83 results about "Test figure" patented technology

In accordance with certain disclosed embodiments of the present invention, there is provided a method of analyzing assay test results for determining whether a fluid under test contains a certain substance. The disclosed method includes detecting the certain substance in the fluid under test received on a test strip, and generating an electrical signal indicative of the amount of the substance detected. The disclosed method further includes responding to the signal, and determining whether or not the fluid under test contains a predetermined quantity of the certain substance to generate an electric output signal. The method disclosed also includes responding to the output signal to indicate the presence or absence of a predetermined quantity of the certain substance contained within the fluid under test. The disclosed method includes delaying in the detecting until after a predetermined time delay interval, and storing the detected information at the completion of the time delay interval. The stored information is compared with stored threshold electric signals to determine whether or not the fluid under test contains a predetermined quantity of the certain substance.

The present invention discloses a test device for simulation of near-fault seismic oscillation initiated by reverse fault strike-slip movement. The device comprises a cube structure test box body with an opening at the upper surface, and a movable baffle plate is arranged at the lower portion of the surface of one side of the test box body; the upper portion of the movable baffle plate is provided with an embedded plate extended into the test box body, and the movable baffle plate can slide along the embedded plate and the lower surface of the test box body; the test box body is internally provided with a simulation fault communicating the upper surface and the lower surface; a simulation tunnel passing through the simulation fault is arranged at the upper portion of the internal portion of the test box body; an upper disc is arranged between one side, close to the movable baffle plate, of the simulation fault and the inner surface of the test box body, and a lower disc is arranged between one side, far away from the movable baffle plate, of the simulation fault and the inner surface of the test box body; and a plurality of serial pressure-sensitive micro-explosion devices are arranged at the lower portion of the simulation tunnel in the simulation fault. The test device for simulation of near-fault seismic oscillation initiated by reverse fault strike-slip movement can really simulate the seismogenic mechanism of the near-fault seismic oscillation under the effect of the simulation reverse fault strike-slip effect, the test result is accurate, and the cost is low.

The invention discloses a concrete crushing strength automatic testing method and system. The method comprises the steps of 1, inputting the information of concrete test blocks into a computer and synchronizing the information to a central control system, wherein a management code is generated for each concrete test block by the central control system; 2, conveying the concrete test blocks to enable the concrete test blocks to pass through the scanning management codes; 3, conveying the concrete test blocks reaching the predetermined age to a test platform; 4, conducting pressure testing on the concrete test blocks, acquiring test data, obtaining a test result through calculation, and outputting the test result. By the adoption of the method and system, high automation degree can be realized, automatic conveyance and testing are decided and started through a computer, unattended testing is achieved, labor intensity is relieved, and working efficiency is improved; the accuracy of test data can be guaranteed, and the reliability of tested sample data can be guaranteed; automatic testing is conducted through the central control system according to acquired sample information, no time limitation exists, and testing can be conducted at any time as long as relevant parameters are well set.

The invention relates to a method for analyzing the coefficient of variation of the bearing capacity of concrete members based on statistical experimental data, belonging to the technical field of structural reliability analysis. The method comprises the following steps of: establishing and forming a physical model, comprising the design formula N (X) of the bearing capacity of the normalized member; setting the basic formula Nmod (X); setting up physical model Nphy; determining the uncertainty coefficient of variation delt un, N of bearing capacity, using the physical model of bearing capacity Nphy to analyze the test result Ntest of batch member bearing capacity, using the sample mean value mzeta of Ntest and Nphy ratio zeta, wherein N measures the coincidence degree between them; amongthem, the adjustment target of each coefficient in Nphy makes mzeta approach to 1.0 from the direction bigger than 1.0, and the sample standard deviation S zeta N gets a smaller value. The method caneffectively reduce the uncertainty factors of the model in the coefficient of variation of bearing capacity, and can make up for the shortcomings of using only partial coefficient of material performance. It has good application and guidance functions.

The invention discloses a two-box movable type cold and hot impact testing machine, which belongs to the technical field of impact testing machines, and is characterized in that the two-box movable type cold and hot impact testing machine comprises a testing machine box, the inner wall of the testing machine box is slidably connected with a testing basket, the top of the testing basket is providedwith a steel wire rope, and the inner wall of the testing machine box is provided with a high-temperature chamber and a low-temperature chamber; a through plate is fixedly connected to the inner wallof the testing machine box, an opening matched with the test basket is formed in the top of the through plate, and the size of the high-temperature chamber is the same as that of the low-temperaturechamber, a valve groove is formed, and when the test basket continuously moves upwards into the high-temperature chamber from the interior of the low-temperature chamber under the action of an electric air cylinder, the air plug arranged on the surface of the steel wire rope in a sleeving mode makes contact with the valve groove and is clamped into the valve groove, and the sealing effect of the valve groove is achieved through the two backing rings arranged on the surface of the air plug. The influence of poor chamber sealing effect on the test result when the test basket moves up and down isavoided.

The invention discloses a radar product reliability test method comprising the following steps: a test system composition determination step: carrying out characteristic analysis on a radar product, and determining the composition of a reliability test system; an overall test scheme determining step: determining a reliability test scheme; determining the test time of the reliability test accordingto the test scheme; determining a test profile of the reliability test; determining detection opportunities and detection items of functions and performances of the radar product; determining a faultcriterion of the radar product; a reliability test implementation step: performing a reliability test according to the determined test time and test profile, detecting the functions and performance of the radar product at the determined detection time, and continuously launching the radar product for a specified time after the detection is completed at each detection time; and a test result analysis step of performing reception or rejection judgment on the radar product according to the fault criterion of the radar product. According to the invention, the radar product can be assessed according to the full working state in the reliability test.

The invention discloses an impact load simulation system for a drop-type impact test, relates to the technical field of computer aided design and device drop-type impact tests, and aims at solving theproblems of high cost and poor accuracy of drop-type impact test simulation in the prior art. Model verification is carried out on an established simulation model. A certain simulation method is adopted to perform numerical expression on an input load of the impact machine, the impact load and a simulation model are subjected to impact response calculation together and are compared with a test result, and the simulation model is corrected to correspond to the test result, so that impact resistance response calculation is performed in a design stage, and the calculation accuracy is improved; the basis is provided for impact resistance design of the gear box to satisfy design economy requirements of the gear box, simulation is carried out, the cost is low, the accuracy is high, and accuracyis improved by more than one time compared with a general simulation method.

The invention relates to a method for measuring a depth of a roller body hardening layer. The method comprises the following steps of: 1) selecting a test roller; 2) processing a temperature measurement hole; 3) burying a thermocouple; 4) acquiring temperature; and 5) analyzing a test result. The method has the characteristics that the test data is detailed, the test period is short, the process time of a test is 4-5 hours or so, the test cost is low, a test material and equipment can be reused, the credibility of the test result is high and the like.

The invention discloses an integrated circuit thermal vacuum test system, which is characterized in that an operation acquisition module is used for acquiring data information of an integrated circuit and operation information of a vacuum test, and a data processing module is used for receiving the data information and the operation information and processing the data information and the operation information to obtain data processing information and operation processing information; a data analysis module receives the data processing information and the operation processing information and performs calculation to obtain a number base value, an operation base value and a test coefficient, and the test coefficient is analyzed to obtain a test result. the classification prompting module classifies and prompts the tested integrated circuit according to the test result; and according to all aspects disclosed by the invention, the problem that the accuracy of the test result of the integrated circuit is influenced because the integrated circuit in the whole temperature cycle process cannot be integrally analyzed and classified in the existing scheme is solved.

The invention discloses a semi-quantitative assessment test and data processing method for storage life in a condition with single temperature. As known in a storage life assessment test result of a material which is similar to an object to be assessed, an aging characteristic index of the object to be assessed is identical to the index of the reference object; test condition, data processing parameters and assessment results of the reference object are used as references of the object to be assessed; a second high test temperature condition of the reference object is used as the temperature condition of the object to be assessed for developing a heating aging test; data processing is carried out referring to data process parameter of the reference object, reaction rate constants of the object to be assessed and the reference object at the same temperature condition are compared, and whether the storage life of the object to be assessed is longer, shorter or similar to the storage life of the reference object is given by a semi-quantitative assessment. The experiment data size is small, the period is short, and the storage life assessment test can be rapidly and efficiently developed.

The invention relates to miniature circuit breaker reliability test equipment which comprises a computer control cabinet, a data acquisition system, a test load adjustment impedance cabinet and a test port cabinet. The computer control cabinet is connected to the data acquisition system, the test load adjustment impedance cabinet and the test port cabinet. The computer control cabinet inputs a control power supply, and the test load adjustment impedance cabinet inputs a test power supply. Through the above, according to the miniature circuit breaker reliability test equipment, the all reliability tests of a miniature circuit breaker can be automatically completed, the accuracy and repeatability of a test result are ensured, the equipment is controlled by a computer, the operation is simple, the degree of automation is high, the equipment can be widely applied to electrical life, mechanical life and overload reliability test of various miniature circuit breakers, the automatic recording of test data and the automatic recording of fault data are realized, a test sample quits a test when the test sample is invalid or failed, and the test of other test samples is not affected.

The invention provides a disintegration-resistant test box capable of setting multiple circulations and a test method. The disintegration-resistant test box comprises a box body, a screen drum and a water tank, the screen drum and the water tank are both arranged in the box body; a weighing device and a drain pipe are arranged below the water tank, the screen drum is a hollow cylindrical drum body, screen holes are fully distributed in the screen drum, a rotating shaft is arranged on the axis of the screen drum, one end part of the rotating shaft is connected with a driving motor, the drivingmotor is fixed on the inner wall of the box body, and an electric heating wire is wound on the rotating shaft. The disintegration-resistant test box has the beneficial effects that the disintegration-resistant test box can realize full-automatic operation of a disintegration-resistant test, less manpower is consumed in the disintegration-resistant test, the test cost is reduced, time and labor aresaved, and the operation is simple; in addition, in the test process of the disintegration-resistant test box, the sample does not need to be transferred, errors caused by breaking of the sample during transferring in the disintegration test are avoided, and the test result is more accurate and reliable.

The invention relates to the technical field of animal experiment equipment, in particular to an adjustable guinea pig application fixator based on 3D scanning printing. The workload of a tester can be reduced, the stability of fixing an application is improved, the harm to the hairs of a guinea pig is reduced, and the accuracy of a test result is improved. The fixator comprises a strap; front-end-adjustable snap fastener type fixing bands are fixedly arranged at the front portions of the left end and the right end of the strap; middle-adjustable snap fastener type fixing bands are fixedly arranged in the middles of the left end and the right end of the strap; rear-end-adjustable snap fastener type fixing bands are fixedly arranged at the rear portions of the left end and the right end ofthe strap; and openings are formed in the middle of the strap.

The invention discloses a test box suitable for electronic products, which is used for solving the technical problems that the existing test box suitable for the electronic products only has circulating air in a single direction, so that part of types of electronic products cannot be blown by the air, and the test result is deviated. A first air duct is mounted on the outer side wall of the thirdside face of a box body; a circulating fan and a refrigerating and heating system are installed in the first air duct, a first air port and a second air port are formed in the positions, close to thefourth side face, of the first air duct and communicate with the interior of the box body, and a first rotating switch is arranged between the first air port and the second air port; a second air ductis installed at the position, close to the sixth side face, of the first side face, a third air port and a fourth air port are formed in the bottom of the second air duct and communicate with the interior of the box body, and a second rotating switch is arranged between the third air port and the fourth air port; the second air duct is provided with an air return port communicated with the firstair duct.

The invention discloses a multifunctional multi-axis tension-compression testing machine. The multifunctional multi-axis tension-compression testing machine comprises a test bed, a plurality of sliding blocks which are respectively and movably arranged on the test bed along different directions, and multiple sample chucks which comprise a plurality of stretching chucks and a plurality of compression chucks; the stretching chucks and the compression chucks are mounted on the sliding blocks in a replaceable manner; when each sliding block is replaced with the corresponding stretching chuck, eachstretching chuck is suitable for clamping one part of a to-be-tested sample, and when each sliding block is replaced with the corresponding compression chuck, each compression chuck is suitable for extruding one part of the to-be-tested sample; the multifunctional multi-axis tension-compression testing machine further comprises a driving device which is in transmission connection with the multiple sliding blocks so as to drive the multiple sliding blocks to move. According to the embodiment of the invention, the multifunctional multi-axis tension-compression testing machine can carry out multi-axis tension and multi-axis compression tests, and has the advantages of accurate and reliable test result and the like.

The invention discloses a concrete test system and method, a computer device and a storage medium. A test terminal in the concrete test system is used for receiving a test delegation list, obtaining test data of concrete, generating a test report, and determining whether the test report belongs to a qualified report or an unqualified report. A test platform is used for acquiring the test data and the test reports, and when the test reports belonging to the unqualified reports are received, alarm information is sent out. Test data and test reports can be obtained through a concrete testing machine at a laboratory end, an alarm message or an ingredient notice is sent to a worker at a construction site, and the worker pauses concrete production according to the alarm message or performs concrete production according to the ingredient notice, so that the degree of manual participation is reduced, the efficiency can be improved, the error rate is reduced, the time difference from test starting to final application of test results is shortened, and development of construction engineering is facilitated. The system, the method, the computer device and the storage medium are widely applied to the technical field of construction engineering informatization.

The invention discloses a VR-based tunnel evacuation and escape test method and system. The method comprises the steps: building a test tunnel model, selecting an accident condition scene, superposingthe accident condition scene to a virtual environment to complete the test setting, giving test participants the feeling of being located in an extreme scene, and improving the authenticity of test data; escape time information, real-time position coordinate information and escape speed information of testers of different escape tests during escape in an accident condition virtual scene are collected; acquiring an evacuation escape track of an escape tester; by analyzing escape response time, escape speed, escape path selection and evacuation and escape effectiveness among different testers and analyzing test results of different scenes. The completeness of influence factors in the test process can be verified. The data support is provided for perfection of the test scenes, and the data support is provided for formulation of evacuation and escape strategies.

The invention discloses a method for detecting the wind tunnel test parameters of wiper products. Aiming at the special test requirements of the wind tunnel test, the circuit loop design is added on the basis of the existing detection, and the detection data of different loops are collected by PLC programming, and through the conversion The device restores the real-time pulses of different parameters into data and presents them on the display screen, and draws a curve while recording the real-time data. The curve records all the data from the beginning to the end of the test and displays the relationship between the parameters on the same screen for testing. Results evaluation and problem analysis. The invention can detect the real-time data and changing curves of various parameters of the motor under the conditions of different wind speeds, different water spray volumes, different speeds and different working hours, and save the test data; at the same time, it can be applied to general test items , because the general test items do not have as many performance parameters as the wind tunnel test requires, when using the present invention, only some of the functions may be required to meet the requirements.

The embodiment of the invention provides a data processing method and device, computing equipment and test simplification equipment, and the data processing method comprises the steps: responding to a parameter optimization request, and determining a target function corresponding to the parameter optimization request; calling a test simplification module to judge whether the parameter test meets simplification conditions or not in the process of performing the parameter test on any candidate parameter by the target function, and obtaining a judgment result; if the judgment result is that the parameter test meets the simplification condition, stopping the parameter test of the candidate parameters; and if the judgment result is that the parameter test does not meet the simplification condition, continuing to execute the parameter test of the candidate parameters to obtain a test result of the candidate parameters. According to the embodiment of the invention, the parameter test efficiency is improved.

The invention discloses a test device for an automobile brake system. The invention belongs to the technical field of test devices. The test device comprises a test bench body, a control system, a measuring system and a driving system. Hardware of the control system, hardware of the measuring system and hardware of the driving system are all assembled on the test bench body. A tester inputs a testprogram designed as required into the control system through an upper computer and a brake plate is pressed down to provide a test input; the control system sends a control instruction to the drivingsystem according to a program, collects and processes actual measurement data from the measuring system, and then generates a test curve according to a processed test result and feeds back the test curve to the tester. The movable design is adopted, and arrangement is convenient; the installation space of the brake is large, and the measurement requirements of most passenger vehicle brake systemscan be met; the arrangement form of the pipelines and the on-off of each pipeline can be changed by utilizing the electromagnetic valves, and various actual working conditions can be simulated.

The invention relates to a test device for a compression test of a thermoplastic composite sheet after impact. The test device comprises two test piece clamping parts which are separated up and down,are symmetrically arranged and have the same structure, wherein each test piece clamping part comprises a base (2), and a connecting piece (1) and a baffle part which are respectively arranged at thetwo ends of the base (2), the baffle part clamps a thermoplastic composite material test piece, and the connecting pieces (1) of the two test piece clamping parts are connected with a universal testing machine in the form of a top connecting piece and a bottom connecting piece during actual operation. Compared with the prior art, the test device has the advantages of preventing the test piece frombuckling during compression, ensuring that a damage area left after the test piece is impacted is not changed, reducing the influence of the buckling-restrained plate on a test result, reducing the test cost and the like.

The invention provides a digital-display type pavement material strength instrument. The strength instrument comprises a case, and a support is arranged on the upper end face of the case, a force measuring ring is arranged on the support; a force sensor and a penetration rod are arranged on the force measuring ring, and a contact sensor and a displacement sensor are arranged on the penetration rod; a lifting table is arranged at the top of the case, and a test cylinder is arranged on the lifting table, wherein the position of the test cylinder corresponds to the position of the injection rod.According to the invention, the displacement sensor is used for replacing a dial indicator, and a digital display system is used for automatically recording readings to replace naked eye readings, sothe test data can be exported after the test is completed; one person can independently complete the operation, so a large amount of time and manpower are saved, and the test result is more accurate;the contact sensor replaces traditional naked eyes to observe the contact condition of the penetration rod and the surface of the soil sample, and the test result error is smaller, more accurate and more reliable.

The invention discloses a power cycle acceleration test device of an MMC sub-module and a control method thereof, comprising a tested unit, an accompanying test unit, a reactance unit, a first detection unit, a second detection unit, a signal generating unit and a comparison unit; the tested unit The two ends of the accompanying test unit are electrically connected in parallel; the first end of the reactance unit is connected to the first end of the tested unit, and the second end of the reactance unit is connected to the first end of the accompanying test unit; the first detection unit, the second The detection unit is electrically connected to the tested unit; the first end of the signal generating unit is connected to the second end of the tested unit, and the second end of the signal generating unit is connected to the first end of the comparison unit; the second end of the comparison unit is connected to the reactance The third terminal of the unit is connected, and the third terminal of the comparison unit is connected to the second terminal of the accompanying test unit. The above structure can effectively solve the problem that the existing technology only tests and researches on a single IGBT, which leads to the inability to obtain sub-modules in accordance with actual working conditions. Problems with consistent test results for aging characteristics.

The invention belongs to the technical field of product quality inspection, and discloses a grouping inspection scheme determination system and method for exponential life type products, and the method comprises the steps: a parameter initialization module obtains a producer risk threshold, a good product average life, a user risk threshold, a poor product average life and the test plan time consumption of each group; the sample number calculation module calculates the total number and the receiving number of the samples based on the initialized parameters; the grouping test module is used for performing inspection tests on the first group of samples and the second group of samples respectively; the result output module determines a total test result of the product based on the inspection test results of the first group of samples and the second group of samples. According to the method, matching product state on-line monitoring equipment is not needed, related test hardware conditions are reduced, the uncertainty of test completion time is eliminated, the test can be completed on time within the planned time, and the risk of a producer and the risk of a user can be controlled within a threshold range like a test method of a related standard.

The invention relates to a compressive strength test device, and discloses an unconfined compressive strength test sample positioning system. The system comprises a base (1), a pressing rod (2), a sample position detection device and a controller (6); the pressing rod (2) and the base (1) are arranged opposite to each other, and the pressing rod (2) can move towards the base (1) so as to apply pressure to a test sample (4) between the base (1) and the pressing rod (2) and detect a pressure value; the sample position detection device is arranged at the periphery of the pressing rod (2) so as todetect the relative positions of the sample (4) and the pressing rod (2); and the controller (6) is electrically connected with the sample position detection device so as to process and output the position information of the sample (4). The positioning system is accurate in positioning, accurate in test result and high in repeatability.

The invention relates to the technical field of analysis and measurement control, and discloses a test control method and system with a guide function, and a storage medium. The method comprises the following steps: displaying at least one configured test method; determining a test method selected by a current user; prompting sample installation; according to the selected test method and the corresponding bootstrap program, guiding the current user to complete preset operation including test condition setting operation, test parameter setting operation, test result setting operation and test report setting operation; executing the test operation according to the setting information of the preset operation. The device has a guide function, a linear operation process and a one-way display style which are particularly suitable for a teaching scene are realized; a user does not need to have deep analysis and measurement control experience and application experience of related software in the same field, the whole teaching test can still be completed step by step according to the guide function of the application program, the learning cost of the user is greatly reduced, and the teaching efficiency is improved.