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353 results about "Batch test" patented technology

A batch test occurs when you run multiple scripts. It is typically done with automation. You program a batch test by placing the scripts in the order you wish to have them run and employing a tool that will execute the scripts in that specified order.

Testing system of hydraulic motor

The invention relates to the technical field of motor tests and discloses a testing system of a hydraulic motor. The testing system of the hydraulic motor comprises a motor, a speed changing box, a tested motor, a loading motor, a first oil way, a second oil way, a feedback oil way and a compensation oil way. The speed changing box is provided with an acceleration gear and a deceleration gear, the input end of the speed changing box is in driving connection with the output end of the motor, the loading motor is butted with the tested motor through a power shaft, the output end of the speed changing box is in driving connection with the power shaft, the first oil way serves as an oil inlet channel of the tested motor, the second oil way serves as an oil return channel of the tested motor, the oil outlet end of the feedback oil way is communicated with the first oil way, and the oil outlet end of the feedback oil way selectively supplies oil for the oil inlet end of the feedback oil way or supplies oil for the oil inlet end of the feedback oil way through the loading motor. By means of the testing system, mechanical and hydraulic compensation power recovery modes or the hydraulic compensation power recovery mode can be selected according to needs, and testing requirements for power tests, service life tests, batch tests and the like on most majority of hydraulic motors can be met.
Owner:SANY AUTOMOBILE MFG CO LTD

Precise tester for micro-resistor

The invention discloses a precise tester for a micro-resistor. The precise tester comprises a data processing module, a data acquisition module and a micro-resistor test module. The micro-resistor test module comprises a constant current source circuit and a signal amplification circuit which are connected with the micro-resistor Rx to be tested. The constant current source circuit is used for applying constant current to the micro-resistor Rx to be tested. The data acquisition module acquires and processes the amplified voltage signal. The data processing module calculates the resistance value of the micro-resistor according to the constant current value and the acquired voltage value. The constant current source circuit comprises a constant current source Is and a clamp resistor Rc whichis connected in parallel with the micro-resistor Rx to be tested. The constant current source Is is used for applying constant current which is not greater than the current threshold to the micro-resistor Rx. The clamp resistor Rc clamps the voltage Ux of the micro-resistor Rx to be lower than the voltage threshold so that the measurement error caused by excessively high output voltage can be avoided. The precise tester for the micro-resistor has high test accuracy, multiple measurable channels, high degree of test automation and fast measurement speed so as to be particularly suitable for batch test of the micro-resistor.
Owner:HUBEI SANJIANG AEROSPACE WANFENG TECH DEV

Constant-load tensile test device

The invention belongs to the technical field of metal material test equipment and relates to a constant-load tensile test device. The constant-load tensile test device is characterized in that a rectangular cavity is formed in a force-bearing framework with A, B, C and D side surfaces, wherein circular-arc-shaped grooves capable of dispersing load on four right angles of the rectangular cavity are formed in four vertexes of the rectangular cavity; a sleeve type upper chuck is arranged on a perpendicular central axis at the inner side of an upper beam of the force-bearing framework; a threaded end of the upper chuck penetrates through the force-bearing framework and is provided with an insulating gasket, a loading spring and a loading nut in a sleeved mode; a lower chuck of a sleeve structure is arranged on a perpendicular central axis at the inner side of a lower beam of the force-bearing framework; a threaded end of the lower chuck is fixedly connected with the force-bearing framework; U-shaped slot structures are arranged at the clamping ends of the upper chuck and the lower chuck respectively; insulating gaskets are arranged in the centers at the two sides of each U-shaped slot structure. The constant-load tensile test device is small and light, easy to carry, assemble and fix, freely spliced to realize batch test of a tested part, safe and reliable, simple and convenient in a manual loading mode, and accurate and constant in loaded load.
Owner:725TH RES INST OF CHINA SHIPBUILDING INDAL CORP

Multi-parameter batch test equipment of micro-electromechanical systems (MEMS) acceleration sensor

InactiveCN103063879AHigh calibration efficiencyCalibration calibration efficiency is lowTesting/calibration of speed/acceleration/shock measurement devicesControl systemData acquisition
The invention relates to standardization correction technology of a micro-electromechanical systems (MEMS) acceleration sensor, in particular to multi-parameter batch test equipment of the MEMS acceleration sensor. The multi-parameter batch test equipment of the MEMS acceleration sensor solves the problems that existing standardization correction technology is long in standardization correction time consumption, low in standardization correction efficiency, and limited in standardization correction ability, and can not achieve batch automatic standardization correction. The multi-parameter batch test equipment of the MEMS acceleration sensor comprises a changeable environment device, a batch standardization test platform, an automatic clamping and mounting platform, a multi-channel data collection system, a changeable environment control system, a clamping and mounting control system and a main control system. The batch standardization test platform, the automatic clamping and mounting platform and the changeable environment control system are arranged in a changeable environment device. A signal output end of the multi-channel data collection system is connected with a signal input end of the main control system. The invention is applied to standardization correction of the MEMS acceleration sensor.
Owner:苏州中盛纳米科技有限公司

Improved method for determining free chlorine ions in cement paste or mortar

The invention provides an improved method for determining free chlorine ions in cement paste or mortar and belongs to the technical field of determination of building materials. The improved method comprises the following steps: preparing a sodium chloride standard solution and a silver nitrate solution with the concentration of c; grinding the mortar in concrete until all the mortar passes through a square hole sieve with the hole diameter of 0.63mm; drying the mortar at 105+/-5 DEG C for 2 hours and recording the weight as G; adding de-ionized water; shaking and immersing; filtering and adding nitric acid into a filtering solution; inserting electrodes; connecting the two electrodes with a potentiometer; titrating by using the silver nitrate solution; recording potentials and readings of a corresponding burette; recording the volume V of silver nitrate corresponding to a titrating final point; calculating the content of the free chlorine ions in a cement slurry system according to a formula as shown in the specification; if the difference of titrating results of two times is less than 1%, finally obtaining an average value; if the difference of the titrating results of the two times is more than 1%, continuing to titrate until the difference of the titrating results of the two times is less than 1%. According to the method, the titrating final point is obvious and the accuracy is high; an experiment process is simple and convenient and is suitable for large-batch tests.
Owner:BEIJING UNIV OF TECH

Centering device and method used for sheet-shaped material tensile test

The invention discloses a centering device and method used for a sheet-shaped material tensile test. The centering device comprises a centering reinforcing sheet and a sticking compaction device, wherein the sticking compaction device comprises a supporting frame and compaction blocks; the compaction blocks are mounted on the supporting frame in pairs; the compaction blocks in each pair are correspondingly arranged up and down; the compaction blocks are mounted on the supporting frame by slide blocks and guide rails; V-shaped grooves are formed in the surfaces of the compaction blocks; the V-shaped grooves of each pair of the compaction blocks are opposite; one face of the centering reinforcing sheet is provided with a semi-cylindrical bulge and the other face of the centering reinforcing sheet is provided with a groove as long as the semi-cylindrical bulge. The centering method comprises the following steps: applying glue, sticking, compacting and the like. According to the centering device and the centering method, manual visual inspection for adjusting a centering position is not needed, and a limiting mechanism for assisting centering is omitted; and the operation process is simple, the reliable centering of a test sample and a chuck is guaranteed and the efficiency of batch tests is improved.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS

Function test system and test method of automobile body control module

The invention discloses a function test system of an automobile body control module. The function test system comprises a junction box which is connected with an automobile function module to be tested, and the junction box is connected with a digital board card which is connected with an industrial personal computer. The invention also discloses a test method by utilizing the system. According to the function test system and the test method, on the aspect of hardware construction, the realization is convenient and rapid, under the premise of ensuring the precision, the cost is lowered, the system is expanded by loading different functions of board cards, and then can be conveniently connected with a device to be tested by the junction box, and on the aspect of test software, the system has the largest characteristics that a state diagram is utilized for generating a test case, the test purpose is realized by traversing the work state of a BCM (Body Control Module), the understanding is convenient, the operation is easy, the test effect is achieved, and when the test case is tested, the automatic batch test can be selected, the singly manual test is conducted, the function consistency can be automatically analyzed and designed in advance, the manual comparison can be conducted to implement sequential analysis, so that the problem can be found and checked conveniently.
Owner:SHANDONG ACAD OF SCI INST OF AUTOMATION

Electronic cigarette performance testing device and electronic cigarette performance testing method

InactiveCN103512827ATest results are accurate and unbiasedMaterial analysisControl signalElectronic cigarette
The invention discloses an electronic cigarette performance testing device and an electronic cigarette performance testing method. The electronic cigarette performance testing device comprises a sucking pump with an extract opening and a sensitivity detecting device, wherein the sucking pump with the extract opening is communicated with a cigarette holder of an electronic cigarette through a gas pipe and is used for extracting gas of the electronic cigarette so as to simulate smoking actions; the sensitivity detecting device is used for detecting the sensitivity performance of the electronic cigarette and further comprises a water column pressure meter, an electronic cigarette on-state detector and a pressure meter control module; the water column pressure meter is used for detecting air pressure in the electronic cigarette; the electronic cigarette on-state detector is used for detecting the on-state of the electronic cigarette and generating a control signal; the pressure meter control module is used for receiving the control signal, closing the water column pressure meter based on the control signal and locating a water column in the pressure meter at a current location; the current reading of the water column pressure meter is used for indicating the sensitivity performance of the electronic cigarette. According to the electronic cigarette performance testing device, experimental data is directly used for characterizing the sensitivity performance of the electronic cigarette, and therefore, testing results are accurate and fair; the electronic cigarette performance testing device and the electronic cigarette performance testing method have repeatability for all the electronic cigarettes, and therefore, the electronic cigarette performance testing device and the electronic cigarette performance testing method can be used for the batch test of the electronic cigarettes.
Owner:HUIZHOU KIMREE TECH

Automatic calibration system and method of resistance absorbing instrument

The invention relates to an absorbing resistance instrument automatic calibration system, which is provided with a gas circuit device and an electric control gear. The gas circuit device comprises a calibration gas circuit and a measuring gas circuit. The calibration gas circuit is provided with two absorbing resistance rod gauge measuring heads. The measuring gas circuit is provided with a sample measuring head. The calibration gas circuit and the measuring gas circuit respectively pass through a motorized valve and a hand-operated valve, and then are connected with a negative pressure vacuum air pump by the same constant flow element and a surge chamber. The constant flow element and the surge chamber are internally provided with a gas differential pressure pickup. The electric control gear is provided with a drawing resistance main control panel, the output end of which is respectively connected with the motorized valve in each gas circuit by a drawing resistance interface board; a serial communication interface of the drawing resistance main control board is connected with a drawing resistance sensor by an AD sampling panel. The method is as follows: the negative pressure vacuum air pump is started; the benchmark pressure of the measuring gas circuit and the calibration gas circuit are regulated; a first drawing resistance rod gauge is calibrated; a second drawing resistance rod gauge is calibrated; the calibration cure parameter is calculated to obtain the rate of slope of the specification curve and the gain. The system avoids artificial interference, realizes automatically controlled real time calibration, and is suitable for batch test.
Owner:SHENYANG SCI INSTR RES CENT CHINESE ACAD OF SCI

Large-area microchannel plate type photomultiplier test device

The present invention provides a large-area microchannel plate type photomultiplier testing device. The device includes a light source system, an electronic system, a darkroom and a computer; the light source system uniformly transmits light emitted by a light source to a plurality of light source conversion devices through an integrating sphere and a one-to-many optical fiber; the light source conversion devices receive the point light source of the optical fiber and outputs uniform surface light sources; and each surface light source illuminates the total cathode surfaces of one large-size photomultiplier. According to the large-area microchannel plate type photomultiplier tube testing device of the invention, the overall performance of a plurality of large-area photomultipliers can be simultaneously tested on the basis of the electronic system and computer test software. With the large-area microchannel plate type photomultiplier testing device adopted, the batch test work of the overall performance of the large-size photomultipliers can be well completed, the compliance of the test environment and use environment of the large-size photomultipliers can be improved, the batch test efficiency of the large-size photomultipliers can be improved, the limitations of a point light source test system are eliminated, and the problem of low efficiency of a point-source scanning test system can be solved.
Owner:NORTH NIGHT VISION TECH +1
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