16results about How to "Reduced sampling time" patented technology

The multifunctional sampling device comprises a sampling barrel, an auxiliary barrel with the same diameter as the sampling barrel is arranged at the upper end of the sampling barrel, a driving unit and a fixing unit are sequentially arranged in the auxiliary barrel from bottom to top, and a collecting unit is mounted on the inner wall of the sampling barrel; the problems that in the rock-soil sampling process in the prior art, rock-soil at different diameters of a hole cannot be sampled, rock-soil on the surface layer of the inner wall of the hole cannot be removed, samples at different positions of the hole cannot be collected at a time, the sampling time is prolonged, the sampling efficiency is reduced, and the sampling time is shortened can be solved. The cost is increased; the angles of the limiting blocks with different heights are adjusted through the limiting rod, sampling of rock and soil samples with different depths and diameters is achieved, the sampling frequency of the same hole is reduced, the sampling requirements of different rock and soil samples are met, the multifunctionality and flexibility of the device are improved, the sampling time is shortened, and the sampling cost is reduced.

The utility model discloses an environmental sewage sampler for environmental engineering, and relates to the technical field of sewage sampler design, the environmental sewage sampler comprises a sampling main body, a sampling screen position adjusting unit and a sewage sampling unit, the lower side of the sampling main body is provided with four moving wheels, and four corners of the sampling main body are respectively provided with a screw hole; the interior of each screw hole is in threaded connection with a thread on a corresponding fixed plug pin, each fixed plug pin penetrates through the screw hole, a sampling screen position adjusting unit is arranged on the upper side surface of the sampling main body, and the sewage sampling unit comprises a connecting circular plate, a sewage sampling bottle, a filter screen hole, a sealing circular ring, a connecting push block and an electric push rod. One end of a connecting chain in the sampling screen position adjusting unit is fixedly connected with a connecting circular plate, so that sewage at different depths can be sampled, impurities are prevented from entering the sampler during sampling, the sampling precision is improved, and the sampling time is shortened.

The utility model discloses a railway field section tunnel soil sampling device belongs to sampling device field, including the sampling pipe, the bottom clamping of sampling pipe has sealing mechanism, the top fixedly connected with sampling mechanism of sampling pipe inner side wall, the sealing mechanism includes snap ring, the outer surface of snap ring is through the outer surface of sealing ring clamping in the sampling pipe bottom, the upper surface fixedly connected with sealing sleeve of snap ring, the upper surface fixedly connected with A magic paste of sealing sleeve, the upper surface of A magic paste is pasted with B magic paste, through the cooperation of above each device, through the sealing mechanism of setting, the sealing mechanism is placed in the sampling pipe when soil sampling, and sealing mechanism can effectively prevent the pollution of soil, for the soil sample that needs to keep specific humidity condition, sealing can effectively avoid the infiltration of moisture loss or external moisture, maintains the original physical and chemical properties of sample.

The utility model relates to the technical field of coal sampling, and particularly discloses a coal pile stratified sampling device which comprises an outer cylinder mechanism, a sampling mechanism assembled in the outer cylinder mechanism, and a material shifting mechanism assembled in the sampling mechanism, the outer barrel mechanism comprises an inserting barrel, and a feeding opening is formed in one side of the inserting barrel; the sampling mechanism comprises a sampling cylinder rotationally mounted in the insertion cylinder, a material storage cavity is formed in the sampling cylinder, and a sampling opening corresponding to the feeding opening is formed in one side of the material storage cavity; the material stirring mechanism comprises a drawing rod slidably mounted in the material storage cavity, a fixed pile is fixedly mounted on one side of the drawing rod, and a material stirring blade corresponding to the sampling port is slidably mounted on one side of the fixed pile; according to the coal pile sampling device, coal at different layers in a coal pile can be sampled at the same time at a time, so that the sampling time is effectively saved, the sampling efficiency is improved, and more convenience is brought to the sampling work.

A multi-modal image registration method includes obtaining a plurality of first points corresponding to a central vertex of a correction body and a plurality of second point groups corresponding to a plurality of side vertices from a plurality of two-dimensional images, obtaining a plurality of third points corresponding to the central vertex from a plurality of three-dimensional images, performing a first optimization operation using a first coordinate system associated with the two-dimensional images, the plurality of first points, and the plurality of third points to obtain a first conversion matrix, processing the plurality of three-dimensional images using the first conversion matrix to generate a plurality of first converted images, respectively, performing a second optimization operation using the plurality of first converted images, the plurality of first points, and the plurality of second point groups to obtain a second conversion matrix, and converting a to-be-processed image from a second coordinate system associated with the three-dimensional images to the first coordinate system using the first conversion matrix and the second conversion matrix.

The utility model belongs to the technical field of light stabilizer detection and sampling, and particularly relates to a light stabilizer detection and sampling tool which comprises a portable component, a sampling component is mounted in the portable component, and a protection component is arranged on the side of the sampling component; the sampling assembly comprises a sampling bottle, the top of the sampling bottle is in threaded connection with a cover, the top of the cover is fixedly connected with an air pipe, the top of the air pipe is fixedly connected with a micro air pump, the side of the air pipe is provided with a threaded fixing clamp, and the side of the threaded fixing clamp is in threaded connection with a nut. A connecting pipe is connected to the interior of the threaded fixing clip in a clamping manner, and a sampling pipe is fixedly connected to the top of the connecting pipe; the problem of cross contamination caused by difficulty in cleaning can be effectively avoided, a communication structure formed by the sampling tube, the connecting tube and the sampling bottle is reasonable in design, so that a sample can smoothly enter the sampling bottle in the extraction process, the risk of sample residue and blockage is reduced, and the sampling accuracy is further ensured.

The utility model discloses a portable underground mine gas sampler belongs to gas collection technical field, including handle, handle one side fixedly connected with protection subassembly, and the inside fixedly connected with collection mechanism of protection subassembly, it through collection mechanism cooperation leak protection subassembly and pneumatic control subassembly, can realize single -pass time -sharing sampling or multichannel simultaneous sampling, can complete the gas collection operation of different point, convenient operation, greatly shorten the sampling time, improve sampling efficiency, can prevent the gas that collected simultaneously effectively leaks or outside gas mixes, guarantee the purity and concentration accuracy of sample, through setting handle, make the sampler convenient to be carried and remove, alleviate the labor intensity, through the protection shell cooperation dust screen, can effectively resist the collision, extrusion under the well, can effectively block dust into the equipment inside, protect internal component safety, prolong the service life of equipment, ensure that equipment can stable operation in the well bad environment.

This utility model relates to a sampling device for raw and auxiliary materials in steelmaking, belonging to the field of raw and auxiliary material sampling technology. The technical solution is as follows: the bearing frame (2) is fixed on the support base (1), the rotary motor (3) is driven and connected to the drive gear disk (4), the drive gear disk (4) meshes with the driven gear disk (5), the driven gear disk (5) is fixed on the driven vertical shaft (6), the driven vertical shaft (6) is rotatably connected to the bearing frame (2), one end of the crossbeam (8) is fixed on the driven vertical shaft (6), the guide rail rack (9) is fixed on the crossbeam (8), the oil cylinder (7) is vertical, the drive gear (10) is installed on the cylinder body of the oil cylinder (7), the drive gear (10) meshes with the guide rail rack (9), and the sampler (13) is fixed on the cylinder rod of the oil cylinder (7). This utility model greatly reduces the difficulty of sampling the entire vehicle of raw and auxiliary materials, shortens the sampling time, ensures accurate sampling position, and eliminates human sampling interference factors.

The utility model relates to the technical field of sealing ring production sampling, in particular to a sealing ring production line sampling mechanism which can be used for more conveniently sampling sealing rings, greatly reducing the sampling time, relieving the labor intensity of workers and avoiding fatigue of the workers. Comprising a production line conveying frame, two sets of vertical plates and a collecting box, a production line conveying belt with a motor as driving force is installed on the production line conveying frame, the two sets of vertical plates are symmetrically and fixedly connected to the rear end of the production line conveying frame, a pushing motor is fixedly installed on the right set of vertical plates, and a transmission crankshaft is rotatably installed on the two sets of vertical plates; a supporting plate is fixedly connected to the middle of the top end of the rear side of the production line conveying frame, a guide hole is formed in the supporting plate, a guide rod is slidably installed on the supporting plate through matching of the guide hole, the rear end of the guide rod is rotationally connected with the end, away from the transmission crankshaft, of the transmission rod, and a material pushing plate is fixedly connected to the front end of the guide rod.

This utility model relates to the technical field of cement testing equipment, specifically disclosing a cement sampling sieving device, including a support platform with an inclined groove on the support platform. A sieving component slides within the groove, and a tension component is fixedly connected to one end of the groove. The tension component is fixedly connected to the sieving component. The sieving component is used for automatically sieving cement samples. The tension component is used to measure the cement sample residue in the sieving component through elastic deformation, and stops sampling after reaching a preset sampling amount. This utility model measures the total mass of the cement sample and calculates the sampling mass by the elastic deformation of a spring, thereby automatically terminating sampling according to the preset sampling amount. It uses mechanical shaking sieving to replace manual sieving, thus improving the efficiency and accuracy of sampling sieving.

The utility model provides a drainage bottle and a chest drainage system comprising the same. The drainage bottle comprises a sampling opening, and the sampling opening is located in the lower surface of a bottle body of the drainage bottle and communicated with a drainage bottle cavity of the drainage bottle. Therefore, a medical worker can conveniently and directly extract drainage liquid from the drainage bottle cavity of the drainage bottle through the sampling opening, enough drainage liquid samples can be obtained in several seconds, and the drainage liquid sampling time is greatly shortened. Due to the fact that the sampling opening is formed in the bottom of the drainage bottle, even in the early stage of drainage operation and under the condition that the total amount of drainage liquid is extremely small, samples can be collected, and medical staff can conveniently evaluate the treatment process and the treatment effect of a patient in time.

This application relates to a magnetic resonance imaging method, apparatus, and computer device. The method includes determining a preset acceleration factor; based on the preset acceleration factor, determining target K-space filling regions corresponding to multiple phases of the object to be detected; filling the target K-space filling regions with magnetic resonance data acquired from the object in each phase to obtain multiple sets of K-space data; for each phase, determining synthetic K-space data using the K-space data corresponding to the phase and the data of the undersampled filling regions in the K-space data of other phases; reconstructing the synthetic K-space data to generate a magnetic resonance image of the object. The magnetic resonance imaging method of this application can improve the quality of magnetic resonance images.

The application provides a single-pixel imaging multi-target positioning method based on multi-direction projection optimization, and relates to the field of moving target positioning and tracking, which comprises the following steps: based on prior position information of multiple targets, a Hough transform is used to extract a candidate projection angle set of collinear targets, and clustering analysis is performed on multiple candidate projection angles to obtain a key projection angle set; by using the key projection angle set, a Fourier central slice theorem is used to obtain one-dimensional projection curves corresponding to each key projection angle in the corresponding direction in the target scene; according to the one-dimensional projection curves, projection strips of the targets in the corresponding direction are extracted, combined strips are generated through spatial mapping and splicing, and an image containing a target region is obtained; after morphological filtering processing is performed on the image, position estimation is performed by using a centroid coordinate, and the position positioning of multiple targets is obtained. The application can effectively reduce the projection angle, reduce the measurement times and improve the positioning efficiency under the premise of ensuring the positioning accuracy.

The application discloses a soil sampling device and a sampling method thereof and belongs to the field of soil sampling devices. The soil sampling device comprises a collecting cylinder, the upper end of the collecting cylinder is detachably connected with a transition sleeve, and the upper end of the transition sleeve is provided with a rotating rod for transmitting power. With the continuous downward movement of the pushing rod, the cone body moves downward together with the pipe body, so that a circular channel is opened in the undisturbed soil in the cylinder body. When the cone body reaches the specified depth, the pushing rod is pulled upward again. With the upward movement of the pushing rod, the soil breaking cone and the sampling pipe move upward, the earth block is scraped on the inner wall of the circular channel, the soil on the inner wall of the circular channel falls off and then falls into the pipe body, and when the pipe body is full, the soil cannot enter the pipe body. In this way, the soil can be obtained by controlling the position of the pipe body sinking and then pulling the pushing rod, and the required soil core can be accurately extracted.

The invention is applicable to the technical field of adaptive control, and particularly relates to a sampling parameter adaptive adjustment method and application thereof in an automobile sensor, and the method comprises the steps that a controller continuously samples, quantizes and encodes a first signal detected by a controlled object to obtain a second signal, and the length of the second signal is n times of a sampling period; when each second signal is obtained by the controller, the output quantity of the actuator is regulated and controlled according to the second signal, the current second signal and the previous (m-1) second signals are spliced into a third signal at the same time, and the first power of the third signal in the first frequency domain range is determined on the power spectral density; and a second power of the third signal in a second frequency domain range; determining a stable vector according to the first power and the second power of each third signal; and adjusting n and m according to m continuous stable vectors. Sampling parameters can be adaptively adjusted according to the signal stability degree, and the regulation and control frequency is improved on the premise of ensuring the control precision.

This application relates to a sampling valve assembly with a solenoid valve, belonging to the technical field of valves. It includes an inlet pipe and an outlet pipe. A control valve is located on the lower side of the outlet pipe, and a knob for controlling its opening and closing is located on the side of the control valve. A sampling pipe connected to the outlet pipe is located below the control valve. Second inlet ports are provided on the inner walls of both ends of the inlet pipe. A first solenoid valve for controlling material flow and a second solenoid valve for controlling steam flow are respectively located on the upper side of the inlet pipe. A locking assembly for controlling the control valve is located on the side of the outlet pipe. A bracket is located on the outer side of the outlet pipe. The locking assembly includes a locking plate and a driving component located on the side of the bracket. The driving component is used to move the locking plate. A locking groove for inserting a knob is provided on the upper side of the locking plate. This valve assembly requires remote control and personnel in a central control room to complete the sampling, preventing unauthorized personnel from obtaining materials.