CN209930211U - Low-frequency harmonic sound wave instrument - Google Patents
Low-frequency harmonic sound wave instrument Download PDFInfo
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- CN209930211U CN209930211U CN201920987446.6U CN201920987446U CN209930211U CN 209930211 U CN209930211 U CN 209930211U CN 201920987446 U CN201920987446 U CN 201920987446U CN 209930211 U CN209930211 U CN 209930211U
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Abstract
The utility model discloses a low-frequency harmonic sound wave instrument, which comprises a microprocessor for generating an ultra-low frequency signal and an alpha wave signal, and a white noise generating circuit for generating a low-frequency signal, namely a white noise signal, wherein the rear end of the white noise generating circuit is connected with a low-pass filter circuit to generate a frequency response spectrum of a low-pass filter; the microprocessor and the low-pass filter circuit are connected into a circuit, the synthesis circuit is used for superposing the ultra-low frequency signal, the alpha wave signal and the white noise signal together and generating a low-frequency harmonic electric signal frequency spectrum through the power amplification circuit, and the power amplification circuit is connected with the low-frequency sound wave generator. The utility model discloses job stabilization nature is good, convenient to use.
Description
Technical Field
The utility model relates to a sound wave appearance.
Background
The existing acoustic wave instrument has narrow application range, small application range and unstable performance due to the working principle and structure. It is very common to use sound waves for health care, treatment, etc., but there are drawbacks in terms of working stability, effect, etc.
Disclosure of Invention
An object of the utility model is to provide a job stabilization nature is good, convenient to use's low frequency harmony sound wave appearance.
The technical solution of the utility model is that:
a low-frequency harmonic sound wave instrument is characterized in that: the system comprises a microprocessor for generating an ultra-low frequency signal and an alpha wave signal, and a white noise generating circuit for generating a low-frequency signal, namely a white noise signal, wherein the rear end of the white noise generating circuit is connected with a low-pass filter circuit to generate a frequency response spectrum of a low-pass filter; the microprocessor and the low-pass filter circuit are connected into a circuit, the synthesis circuit is used for superposing the ultra-low frequency signal, the alpha wave signal and the white noise signal together and generating a low-frequency harmonic electric signal frequency spectrum through the power amplification circuit, the power amplification circuit is connected behind the synthesis circuit, and the low-frequency sound wave generator is connected behind the power amplification circuit.
The white noise generating circuit comprises an operational amplifier, wherein the positive end of the operational amplifier is connected with a resistor R1 and a capacitor C1, and one end of the resistor R1 and one end of the capacitor C1 are respectively grounded; the output end of the operational amplifier is connected with a resistor R2 and a resistor R3 which amplify the noise voltage and send the amplified noise voltage to the output end; resistor R1 produces white gaussian noise at the positive terminal of the op-amp, and capacitor C1 filters chopper amplifier charge spikes.
The utility model discloses the low frequency harmonic sound wave that the instrument sent is the harmonic signal of telecommunication of the ultra-low frequency signal, alpha wave frequency signal and the synthesis of bass frequency signal that are sent by the human body, through power amplification, a low frequency harmonic sound wave that is sent by the sound wave sound production ware again.
When the mind of a person is in a calm state and the mind is concentrated on a certain acupuncture point, the ultra-low frequency sound signal emitted by the acupuncture point can be measured, and the frequency of the ultra-low frequency sound signal is lower than 40 Hz. Alpha wave is alpha wave with frequency of 8-13Hz, which has the advantages of making brain focus, quick response, quick thinking, strong creativity, high immunity and the like, and makes people generate high eruption force, thereby obtaining innovation inspiration, new thinking and new idea. The low-frequency audio signal is a white noise signal with the frequency lower than 500Hz, so that people feel comfortable and harmonious. The utility model discloses the low frequency harmony sound wave that produces is a rhythm fast, and harmonic sound wave is felt to the depth of vibration, body. The utility model discloses job stabilization nature is good, convenient to use.
Drawings
The present invention will be further explained with reference to the drawings and examples.
FIG. 1 is a functional block diagram of an embodiment of the present invention;
FIG. 2 is a schematic diagram of a bass sales (white noise) generation circuit;
FIG. 3 is a spectral diagram of a low pass filter frequency response;
FIG. 4 is a schematic diagram of a three electrical signal synthesizing circuit;
FIG. 5 is a schematic diagram of the spectrum of a low frequency harmonic electrical signal.
In fig. 1, an ultra low frequency signal and an alpha wave frequency signal emitted from a human body are generated by using a digital signal processing technique, a white noise signal of 500Hz or less is generated by using an analog circuit technique, and then, the signals are inputted to an electric signal synthesizing circuit together. The synthesized low-frequency harmonic electric signals are amplified by a power amplifier and are transmitted to a low-frequency sound wave generator to generate low-frequency harmonic sound waves.
In fig. 4, signal input terminals 1, 2, and 3 represent an ultra low frequency signal, an alpha wave frequency signal, and a white noise signal, respectively, and an output terminal is a composite electrical signal of the three signals.
Detailed Description
A low-frequency harmonic sound wave instrument comprises a microprocessor for generating an ultra-low frequency signal and an alpha wave signal, and a white noise generating circuit for generating a low-frequency signal, namely a white noise signal, wherein the rear end of the white noise generating circuit is connected with a low-pass filter circuit for generating a frequency response spectrum of a low-pass filter; the microprocessor and the low-pass filter circuit are connected into a circuit, the synthesis circuit is used for superposing the ultra-low frequency signal, the alpha wave signal and the white noise signal together and generating a low-frequency harmonic electric signal frequency spectrum through the power amplification circuit, and the power amplification circuit is connected with the low-frequency sound wave generator.
The white noise generating circuit comprises an operational amplifier, wherein the positive end of the operational amplifier is connected with a resistor R1 and a capacitor C1, and one end of the resistor R1 and one end of the capacitor C1 are respectively grounded; the output end of the operational amplifier is connected with a resistor R2 and a resistor R3 which amplify the noise voltage and send the amplified noise voltage to the output end; resistor R1 produces white gaussian noise at the positive terminal of the op-amp, and capacitor C1 filters chopper amplifier charge spikes.
Also shown in FIG. 2 are resistors Rs, capacitors C2, C3, Cx. Also shown in FIG. 4 is resistor RFOther resistors, capacitors, operational amplifiers, etc.
The low-frequency sound wave generator can be a commercial product (for example, a low-frequency sound generator in the Chinese patent CN 85100622A), and mainly comprises a magnetic circuit, a vibrating body and a shell. Under the action of alternating harmonic electric signals, the coil cuts magnetic lines of force in a magnetic field to push the vibrating body to radiate low-frequency harmonic sound wave signals outwards.
Claims (2)
1. A low-frequency harmonic sound wave instrument is characterized in that: the system comprises a microprocessor for generating an ultra-low frequency signal and an alpha wave signal, and a white noise generating circuit for generating a low-frequency signal, namely a white noise signal, wherein the rear end of the white noise generating circuit is connected with a low-pass filter circuit to generate a frequency response spectrum of a low-pass filter; the microprocessor and the low-pass filter circuit are connected into a circuit, the synthesis circuit is used for superposing the ultra-low frequency signal, the alpha wave signal and the white noise signal together and generating a low-frequency harmonic electric signal frequency spectrum through the power amplification circuit, and the power amplification circuit is connected with the low-frequency sound wave generator.
2. The low frequency harmonic sonicator of claim 1 wherein: the white noise generating circuit comprises an operational amplifier, wherein the positive end of the operational amplifier is connected with a resistor R1 and a capacitor C1, and one end of the resistor R1 and one end of the capacitor C1 are respectively grounded; the output end of the operational amplifier is connected with a resistor R2 and a resistor R3 which amplify the noise voltage and send the amplified noise voltage to the output end; resistor R1 produces white gaussian noise at the positive terminal of the op-amp, and capacitor C1 filters chopper amplifier charge spikes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920987446.6U CN209930211U (en) | 2019-06-28 | 2019-06-28 | Low-frequency harmonic sound wave instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920987446.6U CN209930211U (en) | 2019-06-28 | 2019-06-28 | Low-frequency harmonic sound wave instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209930211U true CN209930211U (en) | 2020-01-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920987446.6U Active CN209930211U (en) | 2019-06-28 | 2019-06-28 | Low-frequency harmonic sound wave instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209930211U (en) |
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2019
- 2019-06-28 CN CN201920987446.6U patent/CN209930211U/en active Active
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