431 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.

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.

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 automatic external-wall cleaning machine is characterized by comprising a machine frame, a washing unit and a dry-cleaning unit; wherein both the washing unit and the dry-cleaning unit are arranged in the machine frame; acting surfaces of the washing unit and the dry-cleaning unit are located on the same side of the machine frame; the dry-cleaning unit is arranged above the washing unit; the machine frame is of a box body; a sling is connected on the top ends of upright posts of opposite corners of the box body; the other end of the sling is connected on a crane which is arranged on a top floor of a building; the washing unit comprises a cleaning brush, a cleaning-solution spraying device and a clear water spraying device; the dry-cleaning unit comprises a dry-cleaning brush and a water scrap; a control unit is further arranged on the machine frame, is arranged on the uppermost end of the machine frame, and comprises a total power-supply distribution cabinet and a wireless control cabinet; and a guiding roller is arranged on the side of the machine frame opposite to a cleaned surface.

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 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.

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 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.