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201results about How to "Avoid duplication of investment" patented technology

Intelligent depot output-input system of digital grain depot

The invention discloses an intelligent depot output-input system of a digital grain depot. The intelligent depot output-input system of the digital gain depot comprises an intelligent depot output-input access control system, an intelligent depot output-input automatic sampling system, an intelligent depot output-input examination assay system, an intelligent depot output-input unattended operation automatic metering system, an intelligent depot output-input system control terminal, an intelligent depot output-input goods receiving-sending management system, an intelligent depot output-input system one-stop service platform and an intelligent depot output-input system control center. The intelligent depot output-input access control system, the intelligent depot output-input automatic sampling system, the intelligent depot output-input examination assay system, the intelligent depot output-input unattended operation automatic metering system, the intelligent depot output-input system control terminal, the intelligent depot output-input goods receiving-sending management system and the intelligent depot output-input system control center are connected with the intelligent depot output-input system one-stop service platform. According to the intelligent depot output-input system of the digital grain depot, a computer, the RFID internet of things technology, the communication technology and the information technology are converged together, networking, automation and intelligent management of the depot output and input are achieved, and labor participation is reduced.
Owner:JINAN JINZHONG ELECTRONICS SCALE +1

Method for desulfurizing and denitrating smoke simultaneously through ammonia method

The invention relates to a method for desulfurizing and denitrating smoke simultaneously through an ammonia method, which is carried out in a desulfurizing and denitrating system. The desulfurizing and denitrating system comprises a desulfurizing and denitrating tower, the desulfurizing and denitrating tower is provided with a washing demisting segment, an absorption segment and an oxidation segment, wherein the absorption segment is provided with a first desulfurizing spray layer, a second desulfurizing spray layer and a denitrating spray layer from top to bottom; the oxidation segment is provided with a denitrating circulation layer, a desulfurizing circulation layer and an oxidation layer from top to bottom, wherein the denitrating circulation layer, the desulfurizing circulation layerand the oxidation layer are respectively communicated with the denitrating spray layer, the second desulfurizing spray layer and the first desulfurizing spray layer through circulating pipelines positioned outside the desulfurizing and denitrating tower; smoke enters from a smoke inlet, sequentially contacts with the absorption liquid of the denitrating spray layer, the second desulfurizing spraylayer and the first desulfurizing spray layer for denitration and desulfurization, then enters the washing demisting segment and then is exhausted; the absorption liquid of the spray layers descends to the oxidation segment and reacts on the oxidation layer to generate ammonium sulfate; and the absorption liquid of the denitrating circulation layer, the desulfurizing circulation layer and the oxidation layer is respectively delivered to the denitrating spray layer, the second desulfurizing spray layer and the first desulfurizing spray layer through the circulating pipelines positioned outsidethe desulfurizing and denitrating tower.
Owner:NANJING NEW CENTURY JIANGNAN ENVIRONMENTAL PROTECTION CO LTD

Urban control management system based on intelligent street lamps

The invention discloses an urban control management system based on smart street lamps, and relates to the technical field of smart cities. The smart city is constructed on the basis of the smart street lamps, interconnection and intercommunication of multiple platforms in the smart city are achieved, and repeated investment is reduced. The intelligent street lamp is a composite public infrastructure integrating multiple functions of intelligent lighting, video acquisition, mobile communication, traffic management, environment monitoring, meteorological monitoring, radio monitoring, emergencyhelp seeking, information interaction and the like, and is an important carrier for constructing a comprehensive perception network of an intelligent city.
Owner:四川众兴华业市政照明工程有限公司

Multi-use safety device for computing electronic payment code and its generating method

The invention relates to a multiple-purpose safety device and cipher code generation method for calculating electronic payment cipher code, which comprises a central processor comprehensive control and calculation unit, a cipher code arithmetic assisting processor unit, a memory unit, a hardware random number generator unit and an interface control unit. Wherein, the cipher code arithmetic assisting processor unit is composed of an arithmetic operation module for a plurality of bank business electronic payment cipher codes; the central processor comprehensive control and calculation unit comprise a judgment sub-unit to judge the type of present request; the cipher code arithmetic assisting processor unit is controlled to automatically select and execute one of the plurality of electronic payment businesses. The cipher code generation method comprises the following procedures: receive a request data package sent from outside; judge the business type to be executed in the data package and select corresponding arithmetic module; after finishing the determination of business type, judge the operation type of the request to be executed in the request data package to conduct cipher code generation.
Owner:SHENZHEN SINOSUN TECH

Resource dispatching system

ActiveCN102843418AReal-time monitoring of real-time statusIncrease profitData switching networksResource poolState parameter
The invention discloses a resource dispatching system which comprises a business system, a server, a resource pond, a data center and a dispatching platform; the server is used for providing services for the business system; the resource pond is formed by the server; the data center is formed by the resource pond; the dispatching platform is used for monitoring the business system, the server, the resource pond, and the data center; the dispatching platform comprises a server managing module, a system resource managing module, and a resource pond managing module, wherein the server managing module is used for deploying the server; the system resource managing module is used for deploying the business system and setting up an incidence relation among the business system, the server and the resource pond; the resource pond managing module is used for generating a network topological structure chart of the resource pond according to the incidence relation among the business system, the server and the resource pond and publishing a state parameter of the server related to the resource pond. By adopting the resource dispatching system, the incidence relation among the business system, the server and the resource pond can be set up, the resource is dynamically distributed; the utilization rate of an information device is improved to the maximum.
Owner:GUANGDONG POWER GRID CO LTD INFORMATION CENT +1

Pumping unit balance adjusting apparatus and pumping unit balance structure adjusting method

The invention discloses a balance adjustment device for oil pumping machine and balanced structure adjustment method of oil pumping machine, by which the balanced structure adjustment is changed from using indirect parameter-electric current to using direct parameter-displacement, so that the adjustment is accurate and rapid, and the energy is remarkably saved. The invention also discloses an oil extraction control device, a color power indicator, an oil extraction measurement meter, an oil extraction integrated protection device, an oil extraction integrated testing and diagnosis control device, and a data acquisition and transmission unit for an oil extraction measurement and control system. The color power indicator provides a novel mean and method for diagnosis of oil pumping machine, which remarkably improves the effectiveness of diagnosis. The oil extraction integrated diagnosis control device and the data acquisition and transmission unit for the oil extraction measurement and control system have the advantages of high degree of automation, more monitored and controlled parameters, and large protection range; can perform onsite automatic acquisition and control and can perform long-distance automatic acquisition and control in management center; and provides a fundamental mean with high feasibility for realizing automated management of the full oil field.
Owner:刘克文

Method for desulfurizing and denitrating smoke simultaneously through ammonia method

The invention relates to a method for desulfurizing and denitrating smoke simultaneously through an ammonia method, which is carried out in a desulfurizing and denitrating system. The desulfurizing and denitrating system comprises a desulfurizing and denitrating tower, the desulfurizing and denitrating tower is provided with a washing demisting segment, an absorption segment and an oxidation segment, wherein the absorption segment is provided with a first desulfurizing spray layer, a second desulfurizing spray layer and a denitrating spray layer from top to bottom; the oxidation segment is provided with a denitrating circulation layer, a desulfurizing circulation layer and an oxidation layer from top to bottom, wherein the denitrating circulation layer, the desulfurizing circulation layerand the oxidation layer are respectively communicated with the denitrating spray layer, the second desulfurizing spray layer and the first desulfurizing spray layer through circulating pipelines positioned outside the desulfurizing and denitrating tower; smoke enters from a smoke inlet, sequentially contacts with the absorption liquid of the denitrating spray layer, the second desulfurizing spraylayer and the first desulfurizing spray layer for denitration and desulfurization, then enters the washing demisting segment and then is exhausted; the absorption liquid of the spray layers descends to the oxidation segment and reacts on the oxidation layer to generate ammonium sulfate; and the absorption liquid of the denitrating circulation layer, the desulfurizing circulation layer and the oxidation layer is respectively delivered to the denitrating spray layer, the second desulfurizing spray layer and the first desulfurizing spray layer through the circulating pipelines positioned outsidethe desulfurizing and denitrating tower.
Owner:NANJING NEW CENTURY JIANGNAN ENVIRONMENTAL PROTECTION CO LTD

Heating power direct drinking machine/water boiling machine/water heater

Disclosed is a thermal direct water dispenser / water boiler / water heater which organically integrates the functions of a direct water dispenser, a water boiler and a heater. City tap water is heated to 90 DEG C for sterilization and is turned to drinking water, and 90%of the sensible heat of the drinking water is recovered through a closed sensible heat cycle formed by heat exchanger of temperature difference of 5 DEG C. In this way, thermal direct-drinking water with temperature 5 DEG C higher than city tap water can be prepared, therefore the thermal direct water dispenser realizes the functions of increasing yield, reducing energy consumption and producing water which is rich is in oxygen, thus advocating lifestyle. The thermal direct water dispenser adopts a double-warming preheating structure with double heat preserving liners and double heating pipes. The thermal direct water dispenser can unilaterally dispense drinkable water with temperature of 90 DEG C and maintains the function of a water boiler, and can dispense hot water with temperature of 70 DEG C when connected in parallel, thus having the function of a water heater.
Owner:侴乔力

Low-voltage power distribution network transformer area topology identification method and system

ActiveCN111030097AAvoid crosstalkImprove the efficiency of topology recognitionAc network circuit arrangementsTopology identificationTransformer
The invention discloses a low-voltage power distribution network transformer area topology identification method and system. A transformer area center node transmits a center node identification signal to all nodes in the transformer area through three-phase power supply lines A, B and C, and branch nodes and leaf nodes in the transformer area receive and analyze the identification signal; each branch node sends a branch node identification signal to each subordinate node layer by layer, and the subordinate node of the branch node receives and analyzes the identification signal; the branch nodes and the leaf nodes return the ID identifiers and the phase sequence identifiers of the superior nodes obtained through analysis and the identification information of the nodes to the transformer area center node; and the transformer area center node reads and analyzes the information to obtain the topological structure of the low-voltage transformer area. According to the method, the identification signals are synchronously coupled to the phases A, B and C of the three-phase power supply line, crosstalk between the phase lines caused by single-phase transmission of the topology identification signals in the prior art is avoided; meanwhile, the topology identification efficiency of the low-voltage transformer area is improved by simultaneous transmission of the identification signals inthe three phases.
Owner:JIANGSU FRONTIER ELECTRIC TECH

Alternating-current and direction-current (AC-DC) integrated power supply system and DC power supply cabinet

The invention discloses an alternating-current and direction-current (AC-DC) integrated power supply system, which comprises an AC power distribution unit, an AC uninterruptible power supply (UPS) system, a charging module, a battery pack, a communication power supply and a monitoring system. The AC power distribution unit is connected with two AC mains supplies; when the AC mains supplies are turned on, the AC mains supplies supply power to the AC UPS system and the charging module through the AC power distribution unit, and the charging module converts the AC mains supplies into a stable DC power supply and outputs the stable DC power supply to the battery pack and the communication power supply; and when the AC mains supplies are turned off, the battery pack supplies power to the communication power supply and the AC UPS system. The monitoring system comprises monitoring software, the monitoring software comprises a main interface and an independent sub-interface, and the main interface is used for displaying the main wiring diagram of the intelligent integrated power supply system and displaying the operating conditions and the information of functional units of an intelligent integrated power supply in real time. The invention further discloses a DC power supply cabinet adopting the AC-DC integrated power supply system.
Owner:SUZHOU LONG YUAN ELECTRICITY TECH

System, method and device for managing application programs

The invention discloses a system, a method and a device for managing application programs, belonging to the field of internet. The system comprises an application program mall and an application program store, wherein the application program mall comprises the following modules: an information management module for recording and maintaining application program store information, application program information, network service information and user information, a transaction management module for billing and charging the application programs according to the information maintained by the information management module, and a communication module for interacting information with the application program store through a network communication interface; and the application program store comprises the following modules: a product exhibition module for providing exhibition logic for an exhibition way of the products, and exhibiting the products, wherein the products include the application programs and network services running the application programs, and the communication module for interacting information with the application program mall through the network communication interface. With the system, the method and the device provided by the invention, the application program mall and the application program store are independently arranged and maintained, the problem of waste of resource and labor power is solved, and some unnecessary works are avoided.
Owner:HUAWEI TECH CO LTD

Combined high voltage DC circuit breaker with DC power flow control and control strategy thereof

The invention discloses a combined high voltage DC circuit breaker with DC power flow control and a control strategy thereof. The daily flow passage branch of the traditional combined high voltage DC circuit breaker is improved, a load transfer switch is changed from the original IGBT series into the full bridge sub-module series, and an overvoltage energy drain branch is additional provided. The invention controls the size of the positive resistance effect in the branch by controlling the frequency of the load transfer switch sub-module capacitor, so as to realize the purpose of the power flow control. Compared with the prior art, the load transfer switch of the circuit breaker topology of the invention has the dual function of the circuit breaker and the power flow controller, so as to reduce the repeated investment and reduce the construction cost of the power grid. In addition, the IGBT obtains power directly from the sub-module capacitor thereof while the external power supply is not required, the insulation problem difficult to solve in the project is avoided, and the application prospect in the high voltage DC power grid is enhanced.
Owner:ZHEJIANG UNIV

Digital visual intercom indoor intelligent gateway extension control system

The system comprises a digital visual intercom indoor intelligent gateway extension control system, which comprises a system functional module, a gateway extension functional module, a control system platform, a control system networking module and a system operation mode. An indoor extension circuit part adopts a hardware bottom layer based on a Cortex architecture, integrates a digital wireless ZigBee module and switching value input, and adopts an open Android 4.2 system in an application layer. The system functional module comprises a control module, a system setting module, a security protection module, a visual intercom module, a ZigBee intelligent home module, a WiFi module and an RS485 module. The control module performs comprehensive control and operation on the operation of an intelligent control system through the control system platform and built-in control software. The digital visual intercom indoor intelligent gateway extension control system is pure digital visual equipment, and has the advantages of good compatibility, high anti-interference performance by networking in a topological manner, low construction investment and cost, stable operation of a security protection system, and low use and maintenance costs.
Owner:JIANGSU ZEE HOT INFORMATION TECH CO LTD

High voltage direct current power supply system for both alternating current purpose and direct current purpose

The invention discloses a high voltage direct current power supply system for both an alternating current purpose and a direct current purpose, and aims to provide the high voltage direct current power supply system which can supply both direct current and alternating current. The system comprises an alternating current electricity distribution unit, rectifier modules, an inverter module, a monitoring module, a storage battery pack and a direct current electricity distribution unit, wherein the alternating current electricity distribution unit is connected with the rectifier modules; the rectifier modules are connected with the direct current electricity distribution unit, the inverter module and the storage battery pack respectively; the direct current electricity distribution unit is connected with direct current loads; the inverter module is connected with alternating current loads; and the monitoring module is connected with the alternating current electricity distribution unit, the rectifier modules, the inverter module, the storage battery pack and the direct current electricity distribution unit.
Owner:HUNAN FENGRI ELECTRIC GROUP

Big-data-based panoramic power grid multivariate heterogeneous data fusion method

The invention provides an effective method for solving panoramic power grid multivariate heterogeneous data fusion based on big data. The big-data-based panoramic power grid multivariate heterogeneousdata fusion method comprises the steps of: defining communication protocols of a conventional wide area measurement system, a fault recorder and a light wide area measurement system, and clarifying formats and types of respective measurement data; performing shunting decoding on data frames monitored by a master station, extracting, storing, cleaning and standardizing the data in a memory, and then managing large-scale heterogeneous data in a multi-machine distributed non-relational database; and finally, performing online analysis and offline knowledge discovery of big data on a bottom layerdata interface. The big-data-based panoramic power grid multivariate heterogeneous data fusion method has the beneficial effects of realizing the effect of comprehensively analyzing three power gridmonitoring systems in a unified manner under a platform frame through large-scale heterogeneous data fusion, realizing panoramic dynamic behavior monitoring of power grid multi-voltage levels, fully utilizing the existing equipment and resources to reduce overlapping investment, and improving the operation and control level of the power grid.
Owner:STATE GRID SHANDONG ELECTRIC POWER +1

Data encryption key management method, system and terminal

The embodiment of the invention provides a data encryption key management method, a system and a terminal. The method comprises the following steps: receiving a data encryption key escrow request sent by a first terminal, wherein the data encryption key escrow request carries a first encryption key, the first encryption key is obtained by encrypting a third encryption key with a second public key, the second public key is a public key of encryption equipment, and the third encryption key is the data encryption key of the first terminal; and saving the first encryption key. According to the embodiment of the invention, as the data encryption key of the terminal is escrowed to an encryption service management system, when the electronic encryption key of the terminal is lost, the data encryption key of the terminal can be restored through the encryption service management system, so that the encryption system of the terminal is decoupled from a CA (Certificate Authority), the problem of repeated investment of the CA is improved, and the independency of encryption service is enhanced.
Owner:HUAWEI DIGITAL TECH SUZHOU

Boiling water machine/water heater

The invention relates to a boiled water machine / a hot water device. The functions of a boiled water machine and a hot water device are organically combined into a whole so as to avoid repeated investment. Firstly, water is preheated to drinking water of 90 DEG C and hot water of 60 DEG C respectively through a drinking water heating cup and a hot water heating cup; secondly, the drinking water of 90 DEG C is unidirectionally guided out from the drinking water heating cup to a drinking water valve through utilizing a parallel check valve in a water outlet of the drinking water heating cup and the hot water heating cup, thereby realizing the function of the boiled water machine; or the drinking water of 90 DEG C and hot water of 60 DEG C are guided out in parallel from the drinking water heating cup and the hot water heating cup to a cold / hot water mixing valve and are mixed into hot water of 70 DEG C, thereby realizing the function of the hot water device.
Owner:侴乔力

Cloud-platform-based territorial resource data management system

The invention discloses a cloud-platform-based territorial resource data management system, comprising: a GIS (geographic information system) cloud platform that includes a territorial resource core database system, a data sharing-exchanging system, a territorial resource integrated display and analysis system and an operation maintenance and management system. The territorial resource core database system is used for storing and managing territorial resource data. The data sharing-exchanging system is used for generating territorial resource integrated data and providing an access interface for users. The territorial resource integrated display and analysis system is used for analyzing territorial resource data, generating analysis results, and providing an access interface for users. Theoperation maintenance and management system is used for performing rights management, monitoring, and resource scheduling. The cloud-platform-based territorial resource data management system can provide uniform establishment and sharing of hardware resources, thereby avoiding repeated investment; a uniform regular efficient data management function is provided; the data sharing problem is solved, business departments can assist in establishment and management of a decision model and in the sharing of decision plans.
Owner:BEIJING GREATMAP TECH

Communication protocol adapter-based integrated terminal access system structure

InactiveCN101778133AEasy data integrationAchieving single-master integrationTransmissionAbstraction layerPrimary station
The invention discloses a communication protocol adapter-based integrated terminal access system structure, which comprises a terminal equipment layer, a communication layer and an application layer, wherein the terminal equipment layer, the communication layer and the application layer are arranged in turn from the bottom to the top based on SOA architecture, and connected in a message transmission mode. Further, the communication layer comprises a link abstraction layer for shielding data transmission differences of various communication channels and a communication protocol layer for shielding differences of various protocol type acquisition terminals. Furthermore, an adapter of the communication protocol layer is connected with the application layer through multiple communication protocols. The structure realizes integration of single main stations so that the initial constructed professional system can conveniently perform data integration and application integration; and the initial invested field equipment can be completely and effectively connected to a new system, so repeated investment is avoided.
Owner:STATE GRID SHANDONG ELECTRIC POWER

Measuring method of thermal shrinkage rate of cigarette packaging film

The invention discloses a measuring method of a thermal shrinkage rate of a cigarette packaging film. The measuring method is characterized by comprising the steps that an image acquisition device acquires dimension parameters of the cigarette packaging film before and after certain temperature and time processing in a heating medium; images are preprocessed; boundaries of the cigarette packaging film before and after shrinkage are fitted out by image analysis software; dimension variations of the cigarette packaging film are measured by using image measuring software; and longitudinal, transverse and overall thermal shrinkage rates of the cigarette packaging film are obtained after computation. According to the measuring method, the images before and after the shrinkage of the cigarette packaging film can be extracted and subjected to necessary image preprocessing and image analysis, and the dimension parameters of the cigarette packaging film can be extracted, so that the thermal shrinkage rate of the cigarette packaging film can be accurately measured. According to the measuring method, an influence of manual measuring on a testing result in an existing method can be avoided and a personal error can be eliminated; and the measuring procedure is fully automatic, so that the measuring accuracy and the measuring precision can be improved.
Owner:CHINA NAT TOBACCO QUALITY SUPERVISION & TEST CENT

Manufacturing method of plant fibre products

The invention relates to a manufacturing method of plant fibre products, which comprises the steps: pulverized substances containing textile plants are poured into a banburying kneader and chemical pretreatment solution is added, so the fibre pretreatment chemical modification is realized simultaneously when mechanical physics modifying is realized; after entering into an expansion extruder for expansion modification, the pulverized substances are added with various additives and fillings, which are banburied and kneaded together, and the banburying kneading substance is rolled into particles by a particle rolling machine; or plant fibre subjected to banburying kneading chemical modification and various additives and fillings are directly and together banburied and kneaded and then are extruded and produced to form particles or extrusion sectional materials by the expansion extruder; the produced particles or sectional materials can be used for producing plant fibre products of various types and performances and plant fibre products of sheets, sectional materials, paper, membranes, and the like by utilizing the prior plastic injection machine, extruder, blow moulding machine, rubber refining machine, calander, hot press, and equipment and technology principles of microwave and infrared, steam drying, and the like so as to replace plastic, plastic foam, woodworks, paper and membranes.
Owner:朱秀刚

Side management terminal needed by multi-network integrated intelligent grid

The invention discloses a side management terminal needed by a multi-network integrated intelligent grid and belongs to the field of intelligent grid management. The side management terminal comprises a CPU module, a closedown module, an acquisition module and the like, wherein an AC / DC conversion module, the closedown module, the acquisition module, an Ethernet module, a storage module and an indicator light module are connected with a CPU module respectively; the outlet of a Cable Modem module is connected with the inlet of the Ethernet module; the outlet of a CATV is connected with the inlet of the Cable Modem module; and the outlet of the closedown module and the acquisition module are connected with an electricity meter on a bus respectively. The device provides a plurality of data transmission ways, performs statistics on line in real time, transmits electricity data back to an electrical supply company, changes the electricity meter with single function to an electricity meter with multiple functions, and realizes functions of remote closedown and the like.
Owner:BEIJING HUAXIN ZHIHE SCI & TECH

Method and system for realizing multimedia playing on cell phone terminal via SIM card

A method for realizing multimedia play at mobile phone terminal through SIM card utilizes mobile phone terminal to realize display and play and utilizes SIM card to realize decoding function. The system with signaling channel for transmitting multimedia play control signal and data channel for transmitting large capacity of data at high speed between mobile phone terminal and SIM card is also disclosed.
Owner:RDA MICROELECTRONICS SHANGHAICO LTD

Modular assembled electrical energy meter

InactiveCN101435834AReduce volumeProduction scale and high efficiencyCurrent/voltage measurementEngineeringPhase lead
The invention relates to an electrical energy meter which can be modularizedly assembled. The electrical energy meter comprises a power line access module and at least one modularized electrical energy meter, wherein the power line access module comprises a phase line access component and a zero line access component which are provided with an access end and an output end respectively; the access end of the phase line access component is connected with a phase line of a power line; the access end of the zero line access component is connected with a zero line of the power line; each modularized electric energy meter is provided with the phase line access end, the zero line access end, the phase line output end and the zero line output end and is used for metering the electrical energy values output by the phase line access end and the zero line access end of the power line of each user; the output end of the phase line access component is connected with the phase line access end; the phase line output end is connected with the phase line output line; the output end of the zero line access component is connected with the zero line access end; the number of the zero line output line is connected with the zero line output end; and the power line access module and the modularized electrical energy meter are arranged on a box body through modularized characteristic and are distributed.
Owner:HUBEI SHENGJIA ELECTRIC EQUIP +1

Scenic area's real-time monitoring webcasting system based on mobile internet

The invention discloses a scenic area's real-time monitoring webcasting system based on mobile internet which comprises client terminals, a scenic data management center and a plurality of monitoring terminals arranged in the scenic area. The scenic data management center and the monitoring terminals are connected through the monitoring network in the scenic area. The monitoring terminals comprise a plurality of video acquisition front ends distributed in different positions. The data management center comprises a stream media server and a VOD video clicking and playing system. The stream media server comprises an NVR network hardware image recorder and a DVS network video server. The stream media receives the scenic area's video data transmitted from the network; and through the VOD, the data are transmitted to the client terminals within the mobile internet. The client terminals access the webcasting video data through the mobile internet. According to the invention, it is possible to provide mobile internet users a plurality of manners to check the live broadcasting client terminals in nationwide scenic areas so that the users could browse the visitor flow to, the weather and the sceneries of the scenic areas. The system also integrates existing video monitoring systems effectively at a low cost.
Owner:李东方

LED street lamp system with intelligent remote control

The present invention discloses an LED street lamp system with intelligent remote control. The system comprises LED street lamps, single lamp controllers arranged on the LED street lamp, a centralized controller which controls each of the single lamp controllers, and a control center which controls the centralized controller. Each of the single lamp controllers comprises a power supply, a current and voltage acquisition circuit, a switch circuit, a PWM modulation circuit and a first PLC unit. The output end of the current and voltage acquisition circuit and the output end of the switch circuit are connected to the input end of the first PLC unit. The output end of the first PLC unit is connected to the input end of the PWM modulation circuit. The power supply supplies power to the above modules. The centralized controller comprises an MCU micro processing unit, a storage unit, a wireless communication unit, a second PLC unit and a power supply. The storage unit, the wireless communication unit and the second PLC unit are electrically connected to the MCU micro processing unit, and the power supply supplies power to the above modules. The first PLC unit is electrically connected to the second PLC unit. The centralized controller is connected to the computer of the control center through the wireless communication unit.
Owner:SHENZHEN HIPOWER OPTOELECTRONICS

Powerline ice-covering early warning integrated applied system

The invention is a power transmission line icing early warning integrated application system, which includes a main station (1), a plurality of icing early warning analysis modules (2), a database module (3), a general power transmission line model module (4) and a plurality of monitoring terminals (5), wherein information interaction between the main station (1) and the plurality of icing early warning analysis module (2) is realized by employing manner of exchanging data file, the general power transmission line model module (4) is stored in the database module (3), and information interaction between the monitoring terminals (5) and the main station (1) is realized by the database module (3). The invention resolves problems that power transmission line icing early warning analysis software researched by different manufacturers is not compatible and early warning information can not be effectively shared, makes electric power department preferably select power transmission line monitoring product according to need, and makes different power transmission line monitoring products simultaneously access to a main station system. The invention can reduce project investment, enhance scalability and maintainability of the early warning system, and improve application effect of the power transmission line icing early warning system.
Owner:POWER GRID TECH RES CENT CHINA SOUTHERN POWER GRID

Multifunctional sand box for casting

A multifunctional sand box for casting comprises box walls at the peripheries and a box bottom. Structural steels for strengthening are installed on the peripheries of the box walls, vertical separating boards are arranged in the sand box to separate the sand box into small sand boxes which are not communicated, and an independent vacuumizing interface is arranged on the lateral face or / and the bottom face of each small sand box. The separating boards are added in the sand box, so that the sand box is separated into the small sand boxes, and reasonable size of the small sand boxes can be adjusted according to different casting pieces. Each small sand box has the independent vacuumizing interface, air between small sand boxes is not communicated, an independent negative pressure system guarantees that negative pressure in the small sand boxes does not influence on others, the negative pressure can be adjusted according to different requirements, cast production manufacturers do not need customize large-size sand box in order to give consideration to manufacture different casting pieces, generality of a production line is improved, overlapping investment of the production line is effectively avoided, and an evanescent mode induction doorsill is reduced.
Owner:湖南省津市市嘉城汽车部件制造有限公司

Hybrid networking technology employing WiFi wireless local area network and LTE cellular network

Disclosed is a hybrid networking technology employing a WiFi wireless local area network and an LTE cellular network. The design method of a network controller of a wireless local area network (WiFi), on the one hand, is provided with a wireless local area network stack prescribed by the 802 international organization, and is capable of managing base stations in the wireless local area network, on the other hand, is provided with a wide wireless cellular network core network device management function and a protocol stack prescribed by the 3GPP international organization for standardization, and is capable of supporting functions of validation, billing, service quality insurance, encryption, mobile and roaming support for user terminals according to a method defined by wide wireless cellular network, thereby achieving hybrid networking of the WiFi wireless local area network and the LTE cellular network. The hybrid networking technology between WiFi wireless local area network and LTE cellular network is advantaged by (a) utilizing two wireless base stations at the same time to achieve wireless coverage in the service area, thereby preventing repeated investment; (b) flexibly configuring user flow in two wireless sub-systems, in order to reach a plurality of effects such as load balance, service quality improvement and service redundancy improvement; and (c) greatly enlarging support ranges of user terminals.
Owner:CHANGSHU MEILIANDONG ELECTRONICS SCI & TECH
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