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Elevator MP3 voice station reporting instrument based on SD card technique

A technology of station announcer and elevator, applied in the direction of instruments, static memory, audible signal devices, etc., to achieve the effect of convenient updating of data, easy installation and beautiful sound quality

Inactive Publication Date: 2008-01-16
SHANGHAI STEP ELECTRIC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, the sound effect of the traditional voice station announcer can not be compared with the sound quality of MP3

Method used

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  • Elevator MP3 voice station reporting instrument based on SD card technique

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Embodiment Construction

[0009] Below in conjunction with accompanying drawing and specific embodiment the present invention is described in further detail:

[0010] Visible by Fig. 1: the present invention comprises: parallel signal is input to MCU processor; MCU processor is also connected with MP3 decoder, SD card storage, button, dial switch input, CAN bus interface, RS232 interface respectively; MP3 decoder is connected with The digital / analog converter is connected; the digital / analog converter is connected with the audio output through power amplification.

[0011] The present invention can not only realize the function of broadcasting the parking floor and driving direction of the general voice station announcer, but also can play other voice information such as background music and advertisements. Pre-recorded special voice to remind passengers or relieve their nervousness.

[0012] The invention uses a high-quality MP3 decoding chip and a power amplifier, and the sound effect is excellent. ...

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Abstract

The present invention relates to an elevator MP3 voice stop announcer based on the SD card technology. Parallel signals are input to a MCU processor that is respectively connected with a MP3 decoder, a SD storage card, a key-press, a code dial switch input, a CAN bus interface and a RS232 interface; The MP3 decoder is connected with a digital-to-analog converter; the digital-to-analog converter is connected with an audio output through a power amplifier. The invention is of beautiful timbre and digitally adjustable volume; the voice storage capacity can be chosen according to actual needs, with convenient data update; the invention is applied to the serial elevator control system based on the CAN bus, which is small in size and easy to be installed.

Description

technical field [0001] The invention relates to a voice station announcer, in particular to a voice station announcer used in elevators. Background technique [0002] With the rapid development of my country's social economy, a large number of high-rise buildings have emerged, and the role played by elevators in people's lives has become more and more important. At the same time, people have also put forward higher requirements for elevators. In addition to requiring them to have a good sense of comfort, they also require a good audio-visual environment in the elevator. [0003] Most of the current elevator-specific voice station announcers can only broadcast simple floor information and direction information, while hotels, office buildings, hospitals, and high-end residential areas often update the broadcast content of the voice station announcer, such as unit introduction, Product advertisements, background music, etc. In addition, the sound effect of the traditional voi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B66B3/00G11C7/16G08B3/00
Inventor 吕海安孙恩涛栾金凤宋吉波江振洲
Owner SHANGHAI STEP ELECTRIC
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