52results 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 invention discloses a low-speed wind tunnel support interference test method based on a mechanical arm supporting mode, and belongs to the field of wind tunnel support interference tests. The method comprises the steps that S1, model aerodynamic force measurement is carried out on a model in the mode that a back supporting rod is positively installed without a belly supporting rod and an auxiliary support; s2, carrying out model aerodynamic force measurement on the model by adopting a mode that a front belly supporting rod is not provided with a back supporting rod but is provided with an auxiliary bracket; s3, carrying out model aerodynamic force measurement on the model by adopting a mode of positively installing a belly supporting rod without a back supporting rod and an auxiliary bracket; s4, carrying out model aerodynamic force measurement on the model by adopting a mode of positively installing a belly supporting rod with a back supporting rod and an auxiliary bracket; and S5, according to the steps S1 to S4, obtaining the support interference variable of the model adopting an abdomen support and a back support strut. The research and development aim of the invention is to solve the problem that the interference variable of the abdominal support and the back support can be quickly obtained by adopting a switching test of the abdominal support and the back support, so that the test steps are simplified, the test operation and data processing difficulty is greatly reduced, and the test efficiency is improved.

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 discloses a method for testing the sensitivity of a cross axis of an accelerometer, which is realized through a double-centrifugal-machine system and comprises the following steps of: firstly, fixing the accelerometer to be tested on a slave centrifugal machine, enabling the slave centrifugal machine to return to zero and be positioned at a zero position, and recording the output U0 of the accelerometer to be tested; thirdly, the output acceleration of the main centrifugal machine is set to be a preset value a, the main centrifugal machine is started, the angle of the auxiliary centrifugal machine is kept at the zero-degree angle, and the output U1 of the accelerometer to be measured at the moment is recorded; then, respectively positioning to 90 degrees, 180 degrees and 270 degrees from the centrifugal machine, and recording outputs U2, U3 and U4 of the to-be-measured accelerometer at each position; calculating the sensitivity ko of the cross axis of the output shaft by using a formula ko = k1 * (U2-U4) / (U1-U3); and finally, re-installing the accelerometer, repeating the steps, and calculating the sensitivity kp of the cross axis of the pendulum shaft. The method can accurately measure the cross axis sensitivity of the accelerometer, improves the measurement efficiency and accuracy, and is suitable for various high-precision accelerometer test scenes.

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 present invention discloses a millimeter wave anti-interference test fixture and a test tooling assembly, wherein the lower tool is used to load a SIP millimeter wave module, and the upper tool is buckled with the lower tool. The switch assembly is installed on the upper tool, and the switch assembly includes a metal body, a metal baffle and a power piece. The DOCK millimeter wave module is loaded on a magnetic base, and is provided with a signal transmission belt extending out of the magnetic base and a detection port provided at one end of the signal transmission belt. The metal body is provided with a transmission channel, and the detection port of the DOCK millimeter wave module and the detection port of the SIP millimeter wave module are connected through the transmission channel. The metal body is provided with a slideway connected to the transmission channel. The power piece is used to drive the metal baffle to slide back and forth along the slideway, so that the metal baffle closes or connects the transmission channel, thereby realizing the connection or disconnection of the signal between the SIP millimeter wave module and the DOCK millimeter wave module. The present invention can effectively improve the stability of the connection and disconnection test of the millimeter wave module, and can effectively prevent the mutual interference of the tests between multiple transmission channels.

The invention discloses a durability test bench for a gap mechanism of a drum brake, and relates to the technical field of drum brake tests. The durability test bed for the gap mechanism of the drum brake comprises a base, a second mounting mechanism and a lifting mechanism, a bedplate is arranged right above the base, a first mounting mechanism is arranged on the bedplate, the first mounting mechanism comprises a hydraulic rod, a connecting block, a connecting rod, a butt-joint disc, a butt-joint sleeve and a clamping mechanism, and the hydraulic rod is arranged at the top of the bedplate. And a connecting block is fixedly mounted at the free end of the hydraulic rod. According to the durability test bench for the gap mechanism of the drum brake, through the cooperation of the first mounting mechanism 3 and the second mounting mechanism 4, especially under the action of a clamping mechanism 39 and an inserting mechanism 48, when different brake assemblies 6 are replaced for testing and a brake drum 9 is disassembled and assembled, quick disassembly and assembly can be carried out, time and labor are saved, the test steps are simplified, and the test efficiency is improved. And the practicability of the test bench is improved.

The utility model provides a radio frequency test device which comprises a radio frequency shielding box, a radio frequency test tool is arranged in the radio frequency shielding box, a separable feeding and discharging door is arranged on the side edge of the radio frequency shielding box, the feeding and discharging door is provided with a fixing frame used for placing a product carrier, and the fixing frame is located in the radio frequency shielding box and matched with the radio frequency test tool. The fixing frame is provided with a sliding rail, the radio frequency shielding box is fixedly provided with a sliding block and a pushing force module, the sliding block supports the sliding rail, and the pushing force module pushes the feeding and discharging door to be away from or attached to the radio frequency shielding box. When a product test or a product carrier in the radio frequency shielding box is replaced, the radio frequency shielding box does not need to be disassembled, so that the test steps are simplified; the utility model belongs to the technical field of test equipment.

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.

According to the inertial measurement unit testing device provided by the invention, after a product slides in from an inlet in the top end of an x test channel, an x interception motor is used for driving an x interception rotating shaft to drive an x interception block to swing into the lower end part of the x test channel so as to limit the product from sliding out from an outlet in the bottom end of the x test channel; after the test is completed, an x interception motor is used for driving an x interception rotating shaft to drive an x interception block to move away from the lower end part of an x test channel; the product can slide out of the bottom end outlet of the x test channel and flow into another test platform, test equipment, a processing station or a conveying line or channel of an original production line, so that the product can be fed into and discharged out of the test platform without arranging a feeding and discharging mechanism, and the preparation cost and the occupied space of the equipment are reduced; the invention belongs to the technical field of test equipment.

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 provides a multifunctional automatic test system and method, and the system comprises an automatic test platform, a network switching device, and a multifunctional test platform, the multifunctional test platform is connected to the automatic test platform through the network switching device, and is connected with a tested device through a test interface; the automatic test platform is used for storing and managing application programs and test cases of the equipment and counting and querying test results; the server is used for querying matched application programs and test cases after receiving an automatic test request sent by the multifunctional test platform, packaging the application programs and the test cases and sending the packaged application programs and the test cases to the multifunctional test platform; the multifunctional test platform is used for acquiring identity information of the tested equipment and uploading the identity information to the automatic test platform; and receiving an application program and a test case issued by the multifunctional test platform, burning the application program into the tested equipment, executing the test case to test the tested equipment, obtaining a test result, and uploading the test result to the automatic test platform.

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 invention discloses an electronic product aging automatic test platform and a test method thereof, and relates to the technical field of electronic product aging test. The electronic product aging automatic test platform comprises a to-be-tested electronic product body and a test platform used for testing the electronic product, and the test platform is provided with a test assembly used for carrying out aging test on the electronic product body and a safety assembly used for isolating oxygen. The top cover is movably installed at the top of the test platform through a support and used for being matched with the test platform to form a closed space, a storage battery used for providing power for the electronic product body is fixed to the bottom of the test platform, the test safety is improved, meanwhile, the test steps are simplified, the test time is saved, and the test efficiency is improved; the carbon dioxide gas and the sodium hydroxide solution can be recycled, resources are saved, environment friendliness is achieved, and meanwhile the operation and maintenance cost is reduced.

The utility model provides a testing device, which is used for testing electronic cigarette semi-finished products and comprises a bottom shell, a microphone assembly and an indicating lamp, the bottom shell is provided with an air inlet hole, a microphone cavity and an installation cavity, the microphone assembly is contained in the microphone cavity, the installation cavity is respectively communicated with the microphone cavity and the air inlet hole, and the testing device comprises a testing box and a suction assembly. The test box is used for connecting an electronic cigarette semi-finished product and is internally provided with a test cavity; when the test box is connected with the electronic cigarette semi-finished product, the test cavity is communicated with the mounting cavity; the suction assembly is connected with the test box and is used for sucking gas in the test cavity; the suction assembly sucks the gas in the test cavity to cause the pressure change of the microphone cavity and trigger the microphone assembly to start, and the indicating lamp can sense the start of the microphone assembly and illuminate. According to the method, unqualified semi-finished electronic cigarette products can be effectively identified, the test steps are simple and efficient, and the unqualified semi-finished electronic cigarette products can be quickly and accurately screened and picked out and fed back to the production stage in time so as to be adjusted in time.

The invention relates to a method for testing linearity of an astronomical imaging detector after irradiation. A device involved in the method is composed of an electrostatic test platform, an integrating sphere light source, a three-dimensional sample adjusting table, a sample test board, an astronomical imaging detector sample, a direct-current power supply and a computer. The method comprises the following steps: carrying out an astronomical imaging detector proton irradiation damage test, extracting gray values of single pixels of collected background images and light field images with different exposure times, calculating a gray average value of the light field images without the background, finding out a full well signal value, and taking the exposure time as a horizontal axis to obtain a full well signal value; the method comprises the following steps of: taking the exposure time and the light field gray average as a vertical axis, taking the partial light field image gray average as a vertical axis, carrying out least square fitting on linearity data, extracting the linear region slope and intercept of a fitting curve, carrying out linearity calculation on each group of exposure time and the light field gray average, and then solving the average value of all groups of linearity data, namely the linearity of the astronomical imaging detector. The method is suitable for various astronomical imaging detectors and has the advantages of being convenient to test, small in error, high in speed, high in practicability and the like.

A fixture for testing the light spot of a COB-LED light source and a method for testing the light spot of a COB-LED light source. Relating to the field of optical testing. The testing method is simple and the testing cost is low. A fixture for testing the light spot of a COB-LED light source, comprising a base and an upper cover covering the base, the base being provided with a light source display hole, an LED chip being fixed on the base and a light-emitting portion of the LED chip being placed in the light source display hole; the upper cover comprising an upper cover base, the upper cover base being provided with a shielding portion for shielding the light source display hole. A testing method for testing the light spot of a COB-LED light source, comprising a fixture selection step, a partitioning step, a testing step, and a calculation step. There is no need to use a variety of instruments for testing, and the testing steps are simple.

The invention provides a power amplifier test device and method, the device comprises a single-chip microcomputer and a relay, the single-chip microcomputer is used for receiving and analyzing a test instruction sent by an external computer and sending a corresponding control signal to the relay based on an analysis result, and the relay is used for controlling a corresponding external power amplifier to enter a test mode based on the control signal. And controlling the power amplifier to enter the target short circuit test. According to the application, the single-chip microcomputer receives and analyzes the test instruction sent by the external computer, and sends the corresponding control signal to the relay based on the analysis result, and the relay controls the corresponding external power amplifier to enter the test mode based on the control signal and controls the power amplifier to enter the target short-circuit test, so that the test does not depend on manual work any more; the test steps are simplified, the test efficiency is improved, the influence on the accuracy of the test result is reduced, meanwhile, long-time uninterrupted test can be coped, and the test range is widened.

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 relates to a method for testing energy feedback performance of a microporous material. The method comprises the following steps: S1, obtaining a sample from a sole of a test shoe; s2, peeling the sample, wherein the thickness of the peeled sample is 25 + / -1mm; s3, fixing the sample on a test instrument, and positioning a test part of the sample; starting the test instrument, enabling the impact device to freely fall from a set height to impact the sample, and circulating N times, N being a positive integer; the test instrument records an energy absorption curve and an energy release curve of the sample in each impact process; s4, calculating an energy value UM applied by the impact device according to the energy absorption curve of the sample, calculating an energy value UF returned by the sample according to the energy release curve of the sample, and calculating an energy feedback ratio HER of the sample, HER = UF / UM * 100%. According to the method, the calculation mode of the material energy feedback ratio (HER) is quantified, the measurement result is reliable, and the test steps are simple.