64results about How to "Avoid test failures" patented technology

The invention discloses a thermal performance test system of a solar water heater. The thermal performance test system comprises a pipeline system, a test rack and a full-automatic intelligent control system. The pipeline system comprises a constant-temperature water tank (1), a refrigeration system connected with the constant-temperature water tank (1), a self-circulation system positioned outside the constant-temperature water tank (1), and an electric heating device arranged at the bottom of the constant-temperature water tank; the pipeline system is connected with a thermal storage water tank (10) in a test rack system of the solar water heater; and the pipeline system, the constant-temperature water tank and a water storage water tank form a loop. The full-automatic intelligent control system realizes data acquisition, sequential logic control and real-time regulation and control of temperature and flow by adopting a programmable controller (PLC).

The invention relates to a clamping fixing device for compressing a metal sheet. The device utilizes a base to position and fix clamping blocks and a test sample; vertical trapezoid grooves are processed on contact surfaces of the clamping blocks and the test sample; the gauge length at the width center of the test sample is visible in the middle through slots of the clamping blocks; guiding rodsare arranged on diagonal positions of the clamping blocks so as to align the two clamping blocks; eight full-thread hex head screws are penetrated into the first clamping block and out from the secondclamping block; gaskets and nuts are arranged at the tail ends of the bolts; uniform symmetrical pressure is applied to the clamping blocks, so that the test sample is prevented from being unstable;four half-thread hex head screws are penetrated into four lug bosses on the base, are inserted into the blind holes on the two sides of the middle part of the clamping blocks and are twisted; the clamping blocks are used for clamping the test sample for the second time and supplying effective support, so that the test sample is prevented from bending damage. The clamp is designed according to therequirement of metallic material compression test standard, is convenient and easy in operation and can be applied to the standard compression tests for various metal sheets in various thicknesses.

The invention discloses an efficient interface testing method for an Ethernet switch. The method comprises the following steps: 1) the interface quantity of the switch is defined as n, and the interface numbers are defined as E1, E2, E3...En; 2) every two interfaces belong to a VLAN (Virtual Local Area Network), namely, E1 and E2 belong to a VLAN1, E3 and E4 belong to a VLAN2, E5 and E6 belong to a VLAN3, E7 and E8 belong to a VLAN4, and the like, E(n-1) and En belong to a VLAN(n/2); 3) E2 and E3, E4 and E5, E6 and E7...E(n-2) and E(n-1) are respectively connected with each other by a cable in sequence; 4) except E1 and En, each two of all the rest interfaces are subjected to loopback in sequence, and E1 and En are connected with an Ethernet testing instrument to be tested. As nearly all large switches support the interface VLAN division, the method has the beneficial effects that the configuration is simple, and the operation is convenient; under the condition that the cost of the testing instrument is not increased, the testing time can be greatly saved.

The invention provides a microprobe which comprises a body supporting part and a testing probe. The testing probe comprises a testing cantilever beam. The microprobe further comprises a side wing which is fixedly connected with body supporting part. The testing cantilever beam and the side wing are in an integral structure. The microprobe can test the dimension precision of the cantilever beam and a pressure monitoring cantilever beam through the side wing which is fixedly connected with the body supporting part, thereby ensuring elasticity index uniformity of the testing cantilever beam and the pressure monitoring cantilever beam of the microprobe. Furthermore, a pressure monitoring probe can be used for monitoring contact between the testing probe and a tested sample, thereby preventing a testing failure caused by defects such as projection, small hole and stain on the tested sample.

The invention discloses a tester and an Ethernet test method of a multiport tested device. The method comprises the following steps: the tester schedules a destination port which is about to send a test data packet in ports connected with the tested device according to the following principle: no more than one test data packet of the ports is sent to the same destination port at the same moment; each port sends the test data packet to all ports excluding the port connected with the present port of the tested device in a polling manner; and the tester controls the ports to send the test data packets synchronously according to the scheduling result. By application of the Ethernet test method disclosed by the invention, the situation that a plurality of ports send flow to a certain destination port at the same time, resulting in test failure or abnormality, is avoided.

The invention belongs to the technical field of titanium sponge detection, and particularly relates to a method for detecting hydrogen, oxygen and nitrogen in titanium sponge. The invention solves the technical problem by providing the method for detecting hydrogen, oxygen and nitrogen in the titanium sponge, and the method has stable detection result. The method for detecting hydrogen, oxygen and nitrogen in the titanium sponge takes a graphite sleeve crucible as a sample container. As the invention takes the graphite sleeve crucible as the sample container for melting the titanium sponge for detection, the experiment failure caused by the damage of the sample container is effectively avoided, the detection efficiency is improved, and the detecting accuracy is improved at the same time.

The embodiment of the invention discloses a method and device for testing the tilt of a camera module. The method for testing the tilt comprises the following steps: obtaining a preset number of images obtained by the camera module by shooting a test picture card; selecting a target area from each image; calculating a contrast ratio of the target area of each image according to the brightness of apreset pixel in the target area of each image; drawing a defocus curve of each target area according to the contrast ratio of the target area of each image; and finding a lens position of corresponding to the image when each target area has the maximum contrast ratio from the defocus curve of each target area, and determining the tilt of the camera module according to the lens position of corresponding to the image when each target area has the maximum contrast ratio. The method provided by the embodiment of the invention is applied to wide test scenes and can improve the accuracy and stability of the test.

The invention discloses a malicious script detection method and device, an electronic device and a storage medium. The method includes the steps of loading the script code in a target scrip file to avirtual system for simulation running; scanning the script code and obtaining the characteristic information of the script code in the script code simulation running process; according to the characteristic information of the script code, determining whether the target script file is a malicious script file. Through adoption of the embodiment of the invention, the effectiveness of malicious scriptdetection can be improved.

The invention discloses realization method and system of remote loopback, wherein the realization method of the remote loopback comprises the following steps that: an exchanger receives the test message of controlled end DTE (Data Terminal Equipment) loopback; and the exchanger directly transfers the test message of the loopback to main control end DTE. The invention realizes the far-end loopback test of the Ethernet OAM (Operation and Maintenance) when the exchanger exists between the DTE at both ends of links of 802.3ah protocol, and ensures the successful realization of far-end loopback test when the exchanger exists between the main control end DTE and the controlled end DTE.

The invention provides an application program testing method and device, electronic equipment and a computer readable storage medium, and relates to the field of application program testing. The method comprises the steps of receiving a page data construction request sent by a test client, wherein the page data construction request is used for requesting to construct target page data correspondingto a target behavior action executed in a recording process; in response to the page data construction request, constructing target page data corresponding to a target behavior action based on a pre-stored corresponding relationship between the behavior action generated in the case recording stage and the interface data; and returning the target page data to the test client, and indicating the test client to perform path playback based on the target page data and the target behavior action. According to the method and the device, when path playback is carried out on the test client, the original page data can still be constructed even if the original page data does not exist, so that the playback success rate is improved, and the test success rate is further improved.

A recyclable ground stress testing device comprises a pipe body, a probe and a movable plate. A notch is formed in the top of the left end of the pipe body, a first guide plate is fixed at the bottom of the pipe body, the two ends of the first guide plate both extend out of the pipe body, a limit plate is fixed at the left end of the first guide plate, a connection rod is hinged to the limit plate, and the movable plate is hinged to the other end of the connection rod. The inner wall of the movable plate gradually becomes thinner from the hinge end to the free end, the movable plate is located at the notch, a pipe body conveying and recycling device is fixed at the right end of the first guide plate, the probe is provided with a stress sensing column, a probe conveying device and a probe recycling device, and the probe can be conveyed into the pipe body along the first guide plate. The recyclable ground stress testing device can be repeatedly used, and lower the cost of stress testing.

The invention discloses a terminal test method and device, a storage medium and a mobile terminal. The terminal test method comprises the steps of receiving a test instruction sent by a test application, wherein the test instruction carries a test item identifier; determining a preset test process corresponding to the test item identifier; executing a test item corresponding to the test item identifier according to a preset test flow, and obtaining a test result; and sending the test result to the test application, so that the test application displays the test result to the user, thereby realizing independence of application and device interaction in a factory test process, and avoiding a phenomenon of test failure caused by a logic problem of the application.

The invention discloses a resistance measuring device for a conductive adhesive tape in a shielding cover, and belongs to the field of conductive adhesive tape testing. A supporting assembly comprises a bottom plate, a vertical shaft and a transverse shaft. A counterweight assembly comprises a connecting shaft, a counterweight block and an insulating seat; the connecting shaft comprises a first shaft rod and a second shaft rod, the first shaft rod is movably inserted into a strip-shaped hole, one end of the first shaft rod is detachably connected with one end of the counterweight block, the other end of the first shaft rod is coaxially connected with one end of the second shaft rod, and the other end of the second shaft rod is connected with the insulating seat. A testing assembly comprises an ohmic resistance meter and two electrodes, the two electrodes are movably arranged on the insulating seat, and one end, facing the bottom plate, of each electrode protrudes out of the insulating seat. The resistance measuring device provided by the invention not only can realize detection of products of the same type and avoid the problem of test failure caused by large fluctuation of a test result, but also can realize detection of products of different types.

The invention discloses an automatic test method and system based on multiple processes and multiple tenants. The method comprises the steps: dynamically generating multiple corresponding tenant information configuration files according to test case requirements and tenant information, wherein the tenant information configuration file comprises tenant identity information, tenant network resourceinformation and test case information; creating a corresponding tenant based on the tenant information configuration file, associating the tenant with a corresponding test case resource, and sending atest request, wherein the tenants comprise tenant identities, tenant network resources and test case resources; analyzing the tenant information configuration file according to the test request to form a plurality of corresponding test processes, and executing the test processes; and obtaining a plurality of corresponding test results. Through the scheme of multiple test processes, test failure possibly caused by resource name duplication and quota can be avoided, the test execution time is greatly shortened, the scheme can be closer to the actual use condition of a user, and a better test effect is achieved.

The invention relates to a high-voltage detection module, device and method for a multilayer capacitor, and the device and method mainly employ a first electrode group and a second electrode group of the high-voltage detection module to clamp the multilayer capacitor for testing, and do not need any other mechanism or device to assist the supporting or fixing of the multilayer capacitor for the suspension testing, wherein air is directly used for insulation. Therefore, no metal filing is generated, and no surge can be generated. In addition, the first and second electrode groups can be used for contact testing firstly before the high-voltage detection, i.e., detecting the whether the electrode end faces of the first and second electrode groups and the multilayer capacitor fully contact with each other firstly, and then carrying out the high-voltage detection, so as to guarantee that the detection electrode groups and the multilayer capacitors are connected in advance, and prevent the poor contact from causing a testing failure.

The invention relates to a spot measurement mechanism for an LED light sorting machine and the LED light sorting machine with the spot measurement mechanism, wherein the spot measurement mechanism is good in probe contact, long in service life, accurate in spot measurement testing and not prone to being stuck.According to the spot measurement mechanism for the LED light sorting machine, probes and an installation structure in the prior art are improved, each probe is provided with an air flow channel, the surface of a probe tip of each probe is provided with vent holes communicated with the corresponding air flow channel, air flow is blown off from the vent holes formed in the surfaces of the probe tips, residual packaging glue remaining on the testing probe tips can be cleaned away, and long-time good contact between the probe tips of the probes and electrode pins of LED lamp beads can be maintained; sleeves are additionally arranged, the sleeves are arranged on the probes in a sleeving mode and fixed in through holes, the probes can move relative to the corresponding sleeves, gaps between a support plate and the probes are filled with the sleeves, the residual packaging glue is prevented from entering the gaps, and contact point deviations caused by transverse displacement of the probes are avoided.The invention further provides the LED light sorting machine with the spot measurement mechanism.

The invention provides a device used for testing asphalt low-temperature flowability. The device effectively solves the problem of test result inaccuracy due to cold repairing asphalt dripping in theexisting test process. In order to solve the problems, the device has the technical scheme that the device comprises a box body, wherein a temperature cabin is arranged in the box body; a fixing shaftis transversely arranged at the upper part in the temperature cabin; a plurality of test tube frames are rotationally connected on the fixing shaft; test tubes are arranged on the test tube frames; aplurality of electronic scales positioned right under the test tubes are arranged at the bottom in the temperature cabin; a paper cup for collecting cold repairing asphalt is put on the electronic scale. Compared with the prior art, the device has the advantages that a paper cup sealing and blocking device is added, so that the test result inaccuracy due to cold repairing asphalt dripping in thetest tube rotating process is prevented; in addition, the whole test process is set to be the automatic control; the manual operation is not needed, so that the test failure due to wrong operation isavoided; the test tube rotation and the circuit control are combined; the control is performed through a sensor; higher accuracy and sensitivity are realized.