23 results about "Test site" patented technology

The application discloses a test fixture for electrical performance of FCBGA single product, and belongs to the field of electrical performance test of FCBGA single product. The FCBGA single product is in a rectangular structure. The fixture substrate is fixedly installed on an external flying probe test machine. A plurality of rectangular test sites are arranged on the fixture substrate and used for placing the FCBGA single product. The size of the test site is greater than that of the largest specification of the rectangular FCBGA single product. An L-shaped reference block is fixedly arranged at a first reference corner of the test site, and an inner corner is arranged on the L-shaped reference block. The inner corner is designed to be matched with a first corner and two side edges of the FCBGA single product. A strip-shaped stopper is arranged at a second reference corner of the test site. The first reference corner and the second reference corner are two opposite reference corners of the test site diagonal line. The first corner of the FCBGA single product is abutted against the L-shaped reference block, and the strip-shaped stopper is abutted against the second corner of the FCBGA single product. The first corner and the second corner are two opposite corners of the FCBGA single product diagonal line. Based on the above structure, the efficiency and quality of the flying probe test link are improved, and the test work on different size products is met.

An electronics part verification system may comprise a test-site board loaded onto or otherwise secured to a PnP machine and computer instructions for using the PnP machine's capabilities to (i) retrieve a component-to-be-verified from a feeder; (2) move the component to a test site on the test-site board; (3) use an LCR meter to obtain an inductance, capacitance, or resistance value for the component; and (4) determine, based on the value from the LCR meter, whether the component is correct or incorrect.

This invention provides a method for visualizing test site workstations using a digital dashboard, comprising the following steps: creating site information and determining workstation information within the site; completing workstation labeling; binding test tasks to workstations; and displaying test task information for site workstations. Through this method, the test process can achieve true transparency and real-time management, improve site utilization efficiency, and enhance team collaboration and anomaly response capabilities.

The utility model belongs to test fixture technical field especially relates to a double locking's microneedle test fixture. Including lower mould subassembly, the test site for placing the product to be measured is opened in lower mould subassembly, and at least one group of clamping blocks are symmetrically arranged in the both sides of lower mould subassembly, the upper mould subassembly for pressing together to the upside of lower mould subassembly, at least one group of buckle assembly are symmetrically arranged in the both sides of upper mould subassembly, and the buckle assembly is clamped to clamping block and makes upper mould subassembly and lower mould subassembly relative fixation, and the elastic sheet microneedle module is equipped in upper mould subassembly, and the elastic sheet microneedle of elastic sheet microneedle module is used to downwardly abut the product to be measured, a plurality of hand screws are arranged on upper mould subassembly, and hand screw is connected to lower mould subassembly through upper mould subassembly. The utility model discloses a buckle assembly and hand screw's double locking structure, realize upper mould subassembly and lower mould subassembly's quick locking and reinforcing locking, ensure that the elastic sheet microneedle and the product to be measured keep contact pressure stable between, have the advantages such as high test precision, good reliability, convenient operation.

The application discloses a self-adaptive adjustable type reaction force device for static load test of a foundation pile and a construction method, belongs to the field of foundation pile bearing capacity detection, and comprises pressure bearing plates, jacks, pressure sensors and a main beam arranged on a test pile in sequence, wherein the pressure sensors are located at the center of the main beam; the two ends of the main beam are provided with symmetrically arranged secondary beams, the extension ends of the two secondary beams are provided with jacking jacks for jacking, and anchor beams are arranged on anchor piles on the two sides of the test pile and are pressed on the secondary beams; the main beam, the secondary beam, the anchor beam and the secondary beam, and the jacking jack and the secondary beam are connected through spherical hinges. The application can adapt to various complex test site conditions, greatly reduces the cost of static load test and the test period, effectively improves the test safety, greatly expands the application scene of the static load test, and enables the static load test of the foundation pile under the complex site restriction condition to be smoothly carried out, so that the safety risk of the foundation pile is effectively reduced.

This utility model provides a multi-purpose rail lifting device, relating to the field of rail lifting technology. It includes a central connecting frame, outer support legs, and a central connecting rod. Three outer support legs are rotatably connected to the lower part of the central connecting frame in a circular array. A central connecting rod is located in the middle of each outer support leg, and a central connecting hook frame is rotatably connected to the middle of each outer support leg. A lower pulley frame is fixedly connected to the lower end of each outer support leg. A lifting hoist is connected to the lower hook of the central connecting frame. The chain of the lifting hoist is fixedly connected to a lower connecting rotating component. Side connecting rods are rotatably connected to both sides of the lower part of the lower connecting rotating component. The three outer support legs support the central connecting frame for lifting and moving rails or sleepers. Rail turning and transportation can be completed in space-constrained test sites, further improving efficiency compared to traditional forklift transportation. This solves the problem of long time consumption and low efficiency in rail lifting caused by the need for multiple direction adjustments required by forklifts.

The utility model discloses a wafer aging test system, including wafer transport equipment, the wafer loading and unloading equipment is set up in one side of wafer transport equipment, wafer aging test equipment, wafer aging test equipment includes at least one wafer aging test device, at least one wafer aging test device sets up in at least one side of wafer transport equipment, any wafer aging test device and wafer transport equipment opposite formation first transport passage, wafer transport equipment includes wafer taking and placing material device, and the second transport passage is formed in wafer transport equipment, and any first transport passage and second transport passage intercommunication, and wafer taking and placing material device bears wafer and is controlled in the second transport passage or any first transport passage and moves to realize the loading or unloading of wafer. Utilize the utility model discloses embodiment can expand multiple test sites parallel test, improve test efficiency, improve the flexibility and rationality of equipment layout simultaneously.

This application provides a method, apparatus, electronic device, medium, and product for testing meters. The method includes: acquiring flow field data measured by a meter at a test site to obtain a flow field data file, the flow field data file including flow field data in string format; importing the flow field data file into a flow field simulation tool, using the flow field simulation tool to convert the flow field data file into a simulated flow field data file, the simulated flow field data file including flow field data in text format; and acquiring the target data format of the meter under test, converting the text-formatted flow field data into flow field data in the target data format, and importing the target data formatted flow field data into the controller of the meter under test, thereby testing the meter under test. This method aims to reduce the cost of meter testing.

The application provides a link optimization method and device. The method comprises the following steps: generating an analog eye diagram at a preset test site in response to a telecommunication signal sent by a host device; determining an eye diagram characteristic parameter of the analog eye diagram and storing the eye diagram characteristic parameter into a preset register; sending the eye diagram characteristic parameter to the host device in response to a reading instruction of the host device, so that the host device performs link optimization. Compared with the prior art, the application reduces the equipment cost and labor cost of link debugging, and avoids the dependence on the professional experience of test personnel. Meanwhile, the application enables the system to be adaptive to temperature and port differences, so that the link quickly converges to the optimal optical signal quality, thereby effectively solving the problems of difficult parameter matching and easy deterioration of the bit error rate between the LPO optical module and the switch under the premise of maintaining the low power consumption and low cost advantages of the LPO optical module, and enhancing the reliability and maintainability of the system.

The utility model relates to electric power instrument technical field provides a panel table and calibrates table frock, including fuselage and pull -out mechanism, one side surface of fuselage is provided with at least one test site, and test site is used for supporting panel table, pull -out mechanism sets up on the fuselage, and with test site one -one correspondence setting, including plug assembly and cylinder boost mechanism, cylinder boost mechanism is fixed on the fuselage, and plug assembly is fixed on cylinder boost mechanism, wherein, plug assembly includes the phoenix plug of the phoenix socket adaptation of panel table, and panel table is connected with the pull -out of calibrating table frock through the phoenix plug, cylinder boost mechanism includes movement end, and movement end is used for moving along the direction perpendicular to panel table to promote panel table to move away from the side of fuselage, realizes the quick tripping of phoenix socket and phoenix plug, saves time and labour, improves operation efficiency, avoids the quality risk that manual shaking pulls out plug operation brings, frock overall structure is simple, and the cost and on -the -spot operation difficulty are reduced.

This disclosure provides a testing method and system for lidar. The testing method is executed in a test scenario, which includes a first target board, a first lidar under test (DUT), and a second lidar under test. The first DUT has a first synchronization angle, and the second DUT has a second synchronization angle. The testing method includes: determining the first and second synchronization angles based on a first and a second position; and determining a control signal based on the first and second synchronization angles. By utilizing the synchronization angle function of the lidar under test, the synchronization angles of different lidars under test in the test scenario are set to appropriate values, so that the detection timing of different lidars under test on the same target board is staggered, thereby avoiding mutual interference between different lidars under test in the same test scenario. This allows for the testing of multiple lidars in the same test scenario without mutual interference, improving the utilization rate of the test site.

A ship hull grillage structure strength test device and operation method considering load movement, comprising a counterforce frame, a grillage test model, a vertical support module, a vertical sliding module, a vertical loading actuator, a horizontal sliding module, a horizontal loading actuator and a loading punch, the grillage test model is fixedly connected with the counterforce frame and a test site through a fixed base; the vertical support module is installed at equal intervals in front of the grillage model; the vertical sliding module is installed above the vertical support module and is driven by the vertical loading actuator; the horizontal sliding module is installed above the vertical sliding module and is driven by the horizontal loading actuator; the loading punch is installed on the side of the horizontal sliding module and is in contact with the surface of the grillage model. During the test, the vertical extrusion load is first applied by the vertical loading actuator and then kept, and then the horizontal moving load is applied by the horizontal loading actuator, so that the punch slides along the surface of the grillage, and the moving load under the working conditions such as grounding, ice collision and aircraft landing can be truly simulated.

The application discloses a safety early warning method for AC / DC test field operation, aiming at the problems of complex field environment, small difference in action characteristics of personnel and high real-time requirement of algorithm, and proposes an intelligent safety early warning method combining computer vision, semantic feature modeling and contrast learning mechanism. The method realizes fine distinction between standard action and abnormal action by key point extraction, posture recognition and time sequence behavior modeling on the video image of the operator, and combining with the high voltage test operation specification to construct the action semantic feature library. At the same time, the risk assessment algorithm based on contrast learning is introduced to realize real-time identification and early warning of illegal or dangerous operation by analyzing the semantic correlation and dynamically judging the similarity of the action sequence. Compared with the existing general scene-based Transformer time sequence detection framework, the technical scheme has stronger environmental adaptability, identification accuracy and real-time response capability in the specific electric power high voltage test scene, and improves the intelligent level of operation safety management.

The utility model discloses a transformer insulating oil filtering device relates to vacuum oil filter technical field, including work table, heating module and filter module. Heating module includes first stand, flow guide pipe, U -shaped tube and electric heating rod, and first stand partial insertion is in the flow guide pipe inner chamber, and electric heating rod is placed in the flow guide pipe inner chamber and is arranged with the coaxial setting of flow guide pipe, and the both ends of electric heating rod are connected with two first stand respectively. The insulating oil can realize multiple, fast heating when flowing in several heating rods in turn, and when electric heating rod from the middle part carries out heating to the insulating oil of the uniform wall thickness cylindrical shape, has the problem of heating uniform, high efficiency and reducing the unnecessary loss of heat. Several flow guide pipes are vertically equidistant linear array shape setting, and first stand and flow guide pipe are open character shape connection simultaneously, and therefore heating module has smaller width, and heating module and work table have smaller floor area, and the utility model discloses can be in the narrow space of test site mobile shuttle.

The application relates to the technical field of vehicle measurement, in particular to a method and device for measuring a center of mass, a vehicle, a medium and a program product, wherein the method comprises the following steps: collecting wheelbase, track and first axle load information when a vehicle is in a horizontal state; collecting multiple sets of second axle load information when the vehicle is in a preset raised state; and determining the center of mass coordinates of the vehicle based on the wheelbase, the track, the first axle load information and the multiple sets of second axle load information. Thus, the problems in the prior art that high-cost special equipment needs to be used and relies on standardized test sites, so that the equipment purchase and site construction investment are huge, and in addition, the test preparation process is complex, involves multi-link cooperation, and the overall preparation period is long are solved.

An electronics part verification system may comprise a test-site board loaded onto or otherwise secured to a PnP machine and computer instructions for using the PnP machine's capabilities to (i) retrieve a component-to-be-verified from a feeder; (2) move the component to a test site on the test-site board; (3) use an LCR meter to obtain an inductance, capacitance, or resistance value for the component; and (4) determine, based on the value from the LCR meter, whether the component is correct or incorrect.

An electronics part verification system may comprise a test-site board loaded onto or otherwise secured to a PnP machine and computer instructions for using the PnP machine's capabilities to (i) retrieve a component-to-be-verified from a feeder; (2) move the component to a test site on the test-site board; (3) use an LCR meter to obtain an inductance, capacitance, or resistance value for the component; and (4) determine, based on the value from the LCR meter, whether the component is correct or incorrect.

This invention provides an underwater explosion test apparatus and method for a sealed concrete shell. The test apparatus includes a concrete shell, a support, a water tank, and explosives. The water tank is filled with water, and the concrete shell is fixed inside the water tank by the support. The explosives are positioned above the concrete shell. This test apparatus improves the sealing performance and overall structural rigidity of the concrete shell, preventing water seepage during the test from affecting measurement accuracy. The support and counterweight plate work together to prevent the concrete shell from floating under the upward buoyancy generated by the explosion, ensuring the smooth conduct of the test. AB glue is used to attach the velocity / accelerometer, ensuring reliable operation and acquisition of real time history signals under detonation loading. Bubble film is arranged on the sidewalls of the water tank to form a water-air-water interface during the test, significantly attenuating the peak value of the shock wave, thereby protecting the sidewalls of the water tank and extending the service life of the test site.

The application provides a test system and a test method for electromagnetic compatibility. The test system comprises: a test sample arranged in a test site, wherein the test site is an open test site; a receiving device arranged in the test site and configured to obtain a first electromagnetic signal of the test sample; a plurality of detection devices uniformly arranged around the test site and configured to obtain a second electromagnetic signal outside the test site; and a calculation device configured to calculate electromagnetic compatibility of the test sample based on the first electromagnetic signal and the second electromagnetic signal. The test system for electromagnetic compatibility of the application can identify electromagnetic signals in the environment in time by arranging a plurality of detection devices around the open test site, ensure compensation of the influence of environmental interference signals during the test, avoid errors caused by environmental interference signals on the test results, and thus improve the test accuracy and precision of the test system.

This utility model relates to a test device for a workover rig base, comprising: an upper connecting beam, a lower connecting beam, a test hydraulic cylinder, an integrated sensor connecting pin, a test hydraulic station, hydraulic lines, and a ground anchor. The upper connecting beam is mounted on the turntable beam of the workover rig base under test, and the bottom of the lower connecting beam is fixed to the ground anchor at the test site. The upper end of the test hydraulic cylinder is hinged to the upper connecting beam via the integrated sensor connecting pin, and the lower end is hinged to the lower connecting beam via the same pin. The test hydraulic station at the test site is connected to the test hydraulic cylinder via hydraulic lines. By driving a single test hydraulic cylinder, a vertically downward pulling force is applied to the workover rig base under test to simulate the working load of the workover rig. This utility model utilizes existing hydraulic stations, hydraulic lines, and on-site ground anchors, making the test device easy to install. Furthermore, due to the centralized load transfer, installation and testing are safe and reliable, improving testing efficiency and saving testing costs.

The utility model discloses a cold -insulation material performance dynamic testing arrangement belongs to cold -insulation material performance test field. The utility model discloses a device includes cold source power end, cold -insulation material test end and cold source recovery end. The cold -insulation material test end is from inside to outside in proper order for simulation channel, cold -insulation layer, moistureproof layer and protection layer, and the inside wall and the outside wall of cold -insulation layer are provided with temperature recorder, are used for monitoring the inside wall and the outside wall temperature of cold -insulation layer. The cold source flows to the cold source recovery end by the cold -insulation material test end from the cold source power end. Cold source power end and cold source recovery end all are connected with center control equipment, and the whole test process is controlled through center control equipment. The center control equipment remote control start -stop and data acquisition when testing, and the inside and outside temperature change of cold -insulation layer is detected in real time, and the test site does not need to arrange the test personnel to keep watch, and the test result accuracy and test process safety are improved significantly.