11results about How to "Guaranteed directionality" patented technology

The invention discloses a reactor cabin structure internal pressure-bending combined load test device and a test method thereof.The device comprises a test module, the test module comprises a test section, a first transition section and a second transition section, and the test section is provided with a first pressure cabin and a second pressure cabin; the internal pressure loading module comprises a water tank and a pressure pump; the bending loading module comprises a first vertical loading mechanism and a second vertical loading mechanism; the bottom supporting module comprises a first supporting mechanism and a second supporting mechanism; and the measuring module comprises a first pressure sensor, a second pressure sensor and a pressure gauge. According to the invention, the internal pressure loading module and the bending loading module are used for simulating the load of the pressure chamber structure under dual accident conditions, the structural response under the condition of superposition of different internal pressure loads and different bending loads is known, and the safety and reliability of a chamber section model of the pressure chamber structure under the accident conditions are analyzed.

The application discloses a natural language and meta-model driven code generation system, which comprises an AI layer containing multiple intelligent agents working cooperatively, the AI layer being configured to receive natural language instructions and perform intent recognition, entity extraction, context analysis and constraint verification through the intelligent agents to generate structured metadata; a meta-model engine configured to construct and instantiate one or more meta-model objects according to the structured metadata generated by the AI layer; and a code template engine configured to match one or more corresponding code templates from a code template library according to the content and type of the meta-model objects, and generate executable code or configuration files in one or more target languages through rendering. According to the scheme, natural language is converted into a meta-model decoupled from technology through AI, and high-quality standardized code is automatically generated through a template engine, thereby improving development efficiency and enabling developers to focus on core business innovation.

The utility model discloses an energy accumulator device for inhibiting vibration of a control oil pipeline of a thermal turbine unit, which belongs to the technical field of thermal turbines and comprises a pressure oil inlet, a pressure oil outlet connected with a hydraulic servo-motor, a one-way valve and two sets of energy accumulation mechanisms. The pressure oil outlet is connected with an oil outlet of the one-way valve, and the two energy storage mechanisms are connected to the oil outlet of the one-way valve in parallel and are redundant to each other. Each energy storage mechanism comprises a pressure oil stop valve, a leather bag type energy accumulator and an air supply monitoring assembly which are sequentially connected, one end of each pressure oil stop valve is connected with an oil cavity of the corresponding leather bag type energy accumulator, and the other end of each pressure oil stop valve is connected with an oil outlet of the corresponding one-way valve and the corresponding pressure oil outlet. The technical problems that due to response lag of a far-end control oil pump, the flow velocity of oil in a pipeline fluctuates, and flow supply is insufficient are solved, vibration of a control oil pipeline of the thermal turbine unit can be effectively restrained, and stability and safety of operation of the thermal turbine unit are facilitated.

The embodiment of the invention discloses a magnetic field measuring device and a magnetic field measuring method. The magnetic field measuring device is used for measuring a magnetic lens and comprises a gauss meter, a constant current source, a first movement mechanism and a second movement mechanism, the gauss meter comprises a gauss meter probe; a fixing piece is arranged on the first movement mechanism; an opening is formed in the fixing piece, and the gauss meter probe penetrates through the opening and is exposed out; the second movement mechanism is used for bearing the magnetic lens, and the movement direction of the first movement mechanism is the same as the axial direction of the magnetic lens; the constant current source is electrically connected with the magnetic lens, and the constant current source is used for providing preset current for the magnetic lens. According to the technical scheme, through the design of a mechanical structure, the gauss meter probe is fixed to the first movement mechanism through the opening of the fixing piece, the second movement mechanism is used for bearing the magnetic lens, the axis of the magnetic lens is in the first direction, the load of the second movement mechanism can be reduced, and the directivity of the axis of the magnetic lens can be guaranteed; measurement of the magnetic field of the magnetic lens is realized, and the performance of the magnetic lens is evaluated.

The utility model is applicable to the technical field, and provides a novel area light source with a breathing lamp function, which comprises a frame body, a bottom cover plate is arranged at the bottom end of the frame body, an optical film component is arranged in the frame body, and the optical film component comprises a reflector plate arranged at the top end of the bottom cover plate. A light guide plate is arranged at the top end of the reflection sheet, a diffusion sheet is arranged at the top end of the light guide plate, tempered glass is arranged at the top end of the diffusion sheet, an optical film assembly containing groove matched with the optical film assembly is formed in the inner side edge of the frame body, and a light bar containing groove is formed in one side of the optical film assembly containing groove. A light bar is arranged in the light bar placing groove; through the arranged structure, the heat dissipation effect is good, installation is convenient, and the situation that the service life is affected due to too high heat is avoided.

This invention proposes a single-shear apparatus and shearing method for uniform shear strain distribution. The shearing method includes installing a shearing assembly, loading the sample into the stack of plates of the shearing assembly, installing a vertical loading device and a shear force loading device, applying a vertical load to the sample to consolidate the sample, installing a left-side sliding limit device, and applying a horizontal load to the consolidated sample for shearing. This invention can precisely control the shearing direction, solve the problem of shear force direction deflection in the prior art, and enable uniform shearing of the sample, ensuring uniform vertical shear strain distribution.

The steam waste heat reuse device belongs to the technical field of industrial heating equipment, and aims to solve the problems of insufficient steam pressure, waste of steam waste heat and long heating cycle affecting production efficiency in the existing heating mode. The technical scheme for solving the problem comprises the following steps: first, second and third heating tanks with the same structure are arranged; the steam outlets of the heating tanks are connected with the steam inlets of the next heating tank through first and second preheating pipes, respectively; a one-way valve is arranged on the preheating pipe; a first steam injection pipe and a first electromagnetic valve are arranged on the top of the first heating tank; the steam injection pipes are connected through second and third steam injection pipes and corresponding electromagnetic valves; a discharge pipe and a hand screw valve are arranged at the bottom of the first heating tank; and a buffer baffle is arranged on the inner wall of the preheating pipe. The device can ensure the steam pressure by heating in sequence, preheat the subsequent tank body by using the waste heat, shorten the heating cycle, and improve the energy utilization rate and production efficiency.

The utility model provides an automatic sock turning device which comprises a processing table top, a connecting seat, a supporting frame, a supporting seat, a sock turning body, a turning gas ejector pipe and an adsorption gas extractor, the connecting seat is fixedly installed on the front side of the surface of the processing table top, the supporting frame is fixedly installed on the connecting seat, and the supporting seat is fixedly installed on the inner side of the supporting frame; the sock turning body is fixedly installed at the front end of the supporting seat, and the turning gas ejector pipe and the adsorption gas extractor are fixedly installed at the rear end of the supporting seat and communicate with the sock turning body. Due to the arrangement of the supporting seat and the sock turning body, socks can be turned over quickly, continuous operation can be achieved, and the processing efficiency is high.

The invention discloses a long-distance communication cosecant square beam antenna array and an optimization method thereof, the long-distance communication cosecant square beam antenna array comprises an FR4 dielectric substrate and a plurality of U-shaped groove microstrip patch antenna units, the plurality of U-shaped groove microstrip patch antenna units are tiled and printed on the FR4 dielectric substrate, and the plurality of U-shaped groove microstrip patch antenna units are printed on the FR4 dielectric substrate. The plurality of U-shaped groove microstrip patch antenna units are uniformly spaced, the FR4 dielectric substrate is arranged in a rectangular shape to realize a cosecant square beam shape, and the centers of the U-shaped groove microstrip patch antenna units are connected with the SMA head and are connected with the feed network; the optimization method comprises the steps of antenna array design, cosecant square beam forming, feed network design according to optimized excitation distribution ODE obtained through calculation, and microwave anechoic chamber far-field physical testing. According to the invention, the directivity and the stability of signal transmission are ensured, the sidelobe level is effectively reduced, unnecessary signal interference is reduced, and the anti-interference capability, the integration level and the flexibility of the antenna array are improved.

The invention provides an NK cell specific chimeric antigen receptor and application thereof, and belongs to the technical field of immunotherapy. The invention provides a specific chimeric antigen receptor of an NK cell. The specific chimeric antigen receptor comprises an NKG2D transmembrane segment, a 2B4 intracellular segment structural domain and an FCER1G intracellular segment structural domain which are connected in sequence. The invention also discloses a coding gene of the specific chimeric antigen receptor, an expression vector containing the coding gene, a gene editing immune cell and application of the gene editing immune cell in preparation of medicines for preventing and / or treating tumors. According to the present invention, cell coupling formation, particle polarization, degranulation, in vitro killing experiments and cytokine secretion experiments prove that the specific chimeric antigen receptor has good functional performance.

The present application relates to a high and low temperature strain calibration device based on a pure bending beam, comprising a base, a driving part, a lead screw, an air-floating support structure, a loading force arm, a beam to be measured, a fixed bracket and a laser ranging assembly; the upper surface of the base is horizontal, the driving part and the lead screw are mounted on the base, the lead screw is connected to the output shaft of the driving part by transmission, and the lead screw is a straight rod structure; the air-floating support structure comprises a first support member and a second support member; the bottom of the loading force arm is mounted on the base through the first support member, and is perpendicular to the lead screw, one end of the two loading force arms is connected to the lead screws on both sides of the driving part by transmission, the other end of the loading force arm is provided with a clamping part, and the two loading force arms clamp the beam to be measured together; the rotation of the lead screw can drive the two loading force arms to be relatively close or drive the two loading force arms to be relatively far away; the bottom of the fixed bracket is mounted on the base through the second support member; the laser ranging assembly is mounted on the fixed bracket, and the measuring end of the laser ranging assembly is vertically facing the beam to be measured.