169 results about "Test kit method" patented technology

A thermographic test method locally resolves detection and identification of defects near the surface in a test object. A surface area of the test object is heated up. A series of thermographic images following one after another at a time interval is recorded within a heat propagation phase, each image representing a local temperature distribution in a surface region of the test object recorded by the image. Positionally correctly assigned temperature profiles are determined from the images, each positionally correctly assigned temperature profile being assigned to the same measuring region of the test object surface. Variations over time of temperature values are determined from the temperature profiles for a large number of measuring positions of the measuring region. These variations are evaluated on the basis of at least one evaluation criterion indicative of the heat flow in the measuring region.

The invention provides a test system and a test method. The testing system comprises a test fixture, a test device and a differential tunable matching network, wherein the test fixture is provided with a bearing structure for loading a chip to be tested and a test port electrically connected to the chip to be tested; the test device comprises a radio frequency signal source, a receiving unit and a processing and display unit; the radio frequency signal source is provided with at least one radio frequency test port; the receiving unit is used for at least receiving a reflected signal and a transmitted signal which are generated after a radio frequency signal passes through the chip to be tested; the processing and display unit is used for processing the received radio frequency signal and displaying the processed signal; and the differential tunable matching network is provided with an input port and a differential output port and is used for tuning the impedance of a load end including the chip to be tested to make the impedance of the load end matched with the internal resistance of the test device and providing the test device to measure the characteristic of the chip to be detected in the test fixture. Compared with the prior art, the invention has the advantages that: the differential tunable matching network is provided for realizing impedance matching, the test system and the test method are easy and convenient to operate, and a more accurate test result can be acquired.

The invention discloses a grouting simulating test device and a test method thereof, and belongs to the field of indoor grouting simulating test. The grouting simulating test device comprises a pressurizing system and a grouting permeating device, wherein the pressurizing system comprises a pressurizing air pump, a mortar storage bucket and a pressure gauge, a stirrer is arranged in the mortar storage bucket, and the upper part and lower part of the mortar storage bucket are respectively provided with a mortar inlet and a mortar outlet which are communicated with the pressurizing air pump and the grouting permeating device; the grouting permeating device comprises an inner cylinder and an outer cylinder, and water permeating holes are distributed in the wall of the inner cylinder; a grouting pipe is arranged at the top part of the grouting permeating device and extends into the grouting permeating device, the exterior of the grouting pipe is provided with external threads, and a porous separating plate is sheathed at the exterior of the grouting pipe, and can move vertically; holes are formed in the bottom part of the grouting permeating device, and the upper part of the grouting permeating device is provided with water permeating stones. The grouting simulating test device has the advantages that the grouting simulating test device can be used for grouting simulating test of multiple soil layer overlying conditions, different filling and building conditions and water-containing soil conditions; the operation of the test method is simple, multiple working conditions can be simulated, the grouting simulating effect is approximate to the actual condition, and the grouting effect is visual and visible.

Provided is a test apparatus that tests a device under test including an optical coupler transmitting optical signals in a direction perpendicular to a device surface. The test apparatus comprises a substrate on which the device under test is to be loaded; an optical transmission path that transmits the optical signals: and a lens section that is provided facing the optical coupler on the substrate and that focuses the optical signals from an end of one of the optical coupler and the optical transmission path to an end of the other.

The invention provides a test method and a test system. A testing unit receives testing commands which are sent by an upper computer and include testing content, analyzes the testing commands, and distributes the testing commands to a testing module which corresponds to the testing content of the testing commands. The corresponding testing module outputs testing signals which correspond to the testing content to a detected unit according to the testing commands and feeds testing output commands back to the upper computer. The upper computer sends reading port status commands to the detected unit after the upper computer receives the testing output commands. The detected unit reads port status information according to the reading port status commands after the detected unit receives the reading port status commands and feeds the port status information back to the upper computer. The upper computer produces testing results through comparing output commands with the port status information. The test method and the test system enable testing procedures to be easy compared with the prior art, wherein corresponding testing signal sources are needed to be exchanged according to different controller models in the prior art.

The invention discloses a remote fluorescent powder performance test device and a test method, and relates to fluorescent powder. The remote fluorescent powder performance test device is provided with an integration ball, a cosine collector, a blue light LED (light emitting diode) source, a light reflection cup, a fluorescent powder sheet / silica gel sheet, a TEC (triethyl citrate) temperature control clamp, a constant-current source, a spectrometer, a computer and a base, wherein the integration ball is fixed on the base and is provided with a light inlet and a light outlet; the cosine collector is connected with the spectrometer through an optical fiber at the light outlet and is used for collecting incident light; the output end of the spectrometer is connected with the computer and is used for spectrum collection and data analysis; the blue light LED source is connected with the constant-current source, serves as an exciting light source and is fixed on the TEC temperature control clamp, so that the stability of the light source is guaranteed through temperature control; the light reflection cup is fixed on the blue light LED source and achieves a light focusing effect; the fluorescent powder sheet / silica gel sheet is attached to the light reflection cup; the blue light LED source excites fluorescent powder to generate yellow light, and the yellow light and penetrating blue light are blended to synthesize white light.

An automated test method for performing a hi-pot test procedure for an electrical device through the use of a test program installed in a factory information system (FIS) and a test instrument connected to the FIS. The test program sends a control command to the test instrument that in turn executes the hi-pot test for the electrical device. Test results are obtained by the test program from the test instrument and sent to the FIS. The test results are stored in the FIS for future reference.

The invention discloses a chip with a scan chain test function. The chip comprises a plurality of scan chains, a combination circuit, a test mode and function module parameter configuration module, a parameter latch trigger chain formed by connecting a plurality of triggers in series and a parameter setting control module. Test mode and function module parameter control words are moved into the trigger chain under the control of the parameter setting control module and latched to the output end of each trigger to provide control value for the test mode and function module parameter configuration module to configure test mode and function module parameter. A corresponding test method is further disclosed. By means of the technical scheme, the chip can effectively improve test covering rate of the combination circuit of the chip and reduce occupation of pins in a chip scanning test.

The invention provides a test system and test method for fault positioning and system performance test of wireless communication system, the invention may be easier to obtain the information interaction between the tested system and simulation system through the simulation for the opposite end system of tested system in wireless communication system to ensure the normal running of tested system; through divided the tested system into the multiple functional units, ensure the test control unit able to test all individual functional units of the tested system, rapidly and accurately position the faults; the test system of the invention may be suitable for the periodical routine tests, tests after failed, and system performance tests etc; thus improves the performability and maintainability of wireless communication system, such as wideband wireless access system, reduces the operating and maintenance cost of wireless communication system, improves the client's satisfaction.

The invention relates to a photoelectric frequency response tester and a test method thereof. The photoelectric frequency response tester is composed of a frequency shift heterodyne module, a microwave clamp module, a radio frequency module and a control and data processing module. The frequency shift heterodyne module is composed of a directly modulated laser to be tested, a tunable laser, an optical switch, an electro-optic modulator to be tested, an optical frequency shift unit, an optical local oscillation unit, a reference source and a photoelectric detector to be tested. The microwave clamp module provides a microwave switch and different radio frequency port use scenes. The radio frequency module is composed of a main microwave source and an amplitude phase receiving unit. The optical switch and the microwave switch are controlled, the frequency relation of the sinusoidal microwave signals outputted by the main microwave source and the reference source is set, and the required spectrum sideband is analyzed through cooperation of the amplitude phase receiving unit so that the frequency response characteristic parameters of the directly modulated laser to be tested, the electro-optic modulator to be tested and the photoelectric detector to be tested can be acquired, additional calibration test of the conventional method can be eliminated, the test cost of the photoelectronic device can be reduced, and the test accuracy and the flexibility and the reliability of the device can be enhanced.

The invention discloses a test structure and a test method for a wafer layer, wherein, a heating layer arranged in a wafer is used for directly heating a structure to be tested which is disposed above or beside the heating layer; and after being electrified, the heating layer generates heat. Therefore, the heating of the heating layer and the electric input of the structure to be tested are controlled separately without mutual influence.

The invention discloses a test platform and test method for movement control of a foot type bio-robot. The test platform comprises a ramp road surface simulating platform, a supporting and protecting mechanism and a base frame, wherein both the ramp road surface simulating platform and the supporting and protecting mechanism are arranged on the base frame, the ramp road surface simulating platform comprises square columns, air cylinders, motors, transmission belts and idler wheels, several idler wheel columns are vertically arranged between two parallel square columns, the idler columns are parallel to one another, the idler wheel columns on the two end head parts of the square columns are provided with the motors, the motors are arranged on the end heads of the idler columns, several air cylinders are arranged below the two square columns, the outer sides of the several idler wheel columns are wrapped with the transmission belts, and the transmission belts can conduct circulating rotation at the outer sides of the idler wheel columns. According to the test platform and test method for the movement control of the foot type bio-robot, the test platform simulates the outdoor movement test of the robot and simulates the external gradient road surface, the robot can change the movement velocity according to the running of a rotating belt on the ramp road surface simulating platform, a movement performance test is achieved, and the time and the cost are saved.

Provided is a test apparatus and a test method for substantially synchronizing phases of test signals for each of a plurality of clock domains. The test apparatus tests a device under test including a plurality of clock domains. The test apparatus comprises a period generator that generates a rate signal for determining a test period corresponding to an operation period of the device under test; a pattern generator that generates a test pattern; phase comparing sections that, for each clock domain, receive an operation clock signal of the clock domain acquired from a terminal of the device under test included in the clock domain, and detect a phase difference of the operation clock signal of the clock domain with respect to the rate signal; and a plurality of waveform shaping sections that are provided respectively to the clock domains, and that each shape a test signal based on the test pattern, according to the phase difference of the corresponding clock domain, to substantially synchronize the test signal with the operation clock signal of the corresponding clock domain.

The present invention discloses a performance detection and analysis test stand of an engineering machinery transmission assembly. The performance detection and analysis test stand of the engineering machinery transmission assembly comprises a pedestal, a transmission to be detected, a torque converter to be detected, a driving motor, a first torque and rotational speed sensor, a second torque and rotational speed sensor, a third torque and rotational speed sensor, an accompanying gear case, a loading motor, a vibration sensor, a noise sensor, a data acquisition card, a controller and an upper computer. The driving motor, the first torque and rotational speed sensor, the transmission to be detected, the second torque and rotational speed sensor, the torque converter to be detected, the third torque and rotational speed sensor, the accompanying gear case and the loading motor are connected in turn, and the loading motor is in power supply connection with the driving motor; the first torque and rotational speed sensor, the second torque and rotational speed sensor and the third torque and rotational speed sensor are in data transmission connection with the upper computer; and the upper computer is in control connection with the driving motor and the loading motor. The performance detection and analysis test stand of an engineering machinery transmission assembly is characterized in that: a transmission and a torque converter are able to perform a performance test in the same working condition and perform a NVH detection to improve the quality of the transmission. The present invention further discloses a performance detection and analysis test method of an engineering machinery transmission assembly.

The invention discloses a test device and a test method for polymer irradiation damage. The device comprises a light source chamber, a light path chamber and a sample chamber which are independent from one another, wherein a light path transmission component and an optical detection component are arranged in the light path chamber; the light path transmission component comprises a light beam attenuator, a light beam homogenizer, a shutter, a focusing lens, a first beam splitter and a second beam splitter; the optical detection component comprises an energy meter and a light beam quality analyzer, and is used for testing the energy of a light beam at the position and the area of a light spot at the position so as to obtain the energy density irradiated to a sample; a sample seat, the sample and a mass spectrograph are arranged in the sample chamber; the sample seat is provided with a three-dimensional adjustment device for performing x, y and z-axial three-dimensional adjustment on the sample seat; the mass spectrograph is used for testing a gas component in the sample chamber on line so as to monitor and judge whether the sample has the irradiation damage in real time, and analyzing a fragment gas component generated by the irradiation damage to the sample.

Provided is a test apparatus that tests a device under test, wherein the device under test includes an internal circuit that generates a plurality of internal clocks having different phases based on a reference clock provided thereto, selects from among the internal clocks an internal clock having a predetermined relative phase with respect to an input signal having a frequency substantially equal to that of the internal clocks, and samples the input signal according to the selected internal clock. The test apparatus comprises a selection control section that fixes the internal clock selected by the internal circuit; a phase control section that, with the selection of the internal clock being fixed by the selection control section, sequentially shifts the phase of the internal clock by inputting the reference clock to the device under test while sequentially shifting the phase of the reference clock outside of the device under test; and a measuring section that measures a characteristic of at least one of the input signal and the internal circuit, based on the sampling result of the internal circuit.

The invention discloses an aviation psychological simulation system and a test method thereof. An aviation psychological simulation module is connected in a flight simulation cockpit and an instructorstation. The fault scene in the flight can be presented through automatic setting or instructor station control in flight simulation, and the flight control action of the pilot is recorded in real time to be transmitted to the instructor station. An eye tracker, an electroencephalography instrument and a physiological recorder record the psychological and physiological state of the pilot to be transmitted to the instructor station, and the flight curve and the psychological curve are presented through the instructor station. The psychological and physiological state of the operator can be simply and directly recorded in flight simulation and then the objective of understanding the aviation psychological state of the operator can be achieved through combination of the operation time and the operation accuracy of solving the emergency situation.

The invention relates to a plastic concrete permeability test device, which comprises a pressure control cabinet and a plastic concrete permeameter connected with the pressure control cabinet. The test device provided by the invention is characterized in that the plastic concrete permeameter contains a pedestal; the upper portion of the pedestal is provided with a rotatable connecting ring, whichis connected with the pedestal through several external handles; the connecting ring is connected with a pressure chamber through screw thread; the pressure chamber is connected with a top cover through screw thread; the top cover is connected with the pedestal through several columns; the center of the top cover is provided with a drift cap positioned on the upper portion inside the pressure chamber; the upper portion of the drift cap is fixedly connected with the top cover through a movable top cover handle; the pedestal on the bottom inside the pressure chamber is provided with a bottom cap corresponding to the drift cap; the bottom cap is equipped with an osmotic pressure adapter and a lower draining exhaust pipe which penetrate the bottom cap and the pedestal; and the drift cap is provided with a confining pressure pipe, an upper draining exhaust pipe and a volume buret-connecting pipeline which communicate with a test piece of the pressure chamber and penetrate the movable top cover. In the meanwhile, the invention also discloses a test method for the device.

Provided is a test apparatus that tests a device under test, comprising a pattern generating section that generates a test pattern determined according to a test signal to be supplied to the device under test; a timing signal generating section that generates a timing signal indicating a timing for supplying the test signal to the device under test; a digital filter that filters the test pattern to output a jitter control signal representing jitter corresponding to the test pattern; a jitter injecting section that injects the timing signal with jitter by delaying the timing signal according to the jitter control signal; and a waveform shaping section that generates the test signal formed according to the test pattern, with the timing signal into which the jitter is injected as a reference.

The invention discloses a comprehensive mechanical property test device of a fuel assembly and a test method thereof. The comprehensive mechanical property test device of fuel assembly comprises a horizontal supporting platform (9) and a vertical supporting platform (10) placed on the horizontal supporting platform (9), wherein a base (3) is installed on the horizontal supporting platform (9), at least three loading upright posts (8) with axial lines vertical to the upper surface of the horizontal supporting platform (9) are installed on the base (3), and at least two measuring upright posts (2) with axial lines vertical to the upper surface of the horizontal supporting platform (9) are installed on the base (3); a loading head plate (1) is arranged above the base (3), the loading head plate (1) is connected with the vertical supporting platform through a connecting element, and the ends away from the base (3) of the loading upright posts (8) penetrate through the loading head plate (1). The comprehensive mechanical property test device disclosed by the invention can be installed at one time and finish a variety of tests. The device is convenient to install and operate and is easy to detach, and the test steps are few.

The invention discloses a test apparatus, a test method and a prediction method of bolting junction tangential dynamic characteristics. The test apparatus comprises a force tensile testing machine, an upper test piece, a lower test piece, bolts, strain gauges, a bridge, a dynamic strain indicator, a signal acquisition system and a computer. The upper test piece is fixed with an upper clamp of the force tensile testing machine, and the lower test piece is fixed with a lower clamp of the force tensile testing machine. The upper test piece and the lower test piece are fixed through the bolts. Each strain gauge is implanted at the centers of a screw axis of each bolt, and is connected with the bridge. The bridge is connected with the signal acquisition system through the dynamic strain indicator. Force and displacement of the force tensile testing machine are respectively sent to the signal acquisition system through a force sensor and a displacement sensor. The signal acquisition system is connected with the computer for transmitting the acquired bolt pre-tightening force and the data of the force and the displacement of the force tensile testing machine to the computer. The test apparatus is simple in structure, convenient for loading and unloading and easy to conduct repeated tests, and solves a problem that the retardation non-linear characteristic of the bolting junction is difficult to test.

The invention discloses a test system and a test method for a hydrate core sample, and relates to the technical field of hydrate research. The test system comprises a hydrate core sample preparation module and a core parameters test module. The hydrate core sample preparation module is used for preparing the hydrate core sample in a hydrate core former. The core parameters test module comprises amounting plate, a temperature adjusting jacket arranged on the mounting plate, and a probe slidably arranged on the mounting plate. The hydrate core former is placed inside the temperature adjusting jacket; and the probe is used for measuring the hydrate core sample in the hydrate core former. According to the test system and the test method for the hydrate core sample, the test system has the beneficial effect that the special test system can rapidly carry out the joint detection of the acoustic and the electrical under conditions of normal pressure. The acoustic and electrical parameters ofthe natural gas hydrate core samples can be tested simultaneously, and the acoustic and electrical characteristics of different types of natural gas hydrate core samples can be obtained, by using thetest system and the test method, thereby providing an effective detection basis and a theoretical basis for exploring an actual natural gas hydrate.

The invention provides a separate target position test device which comprises a line laser emitting device, a first line laser reflecting device, a second line laser reflecting device, a photoelectricdetection receiving device, a linear array CCD device and an intelligent signal collector, wherein the linear array CCD device is arranged at the center of a connecting line of the line laser emitting device and the first line laser reflecting device. Four detection light curtains are formed through the line laser emitting device, the first line laser reflecting device, the second line laser reflecting device, the photoelectric detection receiving device and the linear array CCD device. The test device provided by the invention overcomes the defects that a conventional integrated structure iscarried unfavorably, cannot move if being calibrated and cannot measure simultaneous landing of a plurality of targets, saves the cost, and is convenient to carry and flexible to calibrate. Meanwhile, the test device can measure the position coordinates of the targets which are landed simultaneously.

The present invention is kit for fast test of vibrio Harveyi and the test method thereof. The kit includes DNA extracting reagent comprising buffering reagent A and cell cracking reagent B; PCR reagent comprising reaction pre-mixing reagent C and reaction primer reagent D with specific primer pair of VP01 5'-GCACCATGGGTTAAAAGCCGCT and VP02 5'-AGAGAACTGACGCACAACGTGGTTC; and electrophoresis and development reagent comprising reagent E and reagent F. The test method includes: sample processing, DNA extraction, PCR proliferation, electrophoresis and development test. Under ultraviolet light test, one tested 480 nucleotide pair stripe corresponding to the infection or pollution of vibrio Harveyi, or else no infection or pollution of vibrio Harveyi. The present invention has the advantages of fast detection and high sensitivity.

The invention relates to an explosion mechanics and geotechnical engineering indoor model test technology, and proposes a test device and a test method for dynamic and static combined loading. The test device for the dynamic and static combined loading comprises an explosive dynamic load loading mechanism and a three-way static load loading mechanism; a base of the three-way static load loading mechanism is provided with a static load bearing ring; two symmetrically arranged X-direction jacks and two symmetrically arranged Y-direction jacks are arranged in the static load bearing ring; the X-direction jacks and the Y-direction jacks are abutted against a test piece through a static load loading plate; the bottom of the tests piece is supported by a Z-direction positioning plate; the Z-direction positioning plate is connected to a Z-direction jack; the top of the test piece is abutted against one end of a dynamic load force transmission piston; the other end of the dynamic load force transmission piston is connected with a dynamic load cavity force transmission plate in a dynamic load cavity barrel; and an explosive source is arranged in the dynamic load cavity barrel. According tothe test device for the dynamic and static combined loading provided by the invention, the test principle is visual, the load state simulation is accurate, the disassembly is convenient, and the operation is easy.

The invention provides test equipment and a test method for evaluating the forming performance of product concrete. The test method particularly includes filling a slump cone placed in the middle of aspecial accommodating container with stirred concrete with known slump; fixing the special accommodating container on a vibration tabletop of variable-frequency vibration equipment; lifting the slumpcone; turning on vibration control switches to allow the tabletop to vibrate at set frequencies; observing the deformation capacity and the deformation speed of the concrete; recording the vibrationtime from the moment when the tabletop starts to vibrate to the moment when the special accommodating container is filled with the concrete and the surface of the concrete is completely subjected to bleeding; multiplying the vibration frequencies by unified physical variables and then dividing products by the vibration time to obtain computation numerical values which are forming indexes of the product concrete. The unified physical variables are height and diameter ratios of the accommodating container. The forming indexes can be used for representing the forming performance of the product concrete. The test equipment and the test method have the advantages of wide applicability, simplicity and convenience in operation, high measurement accuracy and the like. Besides, the test equipment and the test method can be used for evaluating forming and compacting difficulty levels of different types of product concrete.

A kind of decline test system includes a location controller, an imaging location device to image for the tested piece and measure the tested piece position, a pick-putting device and a controller to control the pick-putting device according to the image result. The controller is connected with the imaging location device, pick-putting device and the location controller electrically. The location controller controlled by the controlling device controls the pick-putting device work. The pick-putting device tests the piece decline in the control of the controlling device and location controller. The decline system can pick and put the tested piece automatically to improve the test speed and efficiency.

The invention discloses a dynamic load simulation test device. The device comprises a work bench. The work bench is installed with a tested object support, a torque sensor support, a servo commutator support, a servo motor support and an acceleration sensor support. The tested object support is installed with a tested object. The tested object is connected to a torque sensor through a first shaft coupling. The torque sensor is installed on the torque sensor support. The torque sensor is connected to a servo commutator through a second shaft coupling. The servo commutator is installed on the servo commutator support. The servo commutator is connected to a servo motor and an acceleration sensor through a third shaft coupling and a fourth shaft coupling. The torque sensor, the servo motor and the acceleration sensor are connected to a test and control system. In the invention, through controlling one servo motor, a plurality of load forms of a dynamic inertia load and a dynamic torque load can be simultaneously simulated, a condition that a traditional inertia load and a torque load control simulation respectively is replaced, and experiment cost and a land occupation space are reduced.

The invention provides a geotechnical engineering supporting structure model test device and a test method thereof. The test device comprises a model box body in which a slide belt model is disposed. A traction model system is connected with the front of the slide belt model. The model box body further comprises a bottom plate. An organic glass plate and an iron frame are vertically arranged on the bottom plate. The organic glass plate is arranged inside the iron frame. A rotating shaft is arranged on the front end of the bottom plate. A motor rack is mounted on the rotating shaft. The front end of the slide belt model is fixed to a pincer-like clamp. The pincer-like clamp is connected with the rear end of a force sensor through a force transmission rod. The front end of the force sensor is connected with a force transmission rod penetrating a transmission case. A slowdown motor is connected with the transmission case through a force transmission rod and fixed to the motor rack. The geotechnical engineering supporting structure model test device can accurately measure different supporting structure displacements and stress strains in real time when a low-speed motor tows a predetermined slip surface so as to slide a landslide, and is simple in structure, good in adjustability, easy to operate, and easy to grasp.