852 results about "Rapid testing" patented technology

The present invention discloses a system and method for quickly testing the anti-hydrolysis performance of LED chips, wherein the system comprises: a temperature and humidity regulator, the temperature and humidity regulator is provided with a cavity; a rotating device connected to the inner wall of the cavity, the rotating device can rotate along the inner wall of the cavity; a bracket, the bracket is a cup-shaped structure, the LED chip is mounted on the bracket and forms a conductive connection with the bracket; a test substrate, the bracket is fixed on the test substrate, and the bracket is conductively connected to the test substrate, and the test substrate is connected to the rotating device; the direction of the LED chip is adjusted by the rotating device, a reverse voltage is passed to the test substrate, and the temperature and humidity in the cavity are adjusted to perform an impact test on the LED chip. The direction of the LED chip is adjusted by the rotating device, and the hydrolysis speed of the LED chip is effectively accelerated, thereby shortening the detection time.

The invention relates to the technical field of transistor detection, in particular to a quick test method and system for an MOSFET device. The method comprises the following steps: acquiring and integrating multi-source parallel data of the MOSFET device to obtain real-time I-V characteristic data of the device; performing MOSFET device performance prediction based on the real-time device I-V characteristic data to obtain MOSFET device performance prediction data; screening according to the performance prediction data of the MOSFET device to obtain performance data of a primarily screened qualified device; performing adjustment based on the performance data of the preliminarily screened qualified device to obtain an MOSFET device test scheme; acquiring real-time test data of the MOSFET device, and screening qualified devices to obtain performance data of re-screened qualified devices; and performing device test summarization based on the performance data of the primarily screened qualified device and the performance data of the secondarily screened qualified device to obtain an MOSFET device test report. According to the invention, the test period can be shortened.

The invention relates to the technical field of robot joints, and particularly discloses a robot joint performance testing device which comprises a base, two vertical plates are installed in the middle of the top of the base, a clamping mechanism is arranged between the two vertical plates, and the top of the base is connected with a moving column through two first electric telescopic rods. A moving frame is arranged between the two moving columns, a plurality of balancing weights are arranged in the moving frame, a pushing mechanism is arranged at the top of the moving frame, a connecting frame is arranged at the bottom of the moving frame, an elastic sealing cover is installed between the moving frame and the connecting frame, and a driving mechanism is installed at the bottom of the moving frame. According to the device, through the arrangement of the pushing mechanism, the multiple balancing weights can be sequentially and automatically installed at the tops of the two second installation plates, loads of different weights at the rotating end of the robot joint can be conveniently tested, manual disassembly and assembly of the multiple balancing weights are avoided, and the working efficiency is improved. And the use requirements of people on rapid testing of the joint performance of a large batch of robots can be met.

The utility model provides a chip rapid testing device, which comprises a chip testing module, a charging tray, a charging tray moving mechanism and a chip grabbing module, and is characterized in that the chip testing module comprises a testing jig and a pressing mechanism, the testing jig is used for placing and testing chips, the pressing mechanism is used for pressing the chips, and the charging tray is used for accommodating a plurality of chips; the tray moving mechanism is used for synchronously moving the test fixture and the tray in a first direction, and the chip grabbing module is used for enabling the chip to move between the tray and the test fixture. According to the chip rapid testing device provided by the utility model, the charging tray and the testing jig can be moved at the same time through the charging tray moving mechanism, the charging tray is always kept at a position adjacent to the testing jig, and the distance between the charging tray and the testing jig is relatively short, so that the testing period of a single chip is relatively short, the chip testing time is relatively short, and the chip testing efficiency is relatively high. In addition, the chip rapid testing device can be compatible with a manual testing jig, and the chip testing module can adopt an original manual testing jig.

The invention provides a memory test system and method, and the system comprises a test temperature box which is used for regulating and controlling the environment temperature; the processing module is used for acquiring environment temperatures and sending different read-write instructions and corresponding test data to the memory at different environment temperatures; the power consumption module is used for monitoring power consumption data of the memory; the power consumption module is also used for transmitting the power consumption data to the processing module; wherein the memory executes a read-write operation according to a read-write instruction, and transmits a master control temperature of a master control unit of the memory and a flash memory temperature of a flash memory unit to the processing module; and the processing module is also used for calculating a read-write performance value according to the test data when the memory executes the read-write operation. According to the test system and the test method for the memory, the correlation of the performance, the power consumption and the temperature of the memory in various application scenes can be rapidly tested.

The invention discloses a method and device for testing the fatigue crack growth rate of a metal material based on temperature gradient change, and relates to the technical field of metal material detection. Mounting a constant low-temperature component and a constant high-temperature component close to two ends of the sample respectively; pasting a plurality of thermocouples on the middle surface of the sample; a magnetic powder dynamic moving assembly is installed on the surface of the sample, and a constant-temperature state is given to magnetic powder; loading a bidirectional tension-compression fatigue testing machine along the through hole of the sample; a thermal imager is arranged far away from the parallel sample, and a thermal imaging image is shot; according to the data, the fatigue crack growth rate of the sample at the corresponding temperature is obtained; according to the method, the fatigue crack growth rate of the metal material can be rapidly tested, meanwhile, the temperature gradient is formed in the sample, the influence of the temperature on the crack growth rate can be obtained in different temperature areas, the device required by the whole test is simple in structure, low in cost and convenient to load and disassemble, and the whole efficiency of the test is effectively improved.

An automated, dynamic system and method of testing infrastructure-as-code (IaC). The system is configured to validate infrastructure provisioned in multi-cloud environments and is able to accommodate any cloud provider. Implementation of such as system can eliminate manual errors, as well as enable early detection of errors (i.e., before production deployment), thus empowering early ‘go live’. Furthermore, the proposed embodiments are configured to integrate with already existing devOps pipelines for rapid test execution and can run as many times as needed with minimal configuration, allowing for creation and execution of complex scenarios to test low-level validation upon cloud infrastructure setup.

The invention discloses a bridge dynamic performance rapid evaluation method based on dynamic displacement multi-parameter analysis. The method comprises the core steps that S1, a bridge theoretical fundamental frequency f theory and a theoretical impact coefficient mu theory are calculated, and dynamic load efficiency parameters are calibrated; s2, when the bridge is in a good state, the worst vehicle speed Vc, the maximum impact coefficient initial value mumax initial, the fundamental frequency initial value f initial, the first-order modal damping ratio initial value D initial and the quasi-static deformation reference value Ss are measured through a special loading vehicle; s3, collecting and processing daily patrol dynamic displacement data, and rapidly extracting and analyzing an actual measurement fundamental frequency f actual measurement, an actual measurement impact coefficient mu max actual measurement and an actual measurement damping ratio D actual measurement; and S4, comprehensively evaluating the dynamic performance of the bridge by analyzing the change conditions of the f actual measurement, the mumax actual measurement and the D actual measurement. According to the method, standardized rapid testing is achieved, single-time inspection only needs several minutes, traffic interruption is not needed, the rigidity, impact resistance and energy dissipation characteristics of the bridge structure are efficiently evaluated by means of the multiple objectively-quantified power parameters (the fundamental frequency, the impact coefficient and the damping ratio), and the scientificity and efficiency of daily inspection are remarkably improved.

The invention discloses a direct-current impedance testing method and device and a medium, and relates to the field of battery testing, and the method comprises the steps: testing impedance data of a target battery at different frequencies based on an electrochemical impedance spectroscopy testing method; based on the impedance data of the target battery under different frequencies, performing parameter fitting on the constructed equivalent circuit model to obtain impedance parameters of each component of the equivalent circuit model; determining a time domain differential equation set according to the impedance parameter of each component of the equivalent circuit model; according to the current values of the target battery at any two moments, through the time domain differential equation set, overpotential values caused by each component of the equivalent circuit model at the two moments are calculated; calculating a voltage value of the target battery at each moment according to an overpotential value caused by each component of the equivalent circuit model at each moment; calculating a DC impedance value of the target battery according to the voltage values and the current values of the target battery at the two moments; according to the invention, lossless and rapid testing of the DC impedance of the battery is realized.

According to the test probe assembly, the test system and the test method provided by the invention, in the test probe assembly, the active test probe is additionally provided with the power detector and / or the signal generator on the basis of the passive test probe, so that the transceiving performance test of the tested piece can be realized under the condition that a test instrument is not used, the test cost is reduced, and the test efficiency is improved. The total transmitting power or the total receiving power of the tested piece can be accurately obtained in one-time transmitting testing or one-time receiving testing, the testing efficiency is greatly improved, and the method is particularly suitable for rapid testing of a production line.

The invention relates to a confidential group psychological test system and a data processing method thereof, and belongs to the field of psychological test data processing. The system disclosed by the invention is particularly suitable for an environment with a high confidentiality requirement, and can ensure that individual privacy is fully protected in each step from data collection to report generation in the whole test process. The system supports quick test starting through a QR code, the operation process is greatly simplified, sensitive data is ensured to be processed and accessed only in an authorized local environment through localized data processing and decryption, and data leakage and unauthorized access are effectively prevented. The improvements not only improve the operation efficiency, but also strengthen the security of the system and the credibility of the user.

A nondestructive detection method for battery polarization distribution and a method for rapid battery classification belong to the field of battery detection technology. The present invention detects the changes in the polarization distribution inside the battery by detecting the two-dimensional distribution of the external magnetic field during the relaxation process of the lithium-ion battery, thereby realizing nondestructive detection of the polarization distribution inside the battery, and can effectively analyze the electrochemical characteristics of different sites inside the battery. This method realizes rapid screening and classification of different batteries through the differences in polarization distribution characteristics inside the battery, which helps to quickly classify the consistency of batteries and screen for abnormalities. Compared with conventional electrochemical detection methods, this method allows for rapid nondestructive testing of batteries, especially for factory testing, battery pack inconsistency detection, and rapid detection of large-scale long-term storage batteries.

The invention relates to the technical field of papermaking process detection, in particular to a method for detecting the content of stickies in a white water system of a paper mill. According to the invention, the content of the stickies is determined by measuring the weight change of the stainless steel plate before and after measurement, the operation process only needs to involve the steps of weighing, baking and stirring, multiple samples can be tested within one and a half hours, and the method has the advantage of rapid test. Besides, the testing process is not interfered by non-adhesive components in white water, as long as the operation is correct, the accuracy and reliability of the measurement result are relatively high, and the reliability of the result can be further improved by measuring the sample for multiple times and averaging.

The invention relates to the field of detection, in particular to a bridge arc-shaped steel formwork flatness detection device and method.The bridge arc-shaped steel formwork flatness detection device comprises a positioning frame used for supporting and positioning a steel formwork and further comprises a detection frame used for fixing a detection mechanism, the detection mechanism comprises a set of linear telescopic units, and one end of each linear telescopic unit is matched with the detection frame in a rotating mode; the rotation axis is parallel to the axis of the steel template; a laser detection module is fixed at the other end of the linear telescopic unit; the laser detection module comprises an installation frame which is arranged in the direction parallel to the axis of the steel formwork and used for fixing a laser flatness measuring instrument, the installation frame is matched with the linear telescopic unit in a rotating mode, the rotating axis is parallel to the axis of the steel formwork, and the linear telescopic unit and the installation frame are driven by independent power sources to rotate around the rotating axes of the linear telescopic unit and the installation frame respectively. According to the invention, rapid detection of the flatness of the die surface of the arc-shaped steel template can be realized, and the detection precision is high.

The utility model discloses a high-speed rotation detection device for a heat exchange product and a control system of the high-speed rotation detection device, and the high-speed rotation detection device comprises a rotation driving assembly, an oil tank, a heating system, a to-be-tested product, a rotation frame body, a first monitoring module, a second monitoring module and a test platform, the oil tank and heating system and the to-be-tested product are arranged on the rotating frame body and located at the two ends of the rotating shaft, connected with the testing platform, of the rotating frame body in the radial direction respectively. According to the high-speed rotation rapid testing device for the heat exchange system, the operation state of the high-speed rotation heat exchange system with overload of 0-50 g is simulated through control software, and the function and reliability of the high-speed rotation rapid testing device are tested. Pressure / flow / temperature parameters of gas and fluid during operation of the system are transmitted to a control system in real time through a high-speed signal transmission system and are displayed through a display screen, and test data can be copied off line for further analysis.

The utility model relates to the field of food safety, and discloses a food safety sampling rapid detection box which comprises a detection box body, a rotary drum seat is arranged in an inner cavity of the detection box body, a plurality of containing grooves are formed in the top of the rotary drum seat, limiting mechanisms are arranged in inner cavities of the containing grooves, a rotary shaft is fixedly connected to the center of an inner cavity of the rotary drum seat, and the rotary shaft is fixedly connected with the rotary drum seat. According to the food safety sampling rapid detection box, a detection sample test tube is placed in the containing groove and limited by the limiting mechanism, a food label is placed in the label groove, the transparent sealing cover is covered, the test tube is pressed from the top to seal the top, and the transparent sealing cover does not need to be opened when the test tube is taken for detection; the sealing plug is taken down, the rotating block drives the rotating shaft and the rotating drum seat to rotate, so that the required sample test tube is rotated to the bottom of the groove hole, the test tube is ejected by the ejection mechanism, the required sample test tube is conveniently and quickly taken out for detection, and the problem that the required sample test tube is difficult to take out in the conventional food detection box is solved.

The utility model discloses a soft package battery flexible edge voltage rapid testing device, which comprises a clamping mechanism, a clamping mechanism and a testing mechanism, the clamping mechanism is used for fixing soft package batteries of different specifications and dimensions, a limiting mechanism is arranged on one side of the clamping mechanism, the limiting mechanism comprises two conductive cotton layers which can slide relatively, and the two conductive cotton layers are arranged on the clamping mechanism. The testing mechanism comprises two probes and a driving part, the two probes are arranged on the driving part in a relatively sliding mode, and when the soft package battery is fixed in the clamping mechanism and the top sealing edge of the soft package battery abuts against the two conductive cotton layers, the two probes are driven by the driving part to make contact with two tabs of the top sealing edge of the soft package battery respectively. The problems that in the prior art, side voltages of soft package batteries of different specifications and sizes are inconvenient to detect, and the detection efficiency is low are solved.

The utility model discloses a fast test device for a sum-difference device, relates to the field of radio frequency measurement, and solves the problems of low test speed and low efficiency caused by long time consumption for taking and installing screws when the existing VNA tests the sum-difference device. The key points of the technical scheme are as follows: the device comprises a first waveguide gasket arranged at a waveguide port of a waveguide coaxial adapter / waveguide load and a second waveguide gasket arranged at a waveguide port of a test fixture, and the first waveguide gasket and the second waveguide gasket attract each other; the surface of the first waveguide gasket is provided with a plurality of pins, and the surface of the second waveguide gasket is provided with a plurality of pin holes corresponding to the pins. And screw locking is replaced by magnetic attraction, so that the VNA sum-difference device testing efficiency is improved.

The utility model discloses a concrete prefabricated brick penetration rate rapid testing device, which relates to the technical field of concrete preparation, and comprises a device base, the upper end of the device base is provided with a mounting rack, the inner side of the mounting rack is provided with a mounting shell, the upper end of the mounting shell is provided with a hydraulic cylinder, and the upper end of the hydraulic cylinder is provided with a hydraulic cylinder. A warning indicator is arranged at the front end of the mounting frame, a display panel is arranged on the right side of the warning indicator, a control button is arranged on the right side of the display panel, a conveying water pipe is arranged on the right side of the mounting frame, a hydraulic column is arranged at the lower end of the mounting shell, and four sets of hydraulic movable rods are arranged at the lower end of the mounting shell. According to the rapid testing device for the permeation rate of the concrete prefabricated brick, the concrete prefabricated brick placed at the upper end of the device base can be fixed through the hydraulic plate and the fixing plate, so that the concrete prefabricated brick is prevented from being displaced or damaged in the testing process, and the testing accuracy is guaranteed to a great extent.

The invention belongs to the technical field of sheet metal welding spot detection, and particularly relates to a rapid test device for a sheet metal welding spot of a new energy automobile, the rapid test device comprises a mounting rack and a mechanical arm mechanism fixedly connected to the right side of the mounting rack, the inner wall of the lower side of the mounting rack is fixedly connected with a PLC, and the left side wall of the mounting rack is fixedly connected with a first electric push rod. When a new energy automobile metal plate welding spot is tested, the state that the welding spot is in the seaside for a long time and is eroded by salt in water vapor can be simulated, then the welding spot strength of a sheet metal part is tested, and therefore the comprehensiveness and diversity of test data are improved; and the number of unqualified welding spots can be automatically marked, so that an operator can conveniently record the data subsequently, and the accuracy of recording the data by the operator is improved.

The invention discloses a machine tool precision and rigidity retentivity rapid test method and device, and relates to the technical field of numerical control machine tool performance test.The test method comprises the steps that a static and dynamic force loading test is conducted on a tested machine tool; measuring degradation data of each precision and rigidity of the machine tool; converting the accelerated degradation data to a conventional working condition; and calculating each precision and rigidity retention degree of the machine tool. The testing device comprises a lower platform, an electric cylinder, an electric cylinder fixing tool, a hooke joint, an upper platform, a cutter handle clamp and a simulation cutter handle, and is used for synchronously loading static and dynamic forces in X, Y and Z directions of a tested machine tool. Based on simulation and acceleration of actual service conditions of the vertical machining center, the method and the device can realize on-machine, synchronous and rapid testing of precision and rigidity retentivity of the vertical machining center, and provide test technical support for improvement of performance retention capability of domestic machine tools.

The invention provides an impact resistance testing device for excavator accessories, and relates to the technical field of testing devices.The number of side plates is two, and the two side plates are fixedly connected to the left side and the right side of the top end face of a supporting frame in a linear array; the problem that a heavy object used in the testing process needs to be manually lifted to a high position and then freely falls to collide with accessories for testing, but due to the fact that manual lifting efficiency is low, continuous and rapid testing operation on the accessories is not convenient to conduct, and then limitation exists is solved. Then, the electromagnetic ring is powered off, so that the impact ball can fall down under the action of gravity to carry out an impact test on an accessory positioned on the test block; and in the testing process, the impact ball can fall in the guide cylinder fixedly connected in the connecting frame in the falling process of the initial section of the impact ball, so that the stability of the impact ball in the falling process is improved, and the aim of being more practical is achieved.

The invention relates to the technical field of material performance detection, in particular to a rapid testing method for thermal aging failure of an oil and gas pipeline anticorrosive coating material, which comprises the following steps: testing oxidation induction time t of a sample; respectively carrying out thermal aging with different time lengths at 150 DEG C, measuring and calculating A (tri) / A (on) and a melt index change rate, establishing a linear equation of the A (tri) / A (on), and calculating A '(tri) / A' (on) corresponding to 35% of the melt index change rate; carrying out thermo-oxidative aging on the sample at different time lengths, measuring and calculating A (tri) / A (on), and obtaining aging time t'according to A '(tri) / A' (on); carrying out oxidation induction time test on the thermally aged material to obtain a rate coefficient k; and calculating the aging time corresponding to the material failure critical point. The test method provided by the invention can rapidly characterize the thermal aging failure critical point of the anticorrosive coating material, and provides a scientific basis for development of the material.

The invention discloses a method for rapidly testing a directional diagram of a phased-array antenna based on a vector network segment function. The system can quickly measure directional diagram indexes of phased-array antennas in the wave bands of L, S, C, X, Ku, K, Ka and the like, so that related evidence is provided for research and debugging of the phased-array antennas. The device comprises a test turntable, a phased-array antenna test tool, a vector network analyzer, a feed source turntable, a standard gain antenna, a radio frequency matrix switch, a time schedule controller, a computer, a programmable power supply and other modules. In the process that the rotary table moves from the starting position to the stopping position at a constant speed, the rotary table continuously reports the current position; and after the time schedule controller detects that the trigger position is reached, the phased array antenna is automatically controlled to generate a wave beam and the segment of the vector network is triggered to scan, and finally the directional diagram test is completed.

The invention relates to a nucleic acid detection platform based on an SHERLOCK technology, which is used for diagnosing CAV-2. The SHERLOCK consisting of recombinase polymerase nucleic acid pre-amplification (RPA) and CRISPR-Cas13a is mainly used for specifically recognizing a conserved sequence of CAV-2RNA (Ribonucleic Acid) through crRNA (Complementary Ribonucleic Acid) so as to activate the non-specific'side cutting activity 'of lwCas13a, so that the report RNA is degraded. A real-time fluorescent quantitative PCR (qPCR) system or a lateral flow test strip is used for collecting fluorescent signals generated by cracking of the reporter molecules, and a visual result is displayed. In addition, through HUDSON treatment, RPA-CRISPR can be amplified at room temperature without viral nucleic acid extraction. The detection limit of the method is 1.1 * 10 < 2 > copies / [mu] L, and the method has no cross reaction with other canine infectious viruses. From sample collection to result output, the whole reaction of RPA-CRISPR can be completed within two hours, and the RPA-CRISPR kit is suitable for rapid test of clinical samples and can work well in the field or in primary laboratories. The method can get rid of the limitation of a detection instrument and complex operation, and is suitable for on-site rapid batch detection. The method is preliminarily verified and further optimized and applied.

The invention provides a compressive strength testing device for an autoclaved aerated concrete block, and relates to the field of block strength testing, the compressive strength testing device comprises a testing assembly, the testing assembly is composed of a pressure applying mechanism and a transmission mechanism, when the testing assembly is used for testing the compressive strength of the block, the testing assembly has initial testing pressure, and when the testing assembly is used for testing the compressive strength of the block, the testing assembly is used for testing the compressive strength of the block; in other words, the pressure of the testing assembly does not start from zero during pressurization, so that the time consumed when a traditional press starts to conduct pressurization testing from zero is saved, testing is rapid, testing efficiency is high, the testing assembly has the protection function, and when the building blocks are broken, the testing assembly can be self-locked. The test assembly is prevented from being damaged due to elastic impact generated by losing the support of the building block, and the problems that the pressure exerted on the building block by the existing compressive strength test device of the aerated concrete building block always starts from zero, a certain time is needed to reach the required pressure value, the test efficiency is low, and the test cost is low especially when a large batch of building blocks are detected are solved. And the consumed time is long.

The utility model discloses an explosion-proof pressure detection device for a lithium battery cap, and relates to the technical field of lithium battery cap testing. The device comprises a top plate and a test plate located right below the top plate. A sealing plate is arranged between the top plate and the testing plate, a testing opening is formed in the middle of the upper end face of the testing plate, a screw opening communicated with the interior of the testing opening is formed in the lower end face of the testing plate, a placing ring is fixed to the inner side wall of the testing opening, a high-pressure pump is fixed to the upper end face of the sealing plate, and an outer screw plate is spirally arranged in the screw opening; a plurality of movable holes in an annular array are formed in the upper end face of the outer screw plate, movable rods are slidably arranged in the movable holes, linkage heads are fixed to the upper end faces of the movable rods, and a hydraulic cylinder is fixed to the upper end face of the top plate. According to the utility model, the high-pressure pump and the hydraulic cylinder are matched for use, rapid testing of the lithium battery cap is realized, and meanwhile, the linkage head is connected with the bottom surface of the lithium battery cap, so that the explosion-proof pressure testing condition can be observed at the first time.

The invention belongs to the field of coal seam coal rock mechanical property testing, and particularly relates to an accurate fidelity testing method for three-resistance strength parameters of coal rock before heat injection and permeability increase. Comprising the following steps: S1, sample preparation; s2, testing equipment configuration; s3, environment control; testing in the testing cover, setting the temperature and humidity in the testing cover to be consistent with the original sample environment, setting the temperature fluctuation range to be less than or equal to + / -1 DEG C, and maintaining parameter stability through an automatic adjusting system; s4, testing compressive strength; loading at a constant speed of 0.5 MPa / s, recording a failure load and calculating compressive strength c = Fc / A; s5, tensile strength testing; stretching at the speed of 1MPa / s, recording the fracture load and calculating the tensile strength r = 2Fr / piDt; s6, testing the shear strength; loading shear force at a constant speed, recording a failure load and calculating shear strength; S7, analyzing data; and after abnormal values are removed, generating a strength parameter curve, and comparing mechanical property data in different stress states. The accurate fidelity testing method for the three-resistance strength parameters of the coal rock before coal seam heat injection and permeability increase has the advantages of being easy and convenient to operate, rapid in testing, accurate in data and the like.

The invention discloses a device electroluminescence characteristic test system comprising an AC voltage signal source for providing an AC voltage signal; the conductive test bench comprises a base station and a contact probe, the base station is made of a conductive material and is used for placing a sample to be tested, the contact probe comprises a conductive material and is used for forming electric contact with the sample to be tested, and during testing, the sample to be tested is placed on the base station, and the contact probe is used for forming electric contact with the sample to be tested. AC voltage generated by the AC voltage signal source is applied to a to-be-tested sample through the contact probe, and the AC voltage is large enough to drive the to-be-tested sample to emit light; the series resistors are used for forming series connection with a sample to be tested; and a detection instrument. According to the method, the problems of etching damage and complicated operation caused by metal contact in a traditional EL detection method and the problem of inaccurate spectrum test in a PL detection method are solved, a simple and efficient novel EL characterization means without pretreatment is realized, and the method is suitable for rapid test and performance evaluation of various material systems and luminescent devices.

The invention discloses a blade dynamic strain measuring point determination method, device and equipment, a storage medium and a product, and the method comprises the steps: S1, calculating a blade modal through finite element software, calculating the dynamic strain sensitivity of different nodes of the blade in different directions according to the information of all finite element nodes under each order derived from a finite element calculation result; s2, screening and searching the maximum value of the dynamic strain sensitivity from the dynamic strain sensitivities of different nodes and different directions to obtain the blade dynamic strain optimal measurement point position and measurement direction of the strain gauge and the minimum sensitivity of the modal group; and S3, similarly calculating the group sensitivity, the optimal measurement point position and the group optimal measurement direction of all modal groups to obtain the blade dynamic strain optimal measurement point position and measurement direction of all strain gauges and the minimum sensitivity of the modal groups. The method avoids omission of the optimal measuring point, has the characteristics of economy, rapidness and high test sensitivity, and can determine more reasonable dynamic strain measuring points and measuring directions.