41results about How to "High quality development" patented technology

The invention discloses a decentralized data transaction method based on blockchain. The method is applied to a big data transaction environment composed of a secret key generation center, a blockchain and an intelligent contract; data summary information collection of a data transaction market is achieved through the blockchain, evaluation information of data use conditions is recorded, and transaction records in data transaction are recorded; data requirements can be issued through the intelligent contract, data required by a data demander is matched and screened, and distribution of data rewards is automatically completed. The problem that a data transaction center is not credible can be solved, ownership and informed rights of a data provider to personal data in transaction are guaranteed, intelligence and high efficiency of the data transaction process are improved, and therefore safe and reliable big data transaction service can be provided for two transaction parties.

The invention provides an aquaculture water quality monitoring and early warning system based on Internet of Things. The aquaculture water quality monitoring and early warning system based on Internet of Things includes a water quality monitoring subsystem, a video monitoring subsystem, a cloud database and a cloud controller. The aquaculture water quality monitoring and early warning system based on Internet of Things is characterized by marking the name, position and number of each point to be monitored and the water quality index allowed range value of each point to be monitored on a map; splicing the video image and integrating the video information with the map to form the monitoring video of the whole aquaculture area; marking the real-time data of the water quality index in the monitoring video; and comparing the real-time data of the water quality index with the water quality index allowed range value, and performing early warning when the real-time data of the water quality index exceeds the water quality index allowed range value. The aquaculture water quality monitoring and early warning system based on Internet of Things applies the Internet of Things technology to aquaculture, and enables aquaculture to develop to the trend of large scale, high level and high quality.

The invention provides a digital twinborn body construction method for precise monitoring of a sunlight greenhouse. The digital twinborn body construction method comprises the following three steps that 1, preparation is carried out, and early-stage information is collected and a digital twinborn sunlight greenhouse scheme is formulated; 2, a digital twinborn sunlight greenhouse is constructed, and the digital twinborn sunlight greenhouse comprises a digital process, a standardized process and an intelligent process; and 3, operation maintenance is carried out, and the constructed digital twinborn body is expanded, fed back and optimized. According to the digital twinborn body construction method for precise monitoring of the sunlight greenhouse, automatic real-time acquisition, display and modeling analysis of multi-environment element data can be realized, automatic linkage regulation and control according to an early warning rule are supported, and the effects of improving crop yield, reducing operation and management cost, improving disaster risk resistance, optimizing a management mode and enhancing greenhouse automatic management and control capability are achieved.

The invention discloses a steel plate for an air conditioner compressor. The steel plate comprises the following chemical components in percentage by weight: 0.04%-0.075% of C, less than or equal to 0.05% of Si, 0.10%-0.30% of Mn, less than or equal to 0.025% of P, less than or equal to 0.015% of S, 0.01%-0.050% of Als and the balance of Fe and inevitable impurity elements, a stress-strain curve of a steel plate material has a yield platform, and the yield strength is 210-290 MPa. The production process of the steel plate comprises the steps of slab hot continuous rolling, flattening and acid pickling, in the flattening process, a flattening unit adopts a constant rolling force mode, the rolling force is required to be 1400-1700 KN, the inlet tension is 60-80 kN, and the outlet tension is 190-300 kN. The problem that a main shell prepared by a pickling plate for the air conditioner compressor is poor in go gauge is solved, and the main shell preparation requirement and the rotor and stator assembly requirement of the air conditioner compressor are met.

The invention discloses an electric vehicle charging pile charging improvement method based on optimized power distribution network distribution, and relates to a layered and graded V2G power distribution network which comprises a plurality of transformer substations, a plurality of switching stations and a plurality of ring network stations. According to the method, charging pile information and user trip chain information are collected, the charging states of the electric vehicles are classified, then the V2G power distribution network capacity of each area is calculated, the switching station and the ring network station are configured according to the V2G power distribution network capacity of each area, and the ring network station and the switching station collect and summarize the V2G power distribution network capacity of the electric vehicles to serve as an effective adjustable load of the V2G power distribution network. The improved method provided by the invention has good power supply and user access adaptive capacity, flexible inter-station load transfer and balance capacity and rapid network fault self-healing capacity, and meanwhile, has good economical efficiency and implementability in construction and reconstruction of the power distribution network in a central urban area; and a solid foundation is laid for realizing high-quality development of an electric vehicle V2G power distribution network and building a first-stream energy internet.

The invention provides a power grid material supply chain rating evaluation method, which comprises the steps of 1, establishing a power grid material supply chain three-level evaluation index system according to a power grid material supply chain management target; and 2, on the basis of the established three-level evaluation index system of the power grid material supply chain, calculating the weight of each index by adopting an analytic hierarchy process, and evaluating the power grid material supply chain according to the sorting of the weight of each index. The power grid material supply chain rating evaluation method provided by the invention is convenient to implement, and can combine the characteristics of the power grid materials and construct the power grid material supply chain evaluation index system by adopting the analytic hierarchy process logic according to the management target of the power grid material supply chain, thereby providing technical support for the evaluation of the power grid material supply chain.

The invention discloses an intelligent torpedo car. Two permanent magnet direct drive motors are arranged on a driving end walking part of the intelligent torpedo car, a mechanical room is arranged on a driving end maintenance platform, and a super capacitor, a traction converter and the like are arranged in the mechanical room. The super capacitor can supply power to the permanent magnet direct drive motors through the traction converter. The intelligent torpedo car saves energy and is environmentally friendly in the transportation process, the operation is safe and reliable, the pain spot requirements of the majority of iron and steel enterprise users can be practically met, and high-quality development of enterprises is achieved.

The invention discloses an intelligent subway comprehensive monitoring system and method, and belongs to the technical field of rail transit. The intelligent subway comprehensive monitoring system comprises an operation control platform subsystem, a plurality of station edge subsystems, a plurality of station operation workstations, a plurality of line dispatching workstations and a line network management workstation. The station edge subsystems collect and process data of the station interface professional system in real time and provide station monitoring pages, and the operation control platform subsystem gathers and processes all data forwarded by the station edge subsystems in real time and provides a line monitoring page, a network monitoring page and an intelligent application page. The station operation work station calls the station monitoring pages and the intelligent application page, the line scheduling work station calls the line monitoring pages, the intelligent application page and the station monitoring page, and the line network management work station calls all monitoring pages and the station monitoring pages. The system has the advantages of simplifying the system structure, reducing the construction cost, improving the operation efficiency and promoting the high-quality development of the rail transit industry.

The invention discloses a water quality early warning system based on real-time water color monitoring. The system comprises a calibration system, a monitoring system, a transmission system and a data system. The calibration system comprises a color calibration plate and a sunshine acquisition camera, is internally provided with a built-in color calibration program and can automatically calibrate after receiving an instruction; the monitoring system monitors water color and water quality change information around the pond throught a common sunshine camera; the transmission system is used for collecting the monitored water color information and transmitting the information to the data center in real time; and the data center classifies the collected water color information, performs comprehensive analysis with an original database, performs water color early warning, and finally publishes a result on a webpage, so that monitoring personnel can browse the webpage, preview the information and perform adjustment through terminal equipment. According to the system and the method, the water quality is judged and early warning adjustment is carried out by monitoring the water color, and the system and the method are suitable for aquaculture, environment monitoring and other industries.

The invention provides an ultra-large decoration garbage reducing, bag breaking and feeding all-in-one machine and a manufacturing method thereof. The problem that in China, decoration garbage resource recycling technology and equipment are lack of market urgent needs is solved. According to the creative principle, through an adjustable extrusion method, bag breaking and reducing of the super-large decoration garbage are carried out. According to the ultra-large decoration garbage reducing, bag breaking and feeding all-in-one machine, a super-large block reducing function, a bag breaking function and a lower feeding function are scientifically designed on the same machine. Two roller assemblies of a super-large block reducing and bag breaking system are installed on the same track, the gap between the two roller assemblies is divided into four gears to be adjustable, and an elastic positioning ball and a positioning lead screw are designed on the track; and the adjustable gap meets the complex working condition requirements of overlarge blocks in non-bagged garbage and different sizes of bagged garbage. Spring thrust devices at the rear ends of rollers can enable the gap of the rollers to generate thrust under the action of elastic force, so that the meshing force of the bagged garbage and the super-large garbage during bag breaking and diameter changing is enhanced.

The invention relates to the field of water conservancy projects and channel engineering buildings, and provides a ship lock type for a sediment-laden wandering river, which comprises a port entering channel, an offshore ship lock, an underground channel, an alongside ship lock and a plurality of corresponding flushing and drainage systems, a plurality of gates are used for separation between the port entering channel and the offshore ship lock, between the offshore ship lock and the underground channel, and between the underground channel and the docking ship lock. The entrance channel and the ship lock are separated from the main channel through the gate, so that silt is prevented from entering; lifting of the ship is achieved through the flushing and draining system; on the premise that a river channel is occupied as little as possible, on the basis that the flood discharge section is not affected, the ship enters the port and reaches the shore. Meanwhile, three-beach treatment is considered, and high-quality development of the downstream beach area of the Yellow River is achieved.

A preparation method of natural composite fruit powder comprises the following preparation steps: checking and accepting raw materials: processing and squeezing mulberry fruits, blueberries and waxberries to obtain peel residues, and removing physical impurities in the peel residues; preparing raw materials, comprising mulberry fruits, blueberries and waxberry peel residues according to the weight ratio of (35-50):(25-35):(25-35); uniformly crushing the composite ingredients by using a crusher to preliminarily refine and uniformly mix the composite ingredients; freeze-drying in two stages: wherein in the pre-freezing stage, the material thickness is controlled to be 5-8 mm, the temperature is controlled to be -45 to -50 DEG C, and the time is controlled to be 1.0-1.5 hours, and in the sublimation stage, the thickness of the materials is controlled to be 5-8 mm, the pressure intensity of a drying chamber is 85-90 Pa, the temperature of a heating plate is 60-75 DEG C, and composite pomace is obtained when the moisture of the materials is controlled to be within 6%; pulverization: in an environment with humidity controlled within 30%, pulverizing and refining the freeze-dried composite pomace in the step (4) to obtain powdery composite fruit powder with uniform quality. The natural composite fruit powder is high in raw material utilization rate, rich in nutrition, bright in color, good in rehydration property, easy to store and convenient to eat, and has natural properties of the product.