135results about How to "The test process is fast" patented technology

The invention relates to a device and a method for measurement, in particular to the method for calculating the mechanical properties of a series of rock sample materials by recording relationships between testing forces/loads and indentation depths/displacements at different moments. The device comprises a rack, a DC motor, displacement measurers, a rigid flat-bottom pressure head and a sample fixing station, wherein the rack is divided into two layers; the upper layer of the rack is provided with the DC motor of which one end is connected with the rigid flat-bottom pressure head; the displacement measurers are distributed about the rigid flat-bottom pressure head; and the sample fixing station is fixed on a base of the lower layer of the rack. The reliability and effectiveness of the method can be evaluated by comparing basic rock mechanical property measurement results with those obtained by other conventional testing means. In addition, compared with conventional mechanical test methods such as single-pressing tests, single-pulling tests, triaxial compression tests and the like in laboratories, the method has the advantages of short test process, simplicity and convenience of operation, low requirements on samples, economy and the like.

The invention, which belongs to the field of error compensation of a numerically-controlled machine tool, provides a modeling and compensation method of a radial thermal drift error of a spindle of ahorizontal numerically-controlled machine tool. Two thermal drift errors along the radial direction of a spindle of a umerically-controlled machine tool and corresponding key point temperatures are tested; on the basis of a thermal tilt deformation mechanism of the spindle, a thermal inclination angle of the spindle is obtained and the correlation between the thermal inclination angle and the temperature difference between the left side and the right side of a spindle box is analyzed; according to the positive or negative situation of the thermal drift errors of the tested two points and stretching or contraction situations of the left side and right side of the spindle box, a thermal deformation situation of the spindle is classified and thermal drift error models under various thermal deformation attitudes are established; the influence on the model prediction result by the structural dimension of the machine tool is analyzed; and during real-time compensation, the thermal deformation attitude of the spindle is automatically determined based on the temperatures of the key points and the spindle is compensated by selecting a corresponding thermal drift error model automatically. Therefore, the determination of the thermal deformation attitude of the spindle of the numerically-controlled machine tool is realized during the processing process; and on the basis of the thermal deformation mechanism, the radial thermal drift error of the spindle is predicted.

The invention discloses a method for real-time detecting component content of mixed gas with thermal conductivity detector, and a device thereof. The computer data acquisition system of the device is connected with the signal output end of the thermal conductivity detector; one of the gas cylinders, one of the pressure regulating valves, and one of the mass flow controllers are orderly connected with the thermal conductivity detector; and a sampling probe is connected with the to-be-detected gas inlet of the thermal conductivity detector through a pipeline. The method comprises the following steps: firstly, scaling the gas content and voltage output value of the TCD detecting system before detection; secondly, introducing the to-be-detected gas into the sampling system through the sampling probe during detection; thirdly obtaining the content of a certain component of the to-be-detected mixed gas by referring to the concentration relation between the voltage and the concentration of the certain component in the mixed gas generated during the scaling step. The invention is an effective method for detecting the concentration variation of a certain component within the mixed gas with fast detection, simple and convenient operation, accurate analysis result, wide application range and good stability.

The invention relates to a partial discharge test device for a high-voltage cable insulation middle joint and a use method. The partial discharge test device is characterized in that each cross bonding link box and two connecting points connected with the same insulation middle joint are respectively connected with one end of a cable, and the middle of the cable is wound into a plurality of turns of coils; and a high frequency current sensor is reeved through the coils, and the output end of the high frequency current sensor is connected with a partial discharge measurement device. According to the partial discharge test device provided by the invention, the two connecting points connected with the insulation middle joint are connected by the cable, and the partial discharge live detection of the insulation middle joint is realized through the output of the high frequency current sensor, so that the defect that the high frequency current sensor can not be placed because the size standard of the cross bonding link boxes and connection sheets is different is overcome, and the test process is quick and very convenient.

The invention relates to an autonomous landing navigation control ground test verification system under a small celestial body (asteroid and comet) microgravity environment and belongs to the technical field of ground semi-physical simulation. The autonomous landing navigation control ground test verification system under the microgravity environment specifically comprises a small celestial body surface topography simulation part, a base part, a lander mounting platform and an external measurement part, wherein the lander mounting platform comprises a mounting platform body, multiple flotation air legs, one small-thrust nozzle, wherein the multiple flotation air legs are fixed at the bottom of the mounting platform body in a regular polygon shape, so as to realize a high-pressure air cushion, so that frictionless motion is realized; the small-thrust nozzle is arranged in the inverse direction of to-be-simulated microgravity and used for generating a thrust so as to serve as the microgravity borne by a lander; the external measurement part is used for measuring space states such as the position and posture of the lander mounting platform relative to the small celestial body surface topography simulation part. The system can simulate different microgravities by virtue of changing the thrust of the nozzle and has the advantages of simplicity in test, rapidness, and the like.

The invention relates to a high-voltage short-cable insulation terminal partial discharge testing device. One end of each cable is connected to the upper end of each protective layer protector. A power resistor is connected to the middle portion of each cable in series. The other end of each cable is connected with a grounding end of each protective layer protector and a direct grounding point of one end of each electric cable. A high-frequency current sensor is sleeved at intervals on the cable between the grounding end of each protective layer protector and each power resistor. An output end of the high-frequency current sensor is connected with partial discharge measuring equipment. The upper ends of the protective layer protectors of an insulation terminal and the grounding points are connected through the cables, output of the high-frequency current sensor is collected to complete partial discharge live detection of the insulation terminal, under the premise that normal operation of a circuit is guaranteed, live detection in which the protective layer protector is connected to the ground to detect electric cable terminal partial discharge is achieved, a testing process is quick, and convenience is achieved.

The invention discloses a drum device of an indoor type testing machine. The drum device is characterized by comprising a smooth steel base drum, a plurality of modularized road simulation units and a plurality of dynamic balance compensation units, wherein a spindle mounting hole is arranged in the centre of the smooth steel base drum axially; the modularized road simulation units are respectively detachably arranged on outer surface of the circumferential surface of the smooth steel base drum, and the modularized road simulation units are arranged in an end-to-end connecting manner; and the dynamic balance compensation units are respectively detachably arranged on the inner surface of the circumferential surface of the smooth steel base drum, and the dynamic balance compensation units are in dynamic balance compensation matching with the modularized road simulating units. Therefore, the drum device integrates road spectrum and road simulation in a proving ground of the modularized road simulation units and dynamic balance compensation of the dynamic balance compensation units, thereby simulating a tyre test in the proving ground.

The invention relates to a computer dynamic simulation method of driver dynamic response behavior about graphic path information board. A simulation system provides more vivid fast road trip condition and a human-computer interaction interface which meets the human engineering principle for driver; the information of the trip condition comprises basic trip information, traffic flow operating state, GRIP information, vehicle azimuth information and other auxiliary information. The traffic condition and the GRIP information passed by the driver in the trip process are obtained by simulation of simulation mathematic model of macroscopic traffic flow of fast road network so as to lead the traffic condition passed by the driver in the trip process to be more real and increase the reliability of colllected response behavior data of the driver. The driver inputs the path selected by the mouse and the keyboard to the computer in the simulation trip process. The simulation method has the characteristics of low development cost, simple and convenient simulation test, easy operation, no limitation to test fields, fast test process and lower test cost and the like and can provide basic data for analysis and modeling of dynamic path selection behavior of the driver.

The invention relates to a detachable and reusable shear wall earthquake-proof performance test loading rack and a test method. The test loading rack comprises a wall steel frame apparatus, a loading connecting apparatus, and an anti-sidesway module, wherein the wall steel frame apparatus comprises a loading beam, a steel frame wall, and steel frame wall fulcrum bars; two sides of the steel frame wall are provided with inclined strut type wall fulcrum bars; the wall fulcrum bars are in fixed connection with the bottom of the steel frame wall and a shear wall test piece floor; a jack is arranged on the square steel tube frame of a hollow part on the steel frame wall; the loading beam is fixed on the upper part of the steel frame wall, and is in connection with the loading connecting apparatus through loading terminals at ends of the loading beam; the anti-sidesway module comprises fixed steel frames and anti-sidesway pull rods; two ends of the anti-sidesway pull rods are respectively hinged to the fixed steel frames and the steel frame wall fulcrum bars in the wall steel frame apparatus. The loading rack can increase the shear span ratio of a shear wall test piece, meet the requirement that the shear span ratio is greater than 3 in an earthquake-proof performance test, apply axial pressure to the shear wall test piece, and meet requirements for different axial compression ratios required by a shear wall test.

The invention discloses a function checking device of an electric car battery management system. The function checking device mainly comprises a power source module, a simulation monomer voltage generation module, a simulation temperature generation module, a simulation current generation module, a processor control module, an operation module and a display module, wherein the power source module, the simulation monomer voltage generation module, the simulation temperature generation module, the operation module and the display module are connected with the processor control module. The function checking device can conveniently, easily and rapidly detect the electric car battery management system, high quality and high efficiency of production of the battery management system are ensured, and meanwhile a channel is provided for software and hardware debugging of research and development products of the battery management system.

The invention relates to an electrode, in particular to a chemically modified bismuth membrane electrode. The bismuth membrane electrode is prepared by the following steps: mixing Nafion and ionophore according to the volume fraction of 1:1-1:1.5, and conducting ultrasound on the mixture for 20-40min to be uniform, then dripping the mixture to the surface of glassy carbon electrode polished cleanly, drying the mixture at room temperature, subsequently hardening the mixture by blowing hot air to the mixture, after the mixture cools to room temperature, putting the glassy carbon electrode to acetic acid-sodium acetate buffer solution which contains 100-1, 500mug/L Bi(III) and has the pH being 4.5, and applying -1.2V electric potential under stirring situation for 180s of deposition and enrichment. The electrode is simple in making, small, exquisite and nimble, wherein the sensitivity is up to 31.38nA/Nm, the detection limit can be up to 4.4 multiplied by 10-11M. The electrode can be used in the application fields such as environmental monitoring, food security and clinical detection and the like with simple operation and short test process, and can also be used for detecting the content of heavy metal in seawater, fresh water, blood, urine samples and vegetables.

Disclosed in the invention is a testing apparatus of a dynamic response of a filler wall under combustible gas explosion. The testing apparatus comprises a reinforced concrete room (3) without rear side wall and a reinforced concrete frame (5) fixedly connected to the rear side wall of the room (3). A testing brick wall (8) is prefabricated on the frame (5). An explosion venting hole (1) is formed in a front side wall of the room (3) and is filled with an explosion venting material. A plurality of pressure sensors (2) are arranged at the inner side of the front side wall of the room (3). Besides, a displacement meter (16) is arranged at the outer side of the testing brick wall (8); and the pressure sensors (2) and the displacement meter (16) are in signal connection with a data acquisition unit (6). An igniting head (4) is arranged inside the room (3); and a combustible gas source connected with the room (3) is also arranged outside the room (3). According to the testing apparatus, a real combustible gas explosion load can be used for loading the filler wall.

The invention discloses a residual stress measurement system through a hole-drilling method, and belongs to the technical field of material processing and experimental stress analysis. The system comprises two parts: a drilling device and stress calculation software. The drilling device is formed by a speed-adjustable electric hand drill, a tool microscope, a drill rod, a guide cylinder and a magnetic support base and the like; and the calculation software is programmed through C language, and can give residual stress in an assigned direction, or principal stress and included angle in real time. Since a drilling guide device adopts an embedded ball bearing mode, an rotary friction effect of the drill rod is totally prevented; since the support adopts permanent magnetic bases and lock nuts each having a breach, site positioning and fillet weld stress measurement are realized greatly; and since the calculation program takes features of change of hole edge plastic deformation and processing strain with the stress value into consideration, a stress calculation formula of any two vertical directions is given to enable welding residual stress measurement to become much easier and accurate.

The invention discloses a system and method of multi-element pulsed laser deposition for synthesizing a composite material in batches in the field of materials science. The method comprises the following steps of: using several beams of high energy laser, focusing the high energy laser beams and evaporating different source material targets by the focused high energy laser to generate different laser plasma beams, and finally depositing the source material unevenly on a substrate. The system and the method provided by the invention are simple and easy to use and have the characteristics of low cost, high efficiency, strong coordination and so on. The system and the method can be used for large-batch material synthesis in novel material research.

The method includes the following procedures: incubating the diluent of the peridium antigen. Adding a confining liquid and incubating. Mixing the processed specimen with the enzyme-marked antibody and incubating. Taking out the enzyme-marked board, adding the substrate fluid and incubating. Adding sulphuric acid solution to end the reaction. 450mm wavelength, determining the OD value and detecting the fipronil content in the specimen. The invention provides the features of easy of operation, the short detecting procedure. The invention can be utilized in the application and research area such as the environment control, the food industry and pesticide. It is particularly suitable for the grass root and the markets monitors section.

The invention relates to battery pick-out equipment for a hot-spot test of photovoltaic components. The battery pick-out equipment comprises a machine frame and is characterized in that baffle guide rails and photovoltaic component guide rails are mounted on a machine frame, a photovoltaic component support frame is mounted on the photovoltaic component guide rails and can move along the photovoltaic component guide rails; steady-state light sources and a plurality of light sources in array distribution are mounted on the machine frame above the photovoltaic component support frame; one or more group of baffle components are mounted between the steady-state light sources and the photovoltaic component support frame; the baffle components comprise baffle supports of which the two ends are arranged on the baffle guide rails, and the baffle supports can move along the baffle guide rails; a plurality of baffles capable of shielding the steady-state light sources are arranged on the baffle supports; a space for placing photovoltaic components is formed between the baffles and the photovoltaic component support frame; and a data acquisition circuit is mounted at one end of the machine frame. The battery pick-out equipment only requires measurement of the reverse dark-state leakage current of batteries, and can achieve multi-way monitoring at the same time, thereby greatly speeding up the test.

The invention discloses a drilling hole transverse perforation device of rock destruction characteristics and ground stress parameter measurement. A cavity is a hollow opening cylinder body, a pressurizing hole, a return pressure hole and a wiring groove are arranged in the cavity, a movable lug is fixed in the cavity through a return pressure pad, a digital displacement sensor is also fixed in the cavity, a pad plate is fixed on the upper parts of the movable lug and the digital displacement sensor through screw threads, a plurality of cone heads with different curvatures are fixed on the pad plate through screws, and a pressure bearing plate is fixed on the cavity through screws. Firstly, an oil pressure pump is used for pressurization through the pressurizing hole, the pressure is relieved through the return pressure hole after the experiment is completed, and the digital displacement sensor transmits the displacement data of the movable lug into a receiver through a data line arranged in the wiring groove. The device has the advantages of convenient use, low cost, precision and high speed. The invention uses ordinary engineering drilling holes, and breaks through the stress area limitation of the Good man jack, so the tested rock is destructed, and the intensity, the deformation destruction parameters and the ground stress parameters of the rock with different depth in weathering zones can be measured.

The invention discloses a function verifying device of an electric vehicle cell management system. The device mainly comprises a power supply module, a simulation single body voltage generation module, a simulation temperature generation module, a simulation current generation module, a processor control module, an operation module and a display module. The power supply module, a simulation cell voltage generation module, the simulation temperature generation module, the operation module and the display module are connected to the processor control module. The device can conveniently, simply and rapidly detect the electric vehicle cell management system, the high quality and high efficiency of BMS cell management system production is ensured, and at the same time, a channel is provided for the software and hardware debugging of a BMS research and development product.

The application discloses a software testing method. The software testing method comprises the following steps that an automation testing tool executes data-generation automation cases to obtain transaction scene data, wherein the data-generation automation cases are written and obtained by the automation tool according the transaction scene data; the automation cases with a preset quantity and the transaction scene data are used for executing test to obtain testing output, wherein the testing process is written by the automation tool to obtain the automation cases; and the testing output is compared with preset output to obtain a testing result. The software testing method disclosed by the invention has the advantages that in testing, multiple groups of scene data are firstly generated by data preparation cases, and the automation cases in a testing scene are tested by corresponding to multiple scene data to achieve the scene-reusing effect and accelerate the testing process, so that the testing efficiency is greatly improved, and the function iteration of fast changes can be better handled. The application also discloses a software testing system with the beneficial effects.