11results about How to "Improve life expectancy" patented technology

The invention provides a power module switching method and system based on health monitoring, and the method comprises the steps: calculating the total damage and stability reaction coefficient of each power module based on the rated parameters and operation data of a plurality of power modules; performing nonlinear calculation by taking the total damage and stability reaction coefficient of each power module as a negative correlation variable to obtain the health degree of each power module; and selecting a group of target power modules from the plurality of power modules to perform switching control by adopting a health degree priority principle. According to the method and the system, the influence of accidental faults on the health degree is reflected through the stability reaction coefficient, and the health degree is comprehensively calculated in combination with total damage, so that the health degree can balance the risk of the power module at different aging stages, and on-demand switching, health priority and service life balance of the power module of the charging pile are realized; the average life of the power module is finally prolonged and the maintenance cost is reduced.

The application provides a subway station air conditioning water system energy-saving method based on a Modelica model and a genetic algorithm, relates to the technical field of track transportation building energy optimization and intelligent control, and the method comprises the following steps: a simulation model of a subway station air conditioning water system is established in Dymola software based on a Modelica language; the established simulation model is initialized with a population, a genetic algorithm is realized by using MATLAB, a minimum total energy consumption of the air conditioning water system is taken as an objective function, and an optimal control strategy is obtained; a Dymola-MATLAB joint simulation interface is constructed by using Python according to the optimal control strategy; and the optimal control strategy of the subway station air conditioning water system is obtained by iterative optimization through the genetic algorithm according to the joint simulation interface. Through the technical path of "precise modeling-intelligent optimization-closed loop control", the application systematically solves the industry problems of "high energy consumption and difficult control" of the subway station air conditioning water system, and provides an innovative solution for the construction of intelligent track transportation.

The utility model relates to a solar cell. The above-mentioned solar cell includes the monocrystalline silicon wafer of first doped type and the first intrinsic amorphous silicon layer and the first microcrystalline silicon layer of second doped type of laminated setting on monocrystalline silicon wafer, wherein, the first intrinsic amorphous silicon layer includes first sublayer and second sublayer, and the first sublayer is between the second sublayer and the first microcrystalline silicon layer;Second sublayer contains microcrystal, and the crystallization rate of second sublayer is 1%~5%, and the thickness of second sublayer is 1.3nm~2.5nm, and second sublayer can enhance the contact effect with the first microcrystalline silicon layer, reduce the series resistance of battery, and improve the filling factor and other performance parameters of battery.

The utility model discloses a kind of high-pressure wind grid transmission roller devices for photovoltaic glass toughening, including high-pressure wind grid roller way, high-pressure wind grid roller way is installed in high-pressure wind grid;With conveying direction as by front to back, high-pressure wind grid roller way is divided into the heat-resistant roller way area of front part and the conventional roller way area of rear part, heat-resistant roller way area is made of several high heat resistance rollers, high heat resistance roller is winding asbestos rope roller, conventional roller way area is made of several winding aramid rope roller. Through the application of the utility model, when photovoltaic glass is heated by electric heating furnace and enters high-pressure wind grid, first contact the winding asbestos rope roller of heat-resistant roller way area, it is full winding asbestos rope, with more durable heat resistance, can greatly improve the overall average life of high-pressure wind grid roller way. And the installation quantity of winding asbestos rope roller is controlled to not more than three, that is, the life of high-pressure wind grid roller way can be effectively improved, and the asbestos dust evaporation amount of asbestos rope can be guaranteed.

The application provides a rotary air preheater radial sealing gap control method, comprising the following steps: collecting target unit historical operation data set; training rotor thermal deformation prediction model based on the training sample set, and establishing gap-pressure mapping relationship library corresponding to different sealing wear stages through cold-state pressure calibration test; synchronously collecting multi-source parameters under current operation condition in real time; inputting real-time multi-source parameters into the trained rotor thermal deformation prediction model to output rotor gap prediction value under current condition; calling mapping relationship corresponding to wear stage from the gap-pressure mapping relationship library according to actual sealing operation time length, and converting the gap prediction value into pressure prediction value; setting contact pressure threshold value, combining with adjustment dead zone, overpressure / underpressure protection constraint condition, and calculating target adjustment amount of the sector plate; and controlling sector plate actuator to complete adjustment according to the target adjustment amount.

The application discloses a kind of anti-chlorine salt erosion rubber modified asphalt pavement pit slot repair composite process, in view of the interface peeling caused by chlorine salt erosion in traditional repair process, short repair life problem, innovatively proposes the three-stage repair system of "debridement-interface activation-bionic filling": (1) rough interface is formed by using high-pressure cyclone debridement device to remove loose debris;(2) spray anti-chloride bonding layer containing nano-silane coupling agent, the depth of penetration reaches 3-5mm, forms chemical barrier;(3) layered filling rubber modified asphalt mixture, the gradient compaction is implemented in 30-50Hz of adjustable frequency vibrating road roller.The application improves the interface strength by molecular bonding and mechanical interlocking dual action, realizes the dual anchoring of chemical bonding and mechanical engagement effect of repair layer and original pavement, improves the interface bonding strength, prolongs the service life of repair layer, effectively solves the technical problem that pit slot repair layer is easy to debond and fails in chlorine salt environment, and is suitable for the rapid repair of pavement diseases in coastal areas and road sections where deicing agent is used a lot in winter.

The invention belongs to the technical field of microorganisms, and particularly relates to bifidobacterium adolescentis FMBL B250316 MQ capable of resisting oxidation and prolonging the service life and application of the bifidobacterium adolescentis FMBL B250316 MQ, the bifidobacterium adolescentis FMBL B250316 MQ is preserved in China Center for Type Culture Collection on September 18, 2025, the preservation number is CCTCC M 20252061, galactooligosaccharides, soybean oligosaccharides and maltooligosaccharides can be utilized, the bifidobacterium adolescentis FMBL B250316 MQ has good acid resistance, cholate resistance and antibacterial characteristics, and the bifidobacterium adolescentis The compound has the effects of resisting oxidation, resisting aging and prolonging the service life, can be used for preparing medicines for resisting oxidation, resisting aging and prolonging the service life, and has a wide application prospect.

The utility model provides a rehabilitation arm transmission mechanism and a rehabilitation arm. The rehabilitation arm transmission mechanism comprises a front arm transmission part, an upper arm transmission part and a transmission assembly arranged between the front arm transmission part and the upper arm transmission part. The transmission assembly comprises a driving disc, the center of which is installed on the upper arm transmission piece through a fixing rod; the first driving rod and the second driving rod are coaxially hinged to the two sides of the driving disc, and the hinge point deviates from the circle center of the driving disc; the third driving rod is hinged to one end, far away from the driving disc, of the second driving rod; the end, away from the driving disc, of the first driving rod is hinged to a first connecting position of the front arm transmission piece, the end, away from the second driving rod, of the third driving rod is hinged to a second connecting position of the front arm transmission piece, and the middle of the third driving rod is hinged to the upper arm transmission piece through a pivot shaft. And the lightweight and flexibility of the robot are improved.

The invention belongs to the technical field of biological medicines, and discloses a novel application of an epimedium aqueous extract, icariin and icaritin in improvement of senescence-related fat accumulation and redistribution. The invention constructs a nematode-mouse dual verification model: firstly, in a caenorhabditis elegans model, it is found that the active ingredients can significantly reduce fat droplet accumulation and triglyceride level in senescence nematode bodies, and especially under the concentration of 50 [mu] M, icariin can reduce the triglyceride content of 15-day-old senescence nematode to 37.58% of a control group. Furthermore, a naturally aged mouse is evaluated by utilizing a high-resolution Micro-CT (VivaCT 80) living body imaging technology, and three-dimensional reconstruction and quantitative analysis prove that the medicine can remarkably reduce the volume of visceral fat in the abdomen of the aged mouse, effectively improve the ratio of visceral fat to subcutaneous fat (VAT / SAT ratio) and reverse central obesity caused by aging. The raw materials are from natural plants, have no obvious toxic or side effect after long-term administration, can accurately improve fat space distribution of aging organisms, and have significant clinical application value.

This invention provides a back-contact solar cell, its fabrication method, and its application, relating to the field of photovoltaic technology. Specifically, the back side of the back-contact solar cell of this invention includes n... + Back contact area, and the n + The back contact region includes a gradient-doped antimony layer and a molybdenum dioxide buffer layer. Compared with the p-doped traditional BC battery, this invention achieves significant improvements in minority carrier lifetime, contact resistance, and battery efficiency. Furthermore, by combining gradient antimony doping with the molybdenum dioxide buffer layer, it breaks through the efficiency-cost balance of BC batteries, reducing mass production costs and modification expenses, thus exhibiting excellent photovoltaic performance and practical value.

The invention provides a back contact cell, a preparation method thereof and a photovoltaic module, and relates to the technical field of solar cells, and the preparation method of the back contact cell comprises the following steps: carrying out electrochemical anodic oxidation treatment on a silicon substrate after laser film opening, and then preparing a metal electrode to obtain the back contact cell. According to the invention, an electrochemical anodic oxidation process is adopted to preferentially act on a high-activity damaged region caused by laser, the influence on a complete crystalline silicon region is extremely small, meanwhile, the defect density causing carrier recombination is reduced, the minority carrier lifetime in the cell is prolonged, an ideal and low-damage contact interface is provided for subsequent selective electroplating, and the performance of the cell is improved. And the filling factor of the BC battery can be improved.