CN112985909A - Multi-sequence fluid pressure-maintaining sampling device carried by deep sea carrier - Google Patents
Multi-sequence fluid pressure-maintaining sampling device carried by deep sea carrier Download PDFInfo
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- CN112985909A CN112985909A CN202110204211.7A CN202110204211A CN112985909A CN 112985909 A CN112985909 A CN 112985909A CN 202110204211 A CN202110204211 A CN 202110204211A CN 112985909 A CN112985909 A CN 112985909A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
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Abstract
The invention provides a multi-sequence fluid pressure maintaining and sampling device carried by a deep sea carrier, which comprises a mounting frame, a plurality of sampling cylinders arranged on the mounting frame, a driving piece arranged in the middle of the plurality of sampling cylinders, and a rotating piece connected with the driving piece, wherein the plurality of sampling cylinders are arranged at intervals along the circumferential direction of the mounting frame, the sampling cylinders are provided with first valves and poking pieces connected with the first valves, and the rotating piece and the poking pieces are correspondingly arranged so as to control the first valves to be opened or closed by rotating the rotating piece. The multi-sequence fluid pressure-maintaining sampling device carried by the deep sea carrier is provided with a plurality of sampling cylinders, and the driving piece and the rotation piece are arranged among the plurality of sampling cylinders to control the first valve on the sampling cylinder to be opened and closed in sequence, so that the sampling can be carried out for multiple times by one-time submergence.
Description
Technical Field
The invention relates to the technical field of deep sea pressure maintaining sampling, in particular to a multi-sequence fluid pressure maintaining sampling device carried by a deep sea carrier.
Background
With the exhaustion of land resources, people are increasingly eager and eager to search for unknown deep sea areas. The analysis of the physical and chemical quantities of deep sea water samples is one of the main tasks of ocean resource detection. However, the severe environment of deep sea with low temperature and high pressure brings great test to the in-situ fidelity collection work of the water sample. If the pressure of the sample changes, the volatile gas and the semi-volatile gas dissolved in the water sample are supersaturated and overflow, the sample taken out is distorted, and the in-situ component information of the seawater cannot be reflected.
The deep sea carrier, especially manned submersible and unmanned remote control submersible, is an important carrier for developing deep sea resource exploration, scientific research and in-situ test, and as operators can operate the mechanical arm through an observation window or a video system to perform sampling operation on various complex terrains, an important carrying platform is provided for the cognition of the human beings to the ocean and the development of the ocean.
At present, the existing deep sea pressure maintaining water extraction equipment in China has a certain gap compared with developed countries, and mainly solves the problems that the single water extraction capacity is weak, the sampling rate is not adjustable, the volume and the weight are not convenient for carrying a carrier, and the like.
Disclosure of Invention
The invention provides a multi-sequence fluid pressure maintaining sampling device carried by a deep sea carrier, which can carry a manned submersible vehicle/unmanned remote control submersible vehicle to effectively operate in deep sea.
In order to achieve the purpose, the invention adopts the technical scheme that:
the utility model provides a many sequences fluid pressurize sampling device that deep sea carrier carried on, includes the mounting bracket, and locates a plurality of sampler barrels on the mounting bracket are located a plurality ofly driving piece in the middle of the sampler barrel, with the rotating member that the driving piece is connected, it is a plurality of the sampler barrel is followed the circumference interval of mounting bracket sets up, be equipped with first valve on the sampler barrel, and with the plectrum that first valve is connected, the rotating member with the plectrum corresponds the setting, in order to control through the rotation first valve is opened or is closed.
The multi-sequence fluid pressure-maintaining sampling device carried by the deep sea carrier is provided with a plurality of sampling cylinders, and the driving piece and the rotation piece are arranged among the plurality of sampling cylinders to control the first valve on the sampling cylinder to be opened and closed in sequence, so that the sampling can be carried out for multiple times by one-time submergence.
As a further optimization of the invention, the plectrum comprises a plectrum body and a bulge convexly arranged on the plectrum body, the rotating piece comprises two extension rods which are arranged at intervals, the two extension rods are arranged on two sides of the bulge, and the first valve is a ball valve.
As a further optimization of the invention, the convex part is fan-shaped, and the plectrum body is semicircular.
In the above scheme, the boss is fan-shaped, and two extension rods are located the both sides of boss, the effectual assurance the extension rod rotates on corresponding plane the rotation of plectrum has realized when the rotating member is rotatory the effective control of first valve.
As a further optimization of the invention, the driving member comprises a housing, a motor arranged in the housing, a grating circuit board and a grating plate arranged on one side of an output shaft of the motor, and a control circuit board electrically connected with the grating circuit plate, wherein the grating circuit board and the grating plate are arranged oppositely.
In the above scheme, along with the operation of the motor, the grating circuit board can identify the grating board, the control circuit can control the position of the rotating part according to the feedback pulse number of the grating circuit board, and control the first valve through controlling the pulse, so as to complete sampling of a single sampling cylinder and move to the next corresponding position of the sampling cylinder.
As a further optimization of the invention, the grating protection device further comprises a grating fixing plate and a grating circuit fixing plate which are arranged in the shell, wherein the grating plate is arranged on the grating fixing plate, and the grating circuit board is arranged on the grating circuit fixing plate.
In the scheme, the motor, the corresponding grating circuit board and the corresponding grating plate are arranged in the shell, an external control circuit is not needed, and effective operation of the driving piece in deep sea is effectively guaranteed.
As a further optimization of the invention, one end of the driving member, which is far away from the output shaft of the motor, is provided with a watertight connector, and a connecting pipe which is communicated with the interior of the shell.
In the above scheme, the setting of watertight connector for this sampling device can directly be connected with manned submersible or unmanned remote control submersible, realizes pressurize sampling device's real time control, the setting of connecting pipe can be the oil of certain pressure of pre-filling during the use, makes the internal pressure of driving piece is greater than ambient pressure all the time in the process of diving, the protection electronic component in the driving piece.
As a further optimization of the invention, the sampling tube comprises a tube body, and a first piston and a second piston which are arranged in the tube body at intervals, wherein the first piston and the tube body are arranged in an enclosing manner to form a first chamber, the first piston, the second piston and the tube body are arranged in an enclosing manner to form a second chamber, the second piston and the tube body are arranged in an enclosing manner to form a third chamber, and the third chamber is communicated with the water inlet pipe.
In the above scheme, first piston with the setting of second piston will be divided into first cavity, second cavity and third cavity in the barrel, and the third cavity is used for the sample with the inlet tube intercommunication, first cavity is used for the precharge gas, second cavity precharge liquid, and when the sample, deep sea liquid gets into the third cavity after, through the gas in first piston and the first cavity of second piston compression, finally make first cavity and third cavity pressure reach the balance, close the inlet tube this moment and can realize the sample in deep sea, and the atmospheric pressure in the first cavity makes and keeps the pressure in seabed in the third cavity, and simple structure and pressurize ability are good.
As a further optimization of the invention, a connecting block is arranged between the first piston and the second piston to divide the second chamber into a first sub-chamber and a second sub-chamber, and a flow limiting member is arranged on the connecting block to communicate the first sub-chamber and the second sub-chamber.
In the above scheme, the arrangement of the first sub-chamber, the second sub-chamber and the flow limiting piece effectively limits the flow of liquid flowing into the second sub-chamber from the first sub-chamber, and effectively controls the moving speed of the first piston and the second piston, so that the collecting speed of the sampling cylinder can be controlled.
As a further optimization of the present invention, the flow restriction member includes a first through hole disposed on the connection block to communicate the first sub-chamber and the second sub-chamber, and two damping holes disposed at two ends of the first through hole.
In the scheme, the structure that the current-limiting piece comprises first through-hole and two damping holes, stable in structure and easily adjust the installation can be adjusted before going into down, ensures the current-limiting speed to effectual assurance sampling speed.
As a further optimization of the invention, one end of the cylinder body close to the first piston is provided with an inflation plug.
In the scheme, the arrangement of the plug effectively facilitates inflation and pressure relief.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a multi-sequence fluid pressure maintaining and sampling device carried by a deep sea carrier according to the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is a schematic diagram of a part of the structure of a multi-sequence fluid pressure-maintaining sampling device carried by a deep-sea vehicle according to the present invention;
FIG. 4 is a cross-sectional view of FIG. 3 along an axis;
FIG. 5 is a schematic diagram of a partial structure of a multi-sequence fluid pressure-maintaining sampling device carried by a deep-sea vehicle according to the present invention;
fig. 6 is a schematic view of a part of the structure of a multi-sequence fluid pressure maintaining and sampling device carried by a deep sea carrier according to the present invention;
fig. 7 is a partial structural schematic diagram of a multi-sequence fluid pressure maintaining and sampling device carried by a deep sea carrier according to the present invention.
In the above figures, 1, a mounting frame; 11. a first mounting plate; 12. a second mounting plate; 13. a third mounting plate; 2. a sampling tube; 21. a first valve; 22. a barrel; 23. a first piston; 24. a second piston; 25. a first chamber; 26. a second chamber; 261. a first sub-chamber; 262. a second sub-chamber; 27. a third chamber; 28. connecting blocks; 29. a flow restriction; 291. a first through hole; 292. a damping hole; 3. a drive member; 31. a housing; 32. a grating fixing plate; 33. a grating circuit fixing plate; 34. a grating plate; 35. a grating circuit board; 36. a control circuit board; 37. a non-metallic base plate; 38. a motor; 381. an output shaft; 39. oil sealing; 310. a watertight connector; 311. a connecting pipe; 4. a rotating member; 41. an extension pole; 42. a rotating member body; 5. a shifting sheet; 51. a plectrum body; 52. a boss portion; 6. an inflation plug; 7. and (4) a water inlet pipe.
Detailed Description
The invention is described in detail below by way of exemplary embodiments. It should be understood, however, that elements, structures and features of one embodiment may be beneficially incorporated in other embodiments without further recitation.
In the description of the present invention, it should be noted that the terms "inside", "outside", "upper", "lower", "front", "rear", and the like indicate orientations or positional relationships based on positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Referring to fig. 1 to 7, the multi-sequence fluid pressure maintaining and sampling device carried by a deep sea carrier of the present invention includes a mounting frame 1, a plurality of sampling barrels 2 disposed on the mounting frame 1, a driving member 3 disposed in the middle of the plurality of sampling barrels 2, and a rotating member 4 connected to the driving member 3, wherein the plurality of sampling barrels 2 are disposed at intervals along the circumferential direction of the mounting frame 1, the sampling barrels 2 are provided with first valves 21, and a dial 5 connected to the first valves 21, and the rotating member 4 and the dial 5 are disposed correspondingly, so as to control the first valves 21 to open or close by rotating the rotating member 5.
The multi-sequence fluid pressure-maintaining sampling device carried by the deep sea carrier is provided with a plurality of sampling cylinders 2, and the driving piece 3 and the rotating piece 4 are arranged among the sampling cylinders 2 to rotate so as to control the first valve 21 on the sampling cylinder 2 to be opened and closed in sequence, so that the sampling can be carried out for multiple times by one-time running.
Referring to fig. 1-7, in this embodiment, the multi-sequence fluid pressure maintaining sampling device carried by the deep sea carrier includes a mounting frame 1, a sampling cylinder 2, a driving member 3, a rotating member 4, a shifting piece 5, an inflation plug 6, and a water inlet pipe 7.
Mounting bracket 1, relative first mounting disc 11, second mounting disc 12 and the third mounting disc 13 that sets up, wherein first mounting disc 11 and third mounting disc 13 respectively with the both ends of sampler barrel 2 are connected, wherein, be equipped with the mounting groove on the first mounting disc 11, be used for the installation inlet tube 7, be equipped with a plurality of hollow out construction on first mounting disc 11, second mounting disc 12 and the third mounting disc 13 to reduce the water resistance when launching.
Sampling barrel 2 locates on the mounting bracket 1, in this embodiment sampling barrel 2 is four, four sampling barrel 2 is the square setting, 2 both ends of sampling barrel respectively with first mounting disc 11 and second mounting disc 12 are connected, sampling barrel 2 includes barrel 22, be equipped with first piston 23, second piston 24 and connecting block 28 in the barrel 22, first piston 23, second piston 24 will divide into first cavity 25, second cavity 26 and third cavity 27 in the barrel 22, second cavity 26 quilt connecting block 28 divide into first subchamber 261 and second subchamber 262.
The first chamber 25 is used for pre-charging gas, in this embodiment, high-pressure nitrogen gas is pre-charged, an inflation plug 6 is arranged at one end of the cylinder 22 close to the first chamber 25, and the inflation plug 6 is communicated with the first chamber 25 so as to facilitate inflation and pressure relief.
The second chamber 26 is arranged between the first piston 23 and the second piston 24, liquid, in this embodiment, pure water, is prefilled in the second chamber 26, a flow limiting member 29 is arranged on the connecting block 28, the flow limiting member 29 is used for communicating the first sub-chamber 261 with the second sub-chamber 261 and limiting the flow between the first sub-chamber 261 and the second sub-chamber 262, the flow limiting member 29 includes a first through hole 291 arranged on the connecting block 28, damping holes 292 are respectively arranged at two ends of the first through hole 291, the two damping holes 292 are respectively communicated with the first sub-chamber 261 and the second sub-chamber 262, and the damping holes 292 can be adjusted before installation, so that the flow of the first sub-chamber 261 to the second sub-chamber 262 is limited.
The third chamber 27 with the inlet tube 7 intercommunication for the sample, be equipped with first valve 21 on the inlet tube 7, first valve 21 is the high pressure ball valve, can be applicable to the deep sea, and simultaneously, the ball valve can be for two rotatory effects that can all realize the switch of direction, in this embodiment, first valve 21 is for closing-opening-closing three position, interval 90 in proper order.
The driving part 3 is arranged in the middle of the plurality of sampling barrels 2 and arranged on the mounting frame 1, the driving part 3 comprises a shell 31 and a motor 38 arranged in the shell 31, the motor 38 is arranged at the center of the shell 31 and comprises an output shaft, the output shaft extends out of one end of the shell 31, the driving part 3 further comprises a grating fixing plate 32 arranged in the shell 31, a grating plate 34 arranged on the grating fixing plate 32, a grating circuit fixing plate 33 arranged opposite to the grating fixing plate 32, a grating circuit board 35 arranged on the grating circuit fixing plate 33, a non-metal floor 37 is arranged at the other end of the shell 31, a control circuit board 36 is arranged on the non-metal floor 37, the grating circuit board 35 is electrically connected with the control circuit board 36, when the output shaft 381 of the motor 38 rotates, the grating circuit board 35 identifies the grating plate 34 arranged oppositely, the control circuit board 36 confirms the position of the rotary member 4 by recognizing the pulse signal from the raster circuit board 35.
In this embodiment, driving piece 3 pass through the bolt with 1 fixed connection of mounting bracket, the end cover of 3 one ends of driving piece with mounting bracket 1 is connected, still be equipped with the slot that is used for installing the sealing washer on the end cover of driving piece 3, the one end of the output shaft 381 of motor 38 is equipped with the skeleton oil blanket, and this skeleton oil blanket is close to one side of output shaft 381 extending direction is equipped with the clamp plate, and this clamp plate passes through the bolt and fixes this skeleton oil blanket.
In this embodiment, a watertight connector 310 is disposed at an end of the driving member 3 away from the output shaft 381, and the watertight connector can be directly connected to a manned submersible or unmanned remotely-controlled submersible, so as to realize real-time control of the pressure-maintaining sampling device; the connecting pipe 311 is provided, and a certain pressure is precharged into the driving member 3 through the connecting pipe 311, so that the pressure in the driving member 3 is always greater than the external environment pressure in the submergence process, and the internal electronic components are protected.
The rotating member 4 is connected to the driving member 3, and can rotate on a plane where the plurality of the plectrums 5 are located, the rotating member 4 includes a rotating member body 42 connected to the driving member 3, and two extension rods 41 arranged on the rotating member body 42, and the two extension rods 41 are respectively arranged on two sides of the plectrums 5.
The poking piece 5 is connected with the first valve 21, when the poking piece 5 rotates, the first valve 21 is opened or closed according to the position, the poking piece 5 comprises a poking piece body 51 and a protruding portion 52, as shown in fig. 2-3, in this embodiment, the poking piece body 51 is in a pie-shaped semicircular shape, the protruding portion 52 is in a fan shape, and the protruding portion 52 is arranged between the two extension rods 41, so that when the extension rods 41 rotate towards the design direction, the first valve 21 can be opened or closed.
In the multi-sequence fluid pressure maintaining and sampling device carried by the deep sea carrier in this embodiment, when in use, the second chamber 26 is filled with purified water, the inflation plug 6 fills the first chamber 25 with nitrogen gas at a certain pressure, the first piston 23 and the second piston 24 both move towards the third chamber 27 under the action of the pressure of the nitrogen gas, then the piston is lowered into the water, and after reaching a predetermined position, the driving member 3 is controlled to drive the rotating member 4 to rotate the rotating member 4 so that the dial 5 rotates, so that the first valve 21 is opened, the pressure of the third chamber 27 gradually increases under the action of the deep sea pressure, so that the first piston 23 moves towards the first chamber 25, and the liquid in the first sub-chamber 261 moves towards the second sub-chamber 262 according to a set flow rate under the action of the flow limiting member 29, the second piston 24 moves to the first chamber 25 at a certain speed, external fluid enters the third chamber 27 at a corresponding flow rate, finally, when the pressure of the third chamber 27 is balanced with the pressure of the first chamber 25, the pressure of the first chamber 25 is equal to the external pressure, then the driving member 3 drives the rotating member 4 to rotate, the first valve 3 is closed, pressure maintaining sampling is completed, then the driving member 3 drives the rotating member 4 to rotate to the other dial 5, and the steps are repeated during sampling.
The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention in other forms, and any person skilled in the art may apply the above modifications or changes to the equivalent embodiments with equivalent changes, without departing from the technical spirit of the present invention, and any simple modification, equivalent change and change made to the above embodiments according to the technical spirit of the present invention still belong to the protection scope of the technical spirit of the present invention.
Claims (10)
1. The utility model provides a many sequences fluid pressurize sampling device that deep sea carrier carried on, its characterized in that, includes the mounting bracket, and locates a plurality of sampler barrels on the mounting bracket are located a plurality ofly driving piece in the middle of the sampler barrel, with the rotating member that the driving piece is connected, it is a plurality of the sampler barrel is followed the circumference interval of mounting bracket sets up, be equipped with first valve on the sampler barrel, and with the plectrum that first valve is connected, the rotating member with the plectrum corresponds the setting, in order to control through the rotation first valve is opened or is closed.
2. The multi-sequence fluid pressure maintaining and sampling device carried by a deep sea vehicle of claim 1, wherein the paddle comprises a paddle body and a protrusion protruding from the paddle body, the rotating member comprises two extending rods spaced apart from each other, the two extending rods are disposed on two sides of the protrusion, and the first valve is a ball valve.
3. The deep sea vehicle-mounted multiple sequence fluid dwell sampling apparatus of claim 2, wherein the boss is sector-shaped and the paddle body is semi-circular.
4. The multi-sequence fluid pressure-maintaining sampling device carried by the deep sea vehicle of claim 2, wherein the driving member comprises a housing, a motor disposed in the housing, a grating circuit board and a grating plate disposed on one side of an output shaft of the motor, and a control circuit board electrically connected to the grating circuit plate, wherein the grating circuit board and the grating plate are disposed opposite to each other.
5. The multi-sequence fluid pressure-holding sampling device carried by the deep-sea vehicle of claim 4, further comprising a grating fixing plate and a grating circuit fixing plate arranged in the housing, wherein the grating plate is arranged on the grating fixing plate, and the grating circuit board is arranged on the grating circuit fixing plate.
6. The deep sea vehicle mounted multi-sequence fluid dwell sampling apparatus of claim 5, wherein an end of the drive member remote from the output shaft of the motor is provided with a watertight connector and a connection tube communicating with the interior of the housing.
7. The multi-sequence fluid pressure-maintaining sampling device carried by a deep-sea vehicle according to claim 1, wherein the sampling cylinder comprises a cylinder body, a first piston and a second piston which are arranged in the cylinder body at intervals, the first piston and the cylinder body are enclosed to form a first chamber, the first piston, the second piston and the cylinder body are enclosed to form a second chamber, the second piston and the cylinder body are enclosed to form a third chamber, and the third chamber is communicated with a water inlet pipe.
8. The deep sea vehicle-mounted multi-sequence fluid dwell sampling apparatus of claim 7, wherein a connection block is disposed between the first piston and the second piston to divide the second chamber into a first sub-chamber and a second sub-chamber, and a flow restriction is disposed on the connection block to communicate the first sub-chamber and the second sub-chamber.
9. The multi-sequence fluid dwell sampling device carried by a deep sea vehicle of claim 8, wherein the flow restriction comprises a first through hole provided on the connection block to communicate the first sub-chamber and the second sub-chamber, and two damping holes provided at both ends of the first through hole.
10. The multi-sequence fluid pressure holding sampling device carried by a deep sea vehicle of claim 1, wherein an end of the cylinder near the first piston is provided with an inflation plug.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110204211.7A CN112985909B (en) | 2021-02-23 | 2021-02-23 | Multi-sequence fluid pressure-maintaining sampling device carried by deep sea carrier |
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| CN202110204211.7A CN112985909B (en) | 2021-02-23 | 2021-02-23 | Multi-sequence fluid pressure-maintaining sampling device carried by deep sea carrier |
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| CN112985909A true CN112985909A (en) | 2021-06-18 |
| CN112985909B CN112985909B (en) | 2023-09-26 |
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| CN118376449A (en) * | 2024-06-26 | 2024-07-23 | 环球海洋工程(天津)有限公司 | Sea valve with sampling function |
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| Publication number | Publication date |
|---|---|
| CN112985909B (en) | 2023-09-26 |
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