81results about How to "Realize automatic sampling" patented technology

Provided is an automatic sampling device for malodorous gas. The automatic sampling device comprises a seal box, a measurement control unit and a gas concentration monitoring and alarming unit; the gas concentration monitoring and alarming unit comprises a concentration measurement module and an alarming module, and the alarming module sends an alarming signal to the measurement control unit after the odor concentration exceeds the set threshold value concentration; the seal box is internally provided with a gas bag collecting sampling gas, the gas bag is provided with a gas bag gas nipple which penetrates through the seal box to be connected to one end of a two-way solenoid valve, and the other end of the two-way solenoid valve is connected with a sampling inlet; the measurement control unit comprises a monitoring and alarming signal processing module receiving the alarming signal, a solenoid valve control module and a sampling pump control module, and the solenoid valve control module is electrically connected with the two-way solenoid valve so as to control switching-on and switching-off of the two-way solenoid valve. The sampling device is used for achieving on-site automatic identifying and sampling of the malodorous gas, and the problem that the best opportunity of sampling is missed due to the fact that a traditional method depends on artificial olfaction is solved.

The invention discloses an automatic satellite synchronization surface layer columnar water sample collection system and an automatic satellite synchronization surface layer columnar water sample collection device. The automatic collection system comprises a cloud detection module, an overlay analysis module, a command generation module, a short message receiving-transmitting module, a short message controller, a micro electric windlass and a sampling device, wherein the short message controller receives a sampling command short message to drive the micro electric windlass, and the micro electric windlass drives the sampling device to sample water; the sampling device comprises a sampler and a hoisting mechanism. By adopting the automatic satellite synchronization surface layer columnar water sample collection system, the automatic sampling is realized; the sampling device is simple in structure and few in moving parts, has no precise element, is sealed in an elastic film torsion manner and is low in cost, reliable in action, easy to maintain and suitable for long-time field guard and multi-point installation and layout; the pollution of lake water for the sampler can be avoided, the interference of the sampler for planktons on the surface layer of the water also can be avoided, and the reliability of a sample can be improved.

The invention provides a liquid chromatographic sampling passage cleaning device. The liquid chromatographic sampling passage cleaning device mainly comprises a microfluidic pump, a compressed air source, a capillary flow limiter, a liquid-gas switching valve, a sampling-cleaning switching valve, a waste liquid collecting cup, a waste liquid bottle, a sampling valve, a sampling port and a program controller. After sampling, a cleaning solution is used for reversely rinsing a liquid chromatographic sampling passage to reversely rinse particles left on a filter in the sampling process and discharge the particles out of a sampling pipeline first and then microflow gas is used for reversely purging the sampling passage to expel liquid left inside the pipeline so as to avoid sample dilution during sampling once again. The liquid chromatographic sampling passage cleaning device is suitable for various analytical-grade liquid chromatographs, comprising positive chromatography, reverse chromatography, ion chromatography and the like, as well as suitable for cleaning a sampling loop for flow injection analysis, so that cross pollution of samples is avoided, the sampling repeating precision is improved, and the service life of the sampling filter can be greatly prolonged.

The invention discloses an online detection method for scrap iron content in pivoting support lubricating grease and a lubricating grease online detection device. Automatic sampling of solid lubricating grease is achieved by using a lubricating grease online detection device in the online detection method. The scrap iron content in the lubricating grease is determined by using an inductance value change of a detection coil caused by scrap iron mill grains in the lubricating grease, so as to effectively judge the abrasion degree inside a pivoting support raceway; a real-time detection value is compared with a preset pre-warning value to judge whether the lubricating grease loses efficacy, so as to provide reference for optimization of the lubricating condition of the raceway. By adopting the online detection method, the online sampling difficulty due to the fact that the solid lubricating grease cannot flow is radically solved, online detection is achieved, the problems of long analysis period, complicated detection process and the like in off-line detection are avoided, and the online detection method has important significance on evaluation of the pivoting support operation state, improvement of the lubricating condition, effective prolonging of the service life of the pivoting support, and improvement of the operation reliability. The method is simple, easy to achieve, and high in automatic degree.

The invention discloses multifunctional electrostatic spinning equipment. The multifunctional electrostatic spinning equipment comprises electrostatic spinning chambers, a preprocessing chamber, a sampling chamber, a disk feeding chamber and a sample receiving chamber and can achieve the functions of self-cleaning of electrostatic spinning nozzles, automatic sampling and sample replacing, in-situ modifying, continuous preparing of multi-layer nanofiber thin films and the like. The multifunctional electrostatic spinning equipment is characterized in that the three electrostatic spinning chambers are each provided with a nozzle fixator which can fix and clean the corresponding nozzle so that electrostatic spinning can be conducted smoothly; the sample receiving chamber comprises a sample disk fixator which is used for controlling rotation of sampling disks so that the sample disks can be switched between different units, and the functions of preprocessing, automatic sampling, automatic disk loading, preparing of the multi-layer nanofiber thin films and the like can be achieved. The preprocessing chamber and the sampling chamber can achieve preprocessing, acquisition and modification of electrostatic spinning products. The disk feeding chamber can automatically supplement the sample receiving chamber with the sample disks. The multifunctional electrostatic spinning equipment has the advantages of being simple in structure, convenient to operate and capable of improving the electrostatic spinning efficiency, having multiple functions and the like.

The invention discloses a full-automatic immuno-quantitation analyzer, which comprises a centrifugal rotary disk mechanism, a moving needle insertion mechanism, a sample moving mechanism, a detection card moving mechanism, a scanning mechanism, a needle washing mechanism and a fluid path control mechanism. The centrifugal rotary disk mechanism is used for fixing blood collection tubes and centrifuging samples in the blood collection tubes. The moving needle insertion mechanism is used for drawing and dripping the centrifuged samples in the blood collection tubes. The sample moving mechanism is used for moving the moving needle insertion mechanism with the drawn samples to be above the detection card moving mechanism. The detection card moving mechanism is used for placing detection cards and moving the detection cards with the samples dripped therein to a detection station. The scanning mechanism is used for scanning the detection cards on the detection station and then outputting a scanning result. The needle washing mechanism is used for washing the sampling needles of the moving needle insertion mechanism. The fluid path control mechanism is used for controlling the fluid flowing condition of the entire analyzer. The full-automatic immuno-quantitation analyzer can be used for detecting biological samples.

The invention discloses a sinking-to-bottom type shrimp catcher, and aims at providing the sinking-to-bottom type shrimp catcher which is small in yield, convenient to operate and capable of automatically floating up and automatically conducting sampling after catching shrimps. The sinking-to-bottom type shrimp catcher comprises a supporting frame and a plurality of automatic floating-up catcher bodies arranged on the supporting frame. Each automatic floating-up catcher body comprises a vertical limiting sleeve arranged on the supporting frame, a mesh-shaped shrimp catching cylinder inserted in the vertical limiting sleeve, a floating ball and an automatic releasing device arranged on the mesh-shaped shrimp catching cylinder, wherein an upper limiting block is arranged at the position, above the vertical limiting sleeve, of the upper portion of the outer side face of the mesh-shaped shrimp catching cylinder, an inverted conical limiting sleeve with the section area gradually increased from bottom to top is arranged in the middle of the inner bottom face of the mesh-shaped shrimp catching cylinder, the upper end and the lower end of the inverted conical limiting sleeve are provided openings, a shrimp inlet corresponding to the lower end opening of the inverted conical limiting sleeve is formed in the middle of the bottom face of the mesh-shaped shrimp catching cylinder, and a buoyancy device capable of making the mesh-shaped shrimp catching cylinder float up is arranged in the mesh-shaped shrimp catching cylinder.

The invention relates to an on-site testing device and a determination method of explosiveness of mixed gas. The device comprises an automatic gas sampling system, an explosion cavity body, a fire retardant pressure release system, a superhigh temperature ignition system, an intelligent control and data acquisition and analysis system and a power supply that are arranged in a box body. The automatic sampling system automatically sucks mixed gas on site into the explosion cavity body; the superhigh temperature ignition system performs ignition testing on the unknown mixed gas in the explosion cavity body; pressure and temperature variations in the explosion cavity body are determined for quick explosiveness judgement; and double judgement indices of increments of maximum explosion pressure and maximum temperature in a burning and explosion process are provided. The testing device can achieve on-site quick explosiveness determination of the unknown mixed gas, is safe and reliable, and easy and simple to operate and can provide experimental decision bases for emergency treatment of a flammable and explosive gas leakage field.

The invention relates to the technical field of sewage treatment, in particular to an automatic water sample sampling device. The automatic water sample sampling device comprises a blow-down pipe, a box, a water receiver, a sample outlet pipe and a sampling bottle, wherein the water receiver, the sample outlet pipe and the sampling bottle are arranged in the box. The sample outlet pipe and the blow-down pipe are both connected with the water receiver. A sample outlet electromagnetic valve is arranged on the sample outlet pipe. A blow-down electromagnetic valve is arranged on the blow-down pipe. The sampling bottle corresponds to the sample outlet pipe. According to the automatic sampling device, water is temporarily stored in the water receiver, after the water is monitored through an online monitoring instrument, a water sample with the monitoring result reaching the standard is discharged out of the blow-down pipe, and a water sample with the monitoring result not reaching the standard is discharged into the sampling bottle from the sample outlet pipe. Online analysis abnormal water sample synchronous sampling can be achieved, an accurate sampling basis can be provided, and automatic sampling can be achieved. The automatic water sample sampling device has the advantages of being simple in structure, high in efficiency and capable of reducing cost.

The invention relates to the technical field of fluid sampling and provides a gravity flow liquid sampler. Bottle openings of multiple sampling bottles of the sampler are upward and arrayed on a rotation disc circumferentially. A power device is used for driving the rotation disc to rotate. The top end of a liquid discharging tube is used for leading in the fluid to be acquired, and the bottom end of the liquid discharging tube is arranged above rotation locations of the sampling bottles and used for enabling the fluid to be acquired to flow into the sampling bottles. A solenoid valve is used for controlling connection and disconnection of the liquid discharging tube. By the combination of a timing controller or a weighing device with a controller, starting and stopping of the power device and opening and closing of the solenoid valve are controlled with time or weight serving as the condition, so that the liquid discharging tube enables set duration or a set increment of the fluid to be acquired to flow into each sampling bottle. Multi-sample, quantitative and automatic sampling of the fluid to be acquired are achieved, automation of sampling of the gravity flow is achieved, manpower and material resources required to be invested in sampling are decreased, safety of a sampling process is improved, the outflow process lines of samples can be reacted accurately, the step is simple, and operation is facilitated.

The invention discloses a soil detection device. The soil detection device comprises a console, a longitudinal regulation mechanism and a sampling mechanism; a fixed mechanism is mounted on the lowersurface of the console; a transverse regulation mechanism is mounted at the left part of the console; a clamping mechanism is mounted on the transverse regulation mechanism; and the sampling mechanismis arranged on the console. According to the soil detection device, the sampling mechanism is arranged, so that while accurate sampling is implemented, soil at different depths can be simultaneouslysampled, thereby facilitating carrying out detection of the soil at different depths by an experimenter; scale marks are set, so that a sampling depth can be observed; the clamping mechanism is arranged, so that the sampling mechanism can be clamped by the clamping mechanism after sampling, thereby facilitating sampling by an inspector without holding a sample with a hand by the inspector and preventing the hand of the inspector from being damaged by polluted soil; and a drying box is arranged, so that the sample can be dried, thereby preventing influence of soil humidity on a detection result.

The invention discloses a multifunctional environment monitoring sampling device. The sampling device is arranged on an unmanned aerial vehicle (UAV). The UAV comprises a flight control system used for controlling the flight path of the UAV. Each sampler includes a control end and a sampling end. Each control end is composed of a control system used for controlling the corresponding sampler, an analysis system used for analyzing a signal received by the corresponding sampling end, and a display system used for displaying the result of analysis. Each sampling end is composed of a processing system and a sampling volume sensor. Each sampling volume sensor is connected with the corresponding sampler. The control ends and the sampling ends are connected with each other through a communication system, and thus, information and signal transmission between the sampling ends and the control ends is realized. The sampling device can sample water, air and soil samples simultaneously, and can carry out sampling in places inaccessible for human beings with the aid of an UAV as a carrier.

The invention relates to dynamic monitoring type bacterial culture equipment. The equipment comprises a sealed incubator, wherein a sampling monitoring device is arranged in the middle of the incubator; a sample rack capable of accommodating multiple culture dishes is arranged beside the sampling monitoring device; a multi-dimensional manipulator capable of grabbing the culture dishes from the sample rack, an uncapping manipulator capable of opening and closing culture dish caps, a real-time monitoring device capable of dynamically monitoring the culture dishes and a bar code reader used for identifying bar codes on each culture dish are arranged on the sampling monitoring device; the incubator is configured with a computer; the real-time monitoring device can photograph the culture dishes and transmit pictures to a mobile terminal through a computer network. According to the dynamic monitoring type bacterial culture equipment, complicated manual procedures are saved, automatic sampling, uncapping and dynamic monitoring functions can be realized simultaneously, dynamic information of bacterial growth can be mastered at any time and fed back to a worker in a laboratory in time, and accordingly, follow-up detection work can be carried out in time.

The invention discloses a shrimp sample collection device for biological quality monitoring. An objective is to provide a shrimp sample collection device which is small in yield, convenient in operation, and can automatically float after shrimps are caught, and realizes automatic sampling. The device comprises a support frame, a mesh shrimping cylinder, a gravity ball, and an automatic release device arranged on the mesh shrimping cylinder. The support frame is provided with a vertical stop collar. The mesh shrimping cylinder is inserted in the vertical stop collar. The upper part of the outer side surface of the mesh shrimping cylinder, above the vertical stop collar, is provided with an upper limiting block. The middle part of the bottom surface in the shrimping cylinder is provided with a conical limiting guide sleeve whose cross section area gradually reduces from bottom to top. The upper end and the lower end of the conical limiting guide sleeve are provided with openings. The middle part of the bottom surface of the shrimping cylinder is provided with a shrimp inlet corresponding to the lower end port of the conical limiting guide sleeve. The mesh shrimping cylinder is internally provided with a buoyancy device which makes the mesh shrimping cylinder float.

The invention discloses a water conservancy and hydrology surveying and sampling method. The method is characterized by comprising the following steps: step a, a surveying and sampling device is designed; b, before surveying and sampling,a base is vertically arranged in water of a river channel, and a plurality of groups of sampling boxes are vertically arranged side by side; c, during surveying and sampling, when the water level rises due to external rainstorm, the floating frame slides upwards along the sliding rails under the action of buoyancy, the whole water guiding assembly is pushed upwards through the floating frame, the sliding plate of the water guiding assembly slides upwards along the front sliding rail, and after the water level rises to the position of a set of sampling boxes close to the water surface, the sealing assembly is jacked open when the water guide assembly ascends to reach the sampling hole, the water guide assembly is communicated with the sampling hole, and water at the position is poured into the sampling box through the sampling hole; and step d, after the water level falls off, all the sampling boxes are taken down integrally, so that hydrological samples corresponding to different water level heights can be obtained.

The invention discloses a large-area ground surface coverage classification method based on a multi-layer perceptual neural network. The invention relates to the technical field of land surface remotesensing. The problem that an existing ground surface coverage classification method is difficult to effectively reflect the space-time pattern and the conversion rule of large-scale ground surface coverage, and use is limited due to the fact that large-scale application cannot be achieved are solved. The method comprises steps of performing ground surface reflectance calculation on the multiple remote sensing images, and performing spatial correspondence on the to-be-classified image and the surface classification result set image through a geographic automatic registration algorithm; and automatically generating a reflectance sample set through an unsupervised sample library; constructing a high-generalization space-spectral feature data training set suitable for a multi-layer perceptionalgorithm to complete model training; based on the trained multi-layer perceptual neural network model, interpreting the images in the scale range, and meanwhile, performing local optimization in combination with a semantic proximity optimization model to improve the miscellaneous property after classification. And a multi-GPU process block interpretation and inlaying mode is utilized to quicklycomplete land cover classification and inlaying of a graph.

The invention relates to a food detection rapid sampling device which comprises a sampling box, a sample inlet and a sample outlet are formed in the top and one side of the sampling box respectively,and a storage mechanism used for storing a sample is installed in the sampling box; a sampling barrel with two open ends is mounted above the sampling box, and the sampling barrel can move horizontally and turn over up and down; the sampling barrel is turned downwards to a horizontal state and horizontally moved to one side of the sampling box for sampling, then the sampling barrel is horizontallymoved to a position above the sample inlet, and the sampling barrel is turned upwards to an inclined state, so that the sample in the sampling barrel slides into the storage mechanism in the samplingbox from the sample inlet. The device has the advantages that food sample can be automatically and quickly sampled, and the sampling box is in a sealed state, so that the sample is prevented from being polluted.

The invention provides a remote automatic sampling and centralized dispatching method for ash, which comprises the following steps: step 1, metering gross weight of an ash coke tank car passing through a wagon balance, and automatically displaying a discharge point on an electronic screen at the wagon balance; the ash coke tank car is driven to a designated discharging point, and card swiping operation is conducted on a card swiping machine through a car pass; 2, the card reading equipment judges whether the information of the coke tank car is consistent or not; 3, if the information of the coke tank car is consistent, connecting a discharging pipeline of the coke tank car with a powder ash feeding pipe, and starting ash discharging operation; the automatic sampling machine starts automatic sampling; and step 4, after ash discharging is finished, pressing down a finishing button, turning off the green indicator lamp, turning on the red lamp, removing the discharging pipeline of the coke tank car, finishing sampling by the automatic sampler, and leaving the coke tank car. By means of the method, automatic sampling of the ash can be achieved, the working intensity of personnel is relieved, the working environment of the personnel is improved, the working efficiency is improved, and the real quality level of the ash can be reflected.

The invention discloses an online grain sampler, comprising a seed protector, a seed baffle, a material receiving hole wheel support frame and the like. The seed protector is an integrated structure integrated with seed separating, seed guiding and seed protecting; the seed protector can be matched with the material receiving hole wheel to separate excessive seeds and also can ensure an acquired sample to be accurately dropped into a detection position; the seed baffle is a mounting plate provided with a semi-elliptical through hole and a return opening; the material receiving hole wheel is a sampling device integrated with multiple functions such as sampling, seed protecting, carrying and cleaning; the support frame is a limit, dustproof and diversion bracket which is provided with a dip angle on one side and has an included angle between the bottom surface and a plumb line larger than a material artesian angle; the upper half part of the material receiving hole wheel extends from the semi-elliptical through hole and the lower half part of the material receiving hole wheel is still in a detection chamber when the material receiving hole wheel is in operation; the detection chamber is relatively sealed, and capable of adapting to high-humidity and high-dust detection environment; and no seed is damaged during sampling, reliability is good, and quantity of the acquired samples can be guaranteed to meet detection requirement.

The invention relates to a rare-earth magnetic powder automatic sampling device arranged on a jet mill, which belongs to the technical field of rare-earth magnetic powder processing components. The device is characterized in that the device consists of hoppers, a feed box, a sampling mechanism, a pneumatic driving mechanism and the like. One end of the upper hopper and one end of the lower hopper are arranged on the rare-earth magnetic powder processing jet mill, while the other ends are correspondingly connected with the upper side and the lower side of the hollow, closed and cuboid feed box; the middle part of the feed box is provided with a sampling disk of the sampling mechanism and a sealing plate, and the lower position of the middle part of the feed box is correspondingly provided with a sampling funnel; the pneumatic driving mechanism consists of polish rods, a groove-shaped base, a piston inner cylinder, a piston rod, a cylinder I and a cylinder II; two polish rods are fixed on the groove-shaped base; the cylinder I is fixed on one end of the groove-shaped base, connected with the two polish rods through a connecting plate and fixes the piston inner cylinder, and the other end of piston inner cylinder is connected with the sampling disk; the other cylinder II is connected with the two polish rods through a connecting plate and fixes the piston rod, and the other end of the piston rod is connected with the sealing plate; and all the mechanisms are controlled by a PLC to act in sequence. The device solves the problems of large labor intensity, low working efficiency, and poor representation of the magnetic powder samples caused by manual sampling. The device has the advantages of novel and reasonable structure, convenient operation and good sampling precision and can automatically collect rare-earth magnetic powder samples in argon gas atmosphere at regular time and in equal proportion.

The invention discloses a whole-plant corn silage sample collecting and density measuring device, and relates to the field of agricultural machinery. The whole-plant corn silage sample collecting anddensity measuring device comprises a walking mechanism, wherein the walking mechanism comprises a walking bottom plate, a walking motor and walking wheels; a plurality of walking wheels are mounted atthe bottom of the walking bottom plate; the walking wheels are connected with the walking motor; the walking motor can be mounted on the walking bottom plate; a stretching mechanism is mounted on thewalking bottom plate; the stretching mechanism is connected with a density sampling mechanism and a surface removing mechanism. Through mechanical mechanisms, the problems of silage density determination and representative sample collection are effectively solved; through the density sampling mechanism, automatic sampling of corn silage is achieved; through arrangement of a unidirectionally-driven conveyor belt mechanism, unidirectional movement of a sampling tube is achieved; through a pressure effect of a rubber film on a slide block, fixation and disengagement of the sampling tube are realized; the whole-plant corn silage sample collecting and density measuring device is ingenious in design and low in cost.

The invention provides a soil sample collection device for agricultural soil testing and formulated fertilization, and relates to the technical field of soil sample collection. The soil sample collecting device for agricultural soil testing and formulated fertilization comprises a sampling mechanism and a fixing box, the sampling mechanism comprises a mounting block, a fixing rod, a lifting rod, a connecting arm, a lifting block, connecting arm rods and a fixing rod, and the adjacent ends of the two connecting arm rods are rotationally connected to the two ends of the lifting block respectively; the middle of the lifting block is fixedly connected with the lifting rod, and the outer side of the lifting rod is slidably connected into the middle of the mounting block. The small gear can be driven to rotate through the motor, the outer side of the small gear is connected to one side of the upper portion of the double-face rack in a meshed mode, then the double-face rack moves up and down, soil can be better excavated and sampled, automatic sampling can be achieved, the automation degree is higher, soil can be automatically collected according to different soil environments, time and labor are saved, and efficiency is high.

The invention relates to the technical field of coal sample quality inspection, and particularly discloses a coal sampling method and a sampling vehicle. The method is used for sampling a coal pile, and comprises the following steps of acquiring the morphology of the coal pile, and determining the volume of the coal pile, calculating the weight of the coal pile by using the density of the coal pile, determining sampling units according to the weight of the coal pile, and acquiring coordinates of a plurality of subsample collection areas in each sampling unit, moving the sampling vehicle to a position near a sub-sample collection area, enabling the shooting device to shoot a coal pile located in the sub-sample collection area, enabling the sampling head to sample a coal sample corresponding to the subsample collection area, and enabling the shooting device to shoot the coal pile located in the subsample collection area again. By means of the arrangement, sampling efficiency, sampling precision and field adaptability can be improved, labor cost is reduced, and interference of human factors is avoided. By means of the lifting arm and the manipulator on the sampling vehicle, the flexibility of the sampling head can be improved, and the sampling position of the sampling head can be conveniently selected.

The invention relates to an automatic weighing system and method for solid particle or powder materials. The automatic weighing system comprises a sample weighing device, a source sample container, atarget sample container and a robot, and the sample weighing device comprises a sample input end, a sample weighing unit and a sample output end. The sample input end is arranged at one side of the sample weighing unit, and the sample output end is arranged at the other side of the sample weighing unit; the robot is used for conveying the source sample container to the sample input end of the sample weighing device and replacing the source sample container in the sample input end, at the same time, conveying the target sample container to the sample output end of the sample weighing device andreplacing the target sample container in the sample output end, and the sample weighing unit is used for quantitatively pouring the particle or powder materials in the source sample container at thesample input end into the target sample container at the sample output end. Compared with the prior art, the batch weighing of solid particle or powder samples during detection can be achieved, the automatic operation is achieved, and the weighing efficiency is high.

The invention discloses a sampling pump with an automatic angle change. The sampling pump comprises an operation board and a water quality sampling pump, wherein the operation board includes a storage battery, a step motor I, a step motor II, two take-up pulleys and two telescoping rods. The storage battery is located in the operation board; the step motors are connected to the storage battery in parallel; the two take-up pulleys are fixedly mounted on the step motor I and the step motor II, respectively; the two take-up pulleys are fixedly mounted at the rear ends of the two telescoping rods, respectively; and pulleys are installed at the front ends of the telescoping rods, respectively. The water quality sampling pump includes a step motor III, a sealed housing, a worm gear, a worm pricking pin tube, and a vacuum sampling tube, wherein the step motor III is installed in the sealed housing; the worm gear is fixed on the step motor III through a transmission shaft; and a worm pricking pin is connected to the worm gear and is fixed in a nut arranged at the upper end of the vacuum sampling tube. The beneficial effects of the invention are that automatic water sampling can be realized through the sampling pump and the accuracy of the sampling result can be ensured. A motor control rope is added on the sampling pump; multi-angle change of water sampling can be realized; and requirements of water sampling in deep water and shallow water can be realized.

The invention discloses a full-automatic sealed hydraulic oil sampling device, comprising a machine body driven by a wheel, wherein a sample bottle storage box is arranged on the machine body for placing a sample bottle and a sampler, three mechanical arms are further arranged on the machine body, wherein a screw capping claw module is arranged at the end part of one mechanical arm, gripping modules are arranged at the end parts of the other two mechanical arms, a camera is arranged on the machine body for taking an environment image, and an ultrasonic obstacle avoidance module is further provided for avoiding obstacles. The full-automatic sealed hydraulic oil sampling device can realize full-automatic sealing to perform a hydraulic oil sampling work, the collected sample is less polluted,and the detection result is accurate and reliable; and meanwhile full-automatic sampling with a long distance and multiple sampling points can be performed on natural water bodies.

The invention discloses an automatic sampling device of an acoustic Doppler velocimeter and a sampling method thereof. According to the sampling device, firstly a three-dimensional coordinate system is established above a water tank by arranging an X-direction guide rail, a Y-direction guide rail and a Z-direction guide rail, then a moving track of an ADV fixing device is established through an X-direction pulley, a Y-direction pulley and a Z-direction automatic spiral elevator separately, finally the automatic collection process of ADV probes on velocity data in the water tank by using a driving device and auxiliary electrical equipment is completed, and finally the collected data is transmitted to a computer terminal. The sampling method comprises the steps that the three-dimensional coordinate system established above the water tank is mainly adopted to obtain the sampling position of the probes, then different sampling points are sampled through computer instructions, and the collected data is transmitted back to the computer. A computer is used for controlling the acoustic Doppler velocimeter and a three-dimensional control device thereof to realize automatic, remote and accurate sampling.

The invention discloses a method and system for detecting the content of heavy metals in a soil environment sample, the system comprises a base, the bottom of the base is provided with a plurality of groups of caster assemblies, and the caster assemblies are used for driving the base to move to sample the soil environment; a sampling assembly is mounted on the base and is used for drilling into soil and extracting the soil into the detection system; a detection box body is arranged at the upper end of the base, and a material pressing assembly, a conveying assembly and a detector are arranged in the detection box body; wherein the material pressing assembly is used for crushing collected soil blocks; the conveying assembly is used for conveying the crushed soil block sample into a detector for detection; the sampling assembly is arranged to realize automatic sampling of a soil sample, manual contact with the soil sample is not needed, the detection safety performance is improved, the sampling assembly is provided with the soil drilling assembly to ensure loosening treatment of soil, and the spiral conveying mechanism is adopted to realize automatic collection and conveying of the soil sample, so that the sampling efficiency is improved. The automation of soil sample collection is realized.