4results about How to "Implement adaptive switching" patented technology

This invention discloses a fault handling method and apparatus based on main and distribution network coordination, belonging to the field of power system automation technology. The method includes: using a graph neural network to perform topology identification and fault location of the power grid, generating fault impact features; based on the spatial range and electrical connection relationships of the fault impact features, obtaining the switches at both ends of the faulty section of the power grid, and performing fault isolation through remote control tripping; analyzing the fault isolation information using topology impact analysis; and, combined with changes in the current topology of the power grid, generating a power grid protection strategy migration mechanism and initiating a fault recovery process to restore power supply. This invention achieves dynamic modeling of the power grid topology and accurate identification of faulty sections by using a graph neural network to embed the power grid graph and combining multi-channel time series information to generate node potential state vectors, thus improving the real-time performance and accuracy of fault location.

This invention discloses an automotive suspension assembly device, belonging to the field of automotive parts processing technology. It includes two bases, each with a support frame vertically mounted on its upper surface. Both support frames share a lifting mechanism. A vertical telescopic rod is vertically fixed to the side wall of one of the support frames. A horizontal telescopic rod is horizontally fixed to the output end of the vertical telescopic rod, and a partition is horizontally fixed to the output end of the horizontal telescopic rod. Two parallel first guide grooves are symmetrically formed on the top wall of the partition. During the lowering stage of the suspension parts, the V-shaped guide groove (wider at the top and narrower at the bottom) cooperates with the first ball bearings to create a "rolling friction" state between the edge of the heavy part and the slope, eliminating the risk of scratching the part surface and overcoming the technical pain point of traditional assembly requiring manual forceful pushing and pulling for positioning. Simultaneously, it achieves non-destructive and precise centering guidance of heavy parts towards the center baseline, improving positioning accuracy and operational efficiency in the initial assembly stage.

The utility model discloses a high level bridge wind resistance noise reduction louver screen relates to high level bridge screen structure field, including steel structure frame, multiple rotatable windproof sound insulation flabellums are equipped with on steel structure frame along the height direction equidistance, two connecting rods are symmetrically equipped on multiple windproof sound insulation flabellums, two connecting rods are all hinged with multiple windproof sound insulation flabellums, and the top of steel structure frame is equipped with wind power drive arrangement, and wind power drive arrangement is connected with the top of two connecting rods all, and can drive connecting rod and move up, and the bottom of connecting rod is equipped with reset device, can utilize the angle regulation of wind power direct drive windproof sound insulation flabellum, realizes the automatic switching of low -speed noise reduction and high -speed wind resistance, and has reliability and environmental adaptability simultaneously, thereby solves the problem that existing fixed type wind screen needs manual regulation blade angle, and the effect of sealing noise reduction is not good, and the problem of response lag.

This invention relates to the field of ground source heat pump drilling technology, and particularly to an auxiliary device for ground source heat pump drilling, comprising a rigid support unit, an elastic support unit, a conversion unit, and an adjustment unit. Through the coordinated operation of the rigid support unit, elastic support unit, conversion unit, and adjustment unit, this invention achieves adaptive switching of working state and contact area under varying well diameter. In the wide diameter section, the inner and outer sleeves rotate relative to each other, and the main and auxiliary support components jointly contact the well wall to form stable support, effectively avoiding excessive scraping of loose formations that could cause diameter expansion, while also reducing frictional resistance with the well wall. In the narrow diameter section, the conversion unit switches the inner and outer sleeves to a synchronous rotation state, and the adjustment unit drives the auxiliary support component to retract, leaving only the main support component in contact with the well wall and rotating to scrape it, significantly reducing frictional resistance while efficiently removing mud cake and eliminating the risk of blockage.