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57results about How to "Enable continuous testing" patented technology

True triaxial fracture seepage continuous test system and method

The invention discloses a true triaxial fracture seepage continuous test system and method, and belongs to the technical field of rock mass mechanics and engineering. The true triaxial fracture seepage continuous test system comprises a fracture seepage continuous test system, a true triaxial loading system, a confining pressure injection system, an acoustic emission monitoring system, a servo control system and a data acquisition and control system. Fracture seepage continuous testing is achieved by control over a pneumatic steering valve, the actual stress, temperature and seepage conditionof rock in stratum is simulated under effects of a temperature field, a seepage field and a stress field, fracture seepage continuous test is performed on a test piece so as to test a fracture effectof the rock, the crack initiation, expansion and opening and closing characteristic of a gap generated by a crack is completely monitored by the acoustic emission monitoring system, the gap formationand expansion mechanism is observed, analyzed and mastered, and theoretical foundation and experiment basis are provided for hydraulic fracturing of coal bed gas and shale gas.
Owner:中国平煤神马控股集团有限公司 +2

LED parameter test method

The invention relates to a photoelectric testing technology, in particular to a method for testing LED parameters. The method controls a whole operation process mainly through a PC, wherein the PC transmits a preset polarity parameter and an electric testing parameter to a PCI control module, and a light test parameter to a light test module, while the PCI control module transmits corresponding parameter signal to a polarity detection module and an electric test module; moreover, a fixture is started to carry out parameter testing, and then the data tested by the fixture is transmitted to the PC. The method has the advantages that: the entire method has convenient testing, simple operation and reliable testing data; moreover, a testing device designed according to the method can realize continuous testing of a plurality of performances. The method can be widely used in enterprises for LED production and research and development, etc.
Owner:HANGZHOU ZHONGWEI PHOTOELECTRICITY

Machine learning-based tunnel rock quartz content test system and method

The invention provides a machine learning-based tunnel rock quartz content test system and method. The system comprises an information acquisition system and a learning system, wherein the informationacquisition system is borne on a mechanical arm, approaches to surrounding rocks along with the movement of the mechanical arm and is used for learning indoor rock sample images and rock sample images practically observed via well logging according to received acquired data, recognizing texture features of different rocks through a local binary pattern feature extraction algorithm so as to different differences of different rocks in the aspects of color, structure and construction, integrating feature amounts through a support vector machine algorithm, and establishing a response informationquartz content prediction model so as to calculate contents of quartz in front rocks in TBM tunneling projects.
Owner:SHANDONG UNIV

Software testing and evaluation method based on cloud computation technology

The invention relates to a software testing and evaluation method based on a cloud computation technology. The method comprises the steps that a testing cloud platform and an evaluation cloud platformare established; a lightweight cloud probe is deployed on the testing cloud platform; state data is collected by using the cloud probe and transmitted to the evaluation cloud platform through a network; analysis is conducted in the evaluation cloud platform, tested software is comprehensively established according to testing and evaluation standards, and a testing and evaluation report is generated. The software testing and evaluation method has the advantages that through the cloud computation technology, the utilization rate of equipment can be effectively increased, the required resourcesare dynamically adjusted according to service demands, the tested software is continuously tested, and the method helps to run and maintain a whole testing system. Through an introspection technologyof a virtual machine, the tested software is separated from a detection module. The tested software is deployed in the virtual machine, the detection module is deployed in a safer virtual machine monitor layer with a higher power level, and by integrating multiple advantages of the introspection technology of the virtual machine, the tested software is continuously, accurately and comprehensivelydetected.
Owner:TIANJIN UNIVERSITY OF TECHNOLOGY

Rail type movable triaxial apparatus

The invention provides a rail type movable triaxial apparatus belonging to a soil sample test device. Pressure chambers of the movable triaxial apparatus is connected with a circular rail in an embedding way, piston rods capable of applying a reciprocating load and a pressure sensor are fixedly arranged on a stander beam, a power transmission shaft connected with a pressure chamber cover is connected with each piston rod through a threaded sleeve, a displacement sensor is fixedly arranged on the power transmission shaft, when a pressure chamber slides on the circular rail below the stander beam, the center of each pressure chamber just aligns with the center of the piston rods under the stander beam, and the piston rods are connected with hydraulic cylinders. The movable triaxial apparatus is simple in structure, various soil samples can be prepared at the same time, when one sample is tested, the sample slides right below the corresponding piston rod, a pressure chamber base and a stander platform are fixed by a position pin, and the pressure chambers of the other samples move to the other side of the circular rail and the other samples are subjected to a saturation and consolidation process for the next step in a test. After the rail type movable triaxial apparatus is used, the test efficiency can be greatly improved, the samples can be conveniently assembled and disassembled, and the occupation space of test equipment can be effectively saved.
Owner:DALIAN UNIV OF TECH

Electronic equipment product drop test device

The invention relates to an electronic equipment product drop test device. The electronic equipment product drop test device comprises a box body; the lower end of the box body is provided with an impact stage; one side of the lower end of the box body is provided with a push plate; one side of the push plate is connected with a push-pull cylinder through a connection rod, wherein the push-pull cylinder passes through one side of the box body; the other side of the lower end of the box body is provided with a sliding door which is connected through a hinge; an opening is arranged at the upper end of the box body; the left side and right side of the upper end of the box body are provided with a fixing plate respectively; the fixing plates are provided with a material discharging cylinder respectively; each material discharging cylinder is connected with a material plate; hoppers are arranged on the material plates; material tubes are arranged below the hoppers; and the lower end of one side of the sliding door is provided with a storage box. With the electronic equipment product drop test device of the invention adopted, continuous testing of products can be realized, testing efficiency can be improved, manual feeding is not required, and time and labor can be saved.
Owner:安徽云图信息技术有限公司

Portable cutting-in testing system

The invention provides a portable cutting-in testing system. The portable cutting-in testing system comprises a cutting-in testing device and a computer, wherein the cutting-in testing device comprises a base, and a working platform adjusting module, a cutting-in testing module, an in-situ observation module, a signal measuring and controlling module and a power supply module which are mounted on the base, wherein the working platform adjusting module, the cutting-in testing module, the in-situ observation module and the signal measuring and controlling module are connected with the power supply module respectively; the working platform adjusting module comprises a vertical adjusting module, a horizontal adjusting module and a working platform; and the cutting-in testing module comprises a piezoelectric ceramic driver for horizontal driving, an electromagnetic driving device for vertical driving and a pressing head. The invention provides the portable cutting-in testing system which can carry out in-situ cutting-in testing and has relatively high testing precision.
Owner:ZHEJIANG UNIV OF TECH

Detection method for metallic element in liquid crystal material

The invention discloses a detection method for a metallic element in a liquid crystal material. The method comprises the following steps: sampling: a step of cracking a thin film transistor liquid crystal display screen panel into pieces, scraping liquid crystal located at a TFT substrate side and liquid crystal located at a CF substrate side with a scraper, collecting the liquid crystal and accurately weighing the liquid crystal with a balance so as to obtain a detection sample; pretreatment of the sample: a step of diluting the detection sample to 8 to 12 times by using a solvent dilution method so as to obtain an analysis solution; and detection: a step of sending the analysis solution into an inductive coupling plasma mass spectrometer to detect the metallic element in the liquid crystal material and carrying out quantification by using an external standard method. The detection method for the metallic element in the liquid crystal material can rapidly and accurately analyze the concentration of the metallic element in the liquid crystal material.
Owner:TCL CHINA STAR OPTOELECTRONICS TECH CO LTD

Motor load working characteristic testing system and method

The invention provides a motor load working characteristic testing system and method. The testing system comprises a force measuring device, a control force measuring device, a load device and a control device, wherein the force measuring device and the control force measuring device are respectively arranged on two sides of a measured motor, and are used for testing torque forces of upper and lower ends of the measured motor, the load device is connected with the control force measuring device and is used for providing load for the measured motor, and the control device is electrically connected with the measured motor and the load device and is used for controlling the start and stop of the measured motor and the output axial force of the load device. According to the testing system, theeffect of changing the load of the measured motor can be realized by changing the output axial force of the load device, the motor load characteristic test can be carried out under special environmental conditions (high and low temperature, vacuum and the like), the load of the tested motor can be continuously changed by continuously adjusting and controlling the output axial force of the load device, different load performance tests of the tested motor can be completed, and the continuous test of the load characteristics of the tested motor can be realized.
Owner:THE 21TH RES INST OF CHINA ELECTRONIC TECH GRP CORP

Suspension suspensibility measurement apparatus and method for testing suspension suspensibility through gravity center method

The present invention relates to a suspension suspensibility measurement apparatus and a method for testing suspension suspensibility through a gravity center method. The suspension suspensibility measurement apparatus comprises a long tube-shaped test container, a clamper, a torque sensor and a support, wherein the clamper is fixed on a point on the test container, the other end is provided with a joint coupled with a test end of the torque sensor, the torque sensor is fixed on the support, a center axis line of the test end of the torque sensor is parallel to the horizontal plane, and is perpendicular to a center line of a test container length direction, the test container is obliquely placed, and the center line in the container length direction and the horizontal plane form an included angle theta. The invention further provides a method for testing suspension suspensibility through a gravity center method by using the apparatus. The apparatus and the method have the following characteristics that: test data is accurate, error is low, multiple test consistency of the same suspension is good, and suspensions with different suspensibilities can be well distinguished.
Owner:山东慧敏科技开发有限公司

Portable pressure testing system having in situ observation and continuously testing functions

A portable pressure testing system having in situ observation and continuously testing functions comprises a host testing system, which comprises a working platform adjusting module, a pressure testing module, an in situ observation module and a mounting and fixing module, wherein the working platform adjusting module comprises a working platform and a working platform lifting adjustment assembly, the working platform is connected to the working platform lifting adjustment assembly, the in situ observation module and the pressure testing module are coaxially mounted on a swivel plate of the working platform with respect to each other at a fixed angle, the swivel plate is connected to a switching and driving assembly used for driving the swivel plate to rotate for the fixed angle to implement switching between a pressure mode and an observation mode, and the working platform is fixed on the mounting and fixing module used for locating the entire testing system on a surface of an object to be tested. The invention provides a portable pressure testing system having in situ observation and continuously testing functions which can effectively achieve in situ observation, implement continuously testing, and improve testing efficiency and testing accuracy.
Owner:ZHEJIANG UNIV OF TECH

Suspension suspensibility measurement apparatus and method for testing suspension suspensibility through gravity center method

The present invention relates to a suspension suspensibility measurement apparatus and a method for testing suspension suspensibility through a gravity center method. The apparatus comprises a long tube-shaped test container, a clamper, a force measurement sensor and a support, wherein the clamper is clamped on the upper end of the test container, the test container is supported by the support through the clamper so as to incline the test container at a certain angle theta, the bottom end of the container is placed on the center of a test end of the force measurement sensor, and a center axis line of the test end is perpendicular to the horizontal plane. The invention further provides a method for testing suspension suspensibility through a gravity center method by using the apparatus. The apparatus and the method have the following characteristics that: test data is accurate, error is low, multiple test consistency of the same suspension is good, and suspensions with different suspensibilities can be well distinguished.
Owner:山东慧敏科技开发有限公司

Constant temperature and isopiestic pressure type thermal battery electric performance test system and test method thereof

InactiveCN110212209AReduce the impact of electrical performance testingPrevent oxidationCells cooling/heatingElectrical testingElectricityPressure system
The invention discloses a constant temperature and isopiestic pressure type thermal battery electric performance test system and a test method thereof. The test system comprises an electric performance test system and a test device arranged inside a glove box, wherein the test device comprises a constant temperature and isopiestic pressure system and a thermal battery assembly system which are matched with each other; the constant temperature and isopiestic pressure system comprises a first heating furnace plate and a second heating furnace plate between which a gap is formed; the first heating furnace plate is connected with a pressure machine, and the thermal battery assembly system is arranged between the first heating furnace plate and the second heating furnace plate; the thermal battery assembly system comprises a conducting clamp which is positioned between the first heating furnace plate and the second heating furnace plate and is electrically connected with the electric performance test system; and the conducting clamp is internally provided with a thermal battery. According to a single thermal battery discharge system and the test method disclosed by the invention, the disadvantages of an existing single thermal battery discharge test system are overcome, the thermal battery can be activated quickly, the system has relatively ideal single thermal battery discharge conditions, and the uniformity of single thermal battery discharge can be improved greatly.
Owner:INST OF ELECTRONICS ENG CHINA ACAD OF ENG PHYSICS

Intelligent garment

The invention discloses an intelligent garment. The intelligent garment comprises a garment body, a body temperature sensor with waterproofing measures, an air inflation air bag and an intelligent hardware module, wherein the body temperature sensor with waterproofing measures is arranged on the garment body, and the air inflation air bag is arranged at the upper arm of the garment body; an air inflation hole is formed in the air inflation air bag; the intelligent hardware module is detachably connected to the air inflation hole for providing adjustable air pressure for the air inflation air bag; the body temperature sensor with waterproofing measures is detachably connected with the intelligent hardware module through a lead. The intelligent garment realizes the function of various use modes, the continuous testing for the blood pressure based on the garment can be realized, and a sphygmomanometer for continuously testing blood pressure which is used independently also can be formed through independent use with the air inflation air bag.
Owner:上海振道科技有限公司

Bending element system used for continuously testing wave velocity of soft soil in situ

The invention relates to a bending element system used for continuously testing a wave velocity of soft soil in situ, which comprises a drill rod and a probe, wherein the probe is connected to one endof the drill rod; the bending element system also comprises a signal generator, a signal acquisition device and an upper computer; the probe comprises a transmitting end sensor and a receiving end sensor, the bottom of the probe is provided with an annular steel knife, both the transmitting end sensor and the receiving end sensor are bending element sensors, and are respectively connected to thesignal generator and the signal acquisition device, both the signal generator and the signal acquisition device are connected to the upper computer; a waveform signal is generated by the signal generator and is transmitted by the transmitting end sensor, and the receiving end sensor analyzes the acquired waveforms through the signal acquisition device, and then a wave velocity is calculated by theupper computer. In comparison with the prior art, the bending element system of the invention adopts the probe with a reasonable structure, which can be safely and reliably penetrated into the deep part of the soil body, thereby realizing test for the deep soil body.
Owner:TONGJI UNIV

Underground fixed liquid level testing device

The invention discloses an underground fixed liquid level testing device. The underground fixed liquid level testing device comprises an underground instrument and a ground control box, wherein the underground instrument mainly comprises a sounding device and a data acquiring device; the ground control box mainly comprises a ground computer terminal and a nitrogen bottle; the nitrogen bottle is connected to the sounding device of the underground instrument through a gas pipe for sounding in a well; the data acquiring device comprises a sound sensitive sensor, a pressure sensor and a core control circuit arranged in the well; the sound sensitive sensor and the pressure sensor are connected with the core control circuit; the core control circuit receives and stores data acquired by the sound sensitive sensor and the pressure sensor; and the core control circuit is connected with the ground computer terminal through an optical cable. The underground fixed liquid level testing device can realize continuous testing of a liquid level in an oil well, can satisfy the requirements of maritime safety production, and can solve the current situation of incapability of testing the liquid level due to the installation of a cable packer in a maritime electric pump well.
Owner:CHINA PETROLEUM & CHEM CORP +1

Thermal battery monomer battery testing device and testing method

The invention belongs to the technical field of thermal battery testing, and particularly relates to a thermal battery single battery testing device and a thermal battery single battery testing method. The device comprises a single battery assembling system and a single battery electrical property testing system, the single battery assembly system comprises a first stainless steel bracket, a motor, an upper pressure plate, an upper insulating sheet, an upper current collecting sheet, a second stainless steel bracket, a material pushing and returning device, a single battery, an anti-overflow ring, a stainless steel sheet, a lower current collecting sheet, a lower insulating sheet, a lower pressure plate, a pressure sensor and a heating furnace. A single battery assembly system does not need to be repeatedly assembled during each test such that the assembly and test difficulty of the single battery is greatly simplified, and the consistency of test conditions of the single battery is ensured; the constant-temperature system and the constant-pressure system are separately arranged such that the heating device cannot be damaged under high pressure, and the respective working stabilityof the two systems is guaranteed.
Owner:SHANDONG ZHONGSHAN PHOTOELECTRIC MATERIAL CO LTD

Device for measuring suspension property of turbid liquid, and method for testing suspension property of turbid liquid by centroid method

The invention relates to a device for measuring suspension property of turbid liquid, and a method for testing suspension property of turbid liquid by a centroid method. The device for measuring the suspension property of the turbid liquid comprises a long tubular test container, a clamp, a tension sensor and a bracket, wherein the tension sensor is fixed on the bracket; the clamp is clamped at the upper end of the test container; the clamp is connected with the test end of the tension sensor; the bottom end of the test container is placed on a bracket platform; and the test container and the horizontal plane form a certain included angle theta. The invention also provides the method for testing the suspension property of the turbid liquid by the centroid method by utilizing the device. The method is accurate in test data, small in error, good in consistency for testing for a plurality of times, and suitable for manual measurement and automatic measurement of a microcomputer.
Owner:山东慧敏科技开发有限公司

Test device used for fuel cell engine

The invention relates to a test device used for a fuel cell engine. The device comprises a support framework and a test unit arranged on the support framework. The test unit comprises a hydrogen supply system, a nitrogen supply system, a compressed air supply system, a water supply system, a tail exhaust system, an electronic load, and an electronic control system which are connected to the fuel cell engine respectively. Compared with the prior art, by using the device of the invention, the real operation condition of the fuel cell engine on a vehicle can be fully simulated; before truck loading, the correlation performance parameter of the fuel cell engine is tested, and test efficiency is high; and the continuous testing of the fuel cell engine can be realized and a test result is accurate and reliable.
Owner:SHANGHAI SHENLI TECH CO LTD

Equipment for testing stability of power cabinet

The invention relates to testing equipment, and especially relates to equipment for testing the stability of a power cabinet. A technical problem to be solved in the invention is to provide the equipment for testing the stability of the power cabinet, wherein the equipment is short in consumed time, is simple in testing process and is not liable to damage a tested article. In order to solve the above technical problem, the equipment provided by the invention comprises a bottom plate. The bottom of the top plate is provided with an N-shaped frame, wherein the N-shaped frame is provided with a fixed mechanism, and the right side of the top of the N-shaped frame is provided with a testing mechanism. Through the cooperation of the fixed mechanism and the testing mechanism, the equipment achieves the testing of the stability of the power cabinet placed on the bottom plate. Meanwhile, the equipment achieves the effects that the consumed time, the testing process is simple and the tested article cannot be easily damaged through the optimization of a prompt mechanism and a resetting mechanism.
Owner:陈萌

Leakage testing device and leakage testing method

The invention relates to the technical field of leakage testing, and discloses a leakage testing device which comprises a pressurizing cylinder (21) and a pressure receiving cylinder (22) communicating with a tested valve (4), wherein a piston rod of the pressurizing cylinder (21) is connected with a moving rod of the pressure receiving cylinder (22) in series, so that the piston rod of the pressurizing cylinder (21) drives the moving rod of the pressure receiving cylinder (22) to move axially when moving axially, or the moving rod of the pressure receiving cylinder (22) drives the piston rodof the pressurizing cylinder (21) to axially move when moving axially. The leakage testing device of the invention has the beneficial effects that: the piston rod of the pressurizing cylinder and themoving rod of the pressure receiving cylinder are fixedly connected together, so that under the action of cooperation of the pressurizing cylinder and the pressure receiving cylinder, the piston rod of the pressurizing cylinder and the moving rod of the pressure receiving cylinder move axially at the same time, the leakage amount of the tested valve can be obtained according to the movement amountof the moving rod and the piston rod which are connected together, therefore, the leakage testing device is high in measuring precision, is capable of achieving continuous test, and is simple in structure and easy to implement.
Owner:ZOOMLION HEAVY IND CO LTD

Reservoir area hydro-fluctuation belt degradation simulation system

ActiveCN111948241AMitigate the risk of secondary geological hazardsImprove early warning and forecasting capabilitiesAnalysis using nuclear magnetic resonanceNMR - Nuclear magnetic resonanceHeating system
The invention relates to the field of geological disaster research, in particular to a reservoir area hydro-fluctuation belt degradation simulation system. The device comprises an experiment box, a nuclear magnetic resonance signal processor for collecting proton energy level transition information of a sample excited and received in the experiment box, a flow controller for collecting and controlling physical quantity change in the experiment box, an air pressurizing and heating system for increasing the temperature in the experiment box, and a liquid nitrogen system for reducing the temperature in the experiment box, the water level control system is used for injecting water into the experiment box; the drainage system is used for draining liquid and reducing pressure in the experiment box; the upper computer is used for analyzing and processing all experiment data; according to the technical scheme, rock mechanical property changes of the hydro-fluctuation belt rock mass under different water levels, different pressures and different temperature environments, the destructive effect of pore water on the rock mass and the degradation effect of dry-wet circulation on the rock massare simulated, so that the ecological restoration capacity and the landscape reconstruction capacity of a bank slope of a reservoir area are improved, and the secondary geological disaster risk of thereservoir area is reduced; the geological disaster early-warning and forecasting capability is improved, and the life and property safety of people is guaranteed.
Owner:SOUTHWEST UNIVERSITY +1

Magnetic induction sensor automatic test system and test method

The invention discloses a magnetic induction sensor automatic test system and test method; the magnetic induction sensor automatic test system comprises a frame, a test module, a measurement and control module and an inferior-quality product recovery module, and the frame is provided with a test platform; the test module comprises a mounting frame, a sensor clamp, a test body and a test driving device, the mounting frame is fixedly arranged at the top of the test platform, the sensor clamp is fixedly arranged at the top of the mounting frame and used for fixedly placing a to-be-tested magneticinduction sensor, the test body is movably arranged on the mounting frame, and the test body can be provided with a magnetic part; the test driving device is in transmission connection with a test body and can drive the test body to move relative to the mounting frame so as to drive the magnetic part to move relative to the sensor clamp; the measurement and control module is connected with the test driving device and can be detachably connected with the magnetic induction sensor; the inferior-quality product recovery module is provided with an inferior-quality product recovery inlet and an inferior-quality product detection device. The inferior-quality product detection device is arranged at the inferior-quality product recovery inlet and connected with the measurement and control module.
Owner:苏州微测电子有限公司

Test tool of macrobend losses of fiber and test method thereof

The invention, which belongs to the field of fiber test, discloses a test tool of macrobend losses of a fiber and a test method thereof. The test tool comprises a plurality of test assemblies. Each test assembly includes a transmission mechanism and a fiber winding column; the multiple fire winding columns in the plurality of test assemblies have different diameters. The transmission mechanisms are configured to drive the fiber winding columns to move. Therefore, macrobend loss testing of different bending radiuses can be carried out on the fiber continuously. Moreover, the test tool has advantages of simple structure, great convenience in operation and high efficiency and can be widely applied to the field of optical fiber testing.
Owner:ZHONGTIAN TECH FIBER OPTICS +2

Pressure testing device for sensor production

The invention discloses a pressure testing device for sensor production, and the device is provided with an electric push rod, a strip-shaped plate, a vertical plate, a rack, a first bevel gear, a second bevel gear, a rotating cylinder, a ratchet wheel, a bevel gear disc, and a carrying disc which are connected or engaged with each other, and can drive the carrying disc to rotate through the transmission of the above parts when the electric push rod drives a pressing plate to move upwards, so that one placing mechanism on the loading disc rotates along with the loading disc and is finally located under the pressing plate, a to-be-tested sensor can be placed on the placing mechanism when a previous sensor is subjected to pressure testing, namely, when the previous sensor is subjected to testing, a next to-be-tested sensor is installed and fixed, and waits for testing. Through the above arrangement, continuous testing of the sensors can be realized, testing of one sensor and installation and fixation of another sensor can be simultaneously carried out, and the fixed to-be-tested sensor can be rapidly transferred to a testing position for testing, so that the testing efficiency can be greatly improved.
Owner:ELECTRIC POWER RES INST OF GUANGXI POWER GRID CO LTD

Ultraviolet testing machine

The invention relates to an ultraviolet testing machine comprising a bench frame and a three-axis testing device. The three-axis testing device installed on the bench frame consists of an x-axis translation assembly, a y-axis translation assembly and a z-axis translation assembly; an ultraviolet test probe is fixedly installed at a second sliding block of the y-axis translation assembly; and an ultraviolet lamp fixture is fixedly installed at a third sliding block of the z-axis translation assembly. Therefore, three-axis synchronous testing of the ultraviolet testing machine is realized.
Owner:XIAMEN SHIRUI OPTOELECTRONICS TECH CO LTD

Programmable blood glucose meter automatic test calibration device and calibration method

ActiveCN112505315BSolve the time-consuming and labor-intensive problem of manual measurementEnable continuous testingElectrical testingBiological testingMeasurement testControl signal
The invention provides a programmable blood glucose meter automatic test calibration device and a calibration method, the device includes a single-chip microcomputer, a plug test circuit and a position measurement test circuit; the plug test circuit and the position measurement test circuit are respectively connected to the IO connected to the port; the plug-in test circuit is connected to the plug-in line of the blood glucose meter through the built-in plug-in wire, and connected to the ground wire of the blood glucose meter through the built-in special ground wire, which is used to control the electromagnetic The mechanical switch connects the plug-in wire of the plug-in test circuit with the special ground wire, and simulates the blood glucose meter to complete the plug-in start-up action; the position-measurement test circuit is connected to the position-measurement line of the blood glucose meter through the position-measurement line with a preset resistance in series, The built-in special grounding wire is connected to the grounding wire of the blood glucose meter, which is used to control the electromagnetic mechanical switch according to the control signal output by the IO port of the single-chip microcomputer, so that the position measuring line in the position measurement test circuit is connected to the special ground wire, and the accuracy of the blood glucose meter is checked. Measurement.
Owner:北京华益精点生物技术有限公司

Method for detection of metal elements in liquid crystal materials

The invention discloses a method for detecting metal elements in liquid crystal materials, which includes the following steps: sample sampling: after splitting the thin film transistor liquid crystal display panel, use a scraper to scrape the liquid crystals on the side of the TFT substrate and the side of the CF substrate respectively, and collect the liquid crystals accurately with a balance Weigh the test sample; sample pretreatment: use solvent dilution method to dilute the test sample 8 to 12 times to obtain the analysis solution; send the analysis solution into an inductively coupled plasma mass spectrometer such as inductively coupled to detect metal elements in liquid crystal materials , quantified by external standard method. The metal element detection method of the liquid crystal material of the invention can quickly and accurately analyze the concentration of the metal element in the liquid crystal.
Owner:TCL CHINA STAR OPTOELECTRONICS TECH CO LTD
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