65results about How to "Achieve continuous power supply" patented technology

The invention discloses a distributed generation-based grid connection transition operation mode coordination comprehensive protection method. When the DG capacity is continuously increased, the short-circuit current level is improved, the DG is changed from a "pure load" into a "small power supply", and a problem that conventional protection and switching breakpoints cannot meet the transition condition is solved. Based on the conventional protection and the switching breakpoints, the scheme provided by the invention performs continuous matching with a primary operation model and is continuously optimized, and the information and the state quantity are continuously exchanged to form a protection control interface adapted to a primary system, so that dual purposes of safe operation of a system and continuous power supplying are achieved. The fault isolation range is determined by collecting a new boundary which is determined by the switching breakpoints, and that whether the system sectionalizing and the island operation mode generated as a boundary point is determined is stable or not is comprehensively considered.

The invention discloses an energy complementation self power supply system, which comprises a solar energy power generation device, a wind energy power generation device, a methanol-water reforming hydrogen production power generation module, an AC DC power conversion device, an electrolytic hydrogen production device, a first methanol synthesis device, a methanol-water storage and conveying device and a load, wherein the solar energy power generation device and the wind energy power generation device provide power for the load and the electrolytic hydrogen production device; the electrolytic hydrogen production device is used for electrolyzing water for hydrogen production, the produced hydrogen is fed to the first methanol synthesis device for synthesizing methanol, in the condition of not sufficient solar energy and wind energy, the synthesized methanol is conveyed to the methanol-water reforming hydrogen production power generation module for hydrogen production and power generation, and power is provided for the load; and the methanol-water reforming hydrogen production power generation module comprises a reformer and a fuel cell, methanol and water are subjected to a reforming hydrogen production reaction in the reformer, the produced hydrogen is fed to the fuel cell, and in the fuel cell, the hydrogen and oxygen in the air are subjected to an electrochemical reaction, and power output is generated. Multiple energies generate power in a complementary mode, power supply continuity is good, and control is easy.

The invention relates to the field of electronics and discloses a self-charging cloth and a method for power generation by use of the self-charging cloth. The self-charging cloth comprises a frictional generator portion and a capacitor portion which are braided together, wherein the frictional generator portion is used for converting mechanical energy in a human body motion process into electric energy and outputting electric signals; and the capacitor portion is used for storing the electric signals output by the frictional generator portion. By use of the self-charging cloth and the method, the mechanical energy of human body motion can be converted into the electric energy by use of a flexible wearable cloth material and the electric energy is stored such that continuous power supply to a wearable electronic device is realized.

The invention discloses an aircraft DC power supply system and a power supply method. The system comprises: at least two generators and correspondingly connected motor controllers for generating and outputting DC power to corresponding primary power bus bars; at least two primary power bus bars respectively connected to the at least two generators through controllable switches, wherein the two adjacent primary power bus bars are connected to each other; an external DC power source connected to the primary power bus bars through the controllable switches for supplying power to the primary powerbus bars in the engine starting state; DC power conversion devices, wherein the input ends are connected with the primary power bus bars, and the output ends are connected with key load bus bars forconverting the DC power on the primary power bus bars and outputting to the key load bus bars; and the key load bus bars for supplying power to corresponding key loads. The power density of the systemis improved and the continuous power supply of the power supply system when single or multiple generators are faulty is achieved.

The invention discloses a same-direction conversion device and an ocean power generation system adopting the same-direction conversion device. The same-direction conversion device comprises a first energy conversion wheel, two unidirectional driving gears capable of achieving reverse drive, and a power wheel, wherein due to the association function in which the first unidirectional driving gear and the second unidirectional driving gear of which the driving direction is opposite to that of the first unidirectional driving gear cooperate with rotating wheels at the same time, the power wheel rotates in one direction no matter whether the first energy conversion wheel rotates anticlockwise or clockwise, and mechanical motion in different directions is converted into mechanical motion in onedirection. The same-direction conversion device is applied to the ocean power generation system, the system is equipped with energy transfer devices, main brackets and a power generation device, the energy transfer devices can convert wave energy into mechanical energy and drive the same-direction conversion device to operate, and the power wheel of the same-direction conversion device is connected with the power generation device and drives a generator to operate. According to the ocean power generation system, continuous power supply of the generator can be achieved, and power generation efficiency is improved.

The invention relates to a wind-solar hybrid wave power station, comprising a pillar and a floating body, the pillar is fixed on the seabed, the floating body is provided with a pillar hole, and a pillar is sleeved in each pillar hole, the floating body is movably connected with the pillar and can reciprocate up and down relative to the pillar; A linear generator is arranged between the floating body and the pillar, the mover of the generator is arranged on the floating body, and the stator is arranged on the pillar. The wave power station consists of a number of independent floating bodies and pillars. There is a linear generator between each pillar and the floating body. All generators are connected by wires to form a power supply network; Battery. The present invention arranges a number of floating bodies and pillars equipped with generators in the forward direction of the waves, connects them through wires to form a power supply network, continuously collects the energy of wave fluctuations in a large range, and gathers the electricity generated by each generator through the power supply network. To realize continuous power supply, the invention has a simple structure and is relatively convenient for installation and maintenance.

The invention provides a heart nano generating system. The system is characterized by comprising a generating body, an output part, a fixing part and a packaging layer, wherein the generating body is of a multi-layer film structure, comprising a piezoelectric material layer in the center of the generating body, an electrode layers positioned at two sides of the piezoelectric material layer; the generating body is attached on the surface of heart to acquire heart energy so as to generate electricity energy; the fixing part is positioned at the side edge of the generating body and used for fixing the generating body to epicardium; the packing layer covers the surfaces of the generating body, the output part and the fixing part; the output part is connected with the electrode layer and used for conveying the electricity energy produced by the generating body to an implantable electronic device. According to the system, the electricity energy can be continuously produced as heart beats, so that the power can be continuously supplied to the implantable electronic device, a battery used as a power supply can be saved, and as a result, the problem of replacing the battery for operation after the power of the battery runs out can be solved.

The invention discloses a system for monitoring environment of cable trenches of a transformer station. The system mainly comprises a monitoring management server, a local server, a 4G router, a plurality of gateways, and smart covers. The monitoring management server is connected to the 4G router via a 4G network. The local server is connected wiredly to the 4G router. Each smart cover is connected to a gateway via a ZigBee network. Each gateway is connected to the 4G router via the wireless network. The smart covers collect all environmental information of the cable trenches and upload it tothe local server and the monitoring management server through the 4G router. The system for monitoring environment of cable trenches of the transformer station realizes real-time collection and display of environmental data in the cable trenches by using the smart covers and constructs the monitoring management server, the local server, and the smart covers into a complete cable trenches environment monitoring platform by using the wireless ZigBee technology, a WiFi technology, and a sensor technology, so that can monitor the operating environment of the cable trenches in real-time.

The invention provides a control device and system of a circuit breaker, and relates to the technical field of circuit breaker control. The control device and system can be used for achieving effective control on the circuit breaker and can also be used for achieving continuous power supply and improving the reliability. The control device comprises a master controller, a communication module, a breaking-closing capacitor bank and a power supply, wherein the communication module, the breaking-closing capacitor bank and the power supply are connected with the master controller, the breaking-closing capacitor bank is connected with the power supply, the power supply comprises a main power supply and an auxiliary power supply, a first conversion switch is arranged between the main power supply and the auxiliary power supply and is used for switching between the main power supply and the auxiliary power supply, and the auxiliary power supply comprises a storage battery pack.

The invention relates to a timing notepaper seat with function of alarm clock. The existing notepaper seat has single function. The timing notepaper seat comprises a slide bar, a notepaper clamp, a support and a USB plug. The slide bar is cambered and strip-shaped, the lateral surface thereof is provided with 24 LED lamps, the distance between two adjacent LED lamps represents half an hour, and the positions of 12 LED lamps corresponding to the time points of whole hour are marked with 12 time scales. The inner cambered surface of the slide bar is provided with a slide groove internally provided with a conducting piece, and the position corresponding to the time scale is provided with an elastic contact piece. The notepaper clamp comprises a clamp and a metal plug pin which are fixedly connected; the metal plug pin is inserted into the slide groove and capable of sliding along the slide groove; and 12 alarm clock switches are formed by the metal plug pins, the pairs of elastic contact pieces and the conducting pieces. The support is internally provided with a control device. A single-chip is used for controlling the on-off of LED lamps, an LED lamp is turned on per half an hour so as to implement the time display function, and the timing function is implemented by using the 12 alarm clock switches, thereby extending the function of the notepaper seat.

The invention discloses a ratchet wheel-bevel gear transmission knee joint negative work capturing lower limb exoskeleton. The exoskeleton comprises a thigh supporting plate, a shank supporting rod, a gear train carrying platform and a knee joint gear mechanism, one end of the gear train carrying platform is fixedly connected with the thigh supporting plate, and the other end of the gear train carrying platform is rotationally connected with the knee joint gear mechanism through a first axial rotating piece; and the end, away from the connected gear train carrying platform, of the knee joint gear mechanism is connected with the shank supporting rod, a coil spring is further arranged on the first axial rotating piece, the inner end point of the coil spring is fixedly connected to the first axial rotating piece, and the outer end point of the coil spring is used for being fixedly connected with the gear train carrying platform so that the coil spring can be compressed during knee stretching movement, and resetting is realized during knee bending movement. According to the scheme, negative work in the knee joint stretching process can be effectively absorbed, then impact of the negative work on a knee joint is relieved, and the knee joint is effectively protected.

The invention discloses a wireless data acquisition device which is applied to a steel rail milling cutter. The wireless data acquisition device comprises a data acquisition module and a wireless transmission module, wherein the data acquisition module is arranged on the steel rail milling cutter, and comprises a sensor, a battery and a wireless charging receiver; the sensor is used for acquiringvibration data; the battery is used for supplying power; the wireless charging receiver is used for receiving electric energy to supply power to the battery; the wireless transmission module is adjacent to the data acquisition module, and comprises a wireless data receiver and a wireless charging sender; the wireless data receiver is used for receiving the vibration data; and the wireless chargingsender is connected to an external power supply for sending the electric energy to the wireless charging receiver. Steel rail milling cutter equipment is used for milling a steel rail, and comprisesthe steel rail milling cutter, a control system and the wireless data acquisition device, and the wireless data acquisition device acquires and transmits the vibration data of the steel rail milling cutter to the control system to judge the state of the steel rail milling cutter.

The invention discloses a solar photovoltaic traffic ground indication luminous system. The solar photovoltaic traffic ground indication luminous system comprises a luminous module and photovoltaic power storage modules, wherein the luminous module and the photovoltaic power storage module are both connected into a whole by wires and a power supply and control combination module; the luminous module comprises a bearing frame; a plurality of luminophers are horizontally putted inside the bearing frame; a euphotic cover plate is arranged at the top of the bearing frame; the photovoltaic power storage modules are arranged around the luminous module in a surrounding manner; an electric plate bearing framework is arranged at the bottoms of the photovoltaic power storage modules; a polyvinyl fluoride composite film, a first EVA (Ethylene Vinyl Acetate) adhesive film, a solar battery series plate, a second EVA adhesive film and an antiskid protecting plate are sequentially arranged in the electric plate bearing framework from the bottom end. According to the solar photovoltaic traffic ground indication luminous system disclosed by the invention, due to the adoption of the design, a luminous device and a photovoltaic acquisition and electric storage device are both paved on the ground, solar energy is effectively utilized, traffic lights are extended to the ground and can be favorablyused by pedestrian and vehicles, and further the defects that existing traffic indication lights are poor in indication effect and are affected by weather are eliminated.

The invention discloses a calcium hydroxide thermochemical energy storage system and an application method thereof. The calcium hydroxide thermochemical energy storage system comprises a tower type solar heat collection device, a rotary ball milling energy storage device and a steam Rankine power generation device. The tower type solar heat collection device comprises a working medium fluid pump and a tower type solar heat collector; the rotary ball milling energy storage device comprises a CaO storage tank, a Ca (OH) 2 storage tank and a rotary ball milling reactor; the steam Rankine power generation device comprises a steam Rankine turbine, a steam power generation condenser, a steam power generation water pump, a steam power generation gate valve, a first steam power generation heat exchanger and a second steam power generation heat exchanger which are sequentially connected through a circulating pipeline; the steam Rankine power generation device further comprises a water treater; and the system further comprises a standby heat source device. The thermochemical energy storage system adopts Ca (OH) 2/CaO, energy storage is carried out through mutual conversion between heat energy and chemical energy, three heat sources are flexibly distributed and adjusted, and a solar thermal power station can continuously and efficiently operate.

The invention relates to a micro automatic meteorological station, and belongs to the technical field of the meteorological station, especially the technical field of the wind measurement. A micro meteorological station is composed of a single chip microcomputer, a solar panel, a wind-driven generator, a wind measurement electric heating piece, a temperature-humidity sensor, a pm2.5 detector, a solar radiation tester, a wireless communication device, an upright and an accumulator; a power supply system of the meteorological station is composed of the solar panel, the wind-driven generator andthe accumulator; the wind measurement electric heating piece measures wind speed and direction by utilizing a heat dissipation principle; the temperature and humidity sensor is responsible for monitoring the air temperature humidity; the pm2.5 detector is responsible for monitoring the air quality; the solar radiation tester detects the sunlight radiation strength; the wireless communication device is responsible for transmitting various meteorological parameters to a background; and the upright solves the problem of supporting the meteorological monitoring instrument. All monitoring instruments of the meteorological station are arranged on the upright, the monitoring instruments can be flexibly mounted according to actual demand, the erection and transportation are convenient, and the micro automatic meteorological station is superior to the traditional meteorological station.

The invention discloses a high voltage induction power obtaining device. The high voltage induction power obtaining device comprises a CT power obtaining coil, a rectification filtering circuit, a voltage stabilization circuit, an inverter, an isolating transformer and energy storage battery packs, wherein the CT power obtaining coil is arranged on a high voltage power transmission line in a sleeving manner; a secondary winding of the CT power obtaining coil is connected with the input end of the rectification filtering circuit; the output end of the rectification filtering circuit is connected with the input end of the voltage stabilization circuit; the output end of the voltage stabilization circuit is connected with the input end of the inverter; the output end of the inverter is connected with a primary coil of the isolating transformer; a secondary coil of the isolating transformer is connected with the input end of a rectifying circuit of the energy storage battery packs; a thirdalternating current is rectified into a third direct current by the rectifying circuit, and the third direct current is used for charging a first battery pack or a second battery pack in the energy storage battery packs; and the first battery pack and the second battery pack supply power for loads on the ground alternatively. The high voltage induction power obtaining device can uninterruptedly supply power for electrical equipment installed on the ground.

The invention discloses a multimedia information cabinet capable of continuously supplying power. The multimedia information cabinet capable of continuously supplying power comprises a box body, a protective door hinged to the box body and used for sealing, and a heat dissipation component. The heat dissipation component comprises sliding plates and a mounting cavity, the two sliding plates are arranged in parallel and are fixedly connected to the rear side wall of the box body, the mounting cavity is slidably connected between the two sliding plates, the heat dissipation component has a heat dissipation function on electronic components in the box body, the driving part comprises two vertical plates, and the two vertical plates are fixedly connected to the two opposite inner side walls of the box body correspondingly. Through rotating of a rotating shaft and winding of a rope, the mounting cavity is pulled to move upwards to one side of the second movable plate and the first fixed plate, so that the overheated electric appliance on the second movable plate and the first fixed plate is subjected to emphasized heat dissipation.

The invention discloses a power supply device for an integrated indigenous probiotic propagation system. The integrated indigenous probiotic expanding propagation system comprises an expanding propagation container used for containing an expanding propagation solution, a heating device and an aeration device which are arranged on the expanding propagation container, and the power supply device atleast comprises a folding solar power generation device installed at the top of the expanding propagation container. According to the invention, continuous power supply to electric components such asthe heating device and the aeration device in the integrated indigenous probiotic propagation system can be realized, and autonomous power supply is met.

The invention relates to a double-path automatic switching cabinet power supply distribution unit. The double-path automatic switching cabinet power supply distribution unit comprises a rear shell anda panel, wherein the rear shell is provided with an A-path power incoming line and a B-path power incoming line, and a power output socket and a lamplight indicating board are arranged on the panel;a circuit board, a J1 alternating-current contactor and a J2 alternating-current contactor are further arranged in the rear shell; the circuit board comprises a J3 indicating control relay, a J4 switching control relay, an A-path power supply sampling module, a B-path power supply sampling module, an output power supply sampling module, a level inverter IC and a J5 relay. By means of the double-path automatic switching cabinet power supply distribution unit, continuous power supply of the industrial cabinet power supply distribution unit is achieved, double-power-supply switching circuits andcontrol devices which are usually complex and high in cost are saved, the flexibility and reliability of double-path power supply switching control and output are improved, and the power supply powerconsumption of a double-power-supply switching control circuit can be greatly reduced.