213results about How to "Safe operating environment" patented technology

A robust multi-wall tray which is easily retrofitable to a wheelchair. Due to the structural design, the tray is lightweight but yet more rigid than conventional solid wheelchair trays. The multi-wall tray can be secured to a wheelchair with conventional means or with several novel means that provide a smooth work surface free of screws or Velcro™. A novel prior art adjustable tray support structure can also be integrated into the multi-wall tray to allow the system to mount robustly to the frame of a wheelchair and also allow the tray to fold away to the side of the wheelchair when not in use. Additionally, the multi-wall tray can have a sealed perimeter to create an enclosure for protecting electronic devices. The design can support electronic devices for computer assisted living while also providing a tray work surface for reading, writing or eating.

The invention discloses a logistic information real-time management method and a system. Defined barcode information is read by a barcode data acquisition terminal so as to obtain node information of goods or order forms, a customized information recording interface of a user is set, definition setting of a database and maintenance of a database capacity interface are realized, a current state is automatically prompted when data are dispatched or selected, particular capacity information of a memory space is dynamically updated when goods are taken, all database capacity is automatically prompted dynamically and visually, comparison of a data condition provided by a user and an actual condition of current basic data is automatically prompted according to analysis of category and state of data, receipt details for dispatching the data are generated automatically, and detailed data information of a dynamic link is synchronously obtained from a database server and displayed and outputted in a node information form. By the aid of the logistic information real-time management method and the system in the technical scheme, intelligent logistic management and service punctuality are realized, and predictability is improved.

The invention discloses an SCADA (supervisory control and data acquisition) temperature parameter based wind turbine set security evaluation method and belongs to the technical field of equipment security evaluation. The wind turbine set security evaluation method includes: firstly, deciding on an SCADA temperature parameter; then analyzing temperature parameters related to system faults of a wind turbine set, structuring relatedness between operating conditions of the environment temperature as well as wind speed and the SCADA temperature parameter, determining a standard for division of wind turbine set operating conditions, and establishing a standard Gaussian model serving as a reference model for evaluation of the wind turbine set operating conditions; calculating degree of deviation between a curve and the standard model through comparing the standard model with the Gaussian model, and measuring the operating condition of the wind turbine set. By the application of the wind turbine set security evaluation method, monitoring level upon the wind turbine set can be improved, utilization rate of the wind turbine set can be increased, and operation cost can be effectively lowered; a reliable and effective wind turbine set security evaluation mechanism is established, so that deterioration of hidden trouble of the wind turbine set towards faults and accidents is avoided, and an operation circumstance which is secure, stable and efficient is formed for the wind turbine set.

The invention discloses an intelligent transformer terminal and a monitoring method thereof. The intelligent transformer terminal consists of a hardware part and a software part, wherein the hardware part comprises a host, a lead, a sensor assembly, an information processing module, a protection function module, a control output function module, an exception warning function module, a display module and a communication module; and the software part comprises an application service platform, a database, an after-sales service platform, a product management platform and a mobile equipment client APP on the host. According to the intelligent transformer terminal and the monitoring method thereof, running parameters of the transformer are measured in a way of transmitting a physical parameter change and/or acquiring a power signal and displayed rapidly, and remote monitoring, operations and information feedback are realized by the mobile equipment client APP or a webpage through network transmission. When danger or important prompt information is detected, the information is pushed to the mobile equipment client APP or the webpage and after-sales service platform, so that a reliable and safe operating environment can be provided for an electric power system by the transformer.

The invention relates to a method and a system for realizing relay protection and secondary circuit debugging visualization. The system comprises a testing signal generation system, a virtual protection device, a virtual secondary circuit and a visualization unit, wherein the testing signal generation system is used for generating testing signals; the virtual protection device is used for receiving the instantaneous quantity, the steady-state quantity or the positive-sequence, negative-sequence and zero sequence components of the testing signal generation system, generating a current switching quantity variable of logic diagrams for protection, tripping, reclosing and the like, and transmitting the current switching quantity variables to the visualization unit; and the visualization unit is used for extracting the current switching quantity variable of the virtual protection device, the new switching quantity variable of the virtual secondary circuit and a switching quantity variable produced through operation, and generating visualized action images. The method and the system for realizing relay protection and secondary circuit debugging visualization have the beneficial effects that the visualized action images are displayed through two ways, i.e. sampling-point-by-sampling-point control and period-by-period control, and the modules of the system are clear and the training and the learning are facilitated.

The invention discloses a network based multi-mode intelligent order following management method and an intelligent management system. The method comprises the steps as follows: defined order information is read by a data collection terminal and associated with specific data, so that node information of basic data is acquired; a customized information entry interface is set, according to different order data requirements, basic information formats are designed respectively, and information formats are customized; definition of a database and an interface for maintaining database capacity are set, a current state is prompted automatically during data dispatch or selection, and specific capacity information of storage space is dynamically updated during order following; and according to data classes and state analysis, comparison of condition of data provided by the user and the current actual basic data condition is automatically prompted, and document details for data call are automatically generated. Therefore, intelligentization and punctuality of order following management are realized, and predictability is improved; and further, flexibility of order following management service of an enterprise is enhanced, the order following time is shortened, and the flexibility is improved.

The Self-Sustaining Data Center makes use of a site that is inherently immune to catastrophic events and incorporates features to facilitate the substantially continuous availability of data stored therein. The architecture of the Self-Sustaining Data Center makes use of multiple data communication links to sites that are remote from the data center to enable the uninterrupted communication access of customers' computer systems to the mass storage systems operational at the Self-Sustaining Data Center. The Self-Sustaining Data Center also includes facilities that include at least one of: power generation, housing and food for data center staff, and voice communications facilities, thereby to enable the Self-Sustaining Data Center to continue its operation for an extended period of time in the absence of municipal utility services and the possible inability of the data center staff to access outside sources of food and water.

A system and method for improving energy usage and conservation of at least one air-management unit in a data center where a multiplicity of rack mounted power distribution units are used for power distribution to a multiplicity of electronic devices mounted on a plurality of racks in at least one computer room of the data center. A group of power load, temperature, humidity and differential pressure sensors are provided throughout the racks, and coupled to a computer through a network interface for automatically calculating multiple air-management effectiveness and energy efficiency indices (e.g., rack cooling index RCI, rack humidity index RHI, rack airflow index RAI, rack differential pressure index RPI and return temperature index RTI) based on the data from the sensors, such that the operation of the air-management unit can be adjusted accordingly to achieve an optimal efficiency of safe energy usage and conservation.

The invention relates to a synthetic method for Tildipirosin. The method comprises the synthetic steps of 23-hydroxy-20-piperidyl-5-O-mycaminoseyl-tylolactones, and 23-sulphonate-20-piperidyl-5-O-mycaminoseyl-tylolactones. The reaction yield of the method is high, and the conversion rate of each step of the reaction is up to more than 80%; and the purity of the product is high, and is up to more than 98.2%. The main raw material of the method is tylosin, the reaction reagent is the normal reagent which is easily obtained in the market and is cheap, and does not need to be stored in the ultralow temperature. The method is simple and safe in operation, does not need the devices in high temperature and high pressure, and has no risk. The method is capable of effectively solving the completeness of the reactant conversion, avoiding the column chromatography isolation for the intermediate product and the environment pollution, recovering the triphenylphosphine oxide of the byproduct, shortening the reaction period, improving the yield of the product, and reducing the production cost, and has the industrialized application value.

The invention discloses a method for extracting effective flavonoid components in traditional Chinese medicine pericarpium citri reticulatae. The effective flavonoid components comprise one or more than two of aurantiamarin, nobiletin and hesperetin. The method comprises the following steps: mixing pericarpium citri reticulatae medicine powder and a molecular sieve absorbent according to a mass ratio of 1 to (0.25-3) so as to obtain a mixture, adding the mixture into a mortar for grinding to obtain ground solid, adding a sieve plate into the bottom of a small solid-phase extraction column, filling the small column with the ground solid, adding the sieve plate into the top of the small solid-phase extraction column after the ground solid is compacted, putting the compacted small column on a solid-phase extractor, injecting an eluent into the small column, starting an air extracting pump of the solid-phase extractor, eluting the small column, collecting the eluent by a centrifuge tube at the bottom, whirling and centrifuging the eluent in the centrifuge tube after the elution is ended, so as to obtain supernatant liquid as effective flavonoid component extraction liquid. According to the method, a molecular sieve is used as the absorbent; with the combination of a matrix solid-phase dispersion extraction technique, the effective flavonoid components in the traditional Chinese medicine pericarpium citri reticulatae can be extracted and detected in an efficient and environmental-friendly manner.

The invention discloses an Agent-based mobile internet information exchange method. The method comprises a design architecture consisting of three Agent application system schemes and an Agent-based mobile internet information exchange middleware. In the method, a Mobile Agent Server is realized by adopting the Agent-based middleware technology, so that the portability, the extensibility and the integrateability of the Agent Server can be improved. The invention relates to the field of information exchange between a mobile terminal and a fixed network and between the mobile terminals in the mobile internet, so the data exchange problem brought by the mobility of mobile equipment, limitation of hardware resource and network resource and platform isomerism is solved, and the method has broad application prospect.

An equipment safety control method and system based on internet of things comprise the steps that 1, internet of things equipment ID is generated, the internet of things equipment ID is the only identification number of the internet of things equipment in the internet of things, and the internet of things equipment ID comprises manufacturer coded information, equipment classification coded information, time to market information and equipment coded information; 2, safety monitoring is conducted on the internet of things equipment in advance, and security authorization code coexists with the internet of things equipment is generated after passing the safety monitoring; when the internet of things equipment operates actually, permissions of normal operation through accessing to the internet of things is granted to the internet of things equipment according to the security authorization code; 3, a safety communication level of the internet of things equipment is set according to the actual operation situations and demands; 4, the internet of things equipment starts up functions of the equipment according to operating instructions of a user, and the internet of things equipment records operating record information after starting up the functions.

The invention discloses a preparation method for novel Grignard reagents, namely 4-chlorobenzylmagnesium chloride and 1-(2-chlorine-4-(4-chlorophenyl)-normal-butyl) imidazole. The method comprises the steps as follows: the 4-chlorobenzylmagnesium chloride is prepared from a mixed solvent of ethyl ether and MTBE (Methyl Tertiary Butyl Ether) by taking p-chlorobenzyl chloride as a raw material; and the 1-(2-chlorine-4-(4-chlorophenyl)-normal-butyl) imidazole is prepared from a methylene chloride solvent by taking 1- (4-(4-chlorophenyl)-2-hydroxy-normal-butyl) imidazole as a raw material. The 4-chlorobenzylmagnesium chloride and the 1-(2-chlorine-4-(4-chlorophenyl)-normal-butyl) imidazole are important intermediates for preparing butoconazole nitrate.

The invention relates to a network access method and system based on virtual resources, computer equipment and a medium. The method comprises the steps of obtaining a configuration page of the virtualresources, wherein the configuration page comprises a plurality of configuration items; obtaining corresponding configuration parameters according to configuration operation for the configuration items; generating target codes corresponding to the corresponding configuration items based on the configuration parameters; adding the target codes corresponding to the plurality of configuration itemsto template codes, thereby obtaining execution codes of the virtual resources; and operating the execution codes, and screening the virtual resources corresponding to the configuration parameters in avirtual resource pool. Through adoption of the method, the security of a virtual resource obtaining environment can be improved.

The invention relates to a device for automatically positioning a projection lamp wick in a lamp cup and a method for positioning the same, which belong to the field of industrial automation control and are applied to achieving safe, effective and highly accordant assembly of the lamp wick and the lamp cup to satisfy requirements on mass production with the lowest cost. The device mainly comprises the following three parts: a vision system, an image processing system and a motion control system, wherein the vision system acquires images projected on a screen (7) by a projection lamp and transmits the images to the image processing system; the image processing system processes the data acquired by the vision system, and compares and analyzes the data with empirical data in a database to get whether the position of the current lamp wick (4) is optimized relative to the lamp cup (5) and generate motion control parameters; and the motion control system adjusts the position of the lamp wick (4) according to the motion control parameters. Through the positioning device and the method, safe operations are achieved, the production quality and the efficiency of products are improved, and energy sources are saved.

The invention relates to a self-moving hydraulic support, which is used for supporting in time while assisting in a work surface support to retreat and move after the underground coal mine fully mechanized coal mining face finishes coal mining, and belongs to the field of coal mine machinery. The self-moving hydraulic support comprises an external frame top beam and an external frame base in a form with gaps at the middle and rear parts; an internal frame is nested in the gaps of the external frame top beam and the external frame base; and an internal frame base is connected with the external frame base through pushing a jack. The self-moving hydraulic support is used for supporting an empty roof in time when the work surface support retreats, so that the mechanization is realized, the risk of artificially maintaining the roof plate is solved, the labor intensity of workers is reduced, the production efficiency is improved, and a safe operation environment is provided for the workers. The self-moving hydraulic support is used for replacing pointed pillars or timber cribs, and the production cost is reduced.

The invention discloses a safety protection method based on a remote upgraded version, including: storing a manufacturer code and a device type identification in a terminal equipment terminal system,uploading the remote upgrade program to the version server, and selecting the designated terminal to upgrade, when the agent program on the selected terminal receives the upgrade instruction and obtains that the version on the server is higher than the current version, downloading the remote upgrade program and running the update installation script; installing and updating, firstly reading the manufacturer code and equipment type identification under the storage path of the terminal, and comparing with the stored identification respectively; If the identities are identical, releasing the remote updates to the local storage directory, updating the relevant program files, if not, exiting the updates, and returning the installation failure reason. Through the method, the invention adds a self-identification and judgment function of the software in the remote upgrade package installation link, so as to make the operation of the bank self-help front-end equipment system more safe and stable.

The invention discloses an office automation management system, belonging to the office system field. It includes basic layer, data layer, application support layer and application layer. An upper layof that application support layer receive signals from the data layer; the signal of application support layer is output to application layer. The application layer includes daily report management subsystem, daily report management subsystem includes process management module, system management module, daily report management module, reimbursement management module and parameter management module. The daily report management module comprises a personal daily report unit and a daily report review unit,the reimbursement management module comprises a reimbursement document generation unit and areimbursement document approval unit, wherein the reimbursement document generation unit is connected with a personal daily report unit, and a reimbursement expense statistics sub-module and a reimbursement limit statistics sub-module are arranged in the reimbursement management module; the parameter management module configures the running parameters for each module in the daily report management subsystem. The invention can realize the information sharing of each service module, and remarkably improves the work efficiency.

The making process of integrally pressed brake belt with blended fiber includes the following steps: 1. preparing blended fiber with several kinds of friction fiber material; 2. combing the blended fiber, adding metal net layer by layer and pressing integrally to form the belt blank; 3. soaking the belt blank in phenolic resin; 4. drying the soaked belt blank naturally; 5. heating to cure; and 6. polishing surface of the cured belt to produce brake belt product. The process has the advantages of high safety and saving in gasoline, and the product has raised heat resistance, wear resistance and stability and low cost.

The invention relates to a mobile memory method of general serial bus interface and a relative device, belonging to computer technical field. And the method comprises that first dividing a data memory into three areas, distributing and managing the data received from a main controller and a remote server to be provided to user, while the data refresh uses abundant backup and data automatic operation. The inventive device comprises a main controller, a data memory and a safe control chip, wherein the safe control chip is respectively connected with the main controller and the safe control chip. The inventive method provides safe and reliable data content management, uses core element technique to provide stable and reliable distribution management, refresh management and return management, for providing safe, reliable and practical service to entertainment operator.

The invention relates to a well completion transformation casing head. An overall structure of the casing head integrates the advantages of a mandrel casing head and a slip casing head. More transformation connecting, sealing and mounting structures and the like for a complicated completion wellhead are formed based on a coupling casing head structure; multiple connecting and mounting plans are predesigned according to possible wellhead complexity on site; for example, a casing coupling hanger in a coupling casing head is transformed into a casing body hanger with higher generality; for another example, the advantage of a BT sealing technology is integrated into a special transformation wellhead sealing flange; a composite sealing structure such as a special sealing element is derived; andfor another example, the transformation wellhead sealing flange and the special transformation wellhead sealing flange are applicable to common standard transformation structures such as a standard flange, non-standard double flanges, a non-standard welding flange and a non-standard threaded flange in a completion process.

The invention provides a construction method for a Java program trusted execution environment. The method comprises the steps that a coprocessor board card is constructed, and the coprocessor board card is connected with a mainboard, wherein the coprocessor comprises a coprocessor chip, a memory chip and a flash chip; a main processor and a TPM chip are inserted into the mainboard, and the main processor, the coprocessor board card and the TPM chip are mutually connected; a person fills the security requirement level of each Java application in a Java application security requirement level configuration table, wherein the Java application name and hash value are written into a Java application measurement experience table of the coprocessor board card flash chip, and processing is conducted separately according to the security level. Accordingly, the Java trusted execution environment is constructed under the support of the TPM chip and the coprocessor board card, a high security Java application is executed in an isolated mode in a coprocessor transparent to a user, measurement and verification are conducted on a coprocessor drive program and a Java application program through the TPM chip, and the security of executing the Java application is greatly strengthened.