CN107830926A - The new sound velocity in seawater meter of fixed range resonance radiation trapping - Google Patents

The new sound velocity in seawater meter of fixed range resonance radiation trapping Download PDF

Info

Publication number
CN107830926A
CN107830926A CN201711206444.0A CN201711206444A CN107830926A CN 107830926 A CN107830926 A CN 107830926A CN 201711206444 A CN201711206444 A CN 201711206444A CN 107830926 A CN107830926 A CN 107830926A
Authority
CN
China
Prior art keywords
seawater
sound velocity
fixed range
new sound
resonance radiation
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
Application number
CN201711206444.0A
Other languages
Chinese (zh)
Inventor
罗昌林
张祺
胡锦浩
张雪
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Star Ocean Science And Technology Co Ltd
Original Assignee
Zhejiang Star Ocean Science And Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Zhejiang Star Ocean Science And Technology Co Ltd filed Critical Zhejiang Star Ocean Science And Technology Co Ltd
Priority to CN201711206444.0A priority Critical patent/CN107830926A/en
Publication of CN107830926A publication Critical patent/CN107830926A/en
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01HMEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H5/00Measuring propagation velocity of ultrasonic, sonic or infrasonic waves, e.g. of pressure waves
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01HMEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H11/00Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties
    • G01H11/06Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties by electric means
    • G01H11/08Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties by electric means using piezoelectric devices

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)

Abstract

The invention discloses a kind of new sound velocity in seawater meter of fixed range resonance radiation trapping, including the first shell body and second housing body.First shell body has bottom plate, and the bottom plate caves inward to form holding tank, and the holding tank is embedded with piezoelectric transducer.The second housing body has the resonator connected with seawater, and the bottom of the resonator is fixedly installed reflex block, and the lower surface of the piezoelectric transducer connects with resonator, and the lower surface of the piezoelectric transducer and the upper surface of reflex block are parallel to each other.The new sound velocity in seawater meter of fixed range resonance radiation trapping disclosed by the invention, produce resonance in resonator and form standing wave, the frequency interval of absworption peak is corresponded to by detecting each standing wave, so as to accurately and timely obtain the velocity of sound of velocimeter place depth.

Description

The new sound velocity in seawater meter of fixed range resonance radiation trapping
Technical field
The invention belongs to marine survey technology field, and in particular to a kind of new seawater sound of fixed range resonance radiation trapping Speed meter.
Background technology
In marine survey technology field, sound velocity in seawater changes as the depth of water changes.Because ocean current condition is different, together There is also difference in different zones for the velocity of sound of one depth of water.
In order to accurately and timely obtain sound velocity data, it usually needs marine exploration ship passes through dispensing sound in predetermined field Fast measuring apparatus.Existing acoustic velocity measutement equipment, generally use phase comparison principle, easily by ocean current influence of fluctuations, accurately Degree deficiency.
The content of the invention
The present invention be directed to prior art situation, for above-mentioned condition, there is provided a kind of fixed range resonance radiation trapping it is new Type sound velocity in seawater meter.
The present invention uses following technical scheme, and the new sound velocity in seawater meter of the fixed range resonance radiation trapping includes first Shell body and second housing body, wherein:
First shell body has bottom plate, and the bottom plate caves inward to form holding tank, and the holding tank is embedded with pressure Electric-type transducer;
The second housing body has the resonator connected with seawater, and the bottom of the resonator is fixedly installed reflection Block, the lower surface of the piezoelectric transducer connect with resonator, the lower surface of the piezoelectric transducer and reflex block it is upper Surface is parallel to each other.
According to above-mentioned technical proposal, the both sides of the resonator are provided with filter bowl, the filter bowl and second housing body simultaneously Side wall is detachably connected.
According to above-mentioned technical proposal, first shell body also has top plate and a side plate, the upper end end of the side plate and Lower end is fixedly connected with side plate and bottom plate respectively.
According to above-mentioned technical proposal, the top plate, bottom plate and side plate inwardly surround the accommodating chamber to form closing.
According to above-mentioned technical proposal, first shell body also has dividing plate, and the dividing plate is built in above-mentioned accommodating chamber.
The new sound velocity in seawater meter of fixed range resonance radiation trapping disclosed by the invention, its advantage is, in resonance Intracavitary produces resonance and forms standing wave, and the frequency interval of absworption peak is corresponded to by detecting each standing wave, so as to accurately and timely obtain The velocity of sound of depth where taking velocimeter.
Brief description of the drawings
Fig. 1 is the three-dimensional structure diagram of the preferred embodiment of the present invention.
Fig. 2 is the local structural graph of the preferred embodiment of the present invention.
Reference includes:The shell bodies of 10- first;11- top plates;12- connection terminals;13- bottom plates;14- holding tanks;15- Piezoelectric transducer;16- side plates;17- dividing plates;20- second housing bodies;21- reflex blocks;22- resonators;23- filter bowls.
Embodiment
The invention discloses a kind of new sound velocity in seawater meter of fixed range resonance radiation trapping, with reference to being preferable to carry out Example, the embodiment of the present invention is further described.
Referring to Fig. 1 of accompanying drawing, Fig. 1 shows the outside knot of the new sound velocity in seawater meter of the fixed range resonance radiation trapping Structure, Fig. 2 show the partial structurtes of the new sound velocity in seawater meter of the fixed range resonance radiation trapping.Preferably, the fixation New sound velocity in seawater meter apart from resonance radiation trapping includes the first shell body 10 and second housing body 20;Wherein, outside described first Housing 10 has bottom plate 13, and the bottom plate 13 caves inward to form holding tank 14, and the holding tank 14 is embedded with piezoelectric type transducing Device 15;Wherein, the second housing body 20 has the resonator 22 connected with seawater, the bottom fixed setting of the resonator 22 There is reflex block 21;Wherein, the lower surface of the piezoelectric transducer 15 connects with resonator 22, the piezoelectric transducer 15 Lower surface and the upper surface of reflex block 21 are parallel to each other so that the vertical range of piezoelectric transducer 15 and reflex block 21 is fixation Value.
Wherein, the both sides of the resonator 22 are provided with filter bowl 23, the side wall of the filter bowl 23 and second housing body 20 simultaneously It is detachably connected, prevents that debris enters resonator 22 in seawater, and then disturb velocity of sound measurement process.
Wherein, first shell body 10 also has top plate 11 and side plate 16, the upper end end and lower end of the side plate 16 End is fixedly connected with side plate 16 and bottom plate 13 respectively so that top plate 11, bottom plate 13 and side plate 16 inwardly surround and form closing Accommodating chamber.
Wherein, first shell body 10 also has dividing plate 17, and the dividing plate 17 is built in above-mentioned accommodating chamber.
Wherein, the upper surface of the top plate 11 is additionally provided with connection terminal 12, so as to external instrument and equipment of plugging into.
For a person skilled in the art, the technical scheme described in foregoing embodiments can still be repaiied Change, or equivalent substitution is carried out to which part technical characteristic, within the spirit and principles of the invention, that is made any repaiies Change, equivalent substitution, improvement etc., should be included in protection scope of the present invention.

Claims (5)

1. the new sound velocity in seawater meter of a kind of fixed range resonance radiation trapping, it is characterised in that including the first shell body and second Shell body, wherein:
First shell body has bottom plate, and the bottom plate caves inward to form holding tank, and the holding tank is embedded with piezoelectric type Transducer;
The second housing body has the resonator connected with seawater, and the bottom of the resonator is fixedly installed reflex block, institute The lower surface for stating piezoelectric transducer connects with resonator, the lower surface of the piezoelectric transducer and the upper surface phase of reflex block It is mutually parallel.
2. the new sound velocity in seawater meter of fixed range resonance radiation trapping according to claim 1, it is characterised in that described humorous Shake chamber both sides and meanwhile be provided with filter bowl, the side wall of the filter bowl and second housing body is detachably connected.
3. the new sound velocity in seawater meter of fixed range resonance radiation trapping according to claim 1, it is characterised in that described One shell body also has top plate and side plate, and the upper end end of the side plate and lower end are fixed with side plate and bottom plate respectively to be connected Connect.
4. the new sound velocity in seawater meter of fixed range resonance radiation trapping according to claim 3, it is characterised in that the top Plate, bottom plate and side plate inwardly surround the accommodating chamber to form closing.
5. the new sound velocity in seawater meter of fixed range resonance radiation trapping according to claim 4, it is characterised in that described One shell body also has dividing plate, and the dividing plate is built in above-mentioned accommodating chamber.
CN201711206444.0A 2017-11-27 2017-11-27 The new sound velocity in seawater meter of fixed range resonance radiation trapping Pending CN107830926A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711206444.0A CN107830926A (en) 2017-11-27 2017-11-27 The new sound velocity in seawater meter of fixed range resonance radiation trapping

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711206444.0A CN107830926A (en) 2017-11-27 2017-11-27 The new sound velocity in seawater meter of fixed range resonance radiation trapping

Publications (1)

Publication Number Publication Date
CN107830926A true CN107830926A (en) 2018-03-23

Family

ID=61645670

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201711206444.0A Pending CN107830926A (en) 2017-11-27 2017-11-27 The new sound velocity in seawater meter of fixed range resonance radiation trapping

Country Status (1)

Country Link
CN (1) CN107830926A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110657880A (en) * 2019-09-19 2020-01-07 天津大学 Novel hydrophone based on resonant air cavity
CN111561990A (en) * 2020-04-30 2020-08-21 中国极地研究中心 Observation device suitable for polar region ice region top layer sound velocity obtains
CN113495261A (en) * 2020-04-01 2021-10-12 哈尔滨学院 FPGA underwater acoustic signal processing device

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2476802Y (en) * 2001-04-20 2002-02-13 杨吉生 Sound velocimeter
WO2002016924A1 (en) * 2000-08-22 2002-02-28 Wenman Richard A Acoustic interferometry method and device
CN2503470Y (en) * 2001-11-19 2002-07-31 国家海洋局海洋技术研究所 Sea water sound velocimeter
CN1851316A (en) * 2006-05-24 2006-10-25 北京中科爱生环境技术有限公司 Acoustic resonant cavity type acoustic conducting pipe
CN101949733A (en) * 2010-08-13 2011-01-19 浙江大学 Piezoelectric patch type detectoscope for deepwater soundwave detection
CN105157810A (en) * 2015-05-12 2015-12-16 南阳理工学院 Fully automatic sound velocity measuring instrument and measurement method
CN207540662U (en) * 2017-11-27 2018-06-26 浙江星天海洋科学技术有限公司 The novel sound velocity in seawater meter of fixed range resonance radiation trapping

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002016924A1 (en) * 2000-08-22 2002-02-28 Wenman Richard A Acoustic interferometry method and device
CN2476802Y (en) * 2001-04-20 2002-02-13 杨吉生 Sound velocimeter
CN2503470Y (en) * 2001-11-19 2002-07-31 国家海洋局海洋技术研究所 Sea water sound velocimeter
CN1851316A (en) * 2006-05-24 2006-10-25 北京中科爱生环境技术有限公司 Acoustic resonant cavity type acoustic conducting pipe
CN101949733A (en) * 2010-08-13 2011-01-19 浙江大学 Piezoelectric patch type detectoscope for deepwater soundwave detection
CN105157810A (en) * 2015-05-12 2015-12-16 南阳理工学院 Fully automatic sound velocity measuring instrument and measurement method
CN207540662U (en) * 2017-11-27 2018-06-26 浙江星天海洋科学技术有限公司 The novel sound velocity in seawater meter of fixed range resonance radiation trapping

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110657880A (en) * 2019-09-19 2020-01-07 天津大学 Novel hydrophone based on resonant air cavity
CN113495261A (en) * 2020-04-01 2021-10-12 哈尔滨学院 FPGA underwater acoustic signal processing device
CN111561990A (en) * 2020-04-30 2020-08-21 中国极地研究中心 Observation device suitable for polar region ice region top layer sound velocity obtains

Similar Documents

Publication Publication Date Title
CN107830926A (en) The new sound velocity in seawater meter of fixed range resonance radiation trapping
CN104198593B (en) A kind of high hydrostatic pressure low-frequency calibration cavity and method of testing
EA016834B1 (en) Method for seismic exploration of subsurface rock formation
RU2569414C2 (en) Noise suppression system with dual transducer for underwater hydrophone streamer
US20100281979A1 (en) Low cost miniature vector sensor
CN108594238A (en) Underwater acoustic transducer electroacoustic performance calibrating installation based on transient signal and calibration method
WO2018121403A1 (en) Ultrasonic concentration detector and liquid characteristic detector
CN102661781A (en) Sensitivity testing apparatus for hydrophone
Hu et al. Simulation of the converted electric field during acoustoelectric logging
CN207540662U (en) The novel sound velocity in seawater meter of fixed range resonance radiation trapping
NO20151423A1 (en) Method of acquiring ghost-free signatures for broadband source calibration
CN204924435U (en) Sound duct is measured in sensitivity of hydrophone low frequency
CN106597546B (en) A method of detection river bed surface layer silt physical property
KR101349562B1 (en) Estimation method of gas content in the bubbly sediment layer with the difference frequency wave
CN206854039U (en) A kind of alliteration journey bimorph ultrasonic transducer
KR101169197B1 (en) Simultaneous echo sounder of water depth and sound velocity using two-sided ultrasonic sensor
RU2573446C1 (en) Method of determining amplitude-frequency and phase-frequency characteristics of field sensitivity of hydroacoustic receiver
RU150171U1 (en) ELECTRONIC-ACOUSTIC DEVICE FOR MEASURING THE LEVEL AND DENSITY OF OIL PRODUCTS
CN101634587B (en) Three-dimensional co-vibrating sandwich-type sonar receiver
RU2563603C1 (en) Sensitivity determination method using hydroacoustic receiver field
RU90554U1 (en) PRIMARY MEASURING TRANSMITTER OF SOUND SPEED SENSOR IN LIQUID
US11953640B2 (en) Pressure coupling chamber for hydrophone calibration
Sæther et al. Sound velocity measurement methods for porous sandstone. Measurements, finite element modelling, and diffraction correction
RU178615U1 (en) OIL PRODUCT LEVEL AND DENSITY MEASUREMENT DEVICE
CN218511790U (en) Liquid level and temperature detection probe, device, cup cover and vacuum cup

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
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20180323