74results about How to "Efficient sampling" patented technology

The invention provides a federated learning posterior inference method and system based on mutual information regularization, and the method is applied to a client, and comprises the steps: receiving an initialized global model or an updated global model; initializing a local model according to the initialized global model or the updated global model, and determining the initialized local model and prior probability distribution of the local model; carrying out model training on the initialized local model by adopting local data, and determining a loss function of the local model; according to the loss function of the local model, performing first updating processing on the local model based on back propagation; performing second updating processing on the local model according to Gaussian noise sampled from preset normal distribution; determining a local model change amount; and sending the local model change quantity to a server side. Through the method and the device, mutual information regularization of the global model and the data is introduced, deviation in posterior estimation is relieved, and generalization ability of the global model is improved.

The invention discloses a high-fidelity sampling device and method for a polluted site, and the device comprises a vehicle body module, the vehicle body module is provided with a power module, the power module comprises a driving seat, a rotating shaft, a lifting sliding block, a main control assembly, a fixed frame, a winch, a mast, a first hydraulic rod, a second hydraulic rod, and a lifting guide rail; a first hydraulic rod and a second hydraulic rod are obliquely arranged on the vehicle body module, the lower end of the first hydraulic rod and the lower end of the second hydraulic rod are connected with a support of the vehicle body module through a first supporting hydraulic cylinder and a second supporting hydraulic cylinder, the upper end of the first hydraulic rod and the upper end of the second hydraulic rod are fixedly connected with a fixing frame, and a winch and a mast are arranged on the top of the fixing frame. The high-fidelity sampling technology for the contaminated site aims to solve the technical problems that in an existing soil sample collection technology, a device is insufficient in sealing performance, single and asymmetric in structure and insufficient in sample fidelity when sampling is conducted in a complex soil layer and a deep soil layer.

A sliding ring comprises a sliding block and a sliding sleeve, the sliding block is inserted into a sliding hole, the near end of a steel wire is fixedly connected with the sliding block, and the sliding sleeve is arranged on the outer side of a core rod in a sleeving mode; elastic walls are arranged on the two sides of the sliding block, limiting grooves are formed in the two ends of the sliding sleeve, limiting blocks matched with the limiting grooves for limiting are arranged at the ends, opposite to the elastic walls, of the sliding block in a protruding mode, and buckles matched with the limiting grooves for limiting are arranged at the tail ends of the elastic walls in a protruding mode; the limiting pipe is arranged in the core rod, can rotate relative to the core rod, and is limited by the core rod in the moving direction of the steel wire; the near end of the outer tube is fixedly connected with the limiting tube, and the far end of the outer tube is rotatably connected with the forceps head assembly. When a user uses the sampling spoon, one hand pulls the steel wire by controlling the finger ring and the sliding ring to achieve the effect of opening and closing the sampling spoon, the other hand can directly rotate the core rod, so that the steel wire can rotate relative to the finger ring and the outer tube to drive the tong head assembly to rotate, gestures do not need to be replaced in the process, operation is convenient, and sampling is efficient.

The invention provides an underwater vehicle formation optimization method and system based on information, and belongs to the technical field of formation control based on underwater vehicles. Using sampling data, such as temperature and salinity data, collected by each aircraft in the queue, adopting a Gaussian process to construct and update an ocean feature field model, then under formation constraint, taking the estimated feature field uncertainty of the sampling position of the queue as a target function, adopting an optimization algorithm to optimize the target function to obtain a formation with the maximum information degree, and finally obtaining the formation with the maximum information degree. And the formation parameters are output to the cooperative controller, the cooperative controller obtains control parameters of the aircraft through control law calculation, the control parameters are output to the aircraft, control over the aircraft is achieved, and finally high-efficiency formation cooperative sampling is achieved. On one hand, the method has a formation optimization decision-making capability, and on the other hand, the method has a multi-aircraft cooperative sampling capability, so that efficient and high-quality sampling of the underwater vehicle under the constraint of the formation allowable error is realized.

A uniform weighing valuing type division system based on a weight reduction method comprises a shell, a feeding structure, a conveying structure, a weighing structure, a division structure, a sampling structure and a control module. The weighing structure is used for weighing the to-be-sampled material positioned on the feeding structure and the conveying structure; the control module drives a switching structure of the division structure to operate to switch the division discharge port according to real-time weight information fed back by the weighing structure and sampling weight input through the control module; a to-be-sampled material enters the shell from the feeding structure and then falls into the conveying structure, the conveying structure conveys the to-be-sampled material to the division feeding port, and the switching structure is driven by the control module to switch opening and closing of the sampling discharging port and the rejected sample discharging port. The uniform weighing valuing type division system based on the weight reduction method and the using method thereof are efficient, accurate and easy to operate, the efficiency and accuracy of the sampling process are improved, and the representativeness of samples is guaranteed.

The invention discloses drilling equipment for underwater rock and soil and an underwater rock and soil exploration method.The drilling equipment comprises a connecting plate, a mounting frame is arranged at the top end of the connecting plate, a lifting mechanism is arranged in the mounting frame, a speed reducer is arranged at one end of the lifting mechanism, a supporting frame is arranged at the top end of the speed reducer, and a second motor is arranged at the top end of the supporting frame; a limiting cleaning mechanism is arranged at the top end of the connecting plate, and a drilling hole is formed in the top end of the connecting plate; the limiting cleaning mechanism comprises a sliding shaft, a spiral disc, a spiral strip, a sliding strip, a spiral block, a limiting cleaning block, a third motor and a bevel gear, the sliding shaft is arranged at the top end of the connecting plate, and the spiral disc is arranged on the inner wall of the sliding shaft. The sampling rod is automatically limited and fixed in the sampling process through the limiting and cleaning mechanism, shaking or deviation of the sampling rod in the drilling process is prevented, the sampling accuracy is improved, meanwhile, residual moisture on the sampling rod can be removed after sampling, the influence of the moisture on a sample is reduced, and the sample quality is improved.

The invention relates to an unmanned grain pile sampling vehicle device which comprises a drilling mechanism, an air supply mechanism and an unmanned vehicle, the drilling mechanism comprises a shell, a drill rod and a drill bit, the drill rod is installed in the shell, the drill rod and the shell are in sealed connection, the drill rod can rotate relative to the shell, and the upper end of the drill rod is detachably and fixedly connected with a driving rod; the driving rod is used for driving the drill rod to rotate around the axis of the drill rod, the lower end of the drill rod is detachably and fixedly connected with the drill bit, the drill bit is in a wide-end-up frustum shape, a vertically-through air channel is formed in the drill bit and communicated with the air supply mechanism in a sealed mode, and spiral blades are arranged on the outer surface of the drill bit. The screw pitch of the spiral blade is matched with the size of to-be-sampled grain particles. The grain sampling device is higher in sampling accuracy, simple in structure, corresponding to different grains, only the drill bit needs to be replaced, more convenience is achieved, through the unmanned vehicle sampling mode, the labor cost is reduced, the sampling safety is improved, and the automation degree is higher.

The invention provides a water environment detection device, and mainly relates to the technical field of water quality detection equipment. A water environment detection device comprises a bottom plate, a primary telescopic assembly, a transmission assembly, a secondary telescopic assembly and a sampling bottle, the primary telescopic assembly is arranged in front of the bottom plate, a mounting plate is fixedly mounted on the upper portion of the back of the bottom plate, and the secondary telescopic assembly is mounted in front of the primary telescopic assembly through the transmission assembly in a transmission fit mode. A plurality of sampling bottles are detachably mounted in front of the second-stage telescopic assembly. The device has the beneficial effects that a multi-stage telescopic structure and a synchronous sampling mechanism are adopted, so that the device can be used for sampling in a plurality of water layers at the same time, the sampling efficiency is greatly improved, and the time required by a single sampling task is shortened.

The utility model provides a ruminant living body muscle adipose tissue minimally invasive sampling device, which relates to the technical field of animal tissue sampling, and comprises an outer sleeve and an inner cutting rod, one end of the outer sleeve is provided with a needle, the other end of the outer sleeve is provided with a handle, and the outer sleeve is provided with a sampling groove close to the needle; the inner cutting rod is movably arranged in the outer sleeve, and a sampling knife is correspondingly arranged at the sampling groove. The animal sampling device has the advantages of being high in sampling efficiency, capable of reducing animal injuries, convenient, easy and fast to operate and low in cost.

The utility model discloses a portable hog house excrement sampling device, and belongs to the field of sampling devices. The portable hog house excrement sampling device comprises a bottle body, and further comprises a threaded cover which is connected to the bottle body in a threaded sealing manner; the sampling opening is formed in the threaded cover; the sealing cover is in threaded connection with the threaded cover; the conical hopper is fixed in the bottle body; the sampling rod is arranged on the threaded cover; the viscose cloth is fixed on the sampling rod; the hollow circular truncated cone is arranged on the conical hopper; the sealing ring is arranged in the hollow circular truncated cone, and the sealing ring is matched with the sampling rod; the diluted excrement sampling device effectively samples diluted excrement, improves the sampling efficiency of the diluted excrement, and avoids the situation that the distance between the upper surface of the diluted excrement and the ground is too small after the diluted excrement is in contact with the ground and influences sampling.

The utility model relates to the technical field of rock-soil collecting and sampling, in particular to a rock-soil collecting and sampling device which comprises a drilling machine, a sampling barrel is arranged on the drilling machine and comprises half barrels which are symmetrically arranged, and locking blocks are symmetrically arranged at the end, close to the symmetric center, of one half barrel. Locking grooves matched with the locking blocks are symmetrically formed in the end, close to the symmetric center, of the other half cylinder, fixing blocks are arranged at the top ends of the two half cylinders, the two fixing blocks are sleeved with the same locking cylinder in a threaded mode, the top ends of the fixing blocks are elastically connected with trigger blocks, and the interiors of the fixing blocks are elastically connected with ejector blocks matched with the trigger blocks; the ends, close to the symmetric center, of the top blocks penetrate out of the fixing block, connecting blocks are arranged at the top ends of the two half cylinders, and the two connecting blocks are sleeved with locking tool bits in a threaded mode. Therefore, the rock-soil sampling device can quickly and efficiently sample rock-soil, and can quickly separate the rock-soil from the sampling barrel after single-time sampling is completed, so that rock-soil residues in the sampling barrel are avoided, and the sampling efficiency is improved.

The utility model discloses a photovoltaic module assembly production line, and relates to the field of photovoltaic modules. Comprising a conveying unit, a first face detection unit, an overturning unit, a second face detection unit, a grading channel and a grading area, and the conveying unit conveys the photovoltaic module to the first face detection unit, the overturning unit and the second face detection unit in the forward direction in sequence so as to detect the first face and the second face of the photovoltaic module; and the photovoltaic modules subjected to spot check are reversely conveyed to the grading channel through the conveying unit and enter the grading area through the grading channel. According to the utility model, the photovoltaic module can be directly subjected to spot check at the tail end of the conveying unit, manual spot check after the photovoltaic module is off line is not needed, and the spot check efficiency of the photovoltaic module is improved.

The invention discloses an efficient layered undisturbed soil collecting device which comprises a drill bit, a connecting rod and a main body part, and the main body part comprises a motor, a mode switching switch, a power switch, a main handle and an auxiliary handle. The drill bit adopts a modular design, besides a hollow sleeve drill bit, a drill bit in which a cutting ring can be placed is additionally arranged, and the drill bit is used for measuring indexes such as soil bulk density and the like and ensuring that a soil sample is accurately and conveniently obtained. The connecting rod is provided with scale marks, and the length can be adjusted according to needs to adapt to different sampling depths. The motor has the functions of forward rotation, reverse rotation and percussion drilling, and a proper operation mode is selected through the mode change-over switch. The auxiliary handle can be adjusted to a position suitable for operation so as to increase stability and safety. By means of the efficient sampling technology, undisturbed soil samples of different depths can be accurately obtained under various soil conditions, and the soil sampler is simple in overall structure, wide in application range, easy and convenient to operate and suitable for soil sampling work in the fields of agricultural research, environment monitoring, geological exploration, constructional engineering and the like.

The invention relates to the technical field of high-pressure mineralization reaction experimental equipment, and discloses a continuous sampling double-cabin structure reaction device and method, the continuous sampling double-cabin structure reaction device comprises a reaction cabin, a sampling cabin, a rock core pushing system, a liquid injection system, a gas injection system, a liquid phase acquisition system, a gas phase acquisition system, a monitoring system and a control system, the sampling cabin is arranged at the top of the reaction cabin; a gate valve is arranged between the sampling cabin and the reaction cabin; the rock core pushing system is arranged in the reaction cabin in a lifting manner and is used for bearing a to-be-reacted rock core and pushing the rock core to the sampling cabin; the liquid injection system, the gas injection system, the liquid phase acquisition system, the gas phase acquisition system and the monitoring system are all connected with the reaction cabin; the control system is electrically connected with the rock core pushing system, the liquid injection system, the gas injection system, the liquid phase acquisition system, the gas phase acquisition system and the monitoring system, and is used for maintaining a pressure value in the reaction cabin. According to the invention, sampling requirements of a gas phase, a liquid phase and a solid phase are taken into consideration, high-pressure mineralization reaction experiment requirements are met, and sampling reliability and data accuracy are improved.

The invention relates to the technical field of environment detection, and discloses an environment detection device suitable for multiple regions, which comprises a detection cylinder with a built-in detection sensor, a movable core column is movably mounted in the detection cylinder, one side of the movable core column is coaxially connected with a stretching column, the end part of the stretching column is provided with a collection groove for collecting environmental substances, and the detection sensor is arranged in the collection groove. A driving seat used for driving the movable core column to move is rotatably installed in the detection cylinder, a driving shifting piece is connected to the driving seat, the outer end of the driving shifting piece is exposed out of the outer side of the detection cylinder, and the driving seat is in transmission connection with the movable core column. Two collection modes of spiral telescoping and linear telescoping are realized, and collection requirements of different materials are met, so that the collection modes can be flexibly selected according to environmental material characteristics, the applicability and flexibility of the equipment are improved, the equipment is suitable for detection and collection in multiple regions, the detection cost is reduced, and the operation convenience is improved.

The utility model relates to the technical field of measuring devices special for aerodynamic tests, and discloses an anti-turbulence sand collector for sand stabilization and sand blocking effect evaluation, which is used for collecting sand in wind in an area taking sand stabilization and sand blocking measures. Comprising an inner-layer vertical rod which is vertically inserted into a sand land, an outer-layer sleeve which sleeves the inner-layer vertical rod and is rotatably arranged around the inner-layer vertical rod, and sand guide cylinders which are arranged from the ground at intervals along the outer-layer sleeve from bottom to top. According to the utility model, air entering the sand guide cylinder is rectified by virtue of the honeycomb tube, and radial air flow in the sand guide cylinder is inhibited, so that vortex is prevented from influencing sampling; the sand guide cylinders are arranged on the two sides of the outer-layer sleeve in an up-down staggered mode, so that the sand guide cylinders can be used for sampling at smaller intervals in the vertical direction, and distribution of wind and sand in the vertical direction is better reflected. By arranging the ultrahigh guide plate, the influence of local air flow can be overcome, and the overall wind direction can be effectively followed. All the points are combined, so that the sand collector can effectively sample in sand stabilization and sand resistance effect evaluation occasions.

The tumor sampling device comprises a positioning assembly and a sampling barrel, the upper end and the lower end of the sampling barrel are open, a detachable guide pipe is installed at the bottom of the sampling barrel, a movable plate is arranged in the sampling barrel in a sliding mode, and an installation plate is fixed to the bottom of the movable plate. A sampling needle is fixed on the side surface of the mounting plate and is arranged in the guide pipe in a sliding manner. According to the tumor sampling device for the pathological diagnosis of the tumor patient, the positioning assembly is additionally arranged, the arranged positioning assembly assists the guide cylinder in use, the situation that the guide cylinder moves or even falls off when the sampling needle is moved is avoided, the sampling needle is conveniently positioned and guided through the guide cylinder, and meanwhile the guide cylinder plays a role in protecting the sampling needle; tumor cells after sampling are prevented from falling off from the sampling needle when the sampling needle is taken out, and the guide cylinder is arranged to assist the sampling needle to move to the tumor, so that the tumor cells are effectively sampled by the sampling needle.

The application discloses an in-situ sampling device for analyzing pollutants in aquatic animals, and relates to the technical field of biological sampling, and specifically comprises: a sampling platform for placing aquatic animals to be sampled; a support frame arranged on one side of the sampling platform; a collecting module arranged on the support frame through a first adjusting cross rod; a sampler arranged on the support frame through a second adjusting cross rod; and a clamping device arranged on the sampling platform. The sampler is driven to rotate on the sampling platform through the second adjusting cross rod, so that the sampler is moved above the clamping device. The sampler is rotated and pressed to perform ring cutting sampling on the aquatic animals clamped on the clamping device, and the tissue sample cut in the sampler is pushed into a collecting bottle through a pushing mode. The application effectively solves the shortcomings of traditional dissection sampling, meets the selection of different tissue depths and different sampling amounts of aquatic animals, realizes fast, accurate and pollution-free sampling, and provides reliable support for the analysis of pollutants in aquatic animals.

A sample surface coating sampling device, which uses a motor to drive a scraper to scrape the coating for sampling, and the coating sample leaks into a sample storage bottle, thereby achieving the effect of effectively scraping and fully collecting the coating sample, and avoiding harm to the operator; by setting a slider, a slide rod, a second threaded rod and a second rotating wheel, the second screw rod is used to push the slider to move slowly, which can effectively control the moving distance of the scraper, thereby achieving the effect of effectively controlling the scraped coating thickness; by setting an ear plate, a threaded tube, a first rotating wheel, a first threaded rod and a clamping plate, the position of the sample can be flexibly adjusted, so that the scraper is prompted to sample multiple parts of the sample, thereby achieving the effect of multi-position sampling.

The invention belongs to the technical field of sampling devices, and discloses a sampling device for liquid medicine detection and a method thereof.The sampling device comprises a spherical medicine storage body, the lower portion of the spherical medicine storage body is communicated with a liquid suction pipe, a top pipe is arranged above the spherical medicine storage body, and a limiting plate is rotationally installed between the top pipe and the spherical medicine storage body in a sealed mode; the top pipe and the spherical medicine storage body can be isolated and sealed through the limiting plate, a liquid taking assembly is fixedly installed in the center of the top pipe and vertically extends to the bottom end of the interior of the liquid suction pipe, extraction and discharging of medicine liquid are completed through rotation, and a stirring assembly used for homogenization pretreatment of the medicine liquid is rotationally installed at the upper end of the top pipe. A swing assembly capable of expanding the stirring range is integrated on the stirring assembly, and a driving device used for providing power and achieving function switching is arranged on the top pipe; the liquid medicine stirring device is simple in overall structure, can efficiently and uniformly stir liquid medicine which is easy to layer and high in viscosity, eliminates stirring dead angles, and improves the using effect.

The utility model discloses a concrete sampling device, which relates to the technical field of civil engineering detection and comprises a grinding wheel and at least one pair of adjacent grinding wheels, a plurality of grooves are arranged on the circumferential surfaces of the grinding wheels, shafts of the grinding wheels are parallel and parallel, and the rotating directions of the two grinding wheels in one pair are opposite. A dust baffle is arranged in the circumferential direction of the grinding wheel; the plug pins are located on the inner rings of the grinding wheels, the plug pins of the adjacent grinding wheels are connected through elastic assemblies, and the distance between the plug pins is adjusted through the elastic assemblies; and the collecting barrel is provided with an opening and is connected to the air exhaust mechanism and the collecting mechanism, and the opening faces the space between the adjacent grinding wheels. The utility model provides a concrete sampling device which does not need to drill holes in a concrete structure, does not need to be pressed by hands vigorously in the sampling process, is easy to control, not easy to deviate, time-saving and labor-saving, and greatly reduces the amount of dust during use.

The application relates to the technical field of water resource sampling, in particular to a water conservancy and water resource sampling device which comprises a ship body, a sampling assembly and a pulling assembly, a placing groove area is arranged in the middle of the ship body, an oscillatable parallel sampling frame is arranged in the placing groove area, a plurality of sampling bottle groups arranged at equal intervals are arranged in the parallel sampling frame, a resistance triggering structure is adopted for the sampling bottle group, when the ship body moves, water pressure pushes the sampling outer cylinder to move backward, an inlet is automatically opened to complete sampling; when the ship body stops, a spring can reset the sampling outer cylinder, the sampling outer cylinder seals the sampling inner cylinder, and water samples are prevented from being polluted; the pulling assembly controls the depth of the parallel sampling frame, and the water area with different water depths is adapted, the device can automatically and synchronously collect water samples with different depths at a time, the sampling depth can be adjusted, and the device is suitable for water resource sampling in water areas such as rivers and lakes.

The invention belongs to the technical field of soil sampling equipment, and discloses a mangrove forest soil sampler and a mangrove forest soil combined sampling device.The mangrove forest soil sampler comprises a drilling outer barrel and a sampling inner barrel, the drilling outer barrel is connected with a connecting ring, an outer barrel connecting part and a spiral drilling blade, and the connecting ring is connected with a drilling handle; the outer drilling cylinder is provided with a drilling part and an outer cylinder sampling port, and the inner sampling cylinder is provided with an inner cylinder connecting cap and an inner cylinder sampling port; the combined sampling device comprises a sampler, a base plate and a positioning disc, the base plate is connected with a positioning assembly and a gradienter, the base plate is provided with a sliding groove and a through groove, the positioning disc is connected with a sliding block, and the sliding block is connected with a locking bolt. After the sampler reaches a specified depth, the sampling port of the inner cylinder is communicated with the sampling port of the outer cylinder, the depth of an obtained soil sample is determined, and the accuracy and the reliability of the soil sample are good; multi-point and multi-depth sampling is realized by utilizing the combined sampling device, and the sampling efficiency is high.

The utility model discloses a multi-point collection smoke dust detector, which belongs to the technical field of smoke dust detectors and comprises a smoke dust detector body and a sampling component, the sampling component comprises a vertical pipe and a bottom pipe, two guide grooves are arranged on the outer surface of the bottom of the vertical pipe, and the bottom of the vertical pipe is connected with the bottom of the bottom pipe. Through the structural design of the vertical pipe, the bottom pipe and the bearing piece, the filter screen can be conveniently and rapidly disassembled, the disassembly and assembly time is effectively shortened, the operation difficulty is reduced, and the maintenance efficiency of the filter screen is greatly improved; by means of the structural design of the collecting piece, air at multiple point positions can be efficiently sampled, collection of air samples is enriched, representativeness of the air samples is guaranteed, and accuracy of detection data is improved.

The invention relates to the technical field of tower gas sampling, and discloses a tower gas sampling device, comprising a leakproof shell, wherein the bottom of the leakproof shell is fixedly connected with an anti-leakage mechanism, the left side of the leakproof shell is fixedly connected with a sampling mechanism, and the top of the leakproof shell is fixedly connected with an inflation valve. According to the invention, the gas in a sampling tube is filled into the leakproof shell, so that the air pressure in the leakproof shell is greater than the air pressure in the tower, thereby filling the leakproof shell with the gas in the tower, and when the arc rod is released, under the action of the air pressure in the leakproof shell, the sampling plug is pushed back to the side of the sampling tube away from the leakproof shell, and the sampling tube is filled with the gas in the tower. At this time, the clamping rod is held so that one end of the clamping rod close to the sampling plug is close to each other, so that the clamping rod and the clamping pin can be separated, and the sampling tube can be pulled out of the tube to achieve the purpose of sampling. The sampling is performed in a closed environment during the whole process, and a good anti-leakage purpose can be achieved.

The utility model relates to water treatment, and provides an energy-saving sampling device for water ecological management, which comprises a horizontally arranged piston cylinder with one sealed end, a first through hole arranged on the side wall of the piston cylinder, a connecting cylinder, a sampling tube detachably connected with the connecting cylinder, a partition plate, a second through hole arranged on the partition plate, and a piston plate slidably arranged in the piston cylinder, the push rod is connected with the piston plate, the water absorption hole is formed in the lower end of the water absorption rod, and the water pipe is inserted into the piston cylinder. The piston barrel is divided into a first chamber and a second chamber by the partition plate; the first through hole is formed in the side wall of the first cavity, one end of the water pipe communicates with the water suction rod, the other end of the water pipe is arranged in the first cavity and penetrates through the connecting cylinder, and the piston plate and the push rod are arranged in the second cavity. According to the energy-saving sampling device for water ecological management, water bodies can be efficiently sampled on the premise of not using energy-consuming equipment, and the sampling device can be conveniently cleaned so as to reduce the influence between the water bodies.

The invention provides a snapshot type spectral imaging system and method based on spatial spectrum hybrid coding. The system comprises a spatial spectrum hybrid coding imaging module and a decoding reconstruction module. Wherein the spatial spectrum hybrid coding imaging module sequentially comprises a filtering module used for filtering wave bands outside a working wave band range; the spectrum hybrid modulation module is used for applying composite modulation to an incident light field through multiplexing to obtain a hybrid modulation light field; the spectral filtering array module is used for performing pixel-level spectral filtering on the hybrid modulation light field in a spatial dimension; and the gray level acquisition module is used for capturing the mixed light field coded by the spectrum filtering module to obtain a two-dimensional measurement value. And the decoding reconstruction module is used for reconstructing a spectral image from the two-dimensional measurement image. According to the invention, the spatial and spectral information is synchronously obtained in single exposure, the joint optimization of the spatial resolution and the spectral resolution is realized, and a solution is provided for the problem of balancing the spatial resolution and the spectral resolution of a snapshot spectral imaging system.

The invention discloses a sampling device for hydrogeological monitoring, which belongs to the technical field of geological monitoring. The device comprises a control platform, a sampling barrel, a lower cone bar, an automatic delivery style dual-mode sampling mechanism, a partition plate, a lifting control mechanism and a booster assembly. Limiting slide grooves are symmetrically provided on both sides of the sampling barrel, the control platform is connected to the sampling barrel through the limiting slide grooves, the lower cone bar is welded on the bottom outer wall of the sampling barrel, the partition plate is welded at the center position of the inner wall of the sampling barrel, the partition plate divides the inner cavity of the sampling barrel into two identical sampling cavities, the two sampling cavities are both provided with the automatic delivery style dual-mode sampling mechanism, lifting slide grooves are provided on both sides of the partition plate, and the lifting control mechanism is arranged on the top of the lifting slide groove. The invention has high flexibility, high collection efficiency, and various collection methods. It can perform fast and accurate sampling on different types of geology, has high economic value, and is suitable for popularization and use.

The utility model discloses a simple device for water quality detection, and relates to the technical field of water quality detection. Comprising a suitcase main body, the suitcase main body is provided with a mounting mechanism for water quality detection equipment, and the mounting mechanism comprises the following steps: shaking a test tube to enable a water source and pH test paper to be in full contact and react more fully, so that inaccurate detection results caused by local concentration difference are avoided, and the detection results can better represent the pH value of a whole water sample; the detection accuracy and reliability are improved, shaking promotes material exchange between a water sample and the test paper, the reaction reaches a balanced state more quickly, the test paper can present a stable color more quickly, so that the detection time is shortened, the detection efficiency is improved, the test tube is shaken without additional complex equipment or operation steps, and the detection accuracy and reliability are improved. Therefore, full contact between a water source and the test paper and mixing of the water source can be realized, and a user can conveniently and quickly detect water quality in different scenes.

The utility model relates to the technical field of ships, in particular to a sulfur removal sampling structure, a sulfur removal pipeline system and a ship, the sulfur removal sampling structure comprises a sampling branch pipe, and the sampling branch pipe is fixedly arranged on a sulfur removal pipe and is communicated with the sulfur removal pipe; the sampling pipe is inserted into the sampling branch pipe, the first end of the sampling pipe extends into the desulfurization pipe, the first end of the sampling pipe is provided with a collection port, and the direction of the collection port is opposite to the flow direction of a medium in the desulfurization pipe; and the connecting assembly is arranged between the sampling branch pipe and the sampling pipe and is used for connecting the sampling pipe and the sampling branch pipe. According to the utility model, impurities can be prevented from entering the sampling tube, the blocking problem is eliminated, and rapid and effective sampling is facilitated.