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815results about How to "Optimize quantity" patented technology

Power battery management system and method thereof

The invention relates to an electrical design field and discloses a power battery management system and a method thereof. Estimation algorithm of cell state of charge (SOC), a heat management technology, a safety management and other new technologies are researched and implemented. The system in the invention comprises a safety management subsystem, a heat management subsystem, an optimization subsystem and the like. The safety management subsystem is used for monitoring charged states of cell monomers; determining whether the cell monomers are in discharge end states according to charged states of cell monomers and terminating cell discharges if the cell monomers are in discharge end states. The heat management subsystem is used for detecting temperatures of cell monomer surfaces; determining upper limits of temperature ranges in cell monomers according to temperature history information of cell monomer surfaces; determining temperature distribution information of a cell box consisting of all cell monomers; controlling an operating temperature of the battery according to temperature distribution information so that the operating temperature is in a range of preset temperatures. The optimization subsystem is respectively connected with the safety management subsystem and the heat management subsystem, and is used for controlling working states of the safety management subsystem and the heat management subsystem. In the invention, the safety management, the heat management and the like are applied in a management field of a power battery, which can improve safety performance, prolong service life, raise usage efficiency, give fully play to cell potential and guarantee the safety of using.
Owner:SHANGHAI FANGYA ENERGY TECH CO LTD

Energy-storage voltage-balanced power electronic electric energy converting system and control method thereof

The invention provides an energy-storage voltage-balanced power electronic electric energy converting system and a control method thereof. The energy-storage voltage-balanced power electronic electric energy converting system is composed of an energy storage module, a voltage-balanced converter, a power-grid-side inverter, a power grid load, an energy-storage-side inverter and an independent load. Through control over the high-frequency soft-switching voltage-balanced converter, balanced control over an energy storage unit or module is realized, the service life of energy storage equipment is prolonged, the use cost is reduced, and meanwhile, multiple routes of isolation direct voltage are provided for the power-grid-side inverter. The energy storage unit or module is charged and discharged through the electric energy converting system, electric isolation of energy storage and a power grid is realized, interaction is formed with the power grid, and the purposes of peak load shifting, harmonic suppression and reactive compensation are realized. The energy-storage voltage-balanced power electronic electric energy converting system is realized through modularized design and has the advantages that electric isolation of the power grid and the energy storage side is realized, control is simple, the size is small, the efficiency is high and the cost is low.
Owner:张良华 +1

Lateral shock absorption damper suitable for bridge structure

ActiveCN102953327AYield energy consumption maximizationMeet the seismic performance requirementsBridge structural detailsSnubberEnergy consumption
The invention relates to a lateral shock absorption damper suitable for a bridge structure. A triangular steel plate adopts a soft steel with good plasticity, the characteristics that a triangular plate has a total cross section and reaches the yielding energy consumption are utilized, so that the utilization rate of the energy consumption of the basic components of the triangular steel plate can be maximized. A lateral structure that spherical crown surfaces and smooth surfaces are alternatively arranged is arranged between the components of the triangular steel plate so as to transfer horizontal lateral earthquake force, the application points of the spherical crown surfaces and the smooth surfaces can freely slide, the lateral structure can clearly define the lateral stress application points of the triangular steel plate, and the longitudinal displacement requirements of a main beam can also be satisfied. The lateral shock absorption damper is a novel shock absorption and energy consumption metal damping device which has stable performance, comprehensive functions and low cost, not only can satisfy the lateral static load and wind load requirements on the bridge structure in the normal suitable state, but also can be cooperated with a longitudinal damper, so that the required longitudinal displacement requirement is met, and thus, shock absorption and energy consumption are carried along the lateral bride direction of the bridge structure.
Owner:TONGJI UNIV

Nutritional health food with function of improving gastrointestinal function and preparation method thereof

The invention discloses a nutritional health food with the function of improving gastrointestinal function and a preparation method thereof. The nutritional health food can be used for regulating the intestinal flora to improve the gastrointestinal function from the aspects of increasing the probiotics type and quantity, increasing the probiotics nutrient substance, inhibiting the growth of harmful bacteria and enhancing the immunity of human body. According to the preparation method, probiotics powder such as lactobacillus plantarum is used as the main raw material, and edible fungi extracts and modified dietary fibers are scientifically compounded; saussurea involucrata culture extracts which are capable of remarkably enhancing the immunity of human body, resisting inflammatory and easing pain, and have the functions of oxidation resistance, radiation resistance and fatigue resistance are used, so that while the intestinal probiotics flora types is increased, the fix planting capacity of the endogenous probiotics and exogenous probiotics in the intestinal tracts of human body is remarkably enhanced, and fix planting time of the endogenous probiotics and exogenous probiotics in the intestinal tracts of human body is prolonged remarkably, the growth and reproduction of the harmful bacteria, particularly the Gram negative bacteria, in the intestinal tracts are effectively inhibited, the forming of the probiotic floras in the intestinal tracts is fully regulated and the nutritional health food which is good in probiotic property, capable of remarkably enhancing the immunity of human body and has the effect of improving the gastrointestinal function is prepared.
Owner:北京东方兴企食品工业技术有限公司
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