35results about How to "Expand application scale" patented technology

The invention discloses a grid-connected non-networking micro-grid system and a control protection method thereof. On the premise of basically not changing the structure of the original power distribution system, multiple types of distributed power sources, such as wind power generation system, photovoltaic power generation system, cell accumulation system and the like, are connected into a common power grid along with user loads through AC buses, and reasonable load layout and active energy management are utilized to implement grid-connected non-networking of the micro-grid system. By using the structural design and the active energy management of the micro-grid central control unit, the new energy power generation system can be completely self-sufficient, and does not reversely transmit power to the common power grid, thereby avoiding impacting the normal power supply of the common power grid; and meanwhile, by the aid of the common power grid, the user loads have higher power supply reliability and electric power quality.

The invention discloses a transmission system and a method of internet of things and is applied to the technical field of communication technology. The transmission system of internet of things includes the steps: managing correspondence of sensor network nodes of a plurality of services through a multi-service access end and transmitting collected data which are sent through the sensor network node to corresponding application clients to conduct service display, so that differences of the sensor network nodes of different services and the application clients can be avoided through a platform which is a multi-service access end, the transmission system of the internet of things can be applied to multi-service, application scale of the internet of things can be enlarged and expansibility of the system can be improved.

The invention discloses a preparation method of a magnetic graphene oxide demulsifying agent. The magnetic graphene oxide demulsifying agent is prepared by taking magnet powder as a carrier and loading graphene oxide on the surface of the carrier; the use amount ratio of the magnet powder to ethanol to water to a silane coupling agent to the graphene oxide is (1g to 5g) to (70mLto 95mL) to (5mL to 30mL) to (0.2g to 1g) to (1g to 5g). In preparation and application of the magnetic graphene oxide demulsifying agent provided by the invention, a magnetic separation method can be used, and high efficiency, time saving, energy saving and environment protection are realized; the application scale and range of the graphene oxide in an oil-water emulsion separation process can be easily expanded. The raw materials for preparing the demulsifying agent are easy to obtain, low in cost, stable in physical and chemical properties and capable of being repeatedly used and secondary pollution is avoided; the demulsifying agent has huge social and economic value and a wide application prospect.

The invention discloses a polyimide paper honeycomb core and a preparation method thereof. The polyimide paper honeycomb core is prepared by the following methods: (1) performing gluing treatment, namely coating a polyimide adhesive on the surface of polyimide paper, superposing multilayer glued polyimide paper in a staggered mode, and finally performing hot-pressing to prepare a honeycomb laminate by utilizing a hot press; (2) performing setting treatment, namely stretching the honeycomb laminate, forming regular hexagon honeycomb hole lattices, and setting in a drying box to preparw white honeycomb blocks; (3) performing impregnation treatment, namely impregnating and curing the white honeycomb blocks to prepare the polyimide paper honeycomb core. The polyimide paper honeycomb core prepared by the method has the characteristics of high temperature resistance and low moisture absorption property, and the strength of the polyimide paper honeycomb core can be further improved.

The invention belongs to the technical field of composite material preparation and relates to a flame-retardant vegetable fiber paper honeycomb core and a preparation method thereof. The preparation method is used for preparing a composite material with a sandwich structure and comprises the following steps of: firstly preparing a blank paper honeycomb core by using vegetable fiber paper or hybrid vegetable fiber paper according to the traditional technology, and then preparing the flame-retardant vegetable fiber or hybrid vegetable fiber paper honeycomb core with high performance by adopting a 'flame retarding and gum dipping' or 'gum dipping and flame retarding' two-step method technology or a 'sizing, flame retarding and gum dipping' three-step method technology. Compared with the traditional kraft paper honeycomb core and the Nomex honeycomb core, the flame-retardant vegetable fiber paper honeycomb core has the advantages that the cost performance of the honeycomb core is increased, and the application of the honeycomb sandwich structure in the transportation field such as airplanes, rail transits and automobiles is widened, and the application scale of biomass vegetable fibers is expanded, and the low carbon environmentally-friendly society is developed.

The invention relates to a preparation method of an aluminum-boron alloy powder and aluminum-boron slurry of a crystalline silicon cell. The preparation method comprises the following special implementation steps of: carrying out reduction reaction and gas atomization on a boron compound in molten liquid aluminum to prepare the aluminum-boron alloy; and mixing 72-82% of aluminum-boron alloy powder by mass, 0.1-10% of inorganic glass adhesion agent by mass, 15-25% of organic adhesion agent by mass and 1-5% of additive to prepare the aluminum-boron slurry. In a back surface field of the crystalline silicon cell which is prepared from the aluminum-boron slurry in the invention, a p-type doping concentration is one order of magnitude more than the p-type doping concentration of the back surface field prepared from the normal aluminum slurry at the same temperature, so that the inactivation effect on the back surface of the crystalline silicon cell is more excellent; and meanwhile, serial-connection resistance of the cell is reduced so that the photoelectric conversion efficiency of the solar cell is improved.

The invention discloses a preparation method of an embedded tracing polymeric microsphere. The preparation method comprises the steps of synthesis of polymeric fluorescent monomers and preparation ofthe embedded tracing polymeric microsphere based on the synthesized polymeric fluorescent monomers, wherein the embedded tracing polymeric microsphere comprises embedded tracing polymeric microsphereemulsion and embedded tracing polymeric microsphere dried powder. The preparation method of the embedded tracing polymeric microsphere solves the technical problem of failure in detection of migration, retention time and formation plugging valid period of polymeric microspheres in formations. Since 2016, the cumulative yield of embedded tracing polymeric microsphere products reaches around 1000 tand achieves an output value of more than 25 million yuan. When applied to multiple oil wells of every oil field block, the embedded tracing polymeric microsphere can achieve profile oil displacement,and meanwhile, when applied to oil field production dynamic monitoring and evaluation, research on oil-water well communication relation, recovery measure improvement and the like, the embedded tracing polymeric microsphere can achieve significant effects and help determine oil-water communication relation of the multiple wells.

The invention provides ceramic dust removal equipment for tobacco cutting and process. The equipment mainly comprises an ash hopper, a ceramic membrane integration assembly, a shell, a guide plate, a blowback device and an air purification chamber. During dust removal, dust-containing gases uniformly enter the shell by virtue of the guide plate and are purified by ceramic membranes under the action of an induced draft fan, and the dust is retained on the surface of the ceramic membranes. When the pressure rises to a set value for blowing back, blowback gases disperse in each membrane pipe in a membrane assembly for performing reverse pulse ash removal. According to the dust removal device, spark entrained dust can be treated, high temperature of 500 DEG C can be borne, and the retention rate of PM2.5 can be 99.99 percent. The device disclosed by the invention is compact in structure, high in dust removal precision, spark-resistant, high-temperature-resistant, acid and alkali resistant and long in service life, has high applicability to tobacco cutting and other sparked dust-containing gases and can be used for treating high-temperature flue gas dust in boilers and the like.

The invention discloses a chargeable 3V button-type lithium battery with a lithium ferrous phosphate positive electrode. The chargeable 3V button-type lithium battery comprises two half type metal shells, a diaphragm and a filling electrolyte are arranged in each shell, a positive electrode and a negative electrode are respectively arranged on two sides of each diaphragm, each diaphragm is a cellular polypropylene and polyethylene film or a composite film of combined both or a polypropylene felt or a fibrous paper film; the positive electrode is made of a current collector and a positive electrode material, the current collector is a stainless steel wire, and the positive electrode material consists of lithium-lack type lithium ferrous phosphate, an electric conducting agent and an adhesive; and a negative electrode is lithium aluminum alloy, and the electrolyte is prepared by dissolving lithium salt in an organic solution. The chargeable 3V button-type lithium battery disclosed by the invention has the advantages of high capacity, small self discharge, strong deep discharge capability, long service life and the like, and is an ideal substitute product of the 3V button-type chargeable lithium battery with manganese dioxide as the positive electrode.

The invention discloses a lithium battery and zinc-bromine flow battery hybrid energy storage management system. The management system is characterized in that five electric piles of a zinc-bromine flow battery are connected in series and then connected to a low-voltage terminal of a DC / DC converter, and the DC / DC converter is subjected to isolating voltage boosting and then divided into 16 paths to be output to a direct-current bus (DC Bus) in parallel; a lithium battery is divided into four paths of converters and then connected to the low-voltage terminal of the DC / DC converter to be converged with the zinc-bromine flow battery on the DC Bus, unified output is achieved, and a direct-current output port is formed and directly connected with a direct-current terminal of a PCS. The lithium battery and zinc-bromine flow battery hybrid energy storage management system has the advantages that the defect of single battery application in a traditional micro-grid system is overcome, the technical problem that the lithium battery cannot achieve long-time deep discharge is solved, the problem that the flow battery cannot achieve rapid rate discharge is solved, the application scale and application prospect of stored energy in future micro-grids and smart power grids are greatly extended, and a higher popularization value is achieved.

The invention provides an upper side and lower side executing mechanism for an intelligent dry separation machine. According to the upper side and lower side executing mechanism, selected materials are identified into three materials A, B and C by using the identifying system of an intelligent dry separation machine; the upper side and lower side executing mechanism uses a corresponding high-frequency electromagnetic valve to control an air spraying nozzle to spray any two materials of the three materials A, B and C in a synchronous or delayed manner; and the material A sprayed by an upper side executing mechanism from top to bottom enters a channel 1, the material C sprayed by a lower side executing mechanism from bottom to top enters a channel 3, and the un-sprayed material B enters a channel 2, such that the mixed raw materials are finally separated into the three products A, B and C through sorting. According to the present invention, with the upper side and lower side executing mechanism, the three products A, B and C can be sorted at one time; and the upper side and lower side executing mechanism is suitable for the process for sorting three products, and has characteristicsof effectively-simplified process, investment saving, reduced production cost and improved production efficiency.

The invention discloses a taxi queuing system based on a cloud computing technology, and belongs to the cloud computing application field. The taxi queuing system based on a cloud computing technologyincludes an organization structure module, a taxi quantity real-time statistics module and a query module, wherein the system creates the following organization structure through the organization structure module: a city-station name or airport name-exit-taxi pickup point is numbered; data acquisition points are set at taxi pickup points set to acquire and count the available taxis and update thedata in real time according to the taxis in and out; the query module includes taxi APP client query, touch screen machine query and link query; taxi APP client query displays all the taxi pickup points at the exit and the number of the current available taxis at each pickup point; touch screen machine query queries the pickup points of the current station or airport; and link query publicizes one query link, and passengers can directly access and query through the link and do not need to register for login. The taxi queuing system based on a cloud computing technology utilizes the cloud computing and big data technology to update and count the number of taxis at each location in real time, thus being able to effectively improve the pickup efficiency.

The invention discloses an Internet of Things equipment mutual authentication method and device based on a block chain technology, which can improve the computing power of the Internet of Things, especially for the Internet of Things with an edge computing scene, the computing can be directly placed at an edge end after the equipment passes authentication, and the equipment can also communicate with each other to utilize data of the opposite side, so that the computing efficiency is improved. The authentication mechanism between the devices also ensures the identity security of the devices, and different internet-of-things data islands can be broken through; according to the invention, the application scale of the Internet of Things can be expanded, the expansion capability of the Internet of Things is improved, different Internet of Things communication can be realized based on the cross-chain technology, and the method is the basis for constructing the large-scale Internet of Things; according to the method, the security of the Internet of Things can be improved, the block chain network has the characteristics of decentralization, tampering prevention and the like, and the security problem of the Internet of Things can be solved in addition to registration and authentication processes provided by the invention.

An IoT network architecture and wavelength division IoT gateway device is provided in the invention includes an optical de-multiplexer and an optical multiplexer that use wavelengths for multiplexing,such that information from different sources can be transmitted on the same optical fiber at different wavelengths in an optical network, thereby greatly improving bandwidth benefits of network information transmission and communication capacity of the gateway device so as to fulfill increasing local communication service requirements and further enhance IoT applications.

The invention discloses a method for optimizing a heat and power mixed energy system. Traditional demand side management and demand side response resource regulation are mostly researched on a certainaspect of system operation, however, a future thermal power hybrid energy system and demand side management cover multiple energy resources and involve multiple entities and are affected by various factors, existing research is very one-sided, and the overall coordination of the influences of system reliability, operational risk, cost, a price, energy utilization efficiency and an environment isnot facilitated. The method of the invention comprises the steps of the modeling of the heat and power mixed energy system without considering energy storage, the modeling of the heat and power mixedenergy system considering energy storage, the modeling of energy conversion of the heat and power mixed energy system, the modeling of optimization control of the heat and power mixed energy system, and the modeling of the optimization of heat and power mixed energy system. According to the method, with a typical heat and power mixed energy system as an object, an economic model of demand side management optimization and control is constructed, and the minimization of the operation body of a terminal energy system is achieved.

The invention provides an air exhauster adopting a vacuum pipe for driving and a conical sleeve pipe for accelerating and belongs to the technical field of solar energy. The air exhauster is formed by vertically piling up the solar energy straight-through type vacuum pipe and the conical heat collection sleeve which are coaxial, wherein the conical heat collection sleeve is formed by two cones. The air exhauster utilizes the two heat collection cavities of the straight-through type vacuum pipe and the conical sleeve pipe clamping wall to generate high-temperature and high-speed airflow, accelerating is achieved through the conical pipe, and the strong-pumping air exhauster function is achieved. In the outer side of the air exhauster, the air exhauster function of exhausting air towards the outside world is set at the bottoms of clamping wall passageways, an air suction port of the bottom of the vacuum pipe, an air outlet of the outer side of the top end of the air exhauster and the like. The air pumping and exhausting function of the air exhauster is strong, the high temperature and the high speed of the air heated by the air exhauster are sufficient, and the air exhauster is suitable for multiple purposes such as warming, drying, heating, ventilating and pushing. The air exhauster on the whole and an assembly can be subjected to base part modularization overlaying so as to enlarge power. The air exhauster operates in a fully-natural and passive mode, energy consumption and environmental cost are avoided, materials with lower prices can be adopted, machining and manufacturing are easy, operating is safe, and maintaining is convenient.

The invention provides a shared electricity technology detection method and system. The method comprises steps that a sensing platform is deployed on a data center; after a login request of a user is received by a shared electricity application program, and identity authentication of the user information contained in the login request is carried out; a shared electricity abnormality report edited by the user on terminal equipment is stored by the shared electricity application program, under the network condition, the shared electricity abnormality report is uploaded to the sensing platform; the shared electricity abnormality report is received by the sensing platform, the shared electricity abnormality report is converted into a form consistent with relevant standards, and stored relevant data of shared electricity equipment and the data reported by the user are compared and contrasted; the present positioning information is acquired by the terminal equipment and is broadcasted to surrounding users, and a work abnormality message of the shared electricity equipment is emitted to prompt other users to avoid trouble. The method is advantaged in that cost for constructing the special-purpose sensor network for shared electricity detection is saved, and the work abnormality data of the shared electricity equipment is uploaded by the user through mobile equipment.

The invention provides a straight-through vacuum pipe ground cold air taking device and belongs to the technical field of solar energy. An underground air pipe is arranged to obtain cold air, a straight-through vacuum pipe conducts solar heat collection and heating to produce a high-speed air flow to be introduced into an underground air pipe outlet section, solar heat collection air outlet flow forms a pressure difference and generates extraction kinetic energy, and underground pipe cold air is taken and used. The straight-through vacuum pipe ground cold air taking device can also operate in winter to extract underground hot air. The whole taking device and the straight-through vacuum pipe both can be used as basic assemblies to be superimposed in the vertical and transverse directions in a modularization mode to obtain full power and increase the power. The underground pipe can also be connected in series or in parallel to increase the capacity. The straight-through vacuum pipe ground cold air taking device can be used for extracting geothermal energy of soil heat, earth surface water heat, underground water heat and the like. Air heat taking is harmless to soil and the groundwater environment. Full nature passive operation is achieved, and no energy and environmental cost exists. Machining and manufacturing are easy, materials can be cheap, operating maintenance is simple and convenient, and the straight-through vacuum pipe ground cold air taking device can be utilized for industrial and civilian development on occasions of heat collecting, refrigeration, air conditioning, ventilation, drying, technique processes and the like.

The invention discloses a method for improving functional characteristics of alpha-lactalbumin. The method for improving the functional characteristics of the alpha-lactalbumin comprises the followingsteps: taking alpha-lactalbumin as a raw material; and then, adding safflower yellow at different concentrations, and carrying out mixing by using a high-speed stirrer so as to adjust the pH value ofthe mixture system to 6.5, thereby obtaining an alpha-lactalbumin safflower-yellow complex. Thus, the purpose of improving functional characteristics of the alpha-lactalbumin is achieved. Being adopted, the method for improving the functional characteristics of the alpha-lactalbumin is capable of directly preparing a novel functional alpha-lactalbumin base material with excellent anti-oxidation activity; and thus, application range of the alpha-lactalbumin and the safflower yellow in the field of food industry is broadened.

The invention discloses an application of nano-porous molybdenum disulfide controlled by mechanical strain to sea water desalination. Specifically, a molybdenum disulfide nanometer material with a sandwich-like structure and nano-pores serves as a study object, external pull is exerted on the molybdenum disulfide nanometer material to enable the material to generate the mechanical strain and enable the nano-porous structure to achieve controllable open and close states, and then the material can play a role in molecular level filtering operation like sea water desalination. Compared with a traditional reverse osmosis membrane and a graphene filtering membrane, a nano-porous molybdenum disulfide filtering membrane is controlled by the mechanical strain, and the filtering effect is more excellent; the production cost and the energy consumption in the implementation process are remarkably reduced, and the effects of energy conservation, emission reduction and environmental protection are achieved; in addition, the requirement of the method for equipment is low, and the method is beneficial for enlarging the application scale and has remarkable industrial applicability.

The invention discloses a product sharing system and method based on a cloud computing system. The product sharing system comprises a supply client, a sale client and a cloud computing management subsystem; the supply client is used for inputting supply information of to-be-sold products; the sale client is used for publishing demand information of to-be-purchased products; and the cloud computingmanagement subsystem is used for distributing permissions for the supply client and the sale client by a preset system administrator, and auditing the supply information and the demand information, thereby enabling a supply client user and a sale client user to share the supply information and the demand information. According to the product sharing system and method provided by the invention, ashared platform integrating supply and demand information of agricultural and sideline products is provided, thereby solving the problem of dull sale of agricultural and sideline products.

The invention provides a quick plug-in bus local area network communication adapter, which comprises a shell, a power supply and a bus mother board, one or more bus network plug-in card adapter boards are arranged in the shell, the plug-in card adapter boards are connected with the bus mother board through direct plug-in card slots, and the anti-interference of signals between the boards and the control of the bus power supply can be realized; the adapter further comprises: a network signal convergence card insertion board which is used for convergence of a plurality of groups of card insertion adapter boards and optical communication signals; and an optical fiber communication card insertion board which is used for transmitting and receiving optical port network signals. Gigabit-level high-speed network data communication is realized through an extensible bus network structure, a reliable safe voltage power supply is provided for a plurality of network equipments, and the expandability and maintainability of communication paths are effectively improved. According to the method, the application bottleneck of the bus local area network technology is broken through, and obstacles are eliminated for large-scale application of the bus local area network technology.

The invention provides a backbone routing device in line with an ISA100.11a standard and a routing method. The backbone routing device comprises a radio transmission module and a routing module, wherein the radio transmission module is used for completing transceiving of wireless frames, performing communication with the routing module and realizing communication with a terminal device of a DL sub-network; the routing module is used for performing transmission of data packets through a network interface module, a gateway device, a system manager and other backbone routing devices, and realizing backbone routing of the terminal device of the DL sub-network and packaging and parsing of IPv6 data packets. The backbone routing device provided by the invention can realize the advantages of a backbone network in the standard to the greatest extent, further bring out the advantages of high easiness in network expansion, high transmission efficiency of the terminal device and the like, and better realize the application of a wireless sensing network system in an industrial field.

The invention provides a vanadium oxide composite high-nickel ternary positive electrode material, and a preparation method and application thereof. The preparation method comprises the following steps: (1) mixing ammonium metavanadate and a high-nickel ternary positive electrode material, and uniformly grinding; and (2) calcining the ground mixture. The vanadium oxide composite high-nickel ternary positive electrode material is applied to preparation of a lithium ion battery, the assembled lithium ion battery has relatively high cycling stability, the industrialization prospect of the high-nickel ternary positive electrode material is greatly improved, and the application scale of the high-nickel ternary positive electrode material in the lithium ion battery is greatly enlarged. In addition, the preparation method of the vanadium oxide composite high-nickel ternary positive electrode material is simple and controllable in technological process, mild in condition and high in practicability, and the vanadium oxide composite high-nickel ternary positive electrode material can be obtained through a two-step process.

The invention discloses the use of nanoporous molybdenum disulfide controlled by mechanical strain in seawater desalination. Specifically, the present invention takes molybdenum disulfide nanomaterials with nano-pores with a sandwich structure as the research object. By applying external tension to it, it produces mechanical strain and makes the nano-pore structure in it controllable. The "open" and "closed" states, in turn, play a role in molecular-level filtration operations such as desalination. Compared with traditional reverse osmosis membranes and graphene filter membranes, the nanoporous molybdenum disulfide filter membrane of the present invention is controlled by mechanical strain, and the filter effect is more excellent; its production cost and energy consumption during implementation are also significantly reduced, It has played the role of energy saving, emission reduction and green environmental protection. In addition, the method disclosed in the present invention has relatively low requirements on equipment, is conducive to expanding its application scale, and has remarkable industrial applicability.

The invention discloses a preparation method of a magnetic graphene oxide demulsifying agent. The magnetic graphene oxide demulsifying agent is prepared by taking magnet powder as a carrier and loading graphene oxide on the surface of the carrier; the use amount ratio of the magnet powder to ethanol to water to a silane coupling agent to the graphene oxide is (1g to 5g) to (70mLto 95mL) to (5mL to 30mL) to (0.2g to 1g) to (1g to 5g). In preparation and application of the magnetic graphene oxide demulsifying agent provided by the invention, a magnetic separation method can be used, and high efficiency, time saving, energy saving and environment protection are realized; the application scale and range of the graphene oxide in an oil-water emulsion separation process can be easily expanded. The raw materials for preparing the demulsifying agent are easy to obtain, low in cost, stable in physical and chemical properties and capable of being repeatedly used and secondary pollution is avoided; the demulsifying agent has huge social and economic value and a wide application prospect.

The invention provides ceramic dedusting equipment and technology for cutting shredded tobacco. The equipment mainly includes ash hopper, ceramic membrane integrated components, shell, deflector, back blowing device and clean air chamber. During dust removal, the dust-laden gas first enters the casing evenly through the deflector, and the dust-laden gas is purified through the ceramic membrane under the action of the induced draft fan, and the dust is trapped on the surface of the ceramic membrane. When the pressure rises to the set value, the backflush is carried out, and the backflush gas is dispersed into each membrane tube in the membrane module for reverse pulse cleaning. This dust removal device can handle spark dust and can withstand a high temperature of 500 ° C, and the PM2.5 interception rate can reach 99.99%. The device of the invention has the advantages of compact structure, high dust removal precision, spark resistance, high temperature resistance, acid and alkali resistance, long service life, strong applicability to dusty gas with sparks such as cutting tobacco shreds, and can also be used for high temperature flue gas dust removal such as boilers. deal with.

The invention provides a straight-through vacuum pipe ground cold air taking device and belongs to the technical field of solar energy. An underground air pipe is arranged to obtain cold air, a straight-through vacuum pipe conducts solar heat collection and heating to produce a high-speed air flow to be introduced into an underground air pipe outlet section, solar heat collection air outlet flow forms a pressure difference and generates extraction kinetic energy, and underground pipe cold air is taken and used. The straight-through vacuum pipe ground cold air taking device can also operate in winter to extract underground hot air. The whole taking device and the straight-through vacuum pipe both can be used as basic assemblies to be superimposed in the vertical and transverse directions in a modularization mode to obtain full power and increase the power. The underground pipe can also be connected in series or in parallel to increase the capacity. The straight-through vacuum pipe ground cold air taking device can be used for extracting geothermal energy of soil heat, earth surface water heat, underground water heat and the like. Air heat taking is harmless to soil and the groundwater environment. Full nature passive operation is achieved, and no energy and environmental cost exists. Machining and manufacturing are easy, materials can be cheap, operating maintenance is simple and convenient, and the straight-through vacuum pipe ground cold air taking device can be utilized for industrial and civilian development on occasions of heat collecting, refrigeration, air conditioning, ventilation, drying, technique processes and the like.