39results about How to "Controllable test process" patented technology

This invention discloses a kind of parallel test method, which includes the following steps: A,establish the measured object linking with the multi-port adapter which has at least one port, and each measured object has its own port; B,test executer sends at least one piece of testing information to the multi-port adapter at the same time, and each piece of testing information has its own port; C,when the multi-port adapter receives the testing information, it will send the information to the related measured object; D,after the measured object receives the testing information, it will send back the testing result to the test executer through the multi-port adapter; E,test executer will determine the character of the measured object according to the result. This invention also discloses a kind of parallel test system, including the test executer, the multi-port adapter, and the measured object. This system and the method can reduce the cost of the parallel test.

The invention provides a photomultiplier line linear range testing device and method, comprising a light source, a light source driver, a spectroscopic dark box, an integrating sphere, a light guide, a testing dark box, a testing electronic system and a computer. After the light source emits light, it is irradiated to the spectroscopic dark box; the spectroscopic dark box is an opaque box with a light entrance port and a light exit port. The beam splitting output is performed through the spectroscopic dark box, and the light beam is irradiated into the integrating sphere through the light exit port to mix evenly; the light exit port of the integrating sphere It is connected with the light entrance of the test dark box through a light guide; the test electronics system is used to provide the high voltage of the photomultiplier tube and measure the output signal of the photomultiplier tube; the computer is used to control the operation of the test device, including the control Control the light source driver, control the electric device in the spectroscopic dark box to realize light splitting, control and configure the test electronic system test, and read the measurement value of the test electronic system and generate the test result after processing.

The invention provides an abnormal judgment method for a fast idle mode of a hands-free calling circuit. The method comprises the flowing steps that S1, sine wave signals are input at the microphone end of the hands-free calling circuit, and the output end of a near-end / far-end level detector and the output end of a sending / receiving background noise detector are connected to the corresponding externally connected electrical levels respectively; S2, the hands-free calling circuit is switched into the fast idle mode from a sending mode by changing the externally connected electrical levels, and first switching time TF is measured; S3, the hands-free calling circuit is switched into a slow idle mode from the sending mode by changing the externally connected electrical levels, and second switching time TS is measured; S4, the first switching time and the second switching time are compared, the fact that the fast idle mode is normal is judged if TS >= 6TF, and otherwise, the fact that the fast idle mode is abnormal is judged. The test process of the method is controllable, testing efficiency can be improved greatly, and test errors caused by the difference of peripheral circuits in tests can be avoided effectively.

The invention discloses a method for observing expansion procedures of soil mass shear bands in confining pressure states. The method includes steps of firstly, sampling soil; secondly, carrying out shear tests, acquiring images of microscopic structures of soil masses, acquiring shear test results of to-be-tested soil samples at a plurality of different depth positions on the to-be-tested soil mass shear bands in the confining pressure states; thirdly, ranking the shear test results. When the shear tests are carried out on the to-be-tested soil samples and the images of the microscopic structures of the soil masses are acquired, procedures include clamping the soil samples and pressure devices, carrying out the shear tests, dropping solidifying liquid into the soil samples, flatly cutting the bottoms of the soil samples, propping the soil samples, flatly cutting the tops of the soil samples, fetching soil mass test specimens out of shear gaps, carrying out subsequent treatment on soil mass test specimens in the shear gaps and scanning the soil mass test specimens by the aid of electron microscopes. The method has the advantages that the method includes the simple steps, is reasonable in design and easy and convenient to implement, good service effects can be realized, the shear strength of the different depth positions on the tested soil mass shear bands in the confining pressure states and microscopic structures of shear positions can be easily, conveniently and quickly acquired, and accordingly the expansion procedures of the soil mass shear bands in the confining pressure states can be easily, conveniently and visually observed.

The invention relates to a high-precision detection method and circuit for dynamic response of a power supply. It includes an LDO circuit to be tested and a test power supply circuit; the test power supply circuit includes a first high-precision low-temperature drift power supply, a second high-precision low-temperature drift power supply, and a high-speed power switch S1; the high-speed power switch S1 is controlled to be on and off. When the state is cyclically switched, the first test voltage and the second test voltage can be cyclically loaded to the power supply terminal of the LDO circuit to be tested, according to the corresponding working state of the LDO circuit to be tested under the first test voltage and the second test voltage , so as to be able to determine the dynamic response of the power supply of the LDO circuit under test. The invention can effectively realize the power dynamic response test of the LDO, the test process is controllable, and the test efficiency and reliability are improved.

The invention discloses a method for evaluating the isolation performance of an asphalt release agent based on an isolation performance library, comprising the steps of: 1. inputting component information of the asphalt release agent to be tested; 2. querying the isolation performance library; 3. isolation performance of the asphalt release agent to be tested Evaluation, including four steps of asphalt release agent brushing, pull-out test, determination of effective isolation times and output of isolation performance evaluation results; 4. Update of isolation performance database. The invention provides the isolation performance index of the asphalt release agent to be tested by querying the pre-established asphalt isolation performance database, and conducts an intuitive and accurate evaluation of the isolation performance of the asphalt release agent to be tested through the isolation performance index, and provides an asphalt release agent isolation The performance evaluation method can easily and accurately evaluate the isolation performance indicators of asphalt isolation agents not stored in the asphalt isolation performance database, and update and improve the asphalt isolation performance database according to the evaluation results, which is convenient for more comprehensive and rapid query and use in the later period.

The invention discloses a natural gas hydrate drilled core light hydrocarbon gas content analysis test system and a method. The analysis test system comprises a temperature control cavity, wherein a weight calculation part is arranged in the temperature control cavity; a sealed decomposition chamber is placed on the weight calculation part; a gas inlet one-way valve and a gas outlet gas circuit switch are respectively arranged on a gas inlet and a gas outlet of the decomposition chamber; a pressure meter and a safety valve are also arranged on the decomposition chamber; an air source is connected with the gas inlet one-way valve through a first fast gas circuit connector; the gas outlet gas circuit switch is connected with a gas inlet of a gas collecting chamber through a second fast gas circuit connector; a gas outlet, an air source and a hydrogen source of the gas collecting chamber are respectively connected with a corresponding gas inlet of a hydrogen flame ionization detector; a gas taking port is also formed in the gas collecting chamber. According to the natural gas hydrate drilled core light hydrocarbon gas content analysis test system and the method provided by the invention, a hydrate is controlled at low temperature so as to be decomposed, and the hydrogen flame ionization detector is used for directly measuring and analyzing light dydrocarbon gas volume, so that the accurate measurement on light dydrocarbon gas content in a natural gas hydrate reservoir drilled core is realized, the technical difficulties and the safety risks caused by low decomposition temperature, fast speed, and large release gas volume are overcome, and the system and the method are safe and practical.