1620results about How to "Stable power supply" patented technology

The invention provides an intelligent energy storage machine and an operating method thereof. The intelligent energy storage machine is used in a large scale, so that the electrical load of a power grid is relatively stable, the electrical load for the daytime and night is balanced, and the peak load shifting function is realized; and the energy storage machine comprises a miniature wind power and photovoltaic power generation input interface, and a new energy access power system is easily realized. The intelligent energy storage machine comprises a cabinet shell, a control system, an energy device and an energy storage device, wherein the energy device is used for providing energy for the load and comprises a solar energy device, a wind energy device and a mains supply; the electric energy generated by the solar energy device and the wind energy device is stored in the energy storage device; the energy storage device is an energy storage battery pack; the energy storage battery pack is used for storing the energy generated by the solar energy device and the wind energy device and the energy charged by the mains supply; and the control system comprises a wind and photovoltaic complementary controller, a grid-connected inverter, an off-grid inverter, a programmable logic controller (PLC), a battery management system and a bidirectional intelligent electric meter.

One kind shaking from the electricity generation flashlight, contains has the shell, the reflector, the switch, folds the crank, its characteristic lies in also contains has group or the multi- groups sends the photosource, the shell interior and the base establishment has the kinetic energy transforms as the electrical energy electric power facility and the stored energy installment. The above electric power facility including folds the crank, the speed-up gear cluster, the generator and the electric circuit board. The stored energy installment is or many may imitate the battery, also may be or many electric capacities. By will fold the crank to actuate the speed-up gear cluster revolution, the speed-up gear cluster to rotate the kinetic energy which will produce to transmit again gives the generator, in will turn through the electric circuit board the alternating current the direct current, finally sufficient Chu Daoke in the sufficient battery or the electric capacity, like this provides the regulated supply to the flashlight to cause its to be possible a longer time continuously to use.

The present invention provides a solar cell that can be utilized as a stable electric power source for cloudy weather. An output voltage V1 of the solar cell 1 is lowered by a DC-DC converter 5. When a battery V2 is charged with an output of the converter 5, the converter 5 is stopped and the power of only the battery V2 is supplied to a low-voltage inverter circuit 6. The electric power supplied from the converter 5 is increased by boosting the output voltage of the converter 5 as well as starting to supply electric power from the battery V2. While the electric power of the converter 5 is increased, the performance of the solar cell 1 is judged. When the performance is decreased, the output voltage from the converter 5 is lowered and the amount of electric power supplied from the battery 2 is increased relatively.

The invention discloses a high-power wireless power transmission system, belonging to the field of wireless power supply. The system structurally comprises a rectification filtering circuit, a high-frequency inverter circuit, a resonance module, a rectification voltage-stabilizing circuit and a power supply control circuit, wherein the resonance module is composed of an energy emission coil and an energy receiving coil, a stable direct current is supplied to the high-frequency inverter circuit by an alternating current power supply passing the rectification filtering circuit, the direct current is changed into a 10 MHz high frequency alternating current by the inverter circuit and is transmitted to the emission coil, the receiving coil obtains energy from the magnetic field of the emission coil by electro-magnetic resonance and the electric energy is supplied to a load after rectification voltage stabilization and energy control. Power is supplied to a high-power electrical device in a wireless way without a circumscribed circuit by the high-power wireless power transmission system, so that the moving of the device becomes very convenient, so as to lay the foundation for the development of future internet-of-things technology.

The invention discloses a water cup device, which comprises a plug connected to the water cup through wires and an electrical socket connected to the plug. There are first sliding grooves extending from left to right in the seat, which are mutually symmetrical up and down. Between the two first sliding grooves, there is an electric plugging groove with the opening facing the right and mutually symmetrical up and down. In the electric plugging groove A contact piece is fixedly installed, and a second sliding groove connecting the two first sliding grooves is also arranged in the socket. A sliding arm can slide left and right in the first sliding groove, and the sliding arm is right A first toothed bar is provided on the end face facing the electrical insertion slot, and an engaging arm is installed in the second sliding slot so as to slide left and right, and the engaging arm is fixedly connected to the sliding arm.

The invention discloses a power supply assembly for electrical appliance equipment. The power supply assembly comprises a power supply seat and a plug, wherein the power supply seat is fixedly arranged in a wall, the plug is connected with a household electrical appliance, slots are vertically and symmetrically formed in the power supply seat and are provided with rightward openings, an upper installation groove and a lower installation groove are symmetrically formed in a left side of the power supply seat and communicate with the slots, telescopic grooves are symmetrically formed in a rightside of the power supply seat and communicate with the slots, an upper sliding groove and a lower sliding groove are formed in the center of the power supply seat and respectively communicate with theupper installation groove and the lower installation groove, a communication groove is formed between the upper sliding groove and the lower sliding groove and communicate with the upper sliding groove and the lower sliding groove, an upper gear group and a lower gear group are respectively arranged in the upper installation groove and the lower installation groove, a first sliding strip is arranged in the upper sliding groove and can slide leftwards and rightwards, a first rack is arranged on an end surface of the top of the first sliding strip, a power supply mother block is fixedly arranged at the bottom of a right side of the first sliding strip and extends to the communication groove.

An image forming apparatus includes: image forming units provided detachably and each having a developing roller for supplying a toner to an electrostatic latent image formed on a charged photoconductor drum to form the electrostatic latent image into a visible image; an endless intermediate transfer belt which is provided in such a manner as to be capable of abutting against the photoconductor drum and is adapted to rotate in loop form by being supported in a tension-adjusted state by a plurality of rollers, and onto which a toner image developed on the photoconductor drum is transferred; and a high-voltage unit which is electrically and mechanically connected to the image forming units through terminals to supply predetermined electric power to the photoconductor drums, chargers, and the developing rollers of the image forming units. The image forming units are arranged to be moved in a width wise direction of the intermediate transfer belt so as to be connected to the high-voltage unit.

A novel cup device comprises a plug and an electric connecting base, a tightly-inserting arm is fixedly arranged at the lower end of the plug, a tapering part and a pointed part located at the lower end of the tapering part are arranged at the lower end of the tightly-inserting arm, and locking grooves extending left and right are formed in the pointed part; a sliding cavity is formed in the electric connecting base, upper sliding grooves are formed in the top wall of the sliding cavity in a bilateral symmetry mode, a tightly-inserting groove communicated with the outer end is formed in the top wall of the upper sliding groove, a sliding block is installed in the sliding cavity in a vertically sliding mode, sliding arms are arranged at the upper end of the sliding block in a bilateral symmetry mode and installed in the upper sliding grooves in a sliding mode, tapering grooves are formed in the sliding arms, through grooves communicated with the tapering grooves are formed in the sliding block in a bilateral symmetry mode, the electric connecting base is arranged at the lower end of the sliding block, a lower sliding groove is formed in the position, below the electric connecting block, of the bottom wall of the sliding groove, and a sliding plate is installed in the lower sliding groove in a vertically sliding mode.

A DC-DC converter system is provided to improve switching control operation of a battery charging DC-DC converter (3) in an overheat temperature state without necessitating complication of a control unit (4). The control unit (4) performs output voltage limitation as well as output current limitation when the temperature of the DC-DC converter (3) is in an overheat temperature state in the vicinity of its operation stop temperature. With this capability, the output current and the output voltage can be limited, and therefore overheating of a power switching device (32) of the DC-DC converter (3) can be inhibited. In an alternative embodiment the switching frequency of the power switching device (32) is limited.

A new type of dust collector device of the present invention includes a cabinet and an electrical connector connected to the dust collector. The left side of the cabinet is provided with hooks corresponding to the front and back. As for the electric connection seat matched with the electric connection head, the upper and lower sides of the electric connection seat are correspondingly provided with jacks with the mouth facing the right, and a sliding cavity for communicating with the two jacks is provided between the two jacks. A sliding frame can be smoothly installed in the cavity. The right end surface of the electrical connection seat is located between the two sockets and a concave groove is arranged. The top arm is installed in the concave groove. There is a transparent groove communicating with the concave groove, and the first chute with the mouth facing the transparent groove is correspondingly arranged in the upper and lower sides of the carriage. A sliding bar is smoothly installed in the first chute, and the right end of the sliding bar penetrates through the through the groove and fixedly connected with the top arm.

Disclosed is an electromagnetic induction type power supply device, which generates electric power through an electromagnetic induction method using a transformer from current flowing through a transmission line, can adjust an output thereof by detecting and feeding back the output, enables a transformer and a power converting unit to be added or removed as necessary. The electromagnetic induction type power supply device includes a transformer module including a plurality of transformers for outputting electric power by inducing, in an electromagnetic induction method, secondary current from primary current flowing through a transmission line; a power source module including a plurality of power converting units for converting the electric power output from the plurality of transformers to direct current power and outputting the converted power; and a power summing unit for summing the direct current power output from the plurality of transformers and providing the summed power to a load.

An apparatus for controlling an output voltage of a switching mode power supply (SMPS) by adjusting a switching duty ratio is provided. A comparator outputs a state signal varying depending on a comparison result between an output voltage of the SMPS and a reference voltage. A clock generator generates an internal chip operating frequency and a switching frequency of the SMPS. A digital controller determines on / off of current cells depending on the state signal input from the comparator. A digital pulse width modulator (DPWM) determines a duty ratio of a digital pulse width modulation signal by determining a charging / discharging time of an internal capacitor based on an amount of current of the current cell.

The invention discloses a remote monitoring maintenance method and a remote monitoring maintenance system based on 3G and wind-solar complementary power supply technology. The method comprises programmable logic controller (PLC) data acquisition and control, wind-solar complementary power supply, 3G wireless communication and remote monitoring maintenance, wherein wind-solar complementary new energy power supply technology, 3G network communication technology and automation control technology are organically combined to acquire data of temperature, pressure, flow, water level, water quality and other data of a pump station and monitor the pump station on site. The remote monitoring maintenance system and the PLC data acquisition and control system adopt a distributed structure; the remotemonitoring maintenance system monitors the data of each PLC data acquisition and control system on line in real time; a 3G wireless communication system provides smooth and rapid communication for the remote monitoring maintenance system and the PLC data acquisition and control system; and a wind-solar complementary power supply system provides power supply for the PLC data acquisition and control system. The method and the system realize wireless energy of the remote pump station and data transmission operation.

The invention discloses a power connection device. The power connection device comprises a power connection base and a power connection plug, wherein the power connection base is fixedly arranged in a wall body; the power connection plug is connected with equipment; the power connection base comprises an insertion slot of which an opening faces a front end, and power connection slots which are arranged in two side walls of the insertion slot symmetrically; back ends of the power connection slots are further provided with longitudinal sliding slots; inner sides of the longitudinal sliding slots are provided with through slots which communicate with the insertion slot; baffle plates are arranged in the longitudinal sliding slots in a sliding way; mandrels are arranged in the through slots in a sliding way; outer side ends of the mandrels are fixedly connected with back ends of the baffle plates; inner side ends of the mandrels extend into the insertion slot; elastic parts are fixedly arranged in back end walls of the longitudinal sliding slots; front ends of the elastic parts are fixedly connected with back end walls of the baffle plates; and the conductive elastic sheets are arranged in the power connection slots.

The invention relates to an electric stimulus system for an intelligent cranial nerve nuclei mass, which can be used for helping locate the implanted electrode by electrical signals of the feedback electrode peripheral nerve in the process of operation, generates a controllable electrical signal to stimulate a targeted nerve nuclei mass or records, transmits and analyzes the electrical signal of the targeted nerve nuclei mass after the operation so as to automatically adjust the stimulus signal sequence and monitor the change of intracranial pressure. The system is composed of three parts, comprising an implanted part, a radio frequency control part and a power pack in vitro; wherein, the implanted part is composed of six subunits, comprising a stimulus signal generation unit and an information processing unit, a radio frequency communication unit, an intracranial pressure monitoring unit, a neural signal acquisition unit, an electrode and sensor interface and a power supply unit; the radio frequency control unit is mainly composed of five subunits, comprising a radio frequency communication unit, a control unit, an input / output unit, an information processing and analyzing unit and a computer interface; the power pack in vitro mainly consists of two subunits, comprising a coil unit and a high frequency inverter circuit unit.

The invention discloses an energy acquisition and power supply management device of a current transformer of an overhead line, which is characterized in that both output ends of the current transformer are connected with both input ends of a booster; both output ends of the booster are connected with both input ends of a rectification circuit; the positive output end of the rectification circuit is connected with a load after being connected with a voltage-stabilization output circuit; the second output end of the booster is connected with the power supply output end of a charging circuit; the positive output end of the rectification circuit is connected with the control end of the charging circuit after being connected with a sampling comparison circuit; the output end of the charging circuit is connected with the power supply input end of a gate circuit; the output end of the gate circuit is connected with the input end of a booster circuit; the output end of the booster circuit is connected with the load; and a delaying comparison circuit and the gate circuit are connected. The invention has the advantages that when short circuit or the noload of the overhead line is generated in the energy acquisition process of the current transformer, power is safely and stably supplied to overhead line high-voltage side equipment, in particular to online monitoring equipment.

The invention relates to a centralized control method for a microgrid. Coordination control is performed on generating equipment, loading equipment and energy storage equipment in the microgrid according to the following priority levels: 1, controlling the energy storage equipment to be in a state of charge only if the actual residual capacity of the energy storage equipment is lower than a lower limit value of residual capacity; controlling the energy storage equipment to be in a state of discharge only if the actual residual capacity of the energy storage equipment is higher than an upper limit value of the residual capacity; 2, inputting the non-input loading equipment into the microgrid when the generated power of the generating equipment or the residual capacity of the energy storage equipment is more than power or electric quantity required by the loading equipment and reaches a corresponding set input value; 3, increasing the generated power of the microgrid according to the priority levels of increasing the generated power of the generating equipment and the discharge power of the energy storage equipment when the power demand of the loading equipment is not met. The centralized control method for the microgrid disclosed by the invention can be used for performing the unified coordination control on various kinds of equipment, such as the loading equipment, the energy storage equipment, the generating equipment, a PCC switch and the like, and is in favor of the application and promotion of the microgrid.

A power supply method of a solar air conditioner includes: controlling a photovoltaic cell set to power the air conditioner, and monitoring output power of the photovoltaic cell set in real time; if the detected output power of the photovoltaic cell set is smaller than a set value; controlling an internal electrical storage device to supplement power supply so as to co-power the air conditioner with the photovoltaic cell set. The output power of the photovoltaic cell set is monitored in real time to allow the photovoltaic cell set to provide the air conditioner with stable power supply. If the detected output power of the photovoltaic cell set is smaller than the set value, the internal electrical storage device is controlled to supplement power supply so as to co-power the air conditioner with the photovoltaic cell set. Therefore, sudden power failure of the air conditioner caused by sudden failure or causes of a solar module or the photovoltaic cell set is avoided causing unavailability of the air conditioner, and damage of the air conditioner caused by abnormal start and stop is also avoided.

A safe power energizing assembly includes a plug and a socket, the lower end of the plug is fixedly provided with conducting rods, the lower ends of the conducting rods are provided with tapered parts and narrowing parts located at the lower ends of the tapered parts, horizontal extending locking grooves are arranged in the narrowing parts, a sliding cavity is arranged in the socket, upper sliding grooves are symmetrically arranged at a left side and a right side in upper end walls of the sliding cavity, insertion slots communicating with outer ends are arranged in the upper end walls of the upper sliding groove, a sliding block is mounted in the sliding cavity in a vertically slidable manner, the upper end of the sliding block is symmetrically provided with sliding arms at a left side and a right side, the sliding arms are slidably mounted in the upper sliding groove, tapered grooves are arranged in the sliding arms, through grooves communicating the tapered grooves are symmetrically arranged in the sliding block at a left side and a right side, the lower end of the sliding block is provided with a conducting block, a lower sliding groove is arranged in the bottom wall of the sliding cavity and located under the conducting block, and a sliding plate is mounted in the lower sliding groove in a vertically slidable manner.

The invention discloses an autonomous management system of a satellite lithium-ion battery pack power supply subsystem. The autonomous management system comprises an in-orbit management module, an emergency protection module, a balance control module and a lower computer module, wherein the in-orbit management module is used for preventing a lithium-ion battery pack from being excessively charged; the emergency protection module is used for preventing the lithium-ion battery pack from being excessively discharged; the balance control module is used for balancing the voltage among various single lithium-ion batteries in the lithium-ion battery pack; and the lower computer module is used for sampling and comparing the voltage of various single lithium-ion batteries in the lithium-ion battery pack. Through charging and discharging adjustment control on the battery pack and shunt adjustment of excessive power output by a solar cell array, transform control on the power supply subsystem is finished; the power supply stability of a busbar and various subsystems is kept; and the power supply and distribution requirements of load on the satellite are met. According to the autonomous management system, in-orbit full-autonomous control on the satellite lithium-ion battery pack power supply subsystem is achieved; and the reliability of the system is also greatly improved fundamentally.

The invention discloses a power control unit comprising an adapter power supply signal generating unit, an on / off signal generating unit, a power supply holding signal generating unit, an enable signal generating unit and a holding signal terminating unit. The adapter power supply signal generating unit is used for generating adapter power supply signals according to the output voltage of the adapter. The on / off signal generating unit is used for generating the on / off signals when cells supply power. The power supply holding signal generating unit is used for generating power supply holding signals when the cells supply power. The enable signal generating unit is used for generating enable signals according to the adapter power supply signals, on / off signals or power supply holding signalsand for controlling power on, power supply and power down of a power chip. The holding signal terminating unit is used for terminating generation of the power supply holding signals when the cells supply power. The invention also discloses an on method and an off method. The power control unit of the invention can provide stable supply voltage to embedded systems and realizes more complicated on / off power control flows of the terminal products. The power control unit realizes power on, power supply and power down processes of the system through the control of the circuit and the circuit is simple, easy to use, low in cost and high in reliability.

The invention discloses information equipment. The information equipment comprises a communication socket and a communication plug connected with the information equipment, wherein fixed blocks are symmetrically arranged on the right side of an upper end wall of the communication socket and the right side of a lower end wall of the communication socket; a fastening hole is formed in each fixed block; the communication socket is internally provided with an upper inserting groove with a rightward opening and a lower inserting groove with a rightward opening symmetrically; the communication socket is further internally provided with first sliding grooves, second sliding grooves and third sliding grooves symmetrically, and openings of the sliding grooves, openings of the second sliding grooves and openings of the third sliding grooves face the inserting grooves; a communicating sliding cavity is arranged between each sliding groove and the corresponding second sliding cavity; a sliding plate is mounted in each sliding cavity in a sliding manner; a sliding arm is mounted in each first sliding groove in a sliding manner; the second sliding grooves pass through the corresponding inserting cavity, and a locking arm is mounted in the second sliding grooves in the sliding manner; and a first diagonal plane is arranged on the end face, facing the inserting grooves, of the locking arm.

The invention discloses a ZigBee-based system for monitoring the wind drift of a power transmission line on line, which comprises a ZigBee wireless wind drift detector, a rod tower monitoring sub-machine, a general packet radio service (GPRS) communication module and a monitoring center, which are connected in turn, wherein the rod tower monitoring sub-machine and the GPRS communication module are connected with a power supply module respectively; and the rod tower monitoring sub-machine is connected with a wired wind drift detector. In a method using the system for monitoring, the actual wind drift condition of an insulator string of the power transmission line can be obtained accurately by acquiring the wind drift angles of the topmost and bottommost insulators of the insulator string of the power transmission line in real time or fixed time and by quantitative calculation and qualitative analysis, and thus, the most direct and efficient monitoring of the wind drift of the insulator string of the power transmission line is realized.

An electric power controller for a vehicle with stop-start system is provided to prevent electric energy from being decreased in a power capacitor when an engine is in an idle-stop state. The engine is in the idle-stop state by idle-stop control means, the transfer of the electric energy between the power capacitor and a vehicle-mounted battery is stopped by power control means connected between the power capacitor and the vehicle-mounted battery.

A capsule endoscope according to one embodiment includes: a camera; a transceiver; a tubular receiving coil for receiving power supplied from an external power transmitting antenna via magnetic flux; a tubular capsule accommodating these components; and an X-ray marker to be used in location and orientation detection. In the capsule endoscope, a magnetic body is arranged along the inner periphery of the receiving coil, and a self-propelling drive device including an electromagnet and a permanent magnet is arranged in series with the receiving coil along the tubular axial direction of the capsule so that the permanent magnet does not enter the inside of the receiving coil.

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.