CN103776500B - Measure the sound wave shunt of cold seepage gas seepage gas bubble light soil - Google Patents
Measure the sound wave shunt of cold seepage gas seepage gas bubble light soil Download PDFInfo
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- CN103776500B CN103776500B CN201410045180.5A CN201410045180A CN103776500B CN 103776500 B CN103776500 B CN 103776500B CN 201410045180 A CN201410045180 A CN 201410045180A CN 103776500 B CN103776500 B CN 103776500B
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- sound wave
- seepage gas
- fixing seat
- light soil
- shunt
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- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Abstract
The invention discloses the sound wave shunt measuring cold seepage gas seepage gas bubble light soil, it includes sound wave shunt body, fixing transaudient section of seat, flat soic wave transmitting energy converter, fixing seat and seal nipple, sound wave shunt body includes end and at least two sound wave branch mechanisms, the structure of at least two sound wave branch mechanisms is the most identical, it is respectively mounted one first sound wave baffle-board in each sound wave branch mechanism, and it is provided with one second sound wave baffle-board between at least two sound wave branch mechanisms, the two ends of fixing transaudient section of seat are fixing with the side of the opposite side of described end and fixing seat respectively to be connected, flat soic wave transmitting energy converter is installed on the end face of transaudient section of fixing seat and is positioned at the annular seal space that fixing seat is provided with, seal nipple is fixedly connected on the opposite side of fixing seat.The sound wave that the present invention is formed by sound wave shunt body penetrates into equally distributed bubble in Measurement channel, is used for measuring cold seepage gas seepage gas bubble light soil.
Description
Technical field
The present invention relates to a kind of sound wave shunt measuring cold seepage gas seepage gas bubble light soil, its
Purpose is that the bubble of rising is divided into minute bubbles that are equal in magnitude and that be evenly distributed, for obtaining acoustic impedance distribution
Uniform bubble-sea water two phase flow, it is cold seepage gas seepage flow ultrasonic measurement system in situ
Vitals.
Background technology
Cold seepage gas seepage flow in-situ measurement device be one of the development of nearly more than ten years foreign study new
Technology, the research in this field is just like a raging fire carrying out in the world.The U.S. using deep-sea technology as this country
The high-tech project that marine field is preferentially subsidized.Louisiana State University seashore institute Harry in 1998
Professor Roberts has designed and manufactured cold seepage fluid observation device, successfully observes the Gulf of Mexico
The gas vent system of Bush Hill.Within 1999, organized by Gulf of Mexico gas hydrate study community
15 colleges and universities, 5 private companys of federal agency sum man, are taken the lead by University of Mississippi, have carried out sea
End gas hydrates real-time monitored systematic research, to Gulf of Mexico Mississippi Canyon Block118
Geochemistry, microorganism and seismological observation are carried out.Meanwhile, University of California sage tower Barbara branch school is adopted
With designed cold seepage observation device gas seepage typical to the whole world such as Hydrate Ridge and the Gulf of Mexico
Observed with gas hydrates development area.The hydrate (leakage type hydrate) that leaking substance is grown
Have and bury shallow, easily exploit, be worth high.Annual by the release of this cold seepage gas seepage
The quantity of the methane in ocean water body and air is the most surprising, and preliminary is estimated as more than 10Tg
(1012G) annual.Methane is strong greenhouse gases, and its greenhouse effect is equal in quality carbon dioxide
More than 20 times, such huge number of methane is a material impact factor of Global climate change.Therefore,
The cold seepage online in-situ investigation of gas seepage speed had important economic worth and scientific meaning.Mesh
Before, the research about cold seepage natural gas leakage in-situ flow rate on-line measurement device has been carried out at home
Coming, Guangzhou Geochemistry Inst., Chinese Academy of Sciences the most successfully develops two set cold seepage gas seepages
In-situ flow on-line measurement device, has filled up China's blank in this field, but this two set succeeded in developing
Device is poor due to the restrictions such as material, components and parts, power consumption and device stable work in work, is difficult to sea
End cold spring leaking substance gas discharge carries out the original position online observation of long-term multi-environment.
Summary of the invention
The present invention provides a kind of sound wave shunt measuring cold seepage gas seepage gas bubble light soil, and it leads to
Cross the sound wave that sound wave shunt body forms at least two-way spectrum signature, energy is identical, the sound wave that feature is identical
Penetrate into equally distributed bubble in Measurement channel, form at least two-way transmitted acoustic pulse, for outer transducer
Receive, be used for measuring cold seepage gas seepage gas bubble light soil, simple in construction, measure accurately.
For realizing object above, the present invention adopts the technical scheme that:
Measuring the sound wave shunt of cold seepage gas seepage gas bubble light soil, it includes sound wave shunt
Body, fixing transaudient section of seat, flat soic wave transmitting energy converter, fixing seat and seal nipple, wherein, sound
Ripple shunt body includes end and at least two sound wave direct through-connection equipments integrated with side, described end
Structure, the structure of described at least two sound wave branch mechanisms is the most identical, and each sound wave branch mechanism is respectively mounted one
First sound wave baffle-board, and it is provided with one second sound wave baffle-board between described at least two sound wave branch mechanisms,
The two ends of fixing transaudient section of seat are fixing with the side of the opposite side of described end and fixing seat respectively to be connected, flat
Flat soic wave transmitting energy converter is installed on the end face of transaudient section of fixing seat and is positioned at the annular seal space that fixing seat is provided with
In, seal nipple is fixedly connected on the opposite side of fixing seat, the driving being connected with flat soic wave transmitting energy converter
Cable is connected with outside source by seal nipple.
The effect of fixing seat is to seal flat soic wave transmitting energy converter in the measurements；Fill out in annular seal space
Fill sound-absorbing material, absorb the interference ripple that flat soic wave transmitting energy converter sends；Connect sealing on end cover to connect
Head, the effect of seal nipple is to connect to drive cable, drives flat soic wave transmitting energy converter to send certain frequency
Sound wave；The effect of fixing transaudient section of seat is to conduct the compressional wave entrance sound wave that flat soic wave transmitting energy converter sends
Shunt；The effect of the first sound wave baffle-board and the second sound wave baffle-board is that the sound wave after making branch is along designing
Propagated；Sound wave shunt body is to be divided at least two-way homology sound wave for the sound wave that sound source is produced.
Upwards the cold seepage natural gas bubble of seepage is by special Measurement channel, and the bubble of floating is at passage
Inside it is initially formed minute bubbles that are equal in magnitude and that be evenly distributed, then goes through ultrasonic sensor Measurement channel,
Outside source is electrically connected with so that it launches certain frequency with flat soic wave transmitting energy converter by driving cable
Rate continuous sound wave signal, forms at least two-way spectrum signature by sound wave shunt body, sound that energy is identical
Ripple, the sound wave that feature is identical penetrates into equally distributed bubble in Measurement channel, forms at least two-way transmission
Sound wave, receives for outer transducer, is used for measuring cold seepage gas seepage gas bubble light soil.
Transaudient section of described fixing seat is fixed by the fit structure of lock-screw harmony ripple shunt parallels with end
Connect.
Described fixing seat includes fixing seat stage casing and end cover, and transaudient section of described fixing seat is away from sound wave branch
One end of device body is provided with the connecting plate of one and fixing seat stage casing mating shapes, described end cover be connected
Plate is respectively fixedly connected with in the both sides in fixing seat stage casing, and one end of seal nipple is fixed on end cover, institute
State annular seal space to be arranged between fixing seat stage casing or fixing seat stage casing and end cover, drive cable by close
End-blocking lid the driving cable being through in seal nipple are connected with flat soic wave transmitting energy converter by end cover
Connect.
It is equipped with a Gask-O-Seal between described fixing seat stage casing and end cover and connecting plate.
The other end of described seal nipple is connected by a conic nut and a flexible pipe are fixing, and described flexible pipe is with close
Sealing joint is connected.
It is filled with sound-absorbing material layer in described annular seal space.
Described first sound wave baffle-board and the second sound wave baffle-board are steel plate.
Described first sound wave baffle-board is square.
Described sound wave branch mechanism is two, and described second sound wave baffle-board is taper.
Described second sound wave baffle-board is fixed in the fixed plate of sound wave shunt body exterior by support bar.
The present invention compared with prior art, has the advantage that the present invention passes through sound wave shunt body and formed extremely
Few two-way spectrum signature, the sound wave that energy is identical, the sound wave that feature is identical penetrates in Measurement channel uniform
The bubble of distribution, forms at least two-way transmitted acoustic pulse, receives for outer transducer, is used for measuring cold seepage
Gas seepage gas bubble light soil.Simple in construction, measures accurately.
Accompanying drawing explanation
Fig. 1 is the structure that the present invention measures the sound wave shunt of cold seepage gas seepage gas bubble light soil
Schematic diagram；
Fig. 2 is the sectional view of Fig. 1；
Fig. 3 is the decomposition texture schematic diagram of Fig. 1.
Wherein: 1, sound wave shunt body；2, sound wave baffle-board；3, support bar；4, sound wave baffle-board；
5, lock-screw；6, sound wave shunt parallels；7, fixing transaudient section of seat；8, flat acoustic emission transducing
Device；9, fixing seat stage casing；10, end cover；11, seal nipple；12, conic nut；13, flexible pipe.
Detailed description of the invention
With detailed description of the invention, present disclosure is described in further details below in conjunction with the accompanying drawings.
Embodiment:
Refer to shown in Fig. 1-3, measure cold seepage gas seepage gas bubble light soil sound wave shunt by
Sound source, sound wave shunt body 1, sound wave baffle-board form；Sound source portion is by fixing seat transaudient section 7, flat
Soic wave transmitting energy converter 8, fixing seat stage casing 9, end cover 10, seal nipple 11 form；Fixing seat passes
Sound section 7 is connected with fixing seat stage casing 9 and end cover 10 by screw, on a left side for fixing seat transaudient section 7
End installs flat acoustic wave transducer, and end cover 10 is connected with seal nipple 11, the flexible pipe of nylon structure
13 are fixed on seal nipple 11 by conic nut 12.The end of sound wave shunt body 1 is by locking
Screw 5 harmony ripple shunt parallels 6 is connected for transaudient section 7 with the fixing seat in sound source portion, square steel
The sound wave baffle-board 2 of material is arranged on the one side of each sound wave branch mechanism in sound wave shunt body 1, transversal
Face is that the sound wave baffle-board 4 of the Steel material of triangle is arranged between sound wave branch mechanism by support bar 3.
In the present embodiment, flat soic wave transmitting energy converter 8 left end is installed and is driven cable, drives cable to pass through seal nipple
11 and flexible pipe 13 be connected with outside source.The present embodiment is fixed seat stage casing 9 by sealing ring with solid
Reservation transaudient section 7 and end cover 10 seal.In the present embodiment, metal part is typically with using seawater corrosion resistance
316L stainless steel material.
Above-listed detailed description is illustrating for possible embodiments of the present invention, and this embodiment is also not used to limit
Protection scope of the present invention processed, all equivalences done without departing from the present invention are implemented or change, are intended to be limited solely by this
In the protection domain of case.
Claims (10)
1. measure the sound wave shunt of cold seepage gas seepage gas bubble light soil, it is characterised in that its
Including sound wave shunt body (1), fixing transaudient section of seat (7), flat soic wave transmitting energy converter (8), consolidate
Reservation and seal nipple (11), wherein, sound wave shunt body (1) include end and with described end
Integrated at least two the sound wave branch mechanisms in side, portion, the structure of described at least two sound wave branch mechanisms
The most identical, each sound wave branch mechanism is respectively mounted one first sound wave baffle-board (2), and described at least two
Being provided with one second sound wave baffle-board (4) between individual sound wave branch mechanism, the two ends of fixing seat transaudient section (7) are divided
Do not fix with the side of the opposite side of described end and fixing seat and be connected, flat soic wave transmitting energy converter (8)
It is installed on the end face of fixing seat transaudient section (7) and is positioned at the annular seal space that fixing seat is provided with, seal nipple
(11) opposite side of fixing seat it is fixedly connected on, the driving electricity being connected with flat soic wave transmitting energy converter (8)
Cable is connected with outside source by seal nipple (11).
The sound wave of measurement cold seepage gas seepage gas bubble light soil the most according to claim 1 divides
Road device, it is characterised in that transaudient section of described fixing seat (7) and end are by lock-screw (5) and sound wave
The fit structure of shunt parallels (6) is fixing to be connected.
The sound wave of measurement cold seepage gas seepage gas bubble light soil the most according to claim 1 divides
Road device, it is characterised in that described fixing seat includes fixing seat stage casing (9) and end cover (10), described
Fixing transaudient section of seat (7) away from one end of sound wave shunt body (1) be provided with one with fixing seat stage casing (9)
The connecting plate of mating shapes, described end cover (10) and connecting plate are respectively fixedly connected with in fixing seat
The both sides of section (9), one end of seal nipple (11) is fixed on end cover (10), described annular seal space
It is arranged between fixing seat stage casing (9) or fixing seat stage casing (9) and end cover (10), is through at sealing
Driving cable in joint (11) is connected with flat soic wave transmitting energy converter (8) by end cover (10).
The sound wave of measurement cold seepage gas seepage gas bubble light soil the most according to claim 3 divides
Road device, it is characterised in that between described fixing seat stage casing (9) and end cover (10) and connecting plate all
It is provided with a Gask-O-Seal.
The sound wave of measurement cold seepage gas seepage gas bubble light soil the most according to claim 3 divides
Road device, it is characterised in that the other end of described seal nipple (11) passes through a conic nut (12) and
Flexible pipe (13) is fixing to be connected, and described flexible pipe (13) is connected with seal nipple (11).
6. according to the measurement cold seepage gas seepage gas bubble light soil described in any one of claim 1-5
Sound wave shunt, it is characterised in that be filled with sound-absorbing material layer in described annular seal space.
7. according to the measurement cold seepage gas seepage gas bubble light soil described in any one of claim 1-5
Sound wave shunt, it is characterised in that described first sound wave baffle-board (2) and the second sound wave baffle-board (4)
It is steel plate.
The sound wave of measurement cold seepage gas seepage gas bubble light soil the most according to claim 7 divides
Road device, it is characterised in that described first sound wave baffle-board (2) is square.
The sound wave of measurement cold seepage gas seepage gas bubble light soil the most according to claim 7 divides
Road device, it is characterised in that described sound wave branch mechanism is two, and described second sound wave baffle-board (4) is cone
Shape.
The sound wave of measurement cold seepage gas seepage gas bubble light soil the most according to claim 9
Shunt, it is characterised in that described second sound wave baffle-board (4) is fixed on sound wave by support bar (3)
In the fixed plate that shunt body (1) is outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410045180.5A CN103776500B (en) | 2014-02-07 | 2014-02-07 | Measure the sound wave shunt of cold seepage gas seepage gas bubble light soil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410045180.5A CN103776500B (en) | 2014-02-07 | 2014-02-07 | Measure the sound wave shunt of cold seepage gas seepage gas bubble light soil |
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| Publication Number | Publication Date |
|---|---|
| CN103776500A CN103776500A (en) | 2014-05-07 |
| CN103776500B true CN103776500B (en) | 2016-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410045180.5A Expired - Fee Related CN103776500B (en) | 2014-02-07 | 2014-02-07 | Measure the sound wave shunt of cold seepage gas seepage gas bubble light soil |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104807512B (en) * | 2015-04-14 | 2018-06-01 | 广东工业大学 | A kind of method of ultrasonic measurement sea bottom percolation throughput |
| CN106291564B (en) * | 2015-06-05 | 2019-06-04 | 中国科学院声学研究所 | A kind of cold seepage water body reflection sounding system and method |
| CN110308303A (en) * | 2019-06-13 | 2019-10-08 | 中国科学院南海海洋研究所 | Measure the acoustic receiver sensing device of cold seepage leakage bobble rise velocity |
| CN110320384A (en) * | 2019-06-13 | 2019-10-11 | 中国科学院南海海洋研究所 | A kind of Acoustic wave measuring apparatus of sea bottom percolation bobble rise velocity |
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|---|---|---|---|---|
| US5796882A (en) * | 1995-08-02 | 1998-08-18 | Schmid; Steffen | Acousto-optical waveguide device, tunable, with a polarization independent response, and a method for the acousto-optical processing of optical signals |
| CN1930778A (en) * | 2004-03-12 | 2007-03-14 | 株式会社村田制作所 | Surface acoustic wave device |
| CN102012246A (en) * | 2010-09-25 | 2011-04-13 | 中国科学院广州地球化学研究所 | Device for measuring in-situ flow rate change of marine cold seep gas seepage |
| CN102207399A (en) * | 2011-04-02 | 2011-10-05 | 中国科学院广州地球化学研究所 | Motor-driven flap valve drainage and gas-collecting system for seabed coldspring leakage flow measurement |
| CN103454684A (en) * | 2013-09-02 | 2013-12-18 | 杭州电子科技大学 | Deep-sea simulation acoustic experiment table and using method thereof |
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2014
- 2014-02-07 CN CN201410045180.5A patent/CN103776500B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5796882A (en) * | 1995-08-02 | 1998-08-18 | Schmid; Steffen | Acousto-optical waveguide device, tunable, with a polarization independent response, and a method for the acousto-optical processing of optical signals |
| CN1930778A (en) * | 2004-03-12 | 2007-03-14 | 株式会社村田制作所 | Surface acoustic wave device |
| CN102012246A (en) * | 2010-09-25 | 2011-04-13 | 中国科学院广州地球化学研究所 | Device for measuring in-situ flow rate change of marine cold seep gas seepage |
| CN102207399A (en) * | 2011-04-02 | 2011-10-05 | 中国科学院广州地球化学研究所 | Motor-driven flap valve drainage and gas-collecting system for seabed coldspring leakage flow measurement |
| CN103454684A (en) * | 2013-09-02 | 2013-12-18 | 杭州电子科技大学 | Deep-sea simulation acoustic experiment table and using method thereof |
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| CN103776500A (en) | 2014-05-07 |
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