Elevator automatic audio speaker

A broadcaster and automatic technology, applied in the direction of instruments, static memory, digital memory information, etc., can solve the problems of troublesome installation procedures, high cost, lack of self-control ability, etc., and achieve the effect of convenient installation, low cost and simple structure

Inactive Publication Date: 2009-10-07
SUZHOU XINDA ESCALATOR ACCESSORIES
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  • Abstract
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  • Claims
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AI Technical Summary

Problems solved by technology

At present, the broadcasting system in the car elevator usually consists of a player and a speaker. The player is installed in the property control room, and the speaker is installed in the elevator car. The two are connected by an audio cable. The installation procedure is cumbersome and the cost is low. Relatively high. Secondly, the content and time of the broadcast are controlled by humans, lack of self-control ability, and relatively few functions

Method used

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  • Elevator automatic audio speaker

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Embodiment Construction

[0008] Such as figure 1 Shown, elevator automatic announcer of the present invention, its structure comprises: memory, single-chip microcomputer, MP3 decoder, power amplifier, audio frequency output device, time control switch and power supply, wherein: memory is connected single-chip microcomputer, and single-chip microcomputer is serially connected MP3 decoder and After the power amplifier is connected with the audio output device, the time control switch is respectively connected with the single chip microcomputer and the audio output device, and the time control switch power input terminal is connected with the power supply.

[0009] The single-chip microcomputer adopts a digital 8051 series single-chip microcomputer; the memory is a rewritable memory FLASH ROM, which is convenient for audio files to be updated at any time; the extended serial interface RS232 is used to connect with the elevator serial control data input end, which can be used as an elevator automatic stati...

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Abstract

The invention discloses an elevator automatic audio speaker in a car elevator. The structure of the elevator automatic audio speaker comprises a memorizer, a singlechip, an MP3 decoder, a power amplifier, an audio output device, a time control switch and a power supply, wherein the memorizer is connected with the singlechip, and the singlechip is connected with the audio output device after being connected in series with the MP3 decoder and the power amplifier in sequence, the time control switch is respectively connected with the singlechip and the audio output device, the power supply input terminal of the time control switch is connected with the power supply, the singlechip is also connected with a serial interface, and the memorizer is an erasable data memorizer. The elevator automatic audio speaker can automatically control the play time of the audio speaker through the time control switch, update the play content at any time and connect the elevator serial data through a serial port, achieves the self-regulation of the elevator to play, and has simple structure and convenient installation.

Description

technical field [0001] The invention relates to a sound broadcaster, in particular to an elevator automatic sound broadcaster. Background technique [0002] Today, car elevators are widely used in various high-rise buildings in cities, and they have become an indispensable tool for people living and working in high-rise buildings. At present, the broadcasting system in the car elevator usually consists of a player and a speaker. The player is installed in the property control room, and the speaker is installed in the elevator car. The two are connected by an audio cable. The installation procedure is cumbersome and the cost is low. Relatively high, and secondly, the content and time of the broadcast are controlled by humans, lack of self-control ability, and relatively few functions. [0003] For this reason, need to study a kind of structure simple, easy to install, the elevator broadcasting device with strong self-control ability. Contents of the invention [0004] The...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B66B3/00B66B3/02G11C7/16
Inventor 陈金云李革康莉
Owner SUZHOU XINDA ESCALATOR ACCESSORIES
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