CN101176807B - Heart sound whisht baby instrument - Google Patents
Heart sound whisht baby instrument Download PDFInfo
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- CN101176807B CN101176807B CN2007101713627A CN200710171362A CN101176807B CN 101176807 B CN101176807 B CN 101176807B CN 2007101713627 A CN2007101713627 A CN 2007101713627A CN 200710171362 A CN200710171362 A CN 200710171362A CN 101176807 B CN101176807 B CN 101176807B
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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 heartsound 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
The present invention relates to a kind of baby comforting device, can make the quiet principle of baby,, play mother's hear sounds then and pacify the baby,, then send alarm signal to the head of a family if the baby is is still crying and screaming after a period of time by the hardship of collecting the baby sound that makes a noise according to mother's hear sounds.
Background technology
The product that is used to pacify the baby at present has two kinds, and a kind of is cradle, shaking table or rocking chair, adopts and manually shakes, and cooperates soft music or groans song, alleviates the baby and cries and screams, and it two is to use the full-automatic electronic control mode; First kind of scheme is because traditional manual cradle amplitude of oscillation size is unstable, the speed of pendulum is also unstable, therefore giddy often appears in the baby in the process of shaking, the spitting milk phenomenon, owing to need manually push away, using not only wastes time and energy, and has increased many work burdens, and produce bigger noise, make the baby be difficult to enter the deep sleep.Second kind of scheme, though full-automatic cradle can be regulated stable swing according to baby's needs, it is not only to pacify that the baby cries and screams.The more important thing is, when the baby hungers and thirst, needs more changing babies' napkin, the baby also can cry and scream incessantly, sometimes the adult is difficult to judge, even full automatic cradle also can only be made the reflection of waving, can not satisfy baby's needs, use full automatic cradle, rocking chair expense higher simultaneously, increase the weight of the financial burden of family.Therefore develop and a kind ofly can realize Automatic Control, the baby comforting articles for use that can take into account other physiological requirements of baby again become problem demanding prompt solution.
Summary of the invention
The present invention discloses a kind of heart sound whisht baby instrument of pacifying the baby with mother's hear sounds, not only overcome prior art rely on manually shake the effort of taking a lot of work, owing to amplitude of oscillation instability makes the baby phenomenon of dizzy spitting milk occur, use full-automatic electronic control to wave product, can only make single reflection to crying and screaming, can not discern baby's needs, the shortcoming higher with cost of equipment, and adopt mother's hear sounds to pacify in baby's the process, can not only effectively pacify the baby, can discern baby's needs simultaneously according to abnormal sound of crying and screaming, and baby's demand is in time informed the household by chimes of doom.
Modern medicine study proves, the rough substantially layering of the cerebral cortex of conceived the 8th all fetuses, and at this moment the growth of brain cell is very fast; 24 thoughtful 26 when week fetal brain ditch return rapid growth; 28 thoughtful 30 when week fetal brain development finish substantially.And the fetus in female abdomen is not with outside isolated, shows very responsively to the variation and the stimulation of internal and external environment, the unheard extremely low or high frequency sound of being grown up, and fetus can both feel and make a response in female abdomen.According to the observation of modern medicine to foetus, low-frequency sound can suppress fetal movement, and high-frequency sound then can promote fetal movement.Run into melodious soft sound, the rhythm of the heart of fetus is very regular, and running into the noise fetal movement just increases, and fetus is to mother's heartfelt wishes, and blood flow sound not only adapts to but also be familiar with, and the heartfelt wishes sound to mother after birth just has very strong identification ability.Therefore, the baby can very undisturbedly fall asleep in mother's bosom.The present invention provides a kind of baby's of pacifying instrument according to this principle.This device makes his peace and quiet by the hear sounds of playing mother when the baby cries and screams.If the baby still cries and screams incessantly for some reason over time, this device just sends alarm signal by radio signal at one's side father and mother not.
Principle of the present invention comprises three parts: i.e. detection system, reproducer system and warning system.
Detection system comprises directed sound collector, sound transducer, amplifying circuit, filter circuit and circuits for triggering, and wherein filter circuit passes through bandwidth for removing child's sob characteristic frequency distributed area of cardiechema signals.Directed sound collector is used to reduce the interference of external sound source, and directional collecting baby's the sound of crying and screaming conducts acoustical signal to sound transducer then.After sound transducer receives sound, start follow-up amplifying circuit and filter circuit.After further noise and hear sounds being removed by amplifying circuit and filter circuit,, then start reproducer system is play mother for the baby hear sounds if still have signal.
Reproducer system can be positioned over it chest direct recording hear sounds of mother in more quiet environment, or by the external equipment typing.Hear sounds is stored in wherein.The playback of reproducer system is started by detection system.
Warning system comprises delayed touch switch, transmitting set, radio receiver, alarm.When detection system when reproducer system sends enabling signal, simultaneously send enabling signal to delayed touch switch.If signal surpasses the fixed time, switch open starts the transmitting set transmitted radio signal.After radio receiver receives radio signal, start alarm and send warning.
Technical scheme of the present invention is:
Heart sound whisht baby instrument comprises hear sounds broadcast instrument and wireless receiving alarm device, is characterized in:
A) hear sounds is play instrument and wireless receiving alarm device, divides body structure between the two, transmits signal by radio wave;
B) hear sounds broadcast instrument is made up of directed sound collector, sound transducer and hear sounds recording-reproducing system, directed sound collector bottom connects sound transducer, its outer surface is enclosed with deadener, sound transducer is contacted with positive pole, filter circuit and the circuits for triggering of amplifying circuit successively by lead, and the negative feedback end of amplifying circuit is connected with adjustable resistance; The other end of circuits for triggering and hear sounds recording-reproducing system and timing starting switch are connected in parallel simultaneously, and the timing starting switch is connected with transmitting set; The hear sounds recording-reproducing system is the hear sounds recording and playback ic, and the hear sounds recording and playback ic is provided with hear sounds typing port, and the hear sounds outfan is connected with loudspeaker with power amplifier successively;
C) the wireless receiving alarm device is connected with buzzer by radio receiver.Described directed sound collector opening is horn-like, and the scope of its two-port angle β is 0 °-160 °.
That described directed sound collector profile can adopt is tapered, parabolic type, hyperbolic-type.
The bandwidth of passing through of described filter circuit is to remove child's sob characteristic frequency distributed area of cardiechema signals.
Advantage of the present invention and good effect are: hear sounds is play instrument and is placed between infant room, can detect baby's the sound of crying and screaming exactly, plays mother's hear sounds and pacifies the baby, more meets the human physiology principle.The while instrument miniaturization, cost reduces; Can not obtain ideal when pacifying effect when playing mother's hear sounds, can pass through radio signal, send warning, be placed on the wireless receiving alarm device in adult room, can in time not notify and go to watch the reason of crying and screaming before baby father and mother at one's side, all processes automatization not only effectively helps busy father and mother to pacify the baby, and can implement to show loving care for according to baby's needs, effectively avoid unexpected simultaneously and take place.
Description of drawings
Fig. 1 is a principle of the invention block diagram;
Fig. 2 is an integrated circuit structural representation of the present invention;
Fig. 3 is the conical in shape structure chart of the directed sound collector of the present invention;
Fig. 4 is the parabola shaped shape and structure figure of the directed sound collector of the present invention;
Fig. 5 is the hyperbola shape and structure figure of the directed sound collector of the present invention.
1. detection system, 2. hear sounds recording-reproducing system, 3. warning system, 4. directed sound collector, 5. sound transducer, 6. deadener, 7. amplifying circuit, 8. adjustable resistance, 9. circuits for triggering, 10. timing starting switch, 11. hear sounds typing port, 12. power amplifiers, 13. loudspeaker, 14. transmitting set, 15. radio receivers, 16. buzzers, 17. hear sounds is play instrument, 18. wireless receiving alarm devices, 19. filter circuits.
The specific embodiment
Principle of the present invention as shown in Figure 1, directed sound collector 4 filters out the noise of environment, collect baby's the sound of crying and screaming after, convert it to the signal of telecommunication by sound transducer 5.If further still have the signal of telecommunication after the filtration via amplifying circuit 7 and filter circuit 19, promptly start hear sounds recording-reproducing system 2 and timing starting switch 10 simultaneously.Still exist after the recording playback tone signal surpasses the fixed time if start, illustrate that playing hear sounds fails to make baby's peace and quiet, then the timing starting switch is opened, and makes transmitting set 14 send signal.Radio receiver 15 starts buzzer 16 after receiving signal, and sending reports to the police informs not baby father and mother at one's side.
Integrated circuit structure of the present invention as shown in Figure 2, heart sound whisht baby instrument comprises that hear sounds plays instrument 17 and wireless receiving alarm device 18, divides body structure between the two, transmits signal by radio wave; Hear sounds is play instrument 17 and is placed between infant room, and wireless receiving alarm device 18 is placed the adult room.
Hear sounds is play instrument and is made up of directed sound collector 4, sound transducer 5 and hear sounds recording-reproducing system 2, directed sound collector bottom connects sound transducer 5, its outer surface is enclosed with deadener 6, sound transducer is contacted with positive pole, filter circuit 19 and the circuits for triggering 9 of amplifying circuit 7 successively by lead, and the negative feedback end of amplifying circuit is connected with adjustable resistance 8; The other end of circuits for triggering and hear sounds recording-reproducing system 2 and timing starting switch 10 are connected in parallel simultaneously, and the timing starting switch is connected with transmitting set 14; The hear sounds recording-reproducing system has the hear sounds recording and playback ic, and the input of hear sounds recording and playback ic is provided with hear sounds typing port one 1, and outfan successively
Be connected with loudspeaker 13 with power amplifier 12;
Sound transducer is selected electret MIC, when electret MIC receives the external voice signal, converts it to the signal of telecommunication, is amplified by amplifying circuit TL082 subsequently and delivers in the filter circuit.The bandwidth of passing through of filter circuit is to remove child's sob characteristic frequency distributed area of cardiechema signals.If still have signal after the wave circuit filtering after filtration, but then signal is sent to by in the 556 repeated trigger circuit that constitute.Output signal triggers recording playback sound chip and simultaneously by the 556 pulse-triggered timing starting switches that constitute.Chip broadcast this moment hear sounds is pacified the baby who cries and screams.If surpass the fixed time, trigger electrical equipment and still send signal to the timing starting switch.Illustrate that playing hear sounds fails to reach ideal effect.For avoiding accidents.Keeping recording playback sound chip to continue to play under the circumstances of hear sounds, the timing starting switch is opened, and starts transmitting set TWH630 and sends signal.When wireless points receptor TWH631 received signal, starting immediately with KD-156 was that the alarm of core sends alarm signal.Directed sound collector opening is horn-like, and the scope of its two-port angle β is 0 °-160 °; Directed sound collector profile can adopt tapered as shown in Figure 3, parabolic type as shown in Figure 4, hyperbolic-type as shown in Figure 5.
Claims (4)
1. heart sound whisht baby instrument comprises hear sounds broadcast instrument and wireless receiving alarm device, it is characterized in that:
A) hear sounds is play instrument and wireless receiving alarm device, divides body structure between the two, transmits signal by radio wave;
B) hear sounds broadcast instrument is made up of directed sound collector, sound transducer and hear sounds recording-reproducing system, directed sound collector bottom connects sound transducer, its outer surface is enclosed with deadener, sound transducer is contacted with positive pole, filter circuit and the circuits for triggering of amplifying circuit successively by lead, and the negative feedback end of amplifying circuit is connected with adjustable resistance; The other end of circuits for triggering and hear sounds recording-reproducing system and timing starting switch are connected in parallel simultaneously, and the timing starting switch is connected with transmitting set; The hear sounds recording-reproducing system has the hear sounds recording and playback ic, and the hear sounds recording and playback ic is provided with hear sounds typing port, and the hear sounds outfan is connected with loudspeaker with power amplifier successively;
C) the wireless receiving alarm device is connected with buzzer by radio receiver.
2. heart sound whisht baby instrument according to claim 1 is characterized in that: directed sound collector opening is horn-like, and the scope of its two-port angle β is 0 °-160 °.
3. heart sound whisht baby instrument according to claim 1 is characterized in that: directed sound collector profile can adopt tapered, parabolic type, hyperbolic-type.
4. heart sound whisht baby instrument according to claim 1 is characterized in that: the bandwidth of passing through of filter circuit is to remove child's sob characteristic frequency distributed area of cardiechema signals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101713627A CN101176807B (en) | 2007-11-29 | 2007-11-29 | Heart sound whisht baby instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101713627A CN101176807B (en) | 2007-11-29 | 2007-11-29 | Heart sound whisht baby instrument |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101176807A CN101176807A (en) | 2008-05-14 |
| CN101176807B true CN101176807B (en) | 2010-10-27 |
Family
ID=39403325
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007101713627A Expired - Fee Related CN101176807B (en) | 2007-11-29 | 2007-11-29 | Heart sound whisht baby instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101176807B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104689447A (en) * | 2015-03-18 | 2015-06-10 | 吴爱好 | Application method and system of comforter watch |
| CN107693918A (en) * | 2017-08-31 | 2018-02-16 | 惠州市洛玛科技有限公司 | Baby sleep householder method and baby sleep auxiliary equipment |
| CN112617887B (en) * | 2020-12-31 | 2022-02-22 | 山西美好蕴育生物科技有限责任公司 | Mother heart sound intelligent acquisition and processing method for placating baby |
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2007
- 2007-11-29 CN CN2007101713627A patent/CN101176807B/en not_active Expired - Fee Related
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| Publication number | Publication date |
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| CN101176807A (en) | 2008-05-14 |
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| PB01 | Publication | ||
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Granted publication date: 20101027 Termination date: 20131129 |