CN115175040A - Fetal sound recording and infant pacifying system - Google Patents

Abstract

The invention discloses a fetal sound recording and baby soothing system, comprising: a pickup module, which collects a heart sound signal and converts it into a digital heart sound signal; a processor module, receives the digital heart sound signal, and completes the control of various application functions; a battery pack module , providing power; control module, realizing various functions; clock module, providing clock; storage module, storing signals; communication module, used to communicate with external terminals; The heart sound digital signal output by the group is converted into a heart sound analog signal; the speaker module plays the heart sound analog signal; the vibration module is used for waveform shaping, amplifying and vibrator driving of the heart sound analog signal.

Description

Fetal Sound Recording and Infant Reassurance System

technical field

The invention belongs to the technical field of language processing, and particularly relates to a fetal sound recording and infant comforting system.

Background technique

Crying of infants and young children is a happy annoyance that every parent will encounter. When the baby is very young, the nurses and nurses spend too much energy, resulting in mental exhaustion. In some cases, after feeding the baby and comforting him to sleep, he is clearly asleep, but as soon as he puts it down, he will wake up and start crying immediately, just like there is a sensor in the sleeping place, which immediately triggers the button for the baby to cry.

In addition, for pregnant mothers, it is also a very wonderful thing to be able to record the sound of the baby's fetal heartbeat, and you can always pay attention to the baby's health status. However, at present, the equipment for recording fetal sounds on the market is mainly owned by hospitals, and ordinary users cannot achieve it.

SUMMARY OF THE INVENTION

The technical problem to be solved by the present invention is to aim at the deficiencies of the above-mentioned prior art, and to provide a fetal sound recording and baby soothing system, which can record the fetal sound of the baby in the belly during pregnancy, so that parents can always pay attention to the baby's growing moment, and can be used for Solve the problem of crying after the baby is born, even if he is placed in a crib, he will continue to sleep peacefully and will not cry again.

In order to realize the above-mentioned technical purpose, the technical scheme adopted in the present invention is:

Fetal sound recording and baby comfort system, including pickup module, processor module, storage module, communication module, battery module, control module, clock module, digital-to-analog conversion module, speaker module and vibration module Group;

The pickup module is used to collect fetal or adult heart sound signals and convert them into digital heart sound signals and transmit them to the processor module;

The processor module is used to receive the digital heart sound signal, complete the control of various application functions, and realize the storage and output of the heart sound signal;

The battery pack module is used to provide power to all circuits in the entire system;

The control module is used to realize various functions;

Clock module, used to provide clock for the whole system;

The storage module is used to store the signal;

The communication module is used to communicate with the external terminal to realize the external terminal control of various functions of the system;

The digital-to-analog conversion module is used to convert the heart sound digital signal output by the processor module into a heart sound analog signal;

Speaker module for playing heart sound analog signal;

The vibration module is used for waveform shaping, amplifying and vibrator driving of the heart sound analog signal.

In order to optimize the above technical solutions, the specific measures taken also include:

The above-mentioned pickup module includes a microphone, a pickup cavity, and a vibrating membrane;

The pickup cavity and the vibrating membrane are combined to form a pickup cavity, and the microphone is placed on the other side of the vibrating membrane in the cavity;

When in use, the diaphragm of the pickup module is close to the heart of the fetus or adult, and the diaphragm starts to vibrate with the frequency of the heart beating, so that the air in the pickup cavity resonates, and the microphone collects the fetal or adult heart sound signal in real time and converts it into a digital heart sound. The signal is transmitted to the processor module.

The above-mentioned control module includes control units of a power switch, a volume adjustment switch, a recording switch, and a sound playing switch, and realizes corresponding functions.

The above-mentioned loudspeaker module includes a sound amplifier and a loudspeaker, which are respectively used for amplifying and playing the heart sound signal.

The above-mentioned vibration module includes a signal shaping module, a driver, and a vibrator;

The signal shaping module performs waveform shaping on the heart sound analog signal to generate a square wave with the same frequency as the heart sound signal. The square wave signal is amplified by the driver and then drives the vibrator to work.

The loudspeaker in the above-mentioned loudspeaker module and the vibrator in the vibration module are arranged separately and connected by cables;

When multiple speakers and vibrators are used, the speakers are placed symmetrically, just to the left and right of the baby's head, and the vibrators are placed symmetrically on both sides under the baby's sleeping body.

The present invention has the following beneficial effects:

1. The present invention can record and monitor fetal sound in real time;

2. The present invention is used to solve the problem of baby crying after birth by recording and playing the adult human voice signal;

3. The present invention can be made into a separate device, or can be embedded in other related equipment, which is convenient to use.

Description of drawings

Fig. 1 is the system constitution diagram of the present invention;

Fig. 2 is the composition diagram of pickup module of the present invention;

Fig. 3 is the structure diagram of the speaker module of the present invention;

Fig. 4 is the structure diagram of the vibration module of the present invention;

Fig. 5 is the signal shaping schematic diagram of digital-to-analog conversion of the present invention;

Fig. 6 is the recording process flow of the present invention;

Fig. 7 is the play process of the present invention;

Figure 8 is a schematic view of the speaker and the vibrator of the present invention placed in the quilt.

Detailed ways

The embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

As shown in Figure 1, fetal sound recording and baby comforting system of the present invention include pickup module, processor module, storage module, communication module, battery module, control module, clock module, digital-to-analog conversion module groups, speaker modules and vibration modules;

The pickup module is used to collect fetal or adult heart sound signals and convert them into digital heart sound signals and transmit them to the processor module;

As shown in Figure 2, the pickup module includes a microphone, a pickup cavity, and a vibrating membrane;

The pickup cavity and the vibrating membrane are combined to form a pickup cavity, and the microphone is placed on the other side of the vibrating membrane in the cavity;

When in use, the diaphragm of the pickup module is close to the heart of the fetus or adult, and the diaphragm starts to vibrate with the beating frequency of the heart, so that the air in the pickup cavity resonates. The microphone will collect the fetal or adult heart sound signal in real time and convert it into heart sound. The digital signal is transmitted to the processor module.

The processor module is used to receive the heart sound digital signal transmitted by the pickup module, complete the control of various application functions, and realize the storage and output of the heart sound signal;

The battery pack module, including the battery and the charging circuit, is used to provide power to all the circuits in the whole baby comfort system, and when the battery power is insufficient, the battery can be charged;

The control module is used to realize various functions;

The control module includes control units such as a power switch, a volume adjustment switch, a recording switch, and a sound playback switch, etc., to realize corresponding functions. For example, the volume adjustment switch can adjust the volume and control the vibration intensity. When the storage module stores the heart sounds of multiple people, the volume adjustment switch can also switch between different sounds. In addition, other corresponding function control can be realized by combining the switch or the duration of the key press.

Clock modules, including various crystal oscillators and control circuits, provide clocks for the entire system;

The storage module is used to store the signal;

Communication module, communication module, with wireless or wired communication function, through this module, it can communicate with terminals such as mobile phones, tablets or computers, and external terminals can control various functions of the baby comfort system, which is the same as the control module. the role of;

The digital-to-analog conversion module is used to convert the heart sound digital signal output by the processor module into a heart sound analog signal;

Speaker module for playing heart sound analog signal;

As shown in Figure 3, the speaker module includes a sound amplifier and a speaker, which are respectively used for the amplification and playback of the heart sound signal. In this module, it can be composed of one or more groups of speakers, which can realize the simultaneous playback of the heart sound signal;

The vibration module is used for waveform shaping, amplifying and vibrator driving of the heart sound analog signal.

As shown in Figure 4-5, the vibration module includes a signal shaping module, a driver, and a vibrator;

The signal shaping module performs waveform shaping on the heart sound analog signal to generate a square wave with the same frequency as the heart sound signal. The square wave signal is amplified by the driver and then drives the vibrator to work. In this module, there are multiple vibrators, which can make the vibration effect more obvious;

The speaker in the speaker module and the vibrator in the vibration module are arranged separately and connected by cables;

When multiple speakers and vibrators are used, the speakers are placed symmetrically, just to the left and right of the baby's head, and the vibrators are placed symmetrically on both sides under the baby's sleeping body.

When a baby sleeps in the arms of parents, he feels the warmth of the arms of adults, and a more important factor is to experience the heartbeat and gentle touch of adults, just like being hugged before birth. Based on the recording function and the playback function, the present invention can create a similar environment for the baby to have the same experience, so that even if he is not embraced by an adult, he still continues to sleep peacefully.

1) Recording function: the present invention realizes the fetal or adult human heart sound recording process as shown in Figure 6, by collecting the original heart sound signal and storing it for subsequent playback, wherein the adult human heart sound can adopt the playback function of Figure 7 for infant comforting, .

In actual use, the heart sound signals of more people can be recorded as needed, and they can be marked separately, which is convenient for subsequent playback as required.

2) Play function: It is mainly used for normal use, so that the baby can sleep quietly in a comfortable environment. Refer to Figure 7 for the specific process.

In actual use, whether to vibrate or whether to play can be controlled as needed.

In the design of the present invention, each speaker and vibrator need to be arranged separately and connected by cables, and the whole will be in the shape of the letter "U", and the operating housing includes other modules and devices except the speaker and the vibrator. The speakers are placed symmetrically, just on the left and right sides of the baby's head, and the vibrators are also placed symmetrically on both sides under the baby's sleeping body.

When in use, the system can be arranged according to different scenarios according to different needs. The above system can be placed in blankets, quilts, and pajamas, or it can be individually designed as a "U"-shaped cloth tape, which is laid on a small surface. On the bed, the baby can be placed directly on the "U" belt when sleeping. Figure 8 is a schematic view of placement within a blanket.

The above are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions that belong to the idea of the present invention belong to the protection scope of the present invention. It should be pointed out that for those skilled in the art, some improvements and modifications without departing from the principle of the present invention should be regarded as the protection scope of the present invention.

Claims (6)

1. The system for recording fetal sounds and soothing the infants is characterized by comprising a pickup module, a processor module, a storage module, a communication module, a battery module, a control module, a clock module, a digital-to-analog conversion module, a loudspeaker module and a vibration module;

the pickup module is used for collecting fetal or adult heart sound signals, converting the fetal or adult heart sound signals into heart sound digital signals and transmitting the heart sound digital signals to the processor module;

the processor module is used for receiving the heart sound digital signals, completing the control of various application functions and realizing the storage and the output of the heart sound signals;

the battery pack module is used for providing power for all circuits in the whole system;

the control module is used for realizing various functions;

the clock module is used for providing a clock for the whole system;

the storage module is used for storing the signals;

the communication module is used for communicating with an external terminal to realize external terminal control on various functions of the system;

the digital-to-analog conversion module is used for converting the heart sound digital signals output by the processor module into heart sound analog signals;

the loudspeaker module is used for playing the heart sound analog signal;

and the vibration module is used for carrying out waveform shaping, amplification and vibrator driving on the heart sound analog signal.

2. The fetal sound recording and infant soothing system according to claim 1, wherein the pickup module comprises a microphone, a pickup cavity and a diaphragm;

the pickup cavity and the vibrating membrane are combined to form a pickup cavity, and the microphone is placed on the other side of the vibrating membrane in the cavity;

during the use, the vibrating diaphragm of pickup module is pressed close to foetus or adult's heart next door, and the vibrating diaphragm begins the vibration along with the frequency of heart beating to make pickup intracavity air resonance, the foetus or adult's heart sound signal is gathered in real time to the microphone and is converted into heart sound digital signal and transmit for processor module.

3. The fetal sound recording and infant pacifying system according to claim 1, wherein the control module comprises a power switch, a volume adjusting switch, a recording switch and a control unit for playing a sound switch, so as to realize corresponding functions.

4. The system for fetal sound recording and infant pacifying as claimed in claim 1, wherein the speaker module comprises a sound amplifier and a speaker for amplifying and playing the heart sound signal respectively.

5. The system for fetal sound recording and infant soothing according to claim 1, wherein the vibration module comprises a signal shaping module, a driver, a vibrator;

the signal shaping module is used for carrying out waveform shaping on the heart sound analog signal to generate a square wave with the same frequency as the heart sound signal, and the square wave signal is subjected to signal amplification through a driver and then drives the vibrator to work.

6. The fetal sound recording and infant pacifying system according to claim 1, wherein a loudspeaker in the loudspeaker module and a vibrator in the vibration module are separately arranged and connected through a cable;

when a plurality of speakers and vibrators are used, the speakers are symmetrically arranged and just positioned at the left side and the right side of the head of the baby, and the vibrators are symmetrically arranged at the two sides below the sleeping body of the baby.

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