251results about How to "Avoid inaccuracies" patented technology

The invention discloses an information retrieval and guidance method and device based on a big data software system, relates to the technical field of data processing, and solves the technical problem that retrieval results often contain a large amount of irrelevant or redundant information due to lack of deep analysis of retrieval problems and effective integration and screening of the retrieval results. According to the method, the retrieval problem is finely split according to the subject content, the retrieval intention of the user can be more accurately understood, compared with a traditional retrieval mode based on overall keywords, the retrieval pertinence and accuracy are improved, the situation that the retrieval result is disordered and inaccurate due to general use of the keywords is avoided, and the retrieval efficiency is improved. According to the semantic-based analysis method, information with similar contents can be identified more accurately, the limitation of matching only based on vocabularies traditionally is overcome, redundant information is effectively reduced, the retrieval result is more refined and valuable, the efficiency of obtaining useful information by a user is improved, and the user experience is improved.

The invention discloses an artificial stratum freezing engineering monitoring and early warning method and system based on digital twinning, and relates to the field of underground engineering. According to the method, the three-dimensional geometric structure of an artificial stratum freezing engineering site, freezing pipe arrangement, the preset temperature of freezing liquid and stratum physical and mechanical parameters are calculated according to the three-dimensional geometric structure, the freezing pipe arrangement, the preset temperature of freezing liquid and the stratum physical and mechanical parameters; the stratum thermophysical parameters serve as the actual situation of the freezing project and are input into the numerical model, and prediction data of all positions of an artificial stratum freezing project site within preset time are output; determining the numerical model as a trained numerical model based on the preset value, the prediction data and the real temperature of the rock-soil body monitored at each temperature measurement point in real time; based on the trained numerical model, determining target prediction data of each position of the artificial stratum freezing engineering site within a preset time; based on the target prediction data, determining a freezing result of the on-site artificial stratum freezing project; and according to the freezing result and a preset deformation standard, determining an abnormal freezing result and carrying out early warning. And the monitoring and early warning efficiency of the freezing effect is improved.

The invention relates to the technical field of circuit breaker service life evaluation, in particular to a high-voltage circuit breaker residual service life intelligent evaluation system, which comprises an operation data acquisition module for acquiring operation data of a high-voltage circuit breaker; the degradation degree feature extraction module is used for extracting degradation degree features from the processed operation data; the residual life calculation module is used for constructing a residual life prediction model by utilizing the degradation degree characteristics and adopting a generalized regression neural network algorithm, and calculating the residual life of the residual life prediction model; the early warning and maintenance strategy module is used for formulating a predictive maintenance strategy of the high-voltage circuit breaker based on the residual life calculation result in combination with the residual life probability density function and the expected loss rate of the circuit breaker, and balancing the economical efficiency and the reliability; according to the method, the degradation process of the circuit breaker is reflected in real time, potential faults of equipment are predicted in time, and delay and inaccuracy caused by traditional experience judgment and regular inspection are avoided.

The invention relates to the technical field of new material performance detection, in particular to a new material compression resistance and tensile property detection device which comprises a test counter, a driving mechanism arranged in the test counter, an auxiliary mechanism arranged on the upper side of the test counter, a clamping mechanism arranged on the side face of the auxiliary mechanism, and a driving mechanism comprising a motor. Connecting shafts are arranged on the side faces of the motors. By arranging the driving mechanism, the auxiliary mechanism and the clamping mechanism, stable clamping of different materials can be completed, stable compression resistance and tensile property detection can be conducted, during detection, multiple modes and states can be provided for use, multiple sets of detection can be conducted, the detection efficiency can be improved, large-specification materials can be assisted to be stabilized during detection, and the detection efficiency is improved. Inaccuracy of detection effect data is avoided, in addition, performance detection of side stress of materials can be carried out, so that accuracy of performance detection and performance testing of new materials under multiple conditions are guaranteed, and functionality and accuracy are improved.

The invention relates to a multi-field coupling model test monitoring device and method for evaluating microbial mineralization homogeneity. The device comprises a test model box, a pressurization system, a grouting system, a sampling system, a sensor assembly and a computer monitoring system. Compared with the prior art, the device is focused on researching the process of influence of different overlying stresses and grouting rates on microorganism mineralized and solidified soil in multiple environments of a biological field, a chemical field, a stress field, a hydraulic field and the like. The device can effectively evaluate the uniformity and effect of solidification and restoration of microorganism mineralized and solidified soil and the distribution condition of mineral content, and provides an important basis for researching the long-term safety of the microorganism mineralized and solidified soil. The scheme is of great significance to remediation and utilization of polluted soil and energy conservation and carbon reduction of engineering application.

The invention discloses a circuit breaker contact wear degree intelligent evaluation system, and belongs to the technical field of circuit breaker contact wear evaluation, the circuit breaker contact wear degree intelligent evaluation system comprises a camera, a data collector, a server and a display, the server comprises a circuit breaker type analysis module, a signal processing module, a wear evaluation module, a wear prediction module and a health monitoring module, the circuit breaker type analysis module, the signal processing module, the wear evaluation module, the wear prediction module and the health monitoring module are in communication connection in sequence; the display comprises a data display module; according to the invention, the wear degree of the contact head of the circuit breaker can be intelligently evaluated, and meanwhile, the system also has the functions of wear degree prediction, residual use frequency calculation and wear frequency early warning, so that the maintenance and management efficiency of the circuit breaker can be greatly improved, and the equipment fault risk is reduced.

The invention provides a multi-level performance analysis and optimization method based on an RISC-V framework, and aims to position and optimize performance bottlenecks in application programs through efficient performance data acquisition and analysis means. The method comprises the following steps: firstly, sampling and monitoring all application programs by utilizing an eBPF, capturing applications or processes with abnormal performance, then deeply analyzing the abnormal applications by utilizing a perf tool, and obtaining performance indexes such as function call, instruction number, CPU period and the like. A hot function generated by perf is analyzed, a specific performance counter of an RISC-V architecture is further used, data of the performance counter is read from a user mode, the performance data in the function execution process are accurately monitored in combination with the uprobe technology, and the performance bottleneck is deeply analyzed and positioned. Finally, the performance problem is solved by means of code optimization, system architecture adjustment and the like, and the performance is continuously optimized in multiple iterations. According to the scheme, global performance monitoring can be converted into accurate function level analysis, dependence on a kernel module is reduced, the flexibility and accuracy of performance analysis are improved, and the method has wide application value and is particularly suitable for performance adjustment and optimization in the fields of high-performance calculation, embedded systems, cloud services and the like.

The invention discloses a non-linear state rapid fitting method for an aircraft, and belongs to the field of aircraft control. The implementation method comprises the following steps: constructing a two-loop attitude pilot and a three-loop attitude pilot, and discretizing to obtain a guidance instruction with a time-delay effect; according to coordinate conversion, forward deriving each aerodynamic parameter of the aircraft and an aircraft overload instruction equation; the method comprises the following steps: calculating all pneumatic data according to part of pneumatic data obtained by a blowing experiment of an aircraft, and fitting a guidance instruction with a balance attack angle, a sideslip angle and a rudder deflection angle of the aircraft to obtain a corresponding interpolation table; all aerodynamic parameters in the flight process of the aircraft are obtained according to an aircraft guidance instruction and an interpolation table in the actual situation, namely, nonlinear state rapid fitting of the aircraft is achieved, and simulation reproduction of the aircraft as a mass point in the whole guidance process is achieved according to the nonlinear state rapid fitting result. And the precision and efficiency of aircraft guidance control are improved.

The invention relates to the technical field of data processing, in particular to a calibration system and calibration method for inertial measurement units, and the system comprises a setting module which firstly determines a plurality of key point locations of a test aircraft and arranges a plurality of inertial measurement units according to the key point locations. The data acquisition module acquires the real-time acceleration of the inertial measurement unit according to a preset frequency. The comparison module compares the real-time acceleration of each unit, determines a first acceleration range according to the result, further determines a first calibration parameter, or adjusts the frequency, and sends out a secondary judgment instruction. And after receiving the instruction, the route judgment module draws a real-time route map according to the real-time acceleration, compares the real-time route map with a preset route map to determine a second calibration parameter, and adjusts the first acceleration range or sends out three judgment instructions if necessary. And after receiving the instruction, the temperature judgment module collects a real-time temperature value, draws a curve and analyzes the curve, and determines a third calibration parameter. And the calibration module comprehensively applies the parameters to calibrate the inertial measurement unit. The measurement accuracy of the inertial measurement unit is improved.

The invention relates to the technical field of composite materials, in particular to a long glass fiber reinforced plastic preparation process autonomous regulation and control method based on image vision, which comprises the following steps: judging the color difference interval of glass fiber and a standard sample, and judging whether floating fiber exists in colloidal particles or not according to the color difference interval; judging whether the floating fiber condition is in a first floating fiber degree or a second floating fiber degree according to the floating fiber ratio; in the first fiber floating degree, judging that the fiber floating reason is insufficient and non-uniform impregnation according to the diameter difference between the material diameters; judging whether the equipment parameters are in a preset range, and adjusting the equipment parameters; in the second floating fiber degree, the deviation condition is judged according to the diameter difference value of the materials; and judging whether the offset degree is a first category or a second category according to the offset, analyzing the offset trend, and adjusting the proportion or traction force of the polypropylene resin. By performing image view analysis on the colloidal particles prepared from the long glass fiber reinforced plastic, the reason of fiber floating is judged, and the preparation process is correspondingly regulated and controlled.

The invention provides an integrated light quantum mixed-phase flow meter and a mixed-phase fluid measurement method, relates to the technical field of industrial mixed-phase fluid measurement, and aims to solve the problem that an existing underwater flow meter is poor in measurement accuracy of a mixed-phase fluid medium in a deep-sea oil and gas well. The integrated light quantum mixed-phase flow meter comprises a flow meter body, a fluid metering channel penetrates through the center of the flow meter body, and the integrated light quantum mixed-phase flow meter is applied to a deep-sea oil-gas well. The flowmeter main body is a sealed cylinder, and two groups of electric connectors are arranged at the top of the flowmeter main body; the fluid metering channel comprises an inlet pipe section and a middle measuring pipe section, and the middle measuring pipe section is provided with an inner throttling body of a spindle structure; a plurality of sets of measuring systems are integrated on the flowmeter main body, and each set of measuring system is arranged between the fluid metering channel and a shell of the flowmeter main body and is used for measuring the flow of each phase medium in the mixed-phase fluid flowing through the inner-section fluid; a sealing partition plate is arranged on the side, away from the fluid metering channel, of each measuring system and used for isolating seawater.

The invention discloses a method for determining the shale content of tight sandstone, and relates to the technical field of exploration and research of tight rock oil and gas reservoirs. The method comprises the following steps: identifying a rock slice identification photo by using a computer image identification method, obtaining the area percentage of debris particles with the diameter greater than a set threshold value in the slice identification photo, and then calculating the area percentage of argillaceous particles in the slice identification photo; according to the area percentage of the argillaceous particles and the corresponding times of the polarizing microscope, displaying the argillaceous particles in a rectangular coordinate system in a scatter mode; fitting all scatter points by using a nonlinear least square method, and establishing a shale content volume percentage change relation curve under different objective lens multiples of the polarizing microscope; and solving the curvilinear equation, and calculating the shale content of the sample by using the curvilinear equation. According to the method, the error caused by the fact that the shale content is calculated by an eye estimation method singly through a slice identifier is avoided, and the analysis result is more consistent with the real content of the sample, so that the accuracy of the shale content determination by an image method is greatly improved.

The utility model belongs to earth and planet chemical instrument equipment, and discloses a Nano-C isotope analysis device which comprises an element analysis system, a carbon dioxide freezing enrichment system and an isotope mass spectrometry system, the carbon dioxide freezing enrichment system comprises a six-way valve, the six-way valve is communicated with a first freezing assembly and a second freezing assembly, and the second freezing assembly is communicated with the isotope mass spectrometry system; the first freezing assembly comprises a first freezing container, and a first cold trap communicating with the six-way valve is arranged in the first freezing container in a liftable mode. The second freezing assembly comprises a second freezing container, and a second cold trap communicating with the six-way valve is arranged in the second freezing container in a liftable mode. The carbon isotope analyzer is simple and compact in mechanism, convenient to use, capable of analyzing carbon elements in different forms and accurately measuring isotope composition of carbon in different forms at the nanomole level, capable of enriching and purifying a sample to be detected for multiple times, capable of reducing analysis errors and capable of improving measurement sensitivity and precision.

The utility model discloses a differential shell vertical run-out measuring device, which relates to the technical field of differential shell detection equipment and comprises a support provided with a workpiece clamping part and a workpiece detection part. The workpiece clamping part comprises a bottom boss and a top boss which are oppositely arranged, and the top boss is connected with the support through a lifting mechanism. The workpiece detection part comprises a supporting column, a first detection meter and a second detection meter, the supporting column is fixedly connected with the support, the supporting column is sleeved with a connecting plate, the connecting plate is provided with a plurality of adjusting holes, and the first detection meter and the second detection meter are fixedly connected with the connecting plate through the adjusting holes; and a positioning ball matched with the positioning hole is arranged in the positioning seat. Therefore, through the arrangement of the workpiece clamping part and the workpiece detection part, detection of coaxiality and circle run-out can be completed through one-time clamping of the differential shell, errors caused by clamping and positioning can be greatly avoided, and the device is suitable for rapid detection.

The invention discloses an unmanned intelligent production system and method for compressor parts, and relates to the technical field of compressor part production, the unmanned intelligent production system comprises a feeding assembly, a conveying assembly and a grabbing assembly, the feeding assembly is used for feeding compressor parts, and the conveying assembly is used for conveying the compressor parts; according to the compressor part conveying device, a conveying plate is lifted upwards by starting a hydraulic rod, then a first bearing fork which is lifted at the same time can be separated from a supporting fork, compressor parts can be automatically transferred to the first bearing fork, and an output shaft of a forward and reverse motor rotates by starting the forward and reverse motor, so that a rotating disc is driven to rotate in a rotating groove; and the positions of the first bearing fork and the second bearing fork are exchanged, at the moment, the first bearing fork is located above the discharging fork, the second bearing fork is located above the supporting fork, the functions of the first bearing fork and the second bearing fork are the same, and the conveying efficiency can be improved by alternately using the first bearing fork and the second bearing fork.

The invention relates to the technical field of nucleic acid detection, in particular to a molecular detection system and device with sample heating and quantitative sample adding functions. The invention provides a molecule detection device with sample heating and quantitative sample adding functions, the molecule detection device comprises a base, an optical acquisition system and at least one detection module, the detection module comprises a detection cavity, a driving system, a fluid control system and an auxiliary heating system; the detection module is arranged on the base, a detection cavity is formed in the detection module, and an insertion opening allowing a reagent card to be inserted is formed in the top of the detection cavity; the driving system, the fluid control system and the auxiliary heating system are sequentially arranged in the detection cavity, and the socket is located between the fluid control system and the auxiliary heating system. The problems that in the prior art, operation is tedious, time is long, and errors are large are effectively solved, sample PCR detection can be rapidly completed, only one-step sample adding is needed, and no pipetting step or extra manual operation is needed.

The invention provides a dust concentration monitoring device and method, the monitoring device comprises a monitoring device, the monitoring device is used for monitoring dust, and the monitoring device is provided with a containing cavity for monitoring dust concentration and a communicating pipeline communicating with the containing cavity for dust flowing; the ventilation gas circuit is arranged on the side, away from the communicating pipeline, of the monitoring equipment and communicates with the containing cavity so as to convey dust into the containing cavity; the cleaning component is used for communicating with the communicating pipeline, so that when the concentration of dust in the containing cavity is larger than or equal to a set threshold value, the cleaning component is controlled to convey airflow into the monitoring equipment, and the airflow flows out from the ventilation air path to clean the containing cavity; the problem that in the prior art, a detection light path of dust concentration detection equipment using a light scattering method is prone to being polluted by dust, and consequently the measurement result is inaccurate is solved.

The invention discloses an internal space relation speculation method and system based on a rock mass structural surface. The method comprises the steps that based on rock mass structural plane recognition results of a ground plane, a joint plane and a fault plane, correlation of rock mass structural plane surface features and internal space relations of the rock mass structural plane surface features is constructed, and surface constraint conditions of the ground plane, the joint plane and the fault plane are determined; based on key control point setting, thickness constraint and geometric calculation of the triangulated irregular network, realizing thickness-invariant extension of the rock mass structural surface; based on thickness constraint, triangularization curved surface mesh deformation is achieved, and then thickness change extension between different depth layers is achieved; and the triangular irregular net is cut based on the intersecting lines of the intersecting rock mass structural surfaces, and stratum pinching is achieved. According to the method, occurrence information such as the inclination angle of the rock mass internal structure and the internal space relation of the rock mass structural plane are obtained by extending the surface of the structural plane, and then a rock mass internal space relation speculation result serves as an internal constraint to provide data support for subsequent three-dimensional modeling.

The invention relates to the technical field of sucker rod detection, in particular to a combined sucker rod fatigue test clamping device which comprises a circular ring seat, a circular ring block is fixedly connected to the side wall of the circular ring seat, a circular ring cavity is formed in the inner wall of the circular ring block, a plurality of toothed plates are evenly distributed, penetrate and slidably connected to the inner wall of the circular ring cavity, and rectangular cavities are formed in the inner walls of the toothed plates. A sliding plug is slidably connected to the interior of the rectangular cavity in a sealed mode, buffer grooves are evenly formed in the inner wall of the annular cavity, the inner wall of each buffer groove is elastically connected with an extension rod through a reset spring, the extension rods penetrate through the inner walls of the adjacent toothed plates and then are fixedly connected with the side wall of the sliding plug, and one end of each toothed plate is fixedly connected with a rubber and plastic clamping plate. By arranging the toothed plate, the synchronous rack, the cleaning plate and other structures, when the combined sucker rod is subjected to a fatigue test, the surface of the combined sucker rod is cleaned firstly, and it is avoided that impurities such as oil stains affect the detection effect of a follow-up crack detector and the clamping effect of a rubber and plastic clamping plate.

The invention discloses a curative effect evaluation method of balance needle therapy in diabetic peripheral neuropathy, and relates to the technical field of curative effect evaluation. Constructing a medical history tree diagram of the diabetic patient, obtaining medical history influence factors of the diabetic patient, constructing a physical sign change curve of the diabetic patient, obtaining change coefficients of different time nodes, generating a change coefficient set, and inputting the change coefficient set into a curative effect judgment model to obtain effective interval duration of the balance needle therapy, acquiring fluctuation values of different real-time parameters to judge whether abnormal real-time parameters exist or not, generating a curative effect evaluation set, acquiring single evaluation coefficients of different physical sign parameters, and generating a comprehensive evaluation coefficient and a curative effect evaluation result thereof; through the technical scheme of the invention, the pertinence, accuracy and comprehensiveness of the balance needle therapy for evaluating the curative effect of the diabetic peripheral neuropathy can be obviously improved.

The invention discloses a compaction water release simulator, relates to the technical field of monitoring and prediction, and mainly aims to accurately simulate the compaction water release process of an aquitard and the accumulative effect of long-term land subsidence. According to the main technical scheme, the compaction water release simulator comprises a mold cylinder used for containing a soil body sample, a drainage assembly is arranged on one side of the mold cylinder in the axial direction, and a pressing rod is arranged on the other side of the mold cylinder in the axial direction; the first driving assembly is connected with the pressing rod, and the first driving assembly is used for driving the pressing rod to ascend and descend; the control assembly comprises a pressure sensor and an analysis module, the pressure sensor is connected with the first driving assembly and used for monitoring the pressure value of the first driving assembly acting on the soil body sample through the pressing rod, and the analysis module is connected with the pressure sensor and the first driving assembly and used for obtaining the pressure value; and comparing with a preset interval, and controlling the first driving assembly to move based on a comparison result.

The invention belongs to the technical field of power system transformer insulating oil testing, and provides a transformer insulating oil autonomous fully-sealed sampling device and a testing method thereof. The sampling system comprises a detection module, a four-way control valve, a peristaltic pump, a sealed sampling module and an oil discharge pipe, and the inlet end of the detection module is connected with a sampling port pipeline of the transformer; four ports of the four-way control valve are respectively connected with the outlet end of the detection module, the inlet end of the peristaltic pump, the inlet end of the sealed sampling module and the inlet end of the oil discharge pipe through pipelines; the control system is connected with the detection module, the four-way control valve, the peristaltic pump and the sealed sampling module so as to control the sampling system to sample and monitor the state of oil in a pipeline of the sampling system in real time. The invention aims to solve the problems of poor experimental result accuracy caused by poor sealing performance of the existing insulating oil sampling system and low experimental efficiency caused by manual operation of the sampling system, and the experimental efficiency and the accuracy of the experimental result are effectively improved.

The utility model discloses an electric power test clamp for electric power detection, which comprises a test clamp body, the outer side of the test clamp body is rotatably connected with a rotating shaft, the front end of the test clamp body is fixedly connected with two groups of clamping mechanisms, and the test clamp body is respectively and fixedly connected with a protective sleeve through the two groups of clamping mechanisms. The opposite sides of the two sets of protective sleeves are fixedly connected with test tool bits. According to the electric power test clamp for electric power detection, the test clamp body is prevented from rebounding through limiting locking between the rack and the limiting teeth, inaccurate test data caused by looseness of the test tool bit is avoided, mutual clamping between the lower clamping plate and the upper clamping plate can be relieved through cooperation of the nut and the bolt, and the test clamp is convenient to use. And through cooperation between the connecting head and the connecting groove, the test tool bit can be conveniently replaced, and resource waste caused by overall replacement of the test clamp is prevented.

The invention relates to the technical field of magnetic resonance imaging, and discloses a magnetic resonance four-dimensional dynamic imaging method and device driven by a physical model, and the method comprises the steps: obtaining the magnetic resonance K space data of a to-be-imaged part in a complete motion process; extracting a preset number of three-dimensional static images in the magnetic resonance K space data; analyzing the three-dimensional static image by using the target training model to obtain a dynamic change mode of the three-dimensional static image, and predicting a static image of a future time frame based on the dynamic change mode to obtain a four-dimensional image sequence; and applying physical constraint to the four-dimensional image sequence and correcting data in the K space domain by using a preset physical driving module, and carrying out multiple iterations to obtain a target four-dimensional dynamic imaging sequence. According to the method, high-resolution imaging of the prediction model is utilized, a small number of static images can generate the magnetic resonance four-dimensional dynamic sequence, and the problems that magnetic resonance imaging is limited in providing organ tissue dynamic motion information and complex dynamic motion joint functions and lesion conditions are difficult to comprehensively evaluate are solved.

The invention provides an engine combustion mode switching method and device, a vehicle and a storage medium, and belongs to the technical field of tail gas aftertreatment, engine combustion modes comprise a normal combustion mode and a low urea consumption mode, and the urea consumption of the low urea consumption mode is smaller than that of the normal combustion mode; the method comprises the steps that the urea-fuel ratio and the nitrogen oxide specific emission within the preset duration are determined; when the urine-fuel ratio is larger than a urine-fuel ratio threshold value and the nitrogen oxide specific emission amount is larger than a specific emission amount threshold value, the duration when the urine-fuel ratio is larger than the urine-fuel ratio threshold value and the nitrogen oxide specific emission amount is larger than the specific emission amount threshold value is obtained; and when the duration is longer than the calibrated duration, the combustion mode of the engine is switched from a normal combustion mode to a low urea consumption mode. According to the invention, the consumption of urea is reduced while the fuel economy is considered.

The invention discloses a mixed expert model-driven medical large model discharge settlement generation method and system, and the system comprises an acquisition module, a labeling module, a model training module, and a generation module, and the acquisition module is used for data acquisition and preprocessing; through rule and expert model review, the consistency and high quality of a data labeling result are ensured; the model training module is used for training a Chinese medical large model, and integrates a plurality of field expert networks in a large-scale pre-training language model by adopting a hybrid expert model technology; and the generation module is used for generating a discharge nodule, and comprises the following steps: the system receives the input of the patient, processes the input data of the Chinese medical large model in the model training module, and generates a personalized discharge nodule. By adopting the method and the system, the generation efficiency and the quality of the hospital discharge notes are remarkably improved, the personalized hospital discharge notes can be generated according to the specific condition of each patient, and nursing suggestions and follow-up visit plans which better meet the requirements are provided.

The invention relates to the field of anode conversion film voltage withstanding performance testing, in particular to an anode conversion film voltage withstanding performance testing device and method. Comprising a temperature control box, a pressurizing mechanism and an optical microscope, a pressure measuring platform is further arranged in the temperature control box, the pressurizing mechanism comprises a pressing disc and a pressurizing driving assembly, and the pressurizing mechanism further comprises a rubber pressing sleeve fixedly arranged on the pressing disc in a sleeving mode and an expanding assembly capable of expanding the rubber pressing sleeve. And a pressure maintaining structure for avoiding insufficient contact between the rubber pressing sleeve and the sample is arranged in the rubber pressing sleeve. The rubber pressing sleeve is driven by the expansion assembly to deform, so that the rubber pressing sleeve is synchronously expanded in multiple directions to ensure that the whole sample is uniformly pressed, and meanwhile, the pressure maintaining structure is started, so that the condition that the rubber pressing sleeve and the sample are insufficiently contacted is avoided, and the pressure uniformity is further improved.

The invention discloses wafer automatic detection equipment for semiconductor processing, and relates to the field of wafer laser detection, the wafer automatic detection equipment comprises a base and a top plate fixedly mounted at the upper end of the base, a driving motor is fixedly mounted at the upper end of the right side of the top plate, a threaded rod is fixedly mounted at the output end of the driving motor, and a wafer detection plate is placed at the upper end of the base. A movable block is installed on the surface of the threaded rod in a threaded mode, and a limiting groove is formed in the upper end of the top plate. The wafer automatic detection equipment for semiconductor processing is provided with an assembly capable of carrying out multi-position adjustment laser detection, when a wafer detection plate needs to be detected, the wafer detection plate is placed on the base, and a movable block moves left and right to drive an electric telescopic rod at the rear end to be limited by a sliding piece, so that the wafer detection plate is automatically detected. The movable angle rod moves back and forth to drive the laser detector fixedly installed on the right side of the movable angle rod, movement of the laser detector can scan and monitor the size of the wafer through the laser detector, multi-position convenient adjustment can be achieved, and use by workers is facilitated.

The invention discloses a bolt looseness monitoring device and a bolt. The device comprises an acquisition system, a main control system, a communication system and a terminal device, the acquisition system acquires bolt loosening data and sends the bolt loosening data to the main control system, and the bolt loosening data processed by the main control system is sent to the communication system and wirelessly transmitted to the terminal device by the communication system; wherein the acquisition system, the main control system and the communication system are integrated on a foldable flexible PCB (Printed Circuit Board), a preset crease is designed on the flexible PCB, and a nut style is formed after the flexible PCB is folded according to the crease. When the bolt is loosened, the monitoring system does not need to be disassembled, the system is fixed to the head of the bolt and can be firmly fastened to the head of the bolt under the action of gravity, and the risk that the system falls off is reduced.

The invention provides an automatic test method and device. The method comprises the following steps: acquiring a test case generation request; generating task information according to the test case generation request; wherein the task information comprises task dependency information corresponding to each task, an interface document corresponding to each task and a test parameter extracted based on the test case generation request; according to the interface document corresponding to each task and a test parameter extracted based on the test case generation request, generating a calling function corresponding to each task; and according to the task dependency information corresponding to each task, arranging the corresponding call function, generating a call stream, and executing the call stream to obtain a test result. According to the method and the system, automatic testing is realized, the workload and the difficulty of manually writing interface automatic cases are greatly reduced, the flexibility, the customizability, the automation degree, the accuracy, the maintainability and the efficiency of testing are improved, meanwhile, problems are conveniently positioned and solved, and the quality and the effect of software testing are favorably improved.