CN111284664A - Active formula pressurize storage device of macrobiology for deep sea submersible vehicle - Google Patents
Active formula pressurize storage device of macrobiology for deep sea submersible vehicle Download PDFInfo
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- CN111284664A CN111284664A CN202010124917.8A CN202010124917A CN111284664A CN 111284664 A CN111284664 A CN 111284664A CN 202010124917 A CN202010124917 A CN 202010124917A CN 111284664 A CN111284664 A CN 111284664A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
- B63C11/00—Equipment for dwelling or working underwater; Means for searching for underwater objects
- B63C11/52—Tools specially adapted for working underwater, not otherwise provided for
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Abstract
A macro-organism active pressure maintaining storage device for a deep sea submersible vehicle comprises a pressure-resistant spherical shell, wherein the pressure-resistant spherical shell is of a spherical tank structure, an opening is formed in the top surface of the pressure-resistant spherical shell, a surrounding wall is welded at the opening, and the top of the surrounding wall is provided with an automatic opening and closing hatch cover which can be opened and closed in a matched mode; a right base is welded on the right spherical surface of the pressure-resistant spherical shell, a pressure regulating tank assembly is welded at the outer end of the right base, a proportional pressure reducing valve is installed between the bottom of the pressure regulating tank assembly and the pressure-resistant spherical shell, a left base is welded on the left spherical surface of the pressure-resistant spherical shell, the left base is symmetrical to the right base, a water storage tank assembly is welded at the outer end of the left base, a proportional overflow valve and a manual ball valve are installed at the bottom of the water storage tank assembly, and the proportional overflow valve is communicated with the pressure-resistant spherical shell; convenient operation and good working reliability.
Description
Technical Field
The invention relates to the technical field of pressure maintaining storage devices for deep sea macrobiotic samples, in particular to a macrobiotic active pressure maintaining storage device for a deep sea submersible vehicle.
Background
In recent years, marine biologists have observed marine organisms in real time through deep sea submersibles, such as dragon man-carrying submersibles or cable-controlled Robots (ROVs), and have sampled valuable microorganisms and macroorganisms in deep sea through manipulators carried on the bow of the deep sea submersibles, and have collected and stored through sampling baskets fixedly carried on a bow tray, so that laboratory observation, culture and research after landing are facilitated.
However, after the macro biological sample collected by the deep sea submersible is stored in the sampling basket, the macro biological sample is lifted from the deep sea to the mother ship along with the recovery of the deep sea submersible, and since the recovery of the deep sea submersible from the deep sea to the mother ship takes a lot of time, usually more than several hours, and the external seawater pressure of the macro biological sample is gradually reduced in the process of recovering the deep sea submersible from the deep sea to the water surface, the biological characteristics of the macro biological sample are changed in the transferring process due to the incapability of maintaining the in-situ pressure of the collection point, the in-situ characteristics of the organism are lost, and the values of observation, culture and research in a laboratory are even lost.
Although the deep sea application of the deep sea pressure maintaining sampler exists in the prior art, the deep sea pressure maintaining sampler can only complete pressure maintaining storage of microorganism samples and cannot realize the pressure maintaining storage capacity of large organisms, and in addition, the pressure maintaining sampler can only realize passive pressure maintaining and cannot meet the pressure maintaining storage requirement of multiple depth changes in the frequent floating and submerging processes of the deep sea submersible vehicle.
Disclosure of Invention
The applicant provides an active pressure maintaining storage device for macro organisms for a deep sea submersible vehicle aiming at the defects in the prior art, so that the active pressure maintaining storage can be performed on collected deep sea macro organism samples, the use requirement is met, and the working reliability is good.
The technical scheme adopted by the invention is as follows:
a macro-organism active pressure maintaining storage device for a deep sea submersible vehicle comprises a pressure-resistant spherical shell, wherein the pressure-resistant spherical shell is of a spherical tank structure, an opening is formed in the top surface of the pressure-resistant spherical shell, a surrounding wall is welded at the opening, and the top of the surrounding wall is provided with an automatic opening and closing hatch cover which can be opened and closed in a matched mode; a right base is welded on the right spherical surface of the pressure-resistant spherical shell, a pressure regulating tank assembly is welded at the outer end of the right base, a proportional pressure reducing valve is installed between the bottom of the pressure regulating tank assembly and the pressure-resistant spherical shell, a left base is welded on the left spherical surface of the pressure-resistant spherical shell, the left base is symmetrical to the right base, a water storage tank assembly is welded at the outer end of the left base, a proportional overflow valve and a manual ball valve are installed at the bottom of the water storage tank assembly, and the proportional overflow valve is communicated with the pressure-resistant spherical shell;
a controller tank is fixed at the top of the left base, a control system is arranged in the controller tank, and the control system controls the opening and closing of the automatic opening and closing hatch cover;
macroorganisms are put into the pressure-resistant spherical shell,
a depth meter is arranged on the bottom surface inside the pressure-resistant spherical shell,
and a water drain ball valve is arranged at the bottom of the pressure-resistant spherical shell.
The further technical scheme is as follows:
the hatch cover capable of being opened and closed automatically is structurally characterized in that: the electric push rod type bow machine comprises a cover body, wherein a bow support is welded in the middle of the top surface of the cover body and connected with the head of the electric push rod, arm supports are respectively welded on the cover body at two sides of the bow support and connected with the front end of a rocker;
the casing wall is fixed with a stern support through a fastener, the casing walls at two sides of the stern support are respectively fixed with a mounting seat, the tail part of the electric push rod is connected with the stern support through a pin shaft,
the swing shaft penetrates through the stern support in the middle, two ends of the swing shaft are supported on the mounting seat respectively, flanges are fixed to two ends of the swing shaft respectively, and the rear end of the rocker is fixed to the flanges through fasteners.
The pressure regulating tank assembly is structurally characterized in that: including outer jar, the internally mounted of outer jar has the inner tank, top bottle valve is installed at the top of outer jar, top bottle valve passes outer jar to the inner chamber of inner tank in, electronic ball valve is installed to the bottom of inner tank to in wearing to the inner tank through the pipeline, the piston is still installed through the sealing washer in the inside of outer jar, two parts about the piston falls into the inside of outer jar, and the upper half is low pressure nitrogen gas chamber, and the latter half is the sea water chamber, bottom bottle valve is still installed to the bottom of outer jar.
The bottom bottle head valve is communicated with the seawater cavity.
The inner tank is filled with high-pressure nitrogen.
The structure of the water storage tank assembly is as follows: the automatic water storage device comprises a steel bottle body, wherein a water storage cavity is formed in the steel bottle body, a bottle head valve is installed at the bottom of the steel bottle body, the right side of the bottle head valve is connected with a proportional overflow valve, and the left side of the bottle head valve is connected with a manual ball valve.
The upper portion of leg hole becomes the bell mouth, automatic open and close hatch board and bell mouth cooperation to seal through O type sealing washer.
The invention has the following beneficial effects:
the device has compact and reasonable structure and convenient operation, well solves the current situation that the traditional deep sea macrobiology sampling can not finish in-situ pressure-maintaining preservation, greatly improves the in-situ fidelity degree of a deep sea collected sample, and has simple structure, high automation degree and strong practicability.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of the automatic opening and closing hatch cover of the present invention.
Fig. 3 is a schematic structural view of the surge tank assembly of the present invention.
FIG. 4 is a schematic view of a water storage tank assembly according to the present invention.
Wherein: 1. a pressure-resistant spherical shell; 2. a surrounding wall; 3. automatically opening and closing the hatch cover; 4. an O-shaped sealing ring; 5. a right base; 6. a pressure regulating tank assembly; 7. a proportional pressure reducing valve; 8. a water discharge ball valve; 9. a proportional relief valve; 10. a water storage tank assembly; 11. a manual ball valve; 12. a left base; 13. a controller tank; 14. a depth meter; 15. a macrocreature;
301. a cover body; 302. a bow support; 303. an electric push rod; 304. an arm support; 305. a rocker; 306. a mounting seat; 307. a swing shaft; 308. a stern support; 309. a flange;
601. a top cylinder valve; 602. an outer tank; 603. an inner tank; 604. high pressure nitrogen; 605. a low-pressure nitrogen chamber; 606. a piston; 607. a seal ring; 608. an electric ball valve; 609. a seawater cavity; 610. a bottom cylinder valve;
1001. a steel bottle body; 1002. a bottle head valve; 1003. a water storage cavity.
Detailed Description
The following describes embodiments of the present invention with reference to the drawings.
As shown in fig. 1, fig. 2, fig. 3 and fig. 4, the active macro biological pressure maintaining storage device for a deep sea submersible vehicle of the present embodiment includes a pressure-resistant spherical shell 1, the pressure-resistant spherical shell 1 is a spherical tank structure, an opening is disposed on a top surface of the pressure-resistant spherical shell 1, a surrounding wall 2 is welded at the opening, and an automatically opening and closing hatch cover 3 which can be opened and closed is installed on a top of the surrounding wall 2 in a matching manner; a right base 5 is welded on the right spherical surface of the pressure-resistant spherical shell 1, a pressure regulating tank assembly 6 is welded at the outer end of the right base 5, a proportional pressure reducing valve 7 is installed between the bottom of the pressure regulating tank assembly 6 and the pressure-resistant spherical shell 1, a left base 12 is welded on the left spherical surface of the pressure-resistant spherical shell 1, the left base 12 is symmetrical to the right base 5, a water storage tank assembly 10 is welded at the outer end of the left base 12, a proportional overflow valve 9 and a manual ball valve 11 are installed at the bottom of the water storage tank assembly 10, and the proportional overflow valve 9 is communicated with the pressure-resistant;
a controller tank 13 is fixed at the top of the left base 12, and a control system is arranged in the controller tank 13 and controls the opening and closing of the automatic opening and closing hatch cover 3;
the macro organism 15 is put in the pressure-resistant spherical shell 1,
a depth gauge 14 is arranged on the inner bottom surface of the pressure-resistant spherical shell 1,
the bottom of the pressure-resistant spherical shell 1 is provided with a water-discharging ball valve 8.
The hatch cover 3 capable of being opened and closed automatically has the following structure: the electric push rod type bow machine comprises a cover body 301, wherein a bow support 302 is welded in the middle of the top surface of the cover body 301, the bow support 302 is connected with the head of an electric push rod 303, arm supports 304 are respectively welded on the cover body 301 at two sides of the bow support 302, and the arm supports 304 are connected with the front end of a rocker 305;
the casing wall 2 is also fixed with a stern support 308 through a fastener, the casing walls 2 at two sides of the stern support 308 are respectively fixed with a mounting seat 306, the tail part of the electric push rod 303 is connected with the stern support 308 through a pin shaft,
the swing device further comprises a swing shaft 307, the middle of the swing shaft 307 penetrates through the stern support 308, two ends of the swing shaft 307 are respectively supported on the mounting base 306, flanges 309 are respectively fixed to two ends of the swing shaft 307, and the rear end of the rocker 305 is fixed with the flanges 309 through fasteners.
The pressure regulating tank assembly 6 has the structure that: including outer jar 602, outer jar 602's internally mounted has inner tank 603, top bottle valve 601 is installed at outer jar 602's top, top bottle valve 601 passes outer jar 602 to inner tank 603 in the inner chamber, electronic ball valve 608 is installed to inner tank 603's bottom, and pass to inner tank 603 in through the pipeline, piston 606 is still installed through sealing washer 607 in outer jar 602's inside, piston 606 falls into upper and lower two parts with outer jar 602's inside, the upper half is low pressure nitrogen gas chamber 605, the latter half is seawater cavity 609, bottom bottle valve 610 is still installed to outer jar 602's bottom.
The bottom bottle head valve 610 is in communication with the seawater chamber 609.
The inner tank 603 is filled with high-pressure nitrogen 604.
The water storage tank assembly 10 has the structure: the automatic water storage device comprises a steel cylinder body 1001, a water storage cavity 1003 is formed inside the steel cylinder body 1001, a cylinder head valve 1002 is installed at the bottom of the steel cylinder body 1001, the right side of the cylinder head valve 1002 is connected with a proportional overflow valve 9, and the left side of the cylinder head valve 1002 is connected with a manual ball valve 11.
The upper portion of 2 holes in the leg becomes the bell mouth, and automatic start-stop hatch board 3 cooperates with the bell mouth to seal through O type sealing washer 4.
As shown in fig. 1 to 4, the specific structure of the present invention is:
the bottom welding of leg 2 forms an open-topped spherical tank body at the top of withstand voltage spherical shell 1, and automatic open and close hatch board 3 covers in the bell mouth of leg 2, and is sealed through O type sealing washer 4 between the two.
A bow support 302 of the automatic opening and closing hatch cover 3 is welded at the middle position of the top of the cover body 301, the bow support 302 is connected with the head of the electric push rod 303 through a pin shaft, arm supports 304 are welded at two sides of the top of the cover body 301, and the arm supports 304 are connected with the front end of the rocker 305 through a pin shaft.
The mounting base 306 and the stern support 308 are both connected to the trunk wall 2 through bolts, the tail of the electric push rod 303 is connected to the stern support 308 through a pin shaft, the swing shaft 307 penetrates through shaft holes of flanges 309 on the left mounting base 306 and the right mounting base 306 to form shaft hole clearance fit, and the rear end of the rocker 305 is connected to the flanges 309 through bolts.
The inner tank 603 of the pressure regulating tank assembly 6 is located inside the outer tank 602, the top bottle valve 601 penetrates through the top of the outer tank 602 until being communicated with the inner cavity of the inner tank 603, the electric ball valve 608 is located at the bottom of the inner tank 603 and penetrates into the inner tank 603 through a pipeline, the piston 606 is located inside the outer tank 602 and forms a sealing surface with the inner wall of the outer tank 602 through a sealing ring 607, the outer tank 602 is divided into an upper part and a lower part by the piston 606, the upper part is a low-pressure nitrogen gas cavity 605, and the lower part is a seawater cavity 609.
A bottom head valve 610 is mounted to the bottom of the outer vessel 602, the bottom head valve 610 communicating with a seawater chamber 609.
The inner tank 603 is filled with high-pressure nitrogen 604.
The right base 5 is welded on the right side spherical surface of the pressure-resistant spherical shell 1, the left base 12 is welded on the left side spherical surface of the pressure-resistant spherical shell 1, the tank outer side of the pressure regulating tank assembly 6 is welded on the side panel of the right base 5, the tank outer side of the water storage tank assembly 10 is welded on the side panel of the left base 12, and the tank outer side of the controller tank 13 is welded on the top panel of the left base 12.
The right end of the proportional pressure reducing valve 7 is screwed on a bottle valve 610 at the bottom of the pressure regulating tank assembly 6, and the left end of the proportional pressure reducing valve 7 penetrates into the pressure-resistant spherical shell 1 through a pipeline.
The water discharging ball valve 8 penetrates into the pressure-resistant spherical shell 1 through a pipeline and is mainly used for discharging seawater in the pressure-resistant spherical shell 1.
The left end of the proportional overflow valve 9 is screwed on the right side of the bottle head valve 1002 at the bottom of the water storage tank assembly 10, the right end of the proportional overflow valve 9 penetrates into the pressure-resistant spherical shell 1 through a pipeline, and the manual ball valve 11 is screwed on the left side of the bottle head valve 1002 at the bottom of the water storage tank assembly 10.
The depth gauge 14 is fixedly mounted on the bottom spherical shell in the pressure-resistant spherical shell 1.
In the practical use process, the deep sea submersible vehicle carries the macro organism active pressure maintaining storage device provided by the invention, submerges to the deep sea by the preset depth, finishes grabbing the deep sea macro organisms 15 by a manipulator on the deep sea submersible vehicle, and then drives and controls the electric push rod 303 on the automatic opening and closing hatch cover 3 to retract through a control system of the controller tank 13 so as to drive the cover body 301 to rotate around the swinging shaft 307, thereby finishing the opening of the automatic opening and closing hatch cover 3.
Then, a manipulator on the deep sea submersible puts the grabbed macroorganisms 15 into the pressure-resistant spherical shell 1, and an electric push rod 303 on the automatic opening and closing hatch cover 3 is driven and controlled to extend out through a control system of the controller tank 13 so as to drive the cover body 301 to rotate reversely around a swinging shaft 307, so that the automatic opening and closing hatch cover 3 is closed, and sealing is realized through an O-shaped sealing ring 4.
Then the depth meter 14 records the depth value of the sampling point and feeds the depth value back to the control system in the controller tank 13, the control system adjusts the overflow pressure of the proportional relief valve 9 to the pressure corresponding to the depth value according to the depth value, and the control system adjusts the outlet pressure of the proportional relief valve 7 to the pressure corresponding to the depth value according to the depth value.
When the deep sea submersible vehicle carries the macro-organism active pressure-maintaining storage device to submerge to a deeper sea area for observation, the pressure-resisting spherical shell 1 can integrally contract inwards due to the increase of the external seawater pressure, so that the pressure in the pressure-resisting spherical shell 1 is gradually increased, and the pressure in the pressure-resisting spherical shell 1 is gradually increased due to the fact that the overflow pressure of the proportional overflow valve 9 is adjusted to the pressure of the sampling depth, the compressed seawater with the gradually increased pressure in the pressure-resisting spherical shell 1 can be released into the water storage tank assembly 10 through the proportional overflow valve 9, so that the pressure in the pressure-resisting spherical shell 1 is kept consistent with the depth pressure of a sampling point all the time.
When the active pressure-maintaining storage device for macro organisms provided by the invention floats upwards in a deep sea submersible vehicle, the pressure-maintaining spherical shell 1 expands outwards as a whole due to the reduction of the external seawater pressure, so that the pressure in the pressure-maintaining spherical shell 1 is gradually reduced, the outlet pressure of the proportional pressure reducing valve 7 is adjusted to the pressure of the sampling depth, the electric ball valve 608 is controlled to be opened by the control system in the controller tank 13, the high-pressure nitrogen 604 in the inner tank 603 is discharged into the low-pressure nitrogen chamber 605, the piston 606 is driven by the low-pressure nitrogen in the chamber to move downwards, and therefore the seawater in the seawater chamber 609 is pushed to be supplemented into the pressure-maintaining spherical shell 1 through the proportional pressure reducing valve 7, and the pressure in the pressure-maintaining spherical shell 1 is always consistent with the depth pressure of the sampling point.
After the macro organism active pressure maintaining storage device is recovered to the deck surface of a mother ship on the water surface along with a manned submersible, the proportional pressure reducing valve 7, the proportional overflow valve 9 and the electric ball valve 608 are closed through the control system of the controller tank 13, the water drain ball valve 8 is manually opened to complete the pressure relief of seawater in the pressure-resistant spherical shell 1, then the control system of the controller tank 13 controls the automatic opening and closing hatch cover 3 to be opened, and then the macro organism 15 is manually transferred to a test room to be subjected to in-situ analysis.
Finally, the manual ball valve 11 is manually opened to discharge the seawater in the water storage tank assembly 10.
The whole operation is convenient, the time consuming is short, the current situation that in-situ pressure-maintaining preservation cannot be completed in sampling of macroorganisms 15 in deep sea in the prior art is well solved, the in-situ fidelity degree of samples collected in deep sea is greatly improved, and the use requirement is met.
The above description is intended to be illustrative and not restrictive, and the scope of the invention is defined by the appended claims, which may be modified in any manner within the scope of the invention.
Claims (7)
1. The utility model provides a deep sea is macro living creature initiative formula pressurize storage device for latent water vehicle which characterized in that: the pressure-resistant spherical shell comprises a pressure-resistant spherical shell (1), wherein the pressure-resistant spherical shell (1) is of a spherical tank structure, an opening is formed in the top surface of the pressure-resistant spherical shell (1), a surrounding wall (2) is welded at the opening, and an automatic opening and closing hatch cover (3) capable of being opened and closed is installed at the top of the surrounding wall (2) in a matched mode; the pressure-resistant spherical shell is characterized in that a right base (5) is welded on the right spherical surface of the pressure-resistant spherical shell (1), a pressure regulating tank assembly (6) is welded at the outer end of the right base (5), a proportional pressure reducing valve (7) is installed between the bottom of the pressure regulating tank assembly (6) and the pressure-resistant spherical shell (1), a left base (12) is welded on the left spherical surface of the pressure-resistant spherical shell (1), the left base (12) is symmetrical to the right base (5), a water storage tank assembly (10) is welded at the outer end of the left base (12), a proportional overflow valve (9) and a manual ball valve (11) are installed at the bottom of the water storage tank assembly (10), and the proportional overflow valve (9) is communicated with the pressure-resistant;
a controller tank (13) is fixed at the top of the left base (12), a control system is arranged in the controller tank (13), and the control system controls the opening and closing of the automatic opening and closing hatch cover (3);
macroorganisms (15) are put into the pressure-resistant spherical shell (1),
a depth meter (14) is arranged on the bottom surface inside the pressure-resistant spherical shell (1),
and a water drain ball valve (8) is arranged at the bottom of the pressure-resistant spherical shell (1).
2. The macro-organism active pressure maintaining storage device for the deep sea submersible vehicle according to claim 1, wherein: the hatch cover (3) is automatically opened and closed, and the structure is as follows: the electric push rod type bow machine comprises a cover body (301), wherein a bow support (302) is welded in the middle of the top surface of the cover body (301), the bow support (302) is connected with the head of an electric push rod (303), arm supports (304) are respectively welded on the cover body (301) on two sides of the bow support (302), and the arm supports (304) are connected with the front end of a rocker (305);
a stern support (308) is fixed on the casing wall (2) through a fastener, mounting seats (306) are respectively fixed on the casing wall (2) at two sides of the stern support (308), the tail part of the electric push rod (303) is connected on the stern support (308) through a pin shaft,
the swing device is characterized by further comprising a swing shaft (307), the middle of the swing shaft (307) penetrates through the stern support (308), two ends of the swing shaft (307) are supported on the mounting seat (306) respectively, flanges (309) are fixed to two ends of the swing shaft (307) respectively, and the rear end of the rocker (305) is fixed with the flanges (309) through fasteners.
3. The macro-organism active pressure maintaining storage device for the deep sea submersible vehicle according to claim 1, wherein: the pressure regulating tank assembly (6) is structurally characterized in that: including outer jar (602), the internally mounted of outer jar (602) has inner tank (603), top bottle valve (601) are installed at the top of outer jar (602), outer jar (602) are passed in the inner chamber of inner tank (603) in top bottle valve (601), electric ball valve (608) are installed to the bottom of inner tank (603) to in wearing to inner tank (603) through the pipeline, piston (606) are still installed through sealing washer (607) in the inside of outer jar (602), piston (606) are two parts from top to bottom with the inside share of outer jar (602), and the first half is low pressure nitrogen gas chamber (605), and the latter half is sea water chamber (609), bottom bottle valve (610) are still installed to the bottom of outer jar (602).
4. The macro-organism active pressure maintaining storage device for the deep sea submersible vehicle according to claim 3, wherein: the bottom cylinder valve (610) is communicated with the seawater cavity (609).
5. The macro-organism active pressure maintaining storage device for the deep sea submersible vehicle according to claim 3, wherein: the inner tank (603) is filled with high-pressure nitrogen (604).
6. The macro-organism active pressure maintaining storage device for the deep sea submersible vehicle according to claim 1, wherein: the structure of the water storage tank assembly (10) is as follows: the novel steel bottle comprises a steel bottle body (1001), a water storage cavity (1003) is arranged inside the steel bottle body (1001), a bottle head valve (1002) is installed at the bottom of the steel bottle body (1001), a proportional overflow valve (9) is connected to the right side of the bottle head valve (1002), and a manual ball valve (11) is connected to the left side of the bottle head valve (1002).
7. The macro-organism active pressure maintaining storage device for the deep sea submersible vehicle according to claim 1, wherein: the upper portion of leg (2) hole becomes the bell mouth, automatic open and close hatch board (3) and bell mouth cooperation to seal through O type sealing washer (4).
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| US20210219528A1 (en) * | 2020-01-19 | 2021-07-22 | Hunan University Of Science And Technology | Suction sampler system for in situ collection of deep-sea floor organisms and method of using same |
| CN111855308A (en) * | 2020-07-14 | 2020-10-30 | 上海交通大学 | Compressed active pressure-maintaining in-situ seawater sampler for empty cabin and sampling method thereof |
| CN111855303A (en) * | 2020-07-14 | 2020-10-30 | 上海交通大学 | Active pressure-maintaining in-situ seawater sampler and sampling method thereof |
| CN111855303B (en) * | 2020-07-14 | 2023-10-17 | 上海交通大学 | Active pressure-maintaining in-situ seawater sampler and sampling method thereof |
| CN111855308B (en) * | 2020-07-14 | 2023-10-20 | 上海交通大学 | Air cabin compression type active pressure-maintaining in-situ seawater sampler and sampling method thereof |
| CN113728987A (en) * | 2021-10-09 | 2021-12-03 | 中国船舶科学研究中心 | From come-up deep sea biological sampling device |
| CN113728987B (en) * | 2021-10-09 | 2022-06-21 | 中国船舶科学研究中心 | From come-up deep sea biological sampling device |
| CN114631514A (en) * | 2022-03-24 | 2022-06-17 | 中国船舶科学研究中心 | Tool and method for nondestructive grabbing and pressure maintaining storage of deep sea creatures |
| CN114631514B (en) * | 2022-03-24 | 2022-12-09 | 中国船舶科学研究中心 | Tool and method for nondestructive grabbing and pressure maintaining storage of deep sea creatures |
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|---|---|
| CN111284664B (en) | 2020-12-15 |
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