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11322results about How to "Realize function" patented technology

Intelligent substation based on sensor, communication network and expert system

The invention discloses an intelligent substation based on sensors, a communication network and an expert system. The intelligent substation comprises a substation automation system, a primary equipment condition monitoring system and an intelligent auxiliary control system. The intelligent substation is characterized in that the real-time data of equipment operation are acquired by additionally installing various sensors, the IEC61850 standard is utilized to realize information modeling of the sensor data, a communication network is utilized to build a physical channel for information transmission, and advanced application of the substation automation system and intelligent monitoring and linkage of the primary equipment condition monitoring and auxiliary systems are realized by a background expert system, thus realizing intelligent operation and patrol functions of the substation; the sensors include an all-fiber electronic current transformer, a capacitive voltage divider type electronic voltage transformer, a primary equipment condition monitoring sensor and an internet sensor with an auxiliary system things; and the advanced application of the substation automation system includes sequential control, equipment condition visualization, intelligent alarm, distributed condition estimation, substitution function and the like. Intelligent operation and patrol functions of the substation can be realized.
Owner:CEEC JIANGSU ELECTRIC POWER DESIGN INST +2

Intelligent going-out and best carport navigation system and navigation method thereof

The invention discloses an intelligent going-out and best carport navigation system and a navigation method of the navigation system. The intelligent going-out and best carport navigation system comprises an optimal path recommendation unit, a traveling car real-time positioning device, a parking guidance master controller, a wireless carport probe, a wireless network communication unit, a central processing unit (CPU) and a liquid crystal touch screen. The best running route is timely recommended on a liquid crystal display by the optimal path recommendation unit according to real-time road conditions, and the optimal path recommendation unit helps an owner to keep away from a blocking road section, so that the owner can arrive at the destination at the top speed. The parking guidance master controller can provide convenient parking lot carport information on the liquid crystal display, so that the owner can find an appropriate parking lot and the best carport with a nearest road in a short time, troubles of the owner for finding the carport are removed accordingly, parking time is saved, and parking speed is quickened. The intelligent going-out and best carport navigation system and the navigation method achieve car dynamic route guiding and carport best guiding functions, provide accurate and comprehensive traffic guidance information on the liquid crystal display, and improve traveling and parking efficiency and quality.
Owner:SHANDONG ACAD OF SCI INST OF AUTOMATION

Spinel nickel manganese acid lithium and layered lithium-rich manganese-based composite cathode material with core-shell structure and preparation method thereof

The invention relates to a spinel nickel manganese acid lithium and layered lithium-rich manganese-based composite cathode material with a core-shell structure and a preparation method thereof, which belongs to the technical field of material synthesis. The prepared lithium ion composite cathode material takes a layered lithium-rich manganese-based Li[Lia(NixCoyMnz)]O2 as a core material, takes spinel nickel manganese acid lithium LiNi0.5Mn1.5O4 as a shell material; a coprecipitation method is employed to obtain a core-shell precursor, the core-shell precursor and the lithium source are uniformly mixed and calcined to obtain the spinel nickel manganese acid lithium and layered lithium-rich manganese-based composite cathode material with the core-shell structure. According to the invention, the layered lithium-rich manganese-based is taken as the core material, and the spinel nickel manganese acid lithium is taken as the shell material; under the prerequisite that material gram capacity is kept, material structural stability is increased, material cycle, multiplying power and safety performances are improved, function composite and complementation of the core material and the shell layer material can be realized, and the problem that high capacity and high security can not be achieved simultaneously is solved. The composite cathode material has the advantages of simple process and obviously increased performance.
Owner:南京时拓能源科技有限公司

Vertical five axle interlocked gantry digital control milling machining center

The invention provides a vertical five axle interlocked gantry digital control milling machining center, comprising a planer body, a portal frame, a rotary workbench stand, an electrical appliance control cabinet, a cutter, a main spindle box, an operation panel, a rotary workbench, X, Y and Z shaft driving screws and rotary tool changers, wherein the rotary workbench is formed by a large rotary workbench and a small rotary workbench which respectively rotate around an A shaft and a B shaft; the portal frame is arranged on the planer boxy and can move back and forth via the X shaft driving screws arranged at the two sides of the planer body, a Y-Z shaft connection block moves left and right via the Y shaft driving screw in the portal frame, and a main spindle in the main spindle box moves up and down via the Z shaft driving screw on the Y-Z connection block so as to form five axle interlocking; and the rotary tool changers arranged at the two sides of the portal frame are internally provided with 32 grinding cutters and milling cutters, and tool changing is realized by a tool changing manipulator. The invention has the positive effects of realizing multiply functions of one machine, and can process as many as five interfaces by primary clamping, thus reducing clamping times, saving labor, time and space, and having convenient equipment maintenance.
Owner:SHANGHAI MUNICIPAL ELECTRIC POWER CO +1

Efficient automatic dust-removing and intelligent ventilation system and automatic dust-removing method

The invention relates to the ventilation system field, in particular to an efficient automatic dust-removing and intelligent ventilation system and an automatic dust-removing method. The system comprises an intelligent energy-saving ventilation system housing component and a fan, wherein the intelligent energy-saving ventilation system housing component comprises a dual duct, a dust-discharging duct, a throttle actuating mechanism, a dust screen, a temperature and humidity sensor and a distributed pressure sensor, wherein the temperature and humidity sensor and the distributed pressure sensor are connected with a control system, and the control system drives the throttle actuating mechanism to realize time-sharing and smooth transition of the dual duct and the dust-discharging duct. The beneficial effects of the invention are as follows: the fans of the air feeder unit can be used for several purposes such as air supply and dust removing, thus reducing the equipment cost; the self-cleaning of the filtering screen can be realized, thus prolonging the service life of the filtering screen, reducing replacement frequency and lowering maintenance cost; and by turning on/off the automatic dust-removing and intelligent ventilation system, the normal operation of the devices in an equipment room can be ensured.
Owner:SHENZHEN ZHONGXING SINDI TECH CO LTD

Mobile terminal comprehensive learning system based on massive learning resources

The invention discloses a mobile terminal comprehensive learning system based on massive learning resources. The learning system comprises a resource library system, an intelligent knowledge diagnosis system, an online tutoring system, a student management system, a teacher management system, a parent management system, a learning PK system and an infinite extension system. According to the learning system, a learning resource library and a teacher team platform need to be built first, and after logging into the learning system, students acquire various learning resources such as synchronous videos, synchronous teaching materials, synchronous auxiliary teaching materials, synchronous question banks, knowledge points and micro videos. Questions which the students encounter in the learning process can be solved in two ways; in one way, the students communicate with teachers in a one-to-one mode through online tutoring, and in the other way, the students submit the questions to the question banks of the system and wait for other students or teachers to answer the questions. The students can carry out intelligent knowledge diagnosis on knowledge they have learnt to examine the knowledge mastering condition of themselves and can also interact with other students in communities.
Owner:肖显全

Drive train for a vehicle with connectable secondary axle

ActiveUS20090277711A1Reduce additional structural costPower Loss MinimizationControl devicesDrive wheelCoupling
The invention relates to a drive train of a vehicle, comprising a permanently driven primary axle and a secondary axle connectable to the primary axle via a switch-on device with a switch-on mechanism, whereby the secondary drive train output via side shaft couplings is transferred to the drive wheels of the secondary axle.
A disadvantage to these drive trains is that also when the secondary axles are not connected their components are dragged along by the vehicle drive or by the drive wheels rolling away on the roadway, causing power losses. Complete shutdown of the secondary drive train to date is executed only by manually switchable wheel hub couplings which are however a disadvantage with respect to ease of use and practicability.
Because the switch-on mechanism and/or the side shaft couplings have frictionally engaged couplings, it can be that when the secondary axle is uncoupled the section of the secondary drive train located between the switch-on device and the side shaft couplings is uncoupled both from the primary axle and from the secondary drive wheels, such that there is no more power loss in this secondary drive train section, whereby connecting the secondary drive train during travel is possible all the same and losses in comfort and practicability do not have to be tolerated.
Owner:GETRAG DRIVELINE SYST +1

Composite dielectric grating metal-oxide-semiconductor field effect transistor (MOSFET) based dual-transistor light-sensitive detector and signal reading method thereof

The invention discloses a composite dielectric grating MOSFET based dual-transistor light-sensitive detector. Each of the unit detectors comprises two transistors, wherein the two transistors comprise a photoreceptive transistor and a reading transistor which are used for implementing the photoreceptive function and the reading function respectively, both of the two transistors are formed above a composite dielectric grating MOSFET substrate P-type semiconductor material (1) and are separated through shallow trench isolation (STI), a bottom layer of an insulating dielectric material, a top layer of the insulating dielectric material and a control grid (2) are arranged above the substrate P-type semiconductor material respectively, a photoelectron storage layer (4) is arranged between the two layers of insulating dielectric materials, a source/drain electrode is arranged on the reading transistor to read signals, and the two transistors are connected through the photoelectron storage layer, so that the reading transistor can read photoelectrons which are stored by the photoreceptive transistor in the photoelectron storage layer through sensitization.
Owner:南京威派视半导体技术有限公司
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