16results about How to "Reduce detection bias" patented technology

The invention discloses a sample position and patient information input system of a full-automatic blood coagulation tester, and particularly relates to the technical field of medical detection equipment. Analyzing the pressure fluctuation of the sample needle in the sample suction process at different positions through a residual risk judgment module, and judging whether a trace residual risk exists or not; the aerosol diffusion condition is dynamically analyzed through a cross contamination assessment module, and the cross contamination risk of the sample is assessed; the safety determination module determines the safety of the sample detection process according to the residual risk and the cross contamination risk; the positioning deviation evaluation module evaluates the influence of the positioning deviation of the sample by analyzing the temperature distribution gradient; the consistency evaluation module analyzes an information transmission error and evaluates the input consistency of a sample source and patient information; and the comprehensive adjustment module performs comprehensive analysis, evaluates the reliability of a sample detection result, and dynamically adjusts the sample site distribution and information input process, thereby providing more scientific and robust support for clinical diagnosis.

The invention discloses a rubber compound comprehensive performance detection device, which comprises an equipment box body used for supporting each part, and is characterized in that the equipment box body is internally provided with a cutting assembly used for cutting a rubber compound sheet; the flowability detection assembly is used for detecting the flowability of the rubber compound; the hardness detection assembly is used for detecting the hardness of the rubber compound; the cutting assembly comprises a driving part and a cutting detection part, and the driving part comprises a first matching shaft connected with the cutting detection part and used for driving the cutting detection part to move up and down; the rubber compound is automatically cut, the problem that the shape and specification of the to-be-detected rubber compound are different due to manual cutting is avoided, and detection deviation is reduced; meanwhile, hardness detection and anti-shearing performance detection can be carried out at the same time in the cutting process, and the detection efficiency and comprehensiveness are improved.

The invention belongs to the field of automobile part detection, and particularly relates to a full-inspection device and method for an automobile electromagnetic valve element, and the device comprises a rack, and the rack is provided with a radial hole detection unit, a composite detection unit and a surface foreign matter detection unit which are used for sequentially detecting the valve element according to the detection sequence. Parameter requirements of each part of the valve element are detected through the radial hole detection unit, the composite detection unit and the surface foreign matter detection unit in sequence, transfer and transportation are carried out between the units through the mechanical arm, and full-process automatic operation can be achieved only by placing a material disc containing the valve element on the material disc unit. And manual operation is not needed in the process, so that the detection efficiency is improved, and the detection deviation is reduced.

The application relates to the field of electromagnetic valve detection, and discloses a port size detection device for electromagnetic valve production, which comprises a workbench, a motor, a rotating block, two groups of connecting rods, a support and an adaptive roller. When the device is in abutment with the electromagnetic valve body, the telescopic column, the connecting rod one and the connecting rod two are driven to move outward. The pressure reading generated by the pressure sensor under the compression of the telescopic column is K2. The maximum value of all K2 and the difference value of K1 are taken to determine whether the electromagnetic valve body port roundness is within the roundness tolerance range, so that the function of rapidly detecting the electromagnetic valve body port roundness is realized, and the detection efficiency of the device is significantly improved.

The utility model relates to food processing safety detection technical field and disclose a walnut milk production food safety detection device with mixed structure, including refractometer main part, one side fixed sampling groove of refractometer main part top, one side of refractometer main part top is hinged to have the apron, one side of apron is equipped with quick -detach assembly, the other side of apron is equipped with limit component, the bottom end of apron is connected with the gasket of clamping, the middle part rotation of apron is equipped with the stirring rod, through setting the shaft and stirring rod on apron, when rotating the shaft, the shaft can drive the stirring rod rotation through driving gear and driven gear, because the diameter of driving gear is greater than the diameter of driven gear, can accelerate the rotational speed of stirring rod, and the stirring rod can be stirred to the sample in the sample groove through the stirring vane, avoids the fat floating and solid settlement, reduces the detection deviation.

The utility model discloses an online sampling detection device with shunt structure, which comprises a sampling flow path, a shunt structure, a detection cell, a monomer content detection module, a microfluidic pretreatment structure, an element detection module and a data processor. The sampling flow path obtains a sample to be measured from the material in a formula pool, and the shunt structure divides the sample into a first sample stream and a second sample stream. The first sample stream flows through the detection cell, and the monomer content detection module arranged on one side of the detection cell detects the monomer residual information of the first sample stream. The second sample stream passes through the microfluidic pretreatment structure to be diluted and mixed online to form a liquid to be measured, and the element detection module detects the element impurity information of the liquid to be measured. The data processor generates a quality detection result, thereby realizing a parallel double detection flow path, improving the detection speed, achieving graded reuse and batch tracing, and achieving other purposes.

The present invention relates to the technical field of dried sand detection and analysis, and in particular to a method for detecting the quality of dried sand of gold tailings based on machine vision. The content includes: collecting multi-angle image data and infrared sensor data of dried sand particles, performing intelligent image processing on the multi-angle image data of dried sand particles, and obtaining the final comprehensive characteristics of dried sand particles; based on the infrared sensor data, performing moisture detection on dried sand particles to obtain the moisture content of dried sand particles; based on the moisture content of dried sand particles and the final comprehensive characteristics of dried sand particles, obtaining complete feature data of dried sand particles; performing multimodal fusion and analysis on the complete feature data of dried sand particles to generate comprehensive analysis results; based on the comprehensive analysis results, generating a detection report. The technical problem of insufficient detection accuracy of key quality indicators such as dried sand particle morphology and moisture content is solved.

The utility model discloses a sewage treatment device capable of monitoring water quality in real time, comprising a main body unit which comprises a sewage treatment box and an aeration assembly arranged in the sewage treatment box; the water quality detection unit is arranged above the sewage treatment tank, is used for detecting the water quality of the sewage and comprises a water quality detection instrument and a driving assembly for adjusting the position of the water quality detection instrument; according to the utility model, the water quality detection instrument is driven by a gear motor, a ball screw and the like in the driving assembly to move along the axial direction, so that the axial position of the water quality detection instrument is adjusted; and then the horizontal position of the water quality detection instrument is adjusted through the arrangement of the electric turntable and the mounting plate, so that the problem that the current detection range is limited to a specific point position and only the water quality condition of the position can be reflected is solved, the detection deviation is reduced, and the actual efficiency of the whole treatment system is evaluated more accurately.

The application discloses a sampling device for water pollution detection and belongs to the technical field of sampling devices, which comprises a support frame, a first lifting plate is slidably arranged on the support frame, a support plate is fixedly connected to the first lifting plate, a reciprocating screw rod is rotatably connected to the support plate, a first sliding rod is threadedly connected to the reciprocating screw rod, a first fixed plate is fixedly connected to the first sliding rod, one end of the first fixed plate is fixedly connected to a first guide rod, the other end of the first fixed plate is fixedly connected to the outer side wall of a fixed ring, a sampling cylinder is fixedly installed in the fixed ring, and multiple groups of sampling cylinders can simultaneously perform sampling work at the same depth through cooperation of the first guide rod and the second guide rod, and multiple groups of sampling cylinders can simultaneously perform integral movement through cooperation of the reciprocating screw rod, so that the sampling cylinders can perform multiple-point sampling work in a sewage pool, and sampling efficiency and detection representativeness are improved.

The present invention discloses an air tightness detection device for a spherical storage tank, and relates to the technical field of pressure vessel detection equipment, including an electric docking arm facing the annular seam position of the spherical storage tank, an arc arm arranged in the electric docking arm, and a connecting arm connected to the central axis position of the electric docking arm, the electric docking arm can adjust the angle, and when the electric docking arm is adjusted from a horizontal distribution state to a vertical distribution state, the arc arm originally facing the annular seam position of the spherical storage tank is switched to a vertical seam position facing the spherical storage tank, and the connecting arm, the electric docking arm and the arc arm can move synchronously along the vertical seam direction of the spherical storage tank. The present invention can implement continuous and stable detection operations on the vertical seam, the annular seam and their intersection positions, and the detection range involved is relatively wide, and it is suitable for the structural characteristics of the intersection of the annular seam and the vertical seam of the spherical storage tank, which reduces the time required for manual movement detection, improves the stability of the detection operation, reduces the detection deviation, and improves the efficiency of the detection operation.

The utility model relates to a kind of fine grinding diameter automatic detection measuring machines, including pedestal;It is used for supporting product to be arranged at the center of pedestal support assembly;Detection mechanism is measured to product;Respectively arranged in the both ends of detection mechanism: driving mechanism for driving product rotation, including stepper motor, driven wheel driven by stepper motor, transmission wheel transmission connection with driven wheel by belt, the driven wheel is fixedly connected with limit board, and first centre is equipped with driven wheel coaxial on limit board;For clamping product clamping mechanism, including clamping cylinder, ejector rod driven by clamping cylinder, sliding table pushed by ejector rod, second centre is equipped for resisting product on the sliding table;The first centre and second centre cooperate clamping product and drive its rotation.Solve the conventional roundness and diameter detection need worker manual operation monitoring equipment to detect, leading to detection precision is poorer, the problem of low detection efficiency.

The present invention relates to the field of semiconductor discharge tube detection, and in particular to a method for detecting the discharge performance of a semiconductor discharge tube, comprising: obtaining a semiconductor discharge tube to be detected, and obtaining relevant data of a target use environment of the semiconductor discharge tube to be detected; determining an electromagnetic distribution state according to an electromagnetic influence deviation value and an electromagnetic influence quantity; determining a quantity confirmation method according to the electromagnetic distribution state and whether to determine the position of a simulated electromagnetic device and an electromagnetic wave intensity according to each scene electromagnetic device in each associated combination; determining a temperature setting method according to a maximum temperature value and a duration of the maximum temperature; determining to adjust the thickness of a glass passivation layer or to optimize the detection according to a reference temperature value; determining to adjust the number of P-type base region divisions according to a maximum surge current or to optimize the detection according to a response time. The present invention can improve the detection accuracy of semiconductor discharge tubes.

The utility model belongs to the technical field of positioning detection, and particularly relates to a sheet metal part hole positioning detection device which comprises a cabinet body. A first hydraulic telescopic rod and a second hydraulic telescopic rod are mounted on the inner bottom wall of the cabinet body; the top of the second hydraulic telescopic rod is fixedly connected with a main body sliding rod; the top of the main body sliding rod is fixedly connected with a sheet metal part placing plate; the outer surface wall of the main body sliding rod is fixedly connected with a first auxiliary rack; the top of the cabinet body is fixedly connected with a working plane; the bottom of the working plane is fixedly connected with a first limiting block, in the working process, a first auxiliary rack and a second auxiliary rack are arranged and can drive a first clamping piece and a second clamping piece to be close to each other when moving downwards, and due to the fact that driving is separated, and a notch is formed, mutual limiting cannot be worried about; and the sheet metal part can be clamped independently, so that the sheet metal part can be stably fixed at the central position of the device, the detection accuracy is ensured, and the detection deviation is reduced.

The invention relates to the technical field of impurity detection, in particular to a method for detecting metal and other impurities in clean dust-free cloth, which comprises the following steps: weighing the initial mass M0 of a corrosion-resistant container, putting the dust-free cloth to be detected into the container, and measuring the total mass M1; soaking liquid is added into the container, so that the dust-free cloth is completely immersed; the container is placed on a heating device for constant-temperature heating treatment, metal and other impurity elements in the dust-free cloth are released into the soaking solution, the dust-free cloth is taken out after treatment is finished, and a solution to be detected is obtained; carrying out element content detection on the solution to be detected, and synchronously carrying out a blank experiment to respectively obtain detection results C1 and C0; and calculating the content of each element in the dust-free cloth according to the detection result, the volume of the soaking liquid and the mass difference value. According to the method, the accuracy and repeatability of a detection result can be improved, so that the content of each element in the dust-free cloth can be accurately measured.

The invention relates to the technical field of lion-head goose breeding, and particularly discloses a whole genome association analysis method for lion-head goose egg laying performance. Comprising the following steps: S1, collecting genome DNA of lion-head geese; s2, performing whole genome re-sequencing on the genome DNA extracted in the step S1; s3, performing quality control, filtering and comparison on the original sequencing data in the S2, and detecting a single nucleotide polymorphism (SNP) site; s4, performing correlation analysis on the SNP loci detected in the step S3 and the egg laying traits of the lion-head geese by using a whole genome correlation analysis method; s5, based on a correlation analysis result obtained in the step S4, identifying SNP sites related to egg laying traits; and S6, screening candidate genes according to the SNP sites related to the egg laying traits obtained in the S5. The whole genome association screening can be used for breeding and breeding of lion-head geese, and has the advantages of being accurate in positioning, efficient in screening and high in guidance.

The utility model relates to a kind of weighing device of feeding box, the utility model is through the structure of "built-in weighing device+cover protection", solve the problem that traditional weighing assembly is exposed to dust, material pollution, leading to detection precision decline, service life shortening;Meanwhile through the "L type board sliding slot+slider" guide structure, limit the lateral deviation of aggregate bin in the process of bearing or discharging, avoid to intensify weighing error due to position swing, applicable to the industry of high requirement to material quantity precision control such as feed, food etc..Through the structure of "built-in weighing device+cover protection", solve the problem that traditional weighing assembly is exposed to dust, material pollution, leading to detection precision decline, service life shortening;Meanwhile through the "L type board sliding slot+slider" guide structure, limit the lateral deviation of aggregate bin in the process of bearing or discharging, avoid to intensify weighing error due to position swing, applicable to the industry of high requirement to material quantity precision control such as feed, food etc..