30results about How to "Flexible charging method" patented technology

The invention discloses a super-capacitor-based DC voltage sag suppression device and a super-capacitor-based DC voltage sag suppression method thereof, which belong to the technical field of power equipment. The device consists of a super capacitor array (CS), a Buck / Boost type bidirectional power conversion circuit and a contactor (KD). When a voltage sag suppressor is powered on and run, the super capacitor array (CS) is charged by the Buck / Boost type bidirectional power conversion circuit; and when a DC bus has voltage sag due to a failure of an AC system, the super capacitor array (CS) provides energy to realize boosting by the Buck-Boost type bidirectional power conversion circuit to support the voltage of the DC bus. The invention has the characteristics of simple structure, high reliability, low loss, long service life, no maintenance, no environmental pollutions and the like.

The invention discloses a vehicle-mounted charging system. The vehicle-mounted charging system comprises a charging power supply device, a power conversion module, a second contactor control unit, a vehicle-mounted power battery, an AC power supply device and a controller, wherein the charging power supply device is used for outputting a first alternating current or a first direct current, the power conversion module is used for converting the first alternating current or the first direct current to a second direct current in a charging mode so as to charge the vehicle-mounted power battery, and converting a third direct current output from the vehicle-mounted power battery to a second alternating current in an inversion mode, the AC power supply device is used for triggering an inversion signal when an AC load is accessed and supplying power to the AC load with the second alternating current, and the controller is used for controlling the power conversion module to enter the charging mode so as to achieve charging when a charging signal is received, and controlling the power conversion module to enter an inversion mode so as to achieve discharging when the inversion signal is received. The vehicle-mounted charging system according to the embodiment of the invention has functions of charging and discharging and is flexible in the charging mode, and the user demand is met. The invention also discloses a vehicle.

The invention relates to the technical field of mobile power banks and provides a leasing method and system of a mobile power bank. The method comprises steps that a first terminal scans a two-dimensional code corresponding to a mobile power bank stored in a preset place so as to generate a charging request; the first terminal sends the charging request to a cloud server; the cloud server generates a payment link and returns the payment link back to the first terminal; if the cloud server receives payment confirmation information, a first control parameter is sent to the mobile power bank; the mobile power bank gates an internal voltage output circuit according to the first control parameter so as to output the voltage to a second terminal through a voltage output port; and the second terminal is connected with the voltage output port of the mobile power bank through a power supply connection line. According to the invention, a user is capable of leasing and paying for the mobile power bank at anytime and anywhere; when a user fails to take a mobile power bank, he / she is capable of leasing and using the mobile power bank; and it is ensured that the charging mode of the intelligent terminal is quite flexible.

The invention discloses a wireless charging function-based energy-saving sweeping robot. The wireless charging function-based energy-saving sweeping robot comprises a robot body, a power supply battery, a master controller and a roller driving mechanism and also comprises a timing module, an electric quantity detection module, a navigation positioning module, a wireless receiving coil and a charging conversion circuit, wherein the electric quantity detection module is used for detecting the power supply battery to obtain a remaining electric quantity value, the navigation positioning module is used for positioning a current position coordinate of the robot body and performing navigation according to a navigation route, the master controller is used for calculating to obtain the navigation route when the remaining electric quantity value is smaller than a preset remaining electric quantity threshold and generating a driving signal and a trigger signal according to the navigation route, the roller driving mechanism is used for driving the robot body to travel according to the navigation route and building inductance coupling with an external wireless charging base to receive a current, and the charging conversion circuit is used for converting the current received by the wireless receiving coil to a direct current and inputting the direct current to the power supply battery for storage. By the wireless charging function-based energy-saving sweeping robot, the automatic charging function of the sweeping robot is achieved, the charging efficiency is improved, so that the charging mode is flexible, and the practicability is improved.

The invention relates to an electric-vehicle (EV) orderly charging control method facing wind power consumption. The method includes the following steps that 1, a new EV is switched in a charging station, and a user sets expected departure time; 2, charging parameters and state parameters of every EV are obtained; 3, according to the relates state parameters of the EV, whether the EV participatesin formulating of the control strategy or not is judged; 4, order coefficients are calculated according to the charging parameters, and the EV is sorted and numbered; 5, based on a wind-power forecasting curve, according to the real-time wind-power forecasting amount and the difference value space of a this-moment charging total load, control formulas of every EV are sequentially carried out according to the order number till the difference value space is smaller than the charging power of a single EV. According to the electric-vehicle (EV) orderly charging control method facing wind power consumption in the technical scheme, based on maximized consumption wind-power resources, in the control process, the lowest charging requirement of the user is considered, and the control fairness is also considered, so that the win-win effect of consuming wind power and meeting the user requirements is achieved.

The invention provides a lithium iron phosphate battery type electric excavator. An energy system of the excavator comprises a charger, a lithium iron phosphate power supply battery unit, a voltage and frequency changer and a lithium iron phosphate control power supply battery unit, wherein all the components of the energy system are connected through wires, an electric engine of a power output system is connected with a hydraulic pump through a coupler, a connecting disc is fixedly connected to the electric engine and the hydraulic pump, a cooling system comprises a water pump, cooling water pipes, a radiator and a draught fan, and the power output system and the water pump, the water pump and the radiator, as well as the radiator and the power output system are connected through the cooling water pipes. The lithium iron phosphate battery is used, the performance is more reliable and stable, the whole machine has a flexible charging way, the operation cost is low, the noise is low, and the excavator is energy-saving and environment-friendly.

The invention provides a hybrid power rail car using a diesel engine and a power storage battery for traction. The hybrid power rail car using the diesel engine and the power storage battery for traction comprises a frame, wherein a coupler and draft gear I, a brake valve group, a bogie I, a traction ventilation system I, a power system I, a fuel tank, a traction variable flow unit, a power systemII, a traction ventilation system II, a bogie II, an air evolution unit and an electric screw air compressor are sequentially arranged on the lower portion of the frame from the front end to the rearend. The hybrid power rail car using the diesel engine and the power storage battery for traction can be driven by an internal combustion engine and the power storage battery, has a self-load test function of a power system under a static state, has a resistance braking function, can be charged by an external power supply, is charged by the diesel engine and is charged by electric braking energyfeedback, and has the advantages of lower noise and better sealing performance.

The invention discloses a display control terminal and an automotive electronic device, wherein the display control terminal can be used for synchronously displaying the display content of a mobile terminal and controlling the mobile terminal to carry out data processing. Therefore, the consumer only needs to carry the mobile terminal; the data and multimedia and the like can be taken along; in the occasions required, the mobile terminal is only needed to be connected with the display control terminal; through the scheme, only one terminal mobile can be used for solving various demands of work, home entertainment and vehicle navigation, so that great convenience is brought to the life of people.

The present invention relates to a bark stopper. A power module of the bark stopper comprises a USB charging interface, a charging control circuit connected to the USB charging interface and a secondary battery connected to the charging control circuit, wherein the charging control circuit employs a TP4057 intelligent charging chip, and the secondary battery is a lithium battery with an output voltage of 4.2 V. A voice-controlled switch module comprises a receiver connected to the power module via a resistor, an RC resonant frequency selective circuit connected to the receiver in parallel, a triode amplification circuit connected to a high voltage terminal of the receiver via a capacitor, and a voltage comparator connected to the output terminal of the triode amplification circuit. The positive input terminal of the voltage comparator is connected to a potentiometer, and the inverting input terminal thereof is connected to the output terminal of the triode amplification circuit. The present invention also discloses a bark stopping method. The bark stopper provided by the present invention is flexible in charging mode, has high voice-control sensitivity, and easily and fast trains the pet dog with the bark stopping stress reaction.

The invention discloses a domestic electric appliance control system based on a handheld terminal. The domestic electric appliance control system comprises m sensor groups, the handheld terminal and a plurality of domestic electric appliances; each sensor group comprises n types of different sensors; m*n sensors form a plurality of groups of sensors with the same type; each sensor group is wirelessly connected with the handheld terminal; the handheld terminal is wirelessly connected with each domestic electric appliance, wherein m and n are positive integers. According to the domestic electric appliance control system, the sensor groups are removed from the domestic electric appliance and are fixedly arranged on an indoor wall surface or a ceiling; environment parameters of indoor different positions are detected by adopting the plurality of same sensors; the environment parameters detected by each sensor are averaged, and the detected indoor environment parameters are more accurate; furthermore, the handheld terminal is used for controlling the indoor domestic electric appliance and remote control of all the indoor domestic electric appliances is realized by the handheld terminal; compared with manual control on each domestic electric appliance, the domestic electric appliance control system is convenient and rapid.

A novel solar hand lamp comprises a lamp body, a turning cover, a base and a battery box, wherein the turning cover is mounted at the top end of the lamp body, the base is mounted at the bottom end of the lamp body, the battery box is mounted at the bottom end of the base, a handle is mounted on two sides of the turning cover, stainless steel supports are mounted on the periphery of the outer part of the lamp body, a transparent lampshade is mounted on inner sides of the stainless steel supports, an illumination lamp is mounted inside the transparent lampshade, an insect killing lamp is mounted on the left side of the base, a manual power generation rod is mounted on the right side of the base, a storage battery and a power storage module are mounted inside the base, and USB interfaces, a control panel and a charging port are sequentially mounted at the upper end of the front side of the base from left to right. The lamp has multiple power supply modes such as a solar power supply mode, a mains power supply mode, a dry battery power supply mode and a manual power generation mode, and charging is not limited; besides, free dimming can be realized, and different requirements of people are met; the USB interfaces are arranged, and the lamp has functions of a mobile power supply, a field guide and insect killing and has the advantages that the lamp is efficient, energy-saving, rich in function and convenient to operate.

The invention provides an electric vehicle charging control method and system. The method includes collecting the electric vehicle charging power, comparing the collected charging power with set powder, charging the electric vehicle in a fixed-rate charging manner if the collected charging power is lower than the set power, and charging the electric vehicle with an automatic-rate charging manner if the collected charging power is greater than the set power. A segmented billing manner is adopted to achieve rate adjustment, thus achieving automatic matching for electric vehicles different in charging power, and achieving targeted and self-adaptive charging. The method and the system are suitable for charging of electric bicycles or high-power electric vehicles such as electric tricycles andelderly mobility scooters, the charging function is diversified and the charging manner is flexible.

The invention relates to a rechargeable portable electric food warmer, and belongs to the technical field of daily living equipment. The rechargeable portable electric food warmer comprises a power supply part, a heating part and a cooker; the lower half part of the cooker is the power supply part, and the upper half part of the cooker is the heating part; the power supply part comprises a storage battery, a charging jack, a charging / using selection switch, an inverter circuit, a power switch and a fuse; the heating part comprises a heating plate, a heat preservation indication lamp, a heating indication lamp, temperature sensing magnetic steel, a temperature controller and a heating / heat preservation selection switch; the storage battery is connected with the charging jack and the inverter circuit through the charging / using selection switch, the positive pole of the inverter circuit is connected with the power switch to be connected with an inlet line of the heating plate through the fuse, and the negative pole of the inverter circuit is connected with a heating circuit and a heat preservation circuit through the heating / heat preservation selection switch to be finally connected with the heating plate so as to form a loop. The rechargeable portable electric food warmer is convenient to use and carry; outdoor resources are sufficiently used; operation is simple and safe; and environmental protection and low carbon are achieved.

The invention discloses a hanging type cable tunnel inspection robot which can advance along a cable tunnel and reliably inspect the internal condition of the cable tunnel. The robot comprises a fixing assembly, a charging assembly and a host assembly. The fixing assembly comprises a fixing rod, the top end of the fixing rod is fixedly installed on the top face of the tunnel, and a steel wire ropeextending along the tunnel is fixed to the bottom end of the fixing rod. The charging assembly is fixedly installed at one end of an access hole of a tunnel. The charging assembly comprises a hangingpipe, a charging seat is arranged at the bottom of the hanging pipe, and a null line terminal and a live line terminal are symmetrically arranged on two sides of one side of the charging seat facingthe host assembly; the host assembly comprises a host, and a rear panel of the host is provided with a zero line charging panel and a live line charging panel which are used for charging the host assembly after being in contact with the null line terminal and the live line terminal. An infrared imaging camera and a live-action video camera are arranged on a front panel of the host; lED shadowlesslamps are further arranged at the four corners of a front panel of the host.

The invention provides a charging control device, which comprises at least M coils connected in parallel, at least M charging circuits connected in parallel and in one-to-one correspondence with the Mcoils and a controller, wherein any one coil can be coupled with a coil of charging end equipment so as to receive charging electric energy provided by the charging end equipment, and M is an integergreater than or equal to 2; the controller is connected with the M coils connected in parallel and the charging circuit and used for selecting N coils from the M coils, M is larger than or equal to N, and N is an integer larger than or equal to 1; the N coils are controlled to receive charging electric energy provided by the charging end equipment; and N charging circuits in one-to-one correspondence with the N coils are controlled to charge the to-be-charged end equipment according to the charging electric energy. In the scheme, the plurality of coils are arranged in the to-be-charged end equipment in parallel, one or more coils are selected during charging, the charging power of the to-be-charged end equipment can be diversified, the charging mode is more flexible, and when the plurality of coils connected in parallel are used for receiving the charging electric energy provided by the charging end equipment, higher charging power can be received.

The invention provides a charging method and system for a four-way shuttle vehicle and a control device. The emergency degree of charging is judged according to the electric quantity of the four-way shuttle vehicle, so that on the premise of not influencing completion of a current task, charging is conducted in a more flexible mode at a proper time, and the overall working efficiency of the three-dimensional goods shelf system is guaranteed. When the charging task is executed, the proper charging pile is locked in advance in a data interaction mode, and therefore the time consumed by the four-way shuttle vehicle for searching for the charging pile is shortened as much as possible. In order to further meet the charging requirement of the four-way shuttle vehicle needing emergency charging, the method can further request the four-way shuttle vehicle which has completed more than half of the charging task and can work normally first in the system to avoid the four-way shuttle vehicle so as to dynamically coordinate the occupation condition and the charging efficiency of the charging pile. The charging efficiency and the working efficiency of the four-way shuttle vehicle in the three-dimensional goods shelf system can be more intelligently and flexibly improved, the number of charging piles needed in a warehouse is reduced, and the cost is saved.

The invention discloses a battery swap station. The battery swap station comprises a new energy power generation device, a power grid access device, an inverter, a battery swap battery and a controller, wherein the new energy power generation device is used for converting new energy into first alternating-current electric energy of a first voltage level and outputting the first alternating-current electric energy; the power grid access device is used for receiving second alternating-current electric energy of a second voltage level from the power grid and outputting the second alternating-current electric energy; the controller is used for sending a charging instruction to the inverter, and the inverter can convert at least one of the first alternating-current electric energy and the second alternating-current electric energy into first direct-current electric energy of a third voltage level based on the charging instruction and charge the battery swap battery through the first direct-current electric energy. Therefore, the battery swap station comprises the new energy power generation device and the power grid access device, alternating-current electric energy generated by the new energy power generation device and alternating-current electric energy generated by the power grid can be combined for use, the charging mode is more flexible, the power supply stability and reliability of the battery swap station are improved, and the power utilization requirement of a user can be met.

The invention discloses a wired and wireless integrated pile and a charging control method thereof. The wired and wireless integrated pile comprises a main controller, an IC card reader, a human-machine interaction interface module, a communication module, an input power supply module, a charging power module, an output interface, a wireless charging transmitter module and an AC / DC module. The wired and wireless integrated charging pile can enable a car charging mode to be more flexible and convenient, and retains the fast charging advantage of a traditional wired charging pile with a charginggun. A wireless charging function is additionally arranged to enable the charging pile to be abundant in functions, personal safety is ensured, and the operation is convenient.

The invention provides an electric vehicle charging control method and system. The method includes collecting the electric vehicle charging power, comparing the collected charging power with set powder, charging the electric vehicle in a fixed-rate charging manner if the collected charging power is lower than the set power, and charging the electric vehicle with an automatic-rate charging manner if the collected charging power is greater than the set power. A segmented billing manner is adopted to achieve rate adjustment, thus achieving automatic matching for electric vehicles different in charging power, and achieving targeted and self-adaptive charging. The method and the system are suitable for charging of electric bicycles or high-power electric vehicles such as electric tricycles andelderly mobility scooters, the charging function is diversified and the charging manner is flexible.

The present invention is applicable to the field of mobile power supply technology, and provides a method and system for renting a mobile power supply, including: the first terminal scans the two-dimensional code corresponding to the mobile power supply stored in a preset location to generate a charging request; the first terminal will The charging request is sent to the cloud server; the cloud server generates a payment link, and returns the payment link to the first terminal; if the cloud server receives the payment confirmation information, it sends the first control parameter to the mobile power supply; the mobile power supply according to the first control parameter , select the internal voltage output circuit to output the voltage to the second terminal through the voltage output port; wherein, the second terminal is connected to the voltage output port of the mobile power supply through the power connection line. The invention enables the user to complete the lease payment of the mobile power supply anytime and anywhere. In the case that the user does not carry a mobile power supply, the rental and use of the mobile power supply can also be conveniently completed, ensuring that the charging method of the smart terminal becomes more flexible.

The invention discloses a distributed lithium battery group energy storage system, which includes several energy storage control units for parallel connection to a DC bus; data sharing is performed between the energy storage control units through bus communication; the energy storage control unit includes a single A battery pack composed of a bulk lithium battery, a bidirectional DC converter, a microcontroller and a state monitoring module; each microcontroller is equipped with an independent charging control program, which is used to Status monitoring data and DC bus voltage U A Determine the charging mode of the corresponding energy storage control unit; each microcontroller is equipped with a coordinated discharge control program, and the coordinated discharge control program is used according to the shared data and the DC bus voltage U A Determine the overall discharge pattern. The invention solves the technical problem of low reliability and energy utilization rate of the lithium battery in the lithium battery group energy storage system in the prior art, can prolong the service life of the lithium battery, and reduce the cost.

The embodiment of the invention discloses a charging device, charging equipment and a charging control method. The charging device is characterized in that it includes: a detection unit, a control unit, and contacts arranged according to preset rules, wherein the detection unit is used to detect the preset characteristics of the charging electrodes arranged on the charging equipment; The charging electrode includes a first charging electrode having a magnetic region and a second charging electrode having a magnetic region, the magnetic region of the first charging electrode having a magnetic pole opposite to the magnetic region of the second charging electrode; The control unit is connected with the detection unit, and is used to control the positive and negative polarities of the contact pins in contact with the charging electrode according to the preset characteristics of the charging electrode, so as to charge the charging device. The embodiment of the present invention realizes that the charging device does not need a limiting device when charging, the charging method is more flexible, and the user's charging experience is improved.

The invention belongs to the technical field of direct-current electric small trains, and relates to a circuit control structure and a battery cabinet for a direct-current pure electric small train. The circuit control structure comprises a storage battery pack, and the anode output end and the cathode output end of the storage battery pack are connected with a communication control module to forma loop; the positive electrode output end of the storage battery pack is output to the direct-current output module through the discharge relay, the fuse and the anti-reverse diode in sequence, and the direct-current output terminal is grounded; a cooling circuit is connected to a node A between the fuse and the anti-reverse diode; and the communication control module comprises a plurality of connecting ends which are respectively connected with the fuse, the relay coil, the temperature sensor, the discharge relay and the undervoltage protection circuit. According to the battery cabinet, thelow-voltage direct-current stable output function is achieved through the direct-current output module, the under-voltage automatic power-off protection function is achieved through the design of theunder-voltage protection circuit, and the battery cabinet is compact in overall structure, reasonable in component layout and suitable for a narrow-space environment.

The invention relates to a charging and discharging system, method and device, terminal equipment and a storage medium. The charging and discharging system comprises a control chip; the capacity of the second battery is larger than that of the first battery, and the capacity of the first battery is not larger than a set threshold value; the charging management chip is connected with the control chip, is connected with a first battery through a first branch and is connected with a second battery through a second branch, and the charging management chip is further used for being connected with a charger; wherein the control chip is used for controlling the first branch circuit or the second branch circuit to be connected according to a current use scene, so as to charge the first battery or the second battery through the charging management chip. According to the structure disclosed by the invention, different charging modes can be dynamically selected according to different use scenes of charging, the use requirements of users are better met, and the use experience is effectively improved.

The invention discloses a power capacitor closing inrush current suppression device and method. Before the three-phase circuit breaker is closed, at least one phase of the three-phase capacitor is precharged. When the voltage of both terminals of the precharged capacitor is charged to the preset voltage, the phase angle of the measuring point on the grid side of the three-phase circuit breaker ismeasured. When the phase angle of the measuring point on the grid side of the three-phase circuit breaker reaches the preset phase, the three-phase circuit breaker is controlled to close and put in the three-phase capacitor. An embodiment of the present invention eliminates the transient component of the current in the circuit after the capacitor is switched on by precharging, Thus, after the three-phase capacitor is put into the circuit, the current enters into the steady state quickly without passing through the transient process or passing through the very short transient process, therebyrealizing the inrush current suppression of the closing, and the capacitor can be precharged with single-phase, two-phase or three-phase, and the charging mode is flexible and diverse.

The invention discloses a comb-tooth lift-type three-dimensional garage and its charging method for vehicles, and relates to the field of three-dimensional garages. In the invention, the end of at least one comb in the lifting vehicle plate and the beam of the transversely moving vehicle plate are fixed with a power supply Connected magnetic socket; also includes a connecting plug for connecting with the magnetic socket and a charging plug for connecting with the device to be charged, the charging plug is electrically connected with the connecting plug; both sides of the connecting plug are provided with magnetic connectors, The magnetic suction connector is absorbed by the magnetic suction socket to realize electrical connection; the two magnetic suction sockets face each other when the lifting vehicle board and the traversing vehicle board overlap, and respectively absorb the magnetic suction connectors on both sides of the connecting plug; so that the magnetic suction connector on the connecting plug can be Cooperate with the magnetic socket on the traversing board and the magnetic socket on the lifting board, the car can be charged on both the traversing board and the lifting board, and the charging method is more flexible and convenient.

The application provides a charging module and a charging system, which relate to the technical field of unmanned aerial vehicle charging. The charging module includes a bus module and at least two charging modules. The bus module includes a plurality of switch modules and at least two output ports. Each switch module is electrically connected to a charging module and an output port. Each charging module Each module includes a CPU, and the CPU is electrically connected to the switch module; at least two output ports are used to connect one or more devices to be charged; at least two charging modules are used to supply power to the device to be charged through the switch module, and the CPU It is used to control the working state of the switch module to adjust the charging mode of the charging module. The charging module and the charging system provided in the present application have the advantages of more flexible charging methods and more convenient charging.

The invention discloses a substation. The swap station includes: a new energy generating device, a grid access device, an inverter, a battery swap, and a controller; the new energy generating device is used to convert new energy into the first AC power of the first voltage level, and output the first AC power of the first voltage level. An AC power; the grid access device is used to receive the second AC power of the second voltage level from the power grid, and output the second AC power; the controller is used to send a charging command to the inverter, and the inverter can be based on the charging command. At least one of the first AC power and the second AC power is converted into the first DC power of the third voltage level, and the battery is charged by using the first DC power. As a result, the power exchange station includes new energy power generation devices and grid access devices, which can combine the AC power generated by the new energy power generation devices and the grid, and the charging method is more flexible, which improves the stability and reliability of the power supply of the power exchange station. Meet the user's electricity demand.

The invention discloses an unmanned aerial vehicle fault analysis system and construction method based on a Beidou ground-based enhanced network, and the method comprises the construction of a distribution network line position display module, the construction of a distribution line fault online monitoring and positioning module, and the construction of an unmanned aerial vehicle fusion linkage module. And the unmanned aerial vehicle linkage fusion module is used for providing support for construction of the distribution network line position display module and the distribution line fault online monitoring and positioning module. According to the invention, the fault location can be accurately positioned, the fault reason can be rapidly obtained, the charging mode of the unmanned aerial vehicle is more flexible, and the charging efficiency is high.