128results about How to "Reasonable storage" patented technology

The invention discloses a wireless sensor network system for monitoring real-time data of a power grid, which comprises a wireless sensor node, a gateway node, an Internet network and a monitoring center data platform, wherein the wireless sensor node is used for collecting real-time running state parameters of power grid equipment and transferring the collected parameters to the monitoring center data platform through the gateway node and the Internet network; the monitoring center data platform is used for monitoring the received real-time data of power grid equipment; and the wireless sensor node and the gateway node are connected to a power supply module. The timely induction for internal risks of the power grid equipment and the judgment on the equipment running state of a circuit are realized, by utilizing the wireless sensor network system provided by the invention in the manner of data monitoring. The gateway node of the wireless sensor network system has high transmission speed and strong anti-jamming capability; the wireless sensor node and the gateway node can be used for efficiently acquiring and storing energy; and the long service lives of the wireless sensor node and the gateway node are realized.

The invention provides a file storage method and device to solve the problems of unreasonable file storage, easy fragmentation or overflow, and low file query efficiency. Wherein, the method includes: according to the size of the file uploaded by the received client, storing the content data of the file in at least one file storage block; obtaining the information of the file storage block storing the content data; generating and The metadata corresponding to the content data; store the metadata of the file in the preset storage space. The present invention can avoid disk fragmentation and overflow caused by directly storing all the content data of the file as a whole in the corresponding storage space, the storage method is more reasonable, and the metadata is stored independently, so that unified management of files can be realized Metadata, thereby improving the query efficiency of subsequent files.

The invention relates to a food information tracing method based on a relational database. The method comprises the following steps of: collecting information of food in the production, storage, transportation and selling processes; associating the information with the food, and then storing the information into relevant nodes; storing enterprises through which the food sequentially passes in the circulation process into a tracing path table so as to form a food tracing tree diagram with the path tracing function; and then, tracking or tracing the relevant information of certain food according to the food tracing tree diagram. The food information tracing method has the advantages that the tree diagram in the food tracing process is built; if the information of the food is increased, information increased in the links can be supplemented into relevant nodes, so that the information storage becomes reasonable; great convenience is brought for the information query and retrieval of relevant food in the whole production and circulation processes through the building of the tree diagram in the food tracing process; the links with problems can be found in time through tracing; and the food safety is further guaranteed.

An electronic module for a trip device has been optimised so as to integrate the known functionalities, in particular threshold parameter setting, current measurements, voltage taps, read-out display and communication. An electromagnetic actuator is further present in the electronic module to optimise breaking of the associated circuit breaker. The space occupation constraints inherent to location of the trip device in existing switchgear units have been respected.

The invention discloses a single-board computer information collecting method, circularly recording long-term healthy running parameters of the single-board computer to all data memory cells in a first buffer memory queue by timing, and when the single-board computer gives an alarm, recording the current alarm identification and the data in the first buffer memory queue to an alarm information buffer memory queue after waiting for a period of time. It collects related running data of the single-board computer and provides information for running condition analysis of the single-board computer and failure location, thus improving running stability and maintainability of the single-plate board.

The present invention discloses a data storage method and apparatus. The method comprises: extracting a set quantity of data from to-be-stored data as test data for the currently to-be-stored data; determining a test type of the test on a to-be-stored database according to a preset performance requirement; according to the test type and the test data, testing each to-be-stored database to determine test parameters corresponding to each to-be-stored database; and according to the test parameters corresponding to each to-be-stored database and the preset performance requirement, determining a target database, and storing the to-be-stored data in the target database. The technical scheme of the present invention is used to solve the problems that in the prior art, the database selected for storing the to-be-stored data is unreasonable, cannot satisfy the requirement of the user for the performance of the database storing the to-be-stored data, and affects the user experience.

The invention discloses an air intake and exhaust thermal control system for implementing HCCI (homogeneous charge compression ignition) combustion of a gasoline engine. The system comprises an air intake pipeline, an air exhaust pipeline and an air exhaust-intake heat exchanger, wherein the heat exchanger is filled with heat storage materials; the air intake pipeline, the air exhaust pipeline and a bypass are respectively provided with an electrically operated valve; the pipelines are provided with a plurality of temperature sensors; the electrically operated valves and the temperature sensors are connected with a controller; and the controller comprises a signal conditioning circuit and a driving circuit which are connected with a singlechip and are used for implementing the thermal control of air intake and air exhaust. The device provided by the invention has the heat storage capability of the heat exchanger, reasonable storage and release of air exhaust heat can be realized. Whenthe gasoline engine operates at medium and large load, the storage and accumulation of surplus air exhaust heat in the heat exchanger can be realized, and the device is used for heating the intake air when the gasoline engine operates at low load, the problem that the air exhaust heat is insufficient to heat the intake air at low load is solved, the requirement of air exhaust-intake heat exchangeefficiency is lowered, and the device can be practically applied to the HCCI combustion of the gasoline engine.

The invention relates to the field of distributed graph storage, and aims to solve the problems of small storage capacity, high maintenance cost, low execution efficiency and the like of a single machine and improve the execution efficiency of multiple types of queries. The distributed storage and indexing method based on the knowledge graph RDF data characteristics comprises the following steps of processing stored data, counting data information, and mining associated information in a data set; through the data information in the step 1), constructing an effective entity aggregation index between the triple classes; performing ontology division processing on each entity class based on the statistical information, increasing a predicate aggregation degree contained in the entity class, and establishing a predicate pointing index; carrying out connection operation on the data set, and storing a connection special class so as to improve the star query efficiency with extremely high occurrence frequency; grading the data set based on the above steps, and ensuring that the data is stored in a descending order according to a defined grade; for an input query, introducing query optimization. The method is mainly applied to distributed graph storage occasions.

Provided are a method and a system for storing business domain space resources of multi-source geographic grids. The method includes that a geographic grid configuration management table is constructed in a central data base to store basic information of geographic grids having different sources, and grid data sources are provided for gridding storage operations; a business domain space resource configuration management table is constructed in the central data base to store basic information of space resources in different business domains; a business domain space resource and non-layer business attribute information relevance configuration management table is constructed in the central data base, and the mapping relation between layer information of business domain space resources pointed by a space resource layer service address and attribute information of non-layer businesses of a relational data base is constructed; and a business domain space resource gridding configuration management table is constructed in the central data base to perform gridding processing for various business domain space resources, a geographic grid and business domain space resource many-to-many spatial index storage relation is constructed, and a space mapping relation between business domain space resources and a geographic grid unit is constructed.

The invention relates to a method for harmlessness treatment of waste mineral oil by a blast furnace injection mode. Through collection, pretreatment, blowing, combustion, and residue treatment on waste mineral oil having no regeneration value, and comprehensive utilization and thoroughly harmlessness treatment of a waste mineral oil resource are realized.

The invention provides a refrigerator providing shopping tips according to the object storage condition. A refrigerator screen displays information of stored objects in the refrigerator in real time and displays information of the shopping tips. The refrigerator providing the shopping tips according to the object storage condition is provided with a refrigerator stored object list obtaining unit, a standard object list unit, a comparing unit, a merchandise display and treatment unit and the refrigerator screen, wherein the comparing unit compares the information of the stored object in the refrigerator with the standard object list unit, information of objects which are not stored in the refrigerator and belongs to the standard object list unit is used as a comparison result, the comparison result is input into the refrigerator screen to be displayed, and the comparison result is input into the merchandise display and treatment unit; and the merchandise display and treatment unit controls information display of relevant merchandise according to the comparison result, and the merchandise display information is input into the refrigerator screen to be displayed. The refrigerator can provide the shopping information tips for a user according to the object storage condition in the refrigerator.

The invention discloses a big data information security management system for a smart campus, which is used for solving the problems that an existing big data information management system cannot reasonably distribute and store data generated by the smart campus and information query security risks exist in a big data query process. The system comprises a data input module, a server, an information analysis module, an information storage module, a data query module, a query monitoring module, a registration and login module, a user analysis module and a classroom acquisition module. Accordingto the system, the campus data information is analyzed to obtain the information storage value, and the information storage value is allocated to the memory of the corresponding storage level for storage according to the information storage value, so that the campus data information is reasonably stored; important campus data information is sent to a selected classroom to be checked through the data query module, and campus users are checked and monitored at the same time, so that the security of the campus data information is ensured, and the campus data information is prevented from being leaked.

The invention provides a management method of commodity electronic labeling information, comprising front-line operation management and backstage decision-making management; in the front-line operation management, the commodity state is judged according to the electronic labeling information and commodity operation logically associated therewith is searched in an electronic labeling semantic network taking the commodity state as the trigger; in the backstage decision-making management, a fuzzy inference model is constructed based on commodity factors and backup decisions of the management link and a quantified result of the backstage decision-making is obtained by calculation. The invention effectively stores and infers the commodity association information with electronic labels and finally obtains the effective decision to provide reference for front-line operators or top decision-maker.

The invention discloses a campus network authentication system log database construction method. The method comprises a service log database, an authentication log database, and a log backup database;the service log database is located on the first layer and is used to record the network operating status of the campus network authentication system during use; the authentication log database is located on the second layer and is used to record user authentication requests and authentication results. The main point is that when the authentication fails, the corresponding abnormal authenticationlog data is generated by analyzing the service log data according to different causes; the log backup database is located on the third layer and is used to periodically back up and delete log data inthe service log database and authentication log database, and generate file index information at the same time. The invention can make full use of the characteristics of the log data, effectively manage, store and back up the log data, and at the same time improve the retrieval efficiency of the log data.

The utility model relates to a mine water waste heat extraction and utilization system, and belongs to the technical field of mine waste heat utilization. The mine water waste heat extraction and utilization system is characterized in that a heat pump water source unit (2) is included, the heat pump water source unit (2) is provided with a mine circulating water feeding pipe (3) and a water returnpipe (4), the heat pump water source unit (2) is connected with a mine water lifting device through he mine circulating water feeding pipe (3), the heat pump water source unit (2) is connected with awater return pool (5) through the water return pipe (4), and the mine water lifting device communicates with a downhole roadway (9). The mine water waste heat extraction and utilization system fullyutilizes the storage function of the abandoned roadway, realizes the purposes of temperature rise for energy storage in summer and heat release for energy release in winter of a roadway water body, reasonably stores, transfers and extracts energy, can maintain the operation of the water source heat pump unit, can realize zero discharge of external circulating water and is considerable in economicand social benefit.

The invention relates to a multilayer-roller-bed steering machine and a tree type roller bed conveying system of the dismantling industry thereof. The multilayer-roller-bed steering machine comprises a base and roller bed sections. The base comprises n layers of frames, and the edge portion of the frame of each layer is provided with a steering motor with a driving chain wheel and a limiting stopper. The steering machine comprises corresponding n layers of roller bed sections, the lower face of the middle portion of the roller bed section of each layer is connected with a driven chain wheel and a steering bearing and is in rotating fit with the upper face of the middle portion of the frame of each layer, the edge portion of the roller bed section of each layer is provided with a trigger block corresponding to the limiting stopper on the frame of each layer, the driven chain wheels are connected with the driving chain wheels on the frames of all layers through steering chains, and the upper portion of the roller bed section of each layer is provided with a material sensor for detecting materials. On the premise of reducing dismantling occupied area, conveying roller beds with multiplied length and the roller bed conveying system with doubled tree type join numbers are set up, economic and social benefits of abandoned automobile and electric appliance dismantling enterprises are substantially improved, and a novel way is provided for development and expansion of the abandoned automobile and electric appliance dismantling enterprises.

The invention relates to an intelligent access device for optical discs in a library. The device comprises a main station layer, an auxiliary station layer and an optical disc access control layer, wherein the auxiliary station layer is in communication connection with the main station layer, and the optical disc access control layer is in circuit connection with the auxiliary station layer. A main station PC and a database connected with the main station PC are arranged in the main station layer. A plurality of single-chip microcomputer systems are arranged in the auxiliary station layer, and each single-chip microcomputer system is connected with the main station PC through a bus. The optical disc access control layer comprises a plurality of optical disc storage cabinets, and each optical disc storage cabinet is in circuit connection with the corresponding single-chip microcomputer system. According to the intelligent access device for the optical discs in the library, the optical discs in the library can be reasonably stored and can be managed and maintained easily, the workloads of librarians can be reduced, and the device is convenient to use, reliable and high in feasibility.

The invention discloses a sucking disc type multifunctional storage box which comprises a support plate, a hook, a clamp ring, a mirror, a sucking disc and a grid, in the structure, the multifunctional storage box can be flexibly fixed on an appropriate position through the sucking disc, and articles of different classifications can be conveniently stored together through the hook, the clamp ring, the mirror, the sucking disc, the grid and other structures. Consequently, the sucking disc type multifunctional storage box generates a more reasonable storage effect than a storage effect when each single part is separately used through a mode that all the interior parts are effectively combined.

The invention relates to the field of furniture and discloses a bidirectionally-drawable drawer. The drawer comprises a drawer body, a push-pull component and an adjusting component. The push-pull component comprises slide rails, sliders, telescopic rods, limiting blocks, handle grooves and telescoping switches. The slide rails are mounted on surfaces of supporting frames and inner walls of a drawer body, the sliders are mounted on two sides of an inner cavity of the drawer through screws, the telescopic rods are fixedly connected to tops of supporting plates, the limiting blocks are adhered to one side of the inner cavity of the drawer, inner sides of drawer panels are provided with the handle grooves, and the telescoping switches are mounted at tops of inner sides of the handle grooves.By cooperation of the push-pull component, the bidirectionally-drawable slide rails, the telescopic rods and the limiting blocks, the whole inner cavity of the embedded drawer can be selectively pulled out in two directions through the drawer panels, articles deep in the drawer can be taken out directly, convenience in article taking is achieved while a storage space of the whole drawer is increased, and convenience in use in daily life is achieved.

The invention discloses a high-temperature composite phase-change heat storage material with a multi-core-shell structure, and a preparation method and application thereof, belonging to the technicalfield of heat storage materials. According to the invention, zinc-aluminum alloy powder Zn-Al serves as an inner core, carbon nanotubes CNTs serve as a first shell layer, and the zinc-aluminum alloy powder Zn-Al wrapped by the carbon nanotubes CNTs is synthesized through a hydrothermal method and has a structure of Zn-Al@CNTs; then, the Zn-Al@CNTs are added into a tetraethoxysilane-lanthanum saltmixed solution through a coprecipitation method, reaction is performed under the condition of adjusting the pH value of the solution, and then roasting is carried out; and after packaging, casting molding and normal-temperature hardening, the heat storage material with La2O3-SiO2 as a second shell layer is formed, and the structure of the heat storage material is La2O3-SiO2-(Zn-Al@CNTs). The heatstorage material can effectively and reasonably store excess heat in the pyrolysis and gasification process of garbage, and meets the requirement for heat needed by subsequent pollutant removal aftergarbage pyrolysis and gasification.

The invention relates to a cloud platform-oriented security monitoring data collection and storage method. The method comprises the steps of initializing remote and local message queues in sequences and obtaining collection plug-in related information; operating a collection plug-in by a data collection rear end according to loaded plug-in information and obtaining cloud platform basic data; sending collected data to a transmission broker by the data collection rear end through the message queues; starting the transmission broker, wherein the broker is responsible for communicating with a monitoring broker, collecting monitoring data and storing the monitoring data to a database; prereading time stamps of all documents of a TagModel and a MetricModel and caching the time stamps in a memory; querying the TagModel in a cache and obtaining Tags of monitoring indexes; and inserting a record into the cache and the database at the same time or carrying out query in a current monitoring measurement value model CurrentModel by taking the Tags and time stamps as query conditions, thereby updating corresponding documents in the database or generating a new document and storing the new document to the database. According to the invention, the data is obtained comprehensively, a storage mode is reasonable, and the repeated storage is avoided.