CN206321453U - Automatic sampling and monitoring system based on oceanographic station thermohaline well - Google Patents

Abstract

The utility model is related to automatic sampling and monitoring system based on oceanographic station thermohaline well.Including water sampling and monitoring device and water sample distribution unit；Water sampling and monitoring device include multiple guide rails and the buoyancy ring box frame along lifting rail, and buoyancy circle and multiple monitoring instruments are provided with buoyancy ring box frame, also including sampling peristaltic pump and filter；Water sample distribution unit includes water sample tank and pure water tank, and the water inlet of water sample tank top is connected to water intaking pipeline, and the water inlet of pure water tank top is connected to pure water source by pure water pipeline；The water inlet of water sample tank is connected to the first delivery port of pure water pot sidewall bottom by pipeline, and cleaning pump is provided with the pipeline；Also including being connected to the water sample adapter of sample lines and being connected to the pure water adapter of pure water pipeline, the delivery port of water sample pot sidewall bottom is connected to water sample by pipeline and taken over, and the second delivery port of pure water pot sidewall bottom is connected to pure water by pipeline and taken over；Magnetic valve is equipped with each pipeline.

Description

Automatic sampling and monitoring system based on oceanographic station thermohaline well

Technical field

The utility model belongs to multi-sensor equipment technical field, more particularly to a kind of based on oceanographic station thermohaline well Automatic sampling and monitoring system.

Background technology

China is ocean big country, and marine monitoring is relation Ocean Surveying, marine environment, early warning of marine disasters, marine safety With the vital task of marine resources development.Buoy, subsurface buoy, ship base and bank base platform and it is made up of various parameters monitor etc. Marine monitoring system, is carry current China is extensive and carries out for a long time all kinds of ocean engineerings and Science Research Project.

The temperature and salinity of seawater are the important parameter in multi-sensor, surface seawater temperature, the monitoring side of salinity Method develops into continuous, real-time robot by artificial routine monitoring and monitored.Thermohaline well is exactly to install temperature, salt automated monitor Important infrastructure, in the evolution of history, general oceanographic station is designed with Indoor Temperature salt well.However, traditional thermohaline well Facility unitary function, the general function only with tidal level measurement, temperature and salimity measurement does not give full play of thermohaline well The potential function of this kind of infrastructure.

At the same time, to water quality data such as pH value, dissolved oxygen, turbidity, chlorophyll, nutritive salt, the biological consumption of marine environment Oxygen amount BOD, chemical oxygen demand cod, total organic carbon TOC etc. monitoring are becoming increasingly important.These parameters coordinate traditional temperature Degree and Salinity Data etc., can more reflect the change of seawater quality, marine monitoring is had great significance.It is related to These parameters During monitoring, some can be completed by water quality sensor, and then needing of having is acquired to the water sample of seawater, by special Analytical instrument is analyzed the water sample after collection, obtains above-mentioned Monitoring Data.

Therefore one of important step of marine monitoring is become to the collection of seawater sample, can the water sample after collection reflect The seawater original appearance of sampled point turns into the key of data acquisition, and whether whether water sample timely measured analysis, water sample in collection After be contaminated, all directly determine the accuracy of measurement data.Traditional use hydrophore carries out the operation of artificial sample Mode also has larger room for improvement, by the rational above-mentioned sampling of setting structure and monitoring analysis system, is conducive to sea The automation of foreign monitoring, highly important meaning is suffered to accuracy, promptness and the convenience for lifting marine monitoring.

Utility model content

The utility model provides a kind of high degree of automation to solve technical problem present in known technology, ensures to adopt Collect water sample not contaminated automatic sampling and monitoring system based on oceanographic station thermohaline well, lifting water sampling and subsequent analysis The automaticity of monitoring, the accuracy and rapidity of lifting hydrographic data monitoring.

The utility model is adopted the technical scheme that to solve technical problem present in known technology：Based on oceanographic station The automatic sampling of thermohaline well includes water sampling and monitoring device and water sample distribution unit with monitoring system；Water sampling and prison Surveying device is included by multiple guide rails being from top to bottom sequentially connected with and along the buoyancy ring box frame of lifting rail, in buoyancy ring box Buoyancy circle and multiple monitoring instruments are installed on frame；Also include sampling peristaltic pump and filter, connect on the entrance of filter Sample lines are connected to, sample lines extend to buoyancy ring box frame, water intaking pipeline is connected with the outlet of filter, pipeline of fetching water Extend to sampling peristaltic pump；Water sample distribution unit includes water sample tank and pure water tank, and the water inlet of water sample tank top is connected to water intaking Pipeline, the water inlet of pure water tank top is connected to pure water source by pure water pipeline；The water inlet of water sample tank is connected by pipeline To the first delivery port of pure water pot sidewall bottom, cleaning pump is provided with the pipeline；Also include the water sample for being connected to water intaking pipeline The pure water adapter of pure water pipeline is taken over and is connected to, the delivery port of water sample pot sidewall bottom is connected to water sample by pipeline and connect Pipe, the second delivery port of pure water pot sidewall bottom is connected to pure water by pipeline and taken over；In both water sample tank and pure water tank bottom Discharge outlet on be respectively connected with discharge pipe line；Magnetic valve is equipped with each pipeline；Also include taking over water sample adapter and pure water Multiple water sample distributors of connection, each analytical instrument accesses water sample and pure water through each water sample distributor.

Advantage of the present utility model and good effect are：The invention provides a kind of reasonable in design based on oceanographic station The automatic sampling of thermohaline well and monitoring system, compared with existing sampling and monitoring facilities and mode, the technical program is fully sharp With the existing thermohaline well infrastructure of oceanographic station.By in thermohaline well hang set following water-level lifting, with multiple prisons The buoyant device of instrument is surveyed, good water intaking platform is provided for whole system and a variety of water quality datas measured in real time is provided； By setting water sample distribution unit in the building of oceanographic station, the automatic extraction and storage to water sample are realized, coordinates pure water water Source and pipeline, the in-situ water quality analyzer device for oceanographic station provides easily pure water and water sample takes passage, greatly improves The convenience and rapidity of water sample monitoring.By setting magnetic valve on each pipeline and being controlled by controller unified allocation of resources, connect A variety of functions such as the assimilation to water sample tank, cleaning, emptying, note pure water protection can be realized after different pipelines.In general, originally Pollution of situations such as sampling and monitoring system can avoid residual water sample in water sample tank to greatest extent and go mouldy to water sample, The degree of accuracy of water sample Monitoring Data is directly improved, i.e., the water sample accessed out of water sample tank more can fully reflect the water of sampling location Matter information.

Preferably：Also include being provided with pure water pump on water purification machine, the pipeline between its delivery port and pure water tank water inlet.

Preferably：Blast pipe is equipped with the top of the wall of both water sample tank and pure water tank side；In water sample tank and pure water tank two Liquid level charactron is mounted on the outer wall of person；Two position sensing is mounted on the inwall of both water sample tank and pure water tank Device.

Preferably：Also include the water pot support and the integrated bearing for being fixed on ground, water sample tank and pure water installed in metope Both tanks are fixed on water pot support, and sampling peristaltic pump, filter, pure water pump and cleaning pump are fixed on integrated bearing On.

Preferably：Buoyancy ring box frame includes the center square tube positioned at center, and at center, the middle and upper part of square tube is mounted with Supporting plate disk, bottom are mounted with bottom annulus using multiple radiation tendons；Provided with multiple between supporting plate disk and bottom annulus Vertical rod, is mounted with middle part annulus in the middle part of each vertical rod.

Preferably：Buoyancy circle is fixed on above supporting plate disk, and 4 screw threads are welded with the upper surface of supporting plate disk Bar；The center of buoyancy circle provided with center square hole, center square hole be formed around axially through 4 cable holes and 4 Thread rod bores, the upper end of center square tube is located in the square hole of center, and 4 threaded rods point are located in each screw hole, each monitoring instrument Wiring and sample lines are located in each cable hole.

Preferably：Monitoring instrument include being fixed on thermohaline sensor on the alien invasion of center square tube middle and lower part three, Turbidity and chlorophyll sensor and multi-parameter water quality instrument；It is also equipped with another alien invasion of center square tube middle and lower part Sampling bottom valve, the end of sample lines is connected on the sampling bottom valve.

Preferably：Top guardrail is also mounted with the top of buoyancy circle, top guardrail includes top above Annulus and underlying base plate, both are welded together by 8 circumferentially distributed connecting upright poles；Opened at the center of base plate Provided with square vias, offer 4 circular cable vias and 4 thread rod bores around square vias, center square tube it is upper End passes the square vias of base plate, and 4 threaded rods use nut check after passing 4 thread rod bores of base plate.

Preferably：Guide rail includes square tube, and lower hinge is provided with provided with upper hinge, lower end in the upper end of square tube, each guide rail Lower hinge and the upper hinge of guide rail below are hinged, positioned at the top guide rail upper hinge by bearing pin with installed in ocean The fender bracket of the fixed pulley on roof of standing is hinged, and the guide rail being sequentially hinged is applied in the center square tube of buoyancy ring box frame, by upper Bearing pin to lower two adjacent groups hinge is orthogonal.

Brief description of the drawings

Fig. 1 is structural representation of the present utility model；

Fig. 2 is the cross section structure diagram of Fig. 1 middle guides；

Fig. 3 is the structural representation of Fig. 1 middle and upper parts guardrail guardrail；

Fig. 4 is the structural representation of buoyancy circle in Fig. 1；

Fig. 5 is the structural representation of buoyancy ring box frame in Fig. 1；

Fig. 6 is the structural representation of water sample distribution unit in Fig. 1；

Fig. 7 is sampling and the system flow chart of monitoring system in Fig. 1.

In figure：1st, water sampling and monitoring device；1-1, hanging disk；1-2, fixed pulley；1-3, guide rail； 1-3-1、 Upper hinge；1-3-2, upper lifting pipe；1-3-3, square tube；1-3-4, lower lifting pipe；1-3-5, lower hinge；1-4, top Guardrail；1-4-1, top annulus；1-4-2, connecting upright pole；1-4-3, base plate；1-4-4, suspension ring；1-5, buoyancy circle； 1-6、 Buoyancy ring box frame；1-6-1, center square tube；1-6-2, threaded rod；1-6-3, supporting plate disk；1-6-4, middle part annulus； 1- 6-5, vertical rod；1-6-6, bottom annulus；1-6-7, radiation tendon；1-7, sampling peristaltic pump；1-8, filter；2nd, water sample point With device；2-1, water sample tank；2-2, blast pipe；2-3, magnetic valve；2-4, liquid level charactron；2-5, pure water tank； 2-6、 Water pot support；2-7, water sample distributor；2-8, pure water pump；2-9, integrated bearing；2-10, cleaning pump；3rd, water purification machine； 4、 Distributor socket；5th, analytical instrument.

Embodiment

For the content of the invention of the present utility model, feature and effect can be further appreciated that, hereby lift following examples and describe in detail It is as follows：

Fig. 1 is referred to, the automatic sampling of the present utility model based on oceanographic station thermohaline well is adopted with monitoring system including water sample Collection and monitoring device 1 and water sample distribution unit 2.Wherein, water sampling and monitoring device 1 be divided into again buoyancy in thermohaline well and Monitoring assembly and two parts of sampling pump and filter assemblies outside thermohaline well.Buoyancy and monitoring assembly in thermohaline well Lifted with the lifting of water level.Water sample distribution unit 2 is arranged on the indoor wall of oceanographic station, for the seawater sample collected Product are safely conveyed to each analytical instrument of water quality by a series of distribution ducts and used.

Fig. 2 is referred to Fig. 5, it can be seen that：The buoyancy and monitoring assembly of water sampling and monitoring device 1 include it is multiple by The guide rail 1-3 being up to the sequentially connected with down and buoyancy ring box frame 1-6 lifted along guide rail 1-3, is installed on buoyancy ring box frame 1-6 There are buoyancy circle 1-5 and multiple monitoring instruments.Wherein, on the one hand guide rail 1-3 is used to eliminate buoyancy ring box frame 1-6 and buoyancy circle 1- 5 rotation, on the other hand again as the track of both buoyancy ring box frame 1-6 and buoyancy circle 1-5 lifting moving.Specifically：

Buoyancy ring box frame 1-6 is a welding combiner, and it includes the center square tube 1-6-1 positioned at center, at center Square tube 1-6-1 middle and upper part is mounted with supporting plate disk 1-6-3, bottom and is mounted with bottom using multiple radiation tendon 1-6-7 Portion annulus 1-6-6；Multiple vertical rod 1-6-5 are provided between supporting plate disk 1-6-3 and bottom annulus 1-6-6, each vertical rod 1-6-5's Middle part is mounted with middle part annulus 1-6-4.Above-mentioned supporting plate disk 1-6-3, middle part annulus 1-6-4, bottom annulus 1-6-6 with it is each Vertical rod 1-6-5 constitutes protection mouse cage, and protection is provided to internal multiple monitoring instruments.The external diameter of mouse cage is protected to be less than thermohaline well Internal diameter, during tidal undulation, buoyancy ring box frame 1-6 and its appurtenances are under buoyancy circle 1-5 buoyancy along thermohaline well Axial direction vertical lifting is moved, and protection mouse cage efficiently avoid the collision that each monitoring instrument and the borehole wall may occur, to prison Survey instrument and serve protective action.

In the present embodiment, monitoring instrument includes the temperature being fixed on the alien invasion of center square tube 1-6-1 middle and lower parts three Salt sensor, turbidity and chlorophyll sensor and multi-parameter water quality instrument；Outside another of center square tube 1-6-1 middle and lower parts Bottom valve of sampling is also equipped with facade.Above-mentioned thermohaline sensor, turbidity and chlorophyll sensor and multi-parameter water quality instrument are used for The multiple-quality water parameters such as pH value, dissolved oxygen, temperature, salinity, turbidity and the chlorophyll of seawater are monitored, sampling bottom valve is able to ensure that well Seawater in interior vertical sampling pipe is not drained, beneficial to sampling peristaltic pump pumps seawater.It also has filtering function in addition, uses In the bulk particulate matter for filtering sampling waters.

Buoyancy circle 1-5 is the cylinder with center square hole, is base material, outside spray by the light-duty floating body material of polyethylene foam Apply certain thickness polyureas protective layer.Buoyancy circle 1-5 is fixed on above supporting plate disk 1-6-3, supporting plate disk 1-6-3's Upper surface is welded with multiple 4 threaded rod 1-6-2；Center square hole, the surrounding in center square hole are provided with buoyancy circle 1-5 center Provided with axially through 4 cable holes and 4 screw holes, center square tube 1-6-1 upper end is located in the square hole of center, each screw thread 1-6-2 points of bar is located in each screw hole, and the wiring of each monitoring instrument and sample lines are located in each cable hole.

As shown in FIG., around center square hole, 4 screw holes and 4 cable holes are dispersed with perpendicular to cross-sectional uniformity. Buoyancy circle 1-5 is exactly with installed in supporting plate disk 1-6-3 top by threaded rod 1-6-2 through screw hole.Further, float Mutual angle at 45 ° in circumferential direction between power circle 1-5 cable hole and adjacent screw hole, the cable of each monitoring instrument and is adopted Sample pipeline converges into a branch of after being passed through from cable hole, wrapping is neat, around guide rail 1-3 spiral some circles after go out thermohaline well, connect To electric control system.

Buoyancy circle 1-5 color is Exocarpium Citri Rubrum or crocus, and the inwall of each cable hole should be smooth, should be set down at both ends Angle, can so avoid the wiring cable of monitoring instrument from occurring jam.

When water level is high, the cable of winding can be packed together；When water level is low, the pitch of the cable spiraled can be increased.China The tidal range in most of sea area is at 4~5 meters, and the number of turns 5~6 of winding is enclosed, and remaining cable and sample lines are stretched.Top guardrail Pipelines of the 1-4 to collect winding, it is to avoid because being scratched or jam with the borehole wall caused by loose.Top guardrail 1-4 is a weldering Connect sub-assembly, including top annulus 1-4-1 and underlying base plate 1-4-3 above, top annulus 1-4-1 and bottom Welded together between plate 1-4-3 by 8 circumferentially distributed connecting upright pole 1-4-2.Cut out in base plate 1-4-3 center The center square hole that Neng Rang centers square tube 1-6-1 is passed through, offered around the square hole of center with the cable hole on buoyancy circle 1-5 and 4 cable holes of position identical of screw hole and 4 screw holes.Buoyancy circle 1-5 top guardrail 1-4 base plate 1-4-3 and Fixed between buoyancy ring box frame 1-6 supporting plate disk 1-6-3 by threaded rod 1-6-2.Top guardrail 1-4 external diameter and buoyancy circle 1-5, buoyancy ring box frame 1-6 external diameter are equal, but the respectively less than internal diameter of thermohaline well.

On top, guardrail 1-4 base plate 1-4-3 plate body upper surface is fastened provided with two suspension ring 1-4-4 and is connected on suspension ring 1-4-4 On hoist cable be connected to through fixed pulley 1-2 on coiler, it is necessary to when carrying out attended operation, hoist cable can be carried out by coiler Wind and unreel, the buoyancy and monitoring assembly of water sampling and monitoring device 1 are lifted or put down.

Guide rail 1-3 main body is the square tube 1-3-3 of thin-wall stainless steel material, and upper hinge is provided with square tube 1-3-3 upper end The upper hinge 1- of 1-3-1, lower end provided with lower hinge 1-3-5, each guide rail 1-3 lower hinge 1-3-5 with guide rail 1-3 below 3-1 is hinged.Fixed pulley 1-2 fender bracket is connected to by bearing pin positioned at the first segment guide rail 1-3 of the top upper hinge 1-3-1 On.Fixed pulley 1-2 is also to be arranged on by bearing pin on hanging disk 1-1, and hangs disk 1-1 and be fixed on sea by expansion bolt On the roof at ocean station, hanging disk 1-1 center and the central coaxial of thermohaline well.Positioned at the minor details guide rail 1-3 of bottom end An anticreep ring flange is welded perpendicular to guide rail 1-3 in end, it is ensured that be applied in the buoyancy ring box frame 1-6 on guide rail 1-3 in water level pole It is unlikely to come off from guide rail 1-3 when low.Whole piece guide rail is suspended in thermohaline well, from top to bottom the pin of two adjacent groups hinge Axle is orthogonal.Purpose is to ensure guide rail 1-3 on any one horizontal plane, left and right or it is front and rear have certain free degree, it is soft The guide rail of property can offset the impact of wave.In addition, every guide rail 1-3 is hollow sealing design, it is therefore an objective to mitigate weight, and Certain buoyancy is provided in water.

The buoyancy ring box frame 1-6 for being applied in suspention guide rail 1-3 carries various monitoring instruments and its cable, by buoyancy circle The buoyancy that 1-5 is provided is swum on the water surface.Pass through buoyancy calculations, it is ensured that various monitoring instruments and sampling bottom valve are in surface seawater Within.With the lifting of tidal level, moved up and down along guide rail.Guide rail 1-3 can only left and right or front and rear slight oscillatory and can not rotate, this is just Efficiently avoid buoyancy ring box frame 1-6 by gushed in thermohaline well and wave impact and rotating for may occurring, so as to avoid The damage for being attached to the improper winding of various pipelines on buoyancy ring box frame 1-6 and causing.In addition, guide rail 1-3 and buoyancy circle There is certain fit clearance between center square tube 1-6-1 on framework 1-6, be unlikely to make to swim in the buoyancy ring box frame on the water surface 1-6 is because of itself and external factor generation inclination, and this also make it that whole buoyancy ring box frame 1-6 vertical lifting moves more smooth.

System initially install and follow-up maintenance process in need to lift guide rail 1-3, for the ease of lifting Operation, is provided with upper lifting pipe 1-3-2 and lower lifting pipe 1-3-4, upper lifting pipe 1- on guide rail 1-3 square tube 1-3-3 Both 3-2 and lower lifting pipe 1-3-4 axis are vertical, each extend transversely through square tube 1-3-3.

Also include sampling peristaltic pump 1-7 and filter 1-8, sample lines are connected with filter 1-8 entrance, sample Pipeline extends to buoyancy ring box frame 1-6, and specifically sample lines are connected on the sampling bottom valve on buoyancy ring box frame 1-6, seawater Enter sample lines after sampled bottom valve initial filter.Water intaking pipeline is connected with filter 1-8 outlet, water intaking pipeline is extended to Sample peristaltic pump 1-7.

Sampling peristaltic pump 1-7 has pollution-free, high precision, safeguards the simple and spy with two-way equal flow conveying capacity Point, influence of the pump housing to water sample is prevented effectively from by non-contacting mode.

Refer to Fig. 6, it can be seen that：Water sample distribution unit 2 includes water sample tank 2-1 and pure water tank 2-5, water sample tank 2-1 tops The water inlet in portion is connected to water intaking pipeline.Wherein, water sample tank 2-1 is used to store water sample, pure water tank 2-5 for storing pure water, by The seawater that sample lines are extracted enters water sample tank 2-1 via filter 1-8 and sampling peristaltic pump 1-7.In the present embodiment, filter 1-8 includes the front and rear grade one filter and secondary filter set, and filtering accuracy is respectively 100 microns and 50 microns.It is such Water sample both retains seawater original appearance to greatest extent, and the pressure that some analytical instrument carry superfinishing filter is alleviated again.

In the present embodiment, also including water purification machine 3, set on the pipeline between its delivery port and pure water tank 2-5 water inlet There is pure water pump 2-8.Water purification machine 3 is used to prepare pure water, is stored by being pumped into pure water tank 2-5 for pure water pump 2-8.

Water sample tank 2-1 water inlet is connected to the first delivery port of pure water tank 2-5 sidewall bottoms by pipeline, in the pipeline It is provided with cleaning pump 2-10.Also including being connected to the water sample adapter of sample lines and being connected to the pure water adapter of pure water pipeline, The delivery port of water sample tank 2-1 sidewall bottoms is connected to water sample by pipeline and taken over, the second delivery port of pure water tank 2-5 sidewall bottoms Pure water is connected to by pipeline to take over.

Discharge pipe line is respectively connected with the discharge outlet of both water sample tank 2-1 and pure water tank 2-5 bottom.In water sample tank 2-1 Blast pipe 2-2 is equipped with the top of both pure water tank 2-5 side wall；On both water sample tank 2-1 and pure water tank 2-5 outer wall Liquid level charactron 2-4 is installed；Two position sensor is mounted on both water sample tank 2-1 and pure water tank 2-5 inwall. Wherein, discharge pipe line is used to discharge internal liquid outside tank body, and blast pipe 2-2 is used for the sky that epicoele is discharged when water level rises Gas and unnecessary water sample or pure water, liquid level charactron 2-4 are used to show internal water, and two position sensor is used to control automatically Liquid level in tank body processed, liquid level signal is sent to controller.

Magnetic valve 2-3 is equipped with each pipeline；Also include controller, each magnetic valve 2-3, sampling peristaltic pump 1-7, cleaning Pump 2-10 and pure water pump 2-8 are connected with controller, and controller realizes water sample tank 2- by controlling the break-make of each electric element A variety of functions such as 1 assimilation, cleaning, emptying, the protection of note pure water and the injection and emptying of pure water tank.

Also include the multiple water sample distributor 2-7 taken over water sample and pure water adapter is connected；Each analytical instrument 5 is through each water sample Distributor 2-7 accesses water sample and pure water.As shown in FIG., multiple water sample distributor 2-7 are to be parallel-connected to water sample adapter and pure On the pipeline of water adapter.Stand interior sampling, the water intaking that both water sample adapter and pure water adapter constitute each analytical instrument 5 parallel is dry Line, therefore each water sample distributor 2-7 should include two interfaces, (be connected to thin on water sample distributor 2-7 by intake pipe respectively Pipe) it is connected to the sample water inlet and pure water entrance of correspondence analysis instrument 5.Specifically, when the analytical instrument 5 need to take water sample and During pure water, then corresponding intake pipe is connected, and water sample or pure water can flow into or enter analytical instrument 5 by the pumping that instrument is carried It is interior.

Whole system can realize whole-course automation sampling and monitor.Controller can set communication unit, by above-mentioned monitoring Hydrographic information be quickly uploaded to main control platform, oceanographic station can be realized unattended.

Each water sample distributor 2-7 is fixed in distributor socket 4, and distributor socket 4 should be located at suitable position, be easy to water Sample and pure water are taken.

In the present embodiment, also including the water pot support 2-6 installed in metope and the integrated bearing 2-9 for being fixed on ground, water Sample tank 2-1, pure water tank 2-5 and section solenoid valve 2-3 are fixed on water pot support 2-6；Sampling peristaltic pump 1-7, pure water Pump 2-8, filter 1-8 and cleaning pump 2-10 are fixed on integrated bearing 2-9.

Fig. 7 is this automatic sampling and the system flow chart of monitoring system, it can be seen that the working method of whole system：

Whole system automated tos respond to operating under the control of PLC, opens sampling and monitoring process for several times daily.

(1) pure water is prepared：Water purification machine prepares pure water, and pure water is pumped into pure water tank by pure water pump and stored；

(2) assimilate：Magnetic valve in PLC control sample lines is opened, the magnetic valve of water sample pot bottom discharge outlet Open, remaining closed electromagnetic valve, start sampling pump and substantial amounts of seawater is pumped into water sample tank, to sample lines and water sample tank Inner chamber is rinsed, and realizes assimilation；

(3) sample：After the fixed duration of assimilation, controller controls the closed electromagnetic valve of water sample pot bottom discharge outlet, water sample It is stored in water sample tank, until the full signal of liquid level sensor sending cans, stops the operating of sampling pump；

(4) monitor：Each analytical instrument, which is either automatically or manually fetched water, completes a series of predetermined registration operations such as monitoring, obtains water quality number It is believed that above- mentioned information is preserved and uploaded by breath, controller；

(5) draining and protect：The magnetic valve of controller control water sample pot bottom discharge outlet is opened, and internal water sample passes through draining Pipeline is discharged；The pure water of controller control afterwards enters water sample tank, and water sample tank and sample lines are rinsed, in flushing process, The magnetic valve of water sample pot bottom discharge outlet is constantly in open mode；Rinse after preset duration, by water sample pot bottom discharge outlet Closed electromagnetic valve, pure water is stored in water sample tank until the full signal of liquid level sensor sending cans；Now filled in water sample tank Pure water, discharges air, effectively prevent the growth of algae and mouldy；

(6) next sampling operation is opened：By the pure water emptying in water sample tank, above-mentioned assimilation, sampling, monitoring and row are repeated Water conservation process.

Claims (9)

1. a kind of automatic sampling and monitoring system based on oceanographic station thermohaline well, it is characterized in that：Filled including water sampling and monitoring Put (1) and water sample distribution unit (2)；

Water sampling and monitoring device (1) include multiple guide rails (1-3) being from top to bottom sequentially connected with and risen along guide rail (1-3) The buoyancy ring box frame (1-6) of drop, is provided with buoyancy circle (1-5) and multiple monitoring instruments on buoyancy ring box frame (1-6)；Also wrap Sampling peristaltic pump (1-7) and filter (1-8) are included, sample lines are connected with filter (1-8) entrance, sample lines are prolonged Buoyancy ring box frame (1-6) is extended, water intaking pipeline is connected with filter (1-8) outlet, it is compacted that water intaking pipeline extends to sampling Dynamic pump (1-7)；

The water inlet that water sample distribution unit (2) includes at the top of water sample tank (2-1) and pure water tank (2-5), water sample tank (2-1) is connected to Water inlet at the top of water intaking pipeline, pure water tank (2-5) is connected to pure water source by pure water pipeline；The water inlet of water sample tank (2-1) Mouth is connected to the first delivery port of pure water tank (2-5) sidewall bottom by pipeline, and cleaning pump (2-10) is provided with the pipeline；Also Including being connected to the water sample adapter of water intaking pipeline and being connected to the pure water adapter of pure water pipeline, water sample tank (2-1) sidewall bottom Delivery port water sample be connected to by pipeline taken over, second delivery port of pure water tank (2-5) sidewall bottom is connected to by pipeline Pure water is taken over；Discharge pipe line is respectively connected with the discharge outlet of both water sample tank (2-1) and pure water tank (2-5) bottom；In each pipe Magnetic valve (2-3) is equipped with road；

Also include the multiple water sample distributors (2-7) taken over water sample and pure water adapter is connected, each analytical instrument (5) is through each water sample Distributor (2-7) accesses water sample and pure water.

2. automatic sampling and monitoring system as claimed in claim 1 based on oceanographic station thermohaline well, it is characterized in that：Also include pure Pure water pump (2-8) is provided with water dispenser (3), the pipeline between its delivery port and pure water tank (2-5) water inlet.

3. automatic sampling and monitoring system as claimed in claim 1 based on oceanographic station thermohaline well, it is characterized in that：In water sample tank Blast pipe (2-2) is equipped with the top of both (2-1) and pure water tank (2-5) side wall；In water sample tank (2-1) and pure water tank (2-5) Liquid level charactron (2-4) is mounted on both outer walls；On the inwall of both water sample tank (2-1) and pure water tank (2-5) Two position sensor is installed.

4. automatic sampling based on oceanographic station thermohaline well and monitoring system as described in any one of claims 1 to 3, its feature It is：Also include installed in metope water pot support (2-6) and be fixed on the integrated bearing (2-9) on ground, water sample tank (2-1) and pure Both water pots (2-5) are fixed on water pot support (2-6), sampling peristaltic pump (1-7), filter (1-8), pure water pump (2- 8) it is fixed on cleaning pump (2-10) on integrated bearing (2-9).

5. automatic sampling based on oceanographic station thermohaline well and monitoring system as described in any one of claims 1 to 3, its feature It is：Buoyancy ring box frame (1-6) includes the center square tube (1-6-1) positioned at center, and at center, the middle and upper part of square tube (1-6-1) is installed It is fixed with supporting plate disk (1-6-3), bottom and is mounted with bottom annulus (1-6-6) using multiple radiation tendons (1-6-7)；Supporting plate Multiple vertical rods (1-6-5) are provided between disk (1-6-3) and bottom annulus (1-6-6), are installed at the middle part of each vertical rod (1-6-5) It is fixed with middle part annulus (1-6-4).

6. automatic sampling and monitoring system as claimed in claim 5 based on oceanographic station thermohaline well, it is characterized in that：Buoyancy circle (1-5) is fixed on above supporting plate disk (1-6-3), and 4 threaded rods are welded with the upper surface of supporting plate disk (1-6-3) (1-6-2)；The center of buoyancy circle (1-5) provided with center square hole, center square hole be formed around axially through 4 cables Hole and 4 thread rod bores, the upper end of center square tube (1-6-1) are located in the square hole of center, 4 threaded rods (1-6-2) difference positions In in each screw hole, the wiring of each monitoring instrument and sample lines are located in each cable hole.

7. automatic sampling and monitoring system as claimed in claim 6 based on oceanographic station thermohaline well, it is characterized in that：Monitoring instrument Including thermohaline sensor, turbidity and the chlorophyll sensing being fixed on the alien invasion of center square tube (1-6-1) middle and lower part three Device and multi-parameter water quality instrument；Bottom valve of sampling is also equipped with another alien invasion of center square tube (1-6-1) middle and lower part, The end of sample lines is connected on the sampling bottom valve.

8. automatic sampling and monitoring system as claimed in claim 6 based on oceanographic station thermohaline well, it is characterized in that：In buoyancy circle The top of (1-5) is also mounted with top guardrail (1-4), and top guardrail (1-4) includes top annulus (1-4- above 1) and underlying base plate (1-4-3), both are welded together by 8 circumferentially distributed connecting upright poles (1-4-2)； The center of base plate (1-4-3) offers square vias, and 4 circular cable vias and 4 spiral shells are offered around square vias Rasp bar hole, the upper end of center square tube (1-6-1) passes base plate (1-4-3) square vias, and 4 threaded rods (1-6-2) pass bottom Nut check is used after 4 thread rod bores of plate (1-4-3).

9. automatic sampling and monitoring system as claimed in claim 8 based on oceanographic station thermohaline well, it is characterized in that：Guide rail (1- 3) include square tube (1-3-3), lower hinge (1-3-5) be provided with provided with upper hinge (1-3-1), lower end in the upper end of square tube (1-3-3), The lower hinge (1-3-5) and the upper hinge (1-3-1) of guide rail (1-3) below of each guide rail (1-3) are hinged, positioned at the top The upper hinge (1-3-1) of guide rail (1-3) pass through the fender bracket of bearing pin and the fixed pulley (1-2) on the oceanographic station roof and cut with scissors Connect, the guide rail (1-3) being sequentially hinged is applied in the center square tube (1-6-1) of buoyancy ring box frame (1-6), from top to bottom adjacent two The bearing pin of group hinge is orthogonal.