Patents
Literature
Patsnap Copilot is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Patsnap Copilot

97results about How to "Optimize the testing process" patented technology

Virtual machine performance testing system based on cloud service

The invention discloses a virtual machine performance test system based on cloud service, which includes a performance test system, and its structure is composed of a business processing module, a storage module, a UI module and a management module, wherein the business processing module is responsible for the processing and processing of various business flows Scheduling, the storage module stores relevant information, the UI module provides an interactive interface, and the management module is responsible for the daily operation and management of the system; the cloud service system, the above-mentioned performance test system runs on the cloud service system, and the cloud service system performs unified management, including the initial network The configuration and testing of storage and storage require the construction of a virtual machine; the physical host is managed by the above-mentioned cloud service system and used to deploy the virtual platform to be tested. Compared with the existing technology, this virtual machine performance test system based on cloud service greatly simplifies the process of building the test environment, provides a variety of test solutions in package and has good scalability, strong practicability, and easy promote.
Owner:LANGCHAO ELECTRONIC INFORMATION IND CO LTD

Method utilizing isothermy relaxation current method for evaluating insulated overhead conductor

The invention discloses a method utilizing an isothermy relaxation current method for evaluating an insulated overhead conductor, and belongs to the field of testing. The method comprises a numerical control direct current high-voltage power source, a numerical control micro current meter and a control computer. A layer of aluminum foil is arranged outside the insulated overhead conductor. A high-voltage output end of the direct current high-voltage power source is connected with a cable core of the insulated overhead conductor. A high-voltage output end of the numerical control micro current meter is connected with the aluminum foil. The numerical control direct current high-voltage power source and a low-voltage end of the numerical control micro current meter are grounded. A specific high-voltage polarization electric field is exerted on the insulated overhead conductor in advance under normal temperature, after polarization for a period of time, the high-voltage polarization electric field can be removed, and subsequent depolarization relaxation current of an insulating layer of the insulated overhead conductor can be detected. Due to the fact that the depolarization relaxation current comprises abundant insulating material microscopic performance information, parameters such as relevant microscopic parameters, dielectric loss and aging factors of insulating materials can be obtained through relevant analysis, and reliable basis is provided for insulating state evaluation of the insulated overhead conductor.
Owner:SHANGHAI MUNICIPAL ELECTRIC POWER CO +1

Method for evaluating insulation of crosslinked polyethylene medium-voltage cable through polarization current

A method for evaluating insulation of a crosslinked polyethylene medium-voltage cable through polarization current includes the following steps that S1, a high-voltage end and a low-voltage end of a direct current high voltage power source (10) are directly connected with a cable core and a metal shielding layer of a crosslinked polyethylene medium-voltage cable sample (11) respectively, voltage -1kV is output, and cable polarization current is generated, wherein the sample comprises a new product and various cables at different aging degrees; S2, a weak current detection meter (12) is connected with a loop voltage end to detect the polarization current of the cable sample, the polarization current is transmitted, and polarization current data are stored through a computer (13) in real time; S3, fitting is carried out on the polarization current through an expansion Debye model to obtain model parameters, dielectric loss spectrums at the lower frequency of 0.001-0.05 Hz are obtained through Fourier transform, and the relative aging degree is evaluated by comparing the dielectric loss spectrums of the different cables. The method for evaluating insulation of the crosslinked polyethylene medium-voltage cable through the polarization current is simple and convenient in test process, free of damage and sensitive in response to partial serious defects, the overall aging degree of the XLPE cable is evaluated on the basis of the ageing mechanism, and the result is more persuasive.
Owner:ELECTRIC POWER RES INST OF GUANGDONG POWER GRID +1

Bidirectional charge-discharge motor controller testing system and method

The invention relates to the technical field of testing and discloses a bidirectional charge-discharge motor controller testing system and method. The bidirectional charge-discharge motor controller testing system comprises a testing host computer, a simulator, and a bidirectional charge-discharge motor controller. The testing host computer is connected with the simulator and is used for transferring simulating models to the simulator, wherein the simulating models include a power grid model, a bidirectional charge-discharge motor model, and a battery module. The simulator is in communication connection with the bidirectional charge-discharge motor controller. The bidirectional charge-discharge motor controller, the power grid model, the bidirectional charge-discharge motor model, and the battery model form a closed-loop operation testing circuit. The simulator is used for acquiring the operation data of the bidirectional charge-discharge motor controller, sending the acquired operation data to the testing host computer, and sending simulating signals to the bidirectional charge-discharge motor controller. The invention further provides a bidirectional charge-discharge motor controller testing method. The bidirectional charge-discharge motor controller testing system and method may easily test the bidirectional charge-discharge motor controller, increase testing efficiency, and reduce testing cost.
Owner:SHANGHAI KELIANG INFORMATION ENG

Automatic test method and system of receiving sensitivity

InactiveCN106603170AGuaranteed accuracySolve the problem of heavy manual testing workloadReceivers monitoringSubstation equipmentAutomatic test equipmentNetwork packet
The invention discloses an automatic test method and system of receiving sensitivity. The method includes the following steps that: S100, under a current test scene, a control signal source sends test signals to a device to be tested according to preset initial maximum transmission power; S200, test data packets received by the device to be tested are put into statistics, so that receiving sensitivity can be obtained; and S300, all test scenes are traversed, so that each test scene is tested according to S100 and S200, so that receiving sensitivity under all the test scenes is obtained. According to the automatic test method and system of the receiving sensitivity of the invention, the test signals are sent according to the preset initial maximum transmission power, all the test scenes are traversed, so that receiving sensitivity testing can be performed on the all the test scenes, and the receiving sensitivity under all the test scenes can be obtained. With the automatic test method and system of the receiving sensitivity adopted, the problem of large workload of manual testing can be solved; problems caused by manual data extraction can be solved; the accuracy of test data can be ensured; and a lot of time and manpower can be saved.
Owner:PHICOMM (SHANGHAI) CO LTD

Receiving sensitivity test system and method

InactiveCN107612639AGuaranteed accuracySolve the problem of heavy manual testing workloadReceivers monitoringTest efficiencyUltrasound attenuation
The invention provides a receiving sensitivity test system and a receiving sensitivity test method. The system comprises a transmission module, an adjustment module, current equipment to be tested anda control module, wherein the transmission module sends test messages to the adjustment module according to a preset working parameter under the control of control equipment; the adjustment module gates a test circuit under the control of the control equipment, and adjusts an attenuation value of the gated test circuit until the quantity of the adjusted test message received by the current equipment to be tested reaches a preset threshold; the current equipment to be tested receives the test messages adjusted by the adjustment module; the control module reads a register value of the transmission module when the quantity of the adjusted test messages received by the current equipment to be tested reaches the preset threshold, and works out receiving sensitivity of the current equipment tobe tested according to the register value and the attenuation value; the test circuit is a connection circuit between the equipment to be tested and the adjustment module; and the current equipment tobe tested is the equipment to be tested connected with the gated test circuit. According to the system and the method provided by the invention, test time is reduced, test efficiency is enhanced, andtest cost is reduced.
Owner:台州市吉吉知识产权运营有限公司

Weight method isothermal adsorption test and volumetric method isothermal adsorption test combined binary gas adsorption test method

The invention provides a weight method isothermal adsorption test and volumetric method isothermal adsorption test combined binary gas adsorption test method. The binary gas adsorption mass of a sample under the conditions of target temperature and pressure is obtained by measuring through a weight method isothermal adsorption test; the binary gas adsorption volume (standard state) of the sample under the conditions of target temperature and pressure is obtained by measuring through volumetric method isothermal adsorption test; the test results of the weight method isothermal adsorption test and the volumetric method isothermal adsorption test are combined; the standard density of the binary phase of an adsorbed phase is obtained by calculating, and is combined with the respective standarddensity of component gases for calculating to obtain the total adsorption amount (molar weight) of binary gas of the sample and the composition ratio of the binary gas of the adsorbed phase, and thus, a curve of the total adsorption amount of the binary gas of the sample and a curve of the change of the composition ratio of the binary gas of the adsorbed phase with the pressure are established. According to the test method, the influence of the volume of the adsorbed phase is not considered, the gas composition of the adsorbed phase is directly calculated, and the test precision is higher; additional gas chromatography analysis is not required; and the test process is simpler.
Owner:NORTHWEST INST OF ECO ENVIRONMENT & RESOURCES CAS

Dual-purpose multi-model valve tightness detection pressing device

The invention provides a dual-purpose multi-model valve tightness detection pressing device, wherein an upper sealing bench is arranged at the top of a workbench, supporting upright posts are arrangedon two sides of the top of the workbench, the tops of the two supporting upright posts are fixedly connected with a fixed cross rod, the upper sealing bench connected with two pneumatic telescopic rods through a positioning telescopic rod is arranged below the fixed cross rod, sliding chutes are arranged in the two supporting upright posts, a first electric telescopic rod is fixed at the top endof the each sliding chute, a sliding block is arranged at the bottom end of the each first electric telescopic rod, the sliding block is connected with a second electric telescopic rod, a motor grooveis arranged at the tail end of the second electric telescopic rod, the motor groove is connected with a transition groove, a rotating rod is arranged in the transition groove, the tail end of the rotating rod is fixedly connected with a connecting rod, the tail end of the connecting rod is provided with a clamping piece. Through adoption of the dual-purpose multi-model valve tightness detection pressing device, valve tightness pressing operation can be performed on valves of different models, and the clamping piece is used for fixing the position of the valve to be pressed, thus the valve isprevented from being displaced in the pressing process.
Owner:天津市晓晖环保机械有限公司

Rapid detection and recognition method for electromagnetic interference in narrow and small spaces

The invention provides a rapid detection and recognition method for electromagnetic interference in narrow and small spaces. The rapid detection and recognition method includes S1, selecting data collection sensors; S2, arranging the data collection sensors at different positions in a small space to create a rapid electromagnetic interference detection hardware testing system; S3, creating a rapidelectromagnetic interference detection software system; S4, extracting a judgment result n of the number of electromagnetic interference sources under the conditions; S5, increasing the number of thedata collection sensors applied to tests in the small space; S6, judging whether the judgment result n of the number of the electromagnetic interference sources is changed or not, if not, determiningthat the number of the electromagnetic interference sources in an electronics equipment system is n, acquiring electromagnetic interference mixed signals, continuing to execute the step 7, otherwise,updating the judgment result n of the number of the electromagnetic interference sources, and returning to execute the step S5; S7, subjecting the electromagnetic interference mixed signals to separation and extraction according to a kurtosis-based fixed point algorithm to acquire n independent electromagnetic interference signals. The rapid detection and recognition method has the advantage of achieving electromagnetic interference detection in small spaces.
Owner:SHANGHAI RADIO EQUIP RES INST

System and method for automatically testing relay protection devices of intelligent transformer substations on basis of cloud storage

InactiveCN108802547AAutomatically and quickly and accurately obtainImprove test efficiencyElectrical testingTransformerData acquisition
The invention discloses a system and a method for automatically testing relay protection devices of intelligent transformer substations. The system comprises a cloud server, a two-dimensional code recognition device and a control and processing device. Two-dimensional code labels are arranged on the to-be-tested relay protection devices; the cloud server comprises data storage modules, and parameter data and two-dimensional codes of the relay protection devices are stored in the data storage modules; the two-dimensional codes on the to-be-tested relay protection devices can be acquired and recognized by the two-dimensional code recognition device, and the control and processing device comprises control and processing modules and data acquisition modules. The method includes acquiring the parameter data of the to-be-tested relay protection devices from the data storage modules of the cloud server according to two-dimensional code recognition result data by the control and processing modules; then generating corresponding test item list data and testing items one by one; acquiring test procedure parameter data by the data acquisition modules, generating test reports according to thetest procedure parameter data by the control and processing modules and outputting the test reports. The parameter data, which are about to be acquired from the data storage modules of the cloud server, of the to-be-tested relay protection devices correspond to the two-dimensional codes. The system and the method have the advantages that the relay protection device test efficiency can be improvedby the aid of the system and the method, and the test accuracy can be improved.
Owner:STATE GRID JIANGSU ELECTRIC POWER CO ELECTRIC POWER RES INST +5
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products