CN112558142A - Buried sound source with 35kHz as central frequency - Google Patents
Buried sound source with 35kHz as central frequency Download PDFInfo
- Publication number
- CN112558142A CN112558142A CN202011271107.1A CN202011271107A CN112558142A CN 112558142 A CN112558142 A CN 112558142A CN 202011271107 A CN202011271107 A CN 202011271107A CN 112558142 A CN112558142 A CN 112558142A
- Authority
- CN
- China
- Prior art keywords
- signal
- board
- 35khz
- amplification
- buried
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
- G01V1/02—Generating seismic energy
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
- G01V1/02—Generating seismic energy
- G01V1/04—Details
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
- G01V1/38—Seismology; Seismic or acoustic prospecting or detecting specially adapted for water-covered areas
- G01V1/3843—Deployment of seismic devices, e.g. of streamers
- G01V1/3852—Deployment of seismic devices, e.g. of streamers to the seabed
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Remote Sensing (AREA)
- Acoustics & Sound (AREA)
- Environmental & Geological Engineering (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Geophysics (AREA)
- Oceanography (AREA)
- Geophysics And Detection Of Objects (AREA)
Abstract
The invention discloses a buried sound source with 35kHz as central frequency, which comprises a sleeve, a control device, a signal conversion device, a power supply device, a pressure sealing device and a starting device, wherein the control device, the signal conversion device, the power supply device, the pressure sealing device and the starting device are arranged in the sleeve; the control device comprises a main control board, the signal conversion device comprises a signal board, a piezoelectric transducer and an amplification board, the main control board generates a pwm signal of 35kHz, the pwm signal enters the amplification board, the amplification board completes amplification of the signal, the amplified signal enters the transducer, and the transducer converts the electric signal into an acoustic signal with the same frequency of 35 kHz. And acoustic waves are emitted from the sea floor, so that the sea surface can receive signals and invert the integral seawater environment information.
Description
Technical Field
The invention relates to the design of an underwater sealed cabin and the technology of an electric control system for 35kHz supply and discharge, in particular to the technology of portable underwater sealing with the pressure resistance of 100 meters.
Background
With the progress of science and technology, people do not research the sea in the seawater part above the sea bottom any more, but move towards the part below the sea bottom. The invention mainly detects the marine environment from the upward surface of the shallow surface sediment layer below the seabed. While current technology is not sufficient to support the requirement of humans to explore the ocean, there is a need for a buried acoustic source that effectively performs underwater exploration.
Compared with the patent 1(201811599143.3), the disposable design of this patent need not to retrieve, and is more convenient.
Compare with patent 2(201720131216.0), this patent is the design of formula of burying, sends out the ripples from under water, and data is more accurate.
Compared with the patent 3(201910664352.X), the waterproof device is of a cylindrical waterproof design, and can effectively prevent equipment from being damaged.
And analyzing the change of the marine environment and simulating the high-frequency part of the seismic waves. A controllable acoustic signal is emitted from the sea bottom, the opening is controlled through a preset switch, the signal is received on the sea surface, the sea water and the sea bottom layering condition are inverted through the signal arrival time, experimental equipment is provided for the inversion of marine environment information, and technical support is provided for marine acoustic investigation.
Disclosure of Invention
In order to achieve the purpose, the invention adopts the technical scheme that: a buried sound source with 35kHz as center frequency comprises a sleeve, a control device, a signal conversion device, a power supply device, a pressure sealing device and a starting device, wherein the control device, the signal conversion device, the power supply device, the pressure sealing device and the starting device are arranged in the sleeve;
the control device comprises a main control board, the signal conversion device comprises a signal board, a piezoelectric transducer and an amplification board, the main control board generates a pwm signal of 35kHz, the pwm signal enters the amplification board, the amplification board completes amplification of the signal, the amplified signal enters the transducer, and the transducer converts the electric signal into an acoustic signal with the same frequency of 35 kHz.
The power supply device comprises a power panel.
The pressure sealing device comprises a shaping rubber ring.
The activation device includes a rotary switch.
Advantageous effects
The invention has the beneficial effects that:
1. and acoustic waves are emitted from the sea floor, so that the sea surface can receive signals and invert the integral seawater environment information.
2. The design can be buried and is controlled by a preset switch. The invention can be buried in the sea bottom, and the environmental change of a certain area of the sea bottom can be observed at fixed points.
3. The disposable design and the low cost of the monomer. Because the density of different water bodies in different water areas is different, the depth of the same device in different water bodies is different, and the working efficiency is influenced.
4. The design is ingenious, and the operation is simple and convenient. The invention skillfully designs the bottom switch, turns on the switch and can be used after being placed on the seabed.
5. The device is buried in a seabed sediment layer, a working mode is started through a preset switch, 35kHz master frequency sound waves are emitted, shallow surface sediment and various seawater temperature and salt layers are penetrated, and signals at the sea surface are used for receiving and analyzing the sea.
6. The sealing performance is good. Can effectively prevent the equipment from water inlet and avoid the equipment from being damaged by water.
Drawings
FIG. 1: the invention relates to a structure diagram of a buried sound source with 35kHz as the center frequency;
FIG. 2: the invention relates to an information flow chart of a buried sound source with 35kHz as a center frequency;
the attached drawings are marked as follows: 1. a piezoelectric transducer; 2. a top cover is arranged; 3. a sleeve; 4. a power panel; 5. a lower top cover; 6. a rotary switch; 7. shaping the rubber ring; 8. a main control board (one main control board is arranged on the back side); 9. an amplification plate; 10. and a signal plate.
Detailed Description
The invention is further described with reference to the accompanying drawings.
Referring to fig. 1 and 2, a buried sound source with 35kHz as the center frequency comprises a piezoelectric transducer 1 (for converting pressure signals and acoustic signals), an upper top cover 2, a sleeve 3, a power supply board 4 (for providing positive and negative 12V voltages for an amplifying board 9), a lower top cover 5, a rotary switch 6, a shaped rubber ring 7 (for pressure sealing and waterproof), a main control board 8 (for generating pwm signals of 35kHz through a timer 1), the amplifying board 9 (for amplifying signals), and a signal board 10.
The specific flow of the invention during working is as follows: the operator firstly needs to select a throwing place, and turns on the bottom rotary switch 6 to throw into the sea. After the rotary switch 6 is turned on, the invention can carry out autonomous operation, and the power supply supplies power to the power panel 4 and the main control panel 8. The power supply board 4 supplies a voltage of plus or minus 12V to the amplification board 9. The master control board 8 generates a pwm signal of 35kHz through the timer1, the pwm signal enters the amplification board 9, and the amplification board 9 completes the amplification of the signal. The amplified signal enters the transducer 1, and the transducer 1 converts the electric signal into an acoustic signal with the same frequency of 35 kHz. The acoustic signals penetrate through the shallow surface sediment layer of the sea bottom and the seawater, reach the sea surface and are received.
Claims (4)
1. A buried sound source with 35kHz as center frequency comprises a sleeve and is characterized in that a control device, a signal conversion device, a power supply device, a pressure sealing device and a starting device are arranged in the sleeve, wherein the starting device is arranged outside the sleeve;
the control device comprises a main control board, the signal conversion device comprises a signal board, a piezoelectric transducer and an amplification board, the main control board generates a pwm signal of 35kHz, the pwm signal enters the amplification board, the amplification board completes amplification of the signal, the amplified signal enters the transducer, and the transducer converts the electric signal into an acoustic signal with the same frequency of 35 kHz.
2. The buried acoustic source having a center frequency of 35kHz as claimed in claim 1, wherein the power supply means includes a power supply board.
3. A buried acoustic source centered at 35kHz as claimed in claim 1 where the pressure sealing means comprises a shaped rubber ring.
4. Buried acoustic source with 35kHz as center frequency according to claim 1, where the activation means comprises a rotary switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011271107.1A CN112558142A (en) | 2020-11-13 | 2020-11-13 | Buried sound source with 35kHz as central frequency |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011271107.1A CN112558142A (en) | 2020-11-13 | 2020-11-13 | Buried sound source with 35kHz as central frequency |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112558142A true CN112558142A (en) | 2021-03-26 |
Family
ID=75042285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011271107.1A Pending CN112558142A (en) | 2020-11-13 | 2020-11-13 | Buried sound source with 35kHz as central frequency |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112558142A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DK349880A (en) * | 1979-08-14 | 1981-02-15 | Blanchut & Bertrand Sa | ELECTROACUSTIC DEVICE FOR UNDERWATER SIGNALS AND IDENTIFICATION OF A SHIP |
| CN102508287A (en) * | 2011-10-17 | 2012-06-20 | 大连海事大学 | Underwater object detection device |
| US20160161327A1 (en) * | 2014-12-04 | 2016-06-09 | Michael G. Starkey | Fiber Optic Communications with Subsea Sensors |
| CN110954907A (en) * | 2019-11-26 | 2020-04-03 | 中国科学院深海科学与工程研究所 | High-precision sediment acoustic detection device applied to deep sea superficial surface |
-
2020
- 2020-11-13 CN CN202011271107.1A patent/CN112558142A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DK349880A (en) * | 1979-08-14 | 1981-02-15 | Blanchut & Bertrand Sa | ELECTROACUSTIC DEVICE FOR UNDERWATER SIGNALS AND IDENTIFICATION OF A SHIP |
| CN102508287A (en) * | 2011-10-17 | 2012-06-20 | 大连海事大学 | Underwater object detection device |
| US20160161327A1 (en) * | 2014-12-04 | 2016-06-09 | Michael G. Starkey | Fiber Optic Communications with Subsea Sensors |
| CN110954907A (en) * | 2019-11-26 | 2020-04-03 | 中国科学院深海科学与工程研究所 | High-precision sediment acoustic detection device applied to deep sea superficial surface |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7755974B2 (en) | Side scan sonar imaging system with enhancement | |
| US7496002B2 (en) | Water submersible electronics assembly and methods of use | |
| CN106291564B (en) | A kind of cold seepage water body reflection sounding system and method | |
| CN102508287B (en) | Underwater object detection device | |
| CN105988117A (en) | Acoustic seabed distance measurement system and method thereof | |
| CN107702698A (en) | A kind of deep-sea is against formula echo sounding system and measuring method | |
| KR100950973B1 (en) | Observation system for seabed by the sonar | |
| CN105988116A (en) | Underwater acoustic range finding, releasing and recovery system and method thereof | |
| KR100950970B1 (en) | Observation system for waterway on the seabed | |
| KR100950979B1 (en) | Observation system having the sonar for measurement about the topography of seabed | |
| CN112558142A (en) | Buried sound source with 35kHz as central frequency | |
| CN106052838A (en) | Underwater sound buoy monitoring system realizing multi-mode triggered signal collection | |
| CN201007741Y (en) | Portable multibeam echo-sounder | |
| KR101313871B1 (en) | Surveying system for seawater road by sound exploration | |
| KR101133171B1 (en) | Wireless echo sounder | |
| CN207317800U (en) | A kind of deep-sea is against formula echo sounding system | |
| CN109921859A (en) | A kind of underwater emission sound source with answering | |
| CN203209369U (en) | Undersea focused type multi-frequency ultrasonic cleaning device | |
| CN103557843A (en) | Compact underwater microtopography measurement apparatus | |
| CN210803705U (en) | Active and passive underwater sound position indicating beacon system | |
| RU78954U1 (en) | HYDROACOUSTIC COMPLEX FOR SHIPBOAT SHIPS | |
| CN206057574U (en) | A kind of underwater positioning device | |
| RU73964U1 (en) | AUTONOMOUS VERTICAL ACOUSTIC-HYDROPHYSICAL MEASURING SYSTEM | |
| CN112317286A (en) | Underwater sound wave radiator based on bionic principle | |
| CN216649976U (en) | Remote signal transmission hydrophone device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20210326 |