CN102435468A - Method for measuring water environment parameters by Lagrangian method - Google Patents
Method for measuring water environment parameters by Lagrangian method Download PDFInfo
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- CN102435468A CN102435468A CN2011103895005A CN201110389500A CN102435468A CN 102435468 A CN102435468 A CN 102435468A CN 2011103895005 A CN2011103895005 A CN 2011103895005A CN 201110389500 A CN201110389500 A CN 201110389500A CN 102435468 A CN102435468 A CN 102435468A
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Abstract
The invention relates to a method for measuring water environment parameters by a Lagrangian method. The collected samples are placed in a transparent sampler and move with water flow until the sampling is completed, and are taken out to be checked, and the impact of mixing convection on a water body is analyzed. The method belongs to the field of environmental engineering. The invention provides a drifting type method for measuring the water environment parameters. The method is low in cost, and can measure the change in water quality caused by non-diffusive convection. A Lagrangian timing sampler can seal the water body in the transparent sampler in a time-sharing way, and can sample without affecting the external environment; and the obtained water quality data is relative to geographic information, and the changing rule along a river can be analyzed.
Description
Technical field
A kind of Lagrangian method water environment of the present invention measurement method of parameters belongs to field of environment engineering, especially a kind of method of the sampling of in natural water, flowing.
Background technology
In natural water, carry out the water body sampling, carrying out water body analysis through chemistry or physical method then is a kind of water environment engineering means commonly used.General this sampling is carried out by the sample collector by ship, and the sampled point that is provided with in advance to each utilizes sampling thief water intaking post analysis.There is following defective in such method of sampling:
1, need ship to participate in, expense is higher;
2, can not carry out with the current sampling lake current or ocean current, carry out if desired needing at first lake current or ocean current to be recorded water (flow) direction wherein, the sampling route is set then with the current sampling.
3, the water body after the sampling has broken away from the environment of former water body; Because conditions such as ambient temperature and illumination change; Biochemical reaction in water body also changes, and when describing the water body change amount that causes owing to kinetic factors such as blending or convection current, has certain difficulty.
Summary of the invention
The objective of the invention is to propose a kind ofly carry out the method for sampling of water environment characteristic quantity with water body, promptly Lagrangian water environment measurement method of parameters can remedy above defective, describes the water quality that kinetic factors such as no blending and convection current cause and changes.Particularly; A kind of Lagrangian method water environment measurement method of parameters of the present invention with the sampling thief that moves with current set and be placed in the water body, gather a plurality of diverse location water samples at it in the water sports process, and the sample of gathering placed sampling thief; Move with current; After the completion of sampling, take out check,, obtain the influence of blending convection current water quality variation and self-purification capacity through a plurality of different sample analysis and comparison.
Particularly; Method of the present invention is: Lagrangian method timing sampling device (hereinafter to be referred as sampling thief) is placed on lake or ocean and coastal waters predetermined depth under water, and with its release, makes it with this degree of depth water movement; When discharging, gather this degree of depth water sample sample of synchronization;
The GPS equipment of sampling thief is set, makes it send the positional information of sampling thief at regular intervals to the receiving trap that is positioned at the bank.
The sampling that sampling thief the is set clock of closing the door makes close door operation its time in appointment.
Measure to accomplish back collection sampling thief and the sample in the sampling thief is analyzed.
A plurality of GPS position datas of sampling thief are demarcated on map, draw the drift path,, confirm the biochemical process of satellite process through the analysis of sampling thief in the diverse location collected specimens.
A kind of Lagrangian method timing sampling device comprises: the plate wing, depth of water adjustment retractor device, ST group.
The described plate wing is the right-angled intersection plate wing, the heavy railway carriage or compartment of interior establishing, accumulator, single card microcomputer, electromagnet, GPS location processor, radio station, motor;
Described depth of water adjustment retractor device is a depth of water adjusting lever, and GPS equipment is set at the top and tracking diode, bottom link to each other with plate wing center; The fine steel tube of the hollow that depth of water adjusting lever spins for the more piece screw thread, more steel pipe can spin after the middle part is broken off;
Described depth of water adjustment retractor device is the insulated conductor that is uneven in length, and the top is provided with little buoyancy aid in order to floating GPS and tracking diode, and the lead bottom is connected on the single card microcomputer and accumulator in the plate wing.
Said ST is transparent, is fixed on the plate wing, has cover plate on it, and cover plate is by the spring drawing, and the part that described side edge thereof and ST join is provided with sealing gasket, and reverse side is for inlaying magnetic stripe.
Earlier each ST cover plate is opened during use, the magnetic stripe at its cover plate back side is inhaled with electromagnet mutually, springs, ST is in open configuration;
Described single card microcomputer sends signal at stop electromagnet power supply according to being provided with to electromagnet in advance; Electromagnet power-off magnetic force disappears, and the cover plate of ST is closed under the elastic force effect of spring, takes a sample.
Described cover plate reverse side connects draw ring, and draw ring is lived in selling and is stuck on the plate wing, and the pin of living links to each other with motor;
Described single card microcomputer sends signal according to being provided with to motor in advance, and electric motor starting is opened the pin of living, and the cover plate of ST is closed under the elastic force effect of spring, takes a sample.
Said ST is opaque.
Described single card microcomputer reads the GPS position according to setting in advance and sends to base station through the radio station;
Described tracking diode is high bright light emitting diode.
The invention has the advantages that:
1, a kind of Lagrangian method water environment measurement method of parameters is provided, the method is with low cost can be recorded because the change of water quality that non-diffusion convection current causes;
2, Lagrangian method timing sampling device of the present invention can be sealed in water body in the transparent sampling thief in timesharing, under the situation that does not influence its external environment, samples;
3, the present invention interrelates water quality data that is obtained and geography information, can analyze it along the journey Changing Pattern.
Description of drawings
The schematic top plan view of a kind of Lagrangian method timing sampling of Fig. 1 device;
The front elevational schematic of a kind of Lagrangian method timing sampling of Fig. 2 device;
The schematic perspective view of a kind of Lagrangian method timing sampling of Fig. 3 device;
The ST synoptic diagram of a kind of Lagrangian method timing sampling of Fig. 4 device;
The cover plate synoptic diagram of the ST of a kind of Lagrangian method timing sampling of Fig. 5 device;
The 1m degree of depth drift samples path synoptic diagram that a kind of Lagrangian method water environment of Fig. 6 measurement method of parameters obtains;
A kind of Lagrangian method timing sampling of Fig. 7 device depth of water adjustment retractor device is the insulated conductor synoptic diagram;
The local enlarged diagram of the cover plate draw ring scheme of the ST of a kind of Lagrangian method timing sampling of Fig. 8 device.
Embodiment
Embodiment one
Particularly, method of the present invention is: the sampled point degree of depth of confirming lake current is 1m, and it is long that Lagrangian method timing sampling device depth of water adjusting lever 5 is set to 1m, and be placed in the lake current;
The GPS equipment 51 that Lagrangian method timing sampling device is set is set to geographic position of transmission in per 1 minute.
The sampling that Lagrangian method timing sampling device is set close the door clock for every at a distance from 5 minutes, fix 4 STs altogether and be connected and float on the wing Close All after 20 minutes.
Collect Lagrangian method timing sampling device and the sample in the ST is carried out multi-parameter water quality mensuration after measuring completion.
Through the data in a plurality of STs are marked on the GPS drift path continuously, draw the water body multiparameter change procedure in drift path, as shown in Figure 6.Measurement result is seen table 1.
The no convection current in table 1 depth of water 1m place influences water environment parametric measurement value
| The water environment parameter | P1 | P2 | P3 | P4 |
| Dissolved oxygen DO (mg/l) | 5.6 | 5.4 | 5.3 | 5.4 |
| The pH value | 7.1 | 7.0 | 6.9 | 6.9 |
| TN(mg/l) | 1.75 | 1.80 | 2.10 | 2.20 |
Embodiment two
A kind of Lagrangian method timing sampling device comprises: the plate wing, depth of water adjustment retractor device, ST 2.
The described plate wing is the right-angled intersection plate wing, the heavy railway carriage or compartment of interior establishing 1, accumulator 4, single card microcomputer, electromagnet 3, GPS location processor, radio station, motor;
Described depth of water adjustment retractor device is a depth of water adjusting lever 5, and GPS equipment 51 is set at the top and tracking diode, bottom link to each other with plate wing center; Depth of water adjusting lever is that the fine steel tube length of 2 hollows that spin of joint screw threads is 1m;
Said ST 2 is transparent, is fixed on the plate wing, has cover plate 21 on it, and cover plate 21 is by spring 22 drawings, and the part that described cover plate 21 edges and ST join is provided with sealing gasket, and reverse side is for inlaying magnetic stripe 23.
Earlier each ST cover plate 21 is opened when Lagrangian method timing sampling device uses, the magnetic stripe 23 at its cover plate 21 back sides is inhaled with electromagnet 3 mutually, keep it to close spring 22 and stretch, sampling thief is in open configuration.
Receive the signal at stop of single card microcomputer when electromagnet 3 after, the magnetic of electromagnet 3 disappears, and cover plate 21 receives spring tension closed.The sampling water body is sealed in the transparent sampling thief.
Described single card microcomputer whenever read the GPS position at a distance from 1 minute and sends to base station through the radio station.
After sampling was accomplished, operating personnel removed to collect Lagrangian method timing sampling device according to geographic location signal of being received and the light of following the tracks of diode.
Embodiment three
Other parts of present embodiment are identical with last embodiment, and difference is:
Described depth of water adjustment retractor device is that length is the insulated conductor 52 of 1m, and the top is provided with little buoyancy aid 53 in order to floating GPS equipment 51 and tracking diode, and lead 52 bottoms are connected on the single card microcomputer and accumulator in the plate wing.As shown in Figure 7.
Said ST 2 is opaque, is fixed on the plate wing, has cover plate 21 on it; Cover plate 21 is by spring 22 drawings, and the part that described cover plate 22 edges and ST join is provided with sealing gasket, and reverse side is a draw ring 24; Draw ring 24 is enclosed within on the pin 25 of living, and described single card microcomputer sends signal according to being provided with to motor in advance, and electric motor starting is opened the pin 25 of living; The cover plate 21 of ST is closed under the elastic force effect of spring 22, takes a sample.As shown in Figure 8.
Said ST is opaque.
Claims (10)
1. a Lagrangian method water environment measurement method of parameters is placed on Lagrangian method timing sampling device in the certain depth water body, and it is characterized in that: said sampling thief moves with current; In with the water sports process, gather a plurality of diverse location water samples; And the sample of gathering placed sampling thief, and move with current, accomplish the back until sampling and take out and check; Through a plurality of different sample analysis and comparison, obtain the influence of blending convection current to water quality variation and self-purification capacity;
May further comprise the steps:
Lagrangian method timing sampling device is placed on lake or ocean and coastal waters predetermined depth under water, and, makes it, when discharging, gather this degree of depth water sample sample of synchronization with this degree of depth water movement with its release;
The GPS equipment of Lagrangian method timing sampling device is set, makes it send the positional information of sampling thief at regular intervals to the receiving trap that is positioned at the bank;
The sampling that Lagrangian method timing sampling device the is set clock of closing the door makes close door operation its time in appointment;
Measure to accomplish back collection Lagrangian method timing sampling device and the sample in the sampling thief is analyzed;
A plurality of GPS position datas of Lagrangian method timing sampling device are demarcated on map, draw the drift path,, confirm the biochemical process of satellite process through the analysis of sampling thief in the diverse location collected specimens.
2. a Lagrangian method timing sampling device is characterized in that: comprising: the plate wing, depth of water adjustment retractor device, ST group.
3. a kind of Lagrangian method timing sampling device according to claim 2 is characterized in that: the described plate wing is the right-angled intersection plate wing, the heavy railway carriage or compartment of interior establishing, accumulator, single card microcomputer, electromagnet, GPS location processor, radio station, motor.
4. a kind of Lagrangian method timing sampling device according to claim 2 is characterized in that: described depth of water adjustment retractor device is a depth of water adjusting lever, and GPS equipment is set at the top and tracking diode, bottom link to each other with plate wing center; The fine steel tube of the hollow that depth of water adjusting lever spins for the more piece screw thread, more steel pipe can spin after the middle part is broken off.
5. a kind of Lagrangian method timing sampling device according to claim 2; It is characterized in that: described depth of water adjustment retractor device is the insulated conductor that is uneven in length; The top is provided with little buoyancy aid in order to floating GPS and tracking diode, and the lead bottom is connected on the single card microcomputer and accumulator in the plate wing.
6. a kind of Lagrangian method timing sampling device according to claim 2, it is characterized in that: said ST is transparent, is fixed on the plate wing; Have cover plate on it; Cover plate is by the spring drawing, and the part that described side edge thereof and ST join is provided with sealing gasket, and reverse side is for inlaying magnetic stripe;
Earlier each ST cover plate is opened during use, the magnetic stripe at its cover plate back side is inhaled with electromagnet mutually, springs, ST is in open configuration;
Described single card microcomputer sends signal at stop electromagnet power supply according to being provided with to electromagnet in advance; Electromagnet power-off magnetic force disappears, and the cover plate of ST is closed under the elastic force effect of spring, takes a sample.
7. a kind of Lagrangian method timing sampling device according to claim 2 is characterized in that: described cover plate reverse side connects draw ring, and draw ring is lived in selling and is stuck on the plate wing, and the pin of living links to each other with motor;
Described single card microcomputer sends signal according to being provided with to motor in advance, and electric motor starting is opened the pin of living, and the cover plate of ST is closed under the elastic force effect of spring, takes a sample.
8. a kind of Lagrangian method timing sampling device according to claim 2, it is characterized in that: said ST is opaque.
9. a kind of Lagrangian method timing sampling device according to claim 3 is characterized in that: described single card microcomputer reads the GPS position according to setting in advance and sends to base station through the radio station.
10. a kind of Lagrangian method timing sampling device according to claim 5 is characterized in that: described tracking diode is high bright light emitting diode.
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| CN 201110389500 CN102435468B (en) | 2011-11-30 | 2011-11-30 | Method for measuring water environment parameters by Lagrangian method |
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| CN 201110389500 CN102435468B (en) | 2011-11-30 | 2011-11-30 | Method for measuring water environment parameters by Lagrangian method |
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| CN102435468B CN102435468B (en) | 2013-04-17 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109115554A (en) * | 2018-09-21 | 2019-01-01 | 金鑫来 | River sewage sampler |
| CN110530674A (en) * | 2019-09-13 | 2019-12-03 | 乐趣 | A kind of lake deep water water quality monitoring sample extraction device |
| CN114062623A (en) * | 2020-07-31 | 2022-02-18 | 力合科技（湖南）股份有限公司 | Dynamic sampling method for underground pipe network |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109696536B (en) * | 2018-12-21 | 2021-09-07 | 武汉飞流智能技术有限公司 | Water quality monitoring sampling probe |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109115554A (en) * | 2018-09-21 | 2019-01-01 | 金鑫来 | River sewage sampler |
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| CN110530674A (en) * | 2019-09-13 | 2019-12-03 | 乐趣 | A kind of lake deep water water quality monitoring sample extraction device |
| CN114062623A (en) * | 2020-07-31 | 2022-02-18 | 力合科技（湖南）股份有限公司 | Dynamic sampling method for underground pipe network |
| CN114062623B (en) * | 2020-07-31 | 2024-09-24 | 力合科技（湖南）股份有限公司 | Dynamic sampling method for underground pipe network |
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