CN102967490A - Real-time water sample acquiring system and method - Google Patents
Real-time water sample acquiring system and method Download PDFInfo
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- CN102967490A CN102967490A CN2012104806075A CN201210480607A CN102967490A CN 102967490 A CN102967490 A CN 102967490A CN 2012104806075 A CN2012104806075 A CN 2012104806075A CN 201210480607 A CN201210480607 A CN 201210480607A CN 102967490 A CN102967490 A CN 102967490A
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Abstract
The invention discloses a real-time water sample acquiring system which comprises a towed body arranged in a sampling water area, a water sampling pipe, a water sampling device, a hydrological parameter detector and a location device, wherein the water inlet end of the water sampling pipe is arranged on the front end of the towed body; the water sampling device is communicated with the water outlet end of the water sampling pipe, and is used for acquiring a water sample through the water sampling pipe; the hydrological parameter detector is used for detecting hydrological parameters of the sampling water area; and the location device is used for obtaining geographical location information of the sampling water area. The real-time water sample acquiring system can be used for acquiring a water sample suitable for trace analysis, can continuously work when a ship is in a sailing state and can also be used for recording hydrological data and location information of the water sample in real time. The invention also provides a real-time water sample acquiring method. According to the invention, hydrological data such as temperature, salinity and depth are monitored in real time while the water sample is acquired, and a real-time and synchronous water sampling sailing track is obtained through a global positioning system and data acquisition. The system and the method meet the requirement of trace analysis sampling and dynamic continuous sampling and further provide detailed real-time sailing track and hydrological information.
Description
Technical field
The invention belongs to trace analysis chemistry and environmental science, relate in particular to a kind of real-time water sampling system and acquisition method thereof.
Background technology
Gathering natural water-like sample (comprising: river, lake, ocean etc.), and its every physics and chemistry index is analyzed, is physics, chemistry, the biology for natural water-like, and the important content of Research of Environmental Sciences.The complicacy of natural water-like medium has very high requirement to accuracy and the accuracy of sample collection and analysis.Collecting without the water sample sample that stains is the necessary precondition that truly reflects sample characteristic, also just water sampling system has been proposed requirements at the higher level.At present the commercially available water sampling system overwhelming majority belongs to fixed point and adopts the water type, namely under bank or boats and ships halted state, by stationary rope be connected with hydrophore connection, transfer, reclaim, trigger the water sampling that realizes predetermined depth by machinery or electric signal.This technology has had obvious improvement in the past few decades, the dark measuring instrument of thermohaline and hydrophore binding can be realized accurate sampling depth control such as Go-Flo or Niskin, and realize automatic sampling by sheathed cable.But for the collection of superficial water sample since exist such as: the problems such as hull contaminations, superficial water pollution, existing water sampling system can not satisfy without the contamination, the continuous acquisition sample demand.In recent years, domestic have invention to report some towing type navigation water samplers, comprise that the sensor that utilizes in the towed body and submersible pump realize adopting the controlled continuous water sample acquisition device of water depth, but all can't overcome the potential contamination problem in the water sample gatherer process, and can't obtain in real time in the sample collection process boats and ships track of walking to navigate, and the important hydrologic parameter such as temperature, salinity.
Summary of the invention
The present invention proposes a kind of real-time water sampling system, comprising:
Towed body, it places the sampling waters;
Water gathering tube, its water inlet end is arranged on the front end of described towed body, and it is used for transmitting water sample from the sampling waters;
Water sampling device, it is communicated with the water side of described water gathering tube; Described water sampling device gathers water sample by described water gathering tube from the sampling waters;
The hydrologic parameter detector, it is inner that it is arranged on described towed body, is used for surveying the hydrologic parameter in described sampling waters;
Locating device, it is used for obtaining the geographical location information in described sampling waters;
Described system when gathering water sample Real-time Collection hydrologic parameter and the geographical location information in described sampling waters.
Wherein, the water inlet end of described water gathering tube stretches out from the front end of described towed body.
Wherein, liner Teflon material coating in the described water gathering tube.
Wherein, further comprise supporting construction; Described supporting construction one end is arranged on the hull, and the other end is fixedly connected with and draws described towed body, and described supporting construction is kept at a distance the water inlet end of described water gathering tube and described hull.
Wherein, the water inlet end of described water gathering tube is apart from least 5 meters of hulls.
Wherein, further comprise data processor; Described data processor and described hydrologic parameter detector and described locating device realize that signal is connected, and described data processor is used for hydrologic parameter that the described hydrologic parameter detector of real time record records and the geographical location information of described locating device acquisition.
Wherein, described water sampling device comprises:
Water tank, it is communicated with described water gathering tube, the water sample that storage gathers from described water gathering tube;
Airtight two-way valve, it is connected with described water tank, controls the impermeability of described water tank;
The draining two-way valve, it is connected with described water tank, controls described water tank conveying water sample wherein;
Sample bottle, relatively described draining two-way valve arranges, the water sample that storage is exported from described water tank;
Vacuum pump, it utilizes drinking-water pipe to be communicated with described water tank through T-valve, is used for water sample is entered described water tank by described water gathering tube extracting;
Peristaltic pump, it utilizes described drinking-water pipe to be communicated with siphon extracting water sample with described water tank by described T-valve.
Wherein, in the described water sampling device, liner Teflon material coating in the described drinking-water pipe; Described airtight two-way valve, draining two-way valve and T-valve are made by the Teflon material.
Wherein, described water sampling device further comprises:
The water sample detection device, it is arranged between described vacuum pump and the described T-valve, whether has flow through described T-valve for detection of water sample.
Further, described water sampling device is placed in the clean environment of boats and ships, avoids adopting that the unclean environment because of water sampling device pollutes water sample in the water process.
The invention allows for a kind of real-time water sample acquisition method, comprising:
Step 1: the water inlet end of described water gathering tube and described hydrologic parameter detector placed be sampled the waters, utilize the described hydrologic parameter that is sampled the waters of described hydrologic parameter detector real-time detection, utilize the described geographical location information that is sampled the waters of described locating device Real-time Obtaining, until the hydrologic parameter that obtains and geographical location information meet sampling request;
Step 2: start the water inlet end of described water sampling device by described water gathering tube and gather water sample the waters from described being sampled, and the hydrologic parameter that is sampled the waters and geographical location information during simultaneously record sampling.
Wherein, in the described step 1, water inlet end and the described hydrologic parameter detector of described water gathering tube is arranged in the described towed body; Described towed body is kept at a distance by described supporting construction and hull and is placed the described waters that is sampled.
Wherein, in the described step 2, the process that gathers water sample comprises:
Steps A 1: close described airtight two-port valve and draining two-port valve, open described vacuum pump and be delivered in the described water tank by described water gathering tube extracting water sample;
Steps A 2: when described water sample detection device detects water sample and flows through described T-valve by described drinking-water pipe, switch described T-valve and be communicated with described peristaltic pump and water tank, and open described peristaltic pump, described peristaltic pump continues the extracting water sample by syphonic effect;
Steps A 3: close described T-valve and peristaltic pump, open described airtight two-port valve and draining two-port valve, the water sample of required collection flows in the described sample bottle by described draining two-port valve.
Wherein, before described step 1, described water gathering tube, water tank and sample bottle are carried out pickling and cleaning.
The real-time water sampling system that the present invention proposes, that a kind of towing of dynamically adopting continuously water pump extraction type of walking to navigate is applicable to the water sampling system of trace analysis, can walk to carry out water sampling under the boat state at boats and ships, be recorded in real time at away boats and ships in the boat sampling process track of walking to navigate, the hydrologic parameters such as Real-Time Monitoring temperature, salinity, the degree of depth are applicable to collection and the analysis of trace element in the natural water body simultaneously.
Beneficial effect of the present invention comprises that the inside pipe wall of water gathering tube and drinking-water pipe all adopts teflon coatings, and airtight two-port valve and draining two-port valve also all adopt the Teflon material to make.The Teflon material is the very little material that is applicable to trace analysis of adsorption, through guaranteeing the non-cohesive as far as possible pollutant in its surface after strict the cleaning.Secondly, water gathering tube, water tank and sample bottle strictly clean through strict trace analysis chemical standard before drawing water, and guarantee can not cause contamination to water sample.In addition, utilization of the present invention makes towed body away from hull from the outward extending supporting construction of hull, guarantees to gather wave, engine of boat and ship chilled water and the sanitary sewage that can not be subject to splashing in the hull navigation in the process of water sample and pollutes to water sample.Moreover, the present invention is mounted on the hydrologic parameter detector inside of towed body, preferably, the hydrologic parameter detector is thermohaline deep investigation device, for example, dark (CTD) sensor of thermohaline can continuous probe and gather the hydrologic parameters such as temperature, salinity and the degree of depth of water sample in the waters, towed body place, thereby make the present invention in gathering the water sample process, carry out Real-Time Monitoring to the parameter of water sample, overcome the technical matters that prior art is separated with the collection water sample measuring the waters hydrologic parameter.In addition, among the present invention water inlet end (the adopting the mouth of a river) setting of water gathering tube is extended outside the towed body, thereby guaranteed that the water sample that gathers can not be subject to the pollution of towed body.In the process that towed body is drawn and pulls by hull, namely in the hull traveling process, positioning system is the locating information of Real-time Collection hull present position serially, and this locating information is recorded in the data processor, simultaneously, the measured hydrologic parameter of hydrologic parameter detector that is arranged in the towed body also is recorded in the data processor simultaneously, namely in gathering the water sample process, when gathering water sample, finished the hydrologic parameter in water sampling place and collection and the record of geographical location information.The present invention carries out the hydrographic datas monitorings such as real time temperature, salinity, the degree of depth synchronously gathering water sample, and obtains real-time, the synchronous water track of walking to navigate of adopting by GPS and data acquisition.The present invention had both satisfied as much as possible pollution-free sampling and the dynamically requirement of continuous sampling, and detailed real-time hydrographic information and the track of walking to navigate are provided again on this basis.
Description of drawings
Fig. 1 represents the structural representation of the real-time water sampling system of the present invention.
Fig. 2 represents the synoptic diagram of the towed body in the real-time water sampling system of the present invention.
Fig. 3 represents the synoptic diagram of the supporting construction in the real-time water sampling system of the present invention.
Fig. 4 represents the synoptic diagram of the water sampling device in the real-time water sampling system of the present invention.
Fig. 5 represents the connection diagram of data processor, hydrologic parameter detector and locating device in the real-time water sampling system of the present invention.
Fig. 6 represents the process flow diagram of the real-time water sample acquisition method of the present invention.
Fig. 7 represents the synoptic diagram of water sampling device, supporting construction and towed body among the present invention.
Embodiment
In conjunction with following specific embodiments and the drawings, the present invention is described in further detail.Implement process of the present invention, condition, experimental technique etc., except the following content of mentioning specially, be universal knowledege and the common practise of this area, the present invention is not particularly limited content.
As among Fig. 1 to Fig. 6,1-towed body, 11-ligulate interface, 12-suspension ring handle, 13-through hole, the 14-cruciform tail, the 15-demountable structure, the 16-handle, the 2-supporting construction, 21-supports arm, the 22-wirerope, 3-water sampling device, 31-water tank, the airtight two-way valve of 32-, 33-draining two-way valve, the 34-sample bottle, 35-vacuum pump, 36-T-valve, 37-peristaltic pump, the 38-drinking-water pipe, 39-water sample detection device, 4-hydrologic parameter detector, 41-cable, the 42-power supply, 5-positioning system, 6-data processor, 7-water gathering tube.
What Fig. 1 showed is the structural drawing of the real-time water sampling system of the present invention.The real-time water sampling system of the present invention comprises towed body 1, water sampling device 3, hydrologic parameter detector 4, locating device 5 and water gathering tube 7.The water inlet end of water gathering tube 7 places and is sampled the waters, and water sampling device 3 can gather water sample in the waters by water gathering tube 7.Hydrologic parameter detector 4 places and is sampled the waters, surveys the hydrologic parameter in the waters when being implemented in the sampling water sample.Locating device 5 (for example gps system) is installed on the hull, obtains the geographical location information that hull namely is sampled the waters.Gather water sample, gather hydrologic parameter, obtain locating information and can carry out simultaneously.
The real-time water sampling system of the present invention also further comprises supporting construction 2, data processor 6.
Fig. 2 is towed body 1 structural representation.Towed body 1 adopts the corrosion resistant torpedo structures such as stainless steel, and inside is hollow, and towed body 1 is placed into and is sampled in the waters.Be provided with water gathering tube 7 in the towed body 1, be used for gathering water sample.The water inlet end (adopting the mouth of a river) that is arranged on water gathering tube 7 ends extends outside towed body 1 front end, stretches out certain distance, and for example 5 centimetres, to guarantee and can from waters, towed body 1 place, gather water sample without contamination ground.Preferably, the front end of towed body 1 is provided with tongue line interface 11, and tongue line interface 11 stretches out.Suspension ring handle 12 is installed in the upper surface of towed body 1, is fixedly connected with traction towed body 1 with supporting construction 2 by suspension ring handle 12.The upper surface of towed body 1 arranges through hole 13, and towed body 1 is connected with water sampling device 3 and hull respectively with cable 41 by water gathering tube 7 is set in through hole 13.The afterbody of towed body 1 is equipped with dismountable cruciform tail 14, and the towing attitude of towed body 1 in water adjusted and adjusted to cruciform tail 14.Demountable structure 15 is arranged on the bottom of towed body 1, is used for fixedly hydrologic parameter detector 4.The upper surface of towed body 1 also is provided with two stainless handles 16, is convenient to folding and unfolding and carrying towed body 1.Be provided with hydrologic parameter detector 4 in the towed body 1.
What Fig. 3 showed is the synoptic diagram of supporting construction 2.Supporting construction 2 one ends are fixed on the hull side, and the other end is connected with towed body 1, and towed body 1 is pulled by the traction of hull in the hull traveling process.And supporting construction 2 stretches out from hull, makes towed body 1 and hull keep certain distance, avoids towed body 1 to press close to hull.Supporting construction 2 comprises support arm 21 and wirerope 22.Support arm 21 and adopt corrosion-resistant, the high-strength structures such as stainless steel.Preferably, adopt the support arm 21 of T-shape framed structure, frame mid portion is provided with rotary fixing structure, and base of frame is provided with fixed head.T-shape supports arm 21 and is made of plumb post and horizontal strut.Vertical arm solid welding is connected to hull surely, and horizontal strut is fixed on vertical arm by welding with wirerope 22 and level is stretched out hull one segment distance, for example about 5m.The towed body 1 that the horizontal strut that stretches out ship side of supporting construction 2 has guaranteed to be installed with water gathering tube 7 may operate at outside the wave that hull causes, thus guaranteed the water sample sample that gathers can be applicable to trace analysis.
What Fig. 4 showed is the synoptic diagram of water sampling device 3.Water sampling device 3 comprises by the poly-injection molded water tank 31 of methyl-prop ethene methyl esters (organic glass), airtight two-way valve 32, draining two-way valve 33, vacuum pump 35, peristaltic pump 37, sample bottle 34, T-valve 36 and drinking-water pipe 38.Water gathering tube 7 water inlet ends internally extend towed body 1 front portion greater than 5cm from towed body 1 in the ligulate interface 11 of towed body 1.Water gathering tube 7 water sides connect the water inlet of clean environment (for example hundred grades of clean benches) water tank 31 that places boats and ships.The air entry of vacuum pump 35 is connected by T-valve 36 with the water delivering orifice of water tank 31.Cross the Cheng Qian in the invention process, water gathering tube 7, sample bottle 34, water tank 31, the material of airtight two-way valve 32, draining two-way valve 33, sample bottle 34, T-valve 36 and drinking-water pipe 38 is the material of low adsorption and low Determination of trace element contents, and clean through trace analysis standards such as overpickling, cleanings, guaranteed whole system without the characteristic of staiing.Water sampling device 3 places the clean environment (such as hundred grades of clean benches) of boats and ships in implementation process.The pump housing (such as vacuum pump, submersible pump etc.) contains the parts of metal, metal coating usually, can't clean according to the standard of trace analysis, if in the sample collection process, the water sample contact pump housing then will certainly cause the contamination of sample, impact analysis result and to the judgement of research waters Chemical Background.The water tank 31 of water sample of the present invention places vacuum pump 35 and peristaltic pump 37 front ends, and the water sample that obtains all can not have any contacting with the pump housing, has guaranteed that sample collection avoids staiing the source as much as possible.When vacuum pump 35 running of adopting rearmounted design, the using pump structural reform becomes the vacuum tightness of water tank, and the water sample direct extraction to water tank 31, is avoided sample to contact with vacuum pump 35 and produced contamination.The suction power of peristaltic pump 37 is relatively poor with respect to vacuum pump 35, and rate of water absorption is lower.When system has reached vacuum, and when having water to continue by peristaltic pump 37 then because the syphonic effect of water, peristaltic pump 37 can with pumping in the water tank 31 that water continues, guarantee the continuous acquisition of sample.
What Fig. 5 showed is the connection diagram of data processor of the present invention and hydrologic parameter detector and locating device.Comprise hydrologic parameter detector 4, cable 41, data processor 6, locating device 5 (DGPS), power supply 42.Antenna and the receiver of locating device 5 (DGPS) are installed in the boats and ships top, and Real-time Obtaining ship's navigation track data also reaches data processor 6 by cable 41.Preferably, locating device 5 can transfer to data processor 6 with the ship's navigation track data by radio communication.Hydrologic parameter detector 4 is the CTD sensor, is fixedly installed in the demountable structure 15 in towed body 1 chamber, is used for obtaining the hydrologic parameter data, places water gathering tube 7 water inlet end rears.Hydrologic parameter detector 4 is connected with cable 41, and cable 41 returns to 4 power supplies of hydrologic parameter detector and with the data of hydrologic parameter and transfers to data processor 6.Preferably, hydrologic parameter detector 4 can transfer to data processor 6 with hydrologic parameter by radio communication.Cable 41 comprises a minute poor cable.Breakout cable also obtains data with the CTD sensor and reaches data data processor 6.Power supply 42 is provided by 12V dc battery jar or boat-carrying power supply, can back-up system non-stop run in 24 hours.Data processor 6 is preserved data and the geographical location information of hydrologic parameter detector 4 and the hydrologic parameter of locating device 5 in gatherer process.In the present embodiment, data processor 6 by data acquisition software (for example, the HYPACK acquisition software that navigates), device drives is set with the signal access HYPACK software of CTD sensor and GPS (DGPS) by installation, the realization synchronous data collection is set.HYPACK software can be when water sampling device 3 gathers water samples, and the Real-time Obtaining boats and ships are walked the data such as the temperature, salinity, the degree of depth of real-time ship trajectory in the boat process and underway synchronous water sample.
The present invention is applicable to the analysis of trace element in the natural water body, the water process is adopted in vacuum pump 35 and T-valve 36 controls by deck in ship structure, walk can carry out under the boat state high density, continuously water body example collection at boats and ships, the ship trajectory data and the real-time CTD data that gather water sample are obtained by the data acquisition software in the data processor 6.The present invention can select to gather the water body sample that needs with research institute by resulting real-time CTD information, synchronously ship trajectory data, and the operation of water sampling device 3, can improve sample collection efficient like this, shortens ship time.Among the present invention, CTD information can accurately reflect the underwater penetration of water gathering tube 7 water inlets of water sampling device 3 in real time, can walk speed of a ship or plane degree by adjusting boats and ships, regulates traction reaches the Quality control sampling depth with the means such as length of wirerope 22 purpose.Among the present invention, towed body adopts the resistant materials such as stainless steel, and the structure of torpedo can reduce the towrope resistance in water.Among the present invention, use vacuum pump 35 suctions and gather water samples, water sample and extraneous sealing after adopting water and finishing, being collected in of water sample places hundred grades of clean environments of boats and ships to carry out, and adopts the requirement that the water process can satisfy trace analysis.Among the present invention, water tank 31 adopts pmma material, and water gathering tube 7 adopts the polythene material of liner Teflon, so that water sampling device 3 is adapted at the corrosion environment operation of seawater, also more is fit to without staiing the ground sample collection.
What Fig. 6 showed is the real-time water sample acquisition method of the present invention.Before gathering water sample each parts in the water sampling device 3 are cleaned with the trace analysis chemical standard, guarantee that water sampling device 3 does not gather water sample with staiing.The water inlet end of water gathering tube 7 and hydrologic parameter detector 4 placed be sampled the waters, hydrologic parameter detector 4 is positioned at the rear of the water inlet end of water gathering tube 7.Hydrologic parameter detector 4 Real-time Collections are sampled the hydrologic parameter in waters, locating device 5 obtains the geographical location information that is sampled the waters, until hydrologic parameter and geographical location information are when meeting sampling request, startup water sampling device 3 gathers water sample from the water inlet end of water gathering tube 7 from be sampled the waters, hydrologic parameter and geographical location information in hydrologic parameter detector 4 and the locating device 5 Real-time Obtaining sampling processes, until water sampling device 3 is finished and is gathered and when obtaining water sample, hydrologic parameter and the geographical location information of record sampling process.For example, Hekou Area is the hydrologic parameters such as salinity, temperature, the waters that chemical property is violent.Rely on traditional boats and ships to stop, determine whether to carry out the method for water sample sampling behind the investigation hydrologic parameter, consume very much ship time and human resources.Use real-time water sample acquisition method of the present invention, walk at boats and ships under the state of boat (being that boats and ships are not stopped), water inlet end and the hydrologic parameter detector 4 of water gathering tube 7 placed investigate the waters.Can obtain real-time hydrologic parameter by hydrologic parameter detector 4, walk to finish under the boat state whether gathering the judgement of water sample at boats and ships, and finish and gather and obtain water sample by starting water sampling device 3, simultaneously locating device 5 geographic position that can obtain sampled point.Again for example, in the investigation of carrying out open ocean.Rely on conventional art, the boats and ships that arrive default geographic position are stopped, and carry out the method for sample collection, and retrievable sample collection point is limited, can't carry out boats and ships and walk to get continuous dynamic acquisition under the boat state.Use real-time water sample acquisition method of the present invention, walk under the boat state at boats and ships, the water inlet end of water gathering tube 7 and hydrologic parameter detector 4 are placed the investigation waters.Can start at any time water sampling device 3 and from be sampled the waters, gather water sample from the water inlet end of water gathering tube 7, and by hydrologic parameter and geographical location information in hydrologic parameter detector 4 and the locating device 5 Real-time Obtaining sampling processes.
Specify the workflow of water sampling device 3 in the present embodiment.The water inlet end of the water gathering tube 7 in the water sampling device 3 is arranged at towed body 1 front portion greater than the 5cm place, uses bundle bar and adhesive waterproof tape to fix.The water inlet that the water side of water gathering tube 7 is connected in the water tank 31 of organic glass material connects.Water tank 31 has four openings, is respectively water inlet, water delivering orifice, air intake opening and freeing port.Wherein, air intake opening connects airtight two-way valve 32, and freeing port connects draining two-way valve 33.In the gatherer process, airtight two-way valve 32 and draining two-way valve 33 are closed, according to the real-time water sample information that the CTD sensor provides, determine to open immediately vacuum pump 35 behind the water sampling point, switch three-way valve 36 is communicated with drinking-water pipe 38 and vacuum pump 35.Under the power of vacuum pump 35, water body example is progressively filled with water tank 31 by water gathering tube 7; When beginning water droplet to occur in the water sample detection device 39, show to be full of water sample in the water tank 31, and the water sample T-valve 36 of having flowed through.Switch three-way valve 36 is communicated with drinking-water pipe 38 and peristaltic pump 37, and closes vacuum pump 35.Utilize the syphonic effect of peristaltic pump 37 to continue the extracting water sample.Treat that water sampling finishes, close T-valve 36 and peristaltic pump 37, open the water sample that airtight two-way valve 32 and draining two-way valve 33 will adopt in the water pot 31 and be transferred in the sample bottle 34.So far, finished the collection of water sample.
Protection content of the present invention is not limited to above embodiment.Under the spirit and scope that do not deviate from inventive concept, variation and advantage that those skilled in the art can expect all are included in the present invention, and take appending claims as protection domain.
Claims (13)
1. a real-time water sampling system is characterized in that, comprising:
Towed body (1), it places the sampling waters;
Water gathering tube (7), its water inlet end is arranged on the front end of described towed body (1), and it is used for transmitting water sample from the sampling waters;
Water sampling device (3), its water side with described water gathering tube (7) is communicated with; Described water sampling device (3) gathers water sample by described water gathering tube (7) from the sampling waters;
Hydrologic parameter detector (4), it is arranged on described towed body (1) inside, is used for surveying the hydrologic parameter in described sampling waters; Locating device (5), it is used for obtaining the geographical location information in described sampling waters;
Described system when gathering water sample Real-time Collection hydrologic parameter and the geographical location information in described sampling waters.
2. real-time water sampling system as claimed in claim 1 is characterized in that, the water inlet end of described water gathering tube (7) stretches out from the front end of described towed body (1).
3. real-time water sampling system as claimed in claim 1 is characterized in that, liner Teflon material coating in the described water gathering tube (7).
4. real-time water sampling system as claimed in claim 1 is characterized in that, further comprises supporting construction (2); Described supporting construction (2) one ends are arranged on the hull, and the other end is fixedly connected with and draws described towed body (1), and described supporting construction (2) is kept at a distance the water inlet end of described water gathering tube (7) and described hull.
5. real-time water sampling system as claimed in claim 4 is characterized in that, the water inlet end of described water gathering tube (7) is apart from least 5 meters of hulls.
6. real-time water sampling system as claimed in claim 1 is characterized in that, further comprises data processor (6); Described data processor (6) and described hydrologic parameter detector (4) and described locating device (5) realize that signal is connected, and described data processor (6) is used for hydrologic parameter that the described hydrologic parameter detector of real time record (4) records and the geographical location information of described locating device (5) acquisition.
7. real-time water sampling system as claimed in claim 1 is characterized in that, described water sampling device (3) comprising:
Water tank (31), it is communicated with described water gathering tube (7), the water sample that storage gathers from described water gathering tube (7);
Airtight two-way valve (32), it is connected with described water tank (31), controls the impermeability of described water tank (31);
Draining two-way valve (33), it is connected with described water tank (31), controls described water tank (31) conveying water sample wherein;
Sample bottle (34), relatively described draining two-way valve (33) arranges, the water sample of storage output from described water tank (31);
Vacuum pump (35), it utilizes drinking-water pipe (38) to be communicated with described water tank (31) through T-valve (36), is used for water sample is entered described water tank (31) by described water gathering tube (7) extracting;
Peristaltic pump (37), it utilizes described drinking-water pipe (38) to be communicated with siphon extracting water sample with described water tank (31) by described T-valve (36).
8. real-time water sampling system as claimed in claim 7 is characterized in that, in the described water sampling device (3), and liner Teflon material coating in the described drinking-water pipe (38); Described airtight two-way valve (32), draining two-way valve (33) and T-valve (36) are made by the Teflon material.
9. real-time water sampling system as claimed in claim 7, it is characterized in that, described water sampling device (3) further comprises: water sample detection device (39), it is arranged between described vacuum pump (35) and the described T-valve (36), whether has flow through described T-valve (36) for detection of water sample.
10. a real-time water sample acquisition method is characterized in that, comprising:
Step 1: the water inlet end of described water gathering tube (7) and described hydrologic parameter detector (4) placed be sampled the waters, utilize the described hydrologic parameter that is sampled the waters of described hydrologic parameter detector (4) real-time detection, utilize the described geographical location information that is sampled the waters of described locating device (5) Real-time Obtaining, until the hydrologic parameter that obtains and geographical location information meet sampling request;
Step 2: start the water inlet end of described water sampling device (3) by described water gathering tube (7) and gather water sample the waters from described being sampled, and the hydrologic parameter that is sampled the waters and geographical location information during simultaneously record sampling.
11. real-time water sample acquisition method as claimed in claim 10 is characterized in that, in the described step 1, water inlet end and the described hydrologic parameter detector (4) of described water gathering tube (7) is arranged in the described towed body (1); Described towed body (1) is kept at a distance by described supporting construction (2) and hull and is placed the described waters that is sampled.
12. real-time water sample acquisition method as claimed in claim 10 is characterized in that, in the described step 2, the process that gathers water sample comprises:
Steps A 1: close described airtight two-port valve (32) and draining two-port valve (33), open described vacuum pump (35) and be delivered in the described water tank (31) by described water gathering tube (7) extracting water sample;
Steps A 2: when described water sample detection device (39) detects water sample and flows through described T-valve (36) by described drinking-water pipe (38), switch described T-valve (36) and be communicated with described peristaltic pump (37) and water tank (31), and open described peristaltic pump (37), described peristaltic pump (37) continues the extracting water sample by syphonic effect;
Steps A 3: close described T-valve (36) and peristaltic pump (37), open described airtight two-port valve (32) and draining two-port valve (33), the water sample of required collection flows in the described sample bottle (34) by described draining two-port valve.
13. real-time water sample acquisition method as claimed in claim 10 is characterized in that, before described step 1, described water gathering tube (7), water tank (31) and sample bottle (34) is carried out pickling and cleaning.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210480607.5A CN102967490B (en) | 2012-11-23 | 2012-11-23 | A kind of real-time water sample acquisition system and acquisition method thereof |
Applications Claiming Priority (1)
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| CN103398870A (en) * | 2013-07-17 | 2013-11-20 | 中国科学院广州地球化学研究所 | Ocean environment and sample collection system based on merchant ship carrying |
| CN104316355A (en) * | 2013-12-14 | 2015-01-28 | 西安天厚滤清技术有限责任公司 | Oil sampler |
| CN104567993A (en) * | 2014-12-09 | 2015-04-29 | 浙江省海洋水产研究所 | Vessel-mounted water detection system |
| CN108622312A (en) * | 2018-04-13 | 2018-10-09 | 国家***第海洋研究所 | A kind of scientific investigation ship to deep-sea superficial water continuous sampling |
| CN108759900A (en) * | 2018-03-16 | 2018-11-06 | 山东大学 | Section water sampling and hydrologic parameter measuring device and method are pinpointed in leting speeper hole |
| CN109323737A (en) * | 2018-09-19 | 2019-02-12 | 宁波市机电工业研究设计院有限公司 | Water level measurement method and device |
| CN110576954A (en) * | 2019-08-29 | 2019-12-17 | 自然资源部第二海洋研究所 | A drag formula system for water horizontal and longitudinal section chemical parameter observation |
| CN112747951A (en) * | 2021-01-14 | 2021-05-04 | 自然资源部第一海洋研究所 | Multi-tube-box type integrated sampler suitable for deep sea sediment sampling operation |
| CN114062624A (en) * | 2020-07-31 | 2022-02-18 | 力合科技（湖南）股份有限公司 | Automatic sampling method and system for tidal section of surface water sea entrance |
| CN114518256A (en) * | 2022-01-12 | 2022-05-20 | 中国科学院水生生物研究所 | Environment DNA remote continuous intelligent acquisition system |
| CN115106353A (en) * | 2022-05-16 | 2022-09-27 | 国家***东海海洋环境调查勘察中心 | Automatic wash water historical relic water appearance bottle device |
| CN117370751A (en) * | 2023-09-13 | 2024-01-09 | 浙江天禹信息科技有限公司 | Cross-validation hydrologic data elasticity monitoring method and system |
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| CN103398870A (en) * | 2013-07-17 | 2013-11-20 | 中国科学院广州地球化学研究所 | Ocean environment and sample collection system based on merchant ship carrying |
| CN104316355A (en) * | 2013-12-14 | 2015-01-28 | 西安天厚滤清技术有限责任公司 | Oil sampler |
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| CN108622312B (en) * | 2018-04-13 | 2019-12-13 | 自然资源部第一海洋研究所 | Scientific investigation ship for continuously sampling surface water in deep sea |
| CN109323737B (en) * | 2018-09-19 | 2020-11-10 | 宁波市机电工业研究设计院有限公司 | Water level measuring method and device |
| CN109323737A (en) * | 2018-09-19 | 2019-02-12 | 宁波市机电工业研究设计院有限公司 | Water level measurement method and device |
| CN110576954A (en) * | 2019-08-29 | 2019-12-17 | 自然资源部第二海洋研究所 | A drag formula system for water horizontal and longitudinal section chemical parameter observation |
| CN110576954B (en) * | 2019-08-29 | 2024-04-02 | 自然资源部第二海洋研究所 | Towed system for observing chemical parameters of water transverse and longitudinal sections |
| CN114062624A (en) * | 2020-07-31 | 2022-02-18 | 力合科技（湖南）股份有限公司 | Automatic sampling method and system for tidal section of surface water sea entrance |
| CN112747951A (en) * | 2021-01-14 | 2021-05-04 | 自然资源部第一海洋研究所 | Multi-tube-box type integrated sampler suitable for deep sea sediment sampling operation |
| CN112747951B (en) * | 2021-01-14 | 2023-11-07 | 自然资源部第一海洋研究所 | Multi-tube-box type integrated sampler suitable for deep sea sediment sampling operation |
| CN114518256A (en) * | 2022-01-12 | 2022-05-20 | 中国科学院水生生物研究所 | Environment DNA remote continuous intelligent acquisition system |
| CN115106353A (en) * | 2022-05-16 | 2022-09-27 | 国家***东海海洋环境调查勘察中心 | Automatic wash water historical relic water appearance bottle device |
| CN115106353B (en) * | 2022-05-16 | 2023-09-08 | 自然资源部东海调查中心 | Automatic wash hydrology water sample bottle device |
| CN117370751A (en) * | 2023-09-13 | 2024-01-09 | 浙江天禹信息科技有限公司 | Cross-validation hydrologic data elasticity monitoring method and system |
| CN117370751B (en) * | 2023-09-13 | 2024-03-19 | 浙江天禹信息科技有限公司 | Cross-validation hydrologic data elasticity monitoring method and system |
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