CN1563931A - Deep sea sampler - Google Patents
Deep sea sampler Download PDFInfo
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- CN1563931A CN1563931A CN 200410008968 CN200410008968A CN1563931A CN 1563931 A CN1563931 A CN 1563931A CN 200410008968 CN200410008968 CN 200410008968 CN 200410008968 A CN200410008968 A CN 200410008968A CN 1563931 A CN1563931 A CN 1563931A
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Abstract
One end of flexible connection funicular line is fixed on opened tailpiece of the piston rod in sampling cylinder of sampler, and another end is fixed on tailpiece of the piston rod in drive cylinder. Certain amount of air balanced to external pressure is closed in chamber of drive cylinder and alternate pressure cylinder. The drive cylinder connected to the alternate pressure cylinder constitutes a drive connecting vessels. Under environment of high and changed pressure, the sampler is capable of collecting seawater at multiple layers in certain depth. Collected seawater can be analyzed directly. Features are: lightening labors intensity, reducing collecting time.
Description
(1) technical field
The present invention relates in the oceanographic survey, the improvement of water sampling technology, specifically be a kind of under hyperbaric environment dynamic deep-sea sampling thief, this device can be under hyperbaric environment along with the variation of pressure, the device that can gather certain depth scope water automatically is provided, and it belongs to the oceanographic instrumentation detection technique field that deep-sea resources is surveyed project.
(2) background technology
In oceanographic survey, often to gather the water sample of certain depth, present hydrophore has two kinds: 1) control hydrophore automatically, for example the CTD hydrophore.This hydrophore needs the deck control system, signal-transmitting cable and under water control system close, the three cooperates could operate as normal, costs an arm and a leg, volume is bigger, inconvenient operation, and go out functional failure of electromechanical etc. easily; 2) artificial hydrophore, this hydrophore put into marine after, by the length of seeing that hawser discharges, after reaching the length of specifying hawser, on hawser, overlap a weight above deck, throw away into marine, trigger the stopping device of hydrophore, the wayward water depth of adopting of this method, because cable length is subjected to the influence of current, can not be well consistent with the depth of water, the use of weight is also inconvenient, needs manually-operated above deck.Any is arranged in addition is exactly that above-mentioned two kinds of hydrophores all can only be gathered the water of a certain depth of water, and the water of a certain depth range of collection that can not be continuous, this has just limited scientific research greatly, for example will measure the total amount of the suspended matter of a certain depth range, just need a plurality of layers of position be set in this depth range, each layer position all will be gathered once, and the water of gathering all will be analyzed once, increased labour intensity, the more important thing is has increased acquisition time, has also just increased cost.
(3) technology contents
The objective of the invention is to adapt under the hyperbaric environment of deep-sea, a kind of device that can gather the water of certain depth scope automatically---deep-sea sampling thief is provided.This device can be quantitatively, stable, provide dynamic deep-sea sampling thief reliably.
Task of the present invention is finished by following technical scheme: develop a kind of deep-sea sampling thief, it comprises, sampling cylinder bottle.Be fixed with at the uncovered tailpiece of the piston rod of piston type sampling cylinder bottle and flexibly connect bands, the other end of this bands is fixed on the piston rod tail end that drives cylinder, is closed with the quantitative air with the ambient pressure balance in the cylinder body cavity that drives cylinder; Also in the cavity of its cylinder, shutoff has the quantitative air with the ambient pressure balance to the piston of air cylinder fully; This driving cylinder is communicated in by conduit and is equipped with air cylinder and drives linker with its common formation.
Described piston type sampling cylinder bottle, its piston rod except opening end is fixed with and flexibly connects the bands, and its piston other end is near the sample inlet port of this cylinder bottle, this entrance point or be on the cylinder base plate of this cylinder bottle, or be on the cylinder cylinder of this cylinder bottle, this entrance point is provided with non-return valve.
The air cylinder fully of described deep-sea sampling thief and driving cylinder, the cylinder volume ratio of the two: V
Be equipped with/ V
Drive=1.01-10000, the volume that promptly drives cylinder is less than the volume of air cylinder fully at least.
Described deep-sea sampling thief flexibly connect bands, its length decide on sampling is sea water advanced, generally should connection bands 10---10
4Mm.
The invention has the advantages that: this deep-sea sampling thief flexibly connects bands owing to the uncovered tailpiece of the piston rod at piston type sampling cylinder bottle is fixed with, the other end of this bands is fixed on the piston rod tail end that drives cylinder, is closed with the quantitative air with the ambient pressure balance in the cylinder body cavity that drives cylinder; Also in the cavity of its cylinder, shutoff has the quantitative air with the ambient pressure balance to the piston of air cylinder fully. This driving cylinder is communicated in by conduit and is equipped with air cylinder and drives linker with its common formation.Be respectively 10ml, 1000ml if drive cylinder with the volume that is equipped with air cylinder.Residing sea water advanced when increasing gradually when this sampling thief, when promptly the residing outside pressure of this sampling thief increased, if the friction force of the piston that is equipped with the piston of air cylinder and drives cylinder and cylinder and load during greater than ambient pressure, then two these pistons were mobile.Pressure when the external world continues to increase, experiment confirm is when the friction factor of two these pistons is identical with friction force, it is just big to be equipped with the pressure that produces on the air cylinder piston, because friction force and load are less than this pressure, then being equipped with the air cylinder piston this moment can be at first move to oneself cylinder inner cavity, air in the cylinder is pressed in the driving cylinder, reaches pressure equilibrium up to two cylinders.Experiment confirm: at this moment, can not move, drive cylinder piston ability setting in motion under the effect of hyperbaric environment at this moment owing to be equipped with the restriction that the air cylinder piston is subjected to the cylinder of oneself.When the air cylinder piston was pressed into all gas in its cylinder cavity in the driving cylinder fully, by The Ideal-Gas Equation PV/T=C as can be known: the pressure that drives cylinder this moment was (1000+10)/10=101 (crust), i.e. 10.1MPa.If the length of driven plunger cylinder cavity is L, i.e. original state.When the pressure liter doubles to 20MPa (pressure that is equivalent to 2000 meters depth of water places), the length that drive the cylinder cavity this moment is L/2, i.e. the displacement of driven plunger is L-L/2=L/2.Thereby the displacement of driven plunger must drive the uncovered piston that flexibly connects bands drive sampling cylinder bottle and move to opening end, and the seawater that is in this degree of depth this moment both can enter the sampling cylinder bottle from the sample inlet port of sampling cylinder bottle; Because this entrance point is provided with non-return valve, the seawater of this degree of depth of being gathered this sampling cylinder bottle of can not escaping out; This moment, sampling can be finished.
(4) accompanying drawing and embodiment
The embodiments of the invention accompanying drawings is as follows:
Fig. 1 is the fundamental diagram of deep-sea sampling thief.
Referring to a kind of deep-sea sampling thief that Fig. 1 makes, it comprises, sampling cylinder bottle 5.Be fixed with at uncovered piston 6 rod ends of piston type sampling cylinder bottle 5 and flexibly connect bands 4, the other end of this bands 4 is fixed on the piston 3 bar tail ends that drive cylinder 1, is closed with and ambient pressure P in the cylinder body cavity 2 that drives cylinder 1
2The quantitative air of balance; Also in the cavity 10 of its cylinder 9, shutoff has the quantitative air with the ambient pressure balance to the piston 11 of air cylinder 9 fully; This driving cylinder 1 is communicated in by conduit 8 and is equipped with air cylinder 9 and drives linker 1-8-9 with its common formation.
Described piston type sampling cylinder bottle 5, its piston 6 bars except opening end are fixed with and flexibly connect the bands 4, its piston 6 other ends are near the sample inlet port 7 of this cylinder bottle 5, this entrance point 7 or be on the cylinder base plate 12 of this cylinder bottle 5, or be on the cylinder cylinder (not drawing among the figure) of this cylinder bottle 5, this entrance point 7 is provided with non-return valve 13.
The volume of the driving cylinder 1 of described deep-sea sampling thief is less than the volume of air cylinder 9 fully at least.As: drive cylinder 1 and be respectively 10ml, 1000ml with the volume that is equipped with air cylinder 9.
Described deep-sea sampling thief flexibly connect bands 4, its length decide on sampling is sea water advanced, generally should connection bands 100---1500mm.
As outside pressure P
2During increase, if the friction force of piston 11,3 and cylinder 1,9 and load during greater than pressure, then two-piston 1,9th, do not move; Pressure P when the external world
2Continue to increase, experiment confirm is at two-piston 11, when 3 friction factor is identical with friction force, it is just big to be equipped with the pressure that produces on the piston 11 of air cylinder 9, because friction force and load are less than this pressure, the piston 11 that then is equipped with air cylinder 9 this moment can at first move to being equipped with air cylinder 9 inner chamber body 12, up to reaching pressure equilibrium.Experiment confirm: at this moment be subjected to the restriction of air cylinder 9 fully owing to be equipped with the piston 11 of air cylinder 9, can not move, the piston 3 of driving cylinder 1 is ability setting in motion under the effect of hyperbaric environment at this moment.When the piston 11 that is equipped with air cylinder 9 is pressed into all gas in its cylinder 9 cavitys 10 in the cavity 2 that drives cylinder 1, as can be known: pressure P in this moment small piston cylinder 1 the cavity 2 by The Ideal-Gas Equation PV/T=C
1Be (1000+10)/10=101 (crust), i.e. 10.1MPa.As the pressure P that drives cylinder 1 cavity 2
1During for 20.1MPa, the length that drives the cavity 2 of cylinder 1 is L, i.e. original state.Pressure P when the external world
2Rise when doubling to 40.2MPa (pressure that is equivalent to 4000 meters depth of water places), the length that drive the cavity 2 of cylinder 1 this moment is L/2, and piston 3 displacements that promptly drive cylinder 1 are L-L/2=L/2.Piston 3 displacements that drive cylinder 1 this moment are bigger, can spur and the stretching bands 4 that flexibly connects, the piston 6 of the opening end of piston type sampling cylinder bottle 5 is pulled, and seawater can enter in this cylinder bottle 5 from the sample inlet port 7 on the cylinder base plate 12 that is in this cylinder bottle 5.Because this entrance point 7 is provided with non-return valve 13, the seawater of this degree of depth of being gathered this sampling cylinder bottle 5 of can not escaping out, sample and can finish this moment.
Those of ordinary skill in the art can understand, and in protection scope of the present invention, makes amendment for the foregoing description, and it all is possible adding and replacing, and it does not all exceed protection scope of the present invention.
Claims (4)
1, a kind of deep-sea sampling thief, it comprises, sampling cylinder bottle, it is characterized in that: be fixed with at the uncovered tailpiece of the piston rod of piston type sampling cylinder bottle and flexibly connect bands, the other end of this bands is fixed on the piston rod tail end that drives cylinder, is closed with the quantitative air with the ambient pressure balance in the cylinder body cavity that drives cylinder; Also in the cavity of its cylinder, shutoff has the quantitative air with the ambient pressure balance to the piston of air cylinder fully; This driving cylinder is communicated in by conduit and is equipped with air cylinder and drives linker with its common formation.
2, according to the described deep-sea of claim 1 sampling thief, it is characterized in that: described piston type sampling cylinder bottle, its piston rod except opening end is fixed with and flexibly connects the bands, its piston other end is near the sample inlet port of this cylinder bottle, this entrance point or be on the cylinder base plate of this cylinder bottle, or be on the cylinder cylinder of this cylinder bottle, this entrance point is provided with non-return valve.
3, according to the described deep-sea of claim 1 sampling thief, it is characterized in that: described air cylinder and driving cylinder, the cylinder volume ratio of the two: V of being equipped with
Be equipped with/ V
Drive=1.01-10000.
4, according to the described deep-sea of claim 1 sampling thief, it is characterized in that: the described bands that flexibly connects, its length sea water advancedly decide on sampling, generally should connection bands at 10--10
4Mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410008968 CN1245616C (en) | 2004-03-22 | 2004-03-22 | Deep sea sampler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410008968 CN1245616C (en) | 2004-03-22 | 2004-03-22 | Deep sea sampler |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1563931A true CN1563931A (en) | 2005-01-12 |
| CN1245616C CN1245616C (en) | 2006-03-15 |
Family
ID=34477750
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410008968 Expired - Fee Related CN1245616C (en) | 2004-03-22 | 2004-03-22 | Deep sea sampler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1245616C (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100386614C (en) * | 2006-04-24 | 2008-05-07 | 浙江大学 | A hand-held deep-sea air-tightness isobaric sampler for hydrothermal fluid |
| CN101038243B (en) * | 2006-12-01 | 2010-05-12 | 中国科学院海洋研究所 | Self-recovery type water sampler control device |
| CN1793820B (en) * | 2005-12-29 | 2010-12-08 | 国家***第一海洋研究所 | Electric water sampling device |
| CN102519438A (en) * | 2011-10-18 | 2012-06-27 | 金华职业技术学院 | Water depth measuring instrument |
| CN103728154A (en) * | 2013-12-18 | 2014-04-16 | 山东省科学院海洋仪器仪表研究所 | Pressure differential still water driven deep sea in-situ water-sample collection device and control method |
| CN103728156A (en) * | 2013-12-06 | 2014-04-16 | 北京工业大学 | Deep sea water collector utilizing sea bed pressure difference |
| CN104949860A (en) * | 2015-07-17 | 2015-09-30 | 中天科技海缆有限公司 | Deep sea mud extraction device |
| CN107966333A (en) * | 2017-12-14 | 2018-04-27 | 中国科学院海洋研究所 | Deep sea in-situ gas gastight sampling system |
| CN108407985A (en) * | 2018-05-02 | 2018-08-17 | 中国水产科学研究院东海水产研究所 | A kind of research ship environmental instrument launches auxiliary device and its working method |
| CN108913549A (en) * | 2018-05-22 | 2018-11-30 | 中国科学院海洋研究所 | A kind of Situation of Microorganism Under Extremity Environment sampler |
| CN110567758A (en) * | 2019-09-06 | 2019-12-13 | 西安理工大学 | Intelligent water sample collecting device |
| CN112414772A (en) * | 2020-10-19 | 2021-02-26 | 浙江海洋大学 | Deep sea automatic rising layering water sampling device |
-
2004
- 2004-03-22 CN CN 200410008968 patent/CN1245616C/en not_active Expired - Fee Related
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1793820B (en) * | 2005-12-29 | 2010-12-08 | 国家***第一海洋研究所 | Electric water sampling device |
| CN100386614C (en) * | 2006-04-24 | 2008-05-07 | 浙江大学 | A hand-held deep-sea air-tightness isobaric sampler for hydrothermal fluid |
| CN101038243B (en) * | 2006-12-01 | 2010-05-12 | 中国科学院海洋研究所 | Self-recovery type water sampler control device |
| CN102519438A (en) * | 2011-10-18 | 2012-06-27 | 金华职业技术学院 | Water depth measuring instrument |
| CN103728156B (en) * | 2013-12-06 | 2015-10-28 | 北京工业大学 | A kind of seawater collector utilizing seabed pressure reduction |
| CN103728156A (en) * | 2013-12-06 | 2014-04-16 | 北京工业大学 | Deep sea water collector utilizing sea bed pressure difference |
| CN103728154A (en) * | 2013-12-18 | 2014-04-16 | 山东省科学院海洋仪器仪表研究所 | Pressure differential still water driven deep sea in-situ water-sample collection device and control method |
| CN103728154B (en) * | 2013-12-18 | 2014-09-03 | 山东省科学院海洋仪器仪表研究所 | Pressure differential still water driven deep sea in-situ water-sample collection device and control method |
| CN104949860A (en) * | 2015-07-17 | 2015-09-30 | 中天科技海缆有限公司 | Deep sea mud extraction device |
| CN104949860B (en) * | 2015-07-17 | 2017-08-11 | 中天科技海缆有限公司 | A kind of deep-sea dredger |
| CN107966333A (en) * | 2017-12-14 | 2018-04-27 | 中国科学院海洋研究所 | Deep sea in-situ gas gastight sampling system |
| CN108407985A (en) * | 2018-05-02 | 2018-08-17 | 中国水产科学研究院东海水产研究所 | A kind of research ship environmental instrument launches auxiliary device and its working method |
| CN108913549A (en) * | 2018-05-22 | 2018-11-30 | 中国科学院海洋研究所 | A kind of Situation of Microorganism Under Extremity Environment sampler |
| CN108913549B (en) * | 2018-05-22 | 2021-07-27 | 中国科学院海洋研究所 | Extreme environment microorganism sampler |
| CN110567758A (en) * | 2019-09-06 | 2019-12-13 | 西安理工大学 | Intelligent water sample collecting device |
| CN112414772A (en) * | 2020-10-19 | 2021-02-26 | 浙江海洋大学 | Deep sea automatic rising layering water sampling device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1245616C (en) | 2006-03-15 |
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