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104results about How to "Save testing time" patented technology

Product on-line detector

The invention discloses a product on-line detector. The product on-line detector comprises a stander which is arranged on one side of a production line, wherein the stander is fixedly provided with a camera and at least one lighting lamp; at least one pair of sensors is symmetrically fixed on the two sides of the production line; a image pickup port of the camera is opposite to the production line; the light of the lighting lamp irradiates the region opposite to the image pickup port of the camera; the first pair of sensors is positioned to ensure that the area, of which the image needs to be picked up for the first time, of a product is exactly positioned under the image pickup port of the camera when the product triggers the pair of sensors; after the sensors are triggered, a signal is transmitted to an industrial personal computer; the movement of the product is sensed through the sensors; the industrial personal computer controls the camera to pick up image information of the product and determines the type of the product; furthermore, parameters of the camera and the working condition of the lighting lamp are adjusted according to the type of the product; after all subsequent pictures picked up by the camera are transmitted to the industrial personal computer, the industrial personal computer performs intelligent operation according to a preset program and acquires detection result information; a detection result is displayed by a display; and through the process, the product detection is finished on line, thus labor and detection time are greatly saved.
Owner:SUZHOU VISIONFAST MACHINE VISION TECH

Detection device for monitoring water quality on line and water quality on-line monitoring method

The invention provides a detection device for monitoring water quality on line. The detection device comprises a sampling device, a microorganism fixing device, and an electrochemical detection device wherein a sample inlet of the microorganism fixing device is connected with a sample outlet of the sampling device; the microorganism fixing device is a microbial film reactor; the microbial film reactor comprises a container and a microbial film arranged in the container; the microbial film comprises a microbial carrier and a microorganism attached to the microbial carrier; the microbial film reactor is placed in a thermostat; a sample inlet of the electrochemical detection device is connected with a sample outlet of the microbial film reactor; the electrochemical detection device comprises a detection pool, an electrode system, an electrochemical work station and a program control device; the electrode system is arranged in the detection pool; the electrochemical work station is connected with the electrode system; and the program control device is used for controlling the electrochemical work station. The invention further provides a water quality on-line monitoring method. When the on-line monitoring device detects the biochemical oxygen demand and the toxicity of the water sample, the result is accurate.
Owner:CHANGCHUN INST OF APPLIED CHEMISTRY - CHINESE ACAD OF SCI

Avionic device operating modal measuring method for vibration finite element model correction

The invention provides an avionic device operating modal measuring method for vibration finite element model correction. The method includes the following steps that firstly, response test points are arranged, and piezoelectric acceleration transducers are pasted, wherein the n response test points are arranged on a circuit board, and the piezoelectric acceleration transducers are pasted on the response test points respectively; secondly, an avionic device and a test device are installed, and an operating modal test platform is built; thirdly, time domain response data of the avionic device under the random vibration condition are acquired; fourthly, data processing is conducted through modal recognition software, and operating modal parameters of the avionic device are acquired. Through the steps, an avionic device operating modal measuring system for vibration finite element model correction is established, and the overall process from generation of random vibration signals to acquisition of the time domain response data and from generation of a time domain response data sample and a cross-spectrum function to recognition of the operating modal parameters of the avionic device is finished. According to the method, online modal recognition is achieved, and test time is saved and test cost is reduced.
Owner:BEIHANG UNIV

RF electromagnetic field and radio immunity test system and method of electric energy meter

ActiveCN105022020ARealize synchronous recordingHigh precisionElectrical measurementsAudio power amplifierEngineering
The invention discloses an RF electromagnetic field and radio immunity test system of an electric energy meter. The system comprises a tester body, a signal generator, an EMI receiver, a rotary table and antenna tower controller and an electric energy meter calibrating device, wherein the tester body is connected with the rotary table and antenna tower controller via a router, the electric energy meter calibrating device is connected to the tested electric energy meter via a filter, the rotary table and antenna tower controller is connected with a rotary table and an antenna tower, the EMI receiver is connected with an RF switch and a stop band filter, the RF switch and the stop band filter are connected with the router and the antenna simultaneously, the signal generator is connected with the RF switch, and the RF switch is connected with a power amplifier. Due to utilization of the network synchronization technology, immunity test of the RF electromagnetic field, synchronous recording of errors of the electric energy meter, multifunctional electromagnetic field test and RF interference suppression test are automatically integrated, monitoring data is collected and analyzed in real time, the operation and detection cost and the detection time are greatly reduced, and the accuracy of test data is effectively ensured.
Owner:国网山东省电力公司营销服务中心(计量中心) +2

Productivity testing real-time adjustment method of offshore oil well

The invention discloses a productivity testing real-time adjustment method of an offshore oil well. The productivity testing real-time adjustment method comprises the following steps: monitoring wellhead pressure and flow at a productivity testing phase of the offshore oil well in real time; converting to obtain a bottom hole flowing pressure and time relation; judging whether testing-grade bottom hole reaches a stable state or not; if so, carrying out the next step; otherwise, continually testing; adjusting testing-grade testing time and replacing a working system in time; judging whether actually measured bottom hole flowing pressure is equal to a pre-set relation value or not; if so, carrying out the next step; otherwise, revising reservoir parameters corresponding to the pre-set relation value; judging whether a pre-set relation of an untested grade meets testing requirements or not; if so, designing testing flow and a time sequence and adjusting a testing scheme; otherwise, revising untested grade flow and time sequence, which correspond to the pre-set relation value. By adopting the method disclosed by the invention, a productivity testing scheme is adjusted in real time, and the success rate of the testing and the quality of recorded testing data are improved; testing risks are reduced and the testing cost is saved.
Owner:CHINA NAT OFFSHORE OIL CORP +1

Method for measuring states of battery and application of method

The invention discloses a method for measuring the states of a battery and application of the method. The method for measuring the states of the battery includes the following steps that: (1) the current and voltage of the battery in operating are measured; (2) the series resistor resistance value, parallel resistor resistance value and parallel capacitance value of a first-order RC equivalent circuit model are extracted by adopting the least square method according to the measured current and voltage values; and (3) the state of heath (SOH) of the battery is preliminarily judged according to an interval where the extracted series resistor resistance value is located, and the state of heath of the battery is judged according to intervals where the parallel resistor resistance value and the parallel capacitance value are located. With the method of the invention adopted, the state of heath and the state of charge of the battery in a use process can be described authentically and comprehensively, and the determination of the performance of the battery and the prolonging of the service life of the battery can be benefitted, and the battery can be fully utilized. According to the method of the invention, only the current and voltage of the battery are required to be tested online, and therefore, test time and cost can be saved, and the usage rate of the battery can be improved. The method is suitable for establishing the service life prediction models of various retired lithium ion batteries.
Owner:未名电池科技(深圳)有限公司

Triolocation compensation algorithm for single-shaft fiber-optic gyroscope in oil well survey

The invention discloses a triolocation compensation algorithm for a single-shaft fiber-optic gyroscope in the oil well survey. According to the algorithm, an installation structure of the gyroscope and an accelerometer is adopted, a compensation calculation algorithm is conducted on output values, and the values are recorded by the accelerometer in the motor transposition process; the single-shaft fiber-optic gyroscope and the single-shaft accelerometer are adopted for forming a gyro inclinometer, the fiber-optic gyroscope and the single-shaft accelerometer are mechanically connected with a transposition mechanism through slip rings, the direction and the well deviation of each measuring point can be calculated in a triolocation mode without zero returning operation, transposition is conducted in one direction, operation is conducted cyclically by 0 degree, 90 degrees, 180 degrees, 270 degrees and 360 degrees, and the number of position point data needed in calculation is only three. According to a triolocation treatment method for the single-shaft fiber-optic gyroscope in the oil well survey, measurement time can be shortened, instrument cost is saved, and the algorithm is designed for determining the inclination and the direction of the gyro inclinometer in the fields such as oil logging and mine exploration and is worthy of application and popularization.
Owner:贵州航天凯山石油仪器有限公司

Gas chromatographic analysis device and analysis method of MTO reactive product gas

The invention provides a gas chromatographic analysis device and an analysis method of a MTO reactive product gas. The analysis device comprises a first analysis unit, a second analysis unit and a third analysis unit, wherein the first analysis unit is used for analyzing content of hydrocarbon gases and oxygen-containing compounds, and comprises a first ten-way valve, a first pre-separation column, a second pre-separation column, a six-way valve and a first detector which are connected in sequence, and a first chromatographic analysis column and a damping tube, two ends of the first chromatographic analysis column and the damping tube are connected with the six-way valve, and the first ten-way valve is provided with a tenth opening J connected with an air source to be detected; the second analysis unit is used for analyzing the content of H2 and comprises a second ten-way valve, a third pre-separation column, a second chromatographic analysis column and a second detector which are sequentially communicated, and the second ten-way valve is provided with a tenth opening J' connected with the air source to be detected; and the third analysis unit is used for analyzing the content of permanent gases except for hydrogen, and comprises a third ten-way valve, a third chromatographic analysis column and a third detector which are sequentially communicated, and the third ten-way valve is provided with a ten-way valve is provided with a tenth opening J'' connected with the air source to be detected. Only one instrument is needed, and the analysis time is short.
Owner:CHINA SHENHUA ENERGY CO LTD +2

Slide or test paper array for detecting liquid calcium ions and preparation method and application method of slide or test paper array

The invention belongs to the technical field of analytical chemistry, and specifically relates to a slide or test paper array for detecting liquid calcium ions and a preparation method and application method of the slide or test paper array. The slide or test paper array is slides or test paper soaked with concentrated sulfuric acid, hexadecyltrimethoxysilane and isopropanol. The mass percentage of concentrated sulfuric acid, hexadecyltrimethoxysilane and isopropanol is 0.1-3%, 3-18% and 80-96.9%. During use, an APS-CCA solution is added dropwise and taken as a colorimetric probe, wherein the mass percentage of APS in the solution is 0.1-20%, and the concentration of CCA is 0.1-25 mmol/L, and a lattice array of a colorimetric probe solution is formed. The slide or test paper array is fast, simple and visualized, is convenient to carry, and can be used for on-site detection. The array has high throughput, and can detect multiple samples at the same time. The array is excellent in hydrophobic performance, so that cross contamination between to-be-detected samples is greatly reduced. The array is simple and easily-controlled in preparation process, has excellent selectivity of calcium ions, and is high in detection accuracy.
Owner:CENT SOUTH UNIV

Gun adjustment precision detection system based on satellite positioning

The invention discloses a gun adjustment precision detection system based on satellite positioning, and relates to the field of guns. The gun adjustment precision detection system comprises a satellite, a gun bore axis calibration instrument, a clamp of the gun bore axis calibration instrument, a positioning directional host, zero phase antennas and an external display and control device. The gun bore axis calibration instrument comprises a laser transmitting terminal and a laser receiving terminal. The laser transmitting terminal and the laser receiving terminal are fixed to the two ends of a gun body pipe through the clamp respectively, the top end of the laser transmitting terminal and the top end of the laser receiving terminal are fixedly provided with the zero phase antennas respectively, the external display and control device is connected with the positioning directional host, and the two zero phase antennas are in wire or wireless connection with the positioning directional host. The gun adjustment precision detection system is simple in structure and convenient to operate, greatly improves detection efficiency, saves labor and detection time, and is accurate in gun adjustment precision detection, multipurpose and particularly applicable to high gun adjustment precision detection.
Owner:河北军涛科技有限公司

Method for recognizing ignition top dead center of first cylinder of four-stroke diesel engine and detection device thereof

InactiveCN103759947AAccurately identify the moment of top dead center of ignitionIncrease the first induced voltage signalInternal-combustion engine testingExhaust valveTop dead center
The invention provides a method for recognizing the ignition top dead center of a first cylinder of a four-stroke diesel engine. The method for recognizing the ignition top dead center of the first cylinder of the four-stroke diesel engine comprises the steps that a magnetic enhancing element is embedded in a gear tooth, corresponding to the top dead center of the first cylinder, of a flywheel ring gear of a crank shaft of the diesel engine, so that a first induced voltage signal which is abnormally enhanced is obtained when the gear tooth passes a rotation speed sensor; a magnetoelectric sensor is arranged at the end of a rocker arm of a vent valve of a valve mechanism of the first cylinder of the diesel engine, so that a mutative second induced voltage signal is obtained when the position of the rocker arm is changed suddenly; the time for ignition of the top dead center of the first cylinder is judged by analyzing the relative positions where the first induced voltage signal and the second induced voltage signal are generated. The method for recognizing the ignition top dead center of the first cylinder of the four-stroke diesel engine has the advantages that the method is simple and easy to realize, the judgment result is accurate, detection cost and detection time are saved, and powerful support is provided for positioning a fault of the diesel engine. The invention further provides a detection device used for the method for recognizing the ignition top dead center of the first cylinder of the four-stroke diesel engine.
Owner:DALIAN MARITIME UNIVERSITY

Method for quantitatively detecting organophosphorus pesticide chlorpyrifos in environmental air

ActiveCN107490647ASet up and optimize HPLCEstablish and optimize the secondary mass spectrometer (MSComponent separationParticulatesChlorpyrifos
The invention provides a method for quantitatively detecting organophosphorus pesticide chlorpyrifos in environmental air, and belongs to the field of detection methods for pesticide residues. The method comprises collection of a sample (comprising a gas phase part and a particulate matter part), pretreatment of the sample and chromatography-tandem mass spectrometry quantitative detection. Compared with reported methods, the detection of the chlorpyrifos in the environmental air is higher in selectivity and higher in sensitivity through the optimization of parameters of a chromatography-mass spectrometry detection method. According to the method, by the use of a multi-reaction monitoring technology of high performance liquid chromatography/tandem mass spectrometry, the shortcoming that a conventional detector cannot have the selectivity and the sensitivity at the same time during detection of a trace chlorpyrifos compound in a complicated background matrix is overcome, and qualitation and quantitation are more accurate and reliable. Therefore, compared with conventional UV-Vis, HPLC/PDA, GC/ECD and GC/NPD, the method provided by the invention has very outstanding advantages.
Owner:NANJING INST OF ENVIRONMENTAL SCI MINIST OF ECOLOGY & ENVIRONMENT OF THE PEOPLES REPUBLIC OF CHINA

Automatic torsion detection machine

The invention discloses an automatic torsion detection machine which comprises an electric control box and a torsion detection chamber, wherein the torsion detection chamber is arranged at the upper part of the electric control box; cylinders are arranged at the upper part of the torsion detection chamber in a bilateral symmetry manner; the torsion detection chamber is of an upper-and-lower double-layer structure; the upper-and-lower double-layer structure is separated by an up-and-down moving plate from the middle; four top corners of each of the upper and lower surfaces of the up-and-down moving plate are fixed by guide columns; a buffering spring is arranged between two guide columns on the same side arranged on the upper surface of the up-and-down moving plate; a rotating motor is arranged on the bottom surface of the torsion detection chamber; a fixing tool is arranged at the upper part of the rotating motor. By adoption of the automatic torsion detection machine, a special detector does not need to take greater effort to make a test, and only a detection component is mounted in place; therefore, the working intensity of a worker and the requirement on the skill of the worker are reduced, the labor and the detection time are greatly saved, and the detection precision is greatly improved; the manmade error is smaller, and a detection result is stable.
Owner:PROACTION TECH CHANGZHOU
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