5 results about "Periodic testing" patented technology

This invention provides a universal master grating periodic testing fixture, including a fixing plate. The top surface of the fixing plate has a fixing groove for placing the grating master. The bottom surface of the fixing groove has multiple sliding through holes arranged at intervals. Each sliding through hole contains a sliding component. By changing the position of the sliding components in each sliding through hole, the edge areas of grating masters of different shapes and sizes can be engaged. In other words, using this universal master grating periodic testing fixture, periodic testing of master gratings of different shapes and sizes can be achieved, reducing testing costs, improving testing efficiency, and avoiding the accumulation of master grating periodic testing fixtures.

The application relates to the technical field of periodic testing, and discloses a safety injection logic test optimization method, device, equipment and medium for a nuclear power station. The method comprises the following steps: in the process of performing a safety injection logic test on the nuclear power station, if it is detected that a fault scene simulation of the nuclear power station is ended, a small-flow electric valve on a small-flow pipeline of an RCV pump of the nuclear power station is controlled to be started, and after the small-flow electric valve is started, an adjustable isolation valve is controlled to be adjusted from a closed state to a fully open state within a set opening time range, so that the adjustable isolation valve is used for slowly injecting reactor coolant into a primary pump No. 1 sealing leakage flow pipeline of the nuclear power station through the small-flow pipeline of the RCV pump, wherein the adjustable isolation valve is installed on the small-flow pipeline of the RCV pump and located upstream of the small-flow electric valve. The method can improve the safety of nuclear power station equipment operation.

A BIST (built-in self-test) adaptive port (BAP) interface enables an in-field MBIST (memory BIST). The BAP enables non-destructive testing of the memory locations. The BAP includes registers to store contents of the memory device during the in-field MBIST on the memory device. The BAP can store the starting address of the next infield periodic testing and operational data from a selected memory address in the registers while the MBIST controller performs the test on the memory address. The system can then restore the operational contents of the memory after the test is complete.

According to the test method based on the distributed power supply access unit disclosed by the invention, comprehensive and accurate test is realized by combining structure test and functional test of the distributed power supply access unit; besides, when the distributed power supply access unit is qualified, the results of different functional test items are comprehensively analyzed, the attenuation remaining time is predicted, and the regular test inspection of the distributed power supply access unit is dynamically adjusted through the attenuation remaining time, so that the normal operation of the corresponding distributed power supply access unit is ensured.

1. Name of the product in this design: Hydrogen Elimination Catalytic Plate Test Bench (Periodic Testing and Regeneration Device). 2. Purpose of this design: For periodic testing and regeneration of the catalyst plate in a passive hydrogen recombination unit. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.