62results about How to "Continuous testing" patented technology

The invention relates to a rock sample detection and data acquisition system. The system can realize elastic parameter test of a rock sample in the state of gas adsorption; in the system, a three-shaft pressure cabin is connected with a gas supply and metering control device for absorbing samples in the cabin and accurately metering absorption quantity, moreover, an ultrasonic transducer is installed on a cap of the (high) pressure cabin and integrated with an ultrasonic wave transmitting/receiving device so that the test of elastic parameters of methane absorption on coal can be realized truly. The system can automatically and continuously test in the processes of gas absorption and gas enrichment, thereby ensuring a consistent test environment, acquiring an absorption quantity and elastic parameter relation curve, improving test accuracy and efficiency and saving test time and cost. The rock sample detection and data acquisition system integrates methane enrichment mechanism simulation and rock physical property test, can be applied to seismic prospecting method research on coalbed methane and shale gas, mine advanced detection, coal mine safety research and the like.

The invention relates to an expansion/shrinkage stress testing device for a cement-based material, which comprises an inner circular ring and an outer circular ring which are coaxial and have the same height, and a stress testing device and a data acquisition device which are electrically interconnected, wherein the inner circular ring and the outer circular ring are made of the same material; and the stress testing device comprises a plurality of test stress plates which are distributed evenly along the circumferential direction on the outer surface of the outer circular ring and the inner surface of the inner circular ring and are electrically connected with the data acquisition device. When the testing device is used, the cement-based material (such as pure slurry, mortar or concrete) is cast between the two rings. The expansion and shrinkage stress can be calculated according to the analysis of material mechanics by measuring the stress. Compared with the prior method, the testing device has the main advantages that: a, the testing device is simple, and simple and convenient to operate; b, the restraint stress is even; and c, the testing of starting self water addition molding can be implemented, the testing process needs no manpower to move the test piece, and continuous and automatic test can be realized.

The invention relates to a method for testing expansion/contraction stress of a cement-based material, which adopts a device for testing the expansion/contraction stress of the cement-based material is adopted. The device comprises inner and outer circular rings which are coaxially arranged and have the same height, and a strain testing device and a data acquisition device which are mutually electrically connected, wherein the materials of the inner and the outer circular rings are the same; the strain testing device comprises a plurality of testing strain gauges; the strain gauges are distributed on the external surface of the outer circular ring and the internal surface of the inner circular ring uniformly along a circumferential direction, and each testing strain gauge is electrically connected with the data acquisition device; the cement-based material is poured between the inner and the outer circular rings, and the strain of the inner and the outer circular rings is tested; and the expansion/contraction stress at a position where the internal radius of the cement-based material is r is calculated according to a formula (I). The method has the advantages that a, the test device is simple, and the operation is simple and convenient; b, restraint stress is uniform; and c, the method can test at the initial stage of watering moulding without moving test specimens, and continuous and automatic test.

The invention relates to the field of machinery, and in particular provides a device for automatically continuously testing soil microbial respiration. The device comprises a constant temperature culture system, a CO2 initial concentration control and gas sampling system and a CO2 concentration analyzer. The device can adjust CO2 concentration and gas flow and flow velocity in the device at the beginning of a test according to requirements, and has a function of automatically switching different test specimens. By the device, the indoor soil microbial respiration can be quickly and continuously tested on line successfully, and the device can be widely applied to the related fields of soil carbon turnover, microorganisms and the like.

The invention aims to solve the problem that an existing testing system is difficult to realize sustained load application on concrete and the coupling process of capillary water absorption and discloses a device and a method for testing the concrete surface capillary water absorption under sustained load functions. The test device comprises a water supply unit, a horizontal observation unit, a hollow test piece unit and a steel plate. The test method comprises the steps that the upper end and the lower end of the hollow test piece unit are sealed, and the hollow test piece unit is connected with a water pipe of the water supply unit and the observation unit and is sealed and fixed; after an observation pipe is adjusted to be level, sustained load is applied and water is injected; the initial value of the position of the water column in the pipe and the variation along the time are recorded and observed. The method is easy to operate, the device structure is ingenious, real-time and continuously accurate measurement of the concrete accumulated water absorption process under the sustained load functions is realized, the accumulated capillary water absorption curve is obtained by the measurement under set time and load functions, and the capillary water absorption test research of the concrete material under the sustained load functions and the durability estimation of a practical engineering structure can be carried out.

The invention discloses a dynamic medium/low-speed maglev line current-feeding contact rail detection device and method. The detection device comprises four laser sensors mounted on the same rigid framework, wherein the first laser sensor and the third laser sensor respectively irradiate the outer side face and top surface of contact rails on the left and right sides; the second laser sensor and the fourth laser sensor are used for measuring the track gauge of the F rails and the relative distance between the F rails and the two laser sensors. The detection device disclosed by the invention is high in measurement accuracy, small in errors, capable of realizing continuous tests and high in real-time property.

A semiconductor integrated circuit device includes test data output nodes arranged in a width of a plurality of bits and an internal data bus, greater in bit width than the test data output nodes, for transferring internal data. A predetermined number of bits of the internal data on the internal data bus are compared with bits of test expected value data equal in bit width to the test data output nodes for each bit. The predetermined number of bits of the internal data are selected in accordance with a test address signal. The bits selected is compared with the respective bits of the test expected valued data. Data indicating respective comparison results are output to the test data output nodes in parallel.

Disclosed are pharmaceutical dosage unit manufacturing process control apparatus and methods. These can include acquiring a plurality of multi-pixel images of a flow of pharmaceutical dosage units at different wavelengths along an axis that is perpendicular to a direction of the flow of pharmaceutical dosage units, processing the images acquired in the step of acquiring, and providing an indication about the flow of pharmaceutical dosage units based on the step of processing.

The invention belongs to the technical field of transmission, and discloses a harmonic drive reducer and transmission system and a detection method thereof. The harmonic drive reducer and transmissionsystem comprises a noise detection module, a bearing detection module, a rigidity detection module, a master control module, a transmission speed ratio calculation module, a lifetime forecast module,a detection data storage module and a display module. On-line or off-line measurement can be directly performed by the rigidity detection module according to actual working data of a device, and a special experiment measurement device is not needed; a special test device can be omitted, the cost is greatly reduced, and the device research efficiency is improved; and meanwhile, the transmission error detection accuracy of a harmonic reducer is improved by the lifetime forecast module, and the reliable lifetime estimation accuracy of the harmonic reducer is further improved.

The invention relates to a mutual inductor on-site inspection tester which comprises a voltage measuring circuit, an error computing displaying control circuit, a voltage displaying circuit, a relay and an error displaying circuit. The voltages displaying circuit is connected with the output end of the voltage measuring circuit. The error displaying circuit is connected with the output end of the error computing displaying control circuit. One end of the relay is controlled by the error computing displaying control circuit. The other end of the relay is connected with a load and a mutual inductor. The voltage measuring circuit detects the secondary voltage value of the mutual inductor, detected data are transmitted to the error computing displaying control circuit through a communication bus, the error computing displaying control circuit carries out voltage error computing, and then the data are displayed through the voltage displaying circuit and the error displaying circuit. The mutual inductor on-site inspection tester can reflect the operation quality of a TV, one-time power failure is of no need, operation on site is easy, safety measures are not higher than the requirement of on-site meter correction, and meter correction can be carried out at the same time.

The invention provides a chip testing socket. The socket comprises a base, an upper cover, a temperature sensor and a heating element; the upper cover is relatively fixed to the base through a fixingassembly; a first groove is formed in the center of the upper surface of the base and is used for containing a chip to be tested; a first spring probe set is arranged on the periphery of the bottom surface of the first groove, one end of the first spring probe set is used for being in contact with a pin of the chip to be tested, and the other end of the first spring probe set extends out of the bottom surface of the base and is used for being electrically connected with a PCB; a second groove is further formed in the bottom of the first groove; the temperature sensor is arranged in the secondgroove, so that when the chip testing socket works, the temperature sensor is in contact with the chip to be tested; a second spring probe set is arranged on the bottom surface of the second groove, one end of the second spring probe set is used for being in contact with a pin of the temperature sensor, and the other end of the second spring probe set extends out of the bottom surface of the baseand is used for being electrically connected with the PCB; and the heating element is connected with an external power supply through a power line and is used for heating the chip to be tested. According to the chip testing socket, the heating period of the chip is shortened to be a few minutes, the temperature measurement is more accurate and faster, and the continuous testing is facilitated.

A viscous adhesive material can be used for fastening electronic components on a planar surface, such as a substrate. The adhesive material emits or reflects electromagnetic radiation of the visible spectral range, or a range adjacent to the visible range.

The invention relates to a method for optimizing the layout of sudden pollution distribution detection points of a central air conditioning duct system. The method comprises the following steps: building a network dynamics model of a central air conditioning duct system; randomly generating a detection point layout position set as an initial population; with minimizing the time for pollutant detection in the network dynamics model as an objective function, optimizing the generated initial population through a genetic algorithm; and taking an optimization result obtained as the layout scheme of sudden pollutant distribution detection points of the central air conditioning duct system. Compared with the prior art, the method has the advantages of optimal layout of detection points, shortest detection time for pollution, and cost saving.

The invention belongs to the technical field of measurement and analysis, and particularly relates to a relay accelerated storage degradation experiment parameter test analysis system and a test method, and is suitable for a universal electromagnetic relay. The system comprises an accelerated degradation experiment environment simulation experiment box, a load box, a relay storage degradation parameter measurement and control box, a lower computer, an upper computer and a PC. The storage degradation parameter test system has the function of testing the action voltage, the action time, the release voltage, the release time, the bounce time, the coil resistance and the contact resistance (or contact voltage drop) of the relay in the accelerated storage degradation experiment process. The method comprises the steps that firstly, the relay is placed in the accelerated storage degradation experiment environment simulation constant-temperature box, the humidity and the temperature needed by the accelerated storage experiment are set in the lower computer, and the upper computer calculates, stores and analyzes collected data for evaluating the storage reliability of the electromagnetic relay.

The invention discloses a supercritical anti-corrosion testing device, and relates to the technical field of supercritical water oxidation. The supercritical anti-corrosion testing device is used for enabling testing to be conducted in a continuous and long-period mode when anti-corrosion capacity testing is conducted on materials of a supercritical water oxidation device. The supercritical anti-corrosion testing device comprises a testing kettle and a testing rack arranged in the testing kettle which is provided with a feed opening and a discharge opening, the side wall of the testing kettle is further provided with an adjustable heating device, the adjustable heating device comprises a low-temperature heating portion corresponding to a salt settling area and a high-temperature heating portion corresponding to a testing area, the heating temperature of the high-temperature heating portion is larger than supercritical temperature of a solution, and the heating temperature of the low-temperature heating portion is smaller than the supercritical temperature of the solution. A supercritical anti-corrosion testing method adopts the supercritical anti-corrosion testing device for conducting supercritical anti-corrosion testing on test pieces. The supercritical anti-corrosion testing device is used for conducting anti-corrosion capacity testing on the materials of the supercritical water oxidation device.

The invention discloses a continuous factory boundary characteristic pollutant monitoring device. A remote communication module is connected with a lightning protection device with a sealed inert gaspower discharge tube; a detection module is connected with an electrochemical sensor, a photo-ion gas sensor and a semiconductor sensor; the electrochemical sensor is used for detecting inorganic toxic gases; the photo-ion gas sensor is used for detecting volatile organic compounds; the semiconductor sensor is used for detecting trichloromethane; a zero calibration module is connected with a zerogas generation device; the zero gas generation device is used for reducing concentrations of hydrocarbon and inorganic compounds in the air to be less than a sensor detection limit; a sampling moduleis connected with a main sampler; an insert prevention net and a filter are arranged inside the main sampler; a pretreatment module is connected with a moisture separation component, a purification component and a valve island allocation component; the moisture separation component is provided with a vacuum pump and a drier; the valve island allocation component is connected with a purification tube. By adopting the device, disorder discharge factory boundary concentrations of companies can be monitored in real time, and environment quality situations and change trends can be accurately monitored.

The invention discloses a harmonic reducer static stiffness and hysteretic curve precision test device and test method, relates to the technical field of harmonic reducers, and adopts a worm and gear loading mechanism to replace a weight to apply torque to a harmonic reducer so as to reduce errors caused by human factors in the test process. The test device comprises a worm and gear loading mechanism, a torque sensor, an angle encoder and a fixing mechanism used for fixedly installing the harmonic reducer. The worm and gear loading mechanism, the torque sensor, the angle encoder and the harmonic reducer are connected in sequence. The worm and gear loading mechanism is used for gently applying torque force to the harmonic reducer; the torque sensor is used for collecting torque force applied by the worm and gear loading mechanism in real time; the angle encoder is used for collecting the output rotation angle of the harmonic reducer under the stress effect in real time.

The invention provides a device and a method for measuring high-salt water, and belongs to the field of high-salinity water sample measurement. The device for measuring the high-salt water comprises a displacement system, vaporizing chambers and a multi-path air flue system; at least two vaporizing chambers are arranged on the displacement system; and each vaporizing chamber is connected with the multi-path gas channel system. According to the invention, switching among the plurality of vaporizing chambers is realized, after one sample is tested, the vaporizing chambers and the electromagnetic valves connected with the vaporizing chambers can be switched in time, and the problem that the measurement accuracy is influenced by salt accumulation is effectively avoided. The multi-position vaporizing chambers are convenient to disassemble and assemble, the vaporizing chambers after testing can be cleaned in time, so that samples can be continuously measured, the testing efficiency is greatly improved, and the device and the method have important practical significance.

The invention relates to a high-temperature tester for a lead frame. The high-temperature tester for the lead frame comprises a base. A cover board is disposed on the base. A groove fitting with the lead frame is disposed on the upper end face of the base. Two ends of the groove are provided with a feed inlet and a discharge outlet respectively. An elongated stirring hole is arranged in the cover board, is located right above the groove and corresponds to a small hole of the lead frame. A heating groove is arranged in the middle of the bottom of the base, and a heating bar is arranged in the heating groove. A pressure board is disposed on the lower portion of the heating bar and is connected with the base. A temperature measuring area is arranged on the cover board right above the heating bar, and a temperature tester is disposed in the temperature measuring area. Vent tubes are disposed on two sides of the base and are communicated with the groove. The high-temperature tester for the lead frame is applicable to high-temperature testing of the lead frame.

The invention discloses a gas supply device and a high-simulation-degree HME moisture loss tester and belongs to the technical field of heat and moisture exchanger performance testing. The gas supply device structurally comprises a crank, a slider and a cylinder. The crank is fixedly connected with a driving rotary shaft. A long-strip-shaped slide way is formed in the portion, on one side of the driving rotary shaft, on the crank, the slider is installed in the slide way, and the slider can move along the slide way and can be positioned in the slide way. One end of the cylinder extends out of a piston rod, and the other end of the cylinder is provided with a gas flow conveying pipe communicated with the inside of the cylinder. The tail end of the piston rod is connected to the slider in a rotary mode. A supporting table is arranged under the tester, and the gas supply device is installed on one side of the supporting table. The gas supply device can generate standard sine wave gas flow, the respiration condition of a patient is truly simulated, and the simulation degree of an HME is improved.

The invention provides a manual-transmission testing device capable of controlling the swing angle of a shift lever and acquiring signals of dragline travel distance and shift-lever handfeel at the angle. The manual-transmission testing device comprises a control unit, a manual-transmission mounting seat (1), a first swing mechanism, a second swing mechanism and a stay wire sensor (3). A first electric cylinder (6) is used for driving a first supporting piece (5) to swing around a first rotating shaft (4), and the first rotating shaft (4) is connected with a first rotating sensor (7). A second electric cylinder (10) is used for driving a second supporting piece (9) to swing around a second rotating shaft (8), and the second rotating shaft (8) is connected with a second rotating sensor (11). The second supporting piece (9) is provided with a manipulator used for fixing a gear-shifting handle (12) of a manual transmission (2). The manipulator is provided with a force sensor (14). The first rotating shaft (4) is perpendicular to the second rotating shaft (8). The stay wire sensor (3) is electrically connected with the control unit.