817 results about "Water sampling" patented technology

The invention relates to the technical field of water level surveying devices, and discloses a hydrogeological multi-layer underground water level surveying device and a surveying method.The hydrogeological multi-layer underground water level surveying device comprises a support and a water sampling barrel, the support is provided with a winding mechanism, and the winding mechanism is used for adjusting the sampling height of the water sampling barrel; the upper part of one side of the water sample sampling barrel is communicated with a liquid inlet pipe, and the bottom of the water sample sampling barrel is fixedly connected with a balancing weight. In the sampling process, large-particle impurities in water are blocked through the filter screen, the impact force of water flow can be converted into the rotating force of the blades, the rotating shaft and the scraping rod, the function of automatically cleaning the impurities in the sampling process is achieved, and the rope winding condition caused by uncontrollable winding position is prevented through the adjusting mechanism; the dustproof mechanism prevents dust and stones from falling into the hydrological hole to affect sampling of a water sample in the surveying process, and the highest water level in the hydrological hole can be accurately known through the water level monitoring mechanism.

The invention relates to the technical field of water sampling, in particular to a floater fixed-depth sampling device for polluted water, which comprises a lifting rope, a sampling barrel, a floating ball and a pull rope, the lifting rope is sleeved with a sliding frame in a sliding mode, and the floating ball is horizontally installed on the sliding frame in a sliding mode and connected with the sliding frame through an elastic piece. A winding unit is arranged on the sliding frame; a piston plate is mounted in the sampling barrel in an up-down sliding manner, is connected with the sampling barrel through an elastic rope, and is connected with a lifting rope through a piston column. The stopping assembly is arranged to limit movement of the piston column, the releasing amount of the pull rope is adjusted according to movement of the floating ball under the action of water flow, the stopping assembly is unlocked through the pull rope connected to the floating ball, when the sampling barrel reaches the sampling depth, the pull rope is just tightened to relieve limitation of the stopping assembly to the piston column, and it is guaranteed that the sampling barrel conducts sampling at the sampling depth; the influence of movement of the floating ball under the water flow effect on the sampling depth of the sampling barrel is eliminated, and sampling is more accurate.

The invention discloses a method for completing an autonomous deep-sea exploration task by a deep-sea cross-domain unmanned aerial vehicle. The method comprises the following steps: determining a target area; taking off to a specified height from the sea level, receiving a task execution command and then flying to a target area; when the relative distance between the current position and the coordinates of the target area reaches a preset value, descending; when it is detected that the device is contacted with seawater, the device dives through gravity; when it is detected that the set depth is reached, the propeller is restarted, and the detection task is executed; after the detection task is completed, the standby battery is rejected and ascends; after leaving the water surface, rising to a specified height and switching to a homeward flight mode; and when the deep-sea cross-domain unmanned aerial vehicle is within the sight distance range, a manual landing task is executed. The invention further discloses the deep-sea cross-domain unmanned aerial vehicle. According to the unmanned aerial vehicle and the method, autonomous switching operation between an air medium and an underwater medium can be realized, and the unmanned aerial vehicle has the capability of autonomously completing detection and water body sampling in an extreme deep sea environment.

The invention provides a rainfall sampler for meteorological monitoring, and relates to the technical field of water sampling, the rainfall sampler comprises a placing box, and a water quality collecting mechanism is arranged in the placing box; the water collecting mechanism comprises a shaft rod, a circular plate, a turntable, an up-down moving part and an annular concave-convex plate; the shaft rod is connected into the containing box, the circular plate is connected with the shaft rod in the containing box, a gear disc is arranged on the shaft rod, arc-shaped grooves are formed in the gear disc and the circular plate, the rotating disc is in threaded connection with the shaft rod, the up-down moving part is slidably connected to the rotating disc and is opposite to the arc-shaped grooves, the annular concave-convex plate is fixedly connected into the containing box, and the up-down moving part annularly rotates on the annular concave-convex plate. The inner top wall of the placing box is communicated with an elastic plugging pipe mechanism, under the assistance of an annular concave-convex plate, up-down moving pieces are inserted into arc-shaped grooves in a circular plate and a gear disc at intervals to control the circular plate to rotate and ascend, when the circular plate rotates, respective sampling of a plurality of sampling bottles is achieved, and when the circular plate ascends, water overflow is avoided under the assistance of the elastic plugging pipe mechanism.

The invention provides an underground water sampling device with a protective structure, and relates to the technical field of underground water sampling, the underground water sampling device comprises a sampling bottle, the bottom of the sampling bottle is sleeved with a protective sleeve; a mounting cover is arranged at the top end of the sampling bottle; a sealing plug is arranged at the position, close to the top end, in the sampling bottle, two hooks are adjusted in the opposite directions to relieve hooking of a limiting clamping block, the sealing plug is driven to slide downwards along a limiting frame through the rebound pulling effect of a first extension spring, and underground water can enter the sampling bottle through a gap between a water inlet and the limiting frame; opening can be controlled according to the underground water collection position, accurate collection of different liquid layers is achieved, the accuracy of sample detection is guaranteed, and the problems that in the process of sampling different water levels, a sampling bottle needs to be controlled to be adjusted to be opened and closed, operation is troublesome, and time and labor are wasted are solved. And unsteady opening and closing control is easy to cause mixing of groundwater at different depths, so that the accuracy of groundwater analysis and detection is influenced.

The invention discloses an unmanned aerial vehicle water body fixed-point sampling device, which relates to the technical field of water sampling, and comprises an unmanned aerial vehicle body and a telescopic rod arranged below the unmanned aerial vehicle body, the airflow collecting mechanism is arranged outside the telescopic rod and can be automatically unfolded or folded according to lifting of the unmanned aerial vehicle body; the air collecting disc is located below the telescopic rod and used for collecting airflow; the airflow guiding mechanism is arranged at the bottom of the air collecting disc and used for circularly supplying air to the water surface from inside to outside; a sampling pipe capable of automatically rotating and moving downwards according to lifting of the unmanned aerial vehicle body and a spiral probe installed at the bottom of the sampling pipe and capable of synchronously rotating with the sampling pipe and moving downwards are arranged in the wind collecting disc, and wind power of the airflow guiding mechanism drives the water surface to regularly diffuse water ripples outwards, so that duckweeds are made to be away from a sampling center along with the ripples; water surface fluctuation is reduced, it is ensured that the water sample is not interfered by underwater sediment, and interference of underwater obstacles is further avoided through cooperation with the spiral probe which automatically rotates and moves downwards.

The invention relates to the technical field of sewage treatment, in particular to a dynamic regulation and control system for sewage treatment. The invention provides a sewage treatment dynamic regulation and control system which comprises an inlet water sampler, an outlet water sampler, a sampling switcher, a water quality analyzer and a controller, the inlet water sampler is used for collecting an inlet water sample, the outlet water sampler is used for collecting an outlet water sample, and the sampling switcher is used for sampling the outlet water sample according to a preset time interval. Controlling the water quality analyzer to alternately collect and detect inlet and outlet water samples; the controller receives the alternately obtained detection data, calculates the processing efficiency and outputs a process regulation and control instruction according to the processing efficiency; a plurality of sampling points are monitored through the sampling switcher, the water quality of inlet and outlet water is comprehensively monitored, regulation and control are more accurate, meanwhile, the frequency of automatic sampling is higher than that of manual sampling, and the timeliness of regulation and control is improved.

The invention belongs to the technical field of intermediate frequency furnace management and control, and particularly relates to an intermediate frequency furnace circulating water cooling monitoring system based on the Internet of Things, which comprises a water inlet monitoring unit, a water outlet monitoring unit, a circulating water sampling unit and a touch panel unit, the core parameters of the cooling water of the intermediate frequency furnace are accurately monitored in real time through the sensor technology and based on the Internet of Things, when any parameter exceeds the preset safety range, an operator is reminded to take necessary measures, and equipment overheating or other potential risks caused by insufficient cooling are prevented; the circulating water sampling unit is used for sampling water at the water inlet end of the intermediate frequency furnace and detecting the quality of the sampled water, a user is reminded to treat the circulating water of the intermediate frequency furnace when a circulating water abnormal signal is generated, safe operation of the intermediate frequency furnace is facilitated, the service life of the intermediate frequency furnace is prolonged, and the operation management difficulty of the intermediate frequency furnace is remarkably reduced; and the intelligent level is high.

The invention relates to the technical field of water treatment sampling, in particular to a convenient storable water body sampling device which comprises a sampling barrel, the length of the sampling barrel is adjustable, a plurality of longitudinally-arranged sampling holes are formed in the sampling barrel, and one-way assemblies which are in one-way communication with an inner cavity of the sampling barrel are arranged in the sampling holes; the sampling mechanism comprises a plurality of detachably connected sample storage barrels, and the sample storage barrels are longitudinally and movably arranged in an inner cavity of the sampling barrel; the sampling hole and the sample storage barrel are correspondingly arranged and are detachably communicated, and an external water sample enters the sample storage barrel from the sampling hole during sampling; the top seat is arranged at the top end of the sampling barrel, a driving assembly is arranged on the top seat, and the driving assembly is in transmission connection with the longitudinally-arranged sample storage barrel and used for controlling the sampling process of the sample storage barrel. The device is compact in mechanism and convenient to use, and the length-adjustable sampling barrel can adapt to sampling in water environments of different depths; the one-way assembly prevents the water sample from flowing back and ensures the sampling accuracy; and the detachably connected sample storage barrel is convenient for storage and subsequent analysis of the sample.

The invention discloses a water quality detection sampling device, and particularly relates to the technical field of water sampling, the water quality detection sampling device comprises a center shaft and a shell arranged on the outer surface of the center shaft, water inlet structures used for taking water are arranged on the lower portion of the inner surface of the shell in a bilateral symmetry mode, a sampling structure is arranged in an inner cavity of the center shaft, and a second sliding groove is formed in the upper end of the center shaft; a quick-connecting structure is arranged on the inner surface of the second sliding groove, a connecting groove matched with the quick-connecting structure is formed in the lower end of the center shaft, and guide rails in sliding connection with the shell are symmetrically arranged on the outer surface of the center shaft front and back. Through cooperation of the quick connection structure and the connection groove, the center shaft is quickly disassembled and assembled, and it is guaranteed that the shell smoothly moves along the guide rail; an air tap in the sampling structure pumps negative pressure to enable a water sample to automatically enter a sample storage cavity, a connecting assembly is movably matched with an L-shaped rod and a notch to open a turning plate, an arc-shaped elastic piece assisting component resets to close a channel, it is guaranteed that the sampling time is accurate, the water sample is free of impurities, and the water quality detection efficiency and accuracy are remarkably improved.

The invention belongs to the technical field of ocean sampling, and provides a pneumatic throwing type multi-channel self-sinking and floating trace seawater sampling device and a pneumatic throwing type multi-channel self-sinking and floating trace seawater sampling method. The device comprises a portable gas cylinder, a casting track, a self-sinking and floating type trace seawater sampler shell, a fixing frame, a pressure sensor, a control bin and the like, and after a seawater sample is collected, a fixing agent can be injected into the seawater sample to fix microorganisms in the seawater sample and the like. And the self-sinking and floating trace seawater sampler is far away from the trace element precipitation influence area of the scientific investigation ship in a pneumatic throwing manner. Meanwhile, the seawater sampling valve with the engineering plastic valve core and the flow channel is innovatively designed, and the seawater sample bin and the fixing agent bin on the inner surface are coated with engineering plastic, so that the interference caused by trace element precipitation of a metal structure of the sampler in the prior art is avoided.

The present invention relates to a water sampling immersion probe (50) for continuously filtering a water sample from wastewater (14). The water sampling immersion probe (50) includes a distal coarse filter (60) with a porosity of 0.1 to 1.0 mm, a proximal fine filter (70) arranged downstream of the coarse filter (60) and having a porosity of less than 5.0 μm, and a sample suction opening (74) arranged downstream of the fine filter (70). The coarse filter (60) is arranged to not contact the fine filter (70).

The invention relates to a rainfall sampler for meteorological monitoring, and belongs to the technical field of rainfall sampling equipment. Comprising a box body, a water pan arranged at the top of the box body, a rotating assembly arranged in the box body and a plurality of sampling bottles arranged on the bottom surface in the box body, and a plurality of first water inlet holes are formed in the top of the box body; the rotating assembly comprises a fixed shaft fixedly connected to the middle in the box body in the vertical direction, a middle rotating disc located above the fixed shaft, a connecting sleeve arranged at the bottom of the middle rotating disc and rotationally connected to the top end of the fixed shaft in a sleeving mode, and a water leakage hole eccentrically formed in the middle rotating disc. The first drainage cylinder is fixedly connected to the bottom of the middle rotating disc and corresponds to the water leakage hole, a gravity rotating mechanism is arranged between the fixing shaft and the connecting sleeve, and the sampling bottles are uniformly distributed around the fixing shaft. According to the invention, the problem that sampling equipment in the prior art needs power supply and is not suitable for a field working environment is solved.

The invention relates to the field of geothermal water detection, and discloses a geothermal water supply source and circulation depth calculation and determination method, which is used for solving the problem of result deviation caused by influence of bottom layer heat conductivity change during geothermal water source and depth determination, and comprises the following steps of: calculating a representative index of each geothermal well; selecting a representative geothermal well according to the representative index, collecting a final geothermal water sample of the representative geothermal well, carrying out water chemical analysis on the final geothermal water sample, carrying out isotopic tracing analysis on the final geothermal water sample according to a water chemical analysis result, and regularly measuring hydrogen isotope values of a plurality of rainfall sampling points. The gradient of the hydrogen isotope changing along with the elevation is obtained, the geothermal water supply elevation is calculated according to the elevation effect of the hydrogen isotope, a distributed hydrological model is combined with GIS space analysis, the supply area range is optimized, and the scientificity and rationality of geothermal resource development are effectively improved.

The present invention relates to the technical field of seawater sampling, and discloses an underwater robot seawater sampling device and method. Among them, an underwater robot seawater sampling device includes an outer frame assembly. A sampling mechanism is arranged inside the outer frame assembly. The sampling mechanism includes a main driving component, a driving component, an adjusting component and a sampling cylinder. The sampling cylinder is arranged at the bottom of the main driving component. The adjusting component is arranged at the bottom outside the sampling cylinder. The driving component is connected to the bottom of the adjusting component. When the main driving component drives the sampling cylinder to descend to a specified depth, the adjusting component is started to change the bottom of the sampling cylinder from a sealed state to a sampling state to perform seawater sampling at the specified depth; by setting multiple groups of sampling structures, seawater at different depths is sampled and sealed separately. When moving to a certain specified depth, one of the sampling mechanisms is opened for sampling. When moving to the next specified depth, another unused sampling mechanism is opened for sampling.

The invention discloses a lake self-settling layered water sampling device and method, and belongs to the technical field of water quality monitoring. The device comprises a bearing table floating on the water surface, a main control box is arranged in the middle of the bearing table, the bottom of the main control box is connected with a rope-controlled lifting assembly, and the rope-controlled lifting assembly is connected with a self-settling water sampling assembly through a pull rope; the rope-controlled lifting assembly comprises an adjustable-speed motor, a rope winding roller and a depth detection unit, the self-settling water sampling assembly comprises a multi-cavity water sampling barrel and a counterweight cabin, and the main control module coordinates all the assemblies to realize stratified sampling. The invention further discloses a lake self-settling layering water sampling method. The device can accurately obtain water samples in different depths of lakes, and is suitable for scenes of lake ecological monitoring, water quality analysis and the like.

The invention discloses an underground water sampling device capable of preventing cross contamination. The underground water sampling device comprises a cable type lifting machine; the wire wheel seat is driven by a cable type lifting machine to move up and down, and a carrying table is fixed at the bottom of the wire wheel seat; the motor is fixed on the top surface of the carrying table; and the stratified sampling mechanism is fixed on the bottom surface of the carrying table, is driven by a motor, and can perform synchronous sampling operation on a plurality of sections of underground water. According to the device, through layered synchronous sampling, dynamic sealing control and modular residue prevention design, the goals of high fidelity and low pollution of underground water sampling are achieved, and the device is particularly suitable for application scenes such as deeper underground water monitoring sites and the like which have strict requirements on data precision.

The invention provides a water bloom prediction method and system based on ecological niche fitness, and belongs to the technical field of water bloom prediction. In the training stage, a water sample collection method based on high time resolution is adopted, the fluctuation condition of the density of different types of algae along with time can be effectively reflected, the growth trend of the different types of algae can be more clearly reflected, and the prediction precision of the model is improved; in the prediction stage, the ecological niche fitness of competitive growth of different algae is quantitatively analyzed through a multi-fractal detrending coupling fluctuation analysis method, and the competitive growth relation of different types of algae under natural conditions is reflected; water quality data monitored by an automatic monitoring station in real time and ecological niche fitness of competitive growth of different algae are used as input, the concentration of key dominant algae can be predicted in real time, the spatial-temporal heterogeneity and the rapid dynamic change process of the algae are reflected, and an effective theoretical support is provided for early warning of algal bloom outbreak.

The invention relates to the technical field of intelligent monitoring, and discloses a full-automatic sediment monitoring method and system.The method comprises the steps that a water sampling and distributing unit samples a target water area based on real-time sampling control parameters and conveys a sampled first water sample to a flow cell unit based on sampling control parameters; the flow cell unit simulates and forms a water sample monitoring water area environment matched with the target water area condition; the detection unit detects the water sample in the flow cell unit through a target detection method based on the detection control parameters to obtain a sediment detection result at least containing the sediment content; the reserved sample unit is used for extracting a reserved sample water sample for verifying the sediment detection result from the flow cell unit based on the reserved sample control parameters, and storing the reserved sample water sample and corresponding multi-dimensional water sample parameters. Therefore, the sediment condition of the related water area can be automatically and intelligently tested based on the full-automatic sediment monitoring system, and the testing efficiency and testing accuracy of the sediment condition can be improved.

The invention relates to the technical field of layered water pumping sampling equipment for tests, and particularly discloses a layered water pumping device for a sedimentary deeply-buried heat storage test, which is used for respectively pumping water from water-bearing layers with different depths in the same test well, and comprises a sleeve, a submersible pump and a righting pipe, the sleeve is arranged in the test well and sequentially penetrates out of a plurality of water-bearing layers, and the righting pipe is connected with the submersible pump; a water stop expansion piece is arranged at the part, adjacent to the aquifer, of the sleeve; multiple sets of water inlet holes are formed in the part, located in the same aquifer, of the sleeve in an annular array mode, the elastic piece drives the valve plate to rotate so that the valve holes and the water inlet holes can be staggered, water in the current aquifer can be prevented from entering the sleeve, and then layered water pumping is achieved. A plurality of negative pressure sampling pipes are arranged in the centralizing pipe, intermittent sampling is conducted on water when the submersible pump pumps water on different water layers through the negative pressure sampling pipes in the centralizing pipe, and the problems that during multi-layer water pumping, the difficulty of separating each water layer and sampling is large, the sampling operation time is long, the sampling amount is increased, and manpower consumption is large are solved.

The invention relates to the technical field of water sampling equipment, and provides a seawater sampling device based on an unmanned aerial vehicle and a sampling control method, the seawater sampling device comprises the unmanned aerial vehicle, a traction device, a liquid storage device and a sampling sub-device; the sampling sub-device is fixed below the unmanned aerial vehicle in a lifting manner through a traction device, and is used for landing to a set position area of seawater to realize seawater sampling; the liquid storage device is arranged on the unmanned aerial vehicle, and samples are taken from the sampling sub-device through a liquid taking pipe and stored; the liquid storage device is provided with a plurality of partitions, each partition is spaced to form an independent storage space, each partition is connected with an independent flow dividing pipe, and the upper end of the liquid taking pipe is connected with each flow dividing pipe through an arranged flow dividing bin; and a valve is arranged at the joint of the shunting bin and each shunting pipe. According to the device disclosed by the invention, water in different areas is separated and stored after being sampled, multi-point sampling in different areas in one flight is realized, the back-and-forth flight frequency of the unmanned aerial vehicle is reduced, and the sampling efficiency is improved.

The utility model is applicable to the technical field of environmental protection and hydraulic engineering, and provides an automatic water quality sampler which comprises a sampling cylinder, a cavity is formed in the sampling cylinder, opposite through openings are formed in the top end and the bottom end of the sampling cylinder, and electromagnetic valves are arranged at the two opposite openings; the upper electromagnetic valve and the lower electromagnetic valve are arranged at the upper opening and the lower opening of the sampling cylinder, after sampling at the specified depth, the upper opening and the lower opening of the sampling cylinder are directly closed through the electromagnetic valves, and the situation that the actual depth of a sampled sample is affected due to the fact that the valves are opened due to possible secondary lowering action in the sampling process is avoided; the pressure sensor is arranged on the sampling cylinder, so that the water depth of the sampler can be detected in real time, the depth can be recorded as required, and the water depth can be measured while a water sample is collected; water sampling at a specified depth can be realized through a preset depth value, when the pressure sensor detects that the specified depth is reached, the electromagnetic valve is automatically controlled to be closed, and then water sampling at the specified depth is completed.

A water quality simulation method for plant-network-river integrated water supply, comprising steps such as river channel water source simulation, dynamic analysis of the quality of water from a water sampling point, construction of a model for predicting the quality of water in a water supply pipe network, data interface development, one-dimensional simulation of hydrodynamics and water quality in a pipe network, and integrated model integration and automation. In the method, open-source software OpenFOAM and EPANET-MSX can be used to achieve continuous simulation and real-time update of water quality and hydrodynamic parameters from a river channel to a water supply pipe network by means of an automated script and data interface. The model integrates the treatment effects of water quality purification plants, and the water quality purification plants are simplified into processing nodes on a pipeline system, thereby ensuring the authenticity and accuracy of simulation results. The present method is easy to operate and implement, and allows for automatic generation of a water quality parameter time-series plot, thereby greatly improving simulation efficiency. Water supply enterprises and water conservancy departments can use the method to establish a water supply quality information management system, perform long-time series prediction, optimize daily management and maintenance, and formulate water quality safety guarantee measures, and the method has significant practical value and wide application prospects.

The application provides a wastewater sampling device for water pollution detection and a sampling method in the technical field of environmental monitoring. The wastewater sampling device comprises a support table, a rotating sleeve is rotatably installed on the support table, a conical bottom cylinder is penetratingly and slidably installed in the rotating sleeve, a plurality of ice-breaking tooth plates are symmetrically distributed and welded at the bottom end position of the conical bottom cylinder, a first gear is fixedly sleeved on the outer wall of the rotating sleeve, a first motor is fixedly installed on the top of the support table, a second gear is fixedly sleeved on the output end of the first motor, and the first gear is engaged with the second gear. The wastewater sampling device for water pollution detection has the advantages of automatic ice-breaking function, water collection in the water area with ice, multi-dimensional visual signal prompting, and the like, so that the operator can timely judge whether the water tank is full.

The invention discloses a wetland ecological monitoring floating device based on an intelligent sensor, and relates to the technical field of ecological monitoring. The wetland ecological monitoring floating device based on the intelligent sensor comprises a floating seat, a processor, a shooting device and a sampling mechanism, the sampling mechanism comprises a liquid storage tank and a pump body, a right-angle plate is fixedly connected to the side of the top of the liquid storage tank, and a first strip-shaped hole and a second strip-shaped hole are sequentially formed in the surface of the right-angle plate; a sampling module is installed on the surface of the right-angle plate through a first strip-shaped hole and a second strip-shaped hole, the sampling module comprises a main pipe and an air cylinder, a bending frame is slidably installed on the surface of the right-angle plate through the first strip-shaped hole, a four-claw clamping piece is fixedly connected to the outer circle face of the main pipe, and a cylindrical protrusion is fixedly connected to the middle of the surface of the right-angle plate; the purpose of accurate monitoring is achieved, water sampling is convenient, soaking in water is avoided, and wetland ecology monitoring is accurate.

The invention discloses an urban underground space aquifer underground water sampling device, and belongs to the technical field of water sampling. An urban underground space aquifer underground water sampling device comprises an outer cylinder, the top end of which is provided with a second one-way valve only allowing gas in the outer cylinder to flow out; the top end of the sampling barrel is provided with a first one-way valve only allowing gas in the sampling barrel to flow out; the filtering assembly is used for filtering a water body and comprises a fixed cylinder and a sliding cylinder; the filter assembly can be closed by forming the vertically staggered through holes in the fixed barrel and the sliding barrel, water cannot enter the filter assembly at the moment, and when the sampling barrel is located at the sampling depth, the first through hole and the second through hole which are vertically staggered coincide, so that the filter assembly is opened; at the moment, the water body can enter the filtering assembly and then enter the sampling barrel, so that the problem of inaccurate sampling of equipment for sampling the water sample at the fixed depth in the prior art is solved.

The present invention discloses a stratified water sampling device for water quality testing, which belongs to the field of environmental monitoring and includes a mother chamber and a sampling device. The mother chamber includes an installation chamber and a pressure chamber. The installation chamber is arranged on the top of the pressure chamber, and the top of the installation chamber is open. The sampling device is arranged in the installation chamber. The sampling device includes a collecting bottle and an opening and closing mechanism, and the opening and closing mechanism is slidably arranged in the collecting bottle. The present invention can more accurately perform fixed-depth stratified sampling of water bodies, and can cope with various water body conditions by adjusting the water pressure. According to needs, multiple devices of the present invention can be bundled and centrally released through external equipment. A single release can complete the sampling of multi-layer water bodies, which is more efficient. In addition, the split design of the collecting bottle makes it easier to take and transport after sampling is completed.

The invention relates to a water quality emergency scheduling method based on multi-platform linkage, and the method comprises the steps: enabling an emergency monitoring vehicle to drive to a preset emergency response point along the bank of a water area after a satellite remote sensing system captures a water quality abnormal signal; an unmanned aerial vehicle carrying a hyperspectral lens flies to an abnormal water area according to a planned route to collect spectral data, and an abnormal range is interpreted and narrowed to a worst pollution area in real time through a data processing server; then, the unmanned ship goes to the area according to a planned route to monitor water quality parameters in real time, the data processing server determines an optimal water sampling point, and the unmanned ship automatically completes water sampling; finally, the data processing server generates a water quality report and reports the report to a command center, and the command center starts an emergency disposal scheme.

The invention belongs to the technical field of water sampling, and particularly relates to an underwater in-situ fidelity sampler and method.The sampler comprises a sealed cabin, a multi-way valve, a water taking assembly, a storage assembly and a control unit are arranged in the sealed cabin, the water taking assembly is connected with the common end of the multi-way valve, and a first connector of the multi-way valve is communicated with an external water area of the sealed cabin; each second connector of the multi-way valve is connected with one storage assembly. The water taking assembly, the multi-way valve and the storage assembly are all in signal connection with the control unit. And the multi-way valve acts, so that the water taking assembly, the multi-way valve and the storage assembly are in a first connection state or a second connection state. When water is taken at different points, the multi-way valve is controlled to rotate to different second connectors, samples collected at different points are stored in different storage assemblies, in-situ water taking at different underwater points is achieved, and it is guaranteed that all the points are independent of one another and free of interference and pollution.