7results about How to "Achieve independence" patented technology

The invention discloses an alkaline earth metal stable oxygen-like superatomic cluster material and a preparation method thereof.The material is prepared from aluminum powder, alkaline earth metal hydride and anhydrous metal halide serving as a structure-directing agent, and the preparation method comprises the steps that firstly, under the inert atmosphere, the raw materials are subjected to high-energy ball milling to prepare a composite precursor; then temperature programming heat treatment is carried out, hydrogen generated by hydride in-situ decomposition is used for reducing an interface and inducing lattice defects, and meanwhile, interface migration and chemical adsorption effects of halide ions are used for pinning newly generated cluster units; and finally, carrying out non-equilibrium densification through spark plasma sintering. According to the method, the defect that a thermodynamically stable alloy phase is easily formed in a traditional smelting method is overcome, the oxygen-like cluster structure with the 38 electron open shell layer characteristic is successfully stabilized in a macroscopic solid state through a synergistic mechanism of gas phase pore forming and interface pinning, and the material is endowed with excellent catalytic activity and semimetal conduction characteristic.

This utility model provides a carbon fiber paper molding device, relating to the field of carbon fiber paper material processing technology. Specifically, it includes an upper carbon fiber paper mold and a lower carbon fiber paper mold. U-shaped plates are fixedly installed on corresponding sides of the lower carbon fiber paper mold. Hydraulic rods are installed on the top of both U-shaped plates, penetrating and fixedly connected to them. The output ends of both U-shaped plates are fixedly connected to the upper carbon fiber paper mold. This application utilizes multiple pressure units at the bottom of the pressure plate, through the coordinated action of a servo motor, lead screw, pressure sensor, and execution pressure head, to achieve independent and precise pressure control of different areas of the carbon fiber paper. The servo motor drives the lead screw to move the execution pressure head. Combined with real-time feedback from the pressure sensor, the pressure in each area can be flexibly adjusted according to the characteristics of the carbon fiber paper and molding requirements, effectively avoiding molding defects caused by uneven local pressure and significantly improving the molding quality of the carbon fiber paper.

The application provides a repetition frequency tuning system and a frequency stabilization method based on a microcavity soliton optical frequency comb, which comprises: a pump laser generation module, which is suitable for providing continuous pump laser; a pump laser feedback module, which is suitable for monitoring the pump laser in real time, so that after the microcavity soliton optical frequency comb is generated, a first error signal is transmitted to the pump laser generation module to lock the frequency of the pump laser; a whispering gallery mode microcavity, which is suitable for providing a reaction space for generating the microcavity soliton optical frequency comb based on the pump laser generated by the pump laser generation module; an auxiliary laser generation module, which is suitable for providing auxiliary laser for inhibiting the thermal effect in the whispering gallery mode microcavity and transmitting the auxiliary laser to the whispering gallery mode microcavity, so that the generation of the auxiliary microcavity soliton optical frequency comb and the adjustment of the local dispersion in the whispering gallery mode microcavity are realized; and an auxiliary laser feedback module, which is suitable for monitoring the repetition frequency in real time and transmitting a second error signal to the auxiliary laser generation module, so that the tuning and locking of the repetition frequency are realized.

This invention relates to the field of electricity metering box technology, specifically to an electricity metering box with a built-in detachable concentrator and its assembly method, comprising: a box body, and a cabinet door rotatably mounted on the box body, a guide rail provided inside the box body, and a concentrator slidably mounted on the guide rail; a fixing plate symmetrically arranged at the bottom of the box body, on which a push rod and a follower rod are slidably mounted, the follower rods being symmetrically distributed; a follower locking mechanism disposed on the concentrator and connected to the box body, the follower locking mechanism being able to drive the follower rod to move synchronously when the push rod moves, and locking the position of the concentrator inside the box body; and a rotation and translation mechanism disposed on the fixing plate, the rotation and translation mechanism being provided with a limit component, the concentrator being installed in a safe and orderly manner by locking the position of the concentrator through the follower locking mechanism and locking the push rod and follower rod through the limit component.

The present application relates to the field of tractor suspension, and particularly relates to a tractor suspension automatic leveling device and a control method thereof. The tractor suspension automatic leveling device comprises a mounting frame, a plurality of connecting beams are fixedly connected to the mounting frame, a damping leveling system is connected to the mounting frame, a suspension frame is connected to the damping leveling system, a horizontal plate is fixedly connected to the suspension frame, the suspension frame is used for mounting a machine tool, a double-shaft inclination sensor is mounted on the horizontal plate, and a rotating leveling system is arranged. The leveling and damping functions are integrated in the same oil cylinder. When the impact acceleration exceeds the set threshold, the inertia sensitive valve core is automatically opened, the main oil cylinder cavity is communicated with the energy storage cavity, the millisecond mechanical impact absorption is realized, the sensor and the controller are not needed to intervene, the response speed is superior to that of the traditional electric control damping scheme, after the impact, the hydraulic oil in the energy storage cavity slowly returns to the original position through the one-way throttling valve, the leveling and damping functions are cooperatively worked, and the posture deviation is avoided.

This invention belongs to the field of reactive power generator simulation technology, specifically disclosing a decoupled parallel simulation method, system, terminal, and medium for reactive power generators. The method first uses a preset decoupling strategy to segment the original electrical system model into a network, generating multiple independent sub-module decoupled models and a system-level bridge arm equivalent circuit model; then, it performs task partitioning based on a CPU-GPU heterogeneous computing architecture; finally, it aggregates the solution results from both ends to advance the simulation step size. This invention effectively breaks through the computing power bottleneck of traditional pure CPU serial computing while ensuring high-precision electromagnetic transient simulation, significantly improving the simulation efficiency and numerical stability for large-scale cascaded reactive power generators.

This invention discloses a multi-state, multi-application real-time library system and device suitable for substation centralized control. This multi-state, multi-application real-time library system includes a basic configuration module, a real-time library memory structure management module, a rule loading and triggering mechanism module, and a cross-section model loading module. The basic configuration module is used to define states and applications, configure machine nodes, and configure memory capacity. The real-time library memory structure management module is used to implement shared memory based on application-level granularity. The rule loading and triggering mechanism module is used to bind attribute types in the model dictionary to corresponding rules and add a rule triggering mechanism to the real-time library write interface. The cross-section model loading module is used to implement online loading and notification subscription functions for cross-section models. This invention adopts a loosely coupled application composition mode to build a multi-state environment, allowing specified applications to be changed at any time, achieving online plug-and-play functionality, greatly improving the system's reliability, usability, and security.