53results about How to "Reduce detection times" patented technology

The invention provides a detection method and a related device, and the method comprises the steps: obtaining first data; then, according to the first data, determining items to be detected, and / or, according to the first data, determining a detection sequence of each item to be detected; then, acquiring at least one physiological parameter corresponding to each item to be detected according to the detection sequence to determine target physiological data; and finally, determining a detection result according to the target physiological data. The disease detection process can be optimized, the detection time is greatly shortened while the detection accuracy is guaranteed, and the user experience is improved.

The utility model relates to the field of visual inspection, in particular to keyboard flaw detection equipment based on visual identification. Comprising a workbench, two sets of supporting columns are symmetrically installed at the center of the edge of the top of the workbench, a fixing plate is arranged over the workbench, a moving groove is formed in the center of the bottom of the fixing plate, a threaded rod is arranged in the moving groove, and a first servo motor is arranged at one end of the fixing plate; a sliding block is in threaded connection with the threaded rod, a mounting plate is mounted at the bottom of the sliding block, two visual recognition mechanisms are symmetrically mounted at the edge of the bottom of the mounting plate, a first defect detection mechanism is mounted at the center of the bottom of the mounting plate, and a second servo motor is arranged under the workbench; the output end of the second servo motor penetrates through the workbench and then is in transmission connection with a connecting column. According to the embodiment, the keyboard can be detected in multiple directions, the detection time is shortened, and the working efficiency is improved.

The present invention relates to a dual-probe device for transverse and longitudinal wave bolt stress detection and a detection method thereof, and belongs to the technical field of ultrasonic non-destructive testing equipment. The invention solves the problem that it is difficult to ensure the positioning accuracy of the dual probes and the constant pressure between the dual probes and the bolts to be tested during the actual use of transverse and longitudinal wave dual-probe stress detection. The invention comprises a housing, a longitudinal wave probe preload adjustment part, a transverse wave probe preload adjustment part, a first spring, a second spring, a longitudinal wave probe, a transverse wave probe, a base and a magnet. The longitudinal wave probe preload adjustment part, a first spring and a longitudinal wave probe are arranged in sequence in the housing. The transverse wave probe preload adjustment part, a second spring and a transverse wave probe are also arranged in sequence in the housing. The housing is detachably connected to the base, and the detection ends of the longitudinal wave probe and the transverse wave probe extend into the base. The invention can well fix the position of the transverse and longitudinal wave dual probes to ensure the stress measurement accuracy; the invention is easy to use and adjust, and can maintain a constant pressure between the bolts to be tested.

The invention discloses a method and a system for auxiliary determination and grading of brain glioma, and belongs to the technical field of biological genes and bioinformatics. The method comprises the following steps: acquiring sample information of a patient and preprocessing a sample; carrying out FISH detection, NGS detection auxiliary biological information analysis and pathological detection on the sample to respectively obtain N1 FISH detection indexes, N2 NGS detection indexes, N3 pathological detection indexes and gene variation phenomenon characteristics corresponding to the detection indexes; and judging the type and classification of the brain glioma based on the detection indexes and the gene variation phenomenon characteristics corresponding to one or more of the detection indexes. The invention further discloses a corresponding system, electronic equipment and a computer readable storage medium, the NGS sequencing technology is used for replacing a part of conventional FISH detection modes, meanwhile, NGS data are reserved, secondary analysis is carried out through a signal generation method to obtain guide newly-added molecular indexes, the detection types and times are reduced, and the detection modes are optimized.

The invention provides a field bus state detection system and method based on a DCS. The field bus state detection system comprises a master station state detection module, a slave station input signal module, a quality judgment module, a fault recording module and an upper computer. The master station state detection module is used for detecting the states of a plurality of master station devices of the thermal power plant, and when the detection result of any master station device indicates that the master station device fails, the detection result is sent to the upper computer; the slave station input signal module is used for receiving a digital signal input by slave station equipment; the quality judgment module is used for judging the digital signal and sending the digital signal to the fault recording module when the digital signal fails; the fault recording module is used for recording fault information of the digital signals and sending the fault information to the upper computer; and the upper computer is used for displaying a detection result and a recording result. The whole system is low in implementation cost and high in operability, abnormality of the thermotechnical bus equipment is found timely and effectively, the specific situation of faults is further analyzed, the detection time is shortened, and the reliability of detection results is improved.

The invention relates to the technical field of communication, in particular to a Mesh node management method, device and system. The Mesh node management method comprises the following steps: for each node, determining a mother node and a child node of the node; judging whether the node is a main node or not, and if not, determining an evaluation value of the node; if the evaluation value is lower than a first preset value, respectively sending detection data to a mother node and a child node of the node and determining a corresponding detection result; determining a quality value of the node and reporting the quality value to the main node, and if so, determining an evaluation value of the node; if the evaluation value is lower than a first preset value, respectively sending detection data to a mother node and a child node of the node and determining a corresponding detection result; determining a quality value of the node and reporting the quality value to the main node; the main node rechecks the channel quality of the communication link where the node reporting the quality value is located; and the master node adjusts the child-mother relationship of the nodes reporting the quality values according to the rechecking result. The problem of communication cost waste is solved.

The invention relates to a calorific value detection method for low-calorific-value sludge, which comprises the following steps: (1) weighing a sludge sample to be detected and mixing with a coal sample to obtain a detection sample; and (2) determining the total calorific value of the detection sample, and subtracting the calorific value of the coal sample to obtain the calorific value of the detected sludge sample. Compared with the prior art, the method has the advantages that the calorific value of the mixed sample can be matched with the detection range of the calorimeter under the condition that equipment is not updated by adding the standard coal substance, so that the accuracy of a sludge calorific value detection result is greatly improved.

The present invention relates to the field of electrical detection technology, and in particular to an intelligent detection device for waterproof performance of electrical accessories. It includes a workbench, a discharge table and a water baffle, etc.; the workbench is fixedly connected to the discharge table; the workbench is fixedly connected to the water baffle; the discharge table is located inside the water baffle. Water is sprayed out from the water spray hole, and the sprayed water will contact the accessories, thereby spraying the accessories. Since the spherical plate is hemispherical and the water spray holes are distributed throughout the spherical plate, the accessories are continuously sprayed with water during spraying, thereby solving the problem that an area cannot be sprayed uninterruptedly, so that there is less water in the gap and the impact force is small, resulting in the spray water being unable to enter the interior of the accessories through the gap, resulting in detection errors. The hemispherical spherical plate can not only directly increase the spraying area, but also the sponge on the inner wall of the spherical plate can absorb the water splashed back by spraying on the accessories, thereby avoiding subsequent underwater dripping onto the workbench, resulting in the need for subsequent cleaning.

The application belongs to the technical field of encryption, and discloses a sequence randomness detection method and device, electronic equipment and a storage medium. The method comprises the following steps: selecting part of sequence samples from each sample group to detect all detection items, so as to calculate the average processing speed of each sample group corresponding to each detection item; for each sample group, grouping the detection items according to the average processing speed to obtain a plurality of item groups, and sorting each item group in descending order according to the average processing speed; for each sample group, the sample group is detected by each item group in turn according to the sorting result of descending order, until the sample group passes the detection of all item groups, or until the sample group fails to pass the detection of an item group, and then the detection process of the sample group is stopped; and whether the randomness of the sample set is qualified is judged according to the detection result of each sample group corresponding to each item group, so as to be beneficial to reducing the detection times, and further beneficial to improving the detection efficiency.

The invention discloses a large-scale sparse sample mixed detection method and a large-scale sparse sample mixed detection system capable of remarkably reducing detection times, and belongs to the field of epidemic early-stage infected person screening. The method comprises the following steps: setting mixing parameters and counting vectors; in each mixing detection stage, multiple sample mixing operations are executed; during each mixing operation, selecting a set number of samples for mixing according to the counting vector; detecting the virus concentration of the sample obtained in each mixing operation; performing mathematical modeling according to the condition that the sample is selected in each mixing operation and a corresponding virus concentration detection result; the detection problem is converted into a linear sparse reconstruction problem, a sparse solution is searched, if the sparse solution meets the requirement, the virus infected person is positioned, and otherwise, the next mixed detection stage is continued. The method is suitable for large-scale virus detection scenes, adopts a mode of gradually increasing mixed detection times to remarkably reduce the detection times, and has the characteristics of high operability and expandability.

The invention discloses a multi-parameter control device and method for a reduction-state indigo dye liquor. The device comprises a dye liquor acquisition module, a control module and a control module, wherein the dye liquor acquisition module is used for acquiring a dye liquor sample of the reduction-state indigo dye liquor; the dilution oxidation module is used for converting the reduced indigo blue in the dye liquor sample into the oxidized indigo blue in the dye liquor sample; the titration analysis module is used for automatically judging a titration end point and calculating the concentration of sodium hydrosulfite; automatically judging a titration end point by combining a multi-wavelength spectrophotometry, and calculating the concentration of sodium hydroxide; the optical detection module is integrated with a fixed wavelength light source and an absorbance sensor and is used for detecting the absorbance of the oxidized dye liquor sample and calculating the concentration of indigo through a preset standard curve; the integrated probe module is used for synchronously detecting the pH value, the oxidation-reduction potential and the salt concentration of the dye liquor in real time; and the central control processing module is used for generating a control instruction and controlling the mother liquor added with the reduction-state indigo dye liquor, the sodium hydroxide solution and the sodium hydrosulfite. The method is used for improving the efficiency and the control precision of stability regulation and control of the reduction-state indigo dye liquor.

The invention relates to the technical field of deep learning, and discloses a kitchen dynamic foreign matter detection method and device based on a monitoring video, and the method comprises the steps: extracting a plurality of frames of images from the monitoring video of a to-be-detected kitchen based on a preset frame extraction interval, and forming a to-be-detected image set, calculating a pixel difference between corresponding pixel points of a previous image and a next image which are adjacent to each other, obtaining a difference image, and carrying out smooth denoising to obtain an optimized difference image; if the sum of the pixel values of all the pixel points in the optimized difference image is not greater than a preset activation threshold value, judging that the next image is a static image, and judging the optimized difference image of the next group of adjacent images; and otherwise, judging that the next image is a dynamic image, constructing a decision matrix based on the pixel value of each pixel point in the optimized difference image and a preset change threshold value, obtaining a change area of the next image, inputting the change area into the trained YOLOv7 model, and completing the detection of the dynamic foreign matters in the kitchen at the moment of the next image.

The utility model relates to the technical field of detection equipment, in particular to highway pavement flatness detection equipment, which comprises a bottom plate, an L-shaped plate fixedly arranged at the top of the bottom plate, a threaded rod arranged on the L-shaped plate, a movable plate in threaded connection with the threaded rod, a first fixed block fixedly arranged at the bottom of the movable plate, a lead screw arranged on one side of the first fixed block, and a bevel gear set arranged at one end of the lead screw. A motor is arranged above the bevel gear set, a lead screw is in threaded connection with a sliding block, a sweeping brush is fixedly arranged at the bottom of the sliding block, then leaves and other impurities on the road surface are swept, then granular dust on the road surface is sucked through a suction nozzle, a dust collector, a dust suction pipe and a collecting box, and therefore the road surface is cleaned again. Leaves and particle dust on the road surface are cleaned through the cleaning brush and the dust collector, so that data obtained through detection cannot be influenced, a final detection result cannot be influenced, and waste of a large amount of manpower and material resources is avoided.

This invention relates to the field of construction machinery technology, providing a paver control method, a paver travel system, a paver, and electronic equipment. The paver control method includes acquiring the current discharge pressure of the travel pump; determining that the current discharge pressure of the travel pump is greater than a preset pressure, where the preset pressure is less than the design discharge pressure of the travel pump; and controlling at least one of the speed and acceleration of the paver's travel mechanism to decrease until the current discharge pressure of the travel pump is determined to be less than or equal to the preset pressure. The paver control method provided by this invention addresses the defect in existing technologies where sudden stop of the travel mechanism leads to rollover. By controlling the discharge pressure of the travel pump, it ensures that the travel pump operates stably, providing stable driving force to the travel mechanism, thus achieving controllable paver movement.

The present invention discloses a method and system for monitoring and controlling safe electricity use in a smart property building, and relates to the technical field of electricity monitoring. The present invention comprises: step 1. safety analysis of a building distribution box, step 2. safety analysis of a building electrical well, step 3. safety monitoring of electricity use in building housing, and step 4. safe maintenance of electricity use in the building. The method intelligently determines the cause of the output voltage problem, reduces the number of detections by the intelligent robot, and ensures that the problems of the distribution boxes in the building can be detected, thereby improving the safety of electricity use in the distribution boxes. The problems between the electrical wells on each floor of the building can be obtained through timely monitoring, thereby ensuring the safety of electricity use between the electrical wells in the building, reducing the fire incidence rate in the building, and facilitating the property manager to timely grasp the various abnormal problems in the building.

The invention belongs to the technical field of drinking water quality detection, and particularly discloses a drinking water online real-time detection cloud health service platform based on multi-dimensional parameters. Comprising a detection record season classification module, a sensitive water quality parameter identification module, a drinking water record season classification module, a preferred drinking water period analysis module, a water quality detection frequency adjustment module and a water quality detection abnormity display module. The sensitive water quality parameters corresponding to all seasons are analyzed, then the sensitive water quality parameters are displayed and associated with the drinking water sensing terminal, key detection and visual display based on multi-dimensional water quality detection are achieved, excessive consumption of detection resources is avoided, display and association are conducted through the drinking water sensing terminal, and the detection efficiency is improved. The inconvenience and increased operation management cost caused by using an intelligent water cup to display association are avoided, and the reliability and sustainability of the system are invisibly enhanced.

This application relates to a label-free immunosensor for Helicobacter pylori, its preparation method, and its application. The method involves directly incubating the Helicobacter pylori multivalent epitope antigen FvpE on a modified electrode, eliminating the need for hybridization labeling during the preparation of the label-free immunosensor. This simplifies the preparation process, making it simple and easy to operate. Furthermore, the prepared label-free immunosensor can directly detect Helicobacter pylori in samples, greatly simplifying the detection process and reducing detection time. Simultaneously, the prepared label-free immunosensor can detect polyclonal antibodies anti-Hp and different antibody genotypes such as CagA, UreA, UreB, and VacA, and can simultaneously detect multiple cytotoxins or virulence factors. This improves the universality of the label-free immunosensor, thereby reducing workload, shortening detection time, and lowering detection costs.

This invention relates to the field of tunnel advanced geological exploration technology, and in particular to an excitation polarization detection electrode, electrode system, and deployment method applied to TBMs. The excitation polarization detection electrode includes an electrode rod, an electrode head, and a magnetic coupling seat. The electrode head is detachably and fixedly connected to the front end of the electrode rod, and the magnetic coupling seat is sleeved on the outside of the electrode rod. The portable detection electrode is deployed through the tool holes of a matching TBM cutterhead, and the magnetic coupling seat is adsorbed and fixed to the platform of the tool hole. The electrode of this invention is coupled to the tunnel face through the tool holes, eliminating the need for custom drilling and pre-reserved electrode installation positions on the cutterhead, thus reducing the impact on the cutterhead structure and strength. The large number of tool holes allows for flexible electrode arrangement, adapting to various different arrangements and observation methods. Compared to the single position and arrangement of hydraulic cylinder electrodes, this invention can obtain richer detection data and greatly improve detection accuracy.

The utility model discloses a carbon knot plate hardness detection table which comprises a detection box, the bottom of the detection box is fixedly connected with supporting legs, a placing frame is installed on the inner sides of the supporting legs, two sets of supporting assemblies are installed on the outer side of the placing frame, and an impact head is installed on the side, away from the placing frame, of the inner side of the detection box. And detecting the hardness of the carbon bonded plate. According to the utility model, the cylinder is arranged to drive the impact head to impact the carbon-bonded plate, the hardness detection of the carbon-bonded plate is completed, and as the two groups of detection plates for placing the carbon-bonded plate are arranged, when the impact head carries out impact test on the current carbon-bonded plate, a worker can put another carbon-bonded plate to be detected on the detection plate on the other side; according to the method, the carbon deposition plate does not need to be replaced after the current carbon deposition plate test is completed, the detection time is shortened, the detection time is shortened, and the detection efficiency is improved.

The present invention relates to the field of automobile parts testing equipment, specifically an automobile parts air tightness testing equipment, comprising an arc-surface support mounting cover, a plurality of columnar support feet are arranged at equal angles on the outer side of the arc-surface support mounting cover, the outer ends of the columnar support feet are all arranged with support gaskets, a support mounting plate is arranged at the opening of the arc-surface support mounting cover, and a conical material retaining ring is arranged at the edge of the support mounting plate. The present invention also includes: an electrically driven material guiding gate is rotatably arranged at the bottom of the arc-surface support mounting cover; a support mounting column is vertically arranged at the center position of the support mounting plate, which can stably realize the air tightness testing operation of automobile parts and can adapt to air tightness testing of different intensities; it can realize two-stage amplification of air pressure, improve the sensitivity of air tightness testing, and improve the testing accuracy of automobile parts, and at the same time, without using a direct rejection mechanism, the testing time is greatly shortened, which significantly improves the testing quality and efficiency of the automobile parts air tightness testing equipment, and is suitable for large-scale use.

The present invention discloses a method and system for managing APP privacy block information based on blockchain, wherein the method comprises: selecting nodes of a trusted blockchain and a variable blockchain, and providing detailed information of a new APP or a new version of the APP to each node of the variable blockchain; judging whether the detailed information of the new APP or the new version of the APP meets the conditions for writing the block information of the variable blockchain according to the variable smart contract; if the conditions for writing the block information of the variable blockchain are met, notifying all nodes in the variable blockchain of the detailed information, and the nodes in the trusted blockchain judge whether the conditions for writing the block information of the trusted blockchain are met according to the trusted smart contract; if the new APP or the new version of the APP meets the conditions for writing the block information of the trusted blockchain, notifying all nodes in the trusted blockchain to write the detailed information of the new APP or the new version of the APP, otherwise, notifying all nodes in the variable blockchain to delete the written block information.

The utility model provides automatic detection equipment for improving the yield of chips, which comprises an adjusting assembly, and the adjusting assembly comprises a detection table, a support frame, a first sliding block, a first mounting hole and a detection assembly. According to the utility model, through cooperation of the adjusting assembly and the detection assembly, automatic three-dimensional accurate moving and positioning of the detection head are realized, chips can be rapidly detected, the detection time is greatly shortened, meanwhile, a plurality of chip limiting seats can be simultaneously placed in a plurality of mounting grooves of the detection table, multiple chips can be sequentially detected, and the batch detection efficiency is further improved; the visual detection module and the electrical performance detection module at the bottom of the detection head work cooperatively to detect the chip, so that the yield of the chip can be judged more comprehensively and accurately, and the conditions of missing detection and false detection are effectively reduced; according to chips of different specifications, the chip limiting seats corresponding to the sizes of the chip placing grooves can be easily disassembled and replaced, so that the limiting requirements of various chips are met, the equipment can cope with detection of various chips, and the universality is improved.

The invention discloses a melting point detection method based on automatic parameter correction and a high-precision melting point detector, and belongs to the technical field of instruments and meters and image recognition. According to the invention, the compensation temperature is calculated according to the temperature and the environmental parameters, and then the melting point of the to-be-detected sample is calculated according to the temperature parameter and the compensation temperature of the to-be-detected sample, so that compared with the melting point detected by a temperature probe, the environmental parameters and the temperature parameters related to the properties of the sample are added in the calculation process; the influence of the environment and the properties of the sample on the confidence of the detection result is integrated; besides, since the temperature change in the placing groove can be accurately reflected in the image, compared with a temperature probe, temperature parameters and environment parameters are obtained through image information, errors generated by the temperature probe are avoided, the confidence coefficient of a detection result is improved, and compared with the prior art, through multiple times of detection, the detection frequency is reduced, and the detection efficiency is improved. And compared with the prior art, the test time is shortened, and the test efficiency is improved.

The invention discloses an instrument surface quality detection system and method, and relates to the technical field of instrument quality detection. The invention comprises: a profiler priori data acquisition module, a profiler detection parameter evaluation module, a profiler shooting parameter adjustment module, a profiler trajectory parameter determination module, an execution terminal and a database. The invention determines which surface areas of the profiler need to be detected based on the priori data of the profiler, performs targeted detection, ensures the detection accuracy of the profiler, reduces the error of the profiler during subsequent operation, shortens the detection time, and saves detection resources. The invention comprehensively screens the path of a shooting mechanism based on the length of the path, the convenience of light source switching and lens switching, avoids frequent switching of light sources and lenses when the shooting mechanism performs image detection, improves the efficiency of image detection, and simultaneously avoids light pollution and reduces the pollution of the lens by the environment, thereby ensuring the quality of the captured image.

This invention discloses a detection device and method for the wedge surface of a turbine guide vane, belonging to the field of blade inspection technology. In the device, a positioning component, a clamping component, and a measuring component are all disposed on a base, with the detection component disposed on the top surface of the measuring component or the platform of the base. The positioning component is used to perform three-dimensional positioning of the turbine guide vane under test in the axial, radial, and angular directions. The clamping component is used to clamp and fix the positioned turbine guide vane under test. The measuring component has a reference surface adapted to the theoretical angle of the wedge surface to be measured on the turbine guide vane under test. The reference surface is an extension surface of the theoretical wedge surface to be measured on the turbine guide vane under test. The detection component is used to perform dimensional detection of the wedge surface to be measured on the turbine guide vane under test based on the reference surface of the measuring component. This invention can simultaneously detect multiple sets of wedge surfaces of turbine guide vanes, reducing design and manufacturing costs. It has a simple structure, is easy to operate, and offers high measurement accuracy and detection efficiency.

The present application relates to the technical field related to the detection of African swine fever virus antibodies, and specifically to a multi-epitope fusion protein and a preparation method thereof and its use in the detection of African swine fever virus antibodies. The multi-epitope fusion protein is obtained by fusion of the amino acid sequence shown in SEQ ID NO.15, the amino acid sequence shown in SEQ ID NO.16 and the amino acid sequence shown in SEQ ID NO.17. The present application uses the multi-epitope fusion protein as an antigen, which can specifically bind and detect African swine fever virus antibodies, improve the detection sensitivity, and shorten the detection time.

This invention discloses a disc-shaped microfluidic chip detection kit and method, relating to the field of rapid food safety detection. A disc-shaped substrate has a ring-shaped central flow channel, and in the direction of rotation towards the central flow channel, a lysis buffer chamber, an elution buffer chamber, a first washing buffer chamber, a second washing buffer chamber, and a magnetic bead reagent chamber are arranged in a ring-shaped sequence. At least four reaction chambers are arranged in a ring-shaped interval in the direction away from the rotation axis of the central flow channel. A ring magnet is positioned on the bottom plate facing the central flow channel, and a pin for opening a contact valve is arranged around the periphery of the ring magnet. Two types of heating plates with temperature differences are respectively positioned on the heating plate facing the reaction chambers. This invention relies on centrifugal force to achieve autonomous fluid drive, combined with constant temperature zone control to complete rapid amplification. It not only eliminates cross-contamination problems caused by magnetic bead transport at the structural level, but also achieves a high degree of integration of the entire process from nucleic acid extraction to fluorescence amplification, effectively improving the overall detection efficiency of pathogens.

The invention discloses a sulfur black dye liquor multi-parameter control device and method, and the device comprises a sampling module which is used for guiding dye liquor into a detection chamber through a sample inlet and a sampling pump; the diluting and cooling module is used for diluting and cooling the dye liquor guided into the detection chamber by adopting pure water of which the dissolved oxygen is a preset value; the sulfur black concentration detection module is used for detecting the absorbance peak of the diluted dye liquor in a preset wavelength range through a broad-spectrum light source; calculating the sulfur black concentration based on a preset standard curve according to the absorbance peak; the multi-parameter integrated probe module is used for synchronously detecting the pH value of the dye liquor through a pH probe, detecting the oxidation reduction potential through an ORP probe and detecting the salt concentration through a conductivity probe; the central control module is used for generating a control instruction; and the automatic liquid supplementing execution module is used for adding sulfur black mother liquor, a reducing agent and NaOH to adjust dye liquor parameters based on the control instruction. The method is used for improving the efficiency and the control precision of sulfur black dye liquor stability regulation and control.

The sample storage device comprises an upper shell, the bottom of the upper shell is rotationally connected with a lower shell, the upper shell and the lower shell are both cylindrical, the diameter of the upper shell is the same as that of the lower shell, the bottom of the upper shell and the top of the lower shell are attached to each other, an opening is formed in the top of the upper shell, and the upper shell and the lower shell are both cylindrical. By means of the rotatable mode of the upper shell and the lower shell, a closed space can be formed in the upper shell, when the heating coil heats raw materials in the cup body, hot air in the gap is not prone to loss, the cup body is wrapped for conducting heat, the raw materials receive more heat, the time needed for boiling is shorter, the duration needed for aluminum powder detection is shortened, and the detection efficiency is improved. And secondly, the upper shell and the lower shell can be communicated through the through hole, so that airflow generated by the fan in the lower shell is blown into the upper shell, the cooling of the raw materials is accelerated, the detection time is further shortened, and the detection efficiency can be improved by adopting the device to store the raw materials for detection.