Patents
Literature
Patsnap Copilot is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Patsnap Copilot

5702results about How to "Reasonable use" patented technology

Design method for distributed hydrological model by using grid as analog unit

The invention discloses a design method for a distributed hydrological model by using a grid as an analog unit, which is called as ESSI for short. The design method comprises the following steps of: obtainment of a distributed parameter: converting vector data into grid data; generalization of a watershed hydrological process: establishing a universal runoff generating type for the grid; design of a runoff generating process: respectively computing the water-quantity distributing condition of each part according to different prior-period soil water conditions; design of a flow collecting process: respectively designing a Muskingum-Cunge method, a delay algorithm and a riverway segmentation Muskingum method for the flow collecting process computation of the model under different conditions; and model development and integration. The invention not only can finish the watershed hydrological process simulation at an arid region and a humid region, but also can realize the short-term flood forecast and the long-term rainfall-runoff process simulation and prediction of a watershed by using modularization and integration ideas as means, thereby providing scientific reference bases for deeply learning about the physical mechanism of water circulation by people, reducing the drought and water-logging disasters and reasonably developing and utilizing water resources.
Owner:NANJING UNIV

Car sharing method and system

The invention discloses a car sharing method and system. The system comprises a reserving terminal (1), a network server (2), a vehicle-mounted device (3), a radio frequency identification card (4) and a database server (5). The reserving terminal (1) is connected with the network server (2) by means of network communication. The radio frequency identification card (4) is connected with the vehicle-mounted device (3) through radio frequency. The vehicle-mounted device (3) is connected with the network server (2) through a network. The network server (2) is connected with the database server (5) through a network. A user reserves a car needed for use and a time period through the reserving terminal (1) and sends an order to the network server (2), the network server (2) sends the order to the vehicle-mounted device (3) of the corresponding car, the user takes the car by himself / herself after arriving at a specified parking site within the reserved time period and checking the identity with the vehicle-mounted device (3) through the radio frequency identification card (4) and returns the car by himself / herself to the specified parking site within the reserved time period, and the network server (2) conducts expense settlement according to the order time of the user and the traveling distance of the car after the car is returned.
Owner:HANGZHOU EVNET INTELLIGENT TECH CO LTD

User sleeping state-based household appliance control device and control method

The invention discloses a user sleeping state-based household appliance control device and a user sleeping state-based household appliance control method. The device comprises a physiologic information monitor and a plurality of household appliance terminal controllers, wherein the physiologic information monitor is connected with the household appliance terminal controllers in a wireless or wired way; a physiologic information sensor for monitoring the sleeping state of a user is connected outside the physiologic information monitor; and the household appliance terminal controllers control corresponding household appliances to work. Various physiologic information parameters of the user during sleeping are acquired and monitored by the physiologic information sensor and information is mined so as to judge whether the user is asleep or awake and whether the user is at a slow eye motion (or slow wave sleep) stage or a quick eye motion (or paradoxical sleep) stage. Therefore, working states of the household appliances are controlled accurately through the household appliance terminal controllers, household appliance intellectualization is realized, the sleeping quality of the household appliance user is enhanced and the aims of saving energy and protecting the environment are fulfilled.
Owner:ZHEJIANG UNIV

Method, device and system for configuring power supply system

The invention relates to a method, a device and a system for configuring a power supply system. The method comprises the following steps of distributing a total available power to each power supply apparatus according to an initialization distribution strategy; monitoring the variable attribute of the power supply system; when the change of the variable attribute is monitored, ordering all ports according to the priority level of each port on each power supply apparatus, sequentially accumulating the needed power of each port according to the sequence of the ports, respectively counting the needed power of each power supply apparatus, and redistributing the total available power to each power supply apparatus according to the needed power. The device comprises an initialization distribution module, a monitoring module, an ordering module and a power distribution module for realizing the method. The system comprises the configuration device for the power supply system as well as a power module and a power supply apparatus. In the invention, after all ports on each power supply apparatus are completely ordered, the total power of the power source is redistributed according to the needed power, thereby ensuring the power supply of the high priority port, realizing the distribution according to the needs and saving power.
Owner:BEIJING XINWANG RUIJIE NETWORK TECH CO LTD

Extraction method of direct coal liquefaction residues and application of extracts

The invention relates to an extraction method of direct coal liquefaction residues and application of extracts. The extraction method comprises the following steps: a) adding coal liquefaction residue powder and a first extraction solvent to a stirred tank to undergo primary extraction; b) carrying out solid-liquid separation on the extracted mixture obtained in the step a), recovering the first extraction solvent from the obtained liquid in a solvent recovery unit and recycling the first extraction solvent, obtaining heavy liquefied oil after recovering the first solvent, carrying out moderate hydrogenation on the heavy liquefied oil and other recycled solvents in a coal liquefaction solvent hydrogenation unit and using the product as the recycled solvent in the coal liquefaction process; c) mixing solid obtained through solid-liquid separation of extracts obtained after primary extraction with a second extraction solvent to undergo secondary extraction; d) carrying out solid-liquid separation on the extracted mixture obtained after secondary extraction, obtaining asphaltic substances after recovering the second solvent from the obtained liquid in the solvent recovery unit and carrying out heat treatment on the asphaltic substances by heating and carbonizing to obtain mesophase asphalt and oils.
Owner:CHNA ENERGY INVESTMENT CORP LTD +2

Alternating current and direct current hybrid micro-grid system and control strategy thereof

The invention discloses an alternating current and direct current hybrid micro-grid system and a control strategy of the micro-grid system. The micro-grid system comprises multiple generation units, load, a distribution line for connecting the generation units and the loads, and a monitoring protection unit; each generation unit comprises a large power grid, grid-connected AC/DC (alternating current/direct current) of the large power grid, an energy storage system, a DC/DC (direct current/direct current) converter of the energy storage system, a wind power generation system, an AC/DC converter of the wind power generation system, a photovoltaic power generation system, a DC/DC converter of the photovoltaic power generation system, and a diesel generator; said load includes AC non-significant load, AC significant load, AC/DC load, DC significant load and DC non-significant load; the distribution line comprises a DC distribution line and an AC distribution line; the operating status of each energy conversion device can be monitored in real time by the monitoring protection unit, two operating ways such as grid connection and isolation of the system can be realized by different control strategies, the distributive generation unit and the energy storage unit realize coordination and cooperation by controlling energy storage DC/DC, photovoltaic DC/DC, and wind power AC/DC, so that the power supply reliability is improved and the significant load can continuously operate.
Owner:南京国臣信息自动化技术有限公司

Method for combination processing heavy oil by pyrolysis and gasification

The invention relates to a heavy oil processing method by combining thermal cracking and gasification. A raw material is conducted to a reactor from the bottom of a gas-solid separation region, is dispersed into oil drops through an atomizer; a lightweight component of the oil drop is volatilized to form oil gas in the falling process of the oil drops in a thermal cracking region; a heavy component is condensed to form coke, wherein the oil gas carries out thermal cracking reaction; coke particles drop into a gasification region and carry out gasification reaction at a temperature of between 800 and 1,600 DEG C to generate synthetic gas; one part of residual fine coke particles drop into an ash hopper to form clinker; the other part of the residual fine coke particles and the generated gas flow upwards together, are contacted with the descending liquid drops and carry out heat exchange; gas phase and coke in the gas-solid separation region of the upper part of the rector are separated; the separated fine coke particles re-drop into the thermal cracking region and the gasification region and continuously react; and the separated gas phase flows out of the rector, enters a subsequent separation system and is separated into synthetic gas, dry gas, liquid gas, gasoline, diesel, oil slurry and other products. The method has high gasification efficiency and reasonable utilization of heat energy and reduces energy consumption.
Owner:CHINA PETROLEUM & CHEM CORP +1

Vehicle air-conditioner system with battery heat management function

A vehicle air-conditioner system with a battery heat management function comprises a compressor, a condenser, a first expansion valve and an evaporator. The compressor, the condenser, the first expansion valve and the evaporator are connected in the first flowing direction of a refrigerant to form an air-conditioner refrigeration circulation loop. The vehicle air-conditioner system further comprises a plate heat exchanger, a second expansion valve, an air-water heat exchanger, a fan, a water pump, an electric heater and a battery pack built-in heat exchanger. The fan is arranged on the air inlet side of the air-water heat exchanger. The compressor, the condenser, the second expansion valve and the plate heat exchanger are connected in the second flowing direction of the refrigerant to form a battery cooling low-temperature medium circulation loop. The battery pack built-in heat exchanger, the water pump, the plate heat exchanger, the air-water heat exchanger and the electric heater are connected in the water circulation direction to form a battery temperature adjusting medium circulation loop. According to the vehicle air-conditioner system, uniform management of the temperature inside a vehicle and the temperature of a battery is achieved, a battery pack is in the better temperature environment all the time during working, and it is ensured that the good refrigeration effect is achieved inside the vehicle.
Owner:TIANJIN SANDEN AUTO AIR CONDITIONING

Hot in-plant reclaimed asphalt mixture

The invention relates to a hot in-plant reclaimed asphalt mixture. The mixture includes the following components by mass percent: 30 to 50 percent of milling materials, 44 to 67 percent of newly collected materials, 1.5 to 4 percent of mineral powder, 1.5 to 4 percent of new asphalt, and ARA regenerant which is 0 to 10 percent of the mass of the recycled asphalt contained in the milling materials.The processing method includes the following steps: (1) extraction and analysis of the milling materials; (2) asphalt performance test; (3) regenerant addition; (4) formation of mixture of the recycled asphalt; (5) Marshall test or rotary compacting test; and (6) mixture performance test. The proportion of milling material RAP reaches as high as 50 percent in the engineering application of the hot recycled asphalt mixture, the milling material RAP can be applied to a middle layer, and the proportion is higher than the proportions of other hot recycled mixtures by more than 20 percent. The mixture can be applied to various grades, such as the AC type, SUPERPAVE, and the like, and the RAP proportion can respectively reach 30 percent or even more than 50 percent. When the mixture is used forpaving a road surface, the road performance can respectively meet the requirements on performance of a newly proportioned asphalt mixture, and the high temperature performance is even superior to thenewly proportioned asphalt mixture. Therefore, the invention has obvious economic benefit.
Owner:JIANGSU HUAIAN TRAFFIC SURVEY & DESIGN INST

A selective hydrogenation process for C4 stream with high butadiene content

The invention relates to a selective hydrogenation process for a C4 material flow with high concentration of butadiene. The selective hydrogenation process comprises the following steps of: enabling the C4 material flow with the high concentration of butadiene to pass through one or more fixed bed hydrogenation reactors (I) with circulation pipelines, carrying out a selective hydrogenation reaction on the C4 mixture with high concentration of butadiene under the action of a catalyst to remove the butadiene and alkyne and generate butylene, enabling the reactor to pass through a terminal reactor (II) without the circulation pipeline, and further removing the residual butadiene and alkyne from the C4 material flow with the low concentration of butadiene. By utilizing the selective hydrogenation process and the catalyst provided by the invention, the controlled concentration range of the butadiene and the C4 alkyne of the C4 material flow is 5-80wt%, the concentrations of the butadiene and the alkyne of the hydrogenated C4 material flow can be respectively reduced to below 10ppm, the selectivity of the 1-butene generation by the butadiene can be more than 50%, and the butadiene can be taken as the raw material of preparing the 1-butene. According to the selective hydrogenation process disclosed by the invention, the C4 material flow is reasonably utilized.
Owner:CHINA PETROLEUM & CHEM CORP +1

Method for designing distributed-type hydrographical model based on penetration-storage integrated dynamic runoff yield mechanism

InactiveCN102419788AReasonable useReduce drought and flood disastersClimate change adaptationSpecial data processing applicationsGeneration processFlood hazard
The invention discloses a method for designing a distributed-type hydrographical model based on a penetration-storage integrated dynamic runoff yield mechanism, which relates to a method for designing a hydrographical forecast model, and mainly comprises the following steps that: A) acquiring distributed-type parameters; B) generalizing hydrographic process of a river basin; C) designing a penetration-storage integrated runoff generation process; and D) designing a junction process. The method is based on the penetration-storage integrated dynamic runoff yield mechanism to coordinate the distribution of water in the hydrographical sub-processes and to dynamically simulate the runoff generation process of grids, so not only can an advanced calculation and simulation platform be provided to other associated hydrographical ecological research such as sand generation and sand output of the river basin, transportation and movement of nutrients, dispersion of pollutants and the like, but also drought and flood hazards of the society can be reduced, scientific references can be provided to the reasonable development and utilization of the water resource, and scientific reference and reasonable suggestions can be provided to the management and scheduling of the water resource in China.
Owner:NANJING UNIV
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products