432 results about "Supply & distribution" patented technology

The invention discloses an optimization method of a network variable structure with a distributed type power supply distribution system. The optimization method includes that basic static data of electric power network structure parameters, distributed type power supply distribution, load capacity, faulty lines and the like are extracted, under the condition of present line fault, the basic static data are utilized to perform islanding scheme calculation and correction, survivability indexes constructed by the method are combined to perform an online evaluation for islanding network safe operation performances and implement immediate control measures, finally, on account of residual network structure data after final islanding electric power network division is performed, by means of an ant colony algorithm, a reconfiguration optimal computation is performed for residual network with minimum network loss as a target, and finally the electric power network structure with high safe operation level is obtained. On the basis of the developed algorism and function modules, the invention further provides a large-scale power distribution network intelligent optimization decision system based on multi-stage computation correction and survivability evaluation, according to the technical scheme, the division and reconstruction of the network with the generalized model distributed type power supply distribution system are achieved, and accurate reference of network structure adjustment, schedule and operation can be excellently provided for regional electric power network schedule staffs.

A method of converting a direct voltage generated by a decentralized power supply system into three-phase alternating voltage by means of a plurality of single-phase inverters (WR1-WR3), said alternating voltage being provided for supplying an electric mains, is intended to avoid inadmissible load unbalances using single-phase inverters. This is achieved in that, upon failure of one inverter (WR1-WR3), an asymmetrical power supply distribution is reduced by limiting the output of the other inverters. The method makes it possible to simplify three-phase voltage monitoring.

A system and method for automated handling, transferring and storing conventional cargo storage containers on a cargo ship wherein the containers are stored in a multi-tier cell system and are manipulated by powered transfer units which are selectively moveable along an intersecting overhead track system such that containers may be simultaneously retrieved from, moved or placed within any of the cells of the ship. The transfer units are equipped both with hoists, which control spreader beams which are selectively secured to the cargo containers, and guide stabilizers, which prevent undesirable movement of the cargo containers when they are elevated above the cell structures such that the containers may be manipulated even during rough sea conditions such that the system is essentially continuously operable as a floating supply distribution system.

A method of converting a direct voltage generated by a decentralized power supply system into three-phase alternating voltage by means of a plurality of single-phase inverters (WR1-WR3), said alternating voltage being provided for supplying an electric mains, is intended to avoid inadmissible load unbalances using single-phase inverters. This is achieved in that, upon failure of one inverter (WR1-WR3), an asymmetrical power supply distribution is reduced by limiting the output of the other inverters. The method makes it possible to simplify three-phase voltage monitoring.

The invention relates to a power supply system, and particularly relates to a performance lamplight power supply system applicable to special light utilization fields such as a movie, a theatre a stage. The performance lamplight power supply system comprises a power supply distribution system and a plurality of area power distribution boxes; the power supply distribution system is used for receiving an external power supply and distributing the external power supply to the area power distribution boxes; each area power distribution box is used for supplying power supply to electric equipment in a pre-set power supply area; each area power distribution box is connected with a socket module group or a plurality of socket module groups; each socket module group comprises one or more than one socket module; and the area power distribution box is connected with the socket modules through a multi-core cable for transmitting three-phase alternating-current power, and the socket modules are connected through the multi-core cable for transmitting the three-phase alternating-current power. The limitation of the traditional thought is broken by using the system. An engineer can rapidly adjust the quantity, power and position of lamplight adjusting equipment according to actual demands by means of supplying power through diffused area power and placing diming control to a lamp position terminal, so that the design of the lamplight system and the installation sensitivity can be greatly improved, and the engineering cost and the installation difficulty can be reduced.

The various aspects of the invention include embodiments of an integrated consumer or household product dispensing system which include one or more releasable product containers which are preferably disposable, and which include state-sensitive elements in communication with a processor, and which provide for the enhancement of the convenience, safety and efficiency of product use and re-supply. Certain embodiments of the dispensing system can automatically and / or semi-automatically manage a users inventory of one or more products and determine when re-supply is needed. Further embodiments of the dispensing system can automatically and / or semi-automatically place re-supply transactions with E-commerce suppliers and / or carry out related transactions with shippers and financial institutions, so as to provide for convenient product container re-supply. Further exemplary embodiments including a personal dental care dispenser system are described.

The present invention relates to a coffee machine, whose dispensing unit has a heat generator which is independent of the boiler of the machine, valves for opening and cutting off the cold water pipe and hot water pipe which supply the dispensing unit, a temperature sensor which is arranged in the dispensing unit and control means which are connected to the valves, the temperature sensor and the heat generator in order to allow the preparation of different types of coffee, even in succession. The present invention also relates to a method for making coffee.

The invention provides a relief supplies reserve management and distribution system based on an Internet of Things technology. The relief supplies reserve management and distribution system comprises a vehicle positioning management subsystem, wherein the vehicle positioning management subsystem is used for tracking and positioning a vehicle proceeding position, collecting the vehicle positioning data of the vehicle, the article information of cargoes and surveillance video information and sending the vehicle positioning data of the vehicle, the article information of cargoes and the surveillance video information to a monitoring center, and the vehicle positioning data of the vehicle, the article information of cargoes and surveillance video information are stored and processed by the monitoring center. The vehicle positioning management subsystem comprises a vehicle-mounted terminal, an RFID (Radio Frequency Identification) module, a visual supervision module and a warehouse management subsystem, wherein the warehouse management subsystem is communicated with the RFID module and is used for managing the receiving, the delivery, the ordering, the checking and the operation of the cargoes according to the article information read by an RFID information reading unit. Relief working efficiency and quality can be improved, relief supplies distribution is especially monitored and managed, and blindness and disorder in a traditional emergency relief process are avoided so as to ensure that emergency relief and security work can be successfully carried out.

It is an object of the present invention to provide a semiconductor device design method and program that can rapidly improve power supply noise characteristics and reduce the noise sufficiently without being restricted in design and noise solution. A step of performing frequency analysis on a power supply distribution network model creates a power supply distribution network model based on electric characteristics obtained in accordance with specifications (maximum allowable drop value of power supply voltage, power supply current value, operating frequency, etc.) of the semiconductor device and performs frequency analysis on this power supply distribution network model. A step of performing frequency analysis based on an operating current waveform analyzes power supply current characteristics based on an operating current waveform obtained in accordance with the specification. A step of calculating power supply noise calculates the power supply noise in accordance with analysis results of the step of performing frequency analysis on the power supply distribution network model and the step of performing frequency analysis based on the operating current waveform. It is thus possible to estimate the power supply noise before designing a circuit of the semiconductor device.

The invention discloses a power supply distribution network based on a local electromagnetic band gap structure. The electromagnetic band gap structure is locally etched on a power supply plane, and a ground plane is kept intact. Basic units of the electromagnetic band gap structure are formed by complementary split ring resonators, and the adjacent basic units of the electromagnetic band gap structure are connected by a Z-shaped bridge. The problems that the inhibiting degree of synchronous switching on and off noise in a hybrid circuit system is not high enough and the inhibiting frequency band is not wide enough are effectively solved, and the problem that the destructiveness of the traditional global electromagnetic band gap structure to the power supply plane is large can be solved. The power supply distribution network disclosed by the invention has excellent power supply integrity, and the influence of electromagnetic interference can be lowered.

A system and method for distributing a supply to plurality of machinery or appliances. The supply may be any of oil, gas, electrical power, water, heated and cooled air, etc. the plurality of appliances can include any of gas and oil powered devices, electrical devices, rooms having HVAC ductwork, etc. The distribution of the operating supply is provided by prioritizing the appliances with a predetermined priority. The appliances are connected in a series connection in order of priority. When any appliance is determined to be in an “ON” state of operation subsequently connected appliances are prevented from operating. Alternatively, when more than one appliance is able to operate simultaneously using the operating supply, the appliances may be divided into a plurality of groups. The plurality of groups include a group for each possible combination of appliances and each group is prioritized. Operating supply is provided to the group having the highest priority with all appliances in the group being determined to be in an “ON” state of operation.

The invention belongs to the field of medical rehabilitation equipment, and discloses an under-actuated upper limb rehabilitation robot control system. The system comprises a microcomputer and a power-supply distribution module, a data collection module and a motion control module which are connected with the microcomputer; the data collection module comprises an eye tracker, an image collection card, a joint torque sensor, a six-dimensional force sensor, a holding power sensor, a displacement sensor, myoelectric electrodes, a tension sensor and a data collection card, and the motion control module comprises a motion control card, a limiting switch, an emergency stop switch, a servo motor, an electromagnetic clutch and a joint encoder. The system adopts an under-actuated structure, the number of actuators is reduced, the actuators are arranged at the back, an actuating mechanism of the whole rehabilitation robot is light and flexible, and complicated action can be completed.

The invention provides a transmission line fault handling method and device. The transmission line fault handling method includes: receiving transmission line fault distance measurement information sent by a traveling wave ranging system through a special web service interface; generating fault point coordinates by using tower coordinates of a transmission line and the transmission line fault distance measurement information; acquiring rescue team and material warehouse information closest to the fault point coordinates in real time and generating emergency personnel and supply distribution images; determining driving circuits according to the fault point coordinates and the emergency personnel and supply distribution images. Fault points and nearby rescue teams and material warehouse can be rapidly and efficiently positioned on a map, the best driving circuits can be analyzed, and fault rescue dispatching work can be rapidly started.

The aircraft emergency oxygen supply system includes one or more sources of supplemental breathable oxygen, one or more inlet valves for one or more breathing devices, connected to the inlet valves, and one or more cabin air pressure transducers. A pressure controller controls the inlet valves in response to the one or more cabin air pressure transducers. One or more second pressure transducers may connected to conduits downstream of inlet valves to be monitored, and the pressure controller may also control operation of the inlet valves in response to the one or more second pressure transducers.

An appliance supply distribution and dispensing system and method for distributing appliance supplies to a home or business and which involves a computerized system which facilitates dispensing or using one or more supplies from an appliance. The computerized system monitors the supply level(s) and, when necessary, automatically orders and delivers additional supplies. In addition, the computerized system automatically detects dispensing, use or appliance problems and orders and arranges for repair service.

The invention discloses a method for selecting a decoupling condenser based on a particle swarm algorithm, mainly aiming at solving the problem that the method in prior art takes a long time for selecting and has low automaticity. The method comprises the steps of: (1) setting basic parameters; (2) randomly generating a decoupling condenser matrix selected by particles; (3) judging whether the network impedance of the power-supply distribution is less than the target impedance after adding the decoupling condenser selected by particles, if so executing step (4), and otherwise, shifting to step (6); (4) updating a particle individual optimum solution matrix; (5) updating a population optimum solution matrix; (6) updating the decoupling condenser matrix selected by particles; and (7) judging whether iteration is finished, if so, extracting the population optimum solution matrix to obtain the selected decoupling condenser, and otherwise, shifting to the step (3). The method provided by the invention has the advantages of shortening simulation time, being visual in selecting result, improving the automaticity of selecting a decoupling condenser and being used for high-speed circuit design.

The invention discloses an impedance simulation method for a chip capacitor in a power-supply distribution network. The problem that the capacitor impedance is unknown and accordingly the usage is influenced is mainly solved. The impedance simulation method comprises the steps of 1 manufacturing a capacitor clamp and a calibration part; 2 using a general standard part and an electrical characteristic file of the general standard part to calibrate a vector network analyzer, measuring the electrical characteristics of the manufactured standard part and saving the electrical characteristic file; 3 using the manufactured standard part and the electrical characteristic file to calibrate a vector network analyzer and measuring a scattering parameter of the capacitor; 4 converting a reverse transmission coefficient obtained through measurement into a total impedance parameter and removing installation inductive impedance to obtain the capacitor impedance; 5 adopting a vector fitting method to performing fitting on the capacitor impedance so as to obtain a high-order expression; 6 calculating the high-order expression to obtain impedance and obtaining the impedance of the capacitor with no tag parameters. The impedance simulation method achieves accurate capacitor impedance simulation, is simple and quick and can be used for obtaining an impedance parameter of the capacitor.

The invention discloses an electric car driving system with a hydraulic pump system, an electric car and a control method. The driving system comprises a power battery, a power supply distribution unit, a motor controller, a driving motor, an automatic gear box, an electric generator controller, a range extender system and the hydraulic pump system, wherein the range extender system is composed ofan engine, an automatic clutch and an electric generator. According to the embodiment, in the electric car driving system with the hydraulic pump system, the driving motor and an ATM system are adopted, the range extender system provides power for the whole car, and produces power output so as to provide required power for the hydraulic pump system. Due to the arrangement of the automatic clutch,control modes of the hydraulic pump system is added, the control modes comprise the pure dynamic drive mode, the parallel drive mode, the engine driven mode, the generator drive mode and the like, the system control flexibility is improved, and the economic performance of the electric car is improved.

An embodiment is a method and apparatus to provide de-ionization. First and second conductive porous membranes are placed between a feed channel having a feed flow and first and second concentration channels having first and second concentration flows to separate the feed channel from the concentration channels. Cathode and anode electrodes are placed on external sides of the concentration channels. A voltage supply distribution network provides independent voltages across the channels to cause movement of ions in the feed and concentration flows toward the electrodes.

A method is provided for reducing the effects of power supply distribution related noise in an integrated circuit, the integrated circuit having a power supply bus, a ground bus, a DRAM-technology capacitor, and a load circuit. The method includes forming the DRAM-technology capacitor adjacent the load circuit, and connecting the DRAM-technology capacitor directly between the supply voltage bus and the ground voltage bus.

The invention provides a vehicle safe starting system which comprises an intelligent card, a base station unit, a low-frequency antenna, a vehicle starting device, a power-supply distribution module, an anti-theft controller, a vehicle body control module, a steering wheel electronic steering lock and an engine control unit. The vehicle safe starting system is characterized in that a shell of thevehicle starting device is internally provided with a coil-wound internal shell, an anti-theft coil is wound on the coil-wound internal shell, the coil-wound internal shell is internally provided with a driving device, the upper end of the driving device is provided with a switch key, the outer periphery of the switch key is provided with a decorating ring, the lower end of the driving device is provided with a silica gel pad, the lower side of the silica gel pad is further provided with a circuit board, and the circuit board is arranged on a base connector clip connected with the shell. The invention adopts a CAN (controller area network) bus technology, so that the instantaneity and the high efficiency of the system can be greatly improved, and the safety of the whole system can be greatly improved due to a LIN (linear) bus and an anti-theft encryption technology. The invention further has the characteristics of being simple and reasonable in structure, low in cost, convenient to use, high in safety performance and the like.

The invention discloses a high voltage distribution box for an electric vehicle. The high voltage distribution box comprises a box body, a box cover, and a foam sealing rope embedded in the box cover. A sealed structure is formed by the body, the box cover, and the foam sealing rope. The external part of the box body is provided with a plurality of wire connection ports. The internal part of the box body is provided with a high voltage distribution module which comprises a control unit, a pre-charging unit and a power supply distribution unit. The control unit comprises a main relay. The pre-charging unit comprises a pre-charging relay and a pre-charging resistor. The power supply distribution unit comprises a confluence switchover piece, a trunk short circuit protector and a branch short circuit protector. According to the electric automobile high voltage distribution box, the degree of integration is high, the size of a high voltage power distribution box is reduced, while the high voltage large current energy transmission control is realized, the function of the short circuit protection for a main circuit in overloading is achieved, the reliability and safety of an electrical vehicle high voltage electrical control system are effectively raised, the high voltage distribution box has good waterproof and dustproof effects, the assembly is reasonable, the power distribution is reasonable, and the power supply loss can be reduced.

The invention discloses a space intelligent bus interface system and a space intelligent network system using the same, and relates to an interface system and a network system. The problems that a traditional Space Wire bus interface does not provide a space equipment standard power supply, is low in synchronization precision, cannot synchronously work when a network or communication is interrupted, and does not have self-description, self-organization, dynamic adaptive reconfiguration, self-cognition and self-diagnosis functions are solved. The interface system comprises a Space Wire bus interface, a power supply interface, a synchronous pulse interface and a bus interface controller; the network system comprises n space intelligent interface systems; the Space Wire bus interfaces of all the space intelligent interface systems are connected in parallel; and another network system comprises a main space intelligent interface system, n slave space intelligent interface systems, a power supply distribution module, a Space Wire bus router and a synchronous distribution module. The disadvantages of the prior art are overcome by the space intelligent bus interface system and the space intelligent network system; and the space intelligent bus interface system and the space intelligent network system are suitable for being used in the fields of various space vehicle integrated electronic interface systems and network systems.

The invention relates to an electromagnetic and thermal stress complex environmental sensitivity testing method for a microprocessor. An RF interference signal source (1), a power amplifier (2), a coupling capacitor (3), a power supply distribution network (4), a tested microprocessor (5), a PCB (6), a thermostatic heating tank (7), a DC power supply (8) and an oscilloscope (9) are included. The method also provides a capacity coupling injection interference based method for testing the electromagnetic and thermal stress complex environmental sensitivity of a microprocessor. The system is easy to build, low in cost and quick and convenient in testing, and solves the problem that the testing of the electromagnetic and thermal stress complex sensitivity of the microprocessor is difficult; meanwhile, the testing method is simple, the operating process is definite, the electromagnetic sensitivity of the microprocessor at different work environment temperatures can be accurately tested within the whole frequency band ranging from 150 KHz to 1 GHz, and sample testing can be carried out at an appointed operating temperature or a certain frequency point.

The invention discloses a monitoring system for distributed power supply connection and a power distribution network integration protection method. The monitoring system comprises a distributed power supply monitoring module, a grid-connection monitoring module, a regulating and controlling module and an advanced application module; the power distribution network integration protection method comprises the following steps: (1), calculating a power distribution network current protection constant value when the distributed power supply connection is counted and calculating a power distribution network current protection constant value when the distributed power supply connection is not counted separately; and (2), loading the two sets of the power distribution network current protection constant values obtained in the step (1) into the grid-connection monitoring module, and judging whether the two sets of the constant values stratify a detection limited condition or not. The monitoring on the distributed power supply in connection to the existing power grid can be rapidly and conveniently realized, so that the distributed power supply distribution information integration can be realized to eliminate information isolated island and to realize the intelligentized integration and the sharing of the distributed power supply applications; and in addition, in the overall adjustment for the power distribution network current protection by the power distribution network integration protection method, the influences on the power distribution network current fault characteristics after the distributed photovoltaic power supplies of different capacities are connected are taken into considerations.