52results about How to "Evaluate performance" patented technology

The invention relates to a permanent magnet synchronous motor design method based on a multi-objective optimization algorithm, and the method achieves the efficient design and optimization of a permanent magnet synchronous motor through the combination of finite element simulation, multi-physical field coupling analysis, neural network performance prediction, and a hybrid optimization algorithm of a genetic algorithm and particle swarm optimization. The method comprises the following steps: determining a plurality of design targets according to an application scene of a motor, selecting key design variables, performing data cleaning and normalization processing, performing electromagnetic field, thermal field and mechanical field simulation by using a multi-physics field coupled finite element model, predicting the performance of the motor by combining LSTM and Transform neural network models, expanding a training data set through a data enhancement technology, and performing data enhancement on the motor. Finally, a hybrid optimization algorithm combining a genetic algorithm and particle swarm optimization is adopted to carry out global optimization and adaptive adjustment of design parameters, and a Pareto optimal leading edge is utilized to find out an equilibrium solution between design targets, so that the accuracy and efficiency of motor design are improved, and the method is suitable for various motor design scenes.

The invention provides a turbine case connection part reliability analysis and verification method considering uncertainty, and the method comprises the steps: building a finite element analysis model of a local connection structure of a turbine case, and achieving the representation of the uncertainty of connection rigidity; establishing a turbine casing structure uncertainty analysis model considering the connection rigidity uncertainty; determining a failure mode of the turbine case connecting part, defining a failure performance function, and performing reliability analysis on the turbine case structure; according to the finite element analysis result of the turbine case, designing a feature simulation piece of the connection part; processing a characteristic simulation part of the turbine case connecting part and carrying out a fatigue test; and obtaining a finite element analysis result of the turbine case of the processed characteristic simulation piece, and verifying the processed characteristic simulation piece in combination with the dispersibility of the fatigue life data. According to the method, the precision and engineering of the reliability analysis of the connection part of the turbine case are realized, and the precision of reliability evaluation is improved.

The invention discloses a rope technical equipment testing system and method under multi-environment conditions, and relates to the technical field of rope testing, and the system comprises the steps: building target testing equipment, and activating an environment simulation cabin module to set a plurality of environment simulation conditions; connecting the to-be-tested rope equipment to target test equipment and activating a mechanical loading module; performing various mechanical tests on the to-be-tested rope equipment, and generating a test data sensing record log; evaluating the to-be-tested rope equipment according to the test data sensing record log to generate a rope performance evaluation index; and performing test analysis on the to-be-tested rope equipment, generating a test report, and generating optimization suggestions of the to-be-tested rope equipment. The technical problem that the rope is lack of safety and reliability due to inaccurate performance test of the rope in the prior art is solved, and the technical effects of accurately simulating a complex environment, comprehensively evaluating the performance of the rope and improving the use safety and reliability of the rope are achieved.

The invention discloses a comprehensive detection system for a new energy automobile chip. The comprehensive detection system comprises a data acquisition module used for acquiring operation data of the new energy automobile chip; the signal processing module is used for converting the analog signal into a digital signal and processing the signal; the fault analysis module is used for analyzing the operation data through a machine learning algorithm and constructing high-sensitivity features strongly related to faults; the safety test module is used for carrying out HBM, CDM and EMC tests to evaluate the safety performance of the chip; the performance test module is used for evaluating the performance of the chip under set extreme conditions through a high temperature life test HTOL and an early life failure test ELFR; and the data storage and analysis module is used for storing test data. According to the scheme provided by the invention, the prediction accuracy, the measurement efficiency and the anomaly detection capability are improved according to the measured electrical variable and the measured magnetic variable, so that the performance, the safety and the reliability of the chip can be comprehensively evaluated.

The invention relates to the technical field of strength detection, in particular to a TPU particle strength detection device. The invention provides a TPU particle strength detection device capable of simulating an extreme environment and realizing dynamic pressure simulation, which comprises a rack, a hydraulic cylinder mounted in the rack, a piston part of the hydraulic cylinder fixedly connected with a lifting frame, a pressing frame slidably connected in the lifting frame, and an impact frame slidably connected on the pressing frame, and telescopic rods which are symmetrically distributed are fixedly connected to the pressing frame. According to the device, conventional testing is conducted on TPU particles through the hydraulic cylinder, the lifting frame, the pressing frame, the pressure sensor and the like, then dynamic pressure testing is simulated through the impact frame, then the compression condition of the TPU particles in the extreme environment is simulated through the cold air channel and the heating wire, and the device integrates conventional testing, dynamic testing and extreme temperature testing; the performance of the TPU particles under different conditions can be comprehensively evaluated, the tedious process of respective testing is avoided, and the testing efficiency is improved.

The invention discloses a printed circuit board defect online full-automatic detection method and system based on data analysis, relates to the technical field of printed circuit board performance testing, and realizes comprehensive evaluation of circuit board performance through steps 1 to 4. By configuring a test system and setting test conditions, accurate installation and debugging of each test module are ensured; a power supply stability index Dyw, a power supply switching fault-tolerant index Qhrc, a thermal stress index Ryl, a mechanical stress index Mvz, an electromagnetic compatibility index Jrx, a resource contention index Zyzq and a self-repairing index Xfz are calculated, a comprehensive evaluation index Pc is obtained through associated calculation, performance evaluation is carried out, and whether the circuit board is qualified or not is effectively judged. And when the comprehensive evaluation index Pc is lower than a first performance threshold value X, generating a performance disqualification label, and performing in-depth grading evaluation through a second multi-stage evaluation module, thereby promoting identification of specific performance defects.

The invention discloses a bearing steel ball strength multi-point testing device, and relates to the technical field of strength testing, the bearing steel ball strength multi-point testing device comprises a base, a hydraulic rod fixedly mounted above the base, a connecting plate fixedly connected to the telescopic end of the hydraulic rod, and a dynamic pressurizing mechanism comprising a motor fixedly mounted in the base, a driving shaft of the motor is fixedly connected with an inner bearing table rotationally connected with the base, a pressing plate and a positioning part used for preventing the steel balls from moving are arranged below the connecting plate, the positioning part comprises positioning rings hooped outside the steel balls, and the twelve positioning rings are arranged in a circumferential array around the center point of the inner bearing table; the inner bearing table rotates to drive the steel ball in the pressurized state to roll, the rolling state of the steel ball in the actual bearing operation process is simulated, and compared with an existing static pressurization strength test, the test result is closer to the actual use condition, so that the performance of the steel ball in the actual working environment is evaluated more accurately.

The invention discloses a method for measuring the rigidity of paired main bearings of an RV speed reducer. The method comprises the following steps of 1, customizing a bearing mounting tool according to the size of a bearing to be measured; step 2, inputting a test load spectrum and an axial measurement load on the measurement controller; 3, completing the assembly of the bearing installation tool and the two to-be-tested bearings, and connecting a tool upper cover with the top platform; 4, rotating the tool spacer ring and driving the outer rings of the two to-be-tested bearings to rotate, and eliminating gaps between the ferrules of the two to-be-tested bearings and the rolling balls; step 5, applying an axial load to the two to-be-measured bearings until the axial load is consistent with the axial measurement load set on the measurement controller, thereby completing the preloading of the two to-be-measured bearings; step 6, calculating the assembly height of the paired bearings; and step 7, taking the numerical value of the assembly height of the paired bearings as an original point, continuously applying an axial load to the two to-be-tested bearings, and finally drawing a stress-displacement curve by using test data. The method is high in measurement efficiency.

The invention relates to the technical field of radio frequency microwave measurement, in particular to a tested piece harmonic test link and an active load traction system and method.The system comprises a control module and a test link. Determining a test signal value of the vector signal source in the test link and a phase adjustable signal value of the first adjustable phase vector signal source according to the target mismatch degree; then, a plurality of impedance points on the Smith chart are simulated by adjusting the amplitude and the phase of the first adjustable phase vector signal source, the vector signal source is controlled to send out a test signal value, and the first adjustable phase vector signal source is controlled to send out a phase adjustable signal value, so that a tested piece is tested; and finally, obtaining a harmonic value corresponding to each impedance point, and obtaining the maximum harmonic of the tested piece under the target mismatch degree according to the harmonic value corresponding to each impedance point. According to the invention, the impedance adjusting range and precision are higher, and the adjusting speed is higher.

The invention provides an innovative measurement characterization method which integrates X-ray computed tomography (X-CT) and low-field nuclear magnetic resonance (NMR) technologies and aims at comprehensively and accurately analyzing the pore structure of the cement paste. According to the method, nano-crystalline cellulose (CNF) is introduced into a cement-based material in multiple dispersion modes, after standard curing is conducted for 7 days, nondestructive testing is conducted through the X-CT technology, two-dimensional and three-dimensional distribution of pores is qualitatively shown, meanwhile, key parameters of micron-sized pores are accurately measured, and a support is provided for macroscopic understanding of the pore structure. Furthermore, in combination with a low-field nuclear magnetic resonance technology, quantitative evaluation of a nanoscale pore structure is realized, volume information and pore size distribution characteristics of nanoscale pores are accurately acquired, the defect of X-CT in nanoscale detection is overcome, and accurate testing in a full-pore-size range from a gel pore to a non-capillary pore is realized. The combination method not only covers comprehensive analysis from microcosmic scale to macroscopic scale, but also realizes accurate visualization, and provides a new view angle and methodology for scientific research of the pore structure of the cement-based material. The method is expected to promote the development of the field of cement-based material pore structures, and provides powerful technical support and a new research direction for deep research in the field.

The invention relates to a cab suspension control method, system and device and a storage medium, through a DQN model cab suspension control model and in combination with multi-mode input, namely, the input vehicle speed, the vertical vibration acceleration of four suspension points of a cab, the cab roll angle and the picture of the pavement in front of the vehicle; the optimal decision action about the vertical vibration acceleration and the cab roll angle of the four suspension points is output in a plurality of possible decisions, the suspension rigidity and damping are adjusted according to the optimal decision action, cab vibration is reduced, and the vertical vibration acceleration and the cab roll angle of the four suspension points are controlled at the same time; the driving comfort and the vehicle stability are improved; in addition, the suspension rigidity and damping are dynamically adjusted according to complex real-time road conditions and driving conditions, and the adaptability and robustness of the system are improved; the award function comprehensively considering the vibration acceleration and the roll angle of the cab is designed, the performance of the system can be comprehensively evaluated, control is accurate, and the optimization direction is guided.

The invention belongs to the field of battery testing, and particularly relates to a method for rapidly evaluating the performance of a silicon-carbon negative electrode material of a lithium ion battery, which comprises the following steps: (1) testing the specific surface area SA of a material to be tested; (2) carrying out a pressurization test on the material powder to be tested according to a set compaction density; (3) testing the specific surface area of the sample after pressure, and recording the specific surface area as SB; and (4) calculating the change value delta S = SB / SA-1 of the specific surface area of the sample before and after pressurization, and comparing the delta S with a reference value delta S0 to judge the material performance. The method has the advantages of simple sample treatment and test operation, convenience, rapidness and good feasibility, and can be used for rapidly evaluating the performance of the lithium ion battery silicon-carbon negative electrode material.

The utility model discloses a steel strand tension strength detection device, which relates to the technical field of tension detection, and comprises a shell, the right end of the shell is fixedly provided with a stretching rotation structure, the top of the shell is fixedly provided with a protection structure, the stretching rotation structure comprises four guide rods, and the four guide rods are fixedly arranged on the shell. The left sides and the right sides of the four guide rods are rotationally connected to the four corners of the left side and the right side in the shell, the outer walls of the four guide rods are slidably connected with the four corners of the mounting base correspondingly, the upper position and the lower position of the middle of the mounting base are in threaded connection with first threaded rods correspondingly, and the right ends of the two first threaded rods extend out of the right end of the shell. According to the device for detecting the tensile strength of the steel strand, the steel strand can be rotated while being subjected to tensile strength detection under the action of the tensile rotating structure, so that the stress state of the steel strand in actual use can be simulated, and the strength and the performance of the steel strand can be evaluated more accurately; and a more reliable basis is provided for actual use.

The invention discloses a data set expansion method and system for a password misuse detector, and belongs to the field of password misuse detector performance detection calculation. The method comprises the following steps: collecting open source items related to password misuse, and sorting out an API (Application Program Interface) related to password misuse and a password library used by the API; the method comprises the following steps: collecting open source codes related to a password algorithm in a Githhub warehouse, and screening out the open source codes related to password misuse from the open source codes related to the password algorithm based on an API (Application Program Interface) related to password misuse and a password library used by the API; wherein the programming language used by the open source code comprises a Java language, a C / C + + language, a Go language and a Python language; performing variation on the open source code using the Java language; a dataset of a password misuse detector is constructed based on the open source code associated with password misuse and the variant open source code using the Java language. The password misuse data set can be expanded.

The invention discloses a high-precision steering system test device, and relates to the field of automobile part tests, and the test device comprises an electric power steering system performance test bench, a drive motor and a load motor. When the electric power steering system performance test bench is used, the upper computer of the electric power steering system performance test bench simulates various input signals in a vehicle operation environment through a preset program, such as a variable vehicle speed and a variable vehicle load, and the load of a high-precision load motor is changed in real time in a test; through a vector control method, three-phase current is solved, the three-phase current is converted into a two-axis system, then an angle is converted, a voltage vector is determined, and an orthogonal voltage vector and an expected voltage vector are obtained, so that a motor is driven to provide real-time variable steering wheel torque and rotation angle signals, and the steering angle, the steering torque, the consumption current and other parameters of a steering system are fed back. Performance and functionality of the steering system are evaluated.

The invention discloses a high-voltage broadband pulsating direct current system and method for an insulation degradation experiment, and relates to the technical field of voltage generators, and the method comprises the steps: obtaining three-phase current sampling values of two sides of a doubly-fed wind power plant sending-out line; and judging whether a pilot protection criterion is met or not according to the three-phase current sampling value. According to the system, superposition output of high-frequency harmonic waves and direct-current voltage can be achieved within the frequency range of 50 Hz to 2500 Hz, the limitation that traditional equipment can only generate single-frequency signals is overcome, experiment conditions closer to actual operation working conditions are provided, and comprehensive evaluation of the performance of an insulating material under multi-frequency harmonic waves is facilitated. Through the arrangement of the protection resistor and the coupling resistor, the breakdown risk caused by high-frequency signal superposition in the circuit is effectively controlled, the experiment safety is improved, and the reliability and stability of equipment under the high-voltage condition are ensured.

The invention discloses a stability monitoring method and system for a WiFi module, and relates to the technical field of WiFi module monitoring, and the method comprises the steps: installing a test APP on a to-be-tested device, configuring WiFi, connecting an external network, and storing configuration information. The test remote controller of the control device is used for learning the standby or awakening function of the standard remote controller, and remote control is achieved. And the control device sends a standby instruction to enable the to-be-tested device to enter a standby state, and the test APP records the number of entering times. And after a preset delay, the test remote controller wakes up the to-be-tested device, the WiFi service is started for reconnection, and the test APP monitors the network connection state in real time. If the WiFi reconnection is successful, a ping operation is initiated to detect the Internet connectivity, and the number of successful reconnection times is recorded; and if the reconnection fails, recording the number of failures. According to the invention, through an automatic test process, the connection stability of the WiFi module after standby wake-up is effectively monitored, and the test efficiency and accuracy are improved.

The present invention proposes a port infrastructure performance monitoring system based on digital twins, which relates to the field of port monitoring technology. When monitoring the performance of the wharf structure, there is a lack of special monitoring means and analysis methods for the changes in expansion joints, and there is also a lack of a comprehensive and real-time monitoring system to accurately evaluate the overall performance of the wharf. The present invention calculates the probability of a ship collision event through the situation of ships docked at the wharf and the wind speed level, and then calculates the damage risk index of the wharf structure in all directions through the monitoring data of the expansion joints. Finally, the damage probability of the wharf being subjected to the collision is obtained, and corresponding early warning information is given according to the damage probability. The present invention takes into account the impact of expansion joints on the wharf structure, and by combining force and vibration, accurately captures and analyzes the force conditions of the wharf under dynamic loads such as wind and waves, ship collisions, etc., which can more comprehensively reflect the actual force state of the wharf and improve the accuracy and reliability of the monitoring system.

The invention relates to the technical field of substations, and discloses an intelligent substation flexible configuration visual modeling analysis system which comprises a control center, a visual modeling module, a network topology modeling module, a flow model parameter setting module, a link flow management module, a flow visualization module, a link network time delay analysis module and an inspection module. The control center is respectively connected with the visual modeling module, the network topology modeling module, the flow model parameter setting module, the link flow management module and the link network delay analysis module, the link flow management module is also connected with the flow visualization module, and the control center is connected with the inspection module through the server. According to the method, visual modeling analysis is provided for intelligent substation equipment configuration modeling, flow model parameter setting, network topology modeling and link flow simulation monitoring, the problem of network delay is solved, the substation network structure is optimized, the stable operation level of substation equipment is improved, and technical support is provided for substation fault analysis.

The present invention belongs to the field of data processing technology, and relates to a high-strength engineering plastic, preparation and non-destructive testing method thereof. By calculating the correlation between tensile strength, bending strength and electrical conductivity, a comprehensive performance evaluation model is established, which can comprehensively evaluate the overall performance of the material and provide a more scientific basis for the selection and application of the material. After selecting the optimal formula, verification tests are carried out to ensure that the prepared high-strength engineering plastic has stable and consistent performance and meets the actual application requirements. In actual production, after setting the optimal ratio, the comprehensive performance that can be achieved is determined. By real-time monitoring of the performance data of engineering plastics, the part that deviates greatly from the theoretical comprehensive performance is specifically identified, reducing the difficulty of monitoring.

This invention discloses a power cable tensile strength testing device, relating to the field of cable tensile strength testing technology. The device includes a working box with a supporting wall at the bottom. A tensile strength testing mechanism is built into the working box, comprising a clamping component and a rotating component. One end of the cable is connected to the clamping component, and the other end is wound around a rotating roller of the rotating component. An auxiliary simulation mechanism is disposed between the clamping component and the rotating component. This application integrates the tensile strength testing mechanism and the auxiliary simulation mechanism, enabling simultaneous cable tensile strength testing and combined testing with various environmental simulations, thus improving the accuracy and reliability of the test.

The utility model provides a glass quality regional detection device, and relates to the field of glass detection equipment.The glass quality regional detection device comprises a test cabinet, a placement part is arranged in the test cabinet, an installation part is arranged above the placement part, a buffer part is arranged at the top end of the installation part, and a separation and combination assembly is arranged above the buffer part; a lifting assembly is arranged above the separating and combining assembly, a transmission assembly is arranged outside the lifting assembly, and three connecting pieces are arranged at the bottom end of the separating and combining assembly. According to the invention, by arranging the separating and combining assembly and the lifting assembly, when the glass is tested, the lifting assembly drives the mounting piece to fix the glass and separate areas, and drives the separating and combining assembly to rise to a certain height, and the separating and combining assembly is separated through the trigger piece, so that different areas of the glass are detected differently; therefore, the detection efficiency is improved while the detection function is increased, and the overall performance of the glass is evaluated more comprehensively.

The invention relates to the technical field of machining, and particularly discloses a device and method for offline detection of a tool setting gauge, and the device comprises a mounting platform, one side of the top of the mounting platform is fixedly connected with an erecting plate, the top of the surface of the erecting plate is fixedly connected with a mounting frame, and the inner wall of the mounting frame is fixedly connected with a servo motor. A driving rod is mounted at the output end of the servo motor, a lead screw is fixedly connected to the bottom end of the driving rod, the bottom end of the lead screw is rotationally connected to the top of the mounting platform, and a threaded sleeve is in threaded connection with the surface of the lead screw; the grating ruler is adopted as a position feedback encoder, the high-precision analog quantity module is combined, accurate measurement and feedback of the position of the tool simulator are achieved, meanwhile, due to automatic control of the PLC control unit and quick response of the servo motor, the detection process is more efficient, the detection precision and efficiency of the tool setting gauge can be remarkably improved, and the detection precision and efficiency of the tool setting gauge are improved. Therefore, machining precision and stability of the numerical control machine tool are ensured.

The utility model discloses a kind of stylus test mechanism, including front and rear movement module, angle swing module and fixed base, the front and rear movement module and angle swing module connection, the front and rear movement module includes front and rear movement drive mechanism, gear and rack, the front and rear movement drive mechanism is connected with gear, drive gear rotation, the gear is engaged with rack, the rack is fixedly connected with angle swing module, the angle swing module is fixedly connected with fixed base, the fixed base is equipped with the fixture for clamping stylus. The utility model is through the structure design of pertinence, effectively solved the core pain point that traditional stylus test device can only be tested vertically, angle single, test scene is limited, in test flexibility, precision reliability and test efficiency three big dimensions realization significant promotion.

The invention discloses a testing device for detecting the mechanical performance of a control panel of an unmanned aerial vehicle, and belongs to the field of unmanned aerial vehicles, the testing device comprises a workbench arranged on a base, and the workbench is provided with a pressure detection unit for detecting the compressive performance of the control panel. The pressure detection unit comprises a support plate which moves in the same direction as the second clamp through a power assembly, the top of the support plate is provided with a pressure testing assembly through a mounting plate, and the pressure testing assembly can achieve multi-angle pressure testing on the control panel through cooperation of the support plate and the mounting plate. According to the testing device for detecting the mechanical performance of the unmanned aerial vehicle control panel, the mechanical performance of the unmanned aerial vehicle control panel in different stress directions and angles can be comprehensively tested through the pressure testing assembly which is adjusted at multiple angles, and the performance and stability of the control panel in a complex environment can be evaluated more accurately; therefore, the safety and reliability of the unmanned aerial vehicle in actual use are ensured.

The invention discloses a TEC-driven phase change material heat storage and release experimental device, comprising: two experimental modules, two groups of temperature control modules and a data acquisition unit, wherein the two experimental modules are arranged in the same experimental box, and different TEC-driven phase change materials are filled inside respectively; the two groups of temperature control modules are arranged corresponding to the two experimental modules, and the data acquisition unit comprises two thermocouples and a data acquisition instrument, and the two thermocouples are respectively arranged inside the outer shells of the two experimental modules. The invention utilizes different temperature curves of different phase change materials in the phase change process, collects the temperature changes of the phase change materials in the two experimental modules in the whole phase change process in real time through the thermocouples, and then receives and draws the temperature curves of the phase change materials corresponding to the two experimental modules in the phase change process by the data acquisition instrument, thereby evaluating the performance and application potential of the phase change material according to key parameters such as the phase change temperature, the phase change latent heat, and the cyclicity of the phase change material.

The invention relates to the field of trajectory simulation, in particular to a high-precision dynamic simulation method and system for the running trajectory of an anti-interference unmanned aerial vehicle, and the system comprises an instruction issuing module which is used for issuing an execution instruction and transmitting a completion feedback signal, a response monitoring module which is used for monitoring the execution time required for completing the execution instruction, and an efficiency monitoring module. The pre-heating module is used for pre-heating execution time, forming corresponding time processing data, selecting corresponding index characteristics, learning the time processing data and generating an execution efficiency map, and the control module is used for comparing a numerical value in the execution efficiency map with an efficiency threshold value, and when the numerical value is lower than the efficiency threshold value, executing the execution time according to the execution efficiency map. The anti-interference unmanned aerial vehicle is controlled to execute the built-in action, whether the anti-interference unmanned aerial vehicle collides when executing the built-in action or not is judged, the anti-interference unmanned aerial vehicle is controlled to execute the built-in action, through machine learning, the flight safety and stability of the anti-interference unmanned aerial vehicle are improved, the operation efficiency and adaptability of the anti-interference unmanned aerial vehicle are optimized, and the operation difficulty and operation cost

The utility model discloses a water quality monitoring device for environmental engineering, which comprises a monitoring station, the top of the monitoring station is provided with a mixing box, the top of the mixing box is respectively and fixedly connected with a water inlet and a chemical feeding port, the top of the monitoring station is fixedly connected with a detection box, and one side of the detection box is rotatably connected with a box door. A water pump is arranged between the mixing box and one side of the detection box, one end of the water pump extends into the mixing box and is fixedly connected with a connecting pipeline, and a stirring assembly is arranged in the mixing box. According to the water quality monitoring device for environmental engineering disclosed by the utility model, the mixing box and the stirring assembly are arranged, so that a medicament and water can be fully mixed, and the medicament is uniformly distributed in the water, thereby improving the mixing effect, ensuring the representativeness and consistency of a water quality sample, and improving the water quality monitoring accuracy. The filter assembly is arranged, so that impurities such as solid particles, suspended solids and precipitates in water can be effectively removed, a water sample is clearer and more transparent, interference to subsequent detection is reduced, and the accuracy of a detection result is improved.

This invention discloses a high-temperature corrosion resistance testing device for processing polycarbonate film, belonging to the field of new material testing technology. It includes a testing chamber with a storage tank for storing corrosive liquid installed on its upper surface. A partition is fixed inside the testing chamber, and a motor is fixed inside the testing chamber below the partition. This high-temperature corrosion resistance testing device for processing polycarbonate film utilizes a movable frame and a shielding plate in its testing mechanism. The movable plate moves up and down, driving a lever to engage with an inclined block, achieving a 30° rotation of the shielding plate. During corrosive liquid spraying, the shielding plate blocks the heating tube, preventing contact between the corrosive liquid and the heating tube from damage or surface scaling that could affect heating efficiency. When the corrosive liquid spraying stops, the shielding plate blocks the atomizing nozzle, preventing residual corrosive liquid from drying and crystallizing at the nozzle tip, thus effectively protecting the heating tube and atomizing nozzle and ensuring long-term stable operation of the device.

The invention relates to the technical field of capsule materials, and discloses a method for detecting the performance of a capsule material, and the method comprises the following steps: S1, cutting a to-be-detected capsule material to form a plurality of pieces, and splicing the pieces to form a spherical capsule; s2, a plurality of capsule body material sheets are pasted on the spherical capsule body; s3, carrying out a rubbing test on the spherical capsule body obtained in the step S2 by utilizing a rubbing test machine; s4, taking down the rubbed capsule body material sheet on the spherical capsule body, and carrying out a performance test; carrying out appearance inspection on the spherical capsule body, then connecting the spherical capsule body with pressure measurement and control equipment, filling gas into the spherical capsule body, and carrying out air tightness detection; according to the method provided by the invention, the multiple folding and packaging processes of the product obtained by processing the capsule material indoors and outfield can be simulated, so that the use performance of the capsule material can be verified, and a verification system of a domestic capsule material is perfected.