Disclosed is an arc fault detection method, including: obtaining a current signal of a direct current conversion circuit; performing frequency domain analysis on the current signal to obtain spectrum information of the current signal; calculating a first feature quantity based on an amplitude of a frequency point in the spectrum information that corresponds to a switching frequency of a switching transistor; calculating a second feature quantity based on an amplitude of a frequency point in the spectrum information that is located within a preset target frequency band; and determining, based on the first feature quantity and the second feature quantity, whether an arc fault has occurred in the direct current conversion circuit.
A method for controlling switching of a power device from off-grid operation to grid-connected operation is provided. When a power grid is powered on, a given angular frequency difference required by a voltage-controlled oscillator when a phase of an off-grid output voltage is corrected to a phase of a power grid voltage is directly calculated based on an output phase of the power device in an off-grid mode and a preset angular frequency, and an integral result of a PI controller of a phase-locked loop (PLL) is initially assigned based on the given angular frequency difference. Then the PLL is controlled to start operating, an oscillation angular frequency of the voltage-controlled oscillator is configured based on an output of the PI controller and a preset power grid frequency, and the power device is controlled to connect to the power grid.
09 - Scientific and electric apparatus and instruments
Goods & Services
Rechargeable batteries; Accumulators, electric; Battery packs; Charging appliances for rechargeable equipment; Electric power distribution apparatus; Inverters; Smart home hubs; Electric car charging piles; electric battery system and equipment for use in the storage, supply, transmission, and stabilization of electricity supplied by or to an electric power grid or other source of electric power generation.
37 - Construction and mining; installation and repair services
42 - Scientific, technological and industrial services, research and design
Goods & Services
providing business consultation in the renewable energy fields of energy consumption, energy conservation, storage, energy efficiency, energy generation, and energy use management; business consultation in the field of energy efficiency pertaining to solar and renewable energy; economic forecasting in the field of energy; billing services in the field of energy; providing commercial information and commercial analysis in the field of the energy and electrical industry; providing customers with energy usage management information regarding energy pricing and cost management; tracking and monitoring energy consumption for third parties for accounting audit purposes. Installation, maintenance and repair of solar panels and other equipment for use in converting solar energy into electricity; installation of solar energy systems and consulting related thereto; Installation, integration, maintenance and repair and upgrading of electric battery systems, and consulting related thereto, for the storage, discharge, supply, transmission and stabilization of electricity; Operating, maintaining and regulating electric battery systems for storage, discharge, supply, transmission and stabilization of electricity, and consulting services related thereto; Recharging of batteries and accumulators; Installation, maintenance and repair of electrical appliances; Providing portable battery charging stations; charging of batteries, generators of electricity and electric power storage devices, and rental of equipment therefore; Rental of portable power chargers. Monitoring of electric battery systems for storing and supplying electricity; provision of Software as a Service (SaaS) or non-downloadable software for operating, maintaining, optimizing and regulating electric battery systems for storage, discharge, supply, transmission and stabilization of electricity, and consulting services related thereto; Providing online non-downloadable software for monitoring, optimizing and regulating the storage and discharge of stored energy to and from wirelessly connected electric battery apparatus for home residential use; Installation, maintenance and repair and upgrading of remotely updateable computer software and firmware embedded in wirelessly connected electric battery apparatus, and consulting related thereto, for the storage and discharge of stored electricity for stabilizing and meeting electricity demands and usage goals for home residential use; Management of wirelessly connected electric battery apparatus with embedded software and firmware for the storage and discharge of stored electricity for home residential use by programming and configuring software for electric battery apparatus; Technological consulting services in the field of alternative energy generation; Design and development of software for energy monitoring and management; software as a service [SaaS]; consultancy in the field of energy efficiency.
09 - Scientific and electric apparatus and instruments
Goods & Services
Artificial intelligence software; Downloadable mobile application software; Computer software applications, downloadable; Downloadable operating system software; Chatbot software for simulated conversations; User-programmable unconfigured humanoid robots; Downloadable computer software for searching, browsing, accessing, processing, analyzing, monitoring, understanding websites, user interfaces and data, and taking actions based thereon; Downloadable software for remote control of electric power conduction, distribution, conversion, storage, regulation and management; Flat panel display screens; Portable power supplies (rechargeable batteries); Home smart hubs.
09 - Scientific and electric apparatus and instruments
Goods & Services
Accumulators, electric; Rechargeable batteries; Battery chargers; Charging stations for electric vehicles; Portable power chargers; Portable power supplies (rechargeable batteries)
8.
PRESSURE RELIEF STRUCTURE, BATTERY PACK AND ENERGY STORAGE POWER SUPPLY
A pressure relief structure, a battery pack and an energy storage power supply. The pressure relief structure comprises a housing and an explosion-proof valve, wherein the housing is provided with an accommodating cavity; the explosion-proof valve is mounted on the housing; the housing is provided with an opening in communication with the accommodating cavity; and the explosion-proof valve comprises a rubber cover portion, the rubber cover portion being sealingly disposed at the opening, and the rubber cover portion being configured to at least partially detach from the housing when the air pressure in the accommodating cavity reaches a preset pressure, so as to expose the opening.
This application provides a power failure detection method, including: obtaining a first fundamental wave signal of an alternating current (AC) at a first moment and a second fundamental wave signal at a second moment, where the second moment differs from the first moment by N sampling periods, and N is a positive integer; then obtaining a target signal orthogonal to the first fundamental wave signal based on the first fundamental wave signal and the second fundamental wave signal; quickly obtaining a real-time voltage amplitude of the AC at the first moment based on the first fundamental wave signal and the target signal; and determining a power failure detection result of the AC based on the real-time voltage amplitude.
H02J 9/06 - Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over
A control method for an inverter circuit is provided. When an output current of a T-type three-level inverter circuit is greater than a preset threshold and the circuit is not in an overcurrent protection state, the overcurrent protection state is triggered. When the circuit is in the overcurrent protection state, outputting of a first drive signal is stopped, and a third drive signal is outputted, so that a first switch transistor and a second switch transistor in a first bridge arm are in an off state due to not receiving the first drive signal, and a second bridge arm is alternately turned on due to receiving the third drive signal.
H02M 7/5387 - Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a bridge configuration
A power supply circuit includes a DC/DC conversion module, first/second AC/DC conversion modules, an alternating current input interface, and first/second alternating current output interfaces. A first end of the first AC/DC conversion module is connected to a battery module through the DC/DC conversion module, a first end of the second AC/DC conversion module is connected to the first end of the first AC/DC conversion module through a direct current bus, the first alternating current output interface is connected to a second end of the first AC/DC conversion module and a first terminal of the alternating current input interface, the second alternating current output interface is connected to a second end of the second AC/DC conversion module, both the first and second AC/DC conversion modules may operate in a rectification mode or an inversion mode, and the DC/DC conversion module operates in a discharging mode or a charging mode.
An islanding detection method includes: continuously detecting a voltage frequency at a point of common coupling; calculating, according to the voltage frequency, a frequency deviation of the voltage frequency between two adjacent detections; obtaining, when the frequency deviation is less than a preset frequency threshold, a voltage phase in a preset closed-loop phase-locking manner; obtaining, when the frequency deviation is greater than or equal to the preset frequency threshold, the voltage phase in a preset open-loop phase-locking manner; determining, according to the frequency deviation, the voltage frequency, and the voltage phase, a reference current for injecting a frequency perturbation; controlling, according to the reference current, the grid-connected inverter to output a current to the point of common coupling; and determining, when the voltage frequency exceeds a preset range, that an islanding effect occurs.
H02J 13/00 - Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the networkCircuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
H02J 3/38 - Arrangements for parallelly feeding a single network by two or more generators, converters or transformers
A battery pack control method includes: detecting real-time load power of a multi-battery pack system; and when the real-time load power is less than a first power threshold, and at least two battery packs discharge in parallel, determining a target battery pack from the battery packs discharging in parallel, maintaining a discharge function of the target battery pack, and disabling a discharge function of another battery pack discharging in parallel other than the target battery pack.
A control method of a multi-battery pack system is provided. The method includes: determining a first reference battery pack based on a charging-discharging state of the multi-battery pack system and battery voltages of enabled battery packs; determining a second reference battery pack based on the charging-discharging state of the multi-battery pack system and battery voltages of non-enabled battery packs; determining a to-be-turned off battery pack and a to-be-turned on battery pack based on a battery voltage of the first reference battery pack and a battery voltage of the second reference battery pack; and controlling to turn off the to-be-turned off battery pack and turn on the to-be-turned on battery pack.
H01M 10/48 - Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
18.
ADDRESS ASSIGNMENT METHOD, ELECTRONIC DEVICE, MULTI-DEVICE SYSTEM, AND STORAGE MEDIUM
This application provides an address assignment method. According to the method, when an address assignment request is received through a first parallel port, an address assignment function of a parallel port other than the first parallel port is disabled; an address assignment instruction is sent to the first parallel port; and when an address configuration complete instruction is received through the first parallel port, the address assignment function of the parallel port other than the first parallel port is enabled.
A control method of a power supply circuit is provided. The power supply circuit includes an AC/DC conversion circuit, a DC/DC conversion circuit, a BOOST circuit, and a BUCK/BOOST circuit that are commonly connected to a DC bus, a first device is connected to a first end of the AC/DC conversion circuit, and a DC load is connected to a second end of the BUCK/BOOST circuit. A bus voltage of the DC bus and a photovoltaic output voltage of a first photovoltaic module are obtained, and when the photovoltaic output voltage is greater than a preset input voltage, operating states of the AC/DC conversion circuit, the DC/DC conversion circuit, the BOOST circuit, and the BUCK/BOOST circuit are respectively controlled according to demand power of the first device, demand power of a battery module, demand power of a DC load, and the bus voltage.
A method for controlling a buck-boost circuit includes: obtaining an input voltage and an output voltage; controlling the buck-boost circuit to enter a buck-boost mode when an absolute value of a voltage difference between the input voltage and the output voltage is less than a preset voltage threshold; and executing within each control cycle: in a first stage, controlling both first and second low-side switching transistors to be conductive and controlling both first and second high-side switching transistors to be non-conductive; in a second stage, controlling both the first and second high-side switching transistors to be conductive and controlling both first and second low-side switching transistors to be non-conductive; and in a third stage, controlling both the first and second high-side switching transistors to be conductive and controlling both the first and second low-side switching transistors to be non-conductive.
H02M 3/158 - Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load
H02M 1/08 - Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters
H02M 3/07 - Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using resistors or capacitors, e.g. potential divider using capacitors charged and discharged alternately by semiconductor devices with control electrode
21.
POWER OUTPUT METHOD AND APPARATUS FOR GENERATOR, GENERATOR, AND POWER GENERATION AND ENERGY STORAGE SYSTEM
A power output method for a generator includes: when it is detected that an energy storage device is connected, obtaining required power of the energy storage device; sending a first inquiry instruction to the energy storage device, where the first inquiry instruction is used to inquire whether the energy storage device consents to switching of the required power to rated generating power, the rated generating power being corresponding power used when fuel utilization of a generator reaches preset fuel utilization; and when receiving a first consent signal fed back by the energy storage device, generating power using the rated generating power as target generating power, to supply power to the energy storage device; or when receiving a first rejection signal fed back by the energy storage device, generating power using the required power as target generating power, to supply power to the energy storage device.
H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
H02J 7/14 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from dynamo-electric generators driven at varying speed, e.g. on vehicle
09 - Scientific and electric apparatus and instruments
Goods & Services
Electricity meters; Smart meters; Electricity measuring instruments; Electrical measuring equipment; Plugs, sockets and other contacts [electric connections]; Smart home hubs; Chargers for smartphones; Electric power distribution apparatus; Uninterruptible electrical power supplies; Surge protectors; Wireless chargers; Electric control devices for energy management; Flat panel displays; Ethernet switches; Control panels [electricity].
23.
GENERATOR, CONTROL METHOD OF GENERATOR AND POWER GENERATION AND ENERGY STORAGE SYSTEM
A generator comprises a starting battery module, a first control module, a power generation module, a switch module and a charging end. The charging end is used for connecting to an energy storage device so as to acquire electric energy from the energy storage device. The switch module is connected between the starting battery module and the charging end and is used for turning on or cutting off the connection between the starting battery module and the charging end. The first control module is used for controlling, when the energy storage device is connected and the power generation module is not started, the switch module to turn on the connection between the starting battery module and the charging end so as to charge the starting battery module.
H02J 7/14 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from dynamo-electric generators driven at varying speed, e.g. on vehicle
H02P 9/08 - Control of generator circuit during starting or stopping of driving means, e.g. for initiating excitation
H02P 9/30 - Arrangements for controlling electric generators for the purpose of obtaining a desired output by variation of field using discharge tubes or semiconductor devices using semiconductor devices
09 - Scientific and electric apparatus and instruments
Goods & Services
Inverters; Photovoltaic inverters; Rechargeable batteries; Accumulators and batteries; Charging appliances for rechargeable equipment; Solar batteries; Uninterruptible electrical power supplies
25.
PROTECTION METHOD FOR POWER CONVERSION CIRCUIT, POWER CONVERSION APPARATUS, AND STORAGE MEDIUM
A protection method for a power conversion circuit is provided, including: calculating an attenuation amount of conversion efficiency of the power conversion circuit within a preset duration when the power conversion circuit is in a steady state; monitoring the attenuation amount based on a preset attenuation threshold, and obtaining a duration for which the attenuation amount is greater than the preset attenuation threshold; and performing a preset protection operation when the duration is greater than a preset protection duration.
A charging control method, comprising: acquiring a first state parameter of an electronic device connected to a portable energy storage device; and generating a corresponding battery maintenance control instruction on the basis of the first state parameter, wherein the battery maintenance control instruction is used for performing discharge control on the portable energy storage device, so that the electronic device is charged to change the first state parameter of the electronic device.
A power converter control method. In a power converter (10), a rectifier bridge arm (101), an inverter bridge arm (102), a common bridge arm (103), and a direct-current bus capacitor (Cbus) are connected in parallel between a positive direct-current bus (BUS+) and a negative direct-current bus (BUS-); the midpoint of the common bridge arm (103) serves as a neutral wire terminal (N); the midpoint of the rectifier bridge arm (101) is connected to a first end of a first inductor (Lf1); a second end of the first inductor (Lf1) is used as a first live wire terminal (L1); the midpoint of the inverter bridge arm (102) is connected to a first end of a second inductor (Lf2); a second end of the second inductor (Lf2) is used as a second live wire terminal (L2); and when an alternating-current power supply is accessed between the first live wire terminal (L1) and the neutral wire terminal (N), and alternating-current loads (R1, R2) are accessed between the first live wire terminal (L1) and the second live wire terminal (L2) or between the second live wire terminal (L2) and the neutral wire terminal (N), the common bridge arm (103) is controlled on the basis of a modulation wave signal of a driving signal of the inverter bridge arm (102).
H02M 7/797 - Conversion of AC power input into DC power outputConversion of DC power input into AC power output with possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
09 - Scientific and electric apparatus and instruments
Goods & Services
Batteries, electric; Accumulators, electric; Lithium ion batteries; Battery boxes; Charging appliances for rechargeable equipment; Battery chargers; Battery charging equipment in the nature of batteries and battery chargers; Uninterruptible power supplies
09 - Scientific and electric apparatus and instruments
Goods & Services
(1) Accumulators being electrical storage batteries; battery boxes; chargers for electric accumulators; galvanic cells; lithium iron phosphate batteries; lithium-ion batteries; power banks; uninterruptible power supply apparatus
An arc fault detection method, comprising: acquiring a current signal of a direct-current conversion circuit (S110); performing frequency domain analysis on the current signal to obtain frequency spectrum information of the current signal, the frequency spectrum information comprising amplitudes of a plurality of frequency points (S120); calculating a first characteristic quantity on the basis of the amplitudes of the frequency points in the frequency spectrum information corresponding to the switching frequency of switching transistors (S130); calculating a second characteristic quantity on the basis of the amplitudes of the frequency points in the frequency spectrum information within a preset target frequency band (S140); and determining an arc fault detection result of the direct-current conversion circuit on the basis of the first characteristic quantity and the second characteristic quantity (S150).
A voltage conversion circuit includes: an AC/DC conversion unit, a DC/DC conversion unit, a first control unit, and a second control unit. The AC/DC conversion unit is connected to the DC/DC conversion unit through a direct current bus. The first control unit is configured to obtain a bus voltage on the direct current bus, and generate a first control signal when the bus voltage is less than a first voltage threshold; and the second control unit is configured to enter a heavy load mode when the first control signal is received, and output a first drive signal to the DC/DC conversion unit, where a duty cycle of the first drive signal is greater than a duty cycle of a drive signal output by the second control unit in a non-heavy load mode.
H02M 1/088 - Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters for the simultaneous control of series or parallel connected semiconductor devices
H02M 1/36 - Means for starting or stopping converters
H02M 3/00 - Conversion of DC power input into DC power output
H02M 3/158 - Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load
H02M 7/217 - Conversion of AC power input into DC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
An SOC calculation method includes: obtaining a battery core voltage of a battery module in a discharging state; obtaining a discharge parameter of the battery module when the battery core voltage is less than or equal to a preset voltage, where the preset voltage is greater than an under-voltage protection voltage of the battery module; obtaining a first voltage difference between the preset voltage and the battery core voltage; calculating a correction coefficient of an SOC according to the first voltage difference and the discharge parameter, where the correction coefficient is positively correlated with the discharge parameter and inversely correlated with the battery core voltage; and calculating a value of the SOC according to a rated full-load capacity of the battery module, the discharge parameter, and the correction coefficient.
An off-grid mode-to-grid-connected mode switching control method for a power device, comprising: when a power grid is on, directly calculating, on the basis of an output phase of a power device in an off-grid mode and a preset angular frequency, a given angular frequency difference required by a voltage-controlled oscillator when the phase of an off-grid output voltage is corrected to the phase of a power grid voltage; carrying out initial assignment for an integral result of a PI controller of a phase-locked loop on the basis of the given angular frequency difference, and then controlling the phase-locked loop to start working; configuring the oscillation angular frequency of the voltage-controlled oscillator on the basis of an output of the PI controller and the preset power grid frequency; and controlling the power device to be grid-connected.
09 - Scientific and electric apparatus and instruments
Goods & Services
(1) Automotive battery chargers; chargers for general purpose batteries; charging stations for electric vehicles; electric vehicle chargers; electric wires and cables; mobile charging stations for electric vehicles
09 - Scientific and electric apparatus and instruments
Goods & Services
Battery charging devices for motor vehicles used for charging electric vehicles, installed in a home and commercial settings which work in connection with generators and solar panels for the purposes of using solar power to power electric vehicles; Charging stations for electric vehicles used for charging electric vehicles, installed in a home and commercial settings which work in connection with generators and solar panels for the purposes of using solar power to power electric vehicles
A charging control method is provided. The method includes: determining, according to a quantity of parallel photovoltaic panels and a rated maximum output power of each photovoltaic panel, an estimated maximum output power of a photovoltaic module; determining, when the estimated maximum output power is greater than a maximum charging power of a target device, a maximum absolute safe photovoltaic panel parallel quantity Z of the photovoltaic module; operating Z photovoltaic panels, determining an actual maximum output power of each photovoltaic panel in the Z photovoltaic panels, and determining an actual maximum safe photovoltaic panel parallel quantity Y of the photovoltaic module according to the actual maximum output power of each photovoltaic panel in the Z photovoltaic panels and the maximum charging power; and increasing a quantity of operating photovoltaic panels according to Z and Y.
The present application provides a power failure detection method, comprising: obtaining a first fundamental wave signal of an alternating current at a first moment and a second fundamental wave signal of the alternating current at a second moment, wherein the second moment differs from the first moment by N sampling periods, and N is a positive integer; then on the basis of the first fundamental wave signal and the second fundamental wave signal, obtaining a target signal orthogonal to the first fundamental wave signal; on the basis of the first fundamental wave signal and the target signal, rapidly obtaining a real-time voltage amplitude of the alternating current at the first moment; and on the basis of the real-time voltage amplitude, determining a power failure detection result of the alternating current.
G01R 19/165 - Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
G01R 19/04 - Measuring peak values of AC or of pulses
H02J 9/06 - Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over
Heat pumps; heating apparatus; heating apparatus, electric; heating elements; water heaters; Air heaters; solar water heaters; Electric heaters; electrically heated carpets; heating rods; none of the aforementioned goods being for or relating to aquaria (aquariums) or terraria (terrariums).
Heat pumps; heating apparatus; heating apparatus, electric; heating elements; water heaters; Air heaters; solar water heaters; Electric heaters; electrically heated carpets; heating rods.
43.
CONTROL METHOD FOR INVERTER CIRCUIT, A POWER CONVERSION DEVICE, AND ENERGY STORAGE APPARATUS
A control method for an inverter circuit, comprising: when the output current of a T-type three-level inverter circuit is greater than a preset threshold and the T-type three-level inverter circuit is not in an overcurrent protection state, triggering the overcurrent protection state; and when the T-type three-level inverter circuit is in the overcurrent protection state, stopping outputting a first driving signal, and outputting a third driving signal, so that a first switching transistor and a second switching transistor in a first bridge arm are in a cut-off state because the first driving signal is not received, and a second bridge arm is alternately turned on because the third driving signal is received.
H02M 7/5387 - Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a bridge configuration
H02M 7/5395 - Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters with automatic control of output wave form or frequency by pulse-width modulation
H02M 1/088 - Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters for the simultaneous control of series or parallel connected semiconductor devices
Provided are a power supply circuit and an energy storage device. The power supply circuit comprises a direct-current/direct-current (DC/DC) conversion module, a first alternating-current/direct-current (AC/DC) conversion module, a second AC/DC conversion module, an AC input interface, a first AC output interface and a second AC output interface, wherein a first end of the first AC/DC conversion module is connected to a battery module by means of the DC/DC conversion module, a first end of the second AC/DC conversion module is connected to the first end of the first AC/DC conversion module by means of a DC bus, the first AC output interface is connected to a second end of the first AC/DC conversion module and a first terminal of the AC input interface, and the second AC output interface is connected to a second end of the second AC/DC conversion module; and both the first AC/DC conversion module and the second AC/DC conversion module can operate in a rectification mode or an inversion mode, and the DC/DC conversion module operates in a discharging mode or a charging mode.
H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
H02J 7/06 - Regulation of the charging current or voltage using discharge tubes or semiconductor devices
H02J 9/06 - Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over
An islanding detection method, comprising: continuously detecting the voltage frequency at a point of common coupling; calculating a frequency deviation of the voltage frequency between two adjacent detections according to the voltage frequency; when the frequency deviation is less than a preset frequency threshold, obtaining a voltage phase by means of a preset closed-loop phase locking mode; when the frequency deviation is greater than or equal to the preset frequency threshold, obtaining the voltage phase by means of a preset open-loop phase locking mode; determining an injected reference current with frequency disturbance according to the frequency deviation, the voltage frequency, and the voltage phase; according to the reference current, controlling a grid-tie inverter to output a current to the point of common coupling ; and when the voltage frequency exceeds a preset range, determining that an islanding effect occurs.
G01R 31/00 - Arrangements for testing electric propertiesArrangements for locating electric faultsArrangements for electrical testing characterised by what is being tested not provided for elsewhere
G01R 23/02 - Arrangements for measuring frequency, e.g. pulse repetition rateArrangements for measuring period of current or voltage
G01R 25/00 - Arrangements for measuring phase angle between a voltage and a current or between voltages or currents
09 - Scientific and electric apparatus and instruments
Goods & Services
(1) Accumulators being electrical storage batteries; chargers for electric accumulators; charging stations for electric vehicles; current collectors; current converters; distribution boxes for electrical power; electric adapter cables; electric cables; electric connectors; electric current switches; electric power converters; electric power distribution units; electric transformers; electrical relays; inverters for power supply; junction boxes; photovoltaic installations for generating solar electricity; photovoltaic inverters; power banks; power inverters; rectifiers; remote control receivers; smart home hubs; solar panels for the production of electricity; uninterruptible power supply apparatus; wires, electric
09 - Scientific and electric apparatus and instruments
Goods & Services
Downloadable software applications for mobile phones; cables, electric; wires, electric; Cable adapters; Distribution boxes for electrical power; electric power distribution apparatus; transformers [electricity]; collectors, electric; connectors [electricity]; current rectifiers; converters, electric; inverters [electricity]; photovoltaic inverters; electrical adapters; junction boxes [electricity]; switches, electric; relays, electric; remote control apparatus; electric apparatus for commutation; accumulators, electric; rechargeable batteries; battery chargers; solar panels for the production of electricity; photovoltaic apparatus and installations for generating solar electricity; charging stations for electric vehicles; Portable power supplies (rechargeable batteries); portable power chargers.
49.
POWER OUTPUT METHOD AND APPARATUS FOR GENERATOR, GENERATOR, AND ELECTRICITY GENERATION AND ENERGY STORAGE SYSTEM
A power output method and apparatus for a generator, a generator, and an electricity generation and energy storage system. The method comprises: when connection of an energy storage device is detected, acquiring required power of the energy storage device; sending a first inquiry instruction to the energy storage device, the first inquiry instruction being used for inquiring whether the energy storage device consents to switch the required power to rated electricity generation power or not, wherein the rated electricity generation power is corresponding power of a generator when the fuel utilization rate reaches a preset fuel utilization rate; upon receiving a first consent signal fed back by the energy storage device, generating electricity by taking the rated electricity generation power as target electricity generation power so as to supply the electricity to the energy storage device; and upon receiving a first rejection signal fed back by the energy storage device, generating electricity by taking the required power as the target electricity generation power so as to supply the electricity to the energy storage device.
Provided is a control method for a photovoltaic energy storage device (13). The method comprises: when a photovoltaic panel (11) supplies power to a load (14) on an alternating-current bus by means of a photovoltaic inverter (12), acquiring, at a first cycle, first compensation power which is outputted to the alternating-current bus by an alternating-current power grid (15) (S101); acquiring second compensation power, which is outputted to the photovoltaic inverter (12) by a direct-current conversion circuit (131) (S102); determining target output power of the direct-current conversion circuit (131) according to the first compensation power and the second compensation power (S103); and within the first cycle, controlling the direct-current conversion circuit (131) to perform power compensation on the photovoltaic inverter (12) at a preset compensation cycle, wherein output power of the direct-current conversion circuit (131) within each preset compensation cycle is constant, the output power within two adjacent preset compensation cycles changes cycle by cycle until the output power of the direct-current conversion circuit (131) is within an allowable range of the target output power, and the duration of the preset compensation cycle is greater than the duration in which the photovoltaic inverter (12) executes maximum power tracking (S104).
H02M 3/158 - Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load
H02M 3/335 - Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
H02J 3/38 - Arrangements for parallelly feeding a single network by two or more generators, converters or transformers
51.
CONTROL METHOD FOR MULTI-BATTERY-PACK SYSTEM, AND POWER CONVERSION DEVICE AND ENERGY STORAGE DEVICE
A control method for a multi-battery-pack system, the method comprising: determining a first reference battery pack according to a charging and discharging state of a multi-battery-pack system and a battery voltage of each enabled battery pack; determining a second reference battery pack according to the charging and discharging state of the multi-battery-pack system and a battery voltage of each unenabled battery pack; according to a battery voltage of the first reference battery pack and a battery voltage of the second reference battery pack, determining a battery pack to be closed and a battery pack to be opened, and controlling the battery pack to be closed to close, and controlling the battery pack to be opened to open.
A battery pack control method, comprising: detecting a real-time load power of a multi-battery pack system; and when the real-time load power is less than a first power threshold and at least two battery packs are discharging in parallel, determining a target battery pack from among the battery packs discharging in parallel, maintaining the discharging function of the target battery pack, and turning off the discharging function of the other battery pack(s) discharging in parallel besides the target battery pack.
A control method for a photovoltaic energy-storage device, the method comprising: when a photovoltaic panel does not output electric energy, acquiring a load demand power; according to the load demand power, generating a first drive signal; acquiring an output voltage of a direct-current conversion circuit; and if the output voltage of the direct-current conversion circuit is greater than a preset open-circuit voltage, outputting a second drive signal to the direct-current conversion circuit, until the output voltage of the direct-current conversion circuit is not greater than the open-circuit voltage. When it is detected that an output voltage of a direct-current conversion circuit is greater than an open-circuit voltage, a duty ratio of a switching tube of the direct-current conversion circuit is controlled to decrease, such that the output voltage of the direct-current conversion circuit is not greater than the open-circuit voltage, thereby avoiding an overload of the direct-current conversion circuit.
H02M 3/158 - Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load
H02J 3/32 - Arrangements for balancing the load in a network by storage of energy using batteries with converting means
H02J 3/38 - Arrangements for parallelly feeding a single network by two or more generators, converters or transformers
H02J 7/35 - Parallel operation in networks using both storage and other DC sources, e.g. providing buffering with light sensitive cells
H02J 3/28 - Arrangements for balancing the load in a network by storage of energy
54.
ADDRESS ALLOCATION METHOD, ELECTRONIC DEVICE, MULTI-DEVICE SYSTEM, AND STORAGE MEDIUM
The present application provides an address allocation method. In the method, when an address allocation request is received by means of a first parallel port, disabling an address allocation function of parallel ports other than the first parallel port and sending an address allocation instruction to the first parallel port; and when an address configuration completion instruction is received by means of the first parallel port, enabling the address allocation function of parallel ports other than the first parallel port.
A control method for a Buck-Boost circuit. The method comprises: acquiring an input voltage and acquiring an output voltage; when an absolute value of a voltage difference between the input voltage and the output voltage is less than a preset voltage threshold value, controlling a Buck-Boost circuit to enter a Buck-Boost mode; and executing the following operations within each control period: in a first stage, controlling both a first lower switch tube and a second lower switch tube to turn on, and controlling both a first upper switch tube and a second upper switch tube to turn off; in a second stage, controlling both the first upper switch tube and the second lower switch tube to turn on, and controlling both the first lower switch tube and the second upper switch tube to turn off; and in a third stage, controlling both the first upper switch tube and the second upper switch tube to turn on, and controlling both the first lower switch tube and the second lower switch tube to turn off.
H02M 3/158 - Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load
H02M 1/088 - Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters for the simultaneous control of series or parallel connected semiconductor devices
56.
POWER SUPPLY CIRCUIT CONTROL METHOD, POWER SUPPLY CIRCUIT, AND ENERGY STORAGE DEVICE
A power supply circuit control method. A power supply circuit comprises an AC/DC conversion circuit, a DC/DC conversion circuit, a BOOST circuit, and a BUCK/BOOST circuit which are jointly connected to a direct current bus. A first device is connected to a first end of the AC/DC conversion circuit, and a direct current load is connected to a second end of the BUCK/BOOST circuit. A bus voltage of the direct current bus and a photovoltaic output voltage of a first photovoltaic assembly are acquired, and when the photovoltaic output voltage is greater than a preset input voltage, the working states of the AC/DC conversion circuit, the DC/DC conversion circuit, the BOOST circuit, and the BUCK/BOOST circuit are respectively controlled according to required power of the first device, required power of a battery module, required power of the direct current load, and the bus voltage.
H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
H02J 7/35 - Parallel operation in networks using both storage and other DC sources, e.g. providing buffering with light sensitive cells
H02M 7/217 - Conversion of AC power input into DC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
H02M 3/155 - Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
H02M 3/158 - Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load
57.
CONTROL METHOD FOR AC/DC CONVERSION CIRCUIT, APPARATUS, AND READABLE STORAGE MEDIUM
A control method for an AC/DC conversion circuit, comprising: controlling the AC/DC conversion circuit to work in a first driving mode, in the first driving mode, the switching frequency of a switching transistor of a first bridge arm being a first frequency, and the switching frequency of a switching transistor of a second bridge arm being a second frequency; when the operation state of the AC/DC conversion circuit meets a preset condition, determining a switching moment according to the AC Voltage of the AC/DC conversion circuit; and starting from the switching moment, controlling an inverter circuit to work in a second driving mode, in the second driving mode, the switching frequency of the switching transistor of the first bridge arm being the second frequency, and the switching frequency of the switching transistor of the second bridge arm being the first frequency.
H02M 7/72 - Conversion of AC power input into DC power outputConversion of DC power input into AC power output with possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
H02M 7/797 - Conversion of AC power input into DC power outputConversion of DC power input into AC power output with possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
H02M 1/08 - Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters
H02M 1/088 - Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters for the simultaneous control of series or parallel connected semiconductor devices
09 - Scientific and electric apparatus and instruments
Goods & Services
(1) Accumulators being electrical storage batteries; battery boxes; chargers for electric accumulators; charging stations for electric vehicles; current collectors; distribution boxes for electrical power; downloadable computer software for operating smart home hubs for connecting, integrating and controlling networked consumer electronic devices, home devices and temperature controls via a wireless computer network; downloadable computer software for smart home hubs for the operation of smart home devices; electric accumulators for vehicles; electric adapter cables; electric cables; electric connectors; electric current switches; electric power converters; electric power distribution units; electric transformers; flat panel display screens; galvanic cells; junction boxes; photovoltaic installations for generating solar electricity; photovoltaic inverters; power banks; power inverters; rectifiers; remote control receivers; smart home hubs; software for monitoring electrical power; solar panels for the production of electricity; touch screen monitors; uninterruptible power supplies; wires, electric
09 - Scientific and electric apparatus and instruments
Goods & Services
Photovoltaic inverters; Rechargeable batteries; Charging appliances for rechargeable equipment; Solar panels for the production of electricity; Photovoltaic systems that convert sunlight into electric and thermal energy; Galvanic batteries; Electric car charging piles; Charging stations for electric vehicles
09 - Scientific and electric apparatus and instruments
Goods & Services
Cables, electric; Wires, electric; Electric adapter cables; Electrical distribution boxes; Electrical power distribution units; Electric transformers; Pantographs being electric current collectors; Electric connectors; Current rectifiers; Converters, electric; Power inverters; Inverters for power supply; Photovoltaic inverters; Electrical adapters; Electric sensors; Electric junction boxes; Switches, electric; Relays, electric; Remote controls for electric video surveillance installations; Transistors; Accumulators, electric; Rechargeable batteries; Charging appliances for rechargeable equipment; Solar panels for the production of electricity; Photovoltaic systems that convert sunlight into electric and thermal energy; Galvanic batteries; Electric car charging piles; Charging stations for electric vehicles
09 - Scientific and electric apparatus and instruments
Goods & Services
Rechargeable batteries; Charging appliances for rechargeable equipment; Solar panels for the production of electricity; Photovoltaic systems that convert sunlight into electric and thermal energy; Galvanic batteries; Electric car charging piles; Charging stations for electric vehicles
09 - Scientific and electric apparatus and instruments
Goods & Services
Cables, electric; Wires, electric; Electric adapter cables; Electrical distribution boxes; Electrical power distribution units; Electric transformers; Pantographs being electric current collectors; Electric connectors; Current rectifiers; Converters, electric; Power inverters; Inverters for power supply; Photovoltaic inverters; Electrical adapters; Electric sensors; Electric junction boxes; Switches, electric; Relays, electric; Remote controls for electric video surveillance installations; Transistors; Accumulators, electric; Rechargeable batteries; Charging appliances for rechargeable equipment; Solar panels for the production of electricity; Photovoltaic systems that convert sunlight into electric and thermal energy; Galvanic batteries; Electric car charging piles; Charging stations for electric vehicles
09 - Scientific and electric apparatus and instruments
Goods & Services
Cables, electric; Wires, electric; Electric adapter cables; Electrical distribution boxes; Electrical power distribution units; Electric transformers; Pantographs being electric current collectors; Electric connectors; Current rectifiers; Converters, electric; Power inverters; Inverters for power supply; Photovoltaic inverters; Electrical adapters; Electric sensors; Electric junction boxes; Switches, electric; Relays, electric; Remote controls for electric video surveillance installations; Transistors; Accumulators, electric; Rechargeable batteries; Charging appliances for rechargeable equipment; Solar panels for the production of electricity; Photovoltaic systems that convert sunlight into electric and thermal energy; Galvanic batteries; Electric car charging piles; Charging stations for electric vehicles
09 - Scientific and electric apparatus and instruments
Goods & Services
Cables, electric; Wires, electric; Electric adapter cables; Electrical distribution boxes; Electrical power distribution units; Electric transformers; Pantographs being electric current collectors; Electric connectors; Current rectifiers; Converters, electric; Power inverters; Inverters for power supply; Photovoltaic inverters; Electrical adapters; Electric sensors; Electric junction boxes; Switches, electric; Relays, electric; Remote controls for electric video surveillance installations; Transistors; Accumulators, electric; Rechargeable batteries; Charging appliances for rechargeable equipment; Solar panels for the production of electricity; Photovoltaic systems that convert sunlight into electric and thermal energy; Galvanic batteries; Electric car charging piles; Charging stations for electric vehicles
09 - Scientific and electric apparatus and instruments
Goods & Services
Cables, electric; wires, electric; Electric adapter cables; Electrical distribution boxes; Electrical power distribution units; Electric transformers; Electric connectors; Current rectifiers; converters, electric; Power inverters; photovoltaic inverters; electrical adapters; Electric sensors; Electric junction boxes; Switches, electric; Relays, electric; Electric apparatus for commutation, namely, commutators; Accumulators, electric; Rechargeable batteries; Charging appliances for rechargeable equipment; solar panels for the production of electricity; Charging stations for electric vehicles; electric battery systems and equipment for the storage, supply, transmission and stabilization of electricity supplied by or for electric power grids or other sources of electricity generation, namely, power supplies, batteries, electricity distribution consoles, battery chargers; Flat panel display screens; Interactive touch screen terminals; Apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling the distribution or use of electricity; Photovoltaic systems that convert sunlight into electric and thermal energy; Uninterruptible electrical power supplies
An output control method for an energy storage device comprises: when an alternating-current output interface is connected to a load, measuring an output current and output voltage of an inverter circuit; when the output current is greater than or equal to a preset current threshold, reducing a reference voltage of the inverter circuit according to a current difference between the preset current threshold and the output current; determining a reference frequency of the inverter circuit according to the reference voltage and a preset proportional constant; and generating a control signal according to the output voltage, the reference voltage, a preset voltage threshold and the reference frequency, so as to control the inverter circuit to reduce the output current, and to control the output voltage of the inverter circuit to be not less than the preset voltage threshold.
A synchronous data processing method, comprising: sending a preset synchronization frame to a plurality of slave devices, wherein the preset synchronization frame is used for instructing each of the slave devices to enter an edge-triggered mode; sending synchronization data to the plurality of slave devices, wherein the synchronization data is used for instructing each of the slave devices to start data sampling upon the reception of a first edge of the synchronization data; receiving a transmission time, which is sent by each of the slave devices, wherein the transmission time is a total time for receiving the synchronization data, which total time is recorded by the slave device in the edge-triggered mode; calculating relative time offsets between the plurality of slave devices according to the transmission times, which are sent by the slave devices; receiving sampled data, which is returned by each of the slave devices; and processing the sampled data according to the relative time offsets, so as to obtain synchronous sampled data of the plurality of slave devices.
G06F 16/27 - Replication, distribution or synchronisation of data between databases or within a distributed database systemDistributed database system architectures therefor
09 - Scientific and electric apparatus and instruments
Goods & Services
(1) Accumulators being electrical storage batteries; chargers for electric accumulators; charging stations for electric vehicles; current collectors; current converters; distribution boxes for electrical power; electric accumulators for vehicles; electric adapter cables; electric cables; electric connectors; electric current switches; electric power converters; electric power distribution units; electric transformers; electrical relays; galvanic cells; inverters for power supply; junction boxes; photovoltaic installations for generating solar electricity; photovoltaic inverters; power inverters; rechargeable lithium batteries; rectifiers; remote control receivers; smart home hubs; solar panels for the production of electricity; thermal sensors; wires, electric
09 - Scientific and electric apparatus and instruments
Goods & Services
(1) Accumulators being electrical storage batteries; chargers for electric accumulators; charging stations for electric vehicles; current collectors; current converters; distribution boxes for electrical power; electric accumulators for vehicles; electric adapter cables; electric cables; electric connectors; electric current switches; electric power converters; electric power distribution units; electric transformers; electrical relays; galvanic cells; inverters for power supply; junction boxes; photovoltaic installations for generating solar electricity; photovoltaic inverters; power inverters; rechargeable lithium batteries; rectifiers; remote control receivers; smart home hubs; solar panels for the production of electricity; thermal sensors; wires, electric
09 - Scientific and electric apparatus and instruments
Goods & Services
(1) Accumulators being electrical storage batteries; chargers for electric accumulators; charging stations for electric vehicles; current collectors; current converters; distribution boxes for electrical power; electric accumulators for vehicles; electric adapter cables; electric cables; electric connectors; electric current switches; electric power converters; electric power distribution units; electric transformers; electrical relays; galvanic cells; inverters for power supply; junction boxes; photovoltaic installations for generating solar electricity; photovoltaic inverters; power inverters; rechargeable lithium batteries; rectifiers; remote control receivers; smart home hubs; solar panels for the production of electricity; thermal sensors; wires, electric
09 - Scientific and electric apparatus and instruments
Goods & Services
(1) Accumulators being electrical storage batteries; chargers for electric accumulators; charging stations for electric vehicles; current collectors; current converters; distribution boxes for electrical power; electric accumulators for vehicles; electric adapter cables; electric cables; electric connectors; electric current switches; electric power converters; electric power distribution units; electric transformers; electrical relays; galvanic cells; inverters for power supply; junction boxes; photovoltaic installations for generating solar electricity; photovoltaic inverters; power inverters; rechargeable lithium batteries; rectifiers; remote control receivers; smart home hubs; solar panels for the production of electricity; thermal sensors; wires, electric;
09 - Scientific and electric apparatus and instruments
Goods & Services
(1) Accumulators being electrical storage batteries; chargers for electric accumulators; charging stations for electric vehicles; current collectors; current converters; distribution boxes for electrical power; electric accumulators for vehicles; electric adapter cables; electric cables; electric connectors; electric current switches; electric power converters; electric power distribution units; electric transformers; electrical relays; galvanic cells; inverters for power supply; junction boxes; photovoltaic installations for generating solar electricity; photovoltaic inverters; power inverters; rechargeable lithium batteries; rectifiers; remote control receivers; smart home hubs; solar panels for the production of electricity; thermal sensors; wires, electric
09 - Scientific and electric apparatus and instruments
Goods & Services
(1) Accumulators being electrical storage batteries; chargers for electric accumulators; charging stations for electric vehicles; current collectors; current converters; distribution boxes for electrical power; electric accumulators for vehicles; electric adapter cables; electric cables; electric connectors; electric current switches; electric power converters; electric power distribution units; electric transformers; electrical relays; galvanic cells; inverters for power supply; junction boxes; photovoltaic installations for generating solar electricity; photovoltaic inverters; power inverters; rechargeable lithium batteries; rectifiers; remote control receivers; smart home hubs; solar panels for the production of electricity; thermal sensors; wires, electric
09 - Scientific and electric apparatus and instruments
Goods & Services
Cables, electric; wires, electric; Cable adapters; Distribution boxes [electricity]; Electric power distribution apparatus; Transformers [electricity]; Collectors, electric; connectors [electricity]; Current rectifiers; converters, electric; Inverters [electricity]; Inverters for power supply; photovoltaic inverters; electrical adapters; Sensors; Junction boxes [electricity]; Switches, electric; Relays, electric; Remote control apparatus; Electric apparatus for commutation; Accumulators, electric; Rechargeable batteries; Charging appliances for rechargeable equipment; solar panels for the production of electricity; Photovoltaic apparatus and installations for generating solar electricity; Galvanic batteries; Electric car charging piles; Charging stations for electric vehicles; none of the foregoing relating to software, watches and bracelets.
09 - Scientific and electric apparatus and instruments
Goods & Services
Cables, electric; wires, electric; Cable adapters; Distribution boxes [electricity]; Electric power distribution apparatus; Transformers [electricity]; Collectors, electric; connectors [electricity]; Current rectifiers; converters, electric; Inverters [electricity]; Inverters for power supply; photovoltaic inverters; electrical adapters; Sensors; Junction boxes [electricity]; Switches, electric; Relays, electric; Remote control apparatus; Electric apparatus for commutation; Accumulators, electric; Rechargeable batteries; Charging appliances for rechargeable equipment; solar panels for the production of electricity; Photovoltaic apparatus and installations for generating solar electricity; Galvanic batteries; Electric car charging piles; Charging stations for electric vehicles.
09 - Scientific and electric apparatus and instruments
Goods & Services
Cable adapters; Distribution boxes [electricity]; Transformers [electricity]; Collectors, electric; connectors [electricity]; Current rectifiers; converters, electric; Inverters [electricity]; Inverters for power supply; photovoltaic inverters; electrical adapters; Sensors; Junction boxes [electricity]; Switches, electric; Relays, electric; Remote control apparatus; Electric apparatus for commutation; Rechargeable batteries; Charging appliances for rechargeable equipment; solar panels for the production of electricity; Photovoltaic apparatus and installations for generating solar electricity; Galvanic batteries.
09 - Scientific and electric apparatus and instruments
Goods & Services
Cables, electric; wires, electric; Cable adapters; Distribution boxes [electricity]; Electric power distribution apparatus; Transformers [electricity]; Collectors, electric; connectors [electricity]; Current rectifiers; converters, electric; Inverters [electricity]; Inverters for power supply; photovoltaic inverters; electrical adapters; Sensors; Junction boxes [electricity]; Switches, electric; Relays, electric; Remote control apparatus; Electric apparatus for commutation; Accumulators, electric; Rechargeable batteries; Charging appliances for rechargeable equipment; solar panels for the production of electricity; Photovoltaic apparatus and installations for generating solar electricity; Galvanic batteries; Electric car charging piles; Charging stations for electric vehicles.
09 - Scientific and electric apparatus and instruments
Goods & Services
Cables, electric; wires, electric; Cable adapters; Distribution boxes [electricity]; Electric power distribution apparatus; Transformers [electricity]; Collectors, electric; connectors [electricity]; Current rectifiers; converters, electric; Inverters [electricity]; Inverters for power supply; photovoltaic inverters; electrical adapters; Sensors; Junction boxes [electricity]; Switches, electric; Relays, electric; Remote control apparatus; Electric apparatus for commutation; Accumulators, electric; Rechargeable batteries; Charging appliances for rechargeable equipment; solar panels for the production of electricity; Photovoltaic apparatus and installations for generating solar electricity; Galvanic batteries; Electric car charging piles; Charging stations for electric vehicles.
81.
ELECTRIC POWER MANAGEMENT METHOD, AND ENERGY STORAGE DEVICE AND STORAGE MEDIUM
An electric power management method, wherein the method is applied to an energy storage device. The method comprises: after an energy storage device is connected to a household power grid system, injecting a test electrical signal into the household power grid system by means of the energy storage device; acquiring a response electrical signal, which is fed back by the household power grid system, wherein the response electrical signal corresponds to the test electrical signal; and calculating an electric power of a target electric load in the household power grid system on the basis of the test electrical signal and the response electrical signal.
09 - Scientific and electric apparatus and instruments
Goods & Services
(1) Accumulators being electrical storage batteries; automotive batteries, electric batteries for vehicles, automotive battery chargers, battery cables, battery cases, battery jump starters, solar batteries, solar panels for the production of electricity and parts thereof; communications software for monitoring and managing electrical charging stations and networks; computer network routers; connecting electrical cables; direct electrical current monitoring modules; distance sensors; downloadable computer software for smart home hubs for the operation of smart home devices; downloadable software allowing subscribers to view, monitor, and analyze video streams and to receive notifications; downloadable software for the home automation of electric control systems for electrical power switches; electrical cables; electrical conductors for transformers; electrical connectors for junction boxes; electrical distribution boxes; ethernet controllers; inverters for power supply; power banks; power connectors; power switches; power transformers; radio frequency and microwave components and equipment, namely, electrical adaptor kits comprised of pins, insulators and couplers; smart home hubs; software for monitoring electrical power; software for monitoring electrical power distribution units; solar-powered rechargeable batteries; touch screen monitors; wireless controllers to remotely monitor and control the function and status of computers
09 - Scientific and electric apparatus and instruments
Goods & Services
(1) Accumulators being electrical storage batteries; battery cables; battery chargers for cell phones; battery packs for power tools; chargers for general purpose batteries; connecting electrical cables; connections for electric lines; electric cables and wires; electric power converters; inverters for electric vehicles; inverters for power supply; photovoltaic inverters; portable power supplies, namely, batteries for use with electric vehicles; power cables; rechargeable alkaline batteries; rechargeable lithium batteries; rechargeable lithium-ion batteries; solar batteries; solar-powered battery chargers; solar-powered rechargeable batteries
09 - Scientific and electric apparatus and instruments
Goods & Services
(1) Accumulators being electrical storage batteries; battery cables; battery chargers for cell phones; battery packs for power tools; chargers for general purpose batteries; connecting electrical cables; connections for electric lines; electric cables and wires; electric power converters; inverters for electric vehicles; inverters for power supply; photovoltaic inverters; portable power supplies, namely, batteries for use with electric vehicles; power cables; rechargeable alkaline batteries; rechargeable lithium batteries; rechargeable lithium-ion batteries; solar batteries; solar-powered battery chargers; solar-powered rechargeable batteries
09 - Scientific and electric apparatus and instruments
Goods & Services
Networking devices, namely, computer network interface devices, network routers; Network controlling apparatus, namely, ethernet controllers; controller area network devices, electronic network controllers; Electronic control units; devices for connecting electronic control units, Electric current sensors; Downloadable software for operating and decoding sensor readings; Downloadable software for the conduction, distribution, conversion, storage, regulation and management of electricity; downloadable Application software for the conduction, distribution, conversion, storage, regulation and management of electricity; Sensors and detectors, namely, electronic sensors for detecting electricity for the conduction, distribution, conversion, storage, regulation and management of electricity; Wireless controllers to remotely monitor and control the function and status of other electrical, electronic, and mechanical devices or systems; monitoring apparatus, namely, monitoring apparatus for the conduction, distribution, conversion, storage, regulation and management of electricity; downloadable software for remote diagnostics; panels and system monitoring devices for monitoring the conduction, distribution, conversion, storage, regulation and management of electricity, electric cables; interface cables; communication system comprising USB hardware, USB cables, and downloadable USB operating software designed to transfer data between components inside a computer and between computers though the conduction, distribution, conversion, storage, regulation and management of electricity; Batteries; Solar-powered rechargeable batteries; Inverters for power supply; Power distributing boxes.
09 - Scientific and electric apparatus and instruments
Goods & Services
Apparatus and instruments for the conduction, distribution, conversion, storage, regulation and management of electricity; Rectifiers; Frequency converters; Current converters; Chargers; Inverters for power supply; Software; Operating software; Application software; Electromechanical software; Electrical engineering software; Networking devices; Network controlling apparatus; Electric current sensors; Sensory software; Sensors and detectors; Wireless controllers to remotely monitor and control the function and status of other electrical, electronic, and mechanical devices or systems; Remote controllers; Remote monitoring apparatus; Software for remote diagnostics; Batteries; Solar-powered rechargeable batteries; Home smart hubs; cables, electric; distribution boxes [electricity].
87.
CONTROL METHOD FOR VOLTAGE CONVERSION CIRCUIT, APPARATUS, AND ELECTRONIC DEVICE
A control method for a voltage conversion circuit, comprising: acquiring an actual output voltage of a voltage transformation circuit; determining a reference current of the voltage transformation circuit according to the actual output voltage and a load working voltage of the voltage transformation circuit; determining a working condition of the voltage transformation circuit according to the reference current; when the working condition of the voltage transformation circuit is light load, acquiring a first voltage difference of two ends of an inductor and an inductance value; determining a first duty ratio according to the reference current, the first voltage difference, and the inductance value; and according to the first duty ratio, generating a first driving signal and outputting a first turn-off signal, the first driving signal being used for controlling on-off of a main switch tube in a bridge arm unit, and the first turn-off signal being used for controlling a freewheeling switch tube in the bridge arm unit to keep off.
G01C 19/72 - Gyrometers using the Sagnac effect, i.e. rotation-induced shifts between counter-rotating electromagnetic beams with counter-rotating light beams in a passive ring, e.g. fibre laser gyrometers
H02M 7/00 - Conversion of AC power input into DC power outputConversion of DC power input into AC power output
88.
PROTECTION METHOD FOR POWER CONVERSION CIRCUIT, POWER CONVERSION APPARATUS, AND STORAGE MEDIUM
A protection method for a power conversion circuit, comprising: when a power conversion circuit is in a steady state, calculating the attenuation amount of the conversion efficiency of the power conversion circuit within a preset duration; on the basis of a preset attenuation threshold value, monitoring the attenuation amount to obtain a duration in which the attenuation amount is greater than the preset attenuation threshold value; and when the duration is greater than a preset protection duration, executing a preset protection operation.
H02H 7/12 - Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for convertersEmergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for rectifiers for static converters or rectifiers
89.
METHOD AND APPARATUS FOR CALCULATING REMAINING DISCHARGE TIME, AND COMPUTER DEVICE
A method for calculating a discharge remaining time, including: collecting a discharge current of an energy storage device based on a preset frequency, and performing amplitude limiting jitter processing on the sampled discharge current; when a current difference between a discharge current at a current moment and a discharge current at a previous moment is not greater than a current threshold, considering that the sampled discharge current has not changed, and directly using a target discharge current at the previous moment to calculate the discharge remaining time; and when the current difference between the discharge current at the current moment and the discharge current at the previous moment is greater than the current threshold, recalculating a target discharge current at the current moment.
G01R 31/382 - Arrangements for monitoring battery or accumulator variables, e.g. SoC
G01R 31/36 - Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
G01R 31/367 - Software therefor, e.g. for battery testing using modelling or look-up tables
90.
CHARGING MANAGEMENT METHOD AND APPARATUS FOR MULTIPLE BATTERY PACKS, AND ENERGY STORAGE DEVICE
A charging management method for multiple battery packs comprises determining a target charging current of each battery pack according to a sampled temperature of each battery pack and a sampled voltage of each battery pack; calculating a difference between the sum of the target charging currents of various battery packs and the sum of sampled charging currents of the various battery packs, to obtain a total PI adjustment value; sending the total PI adjustment value to a charging device, to enable the charging device to adjust a total charging current according to the total PI adjustment value; determining a charging current of each battery pack according to the sampled charging current of each battery pack and the total charging current, and determining a charging voltage of each battery pack according to the sampled voltage of each battery pack.
Disclosed in the present application is a Bluetooth connection establishment method. The Bluetooth connection establishment method comprises: an electronic device receiving Bluetooth broadcast data sent by a Bluetooth device; and after a user selects an icon of the Bluetooth device, when it is recognized from the Bluetooth broadcast data that the Bluetooth device has been bound, acquiring a key from a user group of a server, and establishing a Bluetooth connection with the Bluetooth device on the basis of the acquired key, so as to realize communication.
A control method for an electronic device, the method comprising: acquiring an initial power amount parameter value of a battery module; in each preset period, acquiring an accumulated power amount parameter value of each operating module by means of communication; according to the initial power amount parameter value and each accumulated power amount parameter value, obtaining a first state of charge of an electronic device; and when the absolute value of the difference between a first state of charge acquired in the current period and a first state of charge acquired in the previous period is greater than a first preset threshold value, determining that the communication connection between at least one operating module and a main control module is abnormal.
A power supply circuit, comprising a main switch circuit, a pre-charging switch circuit, a current-limiting circuit, an auxiliary power source circuit and a control circuit, wherein an input end of the main switch circuit and an input end of the pre-charging switch circuit are both connected to an output end of a power supply source, and the output end of the main switch circuit is an output end of the power supply circuit; an output end of the pre-charging switch circuit is connected to an input end of the current-limiting circuit, and an output end of the current-limiting circuit is connected to the output end of the main switch circuit; a power source end of the auxiliary power source circuit is connected between the pre-charging switch circuit and the current-limiting circuit; and an output end of the auxiliary power source circuit is connected to an output end of the control circuit, and the output end of the control circuit is connected to the output end of the power supply circuit.
A method for controlling a self-moving device to move along an edge. The method comprises: when it is detected that a self-moving device has moved to a specified area, acquiring an environment image; performing image segmentation processing on the environment image, so as to obtain a segmented image, wherein the image segmentation processing comprises multiple serial target feature extraction operations, each of which comprises multiple parallel convolution operations and a fusion operation for results of the multiple convolution operations, and the segmented image is used for indicating a working area in the environment image and a non-working area in same; extracting a plurality of boundary pixel points between the working area and non-working area in the segmented image, so as to obtain a boundary image; and according to the boundary image, controlling the self-moving device to move along an edge.
Control method of a power supply device includes: acquiring, in response to an access operation to an output interface, a demand electric energy parameter of a load device connected to the output interface; when a current output electric energy parameter of the output interface meets the demand electric energy parameter, using the current output electric energy parameter as a target output electric energy parameter, otherwise determining an output electric energy parameter greater than the demand electric energy parameter as the target output electric energy parameter; controlling a power supply circuit to output the target output electric energy parameter to the load device through the output interface, to enable the load device to start to run with the target output electric energy parameter; and adjusting the target output electric energy parameter outputted by a power supply circuit to the output interface to be consistent with the demand electric energy parameter.
A battery pack, comprising: a switch unit, a battery unit, a heating unit, a buck unit and an interface unit. In addition to the heating unit, the buck unit is additionally arranged in the battery pack to be used for controlling the working voltage of the heating unit. When the battery pack is at a low temperature, the buck unit is regulated to output a constant voltage to supply power to the heating unit when a power supply is connected and the switch unit is in an off state. When the voltage supplied by the power supply decreases, the output voltage output to the heating unit is decreased by means of the buck unit.
09 - Scientific and electric apparatus and instruments
Goods & Services
Remote control apparatus, namely, controllers for solar panels and outdoor portable battery packs; Remote power controller for heating apparatus; touch panels; Electronic apparatus, namely, electronic display screens; flat panel display screens; Electronic apparatus, namely, electronic display screens for home energy management
