767 results about "Rapid testing" patented technology

The invention relates to a device and a method for testing the LED light source intensity space distribution characteristic. The device comprises a base, a testing sample seat, a light intensity detecting unit, a detector bracket, a testing circuit, a computer and testing software. A multi-path synchronous testing method of a plurality of light intensity detecting units is adopted to replace one light intensity detector to sequentially test a plurality of points so as to realize the quick testing of the LED light source intensity space distribution characteristic. Compared with a conventional light distribution curve measuring method adopting one light intensity detector, if N light intensity detectors are used, the testing speed can be improved by more than N times. The device has the advantages of high testing speed and precision, abundant information content and real time and visualization.

The invention discloses a method and system for testing and calibration of a range extender bench of an electric automobile. The method comprises the steps that M electricity generation rotation speeds and N electricity generation torque values are acquired to constitute M*N rotation speed-torque operating points; a range extender is controlled to carry out electricity generation operation according to an electricity generation rotation speed and an electricity generation torque value corresponding to each rotation speed-torque operating point, and operating parameters of the range extender at each rotation speed-torque operating point are obtained after a first preset time of the electricity generation operation; and according to the operating parameters of the range extender at each rotation speed-torque operating point, the range extender is calibrated, so that a range-extending electricity generation work curve of the range extender can be obtained. In this way, the rapid testing and the automatic calibration of the range extender bench can be implemented; efficiency for the testing and the calibration can be effectively increased; and the testing cost can be reduced.

The invention relates to an in-use lubricating oil quality rapid testing method which comprises the following steps that: (1) a representative lubricating oil sample is collected as a training set; (2) the infrared spectrum of the training set lubricating oil sample is determined, corresponding pre-treatment is carried out, and the spectrum data after pre-treatment serves as a variable; (3) through a multivariate calibration method, the relationship model between the in-use lubricating oil quality index and the spectrum is built; and (4) for the quality testing of the lubricating oil sample to be tested, first the infrared spectrum is determined, and then pre-treatment which is the same with that of Step (2) is carried out, and the lubricating oil quality index is determined through the lubricating oil quality analysis model built in Step (3). The method of the invention can rapidly determine 7 quality indexes, i.e. the in-use lubricating oil water content, TAN, TBN, 40DEG C viscosity, 100DEG C viscosity, the flash point, the pour point and the like, and the lubricating oil quality is monitored. The in-use lubricating oil quality rapid testing method has high analysis speed, is convenient to operate, and greatly improves the lubricating oil quality monitoring capability.

Methods and associated apparatus for testing an electrochemical device, such as a fuel cell. A first method involves charging the fuel cell during a charge period; discharging the fuel cell during a discharge period; and monitoring the response of the fuel cell during at least part of the discharge period or the open-circuit response of the fuel cell. Another method involves testing the fuel cell when the fuel cell is in a passive state in which substantially no electrochemical reactions are taking place in the fuel cell. simultaneously applying a stimulus to all of the devices, and independently monitoring the response of each of the devices to the stimulus. Further methods involve obtaining test data from a device being tested; obtaining equivalent circuit values; calculating sets of simulation data for each equivalent circuit value; comparing sets of simulation data with the test data; and selecting one of the equivalent circuit values based on the comparison. This method allows all circuit parameters of each cell in a stack to be obtained from only one quick test.

The present invention discloses a compound protective solute which is formed by the dissolution of glucide, high molecular polymer, protein and antiseptic in the buffer solution. The densities of glucide, high molecular polymer, protein and antiseptic are 1-20g/100mL, 0.05-2.0g/100mL, 0.1-2g/mL and 0.005-0.1g/mL respectively. The compound protective solute of the present invention is used to protect the chloromycetin rapid testing gold-labeled test strip; and can prolong the retention period of the test strip under zero to four DEG C by at least two years.

The invention relates to test paper for rapidly testing the nitrite content in food and a preparation method thereof, which belongs to the field of chemical testing. The test paper for rapidly testing the nitrite content in food comprises a test base plate and a test paper. The testing principle is as follows: after the nitrite in food and sulfonic acid diazotizing reagent are diazotized under acidic conditions, then the nitrite is coupled with hydrochloric acid naphthyl ethylenediamine, and then mauve compound is generated. The test paper is used for the rapid testing for the nitrite content in food, the method has the advantages of fleetness, sensitiveness, simple operation and low cost, the operation by professional is not required, the test paper is convenient for the user to be used at home without any help, and can also be applied to rapid testing demand of the industry and commerce, food safety and market.

The invention discloses a multi-operating condition extreme load testing system and a testing method for a wheel loader transmission system. The system mainly comprises a power loading module, a support module, a simulation road surface module, a traction module and a data acquiring and recording module, wherein technical means such as active loading, road surface modulation and the like are adopted, so that the system can be suitable for different spading operating conditions, different road surfaces and loaders of different sizes, and rapid testing of the extreme load of the loader transmission system is realized by testing frictional drag applying on each tire; and according to the method, loads are actively applied to a loader and a bucket through a hydraulic cylinder and a traction module, so that the stress state of the bucket is the same as the stress state during practical operation, loading is flexible, various operating conditions of the loader can be simulated, and testing cost is lowered. Due to the adoption of the system and the method, the extreme loads on a single half shaft, a front transmission shaft, a back transmission shaft, a transmission case output shaft and the like in the transmission system in the operating process of a wheel loader can be obtained.

The invention discloses an interface testing method and system. The interface testing method comprises the steps of guiding in a testing interface; adding at least one testing case to the testing interface; setting a testing scene, wherein the testing scene comprises an execution sequence of the testing case and scene parameters; adding the testing case to at least one testing suite; operating the testing suite; according to an operation result of the testing suite, generating a report. According to the interface testing method and system, the defect that batch testing cannot be performed on interfaces rapidly in the prior art can be overcome, various interface technologies can be comprehensively supported, language, environment and other factors achieved by service interfaces are not limited, various kinds of interfaces are supported, and rapid testing on the interfaces for various different requirements can be achieved by arranging testing cases, testing scenes and testing suites.

A memory testing apparatus rapidly tests memory devices with a relatively small error catch memory. The memory testing apparatus provides an address compressing module that minimizes an amount of error catch memory necessary to test one or more memory devices. The memory testing apparatus further divides each of the memory devices into a plurality of areas, and tests each area sequentially until a bit failure is detected in the area thereby attenuating testing time.

The invention discloses a device and method for rapidly testing the comprehensive mechanical properties of an anchor bolt, which belong to the technical field of anchor bolt testing devices. The invention is designed for solving the technical problem of providing a device for rapidly testing the comprehensive mechanical properties of an anchor bolt, which can comprehensively and rapidly test the comprehensive properties of the anchor bolt. The invention adopts the following technical scheme: the device for rapidly testing the comprehensive mechanical properties of an anchor bolt comprises a rack, a universal centering device, an axial force loading device and a hydraulic rotating power device, wherein the universal centering device is arranged at one end of the rack, the axial force loading device is arranged in the middle of the rack, the hydraulic rotating power device is arranged at the other end of the rack, and the axle centers of the universal centering device, the axial force loading device and the hydraulic rotating power device are in one straight line. The device and method disclosed by the invention are widely applied to the testing of the comprehensive mechanical properties of anchor bolts.

The invention discloses SOC (system on a chip) chip and method for testing the same. The SOC chip comprises first IO MUXs, at least one result and state module and at least one second IO MUX, wherein the first IO MUXs are used for transmitting test data from an external test signal generator to a bus MUX, and the bus MUX selects and drives peripheral equipment or an accelerator to test; the result and state modules are used for receiving results of tests carried on the peripheral equipment and/or the accelerator and sending the test results to the corresponding second IO MUXs; and the second IO MUXs are used for sending the test results to an external test data analyzer so as to analyze the test results. The technical scheme solves the problem that the SOC chip cannot quickly test and improves the correct rate and the efficiency of the chip test so as to quickly select chips with sound functions.

A geology mechanics parameter speedy test method and the equipment of underground colliery: drill test hole at operating face; measure the design value of the surrounding rock by sight scope which has lateral direction device deep-lying sightglass; speedy measure the stress state of the rock by using the method of hydraulic pressure leading split; then put the sightglass into the test hole, measure the split curve and direction by using the directional device on it; measure the intensity of resistant to compression and modulus of elasticity in the test hole. The invention offers a new method and the sight scope has double functions which are screen and save the images of front and side drilling-hole.

The invention discloses an apparatus and method for testing contact resistance of a conductive slip ring automatically. A low-resistance tester is arranged outside the apparatus. The apparatus comprises a conductive slip ring, a plurality of relays, a relay drive circuit, an automatic control device, and a plurality of leads. The number N of the relays is twice the number M of channels of the conductive slip ring; the N relays are connected with all M channels of the conductive slip ring to form switching of 2N testing channels; each four adjacent relays complete switching of two four-wire measurement channels. The output terminal of the relay drive circuit is connected with the relays and the input terminal is connected with the automatic control device. According to the invention, with the simple relay switching circuit, rapid testing of contact resistances of multiple paths can be realized; and the individual test error can be eliminated.

The invention discloses a rapid correction method for the SOC (state of charge) estimation of an energy storage lithium ion battery system. The method is characterized by comprising the steps of performing rapid testing to obtain correction coefficients lambda1 and lambda2 of an SOC; correcting the SOC by introducing the correction coefficients lambda1 and lambda2. According to the method, the system is rapidly tested to obtain the correction coefficients for a current state of the system, and the coefficients are used for correcting the SOC, so that the method is pertinent, operable and practical, the SOC estimation accuracy and precision can be improved, and the using reliability and safety of the energy storage lithium ion battery system are improved.

A test paper for fast measuring out nitrate and nitrite is composed of colour display test paper soaked with mixture in the same volume of diazotization reagent and coupling reagent, and reaction test paper coated with nitrate reducer, the test paper can provide quick detection of nitrate and nitrite contained in food or vegetables.

The invention relates to rapid testing paper for testing hydrogen peroxide residue in foods, belonging to the food safety testing field. The rapid testing paper is composed of a paper base and a piece of color developing paper, and has simple structure and can be operated simply. A piece of 3mm chromatographic filter paper is used as a carrier, and the testing paper can rapidly realize semi-quantitative detection on the hydrogen peroxide residue within 3s; the optimal manufacturing process is selected, and the production period of the testing paper is shortened greatly; an enzymatic protective reagent is added to improve the stability and the storage life of the testing paper; the testing conclusion can be acquired by visual observation, no precious instruments are required for displaying, and a user can master without specialized training; and the price is low, the production cost is low, the testing paper is disposable and does not need to be maintained and overhauled, the precision is high, the repeatability is good, and the rapid testing paper is very suitable for supervision departments to rapidly detect and monitor in real time in field.

The invention discloses a rapid testing method for optical fiber gyroscope scale factor parameters. The testing method comprises the following steps: fixedly mounting an optical fiber gyroscope on a rotating table and rotating along with the rotating table in an identical sine angle velocity, acquiring to obtain output digital amount of the optical fiber gyroscope and the rotation sine angle velocity of the rotating table at different time points, performing linear least square method fitting, calculating to obtain the optical fiber gyroscope scale factor parameters, testing a plurality of sine angle velocity periods, averaging output digital amounts of the optical fiber gyroscope under the identical sine angle velocity in each sine angle velocity period so as to obtain an average output digital amount of the optical fiber gyroscope under the identical sine angle velocity, and further performing linear least square method fitting to calculate the optical fiber gyroscope scale factor parameters. The testing method is short in testing time, the optical fiber gyroscope scale factor parameters can be rapidly evaluated, the testing equipment is lowly required, no special rotating table adaptive interface line is needed, the testing system is simple and reliable and high in security coefficient, and rapid testing on the optical fiber gyroscope scale factor parameters is achieved.

The invention discloses a dynamic allocation method for on-line programming of an integrated circuit tester. A microprocessor directly acquires a command from a NorFlash and executes the command by setting a boot flash selection pin in a lower computer when a testing program error occurs, so as to wait for downloading of the testing program for integrated circuit testing. Under the normal conditions, the testing task can be conducted by directly copying data in a NandFlash to an external SDRAM (Synchronous Dynamic random access memory) and operating the data; and in the testing process, the microprocessor automatically stores the downloaded testing program into the NandFlash to overwrite the existing testing program if receiving the testing program transmitted from an upper computer, and then automatically reboots the testing program to conduct testing according to the new testing program. Therefore, dynamic testing environment allocation can be achieved rapidly according to the requirements of users without switching memories. Meanwhile, the lower computer of the integrated circuit tester can be operated independently from the upper computer so as to achieve rapid testing and dynamic allocation.

The invention discloses a system and a method which can rapidly test the characteristic impedance of a printed circuit board. The system comprises a test host, a probe, a PC machine, a printer and analysis software which is operated on the PC machine. The test host comprises a pulse generating circuit, a pulse receiving circuit, a coaxial switch, a signal acquisition module, a logic control module and a CPU processing module. The system adopts the intelligent and automatic design, a user can automatically test, display the result, and the like, by only carrying out the simple initialization settings through the combination with the test method, thereby simplifying the manual operation steps and reducing the operation difficulty. An output end in the system adopts the coaxial switch to carry out the switch, the differential impedance test can be realized by using the single step pulse transmission and a single receiving channel, thereby avoiding the error problem caused by adopting two step pulse generating circuits or two receiving channels which are not fully consistent, effectively improve the test precision and simultaneously reducing the probability of damaging the test host by the external static electricity.

The invention relates to a USB Type-C interface rapid testing system and method, that system at least includes: a type-C signal input interface; a Type-C protocol mast controller; a USB2.0 module; a USB3.0 module; a Display Port Module; an Electronic load. The host computer controls an MCU to send a test command to the Type-C protocol main controller to control signals switch to different functions, and then the corresponding function modules are controlled to access the circuits, so as to realize the control of the Type- C integrity test. The forward and reverse switching modules are used tosimulate Type-C interface forward and backward insertion, control each module test Type-C interface, and then switch the interface to the reverse insertion mode through the positive and negative switching module to retest. Only one plug-in is required to implement fast Type-C testing, the test efficiency is improved.

Provided herein are methods and devices for rapid testing of solid, semi-solid, or liquid specimens, such as stool, blood, urine, saliva, or swab specimens of the cervix, urethra, nostril, and throat, and for environmental testing.

The invention provides a spacecraft remote control rapid test verification system and method based on a Lua script. The system comprises a telemetry front end module, a remote control front end module, a data subscription module, a test console and a main test processor. The main test processor further comprises a dynamic instruction generation module, a telemetry distribution module and a remotecontrol distribution module. The telemetry front end module receives telemetry information transmitted by a satellite and sends the information into the telemetry distribution module. The telemetry distribution module processes the telemetry information from the data source code state to the data engineering value state, and sends the information to the data subscription module. The dynamic instruction generation module proposes a subscription request for distribution. The dynamic instruction generation module completes Lua script function registration according to an input design file and generates a Lua script file. The test console receives a remote control command, and transmits the remote command to generate required parameters for the dynamic instruction generation module. The Lua script file is explained and executed to generate an instruction binary code. The instruction binary code is sent to the remote control front end module through the remote control distribution module, and is finally delivered to the satellite.