CN110286000A - A kind of fluid sample Suction filtration device and its application method based on ROV - Google Patents
A kind of fluid sample Suction filtration device and its application method based on ROV Download PDFInfo
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- CN110286000A CN110286000A CN201910639278.6A CN201910639278A CN110286000A CN 110286000 A CN110286000 A CN 110286000A CN 201910639278 A CN201910639278 A CN 201910639278A CN 110286000 A CN110286000 A CN 110286000A
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- 239000012530 fluid Substances 0.000 title claims abstract description 79
- 238000000967 suction filtration Methods 0.000 title claims abstract description 30
- 238000000034 method Methods 0.000 title claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 80
- 239000000523 sample Substances 0.000 claims abstract description 64
- 238000001514 detection method Methods 0.000 claims abstract description 34
- 239000013535 sea water Substances 0.000 claims abstract description 34
- 238000001914 filtration Methods 0.000 claims abstract description 25
- 239000002184 metal Substances 0.000 claims abstract description 10
- 229910052751 metal Inorganic materials 0.000 claims abstract description 10
- 238000007789 sealing Methods 0.000 claims description 19
- 238000011065 in-situ storage Methods 0.000 claims description 7
- 238000001228 spectrum Methods 0.000 claims description 7
- 239000000284 extract Substances 0.000 claims description 3
- 238000011010 flushing procedure Methods 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims 1
- 239000010931 gold Substances 0.000 claims 1
- 229910052737 gold Inorganic materials 0.000 claims 1
- 239000003921 oil Substances 0.000 description 33
- 238000001069 Raman spectroscopy Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009189 diving Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
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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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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/34—Purifying; Cleaning
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/255—Details, e.g. use of specially adapted sources, lighting or optical systems
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- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Molecular Biology (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention belongs to a kind of fluid sample Suction filtration device and its application method based on ROV, filtering oil cylinder includes water vat and oil cylinder, two hydraulic interfaces of oil cylinder are connected with hydraulic power supply, control the flexible of oil cylinder, one in two interfaces of water vat is connected with reversal valve, another is connected to extraneous seawater；Two hydraulic ports of reversal valve are connected with hydraulic power supply, control reversal valve commutation, and one in another two hydraulic port is connected with spectroscopic probe head, another is connected to extraneous seawater；Underwater barometer, which is connected to, to be filtered between oil cylinder and reversal valve；Reversal valve is controlled, the water vat for filtering oil cylinder is made to be connected with spectroscopic probe head, oil cylinder is flexible, water vat is interior realizes the detection of sample so that extraneous seawater be made to enter or be discharged spectrographic detection chamber from spectroscopic probe head in positive pressure or negative pressure；After reversal valve commutation, back flush metal filtration head may be implemented.The present invention can complete the suction filtration function of fluid sample under conditions of external hydraulic power supply, and realize back flush function.
Description
Technical field
The invention belongs to the in-situ Raman spectrographic detection field of deep-sea laser Raman spectroscopy detection system, specifically one
Kind auxiliary completes the fluid sample Suction filtration device and its application method based on ROV of Deep-sea Fluid sample In situ spectroscopic detection.
Background technique
Currently, the flow injecting mode detected for the In situ spectroscopic of Deep-sea Fluid sample is mostly to flow freely over optical window
Mouthful, effective extraction of such mode fluid sample relatively difficult to achieve；Also, due in fluid certain detecting objects and surrounding sea
There are concentration difference, the concentration that free diffusing will lead to the detecting objects in fluid changes water.Therefore, it is taken out in fluid sample
The leakproofness for needing to consider fluid sample access during filter avoids fluid sample from influencing the dense of detecting objects with sea water mixing
Degree.Flow injecting mode is also required to change, and is changed to from traditional optical window that flows freely over deep-sea ROV (remotely pilotless diving
Device) hydraulic driving mode, but it is noted that the leakproofness of device avoids the pollution of hydraulic oil fluid samples, while being also contemplated that anti-
To functions such as extracting seawater flushers.Above situation determines under the complex environment of deep-sea, needs to take out conventional fluid sample
Filter device is improved insufficient of both input mode and driving method to overcome.
Summary of the invention
For deficiency present in above-mentioned Deep-sea Fluid input mode and driving method, the purpose of the present invention is to provide one
Kind can be in the fluid sample Suction filtration device and its application method based on ROV that deep-sea complex condition uses.
The purpose of the present invention is achieved through the following technical solutions:
Suction filtration device of the invention includes filtering oil cylinder, underwater barometer, two position three way directional control valve and external hydraulic dynamic
Power source and spectroscopic probe head, wherein filtering oil cylinder is divided into water vat and oil cylinder, two on the oil cylinder connect mouth and pass through fluid pressure line A respectively
And fluid pressure line B connect and be formed into a loop with the hydraulic power supply, control filter oil cylinder piston rod it is flexible, on the water vat
One connect mouth and be connected to extraneous seawater, another connects mouth and passes through connecting line is connected to the two position three way directional control valve, described
Underwater barometer is connected between the water vat and two position three way directional control valve for filtering oil cylinder；It is set respectively on the two position three way directional control valve
There are connector A, connector B, connector C and connector D, connector A and connector B pass through fluid pressure line C and fluid pressure line D respectively and move with hydraulic
Power source connects and is formed into a loop, controls two position three way directional control valve commutation, and the connector D is visited by fluid pressure line E and the spectrum
Head is connected, and the connector C is connected to extraneous seawater；
Wherein: the suction filtration oil cylinder includes rear end lid, cylinder block, piston rod, jointing body, water vat cylinder body and has
Stem cover, the both ends of the jointing body are tightly connected with one end of cylinder block and one end of water vat cylinder body respectively, the oil
The other end of cylinder cylinder body is sealedly connected with rear end lid, and the other end of the water vat cylinder body is sealedly connected with rod end lid, described
Piston rod is placed in cylinder block and water vat cylinder body, and is passed through by the jointing body, slided with jointing body sealing
Dynamic connection, the output end of the piston rod are pierced by by rod end lid, are slidably connected with rod end lid sealing；
It is respectively equipped on the cylinder block and meets mouth A with what is be connected to inside cylinder block and meet mouth B, this meets mouth A and passes through institute
It states fluid pressure line A to be connected to hydraulic power supply, the mouth B that connects is connected to by fluid pressure line B with hydraulic power supply, and then is formed back
Road；
Be respectively equipped on the water vat cylinder body be connected to water vat cylinder interior meet mouth C and meet mouth D, this meets mouth C and extraneous
Seawater connection, the mouth D that connects are connected to by connecting line with the two position three way directional control valve；
The connecting line is divided into connecting line A and connecting line B, and one end of connecting line A and the mouth D that connects connect
Logical, the other end is connected to an interface of threeway, and second interface of the threeway is changed by connecting line B and the two-position three way
It is connected to valve, the underwater barometer is connected to the third interface of threeway；
The piston rod is divided into drive end piston rod and actuating station piston rod, and one end of the drive end piston rod is placed in institute
It states in cylinder block, the other end is passed through by the jointing body, is slidably connected with jointing body sealing；The actuating station
Piston rod is placed in water vat cylinder body, and one end is connected with the other end of the drive end piston rod, the other end as output end by
Rod end lid is pierced by, is slidably connected with rod end lid sealing；
Between the rear end lid and cylinder block, rod end lid and water vat cylinder body, jointing body and cylinder block it
Between and jointing body and water vat cylinder body between be sealing be threadedly coupled；One end of the drive end piston rod and oil cylinder
It is equipped with support ring and O-ring seal between internal wall, support ring and O-ring seal are equipped between the other end and jointing body；
Support ring and O-ring seal, the other end and rod end are equipped between one end and water vat inboard wall of cylinder block of the actuating station piston rod
Support ring and O-ring seal are equipped between lid；
The present invention is based on the application methods of the fluid sample Suction filtration device of ROV are as follows:
The hydraulic power supply driving filters cylinder action, keeps piston rod flexible, and hydraulic power supply driving described two
Three-way diverter valve commutation cooperates the flexible of the piston rod, realizes that the spectroscopic probe head original position draw fluid sample enters spectrum
Detection cavity carries out spectrographic detection, the reversed external world's seawater that extracts is rinsed the metal filtration head of spectroscopic probe head front end；
Fluid sample filters entering light spectrum detection cavity and carries out spectrographic detection and be discharged outside to: the hydraulic power supply driving is taken out
The piston rod of oil strain cylinder retracts, and is in negative pressure in the water vat, so that fluid sample be made to enter spectrographic detection chamber simultaneously by metal filtration head
Enter in the water vat through fluid pressure line E, connector D, two position three way directional control valve, connecting line, obtains be trapped in the process
The In situ spectroscopic of the intracavitary fluid sample of spectrographic detection；Then, the hydraulic power supply driving two position three way directional control valve commutation, is changed
Backward, hydraulic power supply be driven in the reverse direction filter oil cylinder piston rod stretch out, extraneous seawater by be connected to extraneous seawater connect mouth into
Enter water vat, be in positive pressure in water vat, the fluid sample in water vat is arranged outward through connecting line, two position three way directional control valve, connector C
Boundary；
Back flush procedure: the hydraulic power supply driving two position three way directional control valve commutation, driving filter the piston of oil cylinder
Bar retracts, and is in negative pressure in water vat, and extraneous seawater enters in the water vat through connector C, two position three way directional control valve, connecting line；So
Afterwards, the hydraulic power supply drives two position three way directional control valve to commutate again, and the piston rod that driving filters oil cylinder stretches out, and is in water vat
Positive pressure, the seawater in water vat flow into the spectrum of spectroscopic probe head through connecting line, two position three way directional control valve, connector D, fluid pressure line E
In detection cavity, heel row is washed outwardly to metal filtration primary drying；
When the two position three way directional control valve is in initial position, the spectrographic detection chamber of spectroscopic probe head passes through fluid pressure line E, connects
Head D, two position three way directional control valve, connecting line are connected to the water vat for filtering oil cylinder；The two position three way directional control valve is by hydraulic power
After the driving commutation of source, the water vat for filtering oil cylinder is connected by connecting line, two position three way directional control valve, connector C and extraneous seawater
It is logical.
Advantages of the present invention and good effect are as follows:
Suction filtration device simple structure and reasonable design of the present invention can be completed under conditions of external hydraulic power supply supplies
The suction filtration and back flush function of deep-sea (depth is up to 3000 meter levels) fluid sample, are taken out fluid sample by metal filtration head
Enter spectrographic detection chamber, on the one hand avoids influence of the solid particulate matter to spectrographic detection in fluid, it on the other hand can also be to avoid original
The influence of seawater being mixed into spectrum when the detection of position.
Detailed description of the invention
Fig. 1 is the overall structure diagram of Suction filtration device of the present invention；
Fig. 2 is the internal structure cross-sectional view that oil cylinder is filtered in Fig. 1；
Wherein: 1 is hydraulic power supply, and 2 be spectroscopic probe head, and 3 is filter oil cylinder, and 301 be rear end lid, and 302 be oil cylinder
Body, 303 be drive end piston rod, and 304 be jointing body, and 305 be water vat cylinder body, and 306 be support ring, and 307 be O-shaped sealing
Circle, 308 be actuating station piston rod, and 309 be rod end lid, and 310 is meet mouth A, and 311 is meet mouth B, and 312 is meet mouth C, and 313 be to connect mouth
D, 4 be underwater barometer, and 5 be two position three way directional control valve, and 501 be connector A, and 502 be connector B, and 503 be connector C, and 504 be connector
D, 601 be fluid pressure line A, and 602 be fluid pressure line B, and 603 be fluid pressure line C, and 604 be fluid pressure line D, and 605 be fluid pressure line E,
7 be threeway, and 801 be connecting line A, and 802 be connecting line B, and 9 be metal filtration head, and 10 be spectrographic detection chamber.
Specific embodiment
The invention will be further described with reference to the accompanying drawing.
As shown in Figure 1 and Figure 2, Suction filtration device of the invention includes filtering oil cylinder 3, underwater barometer 4, two-position three way commutation
Valve 5 and external hydraulic power supply 1 and spectroscopic probe head 2 divide wherein filtering oil cylinder 3 for water vat and oil cylinder, two on the oil cylinder
Connect mouth pass through respectively fluid pressure line A601 and fluid pressure line B602 connect and be formed into a loop with hydraulic power supply 1, control suction filtration oil
The piston rod of cylinder 3 is flexible, and one on water vat connects mouth and is connected to extraneous seawater, another connects mouth and passes through connecting line and two three
Logical reversal valve 5 is connected to.Underwater barometer 4 is connected between the water vat and two position three way directional control valve 5 for filtering oil cylinder 3, with two three
Logical reversal valve 5 and suction filtration oil cylinder 3 constitute pressure circuit, to indicate pressure difference, when carrying out the movement such as actual sample suction filtration for deep-sea
Reference is provided.Connector A501, connector B502, connector C503 and connector D504, the connector are respectively equipped on two position three way directional control valve 5
A501 and connector B502 pass through respectively fluid pressure line C603 and fluid pressure line D604 connect and be formed into a loop with hydraulic power supply 1,
Control two position three way directional control valve commutation, connector D504 is connected by fluid pressure line E605 with spectroscopic probe head 2, connector C503 with outside
The connection of boundary's seawater.
The suction filtration oil cylinder 3 of the present embodiment include rear end lid 301, cylinder block 302, piston rod, jointing body 304,
Water vat cylinder body 305 and rod end lid 309, the both ends of the jointing body 304 respectively with one end of cylinder block 302 and water vat cylinder
One end of body 305, which seals, to be threadedly coupled, and the other end sealing of cylinder block 302 is threaded with rear end lid 301, water vat cylinder body
305 other end sealing is threaded with rod end lid 309.Between rear end lid 301 and cylinder block 302, rod end lid 309
Sealing is realized by O-ring seal 307 between water vat cylinder body 305.Piston rod is placed in cylinder block 302 and water vat cylinder body
It in 305, and passed through by jointing body 304, be slidably connected with the jointing body 304 sealing, the output end of piston rod is by having
Stem cover 309 is pierced by, is slidably connected with the rod end lid 309 sealing.The piston rod of the present embodiment is divided into drive end piston rod 303
And actuating station piston rod 308, one end of the drive end piston rod 303 are placed in cylinder block 302, the other end is by jointing
Body 304 passes through, is slidably connected with the jointing body 304 sealing.Actuating station piston rod 308 is placed in water vat cylinder body 305, and one
End is connected with the other end of drive end piston rod 303, and the other end is pierced by as output end by rod end lid 309 and the rod end
The sealing of lid 309 is slidably connected.Between jointing body 304 and cylinder block 302 and jointing body 304 and water vat cylinder body
Sealing is realized by O-ring seal 307 between 305.Between 302 inner wall of one end and cylinder block of drive end piston rod 303
Equipped with support ring 306 and O-ring seal 307, support ring 306 and O-ring seal are equipped between the other end and jointing body 304
307.Support ring 306 and O-ring seal 307 are equipped between 305 inner wall of one end and water vat cylinder body of actuating station piston rod 308, separately
Support ring 306 and O-ring seal 307 are equipped between one end and rod end lid 309.
Be respectively equipped on the cylinder block 302 of the present embodiment be connected to inside cylinder block 302 meet mouth A310 and connect mouth
B311, this meets mouth A310 and is connected to by fluid pressure line A601 with hydraulic power supply 1, meets mouth B311 and passes through fluid pressure line B602 and liquid
Pressure power source 1 is connected to, and then is formed into a loop.It is respectively equipped on the water vat cylinder body 305 of the present embodiment and connects with inside water vat cylinder body 305
Logical to meet mouth C312 and meet mouth D313, this meets mouth C312 and is connected to extraneous seawater, meets mouth D313 and passes through connecting line and two three
Logical reversal valve 5 is connected to.The connecting line of the present embodiment is divided into connecting line A801 and connecting line B802, connecting line A801
One end be connected to mouth D313 is met, the other end is connected to an interface of threeway 7, and second interface of the threeway 7 passes through connection
Pipeline B802 is connected to two position three way directional control valve 5, and underwater barometer 4 is connected to the third interface of threeway 7.
Two position three way directional control valve 5 of the invention is the prior art.
The application method of Suction filtration device of the present invention are as follows:
The driving of hydraulic power supply 1 filters oil cylinder 3 and acts, and keeps piston rod flexible, is in positive pressure or negative pressure in water vat, to make outer
Boundary's seawater enters from spectroscopic probe head 2 or is expelled to by water vat the spectrographic detection chamber 10 of spectroscopic probe head 2, realizes that spectroscopic probe head 2 is former
Position draw fluid sample enters spectrographic detection chamber 10 and carries out spectrographic detection.When hydraulic power supply 1 drives two position three way directional control valve 5 to change
Backward, cooperate the flexible of piston rod, the reversed external world's seawater that extracts is rinsed the metal filtration head 9 of 2 front end of spectroscopic probe head.Tool
Body are as follows:
When two position three way directional control valve 5 is in initial position, the spectrographic detection chamber 10 of spectroscopic probe head 2 passes through fluid pressure line
E605, it connector D504, two position three way directional control valve 5, connecting line B802, threeway 7, connecting line A801, meets mouth D313 and filters
The water vat of oil cylinder 3 is connected to.After two position three way directional control valve 5 is by the driving commutation of hydraulic power supply 1, the water vat of oil cylinder 3 is filtered by connecing
Mouth D313, connecting line A801, threeway 7, connecting line B802, two position three way directional control valve 5, connector C503 and extraneous seawater connect
It is logical.
Fluid sample filters entering light spectrum detection cavity 10 and carries out spectrographic detection and be discharged outside to: the driving of hydraulic power supply 1 is taken out
The drive end piston rod 303 of oil strain cylinder 3 drives actuating station piston rod 305 to retract, and is in negative pressure in water vat, thus make fluid sample by
Spectrographic detection chamber 10 is through fluid pressure line E605, connector D504, two position three way directional control valve 5, connecting line B802, threeway 7, connecting tube
Road A801, it meets mouth D313 and enters in water vat, In situ spectroscopic spy is carried out to the fluid sample in spectrographic detection chamber 10 in the process
It surveys.Then, hydraulic power supply 1 drives two position three way directional control valve 5 to commutate, and after commutation, hydraulic power supply 1 is driven in the reverse direction suction filtration oil cylinder
3 drive end piston rod 303 drives actuating station piston rod 305 to stretch out, and extraneous seawater meets mouth C312 by what is be connected to extraneous seawater
Into water vat, it is in positive pressure in water vat, the fluid sample in water vat is connect into mouth D313, connecting line A801, threeway 7, connecting tube
Road B802, two position three way directional control valve 5, connector C503 row are outwardly.
Back flush procedure: hydraulic power supply 1 drives two position three way directional control valve 5 to commutate, and driving filters the drive end of oil cylinder 3
Piston rod 303 drives actuating station piston rod 305 to retract, and is in negative pressure in water vat, and extraneous seawater commutates through connector C503, two-position three way
Valve 5, threeway 7, connecting line A801, meets mouth D313 and enters in water vat connecting line B802.Then, hydraulic power supply 1 drives again
Dynamic two position three way directional control valve 5 commutates, and the drive end piston rod 303 that driving filters oil cylinder 3 drives actuating station piston rod 305 to stretch out,
It is in positive pressure in water vat, the seawater in water vat is met mouth D313, connecting line A801, threeway 7, connecting line B802, two-position three way
Reversal valve 5, connector D504, fluid pressure line E605 are flowed into the spectrographic detection chamber 10 of spectroscopic probe head 2, are rinsed to metal filtration head 9
Heel row is outwardly.
The present invention can complete the suction filtration function of fluid sample under conditions of external hydraulic power supply, and realize back flush
Function.
Claims (10)
1. a kind of fluid sample Suction filtration device based on ROV, it is characterised in that: including filter oil cylinder (3), underwater barometer (4),
Two position three way directional control valve (5) and external hydraulic power supply (1) and spectroscopic probe head (2), wherein filter oil cylinder (3) be divided into water vat and
Oil cylinder, two on the oil cylinder connect mouth and pass through fluid pressure line A (601) and fluid pressure line B (602) and the hydraulic power supply respectively
(1) piston rod for connecting and being formed into a loop, control suction filtration oil cylinder (3) is flexible, and one on the water vat connects mouth and extraneous seawater
Connection, another connects mouth and is connected to by connecting line with the two position three way directional control valve (5), underwater barometer (4) connection
Between the water vat and two position three way directional control valve (5) for filtering oil cylinder (3)；It is respectively equipped with and connects on the two position three way directional control valve (5)
Head A (501), connector B (502), connector C (503) and connector D (504), connector A (501) and connector B (502) pass through liquid respectively
Pressure pipe road C (603) and fluid pressure line D (604) connect and are formed into a loop with hydraulic power supply (1), control two position three way directional control valve
Commutation, the connector D (504) are connected by fluid pressure line E (605) with the spectroscopic probe head (2), the connector C (503) and
Extraneous seawater connection.
2. the fluid sample Suction filtration device based on ROV according to claim 1, it is characterised in that: suction filtration oil cylinder (3) packet
Include rear end lid (301), cylinder block (302), piston rod, jointing body (304), water vat cylinder body (305) and rod end lid
(309), the both ends of the jointing body (304) are close with one end of one end of cylinder block (302) and water vat cylinder body (305) respectively
Envelope connection, the other end of the cylinder block (302) is sealedly connected with rear end lid (301), the water vat cylinder body (305) it is another
One end is sealedly connected with rod end lid (309), and the piston rod is placed in cylinder block (302) and water vat cylinder body (305), and
It passed through by the jointing body (304), be slidably connected with the jointing body (304) sealing, the output end of the piston rod
It is pierced by by rod end lid (309), is slidably connected with the rod end lid (309) sealing.
3. the fluid sample Suction filtration device based on ROV according to claim 2, it is characterised in that: the cylinder block (302)
On be respectively equipped with and meet mouth A (310) with what is be connected to inside cylinder block (302) and connect mouth B (311), this meets mouth A (310) and passes through institute
Fluid pressure line A (601) is stated to be connected to hydraulic power supply (1), it is described connect mouth B (311) pass through it is fluid pressure line B (602) and hydraulic dynamic
Power source (1) connection, and then be formed into a loop.
4. the fluid sample Suction filtration device based on ROV according to claim 2, it is characterised in that: the water vat cylinder body (305)
On be respectively equipped with and meet mouth C (312) with what is be connected to inside water vat cylinder body (305) and connect mouth D (313), this connects mouth C (312) and the external world
Seawater connection, described connect mouth D (313) are connected to by connecting line with the two position three way directional control valve (5).
5. the fluid sample Suction filtration device based on ROV according to claim 4, it is characterised in that: the connecting line is divided into
Connecting line A (801) and connecting line B (802), one end of connecting line A (801) are connected to the mouth D (313) that connects, separately
One end is connected to an interface of threeway (7), and second interface of the threeway (7) passes through connecting line B (802) and described two
Three-way diverter valve (5) connection, the underwater barometer (4) are connected to the third interface of threeway (7).
6. the fluid sample Suction filtration device based on ROV according to claim 2, it is characterised in that: the piston rod is divided into master
Moved end piston rod (303) and actuating station piston rod (308), one end of the drive end piston rod (303) are placed in the oil cylinder
In body (302), the other end is passed through by the jointing body (304), is slidably connected with the jointing body (304) sealing；Institute
It states actuating station piston rod (308) to be placed in water vat cylinder body (305), the other end of one end and the drive end piston rod (303)
It is connected, the other end is pierced by by rod end lid (309) as output end, is slidably connected with the rod end lid (309) sealing.
7. the fluid sample Suction filtration device based on ROV according to claim 6, it is characterised in that: the rear end lid (301)
Between cylinder block (302), rod end lid (309) and water vat cylinder body (305), jointing body (304) and cylinder block
It (302) is that sealing is threadedly coupled between and between jointing body (304) and water vat cylinder body (305)；The drive end is living
Support ring (306) and O-ring seal (307), the other end are equipped between one end and cylinder block (302) inner wall of stopper rod (303)
Support ring (306) and O-ring seal (307) are equipped between jointing body (304)；The actuating station piston rod (308)
Support ring (306) and O-ring seal (307), the other end and rod end lid are equipped between one end and water vat cylinder body (305) inner wall
(309) support ring (306) and O-ring seal (307) are equipped between.
8. a kind of application method of the fluid sample Suction filtration device described in claim 1 to 7 any claim based on ROV,
Be characterized in that: hydraulic power supply (1) driving filters oil cylinder (3) movement, keeps piston rod flexible, which drives
The two position three way directional control valve (5) commutation is moved, the flexible of the piston rod is cooperated, realizes that the spectroscopic probe head (2) is drawn in situ
Fluid sample enters spectrographic detection chamber (10) and carries out spectrographic detection, the reversed external world's seawater that extracts to the gold of spectroscopic probe head (2) front end
Belong to filtering head (9) to be rinsed.
9. application method according to claim 8, it is characterised in that: specifically:
Fluid sample filters entering light spectrum detection cavity (10) and carries out spectrographic detection and be discharged outside to: the hydraulic power supply (1) is driven
The dynamic piston rod for filtering oil cylinder (3) retracts, and is in negative pressure in the water vat, so that fluid sample be made to enter light by metal filtration head (9)
Compose detection cavity (10) and through described in fluid pressure line E (605), connector D (504), two position three way directional control valve (5), connecting line entrance
In water vat, the In situ spectroscopic for the fluid sample being trapped in spectrographic detection chamber (10) is obtained in the process；Then, described hydraulic
Power source (1) drives two position three way directional control valve (5) commutation, and after commutation, hydraulic power supply (1), which is driven in the reverse direction, filters oil cylinder (3)
Piston rod stretches out, and it is in positive pressure in water vat, by the fluid in water vat that extraneous seawater, which enters water vat by the mouth that connects being connected to extraneous seawater,
Sample is arranged outwardly through connecting line, two position three way directional control valve (5), connector C (503)；
Back flush procedure: hydraulic power supply (1) driving two position three way directional control valve (5) commutation, driving filter oil cylinder (3)
Piston rod retracts, and is in negative pressure in water vat, and extraneous seawater enters institute through connector C (503), two position three way directional control valve (5), connecting line
It states in water vat；Then, the hydraulic power supply (1) drives two position three way directional control valve (5) to commutate again, and driving filters oil cylinder (3)
Piston rod stretch out, be in positive pressure in water vat, the seawater in water vat is through connecting line, two position three way directional control valve (5), connector D
(504), fluid pressure line E (605) is flowed into the spectrographic detection chamber (10) of spectroscopic probe head (2), rinses heel row to metal filtration head (9)
Outwardly.
10. application method according to claim 9, it is characterised in that: the two position three way directional control valve (5) is in initial bit
When setting, the spectrographic detection chamber (10) of spectroscopic probe head (2) passes through fluid pressure line E (605), connector D (504), two position three way directional control valve
(5), connecting line is connected to the water vat for filtering oil cylinder (3)；The two position three way directional control valve (5) is driven by hydraulic power supply (1)
After commutation, the water vat for filtering oil cylinder (3) passes through connecting line, two position three way directional control valve (5), connector C (503) and external world sea
Water connection.
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