CN201897835U - Music doorbell - Google Patents

Abstract

The utility model relates to a music doorbell and relates to an electric appliance for life use. The music doorbell is characterized by the inclusion of a music chip, a power supply, a doorbell button, a music signal amplifying module, a loudspeaker, an LED luminescence indicator light, and a casing for fixing the above-mentioned parts, wherein the music output end of a music playing chip is connected to the music signal amplifying module; the music signal amplifying module is connected with the loudspeaker; the playing indication end of the music chip is connected to the LED luminescence indicator light; when music is played, an LED lamp sparkles to shine; a power supply module provides power for the music chip and the loudspeaker; and the playing button of the music playing chip is arranged outside a door as the doorbell button of the music doorbell. The music doorbell provided by the utility model enhances the diversity of doorbell music and effectively alerts people in house through the sparkling of the LED lamp.

Description

A kind of music door-bell

Technical field

The utility model relates to a kind of living electric apparatus, is specifically related to a kind of music door-bell.

Background technology

At present, what use in the family greatly is single-tone ding-dong doorbell, and this doorbell sound is relatively more dull.

And existing doorbell sound is little, and personnel can not judge whether accurately that sometimes the someone presses doorbell within doors.

Summary of the invention

Technical problem to be solved in the utility model provides a kind of tonequality and is better than the single-tone doorbell, and has different musics to select, and effectively reminds personnel's music door-bell within doors.

Music door-bell of the present utility model comprises Music Clip, power supply, bell button, music signal amplification module, loudspeaker, LED luminous indicating lamp and be used for fixing shell with top; The music output terminal of music chip is connected to the music signal amplification module, and the music amplification module is connected with loudspeaker, and the broadcast indication end of Music Clip connects the LED luminous indicating lamp, and when music, LED can glimmer luminous; Power module provides power supply to supply with to Music Clip and loudspeaker; The broadcast button of music chip is arranged on outdoors as the bell button of music door-bell.

Music door-bell of the present utility model, Music Clip have the selected songs function, whenever can change a first melody by a selected songs button, also have two retaining volumes to regulate and LED lamp flicker indication; Increase that the doorbell music is multifarious gives within doors by LED lamp flicker indication that personnel effectively point out simultaneously.

Description of drawings

Fig. 1 is the utility model electrical schematic.

Embodiment

In conjunction with Fig. 1, the VDD that provides the positive and negative polarities of the alkaline battery of power supply to connect the music chip respectively, two pins of VSS.One end of selected songs button, an end of volume button, an end of broadcast button links together, and is connected to the positive pole of power supply, and the other end of these three buttons connects the P2.0 pin of music chip TR6205, P2.2 pin, P2.4 pin respectively.The base stage of triode 8050 is connected to the V0 pin of music chip, and the negative pole by resistance and power supply is connected simultaneously.The emitter-base bandgap grading of triode 8050 also is connected with the negative pole of power supply.The collector of triode 8050 is connected by the positive pole in loudspeaker and source.Diameter is the negative pole that an end of the red highlighted LED light emitting diode of 5mm connects power supply, and the other end is connected with the P2.5 pin of music chip TR6205 by a resistance.In order to allow the more stable work of music chip TR6205, need be between two pins of the VDD and VSS of TR6205 two 0.1uF in parallel, the electric capacity of 100uF.

Music Clip is selected TR6205 for use, and this chip has the selected songs function, in 12 first melodies are arranged, whenever can change a first melody by a selected songs button, also have two retaining volumes to regulate and the flicker of LED lamp is indicated.Power supply adopts alkaline battery, and is like this can service time longer, and avoided the problem of battery leakage.Bell button adopts the button of tape light, when button is pressed, on the button pilot lamp also light simultaneously, can indicate doorbell to the guest and press.Triode 8050 is used for amplifying the music signal of Music Clip output as the music signal amplification module, and enable voice is louder and clearer.It is the red highlighted LED light emitting diode of 5mm that the LED luminous indicating lamp adopts diameter.

Claims (1)

1. music door-bell is characterized in that: comprise Music Clip, power supply, bell button, music signal amplification module, loudspeaker, LED luminous indicating lamp and be used for fixing shell with top; The music output terminal of music chip is connected to the music signal amplification module, and the music amplification module is connected with loudspeaker, and the broadcast indication end of Music Clip connects the LED luminous indicating lamp, and when music, LED can glimmer luminous; Power module provides power supply to supply with to Music Clip and loudspeaker; The broadcast button of music chip is arranged on outdoors as the bell button of music door-bell.

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