Heart sound whisht baby instrument

Abstract

The invention relates to a heart sound apparatus for quieting baby, comprising a heart sound play apparatus and a wireless receiving and warning device with a split-type structure, and the signals are transmitted by wireless radio; wherein, the heart sound apparatus is characterized in that: a sound sensor is connected with the bottom of a sound collecting apparatus; a sound insulation material is enwrapped around the outer surface; the sound sensor is connected in series with an anode of amplifying circuit, a filter circuit and a trigger circuit in turn, and an adjustable resistance is connected in series with the negative feedback end of the amplifying circuit; simultaneously, the heart sound recording and playing apparatus and a timing start switch are connected in parallel with the other end of the trigger circuit; the timing start switch is connected with the wireless emitter; the heart sound recording and playing system comprises a heart sound recording and playing chip; a heart sound recording port is arranged on the heart sound recording and playing chip; the output of the heart sound is successively connected with a power amplifier and a loudspeaker, and the wireless receiving and warning device is connected with the wireless receiver and a buzzer. The invention has the advantages of detecting the crying sound accurately, playing the heart sound from mother for quieting baby, transmitting the wireless signals to alarm, and announcing parents in time when quieting baby is failed.

Description

technical field [0001] The invention relates to a baby soothing device. According to the principle that the mother's heart sound can make the baby quiet, the mother's heart sound is played to soothe the baby by collecting the baby's distress sound. If the baby is still crying after a period of time, an alarm will be sent to the parents. Signal. Background technique [0002] There are two types of products currently used to comfort babies. One is cradles, cradles or rocking chairs, which use manual shaking, combined with soft music or humming songs, to relieve babies from crying. The second is to use fully automatic electronic control methods; the first is Solution Due to the unstable size and speed of the traditional manual cradle, the baby often appears dizzy and spits up milk during the shaking process. Because it needs to be pushed manually, it is not only time-consuming and laborious to use, but also increases a lot of labor burden. And it produces a lot of noise, makin...

AI Technical Summary

Problems solved by technology

[0003] The invention discloses a heart-sound baby-quieting instrument that uses the mother's heart sound to soothe the baby. It not only overcomes the labor-intensive labor-intensive manual shaking and the phenomenon of dizziness and vomiting of the baby due to unstable swing amplitude in the prior art, but also uses a fully automatic electronically controlled swing product. It can only make a single response to crying, cannot recognize the baby's needs, and has the disadvantages of high equipment costs. In the process of using the mother's heart sound to comfort the baby, it can not only effectively comfort the baby, but also identify the baby according to the abnormal crying sound. needs, and inform the family of the baby's needs in time through the alarm sound

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