560results about How to "Improve power supply stability" patented technology

Disclosed is a wind and solar hybrid power system based on an ultra-capacitor battery hybrid system, which includes a DC/DC buck converter (20), an AC/DC converter (30), an ultra-capacitor assembly (40), a DC/AC converter (50), a battery assembly (60), a battery charge circuit (700), a photovoltaic array (70), a wind generator (80) and an oil engine/commercial power interface (90). The photovoltaic array (70) is connected with the ultra-capacitor assembly (40) through the DC/DC buck converter (20); the wind generator (80) and the oil engine/commercial power interface (90) are connected with the ultra-capacitor assembly (40) through the AC/DC converter (30); the ultra-capacitor assembly (40) charges the battery assembly (60) through the battery charge circuit (700); the ultra-capacitor assembly and the battery assembly provides a definite power buffering to the system so that to maintain a stable voltage of the power supply. The wind and solar hybrid power system of the invention can provides uninterrupted power to the telecommunication system and resident living in the undeveloped areas where the power distribution network can not reach.

A power safety socket device comprises a socket body in which a movable groove is arranged. A slide frame is installed in the movable groove and is capable of sliding leftwards and rightwards. A left-right through groove is disposed at the center of the slide frame. Guide posts are fixedly installed at upper and lower symmetrical axes in the movable groove. Each guide post is composed of a guide portion at the left and a narrowed portion at the right. The guide portion is inserted into the through groove. A pushing groove with a right-facing opening and communicating with jacks and a guide groove communicating the through groove and the pushing groove are symmetrically disposed in the slide frame. A pushing arm is mounted in the pushing groove and is capable of sliding up and down. A guide arm is mounted in the guide groove and is capable of sliding up and down. The pushing arm is fixedly connected with the guide arm. An elastic biasing member is fixedly installed on the outer end wall of the pushing arm and is fixedly connected with outer end face of the pushing arm. An elastic conductive sheet is fixedly installed on the inner end face of the pushing groove. Conductive posts are arranged on the left end surface of the slide frame longitudinally symmetrically. Power supply grooves in cooperation with the conductive posts are arranged in the left end wall of the movable groove longitudinally symmetrically.

The invention discloses a new energy automobile device, and the device comprises a charging gun and a charging pile body, which are connected with a new energy automobile through cables. The charging gun comprises a pull plate, and the upper and lower ends of the right end face of the pull plate are symmetrically provided with an upper plugboard and a lower plugboard. The right ends of the upper and lower plugboards are respectively provided with an upper inclined surface and a lower inclined surface. The central end of the right end face of the pull plate is provided with a contact, and the right end face of the contact is provided with a movement guide surface. The upper end of the pull plate is provided with a pull slot with the notch facing the right. The upper end wall of the pull slot is provided with a clamping groove. The charging pile body comprises a housing and an extending end disposed at the upper end of the left side of the housing. The whole device can complete the switching-off and switching-on of the contact through the operation of a driver, i.e., the switching-off and switching-on of the new energy automobile. The device is simple and convenient in operation, and the pulling and plugging of the contact are achieved through mechanical motion. There is no need of manual operation for the pulling of the contact, thereby saving the force and preventing an electric shock accident caused by the manual plugging and pulling.

The invention provides a solar small-water-area remote-control waste cleaning boat, which comprises a boat body and a control system. A fishing device, a trash bin, a propelling and steering mechanism, a power supply system and a video acquisition system are arranged on the boat body. The control system comprises a boat body control part and a remote control part. The boat body control part is installed on the boat body. The remote control part is arranged in a boat body control workstation. The boat body control part and the remote control part realize signal transmission through a wireless transmission way to realize the remote control of the boat body and the devices which are arranged on the boat body. The solar small-water-area remote-control waste cleaning boat is remotely controlled based on a wireless remote control technology, has the advantages that the boat is simple to operate, the mobility is good, the controllability is good, secondary pollution is not caused and the working efficiency is higher, and is very suitable for cleaning water surface trash in small water areas in parks or scenic spots.

The invention relates to the field of distributed power generation and microgrids and discloses a microgrid on-grid to off-grid switching control system. The system comprises an energy-storage bidirectional converter, an on-grid switch and a controller; one side of the on-grid switch is connected with the output end of a main power source; the other side of the on-grid switch is connected with the output end of the energy-storage bidirectional converter; the output end of the energy-storage bidirectional converter is connected with a controller; if the controller receives a connection command, the controller adjusts main grid side voltage and microgrid side voltage of the on-grid switch in the same period; after the on-grid switch is closed, the energy-storage bidirectional converter converts from a voltage source mode to a current source mode and keeps current power unchanged; after on-grid time reaches set delay time, the energy-storage bidirectional converter outputs active power and reactive power. The invention further discloses a control method based on the system. By the use of the system, the problem that switching of the running mode of a microgrid causes disturbance to a load and a grid is solved, and seamless off-grid to on-grid switching is achieved.

The invention provides a multilayer wiring substrate/multi-chip integration-based large port interconnection chip interconnection construction and physical realization method and relates to a multi-chip interconnection structure, a multi-chip interconnection structure construction method, multi-chip layout, substrate pin array partitioning and distribution, distribution of high-speed differential signal pin pairs, effective partition of substrate wiring and a partition method of the substrate wiring as well as a corresponding multi-chip interconnection chip device which are applicable to substrate integration. According to the invention, large-port interconnection chips can be effectively and equivalently realized based on substrate encapsulation size. Compared with a corresponding single-chip integration implementation method, the method of the invention can support multiple kinds of interconnection structures, and is compatible with interconnection sub-chips be of a variety of micro-system structures, can effectively utilize the characteristics of different functional interconnection sub-chips, and has better performance in implementation cost of the chips, scalability, flexibility, compatibility and the like; and at the same time, the method of the invention has lower requirements for manufacturing technology for realizing a required integrated circuit and can provide interconnection chips having different specifications and different number of ports, and can more flexibly adapt to market demands.

The invention discloses an electric power supply plug-in assembly, which comprises a power supply socket embedded in a wall and a power connection part for mating connection with the power supply socket. A plug is arranged in the middle of the rear end of the power connection part. The rear end of the power connection part is respectively symmetrically provided with two plug boards on the left and right sides of the plug, and each of the plug boards is provided with a locking groove at the rear end, and the front end of the power supply socket is provided in the middle to connect with the plug. The first power supply hole for matching connection, the front end of the power supply socket is respectively symmetrically provided with two slots for cooperating with the plug-in board on the left and right sides of the first power supply hole, and the outer side of each of the slots The end wall is provided with a lock column sliding groove. The overall structure of the present invention is simple, the power supply stability is good, the occurrence of electric shock accidents in the existing life is reduced, people's lives are effectively guaranteed, and the power-on and power-off of electrical facilities All are realized through the automatic control of the driving motor, and the operation is simple and convenient.

The invention discloses a new energy source automobile device, which comprises a charging pile body, wherein hanging plates are symmetrically arranged in the front and back sides of the upper part position of the right end surface of the charging pile body; a jack is formed in the left end surface of the charging pile body; an electric contact block is arranged on the right end wall of the jack; afirst slide moving cavity is formed under the jack in the charging pile body; a second slide moving cavity is formed in the right end of the jack in the charging pile body; a third installing grooveis formed between the right end of the first slide moving cavity and the lower end of the second slide moving cavity; a through hole is formed between the jack and the first slide moving cavity in a mutual communication way; a plug plate is connected into the through hole in a slide moving matching way. The new energy source automobile device has the advantages that the integral structure is simple; the operation of the whole device is safe and reliable; the power-on and power-off operation of the jack is simple and convenient; the use cost is reduced; the occurrence of electric shock accidents in the existing life is effectively reduced; the life safety of people is guaranteed; the power supply stability is high.

The invention discloses information data equipment. The information data equipment comprises a distribution box, an electric connecting seat arranged in the right side end face of the distribution boxand an electric connector connected with the data equipment, wherein a dustproof board is fixedly connected to the top end face of the distribution box through an arm lever; hook parts are correspondingly arranged on the left side end face of the distribution box in a front-back corresponding manner; jacks of which ports face rightwards are formed in the electric connecting seat in an up-down corresponding manner; a sliding cavity is formed between the two jacks; an intercommunicated first through groove is formed in the left side of a part between the two sliding cavities; a second through groove is formed between each sliding cavity and the corresponding jack; a sliding block which can horizontally slide leftward and rightward is arranged in each sliding cavity; a pushing groove of which a port faces the first through groove is formed in each sliding block; a third through groove which is intercommunicated from left to right and penetrates through the pushing groove is formed in each sliding block; a pushing block which can vertically and horizontally slide is arranged in each pushing groove; a fourth pushing groove which is intercommunicated from left to right is formed in eachpushing block; a first inclined sliding plane is arranged on the end wall, close to the corresponding first through groove, of each fourth through groove.

An infrared charging system disclosed by the present invention comprises a plurality of infrared charging devices and a plurality of to-be-charged devices. The infrared charging devices and the to-be-charged devices establish connection via the infrared ray pairing, so that the to-be-charged devices are charged. The present invention also discloses an infrared charging method. The method comprises the steps that: firstly, the infrared charging devices transform the electric energy into the infrared signals to emit; the to-be-charged devices and the infrared charging devices establish the pairing connection; and the to-be-charged devices receive the infrared signals and transform the infrared signals into the electric energy to store. The infrared charging system and the infrared charging method of the present invention solve the problem that the charging distance of a conventional wireless charger is not ideal, and realize the effects of improving the effective charging distance and the power supply stability of the wireless charger.

The invention provides a multi-port energy router. The multi-port energy router is characterized in that a positive-negative ring network of double DC buses, that is, a positive-negative 375V DC bus ring network is proposed in order to construct a 375V/750V double DC bus system; by means of coordinated operation of a fourth port-isolated DC converter and energy storage equipment, the function of stabilizing the two DC buses in the 375V/750V double DC bus system is achieved, and the power supply quality of the system is improved; by means of power control over two ports of the fourth port-isolated DC converter, electric energy interaction of the two DC buses is achieved, and it is guaranteed that the two DC buses can still keep at 375V and 750V under different loads; and on the constructed375V/750V double DC bus system, a plurality of different converters serve as ports to connect a public power grid, a wind power generator, energy storage equipment, a photovoltaic power generator, anAC load and a DC load, and then the various ports are controlled to operate coordinately by an energy manager.

The invention provides a resource allocation optimizing method for failure repair of a distribution network. The method comprises the following steps: acquiring positions of fault points of a power grid and repair resource demand information thereof; acquiring current available power grid repair resource information of local repair points of power grid fault points; judging whether the current available power grid repair resource information of local repair points meets the demand of the repair resource demand information or not; if not, acquiring current power grid repair resource information of the repair points around the local repair points and constructing resource allocation optimizing models of a plurality of contributive points according to the repair resource demand information and current power grid repair resource information of around contributive points; optimizing the resource allocation optimizing models of the contributive points based on the TOPSIS algorithm to acquire the optimal resource allocation scheme for guiding optimized allocation of the repair sources required by the power grid fault points. According to the method provided by the invention, optimized allocation of the repair resources is realized, the time for recovering the power grid faults is shortened and the power supply reliability and stability are improved.

The invention discloses an improved power connecting device for electrical equipment. The improved power connecting device for the electrical equipment comprises a power supply seat fixedly mounted ina wall and a power connecting head connected with the electrical equipment, wherein an insertion slot having a rightward opening and matched with the power connecting head is formed in the right endsurface of the power supply seat; power supply slots with rightward openings are formed in the left end wall of the insertion slot in longitudinal symmetry; a communicating cavity communicated with the two power supply slots is formed between the two power supply slots; first sliding slots communicated with the communicating cavity are formed in the left end wall of the communicating cavity in longitudinal symmetry; second sliding slots communicated with the first sliding slots and the power supply slots are formed between the first sliding slots and the power supply slots; first sliding armsare mounted inside the second sliding slots in a sliding manner; rolling wheels are mounted on the end surfaces, facing the first sliding slots, of the first sliding arms; power supply sheets are fixedly mounted on the end surfaces, facing the power supply slots, of the first sliding arms; sliding cavities extending left and right are formed in the end walls, away from the communicating cavity, ofthe power supply slots; through slots communicated with the power supply slots are formed in the right sides of the end walls, near the power supply slots, of the sliding cavities.

The invention provides an adaptive reclosing method based on travelling wave segmentation principle for a mixed line. The method comprises the following steps: (1) using M and N to represent the two ends of the mixed line, using tM and tN to respectively represent the absolute time at which the initial travelling wave surge of the line fault reaches the M-end bus and the N-end bus, computing the difference deltaTp of the time at which the travelling wave of the fault reaches the two ends of the line when the P point has fault and using the difference deltaTp as the reference value, wherein the M end is the cable end and P is the joint of a cable and an overhead line; (2) computing the difference deltat of tM and tN when the line has fault; (3) judging the fault section according to whether deltat is greater than deltaTp or not; and (4) when the fault point is in the overhead line section, a line protection device starts reclosing after the line fault is eliminated, or the line protection device closes reclosing. The method has the beneficial effects of realizing adaptive reclosing of the mixed line and improving the power supply reliability and has broad application prospect.

The invention provides a mixed line self-adaptive reclosing method based on a traveling wave ranging principle, which comprises the following steps of: (1) representing both ends of a mixed line by M and N, wherein M is a cable end bus, and N is an overhead line end bus; calculating line total length L after wave velocity reduction; (2) measuring a difference of time (delta t) spent in surging line failure initial traveling wave to the buses at both ends and calculating distance DMF or DNF between a failure point and any end of a line after wave velocity reduction; (3) confirming a failure zone according to the DMF or DNF; and (4) when the failure point is positioned in the overhead line zone, starting reclosing by a line protecting device after line failure is cut off; and otherwise, locking reclosing. The method realizes mixed line self-adaptive reclosing, improves the power supply reliability and has wide application prospect.

The invention discloses an unmanned aerial vehicle flight controller attitude calculation and control method. The attitude calculation method includes a first attitude matrix obtained by fusing an accelerometer with a magnetometer, a second attitude matrix obtained by fusing a gyroscope and a third attitude matrix of the previous control period, and a third attitude matrix including high-precision attitude information obtained by fusing the first attitude matrix and the second attitude matrix. The attitude control method takes the attitude space vector as the control object, obtains the control quantity of each motor according to the third attitude matrix, and realizes the attitude control of the unmanned aerial vehicle. The attitude calculation and control method can be applied to the control of all the attitudes of the unmanned aerial vehicle, and is high in real-timeness and stable in attitude calculation and control.

The invention discloses an intelligent power supply system for a photovoltaic air conditioner and a power supply method. The system comprises a control module, a two-way AC/DC converter module, an inversion module and a photovoltaic system, wherein the two-way AC/DC converter module, the inversion module and the photovoltaic system are connected with the control module respectively; the photovoltaic system is used for converting solar energy into direct current; the two-way AC/DC converter module and the inversion module are connected with the photovoltaic system respectively; and according to the working conditions of the photovoltaic system and an air conditioning unit, the control module enables power supply to the air condition through the inversion module after establishing the connection of the photovoltaic system or enables excessive electric energy feedback through the two-way AC/DC converter module, or enables power supply to the air condition through the two-way AC/DC converter module and the inversion module after establishing the connection of the power grid. The method is a power supply method utilizing the above power supply system when the photovoltaic system and the air conditioning unit are in different working conditions. The intelligent supply system has the advantages of being simple and compact in structure, low in cost, high in power supply efficiency and high in stability; and an intelligent power supply control function of the photovoltaic air conditioner can be achieved on the basis of one set of system.

The invention relates to the technical field of marine water quality monitoring, in particular to a remote monitoring and control system for the marine water quality based on multi-buoy sensing nodes.The system comprises a buoy sensing network node group, a node information comprehensive processing module and a remote automatic monitoring and control module, the buoy sensing network node group includes a plurality of buoy sensing nodes, each buoy sensing node includes a buoy body, and a data online monitoring module, a data wireless transceiver module, a data preprocessing module, an electricquantity comprehensive management module and a satellite positioning module are integrated on each buoy body. The data online monitoring modules are used for obtaining water quality data, and the water quality data is sent to the node information comprehensive processing module through the data wireless transceiver modules; the node information comprehensive processing module is in real-time communication with the remote automatic monitoring and control module through a wireless remote transmission unit. The system can achieve fast, accurate and real-time monitoring of water quality parameters of specific sea areas.