33results about How to "Guaranteed test reliability" patented technology

The invention relates to a method and a device for sampling a produced fluid of an oil reservoir for microbial flooding. The technical scheme comprises the following steps of: (1) test and control of the temperature and pressure of the oil reservoir; (2) anaerobic treatment for the sampling device; (3) high-temperature and high-pressure separation of oil, gas and water; (4) anaerobic and high-pressure sampling of the oil, the gas and the water; (5) on-line test of oil, gas and water samples; and (6) processing and remote transmission of oil, gas and water test results. The invention has the advantages of solving the problem of the sampling of oil, gas and water mixtures under high-temperature, high-voltage and anaerobic conditions, ensuring that materials cannot diffuse on the spot during the sampling so as to protect on-site environment, ensuring that recovered crude oil and gas can be effectively utilized, ensuring the accuracy and reliability of parameter testing of the produced fluid of the oil reservoir of the microbial flooding, improving the accuracy of microbial community structures by over 30 percent and the accuracy of oxidation-reduction potential by over 40 percent, and providing a reliable theoretical basis for the ecological regulation and control of the oil reservoir of the microbial blooding.

The present invention relates to the field of vibrating table detection equipment, the purpose is to overcome the defects in the prior art, design a signal processing method so that the virtual instrument can be applied to the field of measurement, and correspondingly design a kind of equipment suitable for measurement on this basis, More specifically, it is a method and equipment for processing detection signals of a virtual vibrating table. The method comprises the following steps: ①acquiring the acceleration of the vibrating table through a sensor and converting it into an electrical signal; ②conditioning the signal with a signal conditioning device; ③collecting the conditioned signal and sending it to the computer through a data acquisition card; ④transforming the signal through the computer The signal is preprocessed; ⑤ Discrete Fourier transform and digital signal frequency domain filtering are performed on the preprocessed signal; ⑥ Finally, the velocity component is output through one integral, and the displacement component is output through two integrals. Its structure includes acceleration sensor, signal conditioning equipment, data acquisition card and computer.

The invention discloses a passenger vehicle GPF reliability test method, which comprises the following steps: a temperature sensor being installed on a vehicle GPF, wherein the GPF temperature is monitored, the weight of particles captured by the GPF is measured, and a data acquisition system is configured to perform whole-process monitoring on the state in the vehicle test process; compiling a complete assessment condition and mileage distribution; specifically decomposing the assessment working condition and mileage distribution into a vehicle driving and operation scheme according to a testfield road to form a voice prompt file, and performing vehicle driving and related operation by a driver according to the voice prompt file in the test process to ensure that the vehicle runs according to a specified working condition. and in the test process, after each working condition is finished, the GPF state and the vehicle emission result of the vehicle are checked, and the GPF reliability is judged. According to the method, the influence of vehicle driving environment factors on the GPF reliability is accurately reduced, so that the test result is more accurate, and the GPF reliability can be truly and comprehensively verified.

The invention provides a detection device for fan-head mechanisms. The detection device comprises a positioning unit and a push-and-pull component; the positioning unit is used for fixing a support of each fan-head mechanism, the push-and-pull component having a reciprocating state is disposed on one side of the positioning unit, and an operating end of the push-and-pull component is connected with a fan head of the fan-head mechanism. By the aid of the positioning unit, the support of the fan-head mechanism is fixed during testing, the fan-head mechanism is prevented from sliding accidentally during testing, and test reliability is guaranteed. Since the operating end of the push-and-pull component is connected with the fan head of the fan-head mechanism, the fan head is driven to move along with reciprocation of the push-and-pull mechanism and do pitching motion continuously, and accordingly, labor is saved, labor intensity of work staff is reduced, test cost is lowered, and uniformity and accuracy in testing are guaranteed. The detection device has the advantages of simple structure and low manufacturing cost.

The invention discloses a method for testing the reliability of the GPF of a passenger car, comprising the following steps: installing a temperature sensor on the GPF of the vehicle, monitoring the temperature of the GPF and measuring the weight of particles captured by the GPF, and configuring a data acquisition system to monitor the test process of the vehicle The state in the vehicle is monitored throughout the process; it is compiled into a complete assessment working condition and mileage distribution; the assessment working condition and mileage distribution are specifically decomposed into the vehicle driving and operation plan according to the test track road, and a voice prompt file is formed. During the test, the driver Carry out vehicle driving and related operations according to the voice prompt file to ensure that the vehicle runs according to the specified working conditions; check the vehicle GPF status and vehicle emission results after each working condition in the test process, and judge the GPF reliability. The invention accurately restores the influence of vehicle running environment factors on the GPF reliability, makes the test result more accurate, and can truly and comprehensively verify the GPF reliability.

The invention discloses a mainboard audio loop test device, which is characterized in that it includes an integrated test system, a sound-absorbing box, a loudspeaker, a voice-activated switch, a photosensitive resistor and a buzzer, and the voice-activated switch includes an electrically connected wheat head and an LED display lamp, and a photosensitive The resistor and the buzzer are respectively electrically connected to the integrated test system. The integrated test system is used to supply power to the buzzer and to receive the feedback signal of the photoresistor. The speaker and the microphone head are set in the muffler box, and the photoresistor corresponds to the LED display light. set up. Directly simulate the work of the audio circuit, and connect the audio device to the signal output end of the audio circuit of the motherboard. When the audio circuit is working, it can intuitively detect whether the audio device is sounding to determine whether the audio circuit is normal or not. It has the reliability of the traditional human ear test. , At the same time, it can realize high-efficiency automated testing.

The embodiment of the present invention discloses a radio frequency channel calibration method. The first calibration sequence is respectively transmitted through each radio frequency channel in the first communication connection, and the second calibration sequence corresponding to each radio frequency channel received after each transmission is obtained; according to the first calibration sequence and the second calibration sequence sequence, using a preset calculation rule to determine the difference value of the signal characteristic parameter of each radio frequency channel; according to the difference value of the signal characteristic parameter, each radio frequency channel is compensated. The embodiment of the present invention also discloses a radio frequency channel correction device, a storage medium and an information processing device.

The invention provides intelligent power failure testing method and system. The intelligent power failure testing method and system drive a weak-current control module and a strong-current control module to be in order power failure and power on via a control end according to parameter setting and controllable output of data of equipment to be tested. Therefore, full-automatic intelligent power failure testing is realized, and the intelligent power failure testing method and system have the advantages of high efficiency, labor cost saving and higher safety. Besides, testing demands of higher requirements for safety coefficient of strong current types can be met. Products can meet various testing demands of equipment, and testing cost is reduced. The intelligent power failure testing method and system can be more adaptive to realize remote control and more convenient to manage and testing reliability is guaranteed by real-time monitoring.

The invention discloses an automatic test method of a network element management unit and a system, and relates to the field of test technology of network element management units. The method comprises steps of modifying key field of a PDU in an EMU function configuration block for many times and generating corresponding EMU message; comparing all the EMU message so as to obtain deviation values of the modified and changed key field in the PDU in the EMU message, and positioning the key field according to the deviation values; according to types of the EMU function configuration block, determining the unique value range and traversal algorithm, and determining one unique value via the traversal of the traversal algorithm in the value range of the unique value; and successively testing each of the unique values based on the traversal of the traversal algorithm until all unique values are traversed, and then finishing the test. According to the invention, automatic EMU test can be achieved; coverage rate of the test is high; test time is short; test efficiency is high; and manpower cost is low.

The invention provides a detection device for fan-head mechanisms. The detection device comprises a positioning unit and a push-and-pull component; the positioning unit is used for fixing a support of each fan-head mechanism, the push-and-pull component having a reciprocating state is disposed on one side of the positioning unit, and an operating end of the push-and-pull component is connected with a fan head of the fan-head mechanism. By the aid of the positioning unit, the support of the fan-head mechanism is fixed during testing, the fan-head mechanism is prevented from sliding accidentally during testing, and test reliability is guaranteed. Since the operating end of the push-and-pull component is connected with the fan head of the fan-head mechanism, the fan head is driven to move along with reciprocation of the push-and-pull mechanism and do pitching motion continuously, and accordingly, labor is saved, labor intensity of work staff is reduced, test cost is lowered, and uniformity and accuracy in testing are guaranteed. The detection device has the advantages of simple structure and low manufacturing cost.

The invention discloses a child and mother aircraft communication method and system based on a 1553B bus, and relates to the technical field of aircraft control systems. The method disclosed by the invention comprises the steps of: establishing a mother aircraft bus sub-system and a child aircraft bus sub-system according to a 1553B bus protocol; initializing a mother aircraft computer to a BC node of the mother aircraft bus sub-system, and initializing other standalones of a mother aircraft to RT nodes or BM nodes of the mother aircraft bus sub-system; initializing a child aircraft computer to a BC node of the child aircraft bus sub-system, and simultaneously, taking the child aircraft computer as the RT node of the mother aircraft bus sub-system; and initializing other standalones of a child aircraft to RT nodes or BM nodes of the child aircraft bus sub-system. Only a set of mother aircraft bus sub-system is arranged; one or more sets of child aircraft bus sub-systems are arranged, and hooked onto the mother aircraft bus sub-system at the same time; therefore, a star topological network is formed; and thus, the ground test reliability is ensured.

The invention provides a sensing device for testing the weight of contents in a washing bucket of a washing machine, which realizes stable and accurate detection. The sensing device comprises hanging hooks A connected to upper portion corners of the inner wall of an outer tank body of a washing machine and hanging hooks B connected to the lower portion of the outer wall of a washing bucket of the washing machine; the hanging hooks B and the hanging hooks A correspond to each other longitudinally; a lifting rod is hung on and connected to each hanging hook A; each hanging hook B is connected with a shock absorber via the hanging and connection of an outer shell of the shock absorber; the lower end of each lifting rod extends into the outer shell of the corresponding shock absorber; a support body is arranged in each outer shell; the lower end of each lifting rod is connected with the corresponding support body; a shock absorption spring is arranged between each support body and the upper top of the corresponding outer shell; the bottom of each outer shell is provided with a spring A and the upper end of the spring A is pressed against a magnetic iron core; a spring B is pressed against each magnetic iron core and the corresponding support body therebetween; the periphery of the lower portion of each outer shell, corresponding to the matching magnetic iron core, is fixedly sleeved with an inductance coil; the elastic coefficient of the springs A and the elastic coefficient of the springs B are not equal. The sensing device is used for detection of the weight of contents in a washing bucket of a washing machine.

The present invention is applicable to the technical field of wireless transmission, and proposes a detection method of a wireless detection system. The detection method includes: detecting whether the wireless module to be tested meets the test requirements; Set the level state; when the detection device detects that the signal interface of the wireless device is in the preset level state, control the data interaction between the standard wireless module and the wireless module to be tested; and, according to the relationship between the standard wireless module and the wireless module to be tested Through the data interaction among them, the first signal strength value of the wireless module to be tested, the second signal strength value and the data attenuation value of the standard wireless module are obtained, so as to detect the wireless performance of the wireless module to be tested and output the detection result. In the embodiment of the present invention, there is no need to purchase additional test equipment and write host computer software, and on the premise of ensuring the accuracy and reliability of the test, the cost of purchasing test equipment is saved, the test time is shortened, and the production cost is reduced.

The invention discloses a test assembly for transformers. The test assembly can be used for testing a plurality of transformers at one time and comprises a base, wherein two guiding rods are arranged on the base; a floating plate is arranged on the two guiding rods; conductive sponge is arranged on the floating plate; a movable plate is slidably arranged on the two guiding rods; a first probe and a second probe are arranged on the base; the first probe and the second probe are in one-to-one corresponding to the transformers on the floating plate; a third probe is arranged on the movable plate; a bracket is arranged on the base; and a driving device for driving the moveable plate to vertically move is arranged on the bracket. The test assembly for the transformers has the advantages that the contact stability of the transformers and the probes is ensured by utilizing the vertical movement of a manual moveable cylinder; multiple requirements for testing the plurality of transformers at one time are met; the test reliability is greatly ensured; and the test efficiency is increased.

The invention relates to a method and a device for sampling a produced fluid of an oil reservoir for microbial flooding. The technical scheme comprises the following steps of: (1) test and control of the temperature and pressure of the oil reservoir; (2) anaerobic treatment for the sampling device; (3) high-temperature and high-pressure separation of oil, gas and water; (4) anaerobic and high-pressure sampling of the oil, the gas and the water; (5) on-line test of oil, gas and water samples; and (6) processing and remote transmission of oil, gas and water test results. The invention has the advantages of solving the problem of the sampling of oil, gas and water mixtures under high-temperature, high-voltage and anaerobic conditions, ensuring that materials cannot diffuse on the spot during the sampling so as to protect on-site environment, ensuring that recovered crude oil and gas can be effectively utilized, ensuring the accuracy and reliability of parameter testing of the produced fluid of the oil reservoir of the microbial flooding, improving the accuracy of microbial community structures by over 30 percent and the accuracy of oxidation-reduction potential by over 40 percent, and providing a reliable theoretical basis for the ecological regulation and control of the oil reservoir of the microbial blooding.