CN204557068U

CN204557068U - A kind of acoustic control voice alarm device

Info

Publication number: CN204557068U
Application number: CN201520195080.0U
Authority: CN
Inventors: 廖卫红
Original assignee: Hunan Mechanical and Electrical Polytechnic
Current assignee: Hunan Mechanical and Electrical Polytechnic
Priority date: 2015-04-02
Filing date: 2015-04-02
Publication date: 2015-08-12
Anticipated expiration: 2025-04-02

Abstract

A kind of acoustic control voice alarm device, it comprises plastic casing, sound control flashing special IC, photoelectricity coupling circuit, speech chronopher circuit, bearing; Described sound control flashing special IC is made up of acoustic control integrated circuit block, I electric capacity, II electric capacity, miniature electret capacitor microphone; Described photoelectricity coupling circuit is made up of light emitting diode, photoresistance; Described speech chronopher circuit is made up of speech sounds chronopher, keyswitch; The utility model structure is simple, simple for production, only needs to clap palm or cry, can quote instant moment or ringing at every hour by remote control time-telling device during use, facilitates and interesting.

Description

A kind of acoustic control voice alarm device

Technical field

The utility model relates to a kind of electronic technology field, particularly a kind of acoustic control voice alarm device.

Background technology

The speech sounds chronopher that market is sold has a lot, but ordinary electronic speech sounds chronopher needs just can quote the time by after people's button, and some occasion uses not too convenient, listens the time as night wakes up, bed patient or blind person, the inconvenient people that walks listen the time etc., some needs to consume many electricity, and price comparison is expensive, and structure is more complicated, sometimes due to battery power consumption, result of use is not good, and some reason due to installation causes circuit board to have the phenomenon of electric leakage, causes impact to safety.

Utility model content

The purpose of this utility model be overcome prior art above-mentioned deficiency and a kind of acoustic control voice alarm device is provided, its structure is simple, easy to use, safe and reliable.

The technical solution of the utility model is: a kind of acoustic control voice alarm device, and it comprises plastic casing, sound control flashing special IC, photoelectricity coupling circuit, speech chronopher circuit, bearing.

Described sound control flashing special IC is made up of acoustic control integrated circuit block, I electric capacity, II electric capacity, miniature electret capacitor microphone.

Described photoelectricity coupling circuit is made up of light emitting diode, photoresistance.

Described speech chronopher circuit is made up of speech sounds chronopher, keyswitch.

Described sound control flashing special IC is positioned at the right of plastic casing inside, miniature electret capacitor microphone is positioned at the rightmost of sound control flashing special IC, the upper end of miniature electret capacitor microphone connects with the right corner of acoustic control integrated circuit block, the lower end of miniature electret capacitor microphone connects with the I angle, lower end of acoustic control integrated circuit block, the I angle, upper end of acoustic control integrated circuit block first connects electric capacity 1 and connects with the II angle, upper end of acoustic control integrated circuit block, second jiao, the lower end of acoustic control integrated circuit block first connects electric capacity 2 and connects with the lower left corner of acoustic control integrated circuit block, the III angle, upper end of acoustic control integrated circuit block connects with IV angle, described photoelectricity coupling circuit is positioned at the left side of plastic casing inside, and the upper left corner of acoustic control integrated circuit block connects with the negative pole of light emitting diode, described speech chronopher circuit is positioned at the Far Left of plastic casing inside, the positive pole of diode connects with the upper end of speech sounds chronopher again, a loop is become with the IV dihedral of the upper end of acoustic control integrated circuit block, the right-hand member of speech sounds chronopher connects a keyswitch, the right of keyswitch connects a photoresistance, the lower end of speech sounds chronopher connects with ground, the I angle, lower end of acoustic control integrated circuit block also connects with ground with the lower end of miniature electret capacitor microphone, form a loop, the right corner of the upper termination acoustic control integrated circuit block of miniature electret capacitor microphone passes through acoustic control integrated circuit block enlarging function to delay feature, after being deferred to certain hour, the LED operation that the upper left corner of acoustic control integrated circuit block connects can be driven again, the lower left corner of the upper termination acoustic control integrated circuit block of electric capacity 2, control the delay of acoustic control integrated circuit block, it is used to the time delay determining integrated package internal wiring, bearing is provided with in the below of plastic casing.

The utility model compared with prior art has following features:

Only need to clap palm or cry when 1, using, instant moment or ringing at every hour can be quoted by remote control time-telling device, to facilitate and interesting;

2, this apparatus structure is simple, easy to use, safe and reliable.

Be further described below in conjunction with the detailed construction of the drawings and specific embodiments to utility model.

Accompanying drawing explanation

Accompanying drawing 1 is structural representation of the present utility model;

Accompanying drawing 2 is circuit diagram of the present utility model.

Embodiment

As shown in drawings: a kind of acoustic control voice alarm device, it comprises plastic casing 1, sound control flashing special IC 2, photoelectricity coupling circuit 3, speech chronopher circuit 4, bearing 5.

Described sound control flashing special IC 2 is made up of acoustic control integrated circuit block A, I electric capacity C1, II electric capacity C2, miniature electret capacitor microphone B.

Described photoelectricity coupling circuit 3 is made up of light emitting diode VD, photoresistance RL.

Described speech chronopher circuit 4 is made up of speech sounds chronopher Y, keyswitch SB.

Described sound control flashing special IC 2 is positioned at the right of plastic casing inside 1, miniature electret capacitor microphone B is positioned at the rightmost of sound control flashing special IC 2, the upper end of miniature electret capacitor microphone B connects with the right corner A2 of acoustic control integrated circuit block, the lower end of miniature electret capacitor microphone B connects with I angle, the lower end A4 of acoustic control integrated circuit block, I angle, the upper end A7 of acoustic control integrated circuit block first meets I electric capacity C1 and connects with II angle, the upper end A8 of acoustic control integrated circuit block, second jiao, the lower end A3 of acoustic control integrated circuit block first meets II electric capacity C2 and connects with the lower left corner A1 of acoustic control integrated circuit block, III angle, the upper end A9 of acoustic control integrated circuit block connects with IV angle A6, described photoelectricity coupling circuit 4 is positioned at the left side of plastic casing inside 1, and the upper left corner A5 of acoustic control integrated circuit block connects with the negative pole of light emitting diode VD, described speech chronopher circuit 4 is positioned at the Far Left of plastic casing inside 1, the positive pole of diode VD connects with the upper end of speech sounds chronopher Y again, a loop is formed with the IV angle A6 of the upper end of acoustic control integrated circuit block, the right-hand member of speech sounds chronopher Y meets a keyswitch SB, the right of keyswitch SB meets a photoresistance RL, the lower end of speech sounds chronopher Y connects with ground, I angle, the lower end A4 of acoustic control integrated circuit block also connects with ground with the lower end of miniature electret capacitor microphone B, form a loop, the right corner A2 of the upper termination acoustic control integrated circuit block of miniature electret capacitor microphone B passes through acoustic control integrated circuit block enlarging function to delay feature, after being deferred to certain hour, the LED operation that the upper left corner A5 of acoustic control integrated circuit block connects can be driven again, the lower left corner A1 of the upper termination acoustic control integrated circuit block of II electric capacity C2, control the delay of acoustic control integrated circuit block, it is used to the time delay determining integrated package internal wiring, bearing 5 is provided with in the below of plastic casing 1.

Principle of work of the present utility model and using method are: by sound control flashing special IC, photoelectricity coupling circuit, the welding of speech chronopher circuit in the circuit board, then plastic casing inside is arranged on, bearing is furnished with in the below of plastic casing, usually voice alarm device is put on table, as Electret condenser microphone B, to receive a frequency higher, after the voice signal (as sound of clapping the hands) that sound is larger, just sound wave is converted into corresponding feeble signal, this signal amplifies through A internal circuit, after delay, the interior light emitting diodes VD of Direct driver photoelectric coupling circuit is luminous, corresponding photo-resistor RL is made to be low-resistance value, be equivalent to the keyswitch SB that gives the correct time pressing speech sounds chronopher, so, speech sounds chronopher gives the correct time circuit by triggering work, the instant moment is quoted to owner.

In circuit, II capacitor C2 is the external delay capacitor of voice-control flash of light integrated circuit A, it determines the time delay of integrated internal wiring, if C2 capacity must be larger, when transmitting messages to make to clap the hands in process, light emitting diode VD all the time luminescence does not put out, and can not glimmer, give the correct time in process whole like this, the keyswitch SB two ends of speech sounds chronopher are just only subject to the triggering of a long pulse, the sound wave that gives the correct time is there will not be to pass to microphone B and allow A export the situation of new pulse, speech sounds chronopher only reports a time just automatically to stop, thus effectively prevent the sound that gives the correct time and touch and more than phenomenon of giving the correct time.

Claims

1. an acoustic control voice alarm device, is characterized in that: it comprises plastic casing, sound control flashing special IC, photoelectricity coupling circuit, speech chronopher circuit, bearing; Described sound control flashing special IC is positioned at the right of plastic casing inside, described photoelectricity coupling circuit is positioned at the left side of plastic casing inside, described speech chronopher circuit is positioned at the Far Left of plastic casing inside, and bearing is positioned at the below of plastic casing, is fixed together by bolt and plastic casing.

2. a kind of acoustic control voice alarm device according to claim 1, is characterized in that: described sound control flashing special IC is made up of acoustic control integrated circuit block, I electric capacity, II electric capacity, miniature electret capacitor microphone; Miniature electret capacitor microphone is positioned at the rightmost of sound control flashing special IC, the upper end of miniature electret capacitor microphone connects with the right corner of acoustic control integrated circuit block, the lower end of miniature electret capacitor microphone connects with the I angle, lower end of acoustic control integrated circuit block, the I angle, upper end of acoustic control integrated circuit block first connects I electric capacity and connects with the II angle, upper end of acoustic control integrated circuit block, second jiao, the lower end of acoustic control integrated circuit block first connects II electric capacity and connects with the lower left corner of acoustic control integrated circuit block, and the III angle, upper end of acoustic control integrated circuit block connects with IV angle; The upper left corner of acoustic control integrated circuit block connects with the negative pole of light emitting diode.

3. a kind of acoustic control voice alarm device according to claim 1 and 2, is characterized in that: described photoelectricity coupling circuit is made up of light emitting diode, photoresistance, described speech chronopher circuit is made up of speech sounds chronopher, keyswitch, the positive pole of diode connects with the upper end of speech sounds chronopher again, a loop is become with the IV dihedral of the upper end of acoustic control integrated circuit block, the right-hand member of speech sounds chronopher connects a keyswitch, the right of keyswitch connects a photoresistance, the lower end of speech sounds chronopher connects with ground, the I angle, lower end of acoustic control integrated circuit block also connects with ground with the lower end of miniature electret capacitor microphone, form a loop, the right corner of the upper termination acoustic control integrated circuit block of miniature electret capacitor microphone passes through acoustic control integrated circuit block enlarging function to delay feature, after being deferred to certain hour, the LED operation that the upper left corner of acoustic control integrated circuit block connects can be driven again, the lower left corner of the upper termination acoustic control integrated circuit block of II electric capacity, control the delay of acoustic control integrated circuit block, it is used to the time delay determining integrated package internal wiring.