CN105833410B - Children autism auxiliary treatment equipment for realizing dolphin-like sound ultrasonic device - Google Patents
Children autism auxiliary treatment equipment for realizing dolphin-like sound ultrasonic device Download PDFInfo
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- CN105833410B CN105833410B CN201610363474.1A CN201610363474A CN105833410B CN 105833410 B CN105833410 B CN 105833410B CN 201610363474 A CN201610363474 A CN 201610363474A CN 105833410 B CN105833410 B CN 105833410B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M21/00—Other devices or methods to cause a change in the state of consciousness; Devices for producing or ending sleep by mechanical, optical, or acoustical means, e.g. for hypnosis
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M21/00—Other devices or methods to cause a change in the state of consciousness; Devices for producing or ending sleep by mechanical, optical, or acoustical means, e.g. for hypnosis
- A61M21/02—Other devices or methods to cause a change in the state of consciousness; Devices for producing or ending sleep by mechanical, optical, or acoustical means, e.g. for hypnosis for inducing sleep or relaxation, e.g. by direct nerve stimulation, hypnosis, analgesia
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M21/00—Other devices or methods to cause a change in the state of consciousness; Devices for producing or ending sleep by mechanical, optical, or acoustical means, e.g. for hypnosis
- A61M2021/0005—Other devices or methods to cause a change in the state of consciousness; Devices for producing or ending sleep by mechanical, optical, or acoustical means, e.g. for hypnosis by the use of a particular sense, or stimulus
- A61M2021/0027—Other devices or methods to cause a change in the state of consciousness; Devices for producing or ending sleep by mechanical, optical, or acoustical means, e.g. for hypnosis by the use of a particular sense, or stimulus by the hearing sense
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Abstract
The invention provides a children autism auxiliary treatment device for realizing a dolphin-like sound ultrasonic device, which comprises: the main controller U1 is used for carrying out FFT transformation on the collected various dolphin audio sample signals so as to obtain dolphin audio characteristic values; the DAC analog-to-digital conversion chip U2 is used for selecting frequency segments of the dolphin audio characteristic values of various samples acquired by the main controller, selecting audio characteristic values of a plurality of different frequency segments to output, and converting the selected audio characteristic values into analog signals; the ultrasonic wave transmitting device comprises a plurality of ultrasonic wave generators with different frequency bands; and converting the audio characteristic value output by the DAC analog-to-digital conversion chip into mechanical power, and selecting the ultrasonic generator corresponding to the frequency band to output according to different frequencies, thereby simulating sound waves similar to dolphin sounds. The invention is used as auxiliary treatment equipment for the infantile autism, is convenient to use and can be used for treating the infantile autism at any time and any place.
Description
Technical Field
The invention relates to auxiliary treatment equipment for infantile autism, in particular to equipment for realizing a dolphin-like sound ultrasonic device, and belongs to the technical field of sound waves.
Background
Autism: also called children autism, which is manifested as speech development disorder, interpersonal interaction disorder, narrow interest and stereotyped behavior patterns of different degrees, and a sick child with about 3/4 has obvious mental development retardation, and is a neuropsychological development disorder syndrome with unknown reasons. Scientific experiments show that the ultrasonic sound emitted by dolphin has certain activation effect on brain of children with autism, has good promotion effect and medical value on central nervous system of children, and can gradually improve communication, cognition and language ability of children with autism and prevent the deepening of stereotypy behavior. Examples of auxiliary training for cerebral palsy children and autism children by using dolphins at home and abroad are increasing. However, the ultrasonic waves emitted by the dolphin can be used for treatment only by contacting the dolphin, the cost of the time and the cost required to be paid is high, the ultrasonic waves can not be borne by every family, and every base with the dolphin is willing to provide treatment services for the sick children.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide auxiliary treatment equipment for children autism, which realizes a dolphin-like sound ultrasonic device, can emit sound waves with various wavelengths of 2000 Hz-100000Hz and the like and has an activation effect on the brain of children with autism. The technical scheme adopted by the invention is as follows:
research of researchers discovers that when dolphin makes a short-distance call on the head of a child, the dolphin can generate strong impact and stimulation on the head of the child, so that neuron cells of the child in a dormant state are activated, good promotion effect and medical value are provided for the central nervous system of the child, communication, cognition and language ability of the child with autism can be gradually improved, and deepening of stereotypy behavior of the child can be prevented.
Therefore, the invention provides a children autism auxiliary treatment device for realizing a dolphin-like sound ultrasonic device, which comprises:
the main controller U1 is used for carrying out FFT transformation on the collected various dolphin audio sample signals so as to obtain dolphin audio characteristic values; sorting the dolphin audio characteristic values of each sample;
the DAC analog-to-digital conversion chip U2 is used for selecting frequency segments of the dolphin audio characteristic values of various samples acquired by the main controller, selecting audio characteristic values of a plurality of different frequency segments to output, and converting the selected audio characteristic values into analog signals;
the ultrasonic wave transmitting device comprises a plurality of ultrasonic wave generators with different frequency bands; and converting the audio characteristic value output by the DAC analog-to-digital conversion chip into mechanical power, and selecting the ultrasonic generator corresponding to the frequency band to output according to different frequencies, thereby simulating sound waves similar to dolphin sounds.
Further, the main controller and the DAC analog-to-digital conversion chip are in data communication through the IIC.
Further, a reference voltage input end of the DAC analog-to-digital conversion chip U2 is connected with a reference voltage VREF; a plurality of analog signal output ends of the DAC analog-to-digital conversion chip U2 are respectively connected with a plurality of ultrasonic generators with different frequency bands.
Further, different output signals of the DAC analog-to-digital conversion chip U2 can be output in superposition.
Further, the ultrasonic wave emitting device comprises 8 ultrasonic wave generators T1-T8 with different frequency bands, and the corresponding frequency bands are as follows: 2000Hz-10000Hz, 10000Hz-20000Hz, 20000Hz-30000Hz, 30000Hz-50000Hz, 50000Hz-70000Hz, 70000Hz-80000Hz, 80000Hz-90000Hz and 90000Hz-100000 Hz.
Further, the DAC a/d conversion chip U2 selects a plurality of frequency bands in the signal (i.e., the dolphin audio feature value) set in the sorted dolphin audio feature values of all samples, and takes a signal from each of the frequency bands as the selected audio feature value, and converts the signals of the plurality of different frequency bands into analog signals.
The invention has the advantages that: in reality, different dolphin sounds in different states are different, namely, frequencies are different, a plurality of dolphin sound signal samples are collected, characteristic values of all dolphin sound samples are obtained through FFT transformation, and when a customer uses the method, different sound frequency segments and signal numbers are selected to be continuously output according to actual use requirements, so that dolphin sounds can be restored to the maximum extent, the method can be better applied to reality, and the good news is brought to people with autism.
Furthermore, parents can let the sick children receive the dolphin sound signal at any time without the dolphin being on the side. The autistic children generally cannot influence the mood due to different sound waves generated by dolphin happiness or angry, because the ultrasonic wave action of the rising tone and the flat tone is the same, although the sound waves can not be acquired by ears of people, the sound waves can generate strong impact and stimulation to the nerves of the autistic children, so that neuron cells of the sick children in a dormant state are activated, the autistic children can be used as auxiliary treatment equipment for the autistic children, parents can use the autistic children therapy device at any time and any place, and the cost of time and cost is greatly reduced.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
FIG. 2 is a diagram of an example of FFT conversion signal of the present invention.
Fig. 3 is an electrical schematic of the present invention.
FIG. 4 is a diagram of an example of converting signals of a DAC chip according to the present invention.
Detailed Description
The invention is further illustrated by the following specific figures and examples.
The auxiliary treatment equipment for the infantile autism of the dolphin-like sound ultrasonic device comprises a main controller, a DAC (digital-to-analog converter) chip and an ultrasonic transmitting device, as shown in figure 1; the main controller and the DAC analog-to-digital conversion chip are in data communication through the IIC interface, and the DAC analog-to-digital conversion chip and the ultrasonic transmitting device are in data communication through the IIC interface.
The main controller U1 is used for carrying out FFT transformation on the collected various dolphin audio sample signals so as to obtain dolphin audio characteristic values;
the DAC analog-to-digital conversion chip U2 is used for selecting frequency segments of the dolphin audio characteristic values of various samples acquired by the main controller, selecting audio characteristic values of a plurality of different frequency segments to output, and converting the selected audio characteristic values into analog signals;
the ultrasonic wave transmitting device comprises a plurality of ultrasonic wave generators with different frequency bands; and converting the audio characteristic value output by the DAC analog-to-digital conversion chip into mechanical power, and selecting the ultrasonic generator corresponding to the frequency band to output according to different frequencies, thereby simulating sound waves similar to dolphin sounds.
The following is a specific example.
The main controller can perform signal processing on the original sound by FFT conversion on 100 acquired dolphin audio sample signals, convert the dolphin audio sample signals into discrete digital signals and acquire characteristic values of the dolphin audio samples; the DAC analog-to-digital conversion chip selects dolphin audio characteristic values of multiple samples obtained after FFT conversion, selects 8 frequency bands (a plurality of frequency bands can be selected, for example, 8 frequency bands are selected) with more concentrated signals in the characteristic values, and respectively takes one signal from the 8 frequency bands, converts the signals of the 8 different frequency bands into analog signals, and pushes the analog signals to ultrasonic generators with different output frequencies in the ultrasonic transmitting device for output through an IIC signal interface;
the main controller can perform signal processing on original sound through FFT conversion on collected 100 dolphin audio sample signals (for example, 100, the number is not determined according to actual requirements), convert the dolphin audio sample signals into discrete digital signals, obtain characteristic values of the dolphin audio samples, and sort the characteristic values of each sample; the user selects the dolphin sound characteristic values of all samples obtained after FFT conversion processing through the DAC analog-to-digital conversion chip according to actual requirements, selects 8 signals with different frequencies, converts the 8 signals (dolphin sound characteristic values) with different frequencies into analog signals, and respectively pushes the analog signals to the ultrasonic transmitting device from 8 analog signal output ends of the DAC analog-to-digital conversion chip for output;
the selection of 8 different frequencies of signals can be customized according to customer functions, for example: according to 8 frequency bands with more concentrated signals in all sample characteristic values, a signal (dolphin sound characteristic value) is respectively selected from each frequency band to serve as a DAC output signal, and the signals of the 8 different frequency bands are converted into analog signals;
the characteristic value of the dolphin audio after FFT of a dolphin audio sample may be 40K,100K,30K,50K,60K,3K … …; the other dolphin audio sample may have FFT transformed dolphin audio feature values of 35K,90K,60K,50K,2K,3K … …;
for example, the 1 st, 2 nd and 3 … … 100 th dolphin audio samples are subjected to FFT conversion and then sequenced, the frequency signals (characteristic values of the dolphin audio samples) between 35KHz and 40KHz are most concentrated, that is, the occurrence frequency of the dolphin audio characteristic values in the frequency band of 35KHz to 40KHz is the highest; taking a signal in a frequency band of 35KHz-40KHz as an audio characteristic value selected; analogizing in the method until the audio characteristic values of 8 different frequency segments are selected;
in this case, the selection of 8 frequency signals is because only one DAC chip is used, and if 2 DAC chips are used, 16 frequency signals can be selected, so how many frequency signals are selected is determined by the number of DAC chips selected by the client.
The main controller adopts SP3306 or SP3308 of the power company of tin-free silicon; the output part of the dolphin audio sample signal after FFT is shown in fig. 2;
the electrical principle of the invention is shown in fig. 3; the main controller U1 is connected with a DAC analog-to-digital conversion chip U2 through an IIC interface; the reference voltage input end of the DAC analog-to-digital conversion chip U2 is connected with a 10v reference voltage VREF; the reference voltage VREF is converted from the supply voltage VCC (12 v) by the reference voltage chip U5;
the DAC analog-to-digital conversion chip U2 adopts an AD5669R chip, is a high-integration direct digital frequency synthesizer (DDS), is internally integrated with a high-speed and high-performance D/A converter and a comparator, has the highest clock reference frequency of 125MHz, and can select and output signals (selected audio characteristic values) of a plurality of different frequency sections from characteristic values output by a main controller U1 and passing through a plurality of collected samples; part of the signal output after being converted by the DAC analog-to-digital conversion chip U2 is shown in fig. 4;
the ultrasonic wave transmitting device comprises 8 ultrasonic wave generators T1-T8 with different frequency bands; the ultrasonic generator is internally provided with an ultrasonic transducer; eight analog signal output ends of the DAC analog-to-digital conversion chip U2 are respectively connected with 8 ultrasonic generators T1-T8 with different frequency bands;
the reference voltage chip U5 converts the 12V voltage into 10V reference voltage, divides the voltage of 8 different frequency bands selected by the DAC analog-to-digital conversion chip U2, converts the voltage into pulse signals with the maximum amplitude of 10V, and pushes the pulse signals to the ultrasonic transducers with different frequency bands, thereby restoring dolphin-like sound;
the ultrasonic wave transmitting device comprises 8 ultrasonic wave generators T1-T8 with different frequency bands, and the corresponding frequency bands are as follows: 2000Hz-10000Hz, 10000Hz-20000Hz, 20000Hz-30000Hz, 30000Hz-50000Hz, 50000Hz-70000Hz, 70000Hz-80000Hz, 80000Hz-90000Hz and 90000Hz-100000 Hz. Because the frequency response range of a single ultrasonic generator is limited, a plurality of ultrasonic generator combinations with different frequency bands are needed; different output signals of the DAC analog-to-digital conversion chip U2 can be superposed, so that the ultrasonic transmitting device can accept signal value input of different frequency bands; for example, in fig. 3, A, B, F three analog signal output terminals of the DAC analog-to-digital conversion chip U2 output signals within different frequency bands of 2000Hz to 10000Hz, 10000Hz to 20000Hz, and 70000Hz to 80000Hz, respectively; the ultrasonic generators T1, T2, and T6 output sound waves of corresponding frequencies.
The dolphin generates sound waves with various wavelengths of 2000 Hz-100000Hz, the unique high-frequency sound is higher than 20kHz and can not be captured by normal human bodies, the sound waves with various wavelengths of 2000 Hz-100000Hz can generate strong impact and stimulation effects on nerve cells of patients in 'dormant' states such as autism, cerebral palsy, Down syndrome and the like, the dolphin can enable children to have a sense of relaxation, has good promotion effect and medical value for central nervous systems of the children, can gradually improve communication, cognition and language abilities of the children with autism, and prevents the deepening of stereotypy behaviors. However, a dolphin has high supporting cost, is a marine organism, makes each patient family have a dolphin reality unrealistic, has curative effect on children with autism by dolphin sound, and if the sound of the dolphin is realized by a technical means, makes each patient family have a scene as if the dolphin accompanies at any moment, becomes an auxiliary treatment device for children with autism, and enriches the technical field of treatment of children with autism.
Some of the terms of art to which the present invention relates are explained below:
FFT: fast Fourier Transform, an efficient algorithm for discrete Fourier Transform, is called Fast Fourier Transform.
DAC: digital to Analog Converter.
IIC: Inter-Integrated Circuit, Integrated Circuit bus.
Claims (4)
1. A children autism auxiliary treatment device for realizing a dolphin-like sound ultrasonic device is characterized by comprising:
the main controller U1 is used for carrying out FFT transformation on the collected various dolphin audio sample signals so as to obtain dolphin audio characteristic values; sorting the dolphin audio characteristic values of each sample;
the DAC analog-to-digital conversion chip U2 is used for selecting frequency segments of the dolphin audio characteristic values of various samples acquired by the main controller, selecting audio characteristic values of a plurality of different frequency segments to output, and converting the selected audio characteristic values into analog signals;
the ultrasonic wave transmitting device comprises a plurality of ultrasonic wave generators with different frequency bands; converting the audio characteristic value output by the DAC analog-to-digital conversion chip into mechanical power, and selecting an ultrasonic generator corresponding to a frequency band to output according to different frequencies, so as to simulate sound waves similar to dolphin sounds;
the DAC 2 selects multiple frequency bands in the dolphin audio characteristic values of all the sorted samples, and takes one signal from the multiple frequency bands as the selected audio characteristic value to convert the signals of the multiple different frequency bands into analog signals;
the reference voltage input end of the DAC analog-to-digital conversion chip U2 is connected with a 10v reference voltage VREF; the reference voltage VREF is converted from the 12v power supply voltage VCC by the reference voltage chip U5;
the ultrasonic wave transmitting device comprises 8 ultrasonic wave generators T1-T8 with different frequency bands; the ultrasonic generator is internally provided with an ultrasonic transducer; eight analog signal output ends of the DAC analog-to-digital conversion chip U2 are respectively connected with 8 ultrasonic generators T1-T8 with different frequency bands;
the reference voltage chip U5 converts the 12V voltage into the 10V reference voltage, divides the voltage of the 8 different frequency bands selected by the DAC analog-to-digital conversion chip U2, converts the voltage into the pulse signal with the maximum amplitude of 10V, and pushes the pulse signal to the ultrasonic transducers with different frequency bands, thereby restoring the dolphin-like sound.
2. The device for assisting the treatment of autism in children implementing dolphin-like sound ultrasound apparatus as claimed in claim 1, wherein:
and the main controller and the DAC analog-to-digital conversion chip carry out data communication through the IIC.
3. The device for assisting the treatment of autism in children implementing dolphin-like sound ultrasound apparatus as claimed in claim 1, wherein:
different output signals of the DAC analog-to-digital conversion chip U2 can be output in a superposition mode.
4. The device for assisting the treatment of autism in children implementing dolphin-like sound ultrasound apparatus as claimed in claim 1, wherein:
the frequency ranges corresponding to the ultrasonic generators T1-T8 with 8 different frequency ranges are as follows: 2000Hz-10000Hz, 10000Hz-20000Hz, 20000Hz-30000Hz, 30000Hz-50000Hz, 50000Hz-70000Hz, 70000Hz-80000Hz, 80000Hz-90000Hz and 90000Hz-100000 Hz.
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