34 results about "Basic power supply" patented technology

The invention relates to the technical field of new energy automobiles, in particular to a low-voltage battery charging method and system, a controller and an automobile. In the silent state of the automobile, a VCU control system accurately closes unnecessary peripherals through a low-power-consumption monitoring mode, only basic power supply of a communication module is maintained, and the power consumption of the VCU control system is reduced; quiescent current consumption is obviously reduced to delay the self-discharge rate of the low-voltage storage battery; when it is detected that the voltage of the low-voltage battery is lower than a threshold value, the system automatically activates the high-voltage power battery to conduct directional charging on the low-voltage system, service life attenuation caused by over-discharge of the low-voltage storage battery is avoided, and it is ensured that a key control module of the vehicle always has basic working electric energy; through sequential control of the preset charging period, excessive energy consumption of the high-voltage battery is prevented while charging sufficiency is guaranteed, dynamic energy balance of the high-voltage-low-voltage battery pack is formed, and the reliability of a new energy automobile in a long-term parking scene and the use convenience of a user are remarkably improved.

1. The name of the design product: intelligent tool box (middle box). 2. The use of the design product: the design product is used for the personnel of power grid basic power supply to install meter and connect electricity, check electricity and patrol line, etc. 3. The design points of the design product: in shape. 4. The picture or photo that can best show the design points: perspective view.

The invention relates to the technical field of power supply of wind power detection equipment, in particular to a multi-mode power supply device for wind power blade detection equipment. And the power supply assembly comprises a wind power storage bin, and the wind power storage bin is fixedly connected to the top of the device bottom plate. According to the multi-mode power supply device of the wind power blade detection equipment and the use method, by installing the power supply assembly, the wind power storage bin can serve as a core energy storage module to be fixed to the top of the bottom plate of the device and is specially used for bearing and storing wind energy input by external wind power generation equipment through a wind power charging hole and converting the wind energy into electric energy; basic power supply support is provided for the wind power blade detection equipment, electric energy converted by the solar panel is accurately conveyed to the wind power storage bin or the standby storage bin through the power storage wire for classified storage, and a multi-mode power supply guarantee system with dual-energy complementation, efficient collection and stable storage is constructed for the wind power blade detection equipment; and thus, the continuous power utilization requirements of the equipment in different environments are met.

The application discloses a power meter over-capacity burning prediction method based on a multi-dimension weighted clustering algorithm, which comprises the following steps: S1, obtaining meter information through an information table of an electric energy meter; S2, obtaining load data of a historical period time of a user through a power load data table; and S3, for the load data in the warehouse, users with a preset number of continuous points or more within a day are over-capacity users, and multi-dimension weighted clustering calculation is performed on the over-capacity users. The power meter over-capacity burning prediction method based on the multi-dimension weighted clustering algorithm considers the over-capacity multiple of the power meter, continuity, heating condition, weather and power consumption change to give a quantitative over-capacity burning risk evaluation; a basic power supply station can replace the meter according to the output data or received short messages, and can replace a suitable meter according to actual needs, so that the meter burning is prevented from occurring, and the equipment utilization is improved.

The invention discloses a satellite-borne computer device based on a D2000V processor, and belongs to the technical field of satellites. Comprising a processor module, a control module, a storage module, a power module and an external interface module. The processor module adopts a Feiteng D2000V processor to form a minimum hardware system for CPU (Central Processing Unit) operation of the processor; the control module adopts an anti-fuse type or Flash type FPGA (Field Programmable Gate Array) to realize a control management function, and mainly comprises health management functions such as remote control and telemetering information processing, program reconstruction management function, storage channel selection, CPU (Central Processing Unit) start control, CPU on-orbit operation state management, fault diagnosis and the like; the storage module realizes a program storage function of the processor and adopts a multi-redundancy physical backup form, the power supply module realizes input power supply conversion and provides a basic power supply function for the spaceborne computer device, and the external interface module realizes external information interaction of the spaceborne computer device. The reconstruction scheme is flexible, the integration level is high, external interfaces are rich, the space environment adaptability is high, and various satellite processing load requirements are met.

The present application relates to the technical field of power system, and especially relates to a power grid operation safety analysis method based on multi-source data fusion and big data. The power grid operation safety analysis method based on multi-source data fusion and big data comprises the following steps: S1: collecting power distribution network topology structure data and power distribution network region data, dividing basic power supply units based on power distribution network topology nodes based on the power distribution network topology structure data and the power distribution network region data, and generating a power distribution network power supply diagram; S2: clustering behavior patterns according to the power distribution network power supply diagram and historical mobile signaling data to obtain user group distribution of each basic power supply unit; and S3: analyzing historical power consumption data according to weather, time period and date type to obtain basic power consumption parameters of user groups. The present application can generate early warning results with clear positioning information by combining the power consumption habits of users, and prevent overload or fault diffusion.

The invention provides a photo-thermal steam circulation and gas turbine steam circulation combined power generation system and method.The photo-thermal steam circulation and gas turbine steam circulation combined power generation system comprises a solar heat collection device, a gas turbine, a boiler, a steam box, a steam turbine, a circulation water tank and a power generator; the boiler is connected with the steam turbine through the steam box so as to convey steam to the steam turbine, the steam turbine is connected with the circulating water tank so as to recycle the steam, and the steam turbine is connected with the generator so as to drive the generator to generate electricity. According to the power generation system, a solar energy and natural gas dual-energy system is combined, on one hand, basic power supply is guaranteed through natural gas, a clean energy-solar power generation system is additionally arranged on the basis of the natural gas, the power generation efficiency is improved, and the power utilization requirement is effectively guaranteed;

The application provides a timing control system and a control method thereof, and a display device, and relates to the technical field of display, and is used for solving the problem that the timing of power-on and power-off work between each driving chip in a display product is difficult to control, the driving chip is in an uncertain state, charge residues are generated on the display panel, and the picture flickers or is abnormally displayed. In the timing control system, a control circuit provides control information to an enabling circuit and provides a basic power supply signal to a power management circuit; the enabling circuit outputs a power supply enabling signal to the power management circuit and outputs a corresponding controlled enabling signal to a controlled circuit under the control of the control information; the power management circuit enters a standby state or a working state under the control of the power supply enabling signal, and can generate a target power supply signal according to the basic power supply signal in the working state; and the controlled circuit enters the standby state or the working state under the control of the controlled enabling signal and the target power supply signal.

1. The name of the design product: intelligent tool box (big box). 2. The use of the design product: the design product is used for the personnel of power grid basic power supply to install meter and connect electricity, check electricity and patrol line, etc. 3. The design points of the design product: in shape. 4. The picture or photo that can best show the design points: perspective view.

The application provides a module unit for a satellite, comprising a shell, at least one standard interface and a management module. The standard interface is arranged on the surface and comprises a power transmission interface for providing power transmission, a communication module for realizing data interaction and communication, and a magnetic attraction module for realizing physical connection between different module units. The management module is arranged in the interior of the shell and comprises a node self-identification chip communicatively connected with the power transmission interface, which is used for identifying other module units connected with the module unit, a wireless module used for transmitting backup data in each module unit, a lithium battery module electrically connected with the magnetic attraction module, a power management module used for providing basic power supply for the module unit, a power source management module used for managing power source use of the module unit and providing 5V internal power, and an electromagnetic unlocking module communicatively connected with the magnetic attraction module and used for managing the magnetic attraction module of each standard interface of the module unit.

The invention relates to the technical field of power systems, in particular to a power grid operation safety analysis method based on multi-source data fusion and big data. The invention discloses a power grid operation safety analysis method based on multi-source data fusion and big data, and the method comprises the following steps: S1, collecting power distribution network topological structure data and power distribution network region data, dividing basic power supply units based on the power distribution network topological structure data and the power distribution network region data by taking a power distribution network topological node as a basis, and generating a power distribution network power supply diagram; s2, behavior pattern clustering is carried out according to the power distribution network power supply diagram and historical mobile signaling data, and user group distribution of all basic power supply units is obtained; and S3, according to the historical power consumption data, analysis is carried out according to weather, time periods and date types, and basic power consumption parameters of the user group are obtained. According to the invention, the early warning result with clear positioning information can be generated in combination with the power utilization habit of the user, and overload or fault diffusion is prevented.

A ring oscillator disclosed by the present invention comprises a power supply and tuning unit and a ring oscillation unit, the input end of the power supply and tuning unit is connected with a power supply signal, and the modulation power supply output end of the power supply and tuning unit is electrically connected with the power supply input end of the ring oscillation unit. The signal output end of the annular oscillation unit outputs a differential clock signal, and the power supply and tuning unit is used for outputting a corresponding bias current according to a tuning control signal, so that the frequency tuning of the annular oscillation unit is realized. Broadband coverage is achieved through discrete digital tuning control signals of the coarse tuning subunit, fine tuning is achieved in combination with analog tuning voltage signals of the fine tuning subunit, the linear limitation of traditional load tuning is broken through, and the tuning range is expanded; constant bias current is provided through the basic power supply sub-unit, and the coarse adjustment sub-unit and the fine adjustment sub-unit are connected in parallel with supplementary current as required, so that static power consumption waste caused by fixed bias current in a traditional structure is avoided, and dynamic power consumption management is realized.

This invention discloses a method and system for power planning and allocation in receiving provinces that considers uncertainties. The method includes: formulating a basic power supply plan; constructing a probabilistic scenario set of annual hydropower utilization hours based on historical water inflow data; setting green and low-carbon targets and calculating the inter-provincial renewable electricity volume required to meet the renewable energy consumption responsibility weight under different scenarios; establishing an inter-provincial transaction cost model to calculate the cost per kilowatt-hour and total transaction cost for each scenario; constructing a system annual operating cost model to obtain the total system cost under each scenario and then averaging it to obtain the expected total cost; and iteratively optimizing the installed capacity of new energy sources with a fixed increment until convergence, outputting the economically optimal solution. This invention achieves a coordinated balance between the economy, greenness, and security of power allocation by probabilistically handling hydropower uncertainties and introducing inter-provincial green electricity trading as an optimization variable.

This application relates to the field of power switching technology, and discloses a firmware-controlled peripheral interface power adaptive switching system and method. The method involves: upon detecting a peripheral connection, providing a basic power supply voltage to the peripheral and initializing the UART serial communication interface; sending a model query command to the peripheral and extracting the peripheral model identifier string from the response frame to generate a relay control command; controlling a Darlington transistor array driver chip to drive the coil of a double-pole double-throw relay, switching the connection state of the relay's common terminal contact, and reading the voltage and current measurements of the peripheral; calculating the peripheral's power value, and encapsulating the power value and power supply mode status into a status data packet and transmitting it to the peripheral management software. This application transforms power supply configuration from hardware mechanical operation to firmware intelligent control, realizing plug-and-play, zero-error configuration, and visual management of peripheral power supply, reducing production costs and maintenance difficulty, and improving the intelligence level of peripheral interface power management.

1. The name of the design product: height and distance measuring infrared thermal imager. 2. The use of the design product: the design product is used for power grid basic power supply personnel to go out for line patrol and electricity inspection work. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.

The invention relates to the technical field of electric power business expansion, in particular to a business expansion power supply scheme generation method and device based on artificial intelligence and electronic equipment, and the method comprises the steps: obtaining a business expansion power supply application text input by a user, and carrying out the text recognition processing of the business expansion power supply application text to obtain power supply scheme basic data; reasoning and verifying the basic data of the business expansion power supply scheme based on the industry specification, generating a basic power supply scheme, and obtaining a preliminary power supply scheme based on the power supply scheme optimization model; and obtaining feedback of the user on the preliminary power supply scheme, and introducing a reward mechanism and a near-end strategy optimization algorithm to re-optimize the preliminary power supply scheme. On the basis of text recognition and machine learning, a preliminary power supply scheme is generated in combination with industry rules, then user feedback is collected, a reward mechanism and a near-end strategy optimization algorithm are introduced to optimize the preliminary power supply scheme again, and a standardized and economical final power supply scheme meeting user preferences is output. The reliability of the power supply scheme can be improved, and the user satisfaction can be improved.

The invention relates to a power supply device (10) for an electric furnace (11), comprising at least one basic power supply module (20, 20A, 20B) having a first sub-module (21), a second sub-module (22) and a third sub-module (23), which are connected at inputs to a three-phase network (13) by means of respective transformers (24, 25, 26), respectively, and at an output, connected to a three-phase power supply line (32) configured to supply power to one or more electrodes (16) of the electric furnace (11).

The invention discloses a locking type power line plug, belongs to the technical field of power plugs, and aims to solve the problems that a traditional plug is easy to fall off and insufficient in expansibility. The plug is composed of a first plug, a second plug, a fixing assembly and a driving mechanism, the first plug is combined with an upper cover through a lower cover to form a main body structure, and three groups of insertion strips are arranged at the bottom and matched with a standard three-hole socket. The fixing assembly comprises a sleeve rod and an elastic expansion portion, the driving mechanism drives the insertion rod to move through the sliding column, radial expansion is achieved through cooperation of a ball head structure and an inclined face of the expansion portion, and the outer wall of the sleeve rod is tightly attached to a socket fixing hole to form mechanical locking. The expansion interface is arranged on the side wall of the plug, the second plug is connected with the built-in conductive seat through the double insertion strips, the driving mechanism synchronously controls the wedge-shaped block and the elastic buckle to act, and the wedge-shaped block pushes the conductive elastic sheet to clamp the insertion strips. According to the invention, the locking mechanism is controlled to act through the lever-type operating part, so that the basic power supply stability is ensured, an extensible interface is provided, and dual mechanical anti-drop is realized.

The utility model belongs to battery technical field discloses a kind of split type power battery pack, including main box and auxiliary box, the main box and the auxiliary box are equipped with battery compartment and compartment cover, the main box and the auxiliary box are equipped with battery communication interface and series connection interface, the main box is equipped with battery positive output interface, and the auxiliary box is equipped with battery negative output interface;The auxiliary box inside is equipped with auxiliary box electrical group, the main box inside is equipped with main box electrical group, the auxiliary box electrical group and the main box electrical group are connected with the battery compartment circuit of each itself, adopt the structure design of the utility model, split type design, when one of main box and auxiliary box appears problem, by another box body conversion carries out low power supply, realizes some basic power supply;Adopt the structure design of the utility model, can be applicable to due to space restriction, cannot be used in the occasion that battery pack is made into a whole.

This invention discloses an outdoor lighting waterproof distribution system based on a waterproof base. The system uses a waterproof base (1) as its core structure, with a PCB distribution board (3) installed inside its cavity. Electrical connection points are completely sealed using a power mainline potting compound (9), forming an integrated waterproof distribution body. The PCB distribution board has an input connection part and multiple output connection parts; the power mainline (6) and parallel leads (7) are connected to the corresponding connection parts by welding or plugging. The parallel leads (7) are led out through a distribution lead-out shell (14) and waterproof insulating glue is injected through the parallel lead glue injection hole (12). After curing, a parallel lead potting compound (13) is formed, achieving a waterproof seal at the outlet. This invention provides a highly reliable basic power supply connection platform for outdoor lighting through modularization and dual potting processes.

The application discloses a power supply system of a fuel cell coupled with a flow battery and a running control method thereof. The power supply system comprises a basic power supply unit, an energy storage peak shaving unit, a renewable energy power generation unit, an electrolytic hydrogen production unit, a hydrogen storage unit, a first-level waste heat recycling unit, a second-level waste heat recycling unit and a heat storage unit. The basic power supply unit is used for providing a basic power load of a target building group; the energy storage peak shaving unit is used for providing a fluctuating power load of the target building group; the first-level waste heat recycling unit receives first-level waste heat generated by fuel cell power generation and is used for indoor heating or indoor refrigeration; and the second-level waste heat recycling unit directly receives the first-level waste heat or second-level waste heat from the first-level waste heat recycling unit and is used for preheating electrolytic water and / or the hydrogen storage unit. The application has the advantages that the first-level waste heat recycling unit and the second-level waste heat recycling unit are arranged, the waste heat is used in multiple levels according to the demand, and the waste heat utilization rate is high.

The invention discloses a cellular electricity meter access management device applied to a grass-roots power supply station, which relates to the technical field of electricity meter management and comprises a frame unit, an electricity meter mounting unit and a code scanning unit. The frame unit comprises a unit bottom plate, a frame assembly arranged on the unit bottom plate and a connecting assembly arranged on the frame assembly; and the electric meter mounting unit comprises a clamping assembly arranged on the connecting assembly, an electric meter mounting assembly detachably arranged on the clamping assembly, and an electric meter arranged on the electric meter mounting assembly. According to the honeycomb type electricity meter access management device applied to the base-level power supply station, the frame units and the electricity meter installation units are arranged, and the detachable connection among the multiple sets of frame units is utilized, so that an electricity meter storage framework is rapidly deployed in a lightweight mode, and the electricity meter access management device can meet the requirement for flexible installation and placement of storage shelves of an existing power supply station; and a code scanning unit is arranged, so that a mode of convenient inventory management of basic-level electricity meter management is realized.

The present application provides a vehicle redundant power supply method, device, equipment and storage medium. The device consists of a sensor, an energy converter, a control unit, a backup capacitor and a collision detection and energy distribution module. The sensor is responsible for monitoring driving parameters such as vehicle speed, acceleration and braking force. The energy converter converts kinetic energy into electrical energy when the vehicle brakes. The control unit determines the vehicle driving state based on the data provided by the sensor and determines the energy recovery ratio according to the preset energy recovery rate mapping relationship. The backup capacitor serves as a temporary energy storage device, receives and stores the electrical energy converted from kinetic energy. When the collision detection module identifies a collision event, it triggers the energy distribution module to work, and distributes the energy stored in the backup capacitor to the key functional units of the vehicle according to the preset priority. Through energy recovery and release, the device ensures the basic power supply requirements of the vehicle in an emergency state, reduces energy loss and effectively improves the vehicle safety performance.

The invention relates to the field of automobiles, in particular to a cooperative work control method for a hydrogen fuel cell and a lithium battery, in the cooperative work process of the hydrogen fuel cell and the lithium battery, the lithium battery provides a peak clipping and valley leveling effect, bears load power fluctuation, peak power output or absorption and short-time high-power requirements, and smooths bus voltage; the hydrogen stack serves as a basic power supply to provide stable power, is responsible for long-term energy supply and peak regulation capability, ensures that the hydrogen stack always works in a high-efficiency region and operates in a constant working condition for a long time, improves the driving efficiency of the fuel cell, does not participate in high-frequency regulation, and reduces the attenuation of the fuel cell.

The utility model discloses a photovoltaic energy storage power generation system, which relates to the technical field of photovoltaic power generation and comprises a photovoltaic cell array, a switch matrix, a miniature grid-connected inverter, a power grid, a charging and discharging controller, a first energy storage cell, a second energy storage cell, an off-grid inverter and a rated alternating current load. The photovoltaic cell array is connected with the switch matrix; the switch matrix is respectively connected with the micro grid-connected inverter and the charging and discharging controller; the micro grid-connected inverter is connected with a power grid; the charging and discharging controller is respectively connected with the first energy storage battery and the second energy storage battery; the first energy storage battery and the second energy storage battery are connected with the off-grid inverter; and the off-grid inverter is connected with a rated alternating current load. The power supply device is composed of a plurality of independent modules, each module is clear in function, modes can be switched according to different working states and requirements, power supply with the maximum efficiency is achieved, the daily power utilization requirement can be met, and basic power supply for families can be guaranteed under the condition that a power grid is powered off.

A kind of based on reconfigurable modularization satellite-borne GNSS receiver, modularization design is adopted, including radio frequency module, navigation module, control module and bottom plate;Wherein, radio frequency module, navigation module, control module adopt standardization structure design, reconfigurable combination between modules, can support multiple antenna input, multiple machine redundancy backup and be applicable to satellite-borne scene.Radio frequency module receives multiple antenna GNSS radio frequency signal input, and completes amplification, combination and power division processing;Navigation module is based on integrated navigation chip and completes GNSS signal acquisition, tracking and positioning;Control module is based on main control CPU and completes communication with on-board subsystem, control instruction receiving and execution etc.;Bottom plate is used to provide interconnection between modules, external interface and basic power supply.The application is applicable to complex satellite-borne scene, has reconfigurable characteristics, has flexibility, universality and reliability, can greatly reduce design cost, realizes batch production capacity.

1. The name of the design product: intelligent tool management cabinet. 2. The use of the design product: the design product is used for the tool management cabinet of the personnel of the power grid basic power supply station to carry out meter installation and power connection, electricity inspection and line patrol. 3. The design points of the design product: in shape. 4. The picture or photo that can best show the design points: perspective view.

The application relates to the technical field of power supply, and discloses a power supply scheme generation method and device fusing multi-modal data, equipment and a medium; the method comprises the following steps: fusing multi-source data and user power consumption description text, performing feature extraction on the fused data to obtain a fused feature vector; performing semantic analysis on the fused feature vector to generate structured power consumption information; calculating the comprehensive matching degrees of each template in a power supply scheme template library and current power consumption demand based on the structured power consumption information, selecting a template with the highest comprehensive matching degree as a basic power supply scheme template; performing equipment parameter calculation and filling on the basic power supply scheme template based on the structured power consumption information, and performing multi-objective optimization on the filled power supply scheme based on an optimization target to generate a target power supply scheme. The application effectively solves the problems in traditional power supply scheme generation, such as inaccurate demand grasping, low-efficiency scheme matching, unreasonable equipment parameters, and difficulty in balancing cost and reliability.

The application discloses a mobile phone OTG self-adaptive boost control method and system based on load fingerprint identification and belongs to the technical field of power management. In view of the problem that when the mobile phone OTG reversely supplies power, the traditional boost control cannot adapt to the transient power consumption of heterogeneous peripherals and voltage drop is prone to occurring, the application proposes that after the mobile phone and the peripheral complete USB PD protocol negotiation and establish basic power supply, electrical fluctuation data in the standby state of the peripheral is collected, load electrical characteristic fingerprints are constructed in combination with E-Mark information and PD application parameters; the type of the peripheral is identified by using a lightweight neural network, and a typical power consumption atlas in the cloud is called; and the transient response parameters of the boost converter are dynamically configured according to this, including the current ramping rate and loop compensation, so that adaptive boost output is realized. The application can effectively inhibit the peripheral starting transient voltage drop and improve the OTG power supply stability and conversion efficiency.

The invention relates to the technical field of chip testing, and particularly discloses an automatic chip testing method and system based on self-learning, and the method comprises the steps: integrating PE, PMU and DPS resources into a single board card in a unified manner, carrying out the function reconstruction of a part of PMU measurement units, and enabling the PMU measurement units to serve as fixed VCC power supply resources; according to the design of a Force line and a Sense line on a PCB, the Force line and the Sense line are arranged in a parallel and isolated mode with the distance not smaller than 0.5 mm, and the Force line and the Sense line are far away from an edge interference source of a board card; the integrated board cards respectively correspond to numbered DUTs, and distribute independent DPS as a basic power supply channel, and simultaneously distribute digital channels one by one according to the required number of each DUT. According to the invention, the parallel testing capability and the testing efficiency can be greatly improved, and the testing cost and the expansion difficulty are reduced.