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202results about How to "Simplifies the wiring process" patented technology

Whole-journey independent phase green wave induction control method and system of traffic flow

The invention relates to a whole-journey independent phase green wave induction control method and a system of traffic flow, belonging to the technical field of traffic signal control. The method comprises the steps of: setting vehicle sensors and waveband signal indicator lamps along a road, setting parallel road induction stream signal indicator lamps and buffering yellow waveband signal lamps at intersections, transmitting a traffic flow signal and a green wave band control signal in a wireless manner, transmitting a traffic flow pulse signal to a computer for processing and pre-grouping the traffic flow, emitting a pre-grouping signal command, periodically turning on the waveband signal indicator lamps along the road to form a movable green wave band so as to guide the vehicles to travel and group the traffic flow, and matching the intersection signal lamps to realize whole-journey independent phase green wave induction control of the traffic flow. The system comprises a traffic flow signal collecting, traffic flow signal processing and controlling device, intersection signal lamps and control cabinets of the intersection signal lamps, the vehicle sensors and the waveband signal indicator lamps are arranged along the road, and the sensors and the indicator lamps are in wireless connection with the signal processing and controlling device. The method and the system, disclosed by the invention, have the advantages of realizing phase difference independent green wave band induction of vehicles and improving the intersection passing efficiency, etc.
Owner:KUNMING UNIV OF SCI & TECH

Main control circuit of centralized meter reading system

The invention provides a main control circuit of a centralized meter reading system. The main control circuit comprises a main chip, a power module, an SRAM (Static Random Access Memory) data storage module, a clock module, a man-machine operation interface, an SD (Secure Digital) card, an LCD (Liquid Crystal Display) liquid crystal display screen, a GPRS (General Packet Radio Service) wireless communication module, an MBUS (Meter-Bus) channel selection module, an MBUS communication module, a 485 communication module and an RS232 converter, wherein the power module is used for providing voltages. The communication modes of the main control circuit are optionally wireless and wired modes; the GPRS remote communication function is capable of providing reliable operations and high-efficiency operations for remote monitoring and operations; meanwhile, a concentrator and meters are connected in two manners of 485 and MBUS, and therefore, the main control circuit is simple and convenient in construction and good in compatibility with commercial heat meters; in addition, the MBUS communication module is matched with the MBUS channel selection module, and simultaneous working of a plurality of channels and district networking are realized by virtue of channel selection, and therefore, the market requirements are met to the utmost extent; the whole circuit is good in data acquisition effect and high in instantaneity and accuracy; besides, real-time reliable operations can be realized by use of the man-machine operation interface.
Owner:NO 513 INST THE FIFTH INST OF CHINA AEROSPACE SCI & TECH +1

Simulated direct-current power transmission control protection system

The invention relates to a simulated direct-current power transmission control protection system. The system comprises a direct-current control protection simulation basic functional module, configuration software NewLinkC, a direct-current control protection simulation program module, a direct-current control protection simulation module and a system element simulation module of a real-time digital simulator (RTDS), wherein the direct-current control protection simulation program module generates a direct-current control protection simulation program by performing function configuration on each element of the direct-current control protection simulation basic functional module on the configuration software NewLinkC; the direct-current control protection simulation program module is defined per se and encapsulated to form the direct-current control protection simulation module by self-defined element programming and encapsulation technology of the RTDS; and the direct-current control protection simulation module is interconnected with the system element simulation module of the RTDS to form an RTDS-based closed-loop AC/DC simulation system. The system realizes one-to-one device-level simulation, has the advantages of strong universality and portability, low cost, high flexibility and strong practicability, and is simply connected to an RTDS simulation platform.
Owner:XUCHANG KETOP DETECTION TECH CO LTD

Double-vision online monitoring intelligent pre-warning system of transformer substation

InactiveCN103326462ASimplifies system installation and wiringImprove reliabilityCircuit arrangementsVideo outputCorrelation curve
The invention discloses a double-vision online monitoring intelligent pre-warning system of a transformer substation and a double-vision online monitoring intelligent pre-warning method. The double-vision online monitoring intelligent pre-warning system of the transformer substation is composed of a video monitoring front-end system and a rear-end managing platform system. The double-vision online monitoring intelligent pre-warning system of the transformer substation is built in a layered mode, a classification mode and the like. A distribution type network system is used and software and hardware are designed in a modularized mode. The double-vision monitoring technology and intelligent image and temperature analyzing are adopted and multiple monitoring functions are integrated into the pre-warning system. Meanwhile, remote real-time monitoring, data report form statistics, data trend correlation curves and risk analyzing can achieved in the uniform platform and a monitoring system is included compatibly. A net line is used for solving the problem of digital real-time transmission and merging of images in the system and video outputting expansion is supported. A user can refer to a CCD image to confirm a stoppage part and also use a mouse to click any part of an infrared image to display the CCD image of the part at the same time and measure the temperature of the part. Meanwhile, setting of an instrument, automatically alarming, automatically picture recording and controlling of a cloud deck can be performed through an RJ45 net line so as to facilitate installation and construction and reduce the occurrence rate of stoppage.
Owner:CHENGDU POLYSTOR COMM TECH

Wire quick connector

The invention discloses a wire quick connector which comprises an insulation casing with wire sockets, a conductive connection body arranged in the insulation casing, and a wire connecting / disconnecting switch enabling the conductive connection body and wires to realize wire connection and wire disconnection, wherein the wire connecting / disconnecting switch is hinged to the casing; one end of the wire connecting / disconnecting switch is taken as a handle end, and the other end of the wire connecting / disconnecting switch is taken as a pressing end; during wire connection, the wire connecting / disconnecting switch is lifted firstly, as the wire connecting / disconnecting switch has the function of self-locking, when soft or hard wires are inserted into the insulation casing from the wire sockets, along with the gradual insertion of the wires, metal exposed ends of the wires are inserted into and tightly clamped by the conductive connection body, and the wire connecting / disconnecting switch is reset through being pulled down, so that the wires and the conductive connection body form fixed connection, and a wire connection step is completed; and during wire disconnection, what needs to do is to lift the handle end of the wire connecting / disconnecting switch, and then the pressing end of the wire connecting / disconnecting switch presses the conductive connection body to enable the conductive connection body not to clamp the exposed ends of the wires tightly, so as to realize wire disconnection. Wire connection and wire disconnection of the wires are operated at one step, which are simple and quick.
Owner:JIANGMEN KREALUX ELECTRICAL APPLIANCES

Oil pumping well data acquisition control system and method based on wireless network

The invention relates to an oil pumping well data acquisition control system based on a wireless network. The oil pumping well data acquisition control system comprises a configuration computer, an industrial Ethernet, a WIA wireless gateway, well head control units, and a data acquiring terminal. The configuration computer is connected with the WIA wireless gateway through the industrial Ethernet. The well head control units are arranged on oil pumping well heads and wirelessly communicates with the data acquiring terminal and the WIA wireless gateway. An oil pumping well data acquisition control method comprises: meters transmit regularly-acquired oil pumping well data to a well head control unit in the same oil pumping well where the meters are located, wherein the well head control unit transmits the oil pumping well data to the WIA wireless gateway in real time; the configuration computer receives, through the industrial Ethernet, network state information and real-time data of each oil pumping unit transmitted from the WIA wireless gateway. The well head control units RTU are all provided with wireless routing functions and achieve data communication by means of a multi-hop network when a barrier blocks a wireless signal or the wireless signal is not very well, thereby guaranteeing data reliability.
Owner:SHENYANG ZHONGKE AOWEI SCI & TECH CO LTD
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