30results about How to "Intuitive test method" patented technology

The invention discloses an air-supplementing pressurized-water control method for the phase modulation of a water-turbine generator set. An electromagnetic valve arranged on a pipeline and controlling convey of compressed air to a runner chamber in an air-supplementing pressurized-water control loop for the phase modulation of a water-turbine generator set is included; the method is mainly implemented through taking the active power consumed when the water-turbine generator set is subjected to phase modulation as a criterion of the blocking / deblocking of an air-supplementing pressurized-water electromagnetic valve for phase modulation, acquiring the analog quantity of an active transducer of the water-turbine generator set by using a PLC (programmable logic controller) of the water-turbine generator set, and realizing the control on the blocking / deblocking of the air-supplementing pressurized-water electromagnetic valve according to preset active power limiting values, wherein the PLC is provided with built-in related logic programs; and the preset active power limiting values are as follows: firstly, an active power limiting value P1 consumed by the water-turbine generator set when the water lever of the runner chamber of the water-turbine generator set is at the upper limit and an active power limiting value P2 consumed by the water-turbine generator set when the water lever of the runner chamber of the water-turbine generator set is at the lower limit are determined; when an active power limiting value P consumed by the water-turbine generator set is greater than P1, the air-supplementing pressurized-water electromagnetic valve is blocked; and when the active power limiting value P consumed by the water-turbine generator set is less than P2, the air-supplementing pressurized-water electromagnetic valve is deblocked.

The invention discloses a simulation test device for shutdown corrosion of thermal equipment. The simulation test device comprises an air dryer, an air humidifier, an air pump, a dosing tank, a boilermodel and a condenser model. The dryer and the humidifier are installed side by side at the inlet of the air pump. The relative humidity inside the test device can be controlled by adjusting a proportion of wet air to dry air. The air pump, the dosing tank, the boiler model, and the condenser model are sequentially connected in series by a pipe; ventilation of the dosing tank, the boiler model and the condenser model is realized by the air pump. A volatile vapor phase corrosion inhibitor is arranged in the dosing tank; the volatilized agent is transported to the inside of the boiler model byair carrying. According to the invention, the internal temperature and humidity environment and the water accumulation environment of the thermal system equipment after shutdown can be simulated; theresearch on the corrosion law of the thermal equipment shutdown is carried out; and thus the basis is provided for making the shutdown corrosion protection strategy.

This invention belongs to measurement technique and relates to one carbon fiber polyacryl-nitrile protofilament process oil agent concentration online test method, which is characterized by the following: it uses series oil agent work pool to feed materials tube or to exit pipe online reflection index meter for online test and comprises the steps as: getting oil agent concentration and reflection index or sugar degree standard curve; optimizing line equation; online testing.

The invention discloses a bamboo charcoal carburization degree testing device. The bamboo charcoal carburization degree testing device comprises a processor module, a carburization degree detecting circuit, a power circuit and an outputting circuit, wherein the carburization degree detecting circuit, the power circuit and the outputting circuit are respectively connected with the processor module; the carburization degree detecting circuit detects signals of bamboo charcoal to be tested and transmits the signals of the bamboo charcoal to be tested to the processor module to be sampled; the processor module controls an outputting result of the outputting circuit according to a processing result; and the power circuit is respectively connected with the carburization degree detecting circuit and the outputting circuit and respectively provides electric signals for the processor module, the carburization degree detecting circuit and the outputting circuit. By the bamboo charcoal carburization degree testing device, whether the bamboo charcoal is subjected to carburization treatment or not and the carburization degree of the bamboo charcoal can be tested visually. The bamboo charcoal carburization degree testing device is convenient to use.

The invention relates to a compressive strength test method for the surface strengthening layer and the substrate of an axial part. The method comprises the following steps: loading workpieces step by step to determine the pressure range for realizing damage on the workpieces, and then adopting a bisection approach method to precisely determine the pressure value for realizing damage. The method is simple, convenient and intuitive and has the advantages of strong operability reliable and accurate data and the like.

This invention relates to a exchange data test system and a method, in which, the system includes: a data test platform, an information interface, a protocol library, a call control script storage module, a user interface and a storage module for storing test result information, said method includes the following steps: A, a maintenance person sends data test order to a switch by a data test platform, B, the switch receives the test order sent by the test platform and sends starting up test response to the data test platform, C, the data test platform receives the confirmation response for starting up the test sent by the data test platform to structure the start up call information and sends it to the switch, D, the switch receives the information and interacts information with the data test platform, E, the maintenance person analyzes the information sent by the switch.

This invention belongs to measurement technique and relates to one carbon fiber polyacryl-nitrile protofilament process oil agent concentration online test method, which is characterized by the following: it uses series oil agent work pool to feed materials tube or to exit pipe online reflection index meter for online test and comprises the steps as: getting oil agent concentration and reflectionindex or sugar degree standard curve; optimizing line equation; online testing.

The invention relates to a detection method for the sulfur-fixing performance of a cathode material of a lithium-sulfur battery. The method adopts sulfur content testing equipment and a sulfur electrode shape change testing device to detect the dissolution and loss of elemental sulfur during battery operation. Put the positive electrode materials in different charging and discharging states during the cycle test into the sulfur content detection equipment to obtain the load of elemental sulfur in the positive electrode material in this state; at the same time, the electrode morphology testing device is used to detect the change of the electrode morphology, from the essence The sulfur fixation ability of the positive electrode material was obtained through the above characterization. The detection method can realize the in-situ characterization of the sulfur fixation ability of the cathode material, can accurately reflect the confinement effect of the material on the elemental sulfur, and has a simple, easy-to-control, and good repeatability testing process.

The invention relates to hydraulic turbine governor out-of-control signal diagnosis and control methods. The diagnosis method is mainly based on electrical feedback signals acquired by a measuring unit of a hydraulic turbine governor; when the governor receives a command for opening or closing a guide vane, a difference value exists between control output, namely a target value that the guide vane needs to reach, and actual guide vane opening, and the difference value is higher than a set dead zone value; on normal conditions, a main distributing valve of the governor is controlled by PID (proportion integration differentiation) computation of a PLC (programmable logic controller) to be opened towards a target direction by a certain opening, and the guide vane is controlled to move towards the target direction; then periodical scanning is performed through a PLC program to read whether the opening of the guide vane moves towards the target direction or not and judge whether a movement speed meets the requirement for governing computation on-off time or not, and if a change value, read within a certain delay time, of the guide vane opening does not reach a change rate towards the target direction, the governor is judged to be out of control, and safety of a generator set is protected.

The invention provides a high-performance stamp gum cleaning agent, which comprises the following components by weight: turpentine 20-40%, n-heptane 10%, absolute ethanol 10%, naphtha 15-60%, butyl acetate Acid cellulose solution 0~5%, mixed acid dimethyl ester 0~50%. The high-performance cleaning agent for stamp gum of the present invention adopts cellulose acetate butyrate as a film-forming substance, naphtha as a main solvent, absolute ethanol, n-heptane, and turpentine as an auxiliary solvent. The solvent with naphtha as the main component will quickly penetrate into the gap between the stamp and the envelope, and reach the glue film to separate the glue film from the back of the stamp. At this time, the glue film can be peeled off quickly; at the same time, the film-forming substance can also keep the stamp. Glossiness and saturation of pattern colors are not affected. The preparation method of the high-performance stamp back glue cleaning agent of the invention is simple and convenient to use.

The invention discloses an online detection method of carbon corrosion condition in proton exchange membrane fuel cell membrane electrode (MEA). The method tests the carbon corrosion condition of MEA in actual running process using Cox reformer and gad detection equipment. Tail gas of anode outlet or tail gas of cathode outlet of a fuel cell in normal running is fed into the Cox reformer through a gas controller; the tail gas converted by the reformer is fed into the gas detection equipment to obtain the condition of carbon corrosion. The test method comprises a tail gas controller, a gas reformer, catalyst, a temperature controller, a sampling system, the gas detection equipment and a gas pipeline. Through the detection method, the concentration of carbon corrosion product in MEA can be automatically detected on line, and the corrosion condition of carbon accurately can be reflected in time; and furthermore, the detection method is featured by simple test process, easy control and good repeatability.

The invention relates to a keypad testing device and a testing method. The test device comprises a storage device, an obtaining device, a display device and a processing device, wherein the storage device stores standard pictures; the processing device is respectively connected with the storage device and the display device; obtains standard pictures from the storage device, wherein each standard picture includes a plurality of mapping areas, each mapping area corresponding to a key to be tested has an initial color and a test color; the obtaining device obtains action signals of the key to be tested, the processing device is further connected with the obtaining device to process the action signals and identify the corresponding key to be tested, the display device is connected with the processing device, displays the standard pictures and the initial color sent by the processing device, and changing the initial color of the mapping area corresponding to the key to be tested to the test color when the key to be tested corresponding to the action signals is identified. The technical scheme provided in the embodiment makes the test direct and more efficient.

The invention relates to a compressive strength test method for the surface strengthening layer and the substrate of an axial part. The method comprises the following steps: loading workpieces step by step to determine the pressure range for realizing damage on the workpieces, and then adopting a bisection approach method to precisely determine the pressure value for realizing damage. The method is simple, convenient and intuitive and has the advantages of strong operability reliable and accurate data and the like.

The invention relates to a device and a method for testing time delay of an aircraft simulator system, and belongs to the technical field of computer distributed simulation application. The invention discloses a device and a method for testing time delay of an aircraft simulator system. The device comprises a high-speed oscilloscope and a photosensitive sensor. The photosensitive sensor is used for converting an image brightness change signal of the visual system into a voltage change signal; the high-speed oscilloscope is used for receiving cabin control signals and photosensitive sensor signals, and the cabin control signals and the photosensitive sensor signals belong to different channels; wherein the cabin control signal is an electric signal converted from a control instruction of a cabin control device acquired by a digital quantity and / or analog quantity acquisition module. The method has the following advantages: 1, the transmission delay of the aircraft simulator system is detected by using the high-speed oscilloscope, so that relatively accurate delay time can be obtained; and 2, the test method is rapid and visual, and has relatively high reliability and relatively strong universality.

The invention provides a method for testing correctness of device model simulation results. The method comprises the following steps of: generating a circuit simulation netlist on the basis of a device model and a test demand; respectively carrying out simulation by adoption of comparative simulation software and to-be-tested simulation software on the basis of the circuit simulation netlist; and generating a simulation test result on the basis of the simulation result. The method for testing correctness of device model simulation results is an efficient and visual test method; according to the method, a most basic device model building circuit is simulated; and the method is compared with a gold analysis tool to generate a result report which is easy to check, so that simulation software engineers are helped to rapidly and conveniently check the result of supporting the device model by the simulation software so as to save the debugging cost, and circuit design engineers of design companies are helped to rapidly assess whether the support, for the device model, of new simulation software is consistent with the support, for the device model, of the existing simulation software or not so as to save the assessment cost.

The invention discloses a structure for testing the stress gradient of an MEMS micro beam with a detection hole, and a measurement method. The structure comprises a substrate, two long anchor regions, and six tested cantilever beams with detection holes. The two long anchor regions are fixed on the upper surface of the substrate. One end of each tested cantilever beam is fixed on a side surface of the corresponding long anchor region, and the other end of each tested cantilever beam is provided with a square through hole in an etching manner, wherein the square through holes serve as the detection holes, and side wall of the detection holes are perpendicular to the surface. Each three tested cantilever beams serve as a group, and each group of tested cantilever beams are fixed in the corresponding long anchor region. The suspension ends of the two groups of tested cantilever beams are opposite to each other, and are oppositely arranged in a completely symmetric manner. When the tested cantilever beams are bent upwards or downwards because of the stress gradient, the side walls of the detection holes will be inclined accordingly. The mechanism can judge the bending condition of the tested cantilever beams according to the observed projection area of the front or rear side walls on a horizontal plane. The method can reduce the requirements for observation equipment, and is visual and convenient.

This invention relates to a exchange data test system and a method, in which, the system includes: a data test platform, an information interface, a protocol library, a call control script storage module, a user interface and a storage module for storing test result information, said method includes the following steps: A, a maintenance person sends data test order to a switch by a data test platform, B, the switch receives the test order sent by the test platform and sends starting up test response to the data test platform, C, the data test platform receives the confirmation response for starting up the test sent by the data test platform to structure the start up call information and sends it to the switch, D, the switch receives the information and interacts information with the data test platform, E, the maintenance person analyzes the information sent by the switch.

The invention discloses a method for testing the grade of adhesive residue of a pressure-sensitive adhesive product. The test method comprises the following steps: (1) selecting a test board, namely utilizing one of a metal plate, a metal sheet, a plastic board and a plastic plate as the test board; (2) setting parameters of the test board, wherein the surface tension of the test board is 32-50mN / m, the size of the test board is greater than or equal to 150mm*35mm, and the thickness of the test board is greater than or equal to 50 microns; (3) manufacturing an assembly, namely adhering a to-be-tested pressure-sensitive adhesive test piece onto the test board so as to form the assembly; (4) processing the assembly, namely respectively placing the assembly in a thermo-hygrostat which has temperature higher than 30 DEG C and humidity higher than 60% or a thermostat at a temperature lower than 30 DEG C; and (5) performing a stripping test, namely stripping the test piece in the assembly treated in the step (4) from the test board. The test method disclosed by the invention can be used for determining the grade of adhesive residues of the pressure-sensitive adhesive, thus determining the viscous force of the pressure-sensitive adhesive product and the adhesion quality of the pressure-sensitive adhesive product and an adhered object.

The invention relates to a tracer chain detection device for tracking the flowing track and speed of a bulk material. The device is characterized by comprising a vertical bulk material device for loading a bulk material, a tracer chain transmission system for tracking the flowing of the bulk material, and a tracer chain detection system, wherein the vertical bulk material device comprises a stock bin, a distributing mechanism and a discharging hopper, the distributing mechanism is arranged at the top of the stock bin, the discharging hopper is arranged at the lower end of the stock bin, the bulk material is distributed by the distributing mechanism to enter the stock bin and then discharged by the discharging hopper from the bottom of the stock bin, in the tracer chain transmission system, a front-end tracer and a tail-end marker are connected through a pulley block and a lifting rope, the front-end tracer is arranged in a stock bin, the tail-end marker is arranged outside the stock bin, the motion direction of a tail end marker in the tracer chain transmission system is changed through a pulley block, and the motion change of the tail end marker forms real-time flow parameters, and the real-time flow parameters are transmitted to a flow field calculation unit through an information transmission unit for measurement and calculation of a flow track, speed distribution, residence time and a moving distance.