CN101413845A - Benthic organism sampling and seal assembly - Google Patents
Benthic organism sampling and seal assembly Download PDFInfo
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- CN101413845A CN101413845A CNA2008101620222A CN200810162022A CN101413845A CN 101413845 A CN101413845 A CN 101413845A CN A2008101620222 A CNA2008101620222 A CN A2008101620222A CN 200810162022 A CN200810162022 A CN 200810162022A CN 101413845 A CN101413845 A CN 101413845A
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- seal assembly
- valve
- sampling
- isobaric
- samples
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Abstract
The invention relates to a device for sampling benthos samples, and aims at providing an isobaric sampling and seal assembly of the benthos samples used in a trawl sampling system. The isobaric sampling and the seal assembly comprise a bucket, the bucket is arranged inside a hollow isobaric cylinder, and two ends of the isobaric cylinder are respectively provided with mutually independent seal assemblies; the sealing assemblies comprise valves and valve control mechanisms. The device has the advantages that: (1) an isobaric drive mechanism of tail bucket samples and a control method thereof can greatly improve the survival rate of the acquired benthos samples; (2) the pressure retaining is carried out on the benthos samples, which improves the survival rate of the benthos samples, reduces the volumes and the weights of the isobaric cylinder and a sealing system, and reduces a large amount of energy consumption at the lowest cost; (3) the opening and the closing of the isobaric cylinder are controlled by the seal assemblies and the valves which are connected with the two ends of the isobaric cylinder, which improves the opening and closing accuracy of the isobaric cylinder; and (4) an energy accumulator causes the sampled benthos samples to be closer to the initial pressure of sampling points.
Description
Technical field
The present invention relates to the benthic organism sampling device, in particular, relate to be used for pressurize sampling of trawlnet sampling system benthic organism and seal assembly.
Background technology
For benthic research, the most frequently used method is still fetched sample from the seabed and is studied to scientific surveying ship.Traditional sampling method mainly is to utilize seabed trawlnet, sampler or grab bucket to obtain biological specimen, in recent years along with the appearance of bathyscaph, generally adopt incorporate detection, filtration and sampling technique abroad, utilize the mechanical arm of deep ocean work to catch biological sample by the hydrocone type sampler.But this incorporate detection, filtration and sampling technique can only configure before sampling under the degree of depth of sampling, the default sampling condition carries out work.
Simultaneously, traditional biological sampling system based on submarine is difficult in benthic organism sampling aspect and obtains applications well, its main cause has: (1) can not remain on the original position pressure in seabed, and is almost all dead when the biological sample that causes being gathered goes out the water surface; (2) can only on the towed body working direction, capture the network interface scope, be difficult to obtain complete benthic organism group with interior biological sample; (3) accurately do not control the sampling depth of water, be difficult to distinguish the actual depth of water of all kinds of different benthic organism lives.And the integrality of the survival rate of the benthic organism that captures, group and level are most important concerning the benthic organism sampling system.
Summary of the invention
The objective of the invention is to overcome deficiency of the prior art, a kind of pressurize sampling of trawlnet sampling system benthic organism and seal assembly of being used for is provided.
In order to overcome the above problems, the present invention is achieved through the following technical solutions.
The invention provides a kind of benthic organism sampling and seal assembly, comprise the net bottom pipe, the net bottom pipe is positioned at the pressurize tube of a hollow, and separate seal assembly is set up at pressurize tube two ends separately; Described seal assembly comprises valve and valve control mechanism.
As a kind of improvement, connect an accumulator on the described pressurize pipe.
As a kind of improvement, described valve comprises valve body, ball face sealing spare, spherical valve core and valve rod.
As a kind of improvement, described valve control mechanism comprises hydraulic pressure corner oil cylinder and fluid pressure line, and hydraulic pressure corner oil cylinder links to each other with valve rod.
As a kind of improvement, between the ball face sealing spare of described valve and the spherical valve core, be provided with floating valve seat.
As a kind of improvement, described pressurize tube two ends link to each other with the floating valve seat of seal assembly respectively.
As a kind of improvement, described pressurize tube is divided into inlet end and endpiece, and the valve of inlet end seal assembly links to each other with the trawlnet tail end.
Compared with prior art, the invention has the beneficial effects as follows:
(1) in pressure maintaining period, the present invention proposes directly allows the afterbody net bottom pipe of trawlnet separate with the trawlnet body in water, and accurately entering pressurize in the pressurize tube, this afterbody net bottom pipe sample pressurize driving mechanism and control method thereof can increase substantially the survival rate of the benthic organism that collects.
(2) behind the benthic organism sampling, product all concentrate in the pressurize network of pipelines bottom tube, the present invention is directed to benthic organism and carry out pressurize, cost with minimum, improve the survival rate of benthic organism, reduced the volume and weight of pressurize tube and sealing system, also saved a large amount of energy consumptions simultaneously.
(3) the present invention's switching of controlling the pressurize tube by seal assembly that is connected with pressurize tube two ends and valve has improved the accuracy of pressurize tube switch.
(4) utilization of the present invention is carried out pressure compensation to pressure-retaining system in the pressure loss that is lifted out from the seabed the process of sea with the accumulator that the pressurize tube directly links to each other, and makes benthic organism after the sampling more near the virgin pressure of sampled point.
Description of drawings
Fig. 1 is a synoptic diagram of the present invention;
The structural representation of seal assembly among Fig. 2 the present invention.
Reference numeral among the figure:
1 hydraulic pressure corner oil cylinder, 2 valve rods, 3 valve bodies, 4 floating valve seats, 5 spherical valve cores, 6 ball face sealing spares, 11 pressurize tubes, 12 net bottom pipes, 13 accumulators
Embodiment
In conjunction with the accompanying drawings, the present invention is described in detail below by specific embodiment.
The invention provides a kind of benthic organism sampling and seal assembly, comprise the pressurize tube 11 of a hollow, pressurize tube 11 is to be used for container that the benthic organism that the net bottom pipe collects is carried out pressurize, is divided into inlet end and endpiece.There is a net bottom pipe 12 to be positioned at pressurize tube 11, is used for the benthic organism that bull trawl collects to filter, benthic organism is separated with seawater.Separate seal assembly is set up at pressurize tube 11 two ends separately, and seal assembly comprises valve and valve control mechanism.Valve comprises valve body 3, ball face sealing spare 6, spherical valve core 5 and valve rod 2; 5 of ball face sealing spare 6 and spherical valve core are provided with floating valve seat 4, and spherical valve core 5 is fixed on the valve body 3 by valve rod 2, and spherical valve core 5 does not produce mobile during pressurized; During spherical valve core 5 pressurizeds, pressure produces floating valve seat 4 and moves, and ball face sealing spare 6 is pressed on the spherical valve core 5, to guarantee sealing.Pressurize tube 11 two ends link to each other with the floating valve seat 4 of seal assembly respectively, and the floating valve seat 4 of inlet end links to each other with the trawlnet tail end.Valve control mechanism comprises hydraulic pressure corner oil cylinder 1 and fluid pressure line, and hydraulic pressure corner oil cylinder 1 links to each other with valve rod 2, and hydraulic pressure corner oil cylinder 1 rotating band ovable valve stem 2 rotates, and then drives spherical valve core 5 rotations, realizes valve opening and closing.Valve control mechanism is connected with remote control center by signal wire, receives the operation of carrying out controlled valve behind the signal of controlled valve.Also connect an accumulator 13 on the pressurize tube 11, descend to replenish the pressure that causes owing to pressurize tube 11 body deformabilities, seal change of shape and seepage etc.
The seawater of trawlnet collection and benthic organism enter pressurize tube 11 through the seal assembly of entrance point, seawater is discharged by the endpiece of pressurize tube after the net bottom pipe 12 of pressurize tube 11 inside filters, benthic organism is stayed pressurize tube 11 inside, sampling finishes the back entrance point and the endpiece seal assembly is closed, and the benthic organism that collects enters packing state.
Valve seal adopts the double sealing structure of spherical valve core 5, and promptly spherical valve core 5 cooperates with floating valve seat 4 two ends, and all there is ball seal spare 6 (for example O-ring seal) on the surface.
The valve of preceding pressurize tube 11 entrance points of sampling and endpiece all is to be in opening in this instantiation, and seawater can waltz through whole pressurize tube 11; After the sampling beginning, the benthic organism of trawlnet collection and seawater enter pressurize tube 11 through the valve of pressurize tube 11 entrance points together, filter the back benthic organism through the net bottom pipe in the pressurize tube 11 12 and stay pressurize tube 11 inside, seawater flows out through the valve of pressurize tube 11 endpiece.After sampling was finished, control signal was sent, and control hydraulic pressure corner oil cylinder 1 rotates, and the spherical valve core 5 that drives valve rod 2 connections rotates the valve of closing pressurize tube 11 entrance points and endpiece, sample is given birth in the seabed carry out pressurize; The accumulator 13 that directly links to each other with pressurize tube 11 carries out pressure compensation to pressurize tube 11 the benthic organism sampling system is promoted to the process on sea from the seabed, make benthic organism after the sampling more near the virgin pressure of sampled point.
Behind the benthic organism sampling, most benthic organisms all concentrates on the trawlnet bottom, employing allows the afterbody net bottom pipe 12 of original trawlnet separate with the trawlnet body in water, and make sample accurately enter the mode of pressurize in the pressurize tube 11, the survival rate of cost raising benthic organism that can be minimum, not only reduce the volume and weight of pressurize tube 11 and sealing system, also saved a large amount of energy consumptions simultaneously.
At last, it should be noted that above what enumerate only is specific embodiments of the invention.Obviously, the invention is not restricted to above embodiment, a lot of distortion can also be arranged.All distortion that those of ordinary skill in the art can directly derive from content disclosed by the invention or associate all should be thought protection scope of the present invention.
Claims (7)
1, a kind of benthic organism sampling and seal assembly comprise the net bottom pipe, it is characterized in that, the net bottom pipe is positioned at the pressurize tube of a hollow, and separate seal assembly is set up at pressurize tube two ends separately; Described seal assembly comprises valve and valve control mechanism.
2, benthic organism sampling according to claim 1 and seal assembly is characterized in that, connect an accumulator on the described pressurize pipe.
3, benthic organism sampling according to claim 1 and seal assembly is characterized in that, described valve comprises valve body, ball face sealing spare, spherical valve core and valve rod.
4, benthic organism sampling according to claim 3 and seal assembly is characterized in that, described valve control mechanism comprises hydraulic pressure corner oil cylinder and fluid pressure line, and hydraulic pressure corner oil cylinder links to each other with valve rod.
5, according to claim 3 or 4 wherein any one benthic organism sampling and seal assembly, it is characterized in that, between the ball face sealing spare of described valve and the spherical valve core, be provided with floating valve seat.
6, benthic organism sampling according to claim 5 and seal assembly is characterized in that, described pressurize tube two ends link to each other with the floating valve seat of seal assembly respectively.
7, benthic organism sampling according to claim 5 and seal assembly is characterized in that, described pressurize tube is divided into inlet end and endpiece, and the valve of inlet end seal assembly links to each other with the trawlnet tail end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101620222A CN101413845B (en) | 2008-11-13 | 2008-11-13 | Benthic organism sampling and seal assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101620222A CN101413845B (en) | 2008-11-13 | 2008-11-13 | Benthic organism sampling and seal assembly |
Publications (2)
| Publication Number | Publication Date |
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| CN101413845A true CN101413845A (en) | 2009-04-22 |
| CN101413845B CN101413845B (en) | 2011-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2008101620222A Expired - Fee Related CN101413845B (en) | 2008-11-13 | 2008-11-13 | Benthic organism sampling and seal assembly |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103675224A (en) * | 2013-11-29 | 2014-03-26 | 河海大学 | In-situ real-time intelligent biological detection device and method for protecting river health |
| CN107047534A (en) * | 2017-01-19 | 2017-08-18 | 中国科学院海洋研究所 | A kind of deep-sea sampling preparation of specimen device |
| CN108088835A (en) * | 2018-02-06 | 2018-05-29 | 清华大学深圳研究生院 | A kind of underwater detecting system based on laser induced breakdown spectroscopy |
| CN111109214A (en) * | 2020-01-19 | 2020-05-08 | 湖南科技大学 | Suction type deep sea benthos collection and in-situ maintenance system and use method thereof |
| CN111109213A (en) * | 2019-12-12 | 2020-05-08 | 浙江大学 | Bidirectional sealing piston type deep-brillouin multicellular organism trapping and fidelity sampler |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109392852B (en) * | 2018-11-12 | 2020-12-15 | 浙江大学 | Seabed deep-well macrobiology trapping and pressure maintaining sampling device |
-
2008
- 2008-11-13 CN CN2008101620222A patent/CN101413845B/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103675224A (en) * | 2013-11-29 | 2014-03-26 | 河海大学 | In-situ real-time intelligent biological detection device and method for protecting river health |
| CN103675224B (en) * | 2013-11-29 | 2015-08-26 | 河海大学 | The original position real-time intelligent biological monitor of protection river health and detection method |
| CN107047534A (en) * | 2017-01-19 | 2017-08-18 | 中国科学院海洋研究所 | A kind of deep-sea sampling preparation of specimen device |
| CN108088835A (en) * | 2018-02-06 | 2018-05-29 | 清华大学深圳研究生院 | A kind of underwater detecting system based on laser induced breakdown spectroscopy |
| CN111109213A (en) * | 2019-12-12 | 2020-05-08 | 浙江大学 | Bidirectional sealing piston type deep-brillouin multicellular organism trapping and fidelity sampler |
| CN111109214A (en) * | 2020-01-19 | 2020-05-08 | 湖南科技大学 | Suction type deep sea benthos collection and in-situ maintenance system and use method thereof |
| CN111109214B (en) * | 2020-01-19 | 2023-12-19 | 湖南科技大学 | Suction type deep sea submarine organism collecting and in-situ retaining system and using method thereof |
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| Publication number | Publication date |
|---|---|
| CN101413845B (en) | 2011-04-06 |
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Granted publication date: 20110406 Termination date: 20121113 |