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37results about How to "Standardize the testing process" patented technology

High-density printed circuit board (PCB) test machine and method

The invention provides a high-density printed circuit board (PCB) test machine comprising a material platform, PCB clamping sampling mechanisms, an automatic material feeding and discharging device, a test clamp and a central controller. Due to the combination of the operation of the automatic material feeding and discharging device and the control of the alignment of the PCB clamping sampling mechanisms and the test clamp, the PCB can be tested automatically, and the PCB test capacity, precision and efficiency of the high-density PCB test machine can be greatly improved. The invention also provides a high-density PCB test method based on the high-density PCB test machine. Due to the unified material loading and the combination of the two PCB clamping sampling mechanisms, the two PCB clamping sampling mechanisms can collect the images of the PCBs thereon at the same time and feed back the collected images of the PCBS to the central controller to test the alignment of the two PCB clamping sampling mechanisms and the test clamp. Due to the timely material unloading and the material reloading after the test of two PCB clamping sampling mechanisms and the test clamp, the standby time of the test clamp is shorted to the maximum extent, the whole test process is standardized, and the test efficiency is ensured.
Owner:SHENZHEN MASONE ELECTRONICS

Method for detecting production line of communication product single board with CPU

InactiveCN1409502ATest process standardizationEasy to hold and operateTransmission monitoringData switching networksTesting softwareTest code
This invention puts forward a testing method for single-board production line of communication products with central processor containing connecting the tested single-board with the testing host machine with serial lines in simple serial interface arrangement, and the single board autoamtically carries out the test code after being turned-on. Test persons can carry out the related test content byserial interface input order and put forward a compiling method for the single-board testing software which directly directs the hardware test quickly positions its mistake.
Owner:ZTE CORP

Photovoltaic grid-connected inverter electronic anti-islanding testing device

ActiveCN106841874AReal-time calculation of load resistanceCalculate capacitance in real timeElectrical testingPhotovoltaic energy generationCapacitanceAbsorbed energy
A photovoltaic grid-connected inverter electronic anti-islanding testing device comprises a direct current side (4), an input side (3), an output side (5) and a control system. The electronic anti-islanding testing device is connected in series between a photovoltaic grid-connected inverter (2) and a large power grid (6). The electronic anti-islanding testing device absorbs energy stable voltage at the direct current side for a power grid side, the input side inversely forms a voltage source; the grid-connected inverter tracks voltage output in real time after detecting voltage source with stable frequency, the grid-connected inverter power flow flows in the electronic anti-islanding input side, and the output side feeds the energy back to the power grid through a four-quadrant control strategy. Through adoption of the real-time control technology, the photovoltaic grid-connected inverter electronic anti-islanding testing device can detect active power and reactive power output by the grid-connected inverter in real time and calculate the resistance, inductance and capacitance of a load required being simulated. When the anti-islanding test, the photovoltaic grid-connected inverter electronic anti-islanding testing device can allow the anti-islanding protection testing experiment not to be restrained by field conditions according to an anti-islanding protection testing experiment of various conditions such as load matching and the like required in the national standard.
Owner:STATE GRID JIANGXI ELECTRIC POWER CO LTD RES INST +1

LTE-V2X dynamic performance test method and device under external field environment

The invention provides an LTE-V2X dynamic performance test method and device under an external field environment. The method comprises the following steps: setting test parameters for LTE-V2X dynamicperformance test according to a preset strategy; summarizing test execution data by utilizing the test parameters; generating a test scheme according to the test parameters combined with the executiondata; and carrying out LTE-V2X dynamic performance test according to the test scheme. The method regulates accuracy of the external field test data analysis result, enables accuracy of a test sampleto be adjustable and can also improve accuracy of the test result; and besides, the method provides a mode of replacing the fixed-point test result by the test result of the test distance interval, solves the problem that the test result under a single distance cannot be obtained steadily and continuously, ensures accuracy of the test result, fills the blank of test specifications at home and abroad, allows the LTE-V2X dynamic performance under the external field environment to be tested in a high-precision, fast and efficient manner and solves the problems of large workload or lack of accuracy in an existing test scheme.
Owner:深圳无线电检测技术研究院 +1

Network card testing method and device, electronic equipment and readable storage medium

ActiveCN111786854AImprove the problem of wasting time in testingStandardize the testing processData switching networksTested timeTest sequence
The invention provides a network card testing method and device, electronic equipment and a readable storage medium, and relates to the technical field of communication. The method comprises the stepsof determining a plurality of test items for to-be-tested network cards; determining a project test sequence for the plurality of test projects; and testing the test items of the to-be-tested networkcards in sequence according to the item test sequence to obtain corresponding test results, wherein according to the test results corresponding to the test item ranked in the previous item in the item test sequence, whether the test of the next test item is continuously performed on the to-be-tested network cards or not is determined. According to the scheme, in the testing process, whether the to-be-tested network cards continue to be tested in the next testing item or not can be determined according to the test results obtained after the previous test item is tested; according to the scheme, the test process of the network card is standardized, so that the problem that in the prior art, the network card is comprehensively tested to do test useless work can be avoided, and the waste of test time is effectively reduced.
Owner:DAWNING INFORMATION IND BEIJING +1

Method for achieving self-defining test function sequence in a microwave measurement apparatus

The invention provides a method for achieving a self-defining test function sequence in a microwave measurement apparatus. The method comprises the following steps: S101, establishing a self-defined command file; S102, judging whether a corresponding command file exists; S103, reading one line from the command file; S104, judging whether a command is the file end; S105, judging whether the command is a key word which is defined in advance; S106, adding a preset character to the command, and sending the command to a program command interpreter; S108, judging whether the command is executed; S109, continuing to read the command executing state for judgment; S110, entering S103 after executing the key word definition. By the adoption of the scheme, test work of the user is greatly facilitated, and test efficiency is improved. Particularly, compared with system establishment, the method is conveniently used by a production line, and meanwhile test flow and a test parameter can be regulated, setting of a test stays the same, and measurement results can be conveniently compared.
Owner:CHINA ELECTRONIS TECH INSTR CO LTD

Testing system and testing method of complete machine safety system of generator unit

The invention discloses a testing system of a complete machine safety system of a generator unit. The system comprises a safe signal access mechanism and a safe logical testing mechanism, wherein thesafe signal access mechanism comprises a branching terminal and cable connected with the branching terminal, the branching terminal is arranged a safe system input and output cable to acquire input and output signals of a safe system; the safe logic testing mechanism comprises a signal acquisition unit and a safe logic judgement unit connected with the signal acquisition unit, the safe logic judgement unit is used for receiving a signal transmitted by the signal acquisition unit and judges whether logical relation of received input and output signals of the safe system is correct according tostorage information in a database to obtain a fault position and corresponding maintenance advice of the safe system. The invention discloses a testing method of the complete machine safety system ofthe generator unit. Testing procedures of the safe system can be rapidly and automatically completed, the fault position of the safe system can be positioned, corresponding maintenance advice and operation advice can also be provided, and a testing result is timely, accurate, comprehensive and reliable.
Owner:GUODIAN UNITED POWER TECH

High-density printed circuit board (PCB) test machine and method

The invention provides a high-density printed circuit board (PCB) test machine comprising a material platform, PCB clamping sampling mechanisms, an automatic material feeding and discharging device, a test clamp and a central controller. Due to the combination of the operation of the automatic material feeding and discharging device and the control of the alignment of the PCB clamping sampling mechanisms and the test clamp, the PCB can be tested automatically, and the PCB test capacity, precision and efficiency of the high-density PCB test machine can be greatly improved. The invention also provides a high-density PCB test method based on the high-density PCB test machine. Due to the unified material loading and the combination of the two PCB clamping sampling mechanisms, the two PCB clamping sampling mechanisms can collect the images of the PCBs thereon at the same time and feed back the collected images of the PCBS to the central controller to test the alignment of the two PCB clamping sampling mechanisms and the test clamp. Due to the timely material unloading and the material reloading after the test of two PCB clamping sampling mechanisms and the test clamp, the standby time of the test clamp is shorted to the maximum extent, the whole test process is standardized, and the test efficiency is ensured.
Owner:SHENZHEN MASONE ELECTRONICS

System and method for detecting geometrical parameters of different components of tire section

The invention discloses a system and a method for detecting geometric parameters of different components of a tire section. The system comprises a steel wire ring layer detection module; a steel wirebundle layer detection module; a ply detection module; a parameter information exporting module, wherein the steel wire ring layer detection module comprises a steel wire ring detection unit, a steelwire ring number detection unit, a steel wire ring radius detection unit and a steel wire ring position screenshot unit; a steel wire bundle layer module which comprises a steel wire bundle distribution detection unit, a steel wire bundle quantity detection unit and a steel wire bundle position screenshot unit; a cord fabric layer detection module which comprises a cord fabric layer distribution detection unit and a cord fabric layer area detection unit; and a parameter information exporting module which comprises a detected image basic information exporting unit, a bead ring coordinate information exporting unit, a steel wire bundle coordinate information exporting unit and a cord fabric information exporting unit. The method can systematically detect and parameterize the metal componentsof the cross section of the tire, and improves the efficiency and quality of tire analysis.
Owner:HEFEI UNIV OF TECH

Automobile detection system and method

The invention discloses an automobile detection system and method, relating to the technical field of automobile detection. The system comprises a detection front end, a detection host, and a server, wherein the detection front end is used for detecting a detected vehicle; the detection host is used for receiving the detection parameter setting of a legal user, transmitting a detection command to the detection front end, receiving the detection data, assessing damage, generating a detection report, and displaying, storing and transmitting the detection data and the detection report to the server; and the server is used for verifying the legality of the user, assessing the damage of the detected vehicle, and storing the legal user information, the detection data and the detection report. Through the adoption of the system and the method, provided by the invention, a plurality of detection hosts can access the server to acquire the corresponding assessment information of secondhand cars for trading, so that the assessment precision of the secondhand cars is improved for trading, and a trading service for secondhand cars is provided fast and conveniently; and furthermore, a more convenient detection means can be provided, the detection flow is specified, and the detection efficiency for the secondhand cars is greatly increased.
Owner:优信互联(北京)信息技术有限公司

Relay protection device complete machine reinspection intelligent test system and method

InactiveCN113075910ARealize the intelligent test of the whole machine re-inspectionImprove the level of intelligent manufacturingSortingTotal factory controlClosed loop testingMachine
The invention discloses a relay protection device complete machine reinspection intelligent test system and method. The system comprises a robot, a feeding subsystem, a robot control center and a plurality of intelligent test units. The feeding subsystem comprises a feeding trolley, a track and auxiliary electrical equipment. The intelligent test unit comprises a relay protection device complete machine test device, an AC/DC voltage and current program control output device, an intelligent test control center, an air valve management control device, auxiliary electrical equipment and a cabinet. The robot positions the device according to different types of trolleys, moves the device to a test station, scans a bar code of the device to obtain a specific signal, establishes a closed-loop test environment, and then starts the whole machine for testing. And after the whole machine test is correct, analog quantity channel precision verification is started. After the test succeeds, the robot moves the device back to the trolleys; and if the test fails, the robot moves the device to an NG area. Unmanned operation and standardized detection are realized in the whole process, and the whole machine reinspection detection efficiency of the relay protection device is effectively improved.
Owner:NR ELECTRIC CO LTD +1

Geophysical software project acceptance test method and system

The invention discloses a geophysical software project acceptance test method and system. The method comprises the following steps: receiving an acceptance test request of a project group and all software documents about a geophysical software project uploaded by the project group; performing static code detection on the source code of the geophysical software system to judge whether a preset type of error exists in the source code or not; performing function test and performance test on the source code passing the static code detection to judge whether defects exist in the source code or not; performing static code detection, function test and performance test on the modified source code of the new version of the geophysical software system again until the function test and the performance test are passed; wherein if the defect that the risk level is larger than the preset risk level exists in the source code of the new version, regression testing is carried out on the source code of the new version after modification is completed; and then expert review and acceptance test report output are carried out. The acceptance test efficiency and the software quality of geophysical prospecting software products are improved.
Owner:CHINA PETROLEUM & CHEM CORP +1

A whole machine intelligent testing method and system for a power system protection device

The invention discloses an electric power system protective device whole machine intelligent test method and system, which can automatically throw the handle seat of a device power supply and triggers a scanner to scan the device bar code through sensing whether the device is stably arranged in the appointed position. An intelligent control center obtains a real test module name and board card control data through a local mapping database according to the attribute of the device; a driving board card switching mechanism makes adjustment according to the configuration of the hardware of the device and automatically realizes the secondary mapping of the physic connection line; the intelligent test control center automatically enters the whole machine test mode and performs the accuracy calibration or verification; the system is provided with two independent modules, wherein one is on the left and the other one is on the right, for a main and standby test; when the accuracy calibration on the left side is finished, the right side is automatically driven to perform scanning and testing, which realizes the 0 waiting in the testing time. The whole process realizes the intelligent guidance and control of the discretization test flow, effectively reduces the test labor intensity and complexity, and greatly improves the test efficiency for mass batch of the whole machine production.
Owner:NR ELECTRIC CO LTD +1

On-line leakage detection device for tube type heat exchanger

The invention relates to an on-line leakage detection device for a tube type heat exchanger, belongs to the field of tube type heat exchanger detection equipment, mainly solves the problem of how to check whether a heat exchange tube is damaged and leaks or not when raw material gas and liquid exchange heat with a heat exchange tube in a shell for cooling, the device comprises a detection body and a hose, and a liquid inlet is set at the back of the detection body; a liquid storage chamber is arranged in the detection body, the liquid inlet is communicated with the liquid storage chamber, a pump is arranged in the liquid inlet, one end of the hose is connected with the liquid inlet, and the other end of the hose is provided with a connector. A PCB is arranged in the detection body, an amplification circuit, a filter circuit, an AD conversion circuit and a micro single-chip microcomputer are arranged on the PCB, two electrodes are arranged on the inner wall of the liquid storage chamber, and the two electrodes are connected with the amplification circuit through circuits. In the invention, the detection process is standard and reasonable, the detection result is scientific and effective, the device is small and portable, a charging mode is adopted, and the device is convenient to carry to the actual working scene of the heat exchanger.
Owner:安徽扬天金塑新能源装备有限公司
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