41results about How to "Test results are reliable" patented technology

The invention discloses a measuring device and a method for liquid permeability of a compressed rock in reservoir conditions, wherein the device comprises a thermostat; a first piston container and a second piston container which are arranged in the thermostat and used for containing test fluid; a core holder which is arranged in the thermostat, wherein the interior thereof is used for clamping a core sample, the two ends of the core holder is respectively connected to the outlet ends of the first piston container and the second piston container; a confining pressure pump used for adding confining pressure to the core sample in the core holder; a vacuum pump used for drawing a vacuum on the two sides of the core sample in the core holder; an injection pump which can inject the test fluid in the first piston container into one side of the core sample in the core holder; and a backpressure pump which can inject the test fluid in the second piston container into the other side of the core sample in the core holder. The test results of the device are more reliable.

The invention provides a test method for a ditching towing tank of a fixed-wing airplane model. The method is characterized by comprising the steps of a, testing and mounting a testing device and the fixed-wing airplane model; b, testing by the steps of recording the movement posture, the acceleration change condition of the head, middle and tail part, and the pressure change after the bottom is in contact with water, of the model through a gyro, an acceleration sensor and a pressure sensor in the model during the test, recording the movement of the fixed-wing airplane model (9) separated from the testing device through a video type recorder, including the change condition of water lines of the model after entering water, reachwater sliding condition, and static floating in water. The method has the advantages of being practical, feasible, simple to operate, reliable in test result, and wide in applicable scope.

The invention, which belongs to the evaluation field of geological disasters of water conservancy projects, especially relates to a measurement arrangement system for exploring a riverway karst cave and implementation method thereof, particularly to a multi-dimensional detection method for diagnosing a karst body hidden in a riverway by using a parallel electrical method. The multi-dimensional arrangement apparatus for exploring riverway karst body distribution comprises a test system and a test instrument. The test system consists of two multi-core cable lines arranged at two river embankments in parallel, infinity B electrodes corresponding to the single multi-core cable line, and potential reference N electrodes. 64 electrodes are arranged at each multi-core cable line; and each electrode channel is connected with the ground by a copper rod. The test instrument is a parallel electric method instrument. According to the multi-dimensional detection apparatus and method of exploring a riverway karst cave, because of utilization of the parallel electric method detection technology, the work efficiency of the conventional resistivity method is improved; with an interpreting technique based on combination of a two-dimensional apparent resistivity image and three-dimensional inversion imaging, the karst cave exploration precision is improved and defects in the prior art are overcome.

The invention relates to a testing device and method for determining the diffusion distance of injected gas in the gas injection and oil extraction process. The device is composed of a nuclear magnetic resonance host, a nuclear magnetic resonance analysis coil, a data acquisition and analysis system, a crude oil sample preparation device, an injection gas container, a rock core holder, a confiningpressure liquid temperature control and circulation system, a back pressure valve and a fluid metering system. The method comprises the following steps: (1) putting a rock core into a rock core holder and establishing an original reservoir condition of an oil reservoir; (2) injecting injection gas with a certain pressure into the rock core from the inlet end of the holder; (3) dividing the outersurface of the holder into a plurality of sections by using a scale, and gradually performing nuclear magnetic resonance test analysis on each section of the holder through a nuclear magnetic resonance coil; and (4) testing each section of the holder again at set intervals until T2 spectrogram signals of the fluid in all sections do not change along with time. The test result is accurate and reliable, and the method has important supporting effect and practical significance for researching the gas injection oil extraction process and improving the crude oil recovery ratio.

A virtual test method in a consistency test of a communication protocol includes that the method is realized by judging according to the address the source of test packets; different tested protocolsare used to realize network address of the peer to realize multi-virtual tester, a logic testing structure is set up with multi-virtual download testers and use only one download tester to realize the software (or system) test to tested protocol on the bases of guaranteeing the effectiveness and accuracy, avoiding complicated coordination among testers.

The invention relates to a six-degree-of-freedom simulation loading test bench for a bogie of a monorail train, which is composed of a car body restraint truss, a six-degree-of-freedom excitation test device and a test simulation vehicle body. The six-degree-of-freedom excitation test device consists of a vibration excitation device, 1, No. 2 guide wheel driving device, running wheel driving device and stabilizing wheel driving device, the test simulation body and the test bogie are fixed together, and are located on the six-degree-of-freedom excitation test device as a whole, so that the running wheel of the test bogie , the stabilizing wheel and the guiding wheel are respectively in frictional contact with the driving roller of the traveling wheel, the driving roller of the stabilizing wheel and the driving roller of the guiding wheel. The invention overcomes the problem that the monorail train bogie cannot be tested for bogie parameters in actual operation and there is no record for the parameter test equipment of the monorail train bogie. It can accurately simulate the vibration of the monorail train bogie in actual operation, so that the test data is more correct and authentic, and the test results are more real and reliable.

The invention relates to the clock synchronization field of communication technologies, and discloses an FC network based clock synchronization precision testing device and method. The clock synchronization precision testing device comprises a clock server; and multiple clock clients respectively connected with an FC switch and respectively used for sending and receiving SYNx, SYNy and SYNz clock synchronization primitives. The FC network based clock synchronization precision testing method comprises the steps of recording time points when the clock server sends the SYNx, SYNy and SYNz clock synchronization primitives and clock synchronization primitive values; recording time points when each clock client receives the SYNx, SYNy and SYNz clock synchronization primitives and the clock synchronization primitive values; and calculating clock synchronization precision of each port and judging whether the clock synchronization precision is satisfied with a requirement. According to the FC network based clock synchronization precision testing device and method, the clock synchronization precision of the FC switch can be tested in real time without manual intervention, the testing intensity is high, and the testing result is reliable; and hardware logic is liable to realize, and a nanosecond-level precision test for clock synchronization of an FC switching network can be carried out.

The invention relates to a battery calorific value testing method and a battery calorific value testing device. The method comprises the steps of discharging a battery to be tested, heating the battery to be tested with a preset heating power, obtaining temperature information of the battery to be tested in the process of discharging and heating through a temperature measuring device, obtaining anintegral area of excess temperature of the battery to be tested in the process of discharging and heating according to the change of the temperature of the battery to be tested with time in the process of discharging and heating, and thus obtaining a calorific value of the battery to be tested in discharging according to the integral area of the excess temperature of the battery to be tested andthe preset heating power. The battery calorific value testing method and the battery calorific value testing device provided by the invention have the advantages of a simple structure, rapid test, a reliable test effect, high efficiency, high practicality, a low process requirement, low test cost and good engineering practice significance and are worthy of widespread use.

The invention discloses a bituminous pavement material hydrodynamic pressure washing tester, which comprises a machine frame and a horizontal bottom plate arranged on the top of the machine frame; the horizontal bottom plate is fixedly provided with a motor and a reducer; the reducer is connected with a cam mechanism; the driven piece of the cam mechanism is a vertically arranged force-applying push rod arranged below a cam and passes through a horizontal bottom plate vertically downward to enter the machine frame; the lower end of the force-applying push rod is fixedly provided with a supporting seat, the lower end face of the supporting seat is fixed with a rubber plate, and a washing mold for mounting a test piece is arranged below the rubber plate; and a water tank is arranged below the machine frame, and the washing mold is arranged in the water tank. The tester accurately simulates the actual condition of the washing action of a hydrodynamic pressure on a bituminous pavement material. Through the tester, the relationship between the washing amount of the pavement material and action times can be tested; and the test result is stable and reliable, and the comparability between the test results of different materials is high.

The invention relates to a calibrating device for an automatic red light running recording system, in particular to a calibrating device and method for the automatic red light running recording system. The device comprises a main testing machine, a display module and an analog trigger. The display module receives instructions sent by the main testing machine and displays corresponding information such as current time, the vehicle speed and positional information, and meanwhile the main testing machine can control a trigger module to send a trigger signal of a ground sense coil to replace the function that a motor vehicle triggers the ground sense coil to trigger the photographing function of the automatic red light running recording system, so that the safety coefficient is high; in the calibrating process, the analog trigger is directly placed above the road surface ground sense coil, the main testing machine sends the trigger instructions to the analog trigger, the trigger module sends the trigger signal to trigger the photographing function of the automatic red light running recording system, and corresponding errors are calculated after measurement is conducted multiple times. The calibrating device is simple in structure, convenient to use, high in adaptability, and capable of guaranteeing detection and recording uniqueness of a red light running recorder.

The invention discloses a method for measuring and calculating maximum dry density of natural debris. The method specifically comprises the following steps: estimating stone mass percent of a stock ground or a site; performing a screening test on a debris sample through a water pressure sieving method to obtain the over-size particle content p and stone content; screening a reserved sample from particles with the particle size of 40-60mm in the debris for later use; screening the particles with the particle size of less than 40mm into two kinds of particles with the particle size of 5mm below or 5-40mm; performing a compaction test; determining a relationship between the stone content and the maximum dry density; taking the reserved sample of the particles with the particle size of 40-60mm, and calculating to obtain the bulk volume relative density of the over-size particles; substituting the stone content of the debris sample into a regression formula, and calculating to obtain the maximum dry density of the debris sample with the particle size of less than 40mm; calculating the corrected maximum dry density. Aiming at the characteristic that the natural debris serving as roadbed filling is good in performance and poor in gradation, the relationship between the particle size of the particles and the maximum dry density is analyzed, the maximum dry density of the natural debris is scientifically and comprehensively determined, the method is scientific, simple, convenient and rapid, and the test result is accurate and reliable.

The invention discloses an anti-electromagnetic radiation clothing analyzer. It s formed by an electromagnetic signal source, a shielded box, a frequency type spectrum analyzer, a body model, an electromagnetic shielding line, an electromagnetic wave launching aerial, and five electromagnetic wave receiving aerials. The electromagnetic signal source is connected with the electromagnetic wave launching aerial by the shielding line; the electromagnetic wire is fixed on the center location of the shielding case door; the body model is positioned on the center location of the shielding case; the corresponding location of head, pharynx, larynx, heart and uterus separately position five electromagnetic wave receiving aerials which are connected with the frequency type spectrum analyzer by five shielding lines.

The invention discloses an automatic detection device and method of a sphygmomanometer and a blood pressure gauge. The automatic detection device includes a rack assembly, an air pump, a solenoid valve, a lifting assembly, a camera, an air pressure sensor, a lower computer and an upper computer. The upper computer controls the work state of the air pump, the steering action of the solenoid valve and the lifting and photography actions of the camera in the lifting assembly through the lower computer; the air pressure sensor detects air pressure data and uploads the air pressure data to the upper computer after the data is processed by the lower computer; the camera is utilized to collect indicating value images of the sphygmomanometer or the blood pressure gauge, and the images are transmitted to the upper computer through the lower computer. According to the detection method, data detected by the air pressure sensor and data of the indicating value images are combined and then processed to automatically generate original records and certificates. The automatic detection device and method solve the problems that in the prior art, visual fatigue easily occurs after detectors continuously detect multiple sphygmomanometers or blood pressure gauges, personal errors resulted from inaccurate buckling of optoelectronic signal sensors are caused to automatic detection instruments of thesphygmomanometers, and therefore the automatic detection instruments cannot be used for detecting the blood pressure gauges.

The invention relates to an experimental device for simulating an isothermal coupling process of two airflows under an underground railway environment by use of a liquid. Three water pipe openings are arranged on a sealed water tank of a model station system C equidistantly, a backwater opening and four overflow openings are arranged on the right sidewall of the sealed water tank, and a water inlet is arranged on the left sidewall of the sealed water tank; an underground railway station model piston wind system A is as follows: the backwater opening of the right sidewall of the sealed water tank is sequentially connected with a water pump, a valve I, an electric regulating valve, a rotor flowmeter I and a valve II through a pipeline, and the water inlet of the left sidewall of the sealed water tank is connected with the distal end of the pipeline; and a model station ventilation jetting system B comprises a water storage tank provided with three water outlets, wherein the three water outlets are respectively sequentially connected with the water pump, the valve and the rotor flowmeter through pipelines, and a water pipe opening I, a water pipe opening II and a water pipe opening II of the sealed water tank are respectively connected with the distal ends of the three pipelines. A liquid model experimental table utilized by the experimental device disclosed by the invention has a suitable size, and the result is reliable, so that effective manners are provided for complex station airflow organization research in a design operation process of the underground railway.

The invention discloses electrochemical test paper for rapid measurement of amylase as well as preparation and detection methods thereof. The electrochemical test paper comprises an insulating substrate, two independent detection systems arranged on the insulating substrate, a conductive film layer, a reaction film layer and a curing layer, wherein the detection system comprises a liquid guide groove body formed in the insulating substrate; the liquid guide groove body comprises a first liquid guide groove and a second liquid guide groove being independent of each other; the first liquid guidegroove is provided with a first sample inlet; the second liquid guide groove is provided with a second sample inlet; the conductive film layer is arranged on the insulating substrate; the conductivefilm layer comprises a first reference electrode, a first working electrode, a second reference electrode and a second working electrode being mutually insulated from one another; the reaction film layer comprises at least one electron mediator and at least one enzyme which reacts with a detected substance. The electrochemical test paper can be used in conjunction with a multi-parameter analyzer to rapidly and quantitatively detect amylase activity in blood or urine, and has the advantages of high sensitivity, accurate measurement results and convenience in use.

The invention discloses a planar electrode structure suitable for vacuum surface flashover, including an insulating fastener, a high voltage electrode, a ground electrode, an insulating bracket and aninsulator to be measured. A groove is arranged in the middle of the upper part of the insulating bracket, and the insulator to be measured and the groove are matched. The high voltage electrode and the ground electrode are in surface contact with the insulator to be measured. The high voltage electrode and the upper part of the ground electrode are connected with a pressing mechanism, and the clamping mechanism keeps the close contact with the insulator to be measured. The pressing mechanism includes the insulating fastener, an electrode fixing bolt I and a fixing bolt I. The electrode fixingbolt I is connected with the insulating fastener. The fixing bolt I is matched with the electrode fixing bolt I. The insulating fastener is connected with the insulating bracket at the lower part through a support piece. The planar electrode structure has the advantages of simple structure, good discharge stability, small influence of the gap electric field of the vacuum surface flashover, reduction in the discharge dispersion of the vacuum surface flashover, high reliability, strong operability, long service life, and small influence of the electrode fixing and the insulating support structure on the gap electric field.

The invention discloses a primary frequency modulation test system and method for a new energy station. The system includes: an analog output source which is used for simulating the current and voltage output of a grid-connected point, and triggering a primary frequency modulation device to act; a message and recording integrated acquisition device which is used for acquiring a grid-connected point network message and fault recording; a simulation master station which is used for loading a primary frequency modulation online monitoring information model, wherein the simulation master station performs information interaction with the primary frequency modulation device through IEC104 or IEC61850 MMS, initiatively initiates remote control and remote regulation instructions, and records remote signaling and telemetering information in real time; a communication server which is used for loading a primary frequency modulation information point table, simulating a new energy station to perform information interaction with the primary frequency modulation device through IEC104, Modbus TCP or IEC61850 GOOSE, passively responding to an adjustment instruction initiated by the primary frequency modulation device and feeding back a target value; and a test interaction interface end which is used for calling the interface of the function module according to the test item of the primary frequency modulation device, returning test record data and automatically generating a test report. The system and method are used for laboratory detection and field test, the test means is flexible and convenient, and the test result is reliable.

The invention discloses a concentrating photovoltaic assembly on-line testing device comprising a parallel light simulation assembly. The parallel light simulation assembly comprises a plurality of light sources and lenses used for converting the light irradiated by the light sources into the parallel light, which are from top to bottom sequentially arranged. The plurality of light sources are arranged in a dot matrix. The light sources and the lenses are respectively disposed on a light source frame and a lens frame. Four corners of each of the light source frame and the lens frame are correspondingly and fixedly provided with four nuts, and four bolts are disposed correspondingly in the four corners of each of the light source frame and the lens frame, and pass through the corresponding nuts of each of the light source frame and the lens frame from bottom to top, and in addition, the nuts are engaged with the corresponding bolts. The bottom part of every bolt is provided with a supporting leg. A concentrating photovoltaic assembly is disposed under the lenses. The concentrating photovoltaic assembly comprises a concentrating photovoltaic assembly housing, the bottom part of which is supported by an on-line testing platform. Four corners of the on-line testing platform are disposed on the bolts by platform assembly nuts in an engaged manner.

The invention discloses a testing device for carrying out free falling body vertical impact on ceramic tiles. The testing device comprises a testing table, a support frame and an adjusting cross beam,the adjusting cross beam moves up and down on the support frame to adjust the height, and a locking mechanism is arranged between the adjusting cross beam and the support frame; a plurality of branchhorizontal rods corresponding to different areas of ceramic tiles below are arranged on the adjusting cross beam, electromagnetic adsorbers are arranged on the branch horizontal rods, the electromagnetic adsorbers adsorb free falling parts in a power-on state, adjusting grooves designed in the length direction are formed in the branch horizontal rods, the electromagnetic adsorbers are arranged below the adjusting grooves, each adjusting groove is provided with a locking screw through which a rod body passes through the adjusting groove, and an electromagnetic adsorber is installed at the bottom of each locking screw. According to the testing device, a free falling body impact test is carried out on the ceramic tiles by imitating the falling state of an object, the multi-area synchronous test of the ceramic tiles is carried out, the test result is real and reliable, and the test efficiency is high.

The invention provides a vibration frequency test and durability assessment method for an exhaust system, and the method comprises the steps: arranging the exhaust system on a vibration exciter according to a whole vehicle arrangement relation, and carrying out the vibration frequency test of the exhaust system through the vibration exciter; under a preset vibration acceleration, scanning vibration is conducted on the exhaust system from low to high at a preset speed, and scanning vibration is conducted again from high to low; acquiring a strain value of each preset assessment position in the exhaust system, and determining a resonant frequency of each preset assessment position based on the strain value; staying vibration is carried out at each resonant frequency, and the vibration acceleration is gradually increased until the strain peak value of any preset assessment position is matched with the maximum strain value of the whole vehicle test; and the durability of the exhaust system is examined and evaluated. The exhaust system is tested and assessed by adopting the method, and the defects that in the prior art, the test and assessment cost of the exhaust system is high, and the test result does not have too high reference value can be overcome.

The invention discloses a test method for slag production amount and deformation of a drilling hole of high-gas soft coal. The test method comprises the following steps: 1, collecting high-gas soft coal sample storage parameters; 2, preparing a high-gas-soft coal sample; 3, simulating the condition of an underground high-gas soft coal seam; 4, forming a drilling hole in the high-gas soft coal seamby using a drilling hole deformation simulator; 5, recording a hole slag production amount and a hole deformation value that correspond to a gas pressure; 6, changing the diameter of the drilling hole and testing a hole deformation value of the high-gas soft coal sample; and 7, drawing a dynamic changing curvature line of hole deformation values with the hole diameter, the gas content, and the gas pressure. The method has the following advantages: high-gas soft coal drilling holes with different aperture specifications are simulated actually; and the dynamic changing rule of the hole deformation values with the gas content and the gas pressure is tested accurately.

The invention relates to the technical field of nuclear radiation protection, and provides a testing device based on uniform thermal neutron field radiation of an array neutron source. The device comprises an array neutron source, a shielding body, an instrument testing passage and a carrying platform; the array neutron source comprises neutron sources and neutron source shielding drawers, the neutron source shielding drawers comprise neutron source shielding drawer bodies and neutron source shielding drawer plungers, the neutron sources are placed in the neutron source shielding drawer bodies, the neutron source shielding drawer plungers are arranged on the neutron source, array distribution of 12 241Am-Be neutron sources is adopted, every two neutron sources are taken as a group to be placed in a neutron source shielding drawers, wherein the activity of the neutron sources placed at the two ends is 2Ci, the activity of the 10 neutron sources placed in the middle are 1Ci, and the array neutron source is installed in the shielding body and used for generating a neutron radiation field. The testing device has the advantages that a thermal neutron field which is more uniform and hasa larger dimension can be generated, the accuracy is high when the testing device is used for large-dimension detecting instrument testing, and the testing result is reliable.

The invention belongs to the technical field of nuclear power safety evaluation, and particularly discloses a system for evaluating the aging state of a non-metallic material under the ETA+NH3 condition. The system comprises a soaking aging system and a dynamic water chemical circulation system. The soaking and aging system comprises a plurality of high-pressure kettles with a heating function, each high-pressure kettle is provided with a water adding opening, a liquid inlet and a liquid outlet, and the interiors of the high-pressure kettles are used for placing non-metallic materials; each high-pressure kettle is provided with a dynamic water chemical circulating system, and each dynamic water chemical circulating system comprises a circulating pump, a pumping-in pipeline and a pumping-out pipeline; a resin bed is arranged on the pumping pipeline, and a dosing pipeline is arranged between the resin bed and the circulating pump; and a water chemical measurement module with the functions of measuring pH, dissolved oxygen and conductivity is arranged at the rear end of the position where the dosing pipeline is arranged on the pumping-in pipeline or on the pumping-out pipeline. The system can effectively evaluate the use feasibility of the ETA in the secondary circuit, and lays a foundation for the use of the ETA.

The invention relates to the field of cutting fluid detection equipment, in particular to a cutting fluid foam performance testing device. The cutting fluid foam performance testing device comprises a base. A transparent containing box with a top opening is arranged on the base. The bottom of the containing box is in a circular arc shape. A liquid pump is arranged inside the containing box and provided with a vertical conveying pipe. The conveying pipe is provided with a drainage opening. The drainage opening is located over the opening of the containing box. The bottom of the containing box is provided with a first vertical supporting rod and a second vertical supporting rod. The first supporting rod and the second supporting rod are in sliding connection with the base. The base is further provided with a first air cylinder and a second air cylinder. The first air cylinder and the second air cylinder are connected with the bottom of the first supporting rod and the bottom of the second supporting rod respectively. A capacity instrument is arranged on the containing box. The cutting fluid foam performance testing device has the advantages that the scene that foams are generated in the using process of cutting fluid is truly restored, a foam test is closer to foams obtained in the using state, the test result is more real and reliable, and foam performance testing is more accurate.