26results about How to "Simple test steps" patented technology

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 an electromagnetic lock running-in and friction torque automatic test system and method, and relates to the field of electromagnetic lock testing, and the system comprises a test bench which comprises a fixed base, an electromagnetic lock, a first coupling, a torque and rotating speed sensor, a second coupling and a servo motor. An electromagnetic lock fixing assembly and a servo motor fixing assembly are fixed on the fixed base, a stator part of the servo motor is fixedly connected to the servo motor fixing assembly, and a stator part of the electromagnetic lock is fixedly connected to the electromagnetic lock fixing assembly; a rotor part of the electromagnetic lock is fixedly connected with the torque and rotating speed sensor through a first coupler, and the torque and rotating speed sensor is fixedly connected with an output shaft of the servo motor through a second coupler. The problem that an existing electromagnetic lock friction torque testing system cannot meet the requirements for accuracy and efficiency of electromagnetic lock friction torque measurement is solved.

The invention relates to a projectile body penetration icebreaking test device which comprises a rack, a projectile body launching assembly, a positioning clamp, a protection assembly and an image shooting assembly, the rack is provided with a horizontal test surface used for placing a sample, and an opening located below the sample is formed in the horizontal test surface; the bottom of the projectile body launching assembly is a launching end pointing to the horizontal testing face, the projectile body launching assembly is rotationally connected with the rack in the vertical horizontal plane, the positioning clamp is installed on the horizontal testing face of the rack and provided with a positioning end, and the protection assembly is arranged below the horizontal testing face and fixedly connected with the rack. The image shooting assembly is mounted on the rack and is provided with an image acquisition end; the sample can be fixed on the horizontal test surface of the rack through the positioning clamp, the inclination angle of the launching end of the sample can be adjusted by rotating the projectile launching assembly, and the image information of the sample is acquired through the image shooting assembly, so that the impact damage of the projectile to the sample at different penetration angles is researched.

The application discloses a nuclear factor YB subunit gene GhNF-YB3 and application thereof, the nucleotide sequence of the gene GhNF-YB3 is shown as SEQ ID NO. 1; through yield character investigation on 245 upland cotton varieties, GWAS and eQTL positioning are carried out in combination with population genome resequencing and ovule transcriptome sequencing one day after flowering, and a site gene GhNF-YB3 significantly related to cotton yield character is obtained. The gene expression of the gene GhNF-YB3 is significantly positively correlated with two yield characters of seed index and boll weight, and the gene may be a causal gene for regulating cotton seed index character. The nuclear factor YB subunit gene GhNF-YB3 of the application can be applied to identification of high-yield upland cotton varieties and improvement of cotton yield character.

The application relates to the technical field of PCIe devices, and discloses a parameter configuration method and device, a computer device and a storage medium, the method comprising the following steps: setting a plurality of first preset value combinations; configuring preset values of a plurality of PCIe devices according to the first preset value combinations, and performing first testing on the plurality of PCIe devices to obtain first testing results; determining an effective preset value range that can be configured by each PCIe device according to the first testing results; selecting an effective preset value from the effective preset value range corresponding to each PCIe device to form a second preset value combination; configuring preset values of the plurality of PCIe devices according to the second preset value combination, and performing second testing on the plurality of PCIe devices to obtain second testing results; and determining an optimal second preset value combination according to the second testing results corresponding to the plurality of second preset value combinations. The application can determine optimal preset values corresponding to each PCIe device respectively, and can simultaneously ensure the stability of PCIe links of each PCIe device.

The invention relates to the technical field of aging tests, and discloses a test device and method for accelerating material aging through multi-environmental factor coupling, and the test device for accelerating material aging through multi-environmental factor coupling comprises a test box body which is used for providing an aging degree test environment; the illumination system is mounted in the test box body and is used for providing irradiation for the test box body; the salt mist system is connected to one side of the test box body through a pipeline and is used for spraying salt mist into the test box body; and the gas mixing system is connected to one side of the test box body through a pipeline and is used for guiding various gases into the test box body. By adopting the multi-factor coupling material aging system, the combined action of multiple factors in a service environment is simulated, the process of a multi-factor coupling aging test is accelerated, the test steps are simplified, the test period is greatly shortened, the manual labor is reduced, and the system closely combines a salt fog factor with other environmental factors.

The utility model discloses a program logic function detection device of a lithium bromide absorption type refrigerating unit control system, and belongs to the technical field of lithium bromide absorption type refrigerating units. According to the technical scheme, a main controller used for controlling operation and data processing of the whole detection device is connected with a touch screen used for displaying parameter changes in the testing process and operating the automatic detection device to start testing and end testing; and the thermal resistance signal generator is used for simulating a thermal resistance temperature signal required by operation of the lithium bromide system and sending the analog signal to the main controller, and is connected with the main controller. The program logic function detection device for the lithium bromide absorption type refrigerating unit control system has the beneficial effects that the manual test time can be shortened, the test efficiency is improved, the test steps are optimized, and one-button automatic detection is realized; the lithium bromide absorption refrigerating unit has wide application prospect and market potential, and provides powerful support for the development of the technical field of the lithium bromide absorption refrigerating unit.

This utility model discloses a multi-input / output power supply testing fixture, including a test circuit board, and a banana-shaped connector terminal unit, a J30J micro-pitch connector unit, and a toggle switch unit mounted on the test circuit board. The banana-shaped connector terminal unit is used to connect to external testing equipment; the J30J micro-pitch connector unit enables plug-in and plug-out connection with the multi-input / output power supply under test; and the toggle switch unit controls the enable terminal of the multi-input / output power supply. This utility model is easy to operate, simplifies the testing of multi-input / output power supplies, has low fixture wear and is easy to control, can realize electrical performance testing of multi-input / output power supplies, has a wide range of applications, and improves the testing efficiency of multi-input / output power supplies.

The invention discloses a scale inhibitor for high-concentration iron ions, a preparation method of the scale inhibitor and a scale inhibition rate detection method, and the scale inhibitor for high-concentration iron ions is prepared by mixing and reacting the following components in percentage by mass: 20-25% of an organic phosphorus mixture, 10-15% of a metal chelating agent, 1-2% of a catalyst, a pH regulator and the balance of deionized water. According to the scale inhibitor for the high-concentration iron ions, generation of iron scales in a water body containing the high-concentration iron ions can be effectively reduced, the scale inhibition rate detection method of the scale inhibitor can rapidly complete the test process of the scale inhibition performance of the scale inhibitor for the iron scales, the test result is accurate, the test steps are simple, and the test cost is reduced.

This invention relates to the field of soil frost heave characteristic testing technology, and particularly to an improved soil frost heave characteristic testing device and method, comprising an acrylic mold, wherein several threaded holes are respectively opened on both sides of the acrylic mold along its height direction, and a special hole bolt is threaded into the threaded holes. The special hole bolt includes a bolt part and a flared mouth with an integral structure. A circular hole is opened in the middle of the bolt part, and the flared mouth is threaded on the outside. A matching rubber stopper is installed in the middle of the flared mouth. The matching rubber stopper is frustoconical and is divided into four equal parts. The matching rubber stopper fits tightly with the flared mouth. The contraction of the flared mouth causes the middle hole of the rubber stopper to shrink, thereby fitting tightly with the sensor cable. A hexagonal metal washer is threadedly connected to the outside of the flared mouth. The hexagonal metal washer is used in combination with the flared mouth to tighten the flared mouth.

This invention discloses a fingerprint module factory testing method, device, and computer-readable storage medium. The method includes: creating an initial password verification factor for the device in the fingerprint module's factory testing mode; setting the device's password to a preset keystore based on the initial password verification factor; when the device's password is successfully set, recording a test value of 1 through a corresponding system attribute; verifying the initial password verification factor and the keystore to obtain verification response body parameters; if the verification response body parameters are not empty, obtaining the verification token of the verification response body, and using the verification token to enable fingerprint verification of the device. This provides an efficient fingerprint module factory testing scheme, greatly simplifying the testing steps for fingerprint modules in smart devices, reducing labor and time costs, and improving productivity.

The utility model discloses an analog load testing arrangement and system. Analog load testing arrangement includes: first resistance device, second resistance device, transmission shaft, manual control subassembly, automatic control subassembly and controller, and first resistance device and second resistance device are coaxial connection through transmission shaft, and transmission shaft connects manual control subassembly and automatic control subassembly, and transmission shaft is used for adjusting first resistance device and second resistance device, and first resistance device connects analog load signal end, and second resistance device is electrically connected with controller, and controller is also electrically connected with automatic control subassembly, and controller controls automatic control subassembly to adjust first resistance device and second resistance device, and the resistance of detecting second resistance device. The utility model discloses technical scheme, through resistance device, transmission shaft and control subassembly etc. simple device, has solved the inconvenient carrying and high cost problem of current testing arrangement, can simplify the test step of complex load scene.

The utility model discloses a sliding plug door centralized control circuit and a sliding plug door centralized control tester, which relate to the technical field of rail transit vehicles and comprise a selection switch, a door opening switch and a door closing switch. The selection switch comprises a first contact and a second contact which are interlocked and a third contact and a fourth contact which are interlocked, the first contact and the third contact are interlocked, and the second contact and the fourth contact are interlocked; the first contact and the second contact are connected with a power supply after being connected in series with the door opening switch, and the third contact and the fourth contact are connected with the power supply; the first contact and the fourth contact are connected with a left door opening signal line, the second contact and the third contact are connected with a right door opening signal line, and the four contacts are connected with a door closing signal line through a door closing switch. The centralized control switch test of the sliding-plug door can be realized only by opening and closing each switch, so that the test steps are effectively simplified, and the test efficiency of the sliding-plug door is improved.

The invention relates to the technical field of electromagnetic environment effect test, and discloses a system-level lightning indirect effect and HIRF radiation sensitivity comprehensive test device and a test method. The method comprises the following steps: determining the test frequency range of HIRF for testing, and performing pre-test calibration; determining the lightning waveform, level and quantity parameters for the lightning indirect effect test, and performing performance verification on a transient signal generator; performing a HIRF radiation sensitivity test, injecting a lightning current signal within the same frequency action cycle of the HIRF test, observing and recording test results under the comprehensive effect of lightning and HIRF on an electronic and electrical system; performing a study on the comprehensive effect of lightning and HIRF, and evaluating the comprehensive protection effect of lightning and HIRF on an electronic and electrical system; the test method of the invention can verify the comprehensive lightning and HIRF protection performance of an electronic and electrical system of an aircraft, and reduce the safety hazards of the aircraft.

The present invention discloses a humidifier testing device and a testing method thereof, comprising a rotating cylinder, a testing frame, a water storage pipe, a pressing cylinder, a clamping finger cylinder and a power tester; the rotating cylinder is connected to the testing frame, the testing frame comprises a base plate and a gantry, the front of the base plate is provided with a station for placing the base, the water storage pipe is fixed through the base plate and the pipe mouth of the water storage pipe is located on the front side of the base plate, the pressing cylinder is fixed on the crossbeam of the gantry, the clamping finger cylinder is fixed on the base plate and used to clamp the float on the base, the power tester is connected to the control circuit, and the testing method performs corresponding testing steps based on the testing device. It has the following advantages: simplifying the testing steps and improving the testing efficiency.

The invention discloses a device and method applied to diffusion visualization and diffusion efficiency evaluation of a regenerant, and the device comprises a transparent visual main body unit, a partition temperature control system, a detachable movable blocking assembly, a double-path independent gravity constant-pressure loading system and a visual observation assembly, a transparent housing base body is provided with a rectangular accommodation cavity with scales, and the rectangular accommodation cavity is divided into a first chamber and a second chamber; the two groups of independent loading assemblies are correspondingly arranged respectively; a transparent medium and a fluorescent direct reading scheme are adopted, the diffusion process of the regenerant is visually observed in real time, traditional slicing and CT scanning are replaced, the steps are simplified, the cost is reduced, and the test efficiency and the data traceability are improved; through gravity loading and piston follow-up compensation, a partition plate dissociation gap is automatically filled, and consistency of test conditions and true data are guaranteed; in combination with medium cooling and curing and the negative pressure coring cutter, in-situ lossless sampling is realized, the sample integrity is ensured, and the stratified analysis positioning precision is improved.

The invention provides an avionics control panel integration test system, a test method and test equipment. The test system comprises a multi-path power supply output module used for providing various power supplies with different types, voltages and frequencies for the avionics control panel; the power supply input management module is used for being connected with an external power supply so as to receive and process two externally input power supplies with different specifications; the multi-path signal control and monitoring module is used for simulating discrete control signals input to the avionics control panel and monitoring response signals of the avionics control panel; the data communication module is used for carrying out standardized digital data communication with an avionics control panel; and a plurality of power supply and signal test points which are distributed in the modules and are used for being connected with external test equipment so as to monitor power supply output parameters and signal levels in real time. The test system is adopted in the test method. The test device comprises a circuit board and an electronic component for implementing the test system.

The utility model relates to gas generating agent detection technical field, more particularly, relate to a kind of gas generating agent testing device. Gas generating agent testing device includes accommodating cylinder, gland, ignition unit, pressure test unit and pressure relief unit;Gland is detachably connected with accommodating cylinder, and gland is used to form the cavity of accommodating the gas generating agent to be measured with accommodating cylinder together;Ignition unit is connected with gland, and is used to ignite the gas generating agent to be measured in cavity;Pressure test unit and pressure relief unit are all connected with gland, and all are communicated with cavity. The gas generating agent testing device can directly detect gas generating agent, without limiting the shape and characteristics of gas generating agent, and its detection efficiency is high, and detection cost is low.

The present invention discloses a synchronous measurement system for the natural frequency and quality factor of a micro-resonator, which is used to control the on and off of an electric control switch through an FPGA for measurement. When the first input end of the switch is closed, the resonator driving electrode is connected to the AGC output end, and the C / V interface detection circuit and the AGC form a closed-loop driving circuit, so that the resonator works at a stable amplitude; when the second input end of the switch is closed, the resonator driving electrode is grounded, the driving circuit is open-loop, and the resonator amplitude is attenuated. During the attenuation process, the signal is collected by a comparator; the positive ends of the two comparators are connected to the output end of the C / V interface detection circuit, and the negative ends are provided with different threshold voltages, which are used to convert the detection signal into a square wave signal and input it into the FPGA; the FPGA calculates and outputs the natural frequency and quality factor according to the square wave signal. The present invention is characterized in that the synchronous reading of the natural frequency and the quality factor can be completed only by the comparator and the FPGA, and the test cost is low and the operation is simple.

The invention relates to a mechanical bearing and medium transportation performance testing method for an aircraft structural member, belongs to the technical field of aviation structural member performance testing, and solves the problems that in the prior art, a method for simultaneously testing mechanical bearing and medium transportation performance lacks, a coupling test between fluid and mechanics cannot be carried out at the same time, and the testing efficiency is low. And the test result is not accurate. According to the method, the mechanical bearing function and the medium transportation function of the aircraft structural component are subjected to coupling testing, the mechanical bearing performance and the medium transportation performance of the aircraft structural component can be tested at the same time, the coupling effect between fluid and mechanics can be considered, a real use scene is simulated, and the testing result is more accurate; the test steps are simple and the test cost is low; the aircraft structural member obtained through testing is excellent in mechanical bearing performance and medium transportation performance.

The invention discloses a device and a method for determining the wet true density of ion exchange resin, and the method comprises the following steps: placing an ion exchange resin sample to be tested at the bottommost end of a first container, and recording the mass of the ion exchange resin sample to be tested in air; opening the buckle, enabling the ion exchange resin sample to be tested to freely fall into the second container, and recording the mass of the ion exchange resin sample to be tested in the auxiliary liquid; and calculating the wet true density according to the mass of the ion exchange resin sample to be tested in the air and the mass of the ion exchange resin sample to be tested in the auxiliary liquid. According to the method, the Archimedes principle is utilized to test the wet true density of the ion exchange resin, the ion exchange resin to be tested flows into the auxiliary liquid, the mass of the ion exchange resin to be tested only needs to be recorded twice in the testing process, and the method is simple in step, time-saving, efficient, small in personal error and good in reproducibility.

The invention discloses a method for testing foam performance of a wash care product, which comprises the following specific implementation processes: preparing cellulose paper, drawing 2-4 circles of concentric circles on the surface of the cellulose paper, arranging foam limiting rings at the centers of the concentric circles, enabling the centers of the foam limiting rings to coincide with the centers of the concentric circles, and generating foam by using a packaging bottle of an actual product. Foam is squeezed into the foam limiting ring, the time required for soaking the foam from the center to the edge of each concentric circle is observed and recorded, time data corresponding to different diffusion radiuses are obtained, and the foam diffusion speed is evaluated. According to the method, expensive equipment is not needed, testing can be carried out only through simple cellulose paper and a foam pump bottle, and the cost is low.

The invention discloses a hydroxyl value testing method of a water-based composition and application thereof, and relates to the field of chemical or physical property testing of materials, and the hydroxyl value testing method comprises the following steps: mixing the water-based composition with a solvent mixture, and stirring until the water-based composition is completely dissolved to obtain a water-based composition solution; and adding boric acid into the aqueous composition solution, controlling the pH value, carrying out a constant-temperature water bath reaction, avoiding boiling to obtain a mixture, cooling, and testing to complete the hydroxyl value test. According to the method disclosed by the invention, pyridine and imidazole are replaced by boric acid, so that the use of harmful reagents is avoided, complicated derivatization or dangerous byproducts are avoided, and the test steps are simpler and more convenient compared with the traditional method. The method not only simplifies operation steps, but also reduces energy consumption and equipment requirements.

The application discloses a kind of electric vehicle battery life quick test methods, comprising the following steps: S1: obtaining battery;S2: discharge battery to termination voltage by first current, obtain discharge capacity;Constant voltage and second current are charged for several hours to battery, and the battery is stationary after charging;If discharge capacity is greater than capacity threshold, calculate capacity attenuation rate, repeat step S2, if discharge capacity is not greater than capacity threshold, end test;S3: based on continuous capacity attenuation rate determines whether battery has life problem.The beneficial effects of the present application are: it can shorten the test cycle, quickly determine whether the positive plate has interface problem, simple operation and strong applicability.

This invention relates to a measurement system and method for the energy release rate of a moving crack under explosive loading, belonging to the field of explosion dynamics. The system includes: a cold light source, a speckle target surface, an electric translation stage, a specimen, a fixture, an explosive charge, a multi-channel timing delay controller, a pulse igniter, a high-speed camera, a camera bracket, and a computer. It employs a combination of digital gradient sensitive photometry and explosion dynamics testing techniques. A high-speed camera captures images of the speckle target surface behind the acrylic glass specimen under explosive loading. Digital gradient sensitive photometry measures the light deflection angle distribution near the tip of the moving crack in the acrylic glass specimen, thereby measuring the dynamic energy release rate of the moving crack. This method eliminates the tedious process of counting photoelastic fringes, simplifying the experimental steps, making the crack tip easier to identify, and providing reliable results. Compared to traditional methods, a crack propagation rate correction coefficient is added, making the experimental results more accurate.

The utility model relates to a test fixture which comprises a base and a test piece 5, the base is used for fixing a to-be-tested product, the test piece is provided with a sampling part capable of rotating relative to the base, the sampling part is provided with a switching point, and the switching point can make contact with a test point on the to-be-tested product on the base when the sampling part rotates so as to test the to-be-tested product; according to the test fixture, the to-be-tested product is fixed through the base, and the test is carried out in a mode that the sampling points on the sampling part are in direct contact with the test points of the to-be-tested product on the base; therefore, an unnecessary signal switching part generated during signal connection of the to-be-tested product can be transferred to the to-be-tested product, so that redundant switching during signal connection of the to-be-tested product and the test fixture is reduced, and parts required for manufacturing the test fixture are greatly reduced; therefore, the purpose of simplifying the test steps and the structure of the whole test fixture is achieved, and the manufacturing cost of the test fixture is reduced.