29results about How to "Fast sampling" patented technology

This utility model relates to the field of wastewater sampling devices, and more particularly to a wastewater sampling device for environmental monitoring, comprising a U-shaped frame and a wastewater detector fixed to the upper end of the U-shaped frame; a first groove is provided through the upper end of the U-shaped frame, and a clamping mechanism is provided at the lower end of the U-shaped frame. This utility model involves placing a movable plate below the U-shaped frame, activating the clamping mechanism to clamp and fix the movable plate, activating the winding mechanism on the upright block to lower the sampling cylinder, and activating the stirring mechanism to stir the dirt at the bottom of the water. The stirred mixture then enters the interior of the sampling cylinder through the inlet groove for temporary storage, and the threaded cylinder is easily removed from the winding mechanism for convenient rapid wastewater sampling. The sampled liquid is placed in the wastewater detector, which can then be activated to test the wastewater. This solves the problem that when sampling wastewater inside a sewage well, it is difficult to disturb the dirt at the bottom of the water body before sampling, making rapid wastewater sampling and testing inconvenient.

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 invention belongs to the technical field of compaction method foundation treatment, and particularly relates to a compaction method foundation treatment inter-pile soil sampling device which comprises a cylinder, a conical cylinder, a positioning cylinder, a sampling cylinder and a cutter, a plurality of guide holes are evenly distributed in the circumference of the cylinder, and the positioning cylinder is slidably arranged in the guide holes; a sampling barrel is arranged on the inner wall of the positioning barrel in a sliding manner; a plurality of guide blocks are evenly distributed on the circumference of the conical cylinder, sliding grooves are formed in the guide blocks, and the cutters are arranged in the sliding grooves in a sliding mode. The bottom sides of the cutters are in one-to-one correspondence with the sampling barrels; a plurality of positioning barrels extend out of the cylinder and abut against the inner wall of the exploratory well, a tip slope is arranged at one end of the sampling barrel, and after the sampling barrel is inserted into the inner wall of the exploratory well, the cutter is obliquely and downwards inserted into the soil body and coincides with the tip slope, so that a soil sample in the sampling barrel is cut off from the rear soil body. According to the device, the sampling device can be positioned and fixed, sampling and sample breaking can be rapidly carried out, samples can be conveniently taken out, and the sampling efficiency in an exploratory well is greatly improved.

The utility model discloses a sampling device for food quality detection belongs to food detection technical field, and its technical scheme main points include sampling cylinder, the top of sampling cylinder is provided with the top cover, the bottom of top cover is provided with cutting mechanism, the bottom of sampling cylinder is provided with the bottom cover, the bottom of sampling cylinder is provided with support mechanism, the cutting mechanism includes pressing block, spring, sliding rod and cutting cylinder, the bottom of pressing block is fixedly connected with the top of sliding rod, the sliding rod slidingly inserts inside the top cover, the surface of spring is movably sleeved in the sliding rod, the top of spring is in contact with the bottom of pressing block, the bottom of spring is in contact with the top of top cover, the structure of the food sampling of existing part is solved, especially when the quality of vegetable food is detected, it is more inconvenient, still needs manual cutting sampling with blade, and the efficiency is lower, and the problem that sample pollution is easily caused is solved.

This utility model discloses a portable soil and rock sampler for exploration, including a sampling cylinder, a push plate, and a stepping mechanism. The push plate is slidably connected inside the sampling cylinder via the pushing mechanism, enabling the soil and rock inside the sampling cylinder to be pushed out. The stepping mechanism is set on the sampling cylinder for the operator to press the sampling cylinder down into the soil and rock. The pushing mechanism includes a push rod and a support assembly. The push rod is fixedly connected to the top of the push plate, and the support assembly is set on the push rod for supporting the push plate. This portable soil and rock sampler allows the operator to step down on the sampling cylinder to insert it into the soil and rock during soil and rock sampling. When the sampling cylinder is pulled out, the operator presses down on the push rod to drive the push plate to push the soil and rock out of the sampling cylinder, thereby achieving rapid soil and rock sampling. No positioning pins are required during use, which saves time and effort and improves the convenience of the sampler.

The utility model relates to the technical field of coal powder sampling, disclose a flat -end coal powder sampling gun powder leakage prevention device, include: elastic sealing body and protective cover, elastic sealing body is equipped with first through -hole for sampling gun to pass through, its aperture corresponds with the outside diameter of sampling gun, makes elastic sealing body when being equipped with in sampling gun pipe outside, can be pasted with sampling gun, protective cover is horn -shaped, has the first opening of sampling mouth direction and the second opening of far from sampling mouth, first opening is greater than the second opening, elastic sealing body is detachably arranged in the protective cover, the axis line extension line of first through -hole is through first opening and second opening, when sampling, sampling gun is through first through -hole, through holding the protective cover and push to sampling mouth to extrude elastic sealing body, make its block the gap between sampling mouth and sampling gun. The device has good universality and sealing property, through extruding elastic sealing body makes it and sampling mouth close adhesion, effectively prevent coal powder leakage.

The utility model discloses a culture bottle for indoor soil culture, and relates to the technical field of soil sample culture. A 150 cylindrical brown glass wide-mouth bottle is selected as the culture bottle, the brown glass can prevent light pollution, the culture effect and quality can be further guaranteed, the cylindrical culture bottle can be arranged in the culture box in the maximum volume mode, the bottom of each silicone tube extends into the bottom of the culture bottle, and therefore the culture effect and quality are improved. Through the arrangement, gas in the culture bottle can be fully exchanged; by arranging the three-way valve, the installation stability of the silica gel tube can be guaranteed, nitrogen blowing can be carried out on the interior of the silica gel tube to guarantee the CO2 background value of a culture bottle, repeated uncovering is not needed, sample pollution is avoided, and continuous sampling measurement of a soil sample culture experiment is facilitated; the purpose of rapid sampling can be achieved through the injector, and the cultivation effect and quality are guaranteed.

The present application relates to sampling detection technical field, specifically, a kind of sampling device of particulate matter, including vertical cuboid cylinder and the discharge valve of being located in cuboid cylinder lower end opening;Rectangular discharge hole that is communicated with cuboid cylinder interior is opened in the front side outer wall of cuboid cylinder, further include the feed valve for closing cuboid cylinder upper end opening and with rectangular discharge hole each other cooperation;Feed valve includes fixed semicylinder that is transversely fixed in the rear side inner wall of cuboid cylinder and dynamic semicylinder that is transversely and rotatably connected in rectangular discharge hole and is parallel to fixed semicylinder and is arranged;The radius of fixed semicylinder and the radius of dynamic semicylinder each other cooperation, when the lower edge of dynamic semicylinder and the arc surface outer wall of fixed semicylinder tangent, the plane outer wall of dynamic semicylinder is set up and is inclined distribution with low front high up;The present application simplifies the operation process to reach the effect of time-saving and labor-saving, to improve work efficiency and greatly facilitate use.

The application provides a high-voltage cross double sampling circuit, an analog-to-digital converter and a battery management system, wherein the high-voltage cross double sampling circuit comprises a switched capacitor module, an enable control module and a capacitor initial setting module; after the switched capacitor module is turned on, the high-voltage signal and the low-voltage signal are cross double sampled through switch switching; the enable control module is connected with the switched capacitor module and is used for turning on the switched capacitor module when an enable signal is valid; and the capacitor initial setting module is connected with the switched capacitor module and is used for setting the initial state of each capacitor in the switched capacitor module when the enable signal is invalid. The application solves the problem of low battery voltage detection speed of the existing high-voltage sampling circuit.

The utility model discloses a new pollutant biological toxicology analysis and examination processing device relates to biological toxicology examination technical field, and this new pollutant biological toxicology analysis and examination processing device, including organism, is symmetrically installed with multiple groups of slideway at the both sides inner wall of organism, and each group slideway is assembled with the slide that can slide, and is fixed with the matched circular platform on the slide, and the center position of each circular platform is provided with a rotatable rotating lever, and the bottom of rotating lever is connected with the turntable, and the turntable is annularly distributed with a plurality of container grooves, and the top of rotating lever is assembled with sealing assembly, is used for the sealed processing of the sample container that is placed in the container groove. The utility model discloses through setting up the slide that can slide, rotating turntable and corresponding sealing door, has realized the convenient placement, taking out and positioning of sample container, has promoted the operation efficiency, security and the stability of experimental environment.

The application provides an animal tissue sampling device and belongs to the technical field of cell culture. The technical scheme is as follows: a base and a sampling mechanism arranged on the base, the base is provided with an operation sleeve through a pair of inverted L-shaped supporting rods, the sampling mechanism is movably arranged in the operation sleeve, the sampling mechanism comprises a fixing frame movably arranged in the operation sleeve, the fixing frame is provided with an outer sampling sleeve, the fixing frame comprises a U-shaped handle, the U-shaped handle is respectively provided with a first fixing cylinder and a second fixing cylinder at both ends, and the outer sampling sleeve is arranged between the first fixing cylinder and the second fixing cylinder. The application has the advantages of simple structure, convenient use, fast sampling, great guarantee of sample pollution, and improved efficiency and quality of scientific research.

The utility model discloses a sampling machine with an auxiliary supporting structure. The sampling machine comprises a base and a lifting structure, an auxiliary supporting structure is installed on the side face of the base, a lifting structure is fixedly installed at the top of the base, and a driving structure is fixedly installed on the side face of the lifting structure. According to the sampling machine with the auxiliary supporting structure, the sliding groove can be driven to move when the supporting plate slides, the sliding groove can slide with the sliding block when moving, when the sliding block slides to the end of the sliding groove, the supporting plate can assist in supporting the sampling machine, and a balancing weight can be placed on the surface of the supporting plate to increase the weight of the base; the sampling machine is provided with an auxiliary supporting structure during use, a pushing plate can slide through the inner wall of the sampling barrel when moving, a screw rod and a slot can be driven to slide when the pushing plate slides, a concrete sample can be pushed while the pushing plate slides, and quick sampling can be performed when the concrete sample is pushed out of the sampling barrel; and rapid sampling can be conveniently carried out.

This utility model provides a fermentation tank for bio-organic fertilizer production, belonging to the technical field of organic fertilizer fermentation tanks, to solve the problems of inconvenient real-time observation of the fermentation process and cumbersome sampling procedures in existing bio-organic fertilizer production fermentation tanks. It includes a fermentation tank body; a feed inlet located on the upper part of the fermentation tank body; an observation window fixedly installed on the front side of the fermentation tank body; a sampling box fixedly installed on the upper part of the fermentation tank body; two sets of sampling clips located inside the sampling box; a sampling port located on the upper part of the fermentation tank body; an observation component located on the front side of the fermentation tank; and a sampling component located inside the sampling box. This utility model has advantages such as real-time observation, reduced pollution, and convenient sampling.

The utility model discloses a wax deposition determination flash filter relates to the petroleum chemical industry detection equipment field, including filter main part, two groups of filter inlet joint, bar hollow support, filter screen and netted support, through the combination design of bar hollow support and filter screen, netted support makes filter screen installation stable, can effectively resist high pressure fluid impact, prevents the collapse, through the pull bar hollow support, takes out the whole filter screen and netted support whole, has realized the quick sampling of deposit and the convenient replacement of filter screen, and filter screen design can replace, makes the device can nimblely adapt to the multiple crude oil system of different wax crystal size, promotes the experimental flexibility and repeatability, provides high reliability data support for wax deposition mechanism research and prevention and control technology development, widens the application range.

The utility model provides a kind of color master batch vacuum drying equipment, belong to color master batch production technical field, to solve the problem that lack of intuitive monitoring and abnormal situation's timely processing ability to color master batch material state in the drying process of existing double-cone rotary vacuum dryer, including support, observation window, pass through pipe orifice, real-time observation component and convenient sampling component;The observation window is set inside before rotary vessel;The pass through pipe orifice is fixedly connected at rotary vessel bottom;The real-time observation component is set behind observation window;The convenient sampling component is set inside pass through pipe orifice.The utility model sets up observation window before rotary vessel and configures real-time observation component, realizes drying state real-time clear monitoring, through the convenient sampling component in pipe orifice, without stopping machine can be sampled under vacuum environment quickly, reduce the material quality fluctuation and production capacity waste caused by observation lag or sampling shutdown.

The utility model discloses a multi-temperature-zone experimental device for researching germination characteristics of alfalfa seeds. The multi-temperature-zone experimental device comprises a plurality of culture bins, a control switch, a refrigerating device, a heating device and a heat conducting plate connected with the refrigerating device and the heating device, the refrigerating device is an evaporator module, the heating device is a condenser module, the evaporator module and the condenser module are respectively connected with the heat exchanger, cooling liquid in the evaporator module absorbs heat through evaporation and refrigerates at one end of the heat conducting plate, and cooling liquid in the condenser module releases heat through condensation and heats at the other end of the heat conducting plate. Different temperature areas are formed in the extending direction of the heat conduction plate. Various temperature conditions and variable temperature gradients are realized in a single device; the seed germination characteristics can be rapidly detected on a large scale; the cost is reduced; the experiment efficiency is improved.

The application discloses an integrated anti-freezing pressure measuring and sampling device, which comprises a pressure measuring part and a sampling part. The pressure measuring part is characterized in that an upper circular groove is formed in the upper part of a main body, the upper circular groove is connected with a union joint through an anti-freezing shell and a thin tube sleeve in an upward direction, and the union joint is connected with a pressure gauge sleeve in an upward direction. The sampling part is characterized in that a side circular groove is formed in one side of the main body and opens outward, a center hole of the side circular groove is connected with a through hole, and a sampling shell is sleeved on the inner wall of the side circular groove. A piston rod is sleeved in the axial hole of the sampling shell. An outer section of the piston rod is sleeved with a stop nut, the stop nut is sleeved with the outer section of the sampling shell, an outer end of the piston rod that extends out of the stop nut is provided with a hand wheel, and a sampling port is formed in the axial hole of the sampling shell in a downward direction. The application belongs to the technical field of petroleum and chemical equipment and solves the problem that sampling cannot be performed due to the freezing of pressure measuring and sampling ports in the prior art.

The invention relates to a method for rapidly identifying the rotten degree of a rotten vegetable liquid fertilizer and a mixer used in the method, and belongs to the field of rotten vegetable liquid fertilizer detection. A sampling port can be opened by outwards moving a valve core, a first flow channel inlet and a first flow channel outlet are closed, then a diluent is extracted by utilizing the sampling port, and then the sampling port is closed by inwards moving the valve core; meanwhile, a mixing channel is formed, the piston is pressed downwards, and the diluent flows into the detection cavity through the flow channel; afterwards, to-be-identified residual vegetable liquid fertilizer supernate can be fed into the detection cavity according to the same process, the piston is lifted to the upper end of the piston cavity, the mixed liquid gradually flows into the piston cavity, the piston is pressed downwards, the re-mixed liquid flows into the detection cavity again, circulation is performed for a plurality of times, the diluent and the supernate are uniformly mixed, and the residual vegetable liquid fertilizer is identified. The uniformly mixed liquid can be fed into the detection cavity, so that the absorbance can be conveniently detected, and the rapid and accurate collection and sample preparation and the identification of whether the rotten vegetable residue liquid fertilizer is good or not are realized by base-layer working personnel.

The present application relates to the technical field of tunnel construction, in particular to a TBM tunnel rock plug intercepting method, comprising the following steps: step one, bedrock treatment; step two, TBM arrival observation; step three, TBM retreat and punching and cutting operation; step four, TBM forward movement and auxiliary support installation; and step five, rock plug pushing out and hoisting away. The present application divides the sampling rock plug and the surrounding rock mass through punching and cutting operation, and then pushes out the divided rock plug by moving the RBM equipment, so as to achieve the purpose of rapid and complete sampling and overcome the problem of incomplete sampling rock plug in the prior art.

This utility model discloses an optocoupler-based isolated sampling circuit. The input terminal is connected to the target AC / DC circuit, and the output terminal is connected to an HDD (High-Speed ​​ADC). It includes resistors R1-R9, capacitors C1-C2, operational amplifier U1, and two optocouplers. The target circuit is connected to the positive input terminal of U1 via R1, grounded via parallel connection C2 and R2, and its common terminal is connected to the HDD via R9. The negative input terminal of U1 is connected to R3 and the output terminal 3 of U2. The control terminal 1 of U2 is connected to the output of U1 via R4, and the control terminal 2 is connected to the control terminal 1 of U3. The control terminal 2 of U3 is grounded. The input terminals 4 of the two optocouplers are connected to the drive power supply via R5 and R6 respectively. The output terminal 3 of U3 is connected to R8, R7, and C1 in parallel. Its topology is simple, it is compatible with both AC and DC circuits, has low cost, good dynamic response, strong anti-interference, reliable isolation, and high sampling accuracy.

The application relates to a high-precision bipolar programmable constant current source based on multi-piece AD time-sharing sampling, which comprises a bipolar ACDC switching power supply, a pre-charging resistor R1, a pre-charging bypass relay K1, a capacitor E1, a controllable inverter H bridge, a current sampling unit A1, a total controller, an inductor L1 and a load inductor L2; wherein the sampling speed of the current sampling unit A1 is configured to be N times higher than the switching frequency of the controllable inverter H bridge; the A1 comprises a control chip and N pieces of AD conversion chips, the input signals of the AD conversion chips are all the output currents of the controllable inverter H bridge, the AD conversion chips are configured to time-sharingly and sequentially sample the current signals at equal intervals, and the sampling results are sequentially sent into the control chip according to time sequence; after one round of sampling is completed, the control chip immediately starts the next round of equal-interval current sampling, and the average value of the data sampled in the last round is sent to the total controller as feedback.

The application discloses a traditional Chinese medicine formula effective component analysis system and method, and belongs to the technical field of traditional Chinese medicine analysis. The system comprises a data acquisition interface, a characteristic bin sampling module and an effective component content calculation module. The data acquisition interface acquires a mass spectrum response signal of a traditional Chinese medicine extract and converts the mass spectrum response signal into a digital chromatography-mass spectrum data matrix comprising a plurality of component detection points. The characteristic bin sampling module divides the plurality of component detection points into a plurality of characteristic bins based on chromatography retention time values and mass spectrum mass-to-charge ratio values in the data matrix, assigns corresponding characteristic bin identifiers, and generates a plurality of representative detection points. The effective component content calculation module determines the content or relative peak area ratio of a target effective component. The application can dynamically adjust the characteristic bin granularity, support multi-detection channel parallel sampling, and realize multi-component synchronous identification and quantification in combination with deep learning, and is suitable for efficient and accurate component analysis of a traditional Chinese medicine complex system.

The application discloses a kind of single-pixel imaging method and device based on array light source, including obtaining the illumination light field of array light beam and the back light intensity detection value of the reflection back after array light beam irradiation on target object;Based on back light intensity detection value and illumination light field, reconstruct target image as rough target image;Based on rough target image and back light intensity detection value, reconstruct target image using depth neural network without training, output final target image.The present application realizes high efficiency imaging and long distance target detection based on array light source, while removing image noise, artifact and periodicity by introducing depth neural network, further improves the imaging quality and imaging efficiency of single-pixel imaging.

This invention provides a multi-channel analog-to-digital signal acquisition system, comprising: a channel selection module for selecting and switching multiple analog signals and digital signals using an analog switch chip, and inputting the selected signal into a multi-channel analog-to-digital converter for sampling; an analog-to-digital conversion module for configuring key parameters of the multi-channel analog-to-digital converter and designing the circuit; a processing and control module for performing data processing and communication tasks using a microcontroller and configuring a real-time operating system for task scheduling; a communication module for real-time data transmission and display with a host computer using a standardized interface and selecting an appropriate communication protocol for communication and testing; and a power management module for configuring a highly integrated power management chip, designing low-power strategies, and performing real-time monitoring and management. This invention significantly improves the quality, efficiency, and accuracy of the acquired data, enhances system performance and compatibility, and promotes the intelligent development of the system.

This invention provides a high-efficiency cypermethrin sampling mechanism, including a guide structure. The guide structure includes a lifting plate with supports on both sides. A slider is located at one end of each support, and a connecting groove is formed on the inner side of the support. This invention is rationally designed. Through the lifting guide structure, a sampling bottle is placed on top of the structure. The lifting structure is then aligned with the bottle opening. An electric actuator is then activated, pushing the guide structure upwards to align the sampling bottle with a solenoid valve. Finally, the solenoid valve is opened, allowing the high-efficiency cypermethrin inside the storage chamber to flow into the sampling bottle, thus enabling rapid sampling of the cypermethrin inside the storage chamber.

The invention discloses a self-sealing integrated urine collector based on a multi-stage retention chamber, and belongs to the technical field of clinical examination and test equipment. The self-sealing integrated urine collector based on the multi-stage retention chamber comprises a collection cup, a damping plug and a test tube, an axial positioning pin extending axially is arranged on the inner wall of the fixing sleeve and forms an anti-rotation structure with a positioning opening of the test tube, so that displacement of the damping plug caused by rotation of the test tube after assembly is avoided; the damping plug is internally provided with a three-stage stepped volume increasing retention area which is tightly connected to the liquid inlet pipe in a sleeving mode and communicated with the liquid inlet pipe through a flow guide groove, a liquid pipeline multi-time reducing structure is formed, and linear accumulation of resistance coefficients is achieved. The technical problems that the size of the air guide pipe is limited, the valve plate is prone to failure and sealing is not reliable are solved, and urine collection which is free of valve plate self-sealing, accurate in quantification, convenient and fast to operate, safe and reliable is achieved.

This utility model discloses a gas sampling device for environmental monitoring, including a sampling tube. A first baffle is fixedly connected to the front end of the sampling tube. A through hole is opened at one end of the first baffle, and an air inlet pipe is fixedly connected to the inner wall of the through hole. A sealing plug is sleeved on the inner wall of the air inlet pipe, and a piston body is fixedly connected to the rear end of the sealing plug. When the second baffle is rotated, when the air inlet moves to the front of the air inlet pipe, outside air can pass through the air inlet and the air inlet pipe in sequence and enter the interior of the sampling tube. When the pull rod is pulled, the rubber ring on the outer wall of the piston body can slide on the inner wall of the sampling tube, and at the same time, the sealing plug disengages from the air inlet pipe. At this time, the gas to be collected will be drawn into the sampling tube. After the gas collection is completed, the second baffle can be rotated, and the air inlet moves away from the front of the air inlet pipe, and the sampling tube is in a sealed state. The whole process not only saves the time of the staff, but also speeds up the gas sampling speed.

The present application relates to the technical field of plant chromosome preparation, and specifically discloses a method for increasing the number of mitotic metaphase chromosomes of sugarcane or sugarcane relative genus root tips, comprising: soaking sugarcane or sugarcane relative genus stem double bud segments in an indole-3-acetic acid solution with a concentration of 60-120 mg / L, and culturing in sand or peat substrate; root tip pretreatment: culturing for 2-3 days, selecting healthy and tender root tips, and placing the root tips in saturated p-dichlorobenzene aqueous solution for low-temperature treatment at 8-12 DEG C for 3-5 h; using Carnoy's fixative for fixation; enzymolysis of the root tip growth point; smearing the root tip on a glass slide for preparation; and staining treatment. The method for preparing the present application can achieve the fastest time of only 4 days from root tip culture to chromosome observation, has a short cycle, high efficiency, is convenient and fast for sampling, has a large number of metaphase division phases in the chromosomes, clear morphology, a clean glass slide background, and is convenient for chromosome counting observation and karyotype analysis, and has important significance for the development of sugarcane cytogenetics research.

The application provides a detection circuit and method of firing current, which can realize accurate collection of firing current, is convenient to operate and has high measurement precision; the detection circuit and method comprise a detonation current sampling module, a comparison module and a trigger module; the comparison module is connected with the detonation current sampling module and is used for judging whether there is firing current; the trigger module is connected with the detonation current sampling module and the comparison module and is used for receiving an output signal of the comparison module and sending a level trigger signal to the detonation current sampling module; the detonation current sampling module comprises a current sampling unit, which is connected with the firing loop and the comparison module, is used for sampling input current and sends a current signal to the comparison module; and a sampling holding unit, which is connected with the current sampling unit and the trigger module, is used for sampling and storing input current according to the level trigger signal and keeping current peak value output.