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.

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 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 discloses a comb tooth lifting type stereo garage and a charging method thereof for vehicles, and relates to the field of stereo garages. Magnetic suction sockets connected with a powersupply are fixed at the end part of at least one comb tooth in a lifting vehicle plate and on a beam of a transverse moving vehicle plate; the stereo garage also comprises a connecting plug which is used for being connected with a magnetic attraction socket, wherein the charging plug is used for being connected with equipment to be charged, and the charging plug is electrically connected with theconnecting plug; magnetic attraction connectors are arranged on the two side faces of the connecting plug, and the magnetic attraction connectors are attracted by the magnetic attraction socket to achieve electric connection; the two magnetic suction sockets are opposite when the lifting vehicle plate and the transverse moving vehicle plate coincide and attract the magnetic suction connectors on the two sides of the connecting plug respectively. Therefore, the magnetic attraction connector on the connecting plug can be matched with the magnetic attraction socket on the transverse moving vehicle plate and the magnetic attraction socket on the lifting vehicle plate, an automobile can be charged when located on the transverse moving vehicle plate and the lifting vehicle plate, and the charging mode is more flexible and convenient.

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.