CN210614255U - Frequency difference beat type infrasonic wave device - Google Patents
Frequency difference beat type infrasonic wave device Download PDFInfo
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- CN210614255U CN210614255U CN201920777987.6U CN201920777987U CN210614255U CN 210614255 U CN210614255 U CN 210614255U CN 201920777987 U CN201920777987 U CN 201920777987U CN 210614255 U CN210614255 U CN 210614255U
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- ultrasonic transmitter
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- frequency difference
- difference beat
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Abstract
The utility model discloses a frequency difference beat type infrasonic wave device, which comprises a supporting frame, a first ultrasonic transmitter and a second ultrasonic transmitter, wherein the lower part of the supporting frame is fixedly connected with a first vibrating sloping plate and a second vibrating sloping plate, the lower part of the first vibrating sloping plate is connected with the first ultrasonic transmitter, the lower part of the second vibrating sloping plate is connected with the second ultrasonic transmitter, the lower ends of the first vibrating sloping plate and the second vibrating sloping plate are provided with a fixed strip connecting sheet, the upper part of the fixed strip connecting sheet is provided with an acoustic frequency sensor, the left end of the supporting frame is connected with an external detector, the upper part of the supporting frame is provided with a guided wave cover plate, the utility model utilizes the frequency difference beat generated by the interval time of the first ultrasonic transmitter and the second ultrasonic transmitter and generates infrasonic wave by the frequency difference, the advantages of frequency difference beat infrasonic wave are continuous emission, single frequency point emission, controllable loudness and strong directionality.
Description
Technical Field
The utility model relates to an infrasonic wave technical field specifically is a frequency difference beat formula infrasonic wave device.
Background
The infrasonic wave is a sound wave with extremely low frequency, any sound wave with the frequency lower than 20Hz can generate the infrasonic wave, and the existing infrasonic wave with high energy can sound by adopting an explosion and airflow sound source; the adopted acoustic generator with the 'rotary whistle' structure adopts the principle of intermittent air release, the generation of infrasonic waves is mainly realized by air explosion, air is filled into an air tank through a pressure pump and then is released instantly, and the low-frequency vibration of surrounding media is excited by utilizing high-speed discharged gas, so that the required infrasonic waves can be formed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a frequency difference beat formula infrasonic wave device to solve the frequency uncontrollable and mix with audible sound wave, it is discontinuous, frequency and sound intensity uncontrollable, unable appointed frequency that uses, inconvenient control loudness.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a frequency difference beat formula infrasonic wave device, includes braced frame, first ultrasonic emitter, second ultrasonic emitter and external detector, braced frame's first vibration swash plate of lower part fixedly connected with and second vibration swash plate, the sub-unit connection of first vibration swash plate has first ultrasonic emitter, the sub-unit connection of second vibration swash plate has second ultrasonic emitter, and the lower extreme of first vibration swash plate and second vibration swash plate is equipped with fixed rectangular connection piece, the upper portion of fixed rectangular connection piece is provided with acoustic frequency sensor, braced frame's left end is connected with external detector, braced frame's upper portion is equipped with the guided wave apron.
Preferably, the first vibrating sloping plate is connected with the first ultrasonic transmitter through a set screw, and the second vibrating sloping plate is connected with the second ultrasonic transmitter through a set screw, so that the stability of the first ultrasonic transmitter and the second ultrasonic transmitter can be improved.
Preferably, the first ultrasonic transmitter and the second ultrasonic transmitter are internally provided with piezoelectric crystals, and different frequencies can be generated through the piezoelectric crystals.
Preferably, a capacitive infrasound sensor and a data transmitter are arranged inside the external detector, the external detector can detect sound waves of an external environment, and the data transmitter has a function of transmitting data signals.
Preferably, the acoustic frequency sensor can be connected with a computer through a circuit, and can perform data processing on the acoustic wave signal, and the data processing can be performed on the acoustic wave signal through the computer.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses utilize the produced frequency beat of first ultrasonic transmitter and second ultrasonic transmitter interval to produce the infrasonic wave through the mode that frequency difference is afraid of, can detect the size of sound wave frequency through acoustic frequency sensor, the advantage that the infrasonic wave was clapped to the frequency difference is continuous emission, can the single frequency point transmission simultaneously, still can control the loudness, and the directionality is strong.
Drawings
Fig. 1 is a schematic view of the structure of the present invention.
Fig. 2 is a schematic view of the top view structure of the present invention.
Fig. 3 is a left side view structure diagram of the present invention.
In the figure: the device comprises a first ultrasonic emitter 1, a second ultrasonic emitter 2, an external detector 3, a support frame 4, a first vibrating inclined plate 5, a fixed strip connecting plate 6, a second vibrating inclined plate 7, a wave guide cover plate 8 and an acoustic frequency sensor 9.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 3, in an embodiment of the present invention, a frequency difference beat type infrasonic wave device includes a supporting frame 4, a first ultrasonic emitter 1, a second ultrasonic emitter 2, and an external detector 3, a first vibrating inclined plate 5 and a second vibrating inclined plate 7 are fixedly connected to a lower portion of the supporting frame 4, the first vibrating inclined plate 5 and the second vibrating inclined plate 7 have a function of supporting and fixing the first ultrasonic emitter 1 and the second ultrasonic emitter 2, the first ultrasonic emitter 1 is connected to a lower portion of the first vibrating inclined plate 5, the first ultrasonic emitter 1 can emit high-frequency sound waves, the second ultrasonic emitter 2 is connected to a lower portion of the second vibrating inclined plate 7, the second ultrasonic emitter 2 can also emit high-frequency sound waves, and a fixed strip-shaped connecting piece 6 is disposed at a lower end of the first vibrating inclined plate 5 and the second vibrating inclined plate 7, the fixed strip connecting sheet 6 can play a role in connection and fixation, the upper part of the fixed strip connecting sheet 6 is provided with an acoustic frequency sensor 9, the acoustic frequency sensor 9 has a role in detecting the frequency of acoustic waves, the left end of the supporting frame 4 is connected with an external detector 3, the external detector 3 can realize a device for mutual conversion of acoustic waves and electric energy, the upper part of the supporting frame 4 is provided with a guided wave cover plate 8, the guided wave cover plate 8 has a role in connecting the top of the supporting frame 4, the first vibrating inclined plate 5 is connected with the first ultrasonic emitter 1 through a set screw, the second vibrating inclined plate 7 is connected with the second ultrasonic emitter 2 through a set screw, the stability of the first ultrasonic emitter 1 and the stability of the second ultrasonic emitter 2 can be improved, piezoelectric crystals are arranged inside the first ultrasonic emitter 1 and the second ultrasonic emitter 2, can produce different frequencies through piezoelectric crystal, the inside of outside detector 3 is equipped with capacitanc infrasound sensor and data transmitter, and outside detector can detect the sound wave of external environment, and data transmitter has the effect of transmission data signal, acoustic frequency sensor 9 can be connected with the computer through the circuit, can carry out data processing through the computer to the sound wave signal.
The utility model discloses utilize first vibration swash plate 5, second vibration swash plate 7 and fixed rectangular connection piece 6 combine together, can improve first ultrasonic transmitter 1 and second ultrasonic transmitter 2's stability, carry out work simultaneously through two sound wave monomers of first ultrasonic transmitter 1 and second ultrasonic transmitter 2, utilize two frequencies of first ultrasonic transmitter 1 and second ultrasonic transmitter 2 to meet the nonlinear frequency difference value of close sound wave, beat the principle through the frequency difference, obtain required low frequency infrasonic wave, can detect the sound wave of external environment through external detector 3, can detect the size of infrasonic wave frequency through acoustic frequency sensor 9, and utilize the computer can carry out data processing to the sound wave signal.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (5)
1. A frequency difference beat type infrasonic wave device, comprising a supporting frame (4), a first ultrasonic emitter (1), a second ultrasonic emitter (2) and an external detector (3), characterized in that: the lower part fixedly connected with first vibration swash plate (5) and second vibration swash plate (7) of braced frame (4), the sub-unit connection of first vibration swash plate (5) has first ultrasonic emitter (1), the sub-unit connection of second vibration swash plate (7) has second ultrasonic emitter (2), and the lower extreme of first vibration swash plate (5) and second vibration swash plate (7) is equipped with fixed rectangular connection piece (6), the upper portion of fixed rectangular connection piece (6) is provided with acoustic frequency sensor (9), the left end of braced frame (4) is connected with external detector (3), the upper portion of braced frame (4) is equipped with guided wave apron (8).
2. A frequency-difference beat-type infrasonic device as claimed in claim 1, wherein: the first vibrating sloping plate (5) is connected with the first ultrasonic transmitter (1) through a set screw, and the second vibrating sloping plate (7) is connected with the second ultrasonic transmitter (2) through a set screw.
3. A frequency-difference beat-type infrasonic device as claimed in claim 1, wherein: piezoelectric crystals are arranged inside the first ultrasonic transmitter (1) and the second ultrasonic transmitter (2).
4. A frequency-difference beat-type infrasonic device as claimed in claim 1, wherein: and a capacitive infrasound sensor and a data transmitter are arranged in the external detector (3).
5. A frequency-difference beat-type infrasonic device as claimed in claim 1, wherein: the acoustic frequency sensor (9) can be connected with a computer through a circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920777987.6U CN210614255U (en) | 2019-05-28 | 2019-05-28 | Frequency difference beat type infrasonic wave device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920777987.6U CN210614255U (en) | 2019-05-28 | 2019-05-28 | Frequency difference beat type infrasonic wave device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210614255U true CN210614255U (en) | 2020-05-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920777987.6U Expired - Fee Related CN210614255U (en) | 2019-05-28 | 2019-05-28 | Frequency difference beat type infrasonic wave device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210614255U (en) |
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2019
- 2019-05-28 CN CN201920777987.6U patent/CN210614255U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200526 Termination date: 20210528 |