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A lightweight cae geometry engine and cloud real-time collaboration method and system
The application relates to the technical field of CAE preprocessing and cloud cooperation, and discloses a lightweight CAE geometry engine and a cloud real-time cooperation method and system. A cloud server acquires an original CAE geometry model, performs topological simplification and data compression on the original CAE geometry model, and generates a lightweight geometry data file containing multiple resolution levels; the cloud server pushes the received difference data packet to other online cooperation terminals; the other cooperation terminals parse the unique version number carried by the difference data packet through a locally loaded WebAssembly geometry engine module, and perform operation replay updating on the local geometry model according to the differential data contained in the difference data packet. According to the scheme, the original CAE model data volume is reduced by 90%-95%, the WebAssembly engine realizes a 100,000-face model rendering frame rate of 30-60 fps, and the operation response delay is less than or equal to 100 ms, thereby breaking through the performance bottleneck of browser-side geometry processing.
Owner:KUNLUN DIGITAL (SHANGHAI) INFORMATION TECH CO LTD
Wind power tower multidirectional strain monitoring device based on fiber bragg grating
The utility model provides a wind power tower multidirectional strain monitoring device based on fiber bragg gratings, and relates to the technical field of wind power tower monitoring. Comprising a decagonal mounting shell, a strain sensor center pile and a plurality of insertion piles, the mounting shell is composed of a bottom shell, a top shell and ten connecting plates, the center pile is arranged in the center of the bottom shell, and insertion openings are formed in the side edges of the center pile. The splicing piles are hollow cuboids, grating strings are arranged in the splicing piles, and the two ends of each splicing pile are optically connected with the center pile and the adjacent splicing piles through splicing plugs respectively, so that 360-degree all-circumferential strain monitoring is achieved. The device adopts an all-fiber, passive and modular design, is convenient to install, anti-interference and maintenance-free, and is suitable for distributed strain monitoring of the wind power tower.
Owner:LONGYUAN (TIANJIN BINHAI NEW AREA) WIND POWER CO LTD
Water purification equipment
ActiveCN224062504UAffect service lifeavoid wastingSemi-permeable membranesWater/sewage treatment bu osmosis/dialysisReverse osmosisWastewater
The utility model relates to the technical field of water purification, particularly provides water purification equipment, and aims to solve the problem that the use experience of a user is influenced due to poor washing effect and waste of water resources when the conventional water purification equipment is used for washing a reverse osmosis membrane filter element. The water purification equipment comprises a reverse osmosis membrane filter element, a flushing pipeline and a dirt collection component, and the water inlet end and the water outlet end of the flushing pipeline are communicated with the wastewater end and the water inlet end of the reverse osmosis membrane filter element respectively, so that the flushing pipeline, the water inlet end of the reverse osmosis membrane filter element and the wastewater end of the reverse osmosis membrane filter element are sequentially communicated to form a flushing loop; the water purifying equipment can drive liquid in the flushing loop to flow circularly, and the dirt collecting component is arranged on the flushing loop and used for collecting dirt. According to the reverse osmosis membrane filter element washing device, a washing loop can be formed to circularly wash the reverse osmosis membrane filter element, washed dirt can be collected, secondary pollution to the reverse osmosis membrane filter element is prevented, the washing effect is improved, water resources are saved, and the use experience of a user is improved.
Owner:QINGDAO HAIER STRAUSS WATER EQUIP CO LTD +1
A wafer exposure machine with an external variable light intensity attenuation device
ActiveCN224624921UMeet exposure process needsfree installation
This invention belongs to the field of semiconductor manufacturing technology, specifically relating to a wafer exposure machine with an external variable light intensity attenuation device. It includes a mask stage and an illumination system, with the illumination system positioned above the mask stage. The machine also includes a variable light intensity attenuation device disposed between the mask stage and the illumination system. By externalizing the variable light intensity attenuation device and placing it between the mask stage and the illumination system, this invention not only achieves light intensity attenuation to meet the requirements of exposure processes with different light intensities, but also allows for convenient and quick adjustment of the light intensity attenuation level without the need for attenuation filters within the illumination system, significantly improving the machine's efficiency.
Owner:武汉鑫威源电子科技有限公司
A method for the preparation of a monopropellant integral catalyst
The application discloses a preparation method of a monopropellant monolithic catalyst, selects a honeycomb ceramic carrier which has good heat conductivity and heat shock resistance and can keep stable structure in a high-temperature environment, coats a modified alumina coating on the surface of the ceramic carrier, and then loads noble metal as a catalytic active component through an impregnation method, so that the connectivity between the noble metal active component and the carrier is enhanced, the noble metal loading capacity is increased, the coating firmness is improved, the catalyst breakage rate is significantly reduced, and the catalyst thermal stability is improved. The monolithic catalyst prepared by the application has high catalytic activity, good coating firmness, and the modified alumina coating can also increase the strength of the carrier, can effectively inhibit sintering and phase change of the carrier in a high-temperature environment, improve the thermal stability, and is not easy to break in a high-temperature environment.
Owner:AUSTEN TECH BEIJING CO LTD
Switch cabinet convenient to install
ActiveCN224191489Ufree installationFree debuggingBus-bar/wiring layoutsSubstation/switching arrangement casingsStructural engineeringSwitchgear
Owner:TANGSHAN DUNSHI ELECTRIC CO LTD