82results about How to "Normal charging" patented technology

The invention discloses a charging method and a charging device. The method is applied to a charging unit, which is connected with a power supply unit and is capable of outputting different current. The method comprises the following steps of: performing trial charging on a battery with preset initial output current; judging whether output voltage meets preset conditions to obtain a first judging result, wherein the preset conditions at least comprise that the output voltage is greater than preset voltage which is minimum voltage capable of charging the battery; and when the first judging result indicates that the output voltage does not meet the preset conditions, adjusting the output current of the charging unit so as to enable the output voltage to meet the preset conditions. With the method and the device, the output current of the charging unit can be adjusted according to different rated power and different types of power supplies, and thus the charging efficiency is improved under the precondition that normal charging can be ensured.

The invention discloses a distributed feed source switch reluctance motor system for flexible charging of an electromobile. The system comprises a switch reluctance motor and two transducers T1 and T2, wherein the switch reluctance motor is provided with four phase stator windings L1, L2, L3 and L4; the middle part of each phase stator winding is tapped; the transducer T1 is used for exciting the stator winding L1 and the stator winding L2; the transducer T2 is used for exciting the stator winding L3 and the stator winding L4; the topology of the switch reluctance motor has the five working modes of a battery voltage-sharing mode, a direct current charging mode, an interaction charging mode, a direct current cascade charging mode and an alternating current charging mode. The system input of the switched reluctance motor can be a direct current power supply or an alternate current power supply; the system can normally operate under the different battery SOC conditions, can be applied to a plurality of occasions, and is wider in input and output voltage range and wider in input and output power range.

The invention provides a charging method and device for an electric vehicle. The charging method is applied to a charging pile. The charging method comprises the steps that an awakening signal for awakening a vehicle control unit is sent to the vehicle control unit of the electric vehicle; when the vehicle control unit is in the awakening state according to the awakening signal, the charging pile continues to send charger handshake messages (CHM) to a battery management system (BMS) within a preset period of time, and monitors whether a BMS handshake message (BHM) fed back by the BMS according to the CHM is received or not within the preset period of time to obtain a monitoring result; according to the monitoring result, a charging national version to which the electric vehicle conforms is obtained; according to the charging national version, the electric vehicle is charged. According to the charging method and device for the electric vehicle, the problem that in the prior art, due to the fact that the charging national version to which the electric vehicle conforms cannot be recognized, the charging success rate of the electric vehicle is not high is solved.

The invention discloses an intelligent lithium battery charger, of which one interface is a special lithium battery charging interface and the other interface is a standard USB charging interface. The special lithium battery charging interface can be used for charging the lithium batteries of three voltage systems (7.2V system, 14.4V system and 25.2 system), and the charging interface can identify the lithium batteries of three voltage systems above and automatically regulate charging cut-off voltage; and the standard USB charging interface can be used for charging devices capable of being charged through a USB, or civil terminals, thus, personal needs of soldiers are satisfied. Default setting of charging current of the special lithium battery charging interface is 1A, and the charging current can be regulated in a range of 1A-4A, so that the batteries with different capacity can be charged; and the charging current of the standard USB charging interface is fixed 1A.

The invention discloses an aerial unmanned plane charging station device and a charging method thereof. The device comprises a first controller, a power cabinet with a voltage transformer, a stoppingbase, a wireless charging module, a first signal transceiver, a position module, a security module, and a pressure sensor arranged on the stopping base. Each unmanned plane comprises a second controller, an electric quantity detection chip, a second signal transceiver, a microprocessor, and a position module. The microprocessor of the unmanned plane is used to find a charging station which can charge in fastest speed, the first controller controls the wireless charging module to charge the unmanned plane in the air in time, so that high-efficiency operation of the unmanned plane is ensured, and working efficiency is improved. A half-round safety shield is arranged out of the charging station device, effectively protecting the unmanned plane and the charging station device from being influenced by natural environment, and prolonging service life of the unmanned plane and the charging station device.

The invention provides a charging detection method and a charging detection device. The charging detection method comprises steps: in a charging detection state, the branch current on each charging branch of a charging system is acquired; and according to the capacity integral of the branch current, the on-off state of the charging branch corresponding to the branch current is determined. Through the technical scheme of the invention, broken circuit fault of a relay on a certain branch of the charging system can be accurately recognized, an alarm is timely given to a vehicle and a charger, charging is stopped, large current charging when a certain branch of the charging system is in an open circuit condition for a long time is avoided, and the charging safety is enhanced.

The invention relates to a battery charging system, and especially relates to a self-adaption protection system of a battery charger. According to the battery charger polarity self-adaption system provided by the invention, the system is arranged between the charger and a storage battery; the system comprises a control circuit and a controlled full bridge circuit; and the control circuit and the controlled full bridge circuit are connected through a resistor R5 and a resistor R6. The battery charger polarity self-adaption system provided by the invention can prevent dangers when the charger and the battery are reversely connected, and can realize battery charging when reverse connection is carries out.

The invention provides a battery pack charging system and method, and relates to the field of a power battery. The battery pack charging system comprises N charging branches sequentially arranged between the positive electrode and the negative electrode of a charging power supply; the first charging branch is connected with the positive electrode, and connected with the negative electrode through a first switching device; the rest charging branches, expect the first and the N charging branches, are all connected with the positive electrode through a second switching device, and the rest charging branches are all connected with the negative electrode through a third switching device; the N charging branch is connected with the negative electrode and connected with the positive electrode through a fourth switching device; the output end of the i charging branch is connected with the input end of the (i+1) charging branch through a fifth switching device; the battery set body in the charging branches is in a charging state; the first charging branch is connected with the positive electrode; the N charging branch is connected with the negative electrode; and the fifth switching device is closed, and all the switching devices, except the fifth switching device, are all switched off. By virtue of the battery pack charging system and method, it is ensured that the battery pack with relatively high charging current can be charged as normal.

The invention relates to a charging device for an electric vehicle and a charging system for an electric vehicle. When the charging of the electric vehicle (200) is started again after being interrupted, a control unit (communication control unit 14) enables a transmission unit (signal processing unit 10) to transmit signals after the voltage between transmission lines (151) is below a regulated voltage. Namely, when the voltage between transmission lines (151) is below the regulated voltage, the ECU for charging of an electric automobile (200) is identified that a charging connector is dismounted from an insert port. Therefore, if the oscillation of pilot signals is started again by applying the voltage between lines to the transmission lines (151) via the signal processing unit (10), the ECU for charging can be identified that the charging connector (16) is inserted and connected to the insert port again to start the charging via common flow. The charging device provided normally starts the charging again after the charging is interrupted.

The invention relates to a reverse pantograph, a charging system and a car. The reverse pantograph comprises a pantograph head, the pantograph head comprises one or more pantograph positive pole plates used for being crossed with positive pole plates of a collector-shoe gear of the car during charging contact, and one or more pantograph negative pole plates used for being crossed with negative pole plates of the collector-shoe gear of the car during charging contact. A positive pole and a negative pole on the pantograph head of the pantograph are correspondingly crossed with and are in buttingcontact with a positive pole and a negative pole of the collector-shoe gear of the car; and in the charging process, the errors in the front, rear, left and right directions of the actual parking position of the car are within the allowable range, the positive pole plates and the negative pole plates of the pantograph can reliably make contact with the positive pole plates and the negative pole plates of the collector-shoe gear correspondingly, thus the precision requirements for the positioning and parking position of the car are lowered, it is ensured that charging is conducted normally, the contact form that the pole plates are arranged in a crossed mode is utilized, the current carrying area is increased, and high-current and high-power charging is ensured.

The invention discloses an unmanned aerial vehicle charging device and method and a computer readable storage medium. The unmanned aerial vehicle charging device is assembled in a take-off and landingcabin used for an unmanned aerial vehicle to take off and land. The unmanned aerial vehicle charging device comprises a drive part and a telescopic part; and the telescopic part is provided with a charging piece, when the unmanned aerial vehicle lands in the take-off and landing cabin, the telescopic part can be driven by the drive part to extend out and be pressed down, the charging piece makescontact with a charging contact arranged on a battery of an unmanned aerial vehicle body, and the unmanned aerial vehicle is charged. By the adoption of the scheme, the charging piece in the chargingdevice extends out to make contact with the charging contact of the battery in the unmanned aerial vehicle, and the situation that the charging contact is arranged on an undercarriage of the unmannedaerial vehicle, so that contact is poor or charging cannot be achieved due to abrasion of the undercarriage in the take-off and landing process is avoided; and it is guaranteed that the charging process of the unmanned aerial vehicle is normally conducted.

The invention relates to a lifting type charging device, a charging pile and a lifting type charging device motion control method. During charging, a power source drives a charging frame to drive a charging positive electrode, a charging negative electrode and a charging grounding electrode to descend through a lifting mechanism, and the power source is a servo motor or comprises the servo motor. When the charging grounding electrode is in contact communication with the corresponding electrode on the electric vehicle before the charging positive electrode and the charging negative electrode, the servo motor decelerates to reduce the falling speed of the charging frame until the charging frame falls to a charging position. When the charging frame is located at the charging position, the charging positive electrode, the charging negative electrode and the charging grounding electrode on the charging frame are all in contact communication with corresponding electrodes on the electric vehicle to achieve normal charging. Impact force generated when the subsequent charging positive electrode and charging negative electrode make contact with corresponding electrodes on the electric vehicle is effectively reduced, extra impact abrasion is reduced, and the service life of the charging positive electrode and the charging negative electrode is prolonged.

The invention discloses a wireless charging system and a radio frequency receiving terminal. The wireless charging system comprises a radio frequency transmitting terminal and the radio frequency receiving terminal, wherein the radio frequency transmitting terminal is suitable for generating and transmitting radio frequency waves of different frequencies at the same time; and the radio frequency receiving terminal is coupled to the radio frequency transmitting terminal and preset to-be-charged equipment separately and is suitable for receiving the radio frequency waves of corresponding frequencies transmitted from the radio frequency transmitting terminal and converting the received radio frequency waves into electric energy. According to the wireless charging system and the radio frequency receiving terminal, the robustness of the wireless charging system can be improved.

The invention discloses charging protection equipment. The equipment comprises a protection box, a charging socket, a heat dissipation device, a fire extinguishing device, an environment monitoring device and a main control device; the protection box comprises a box body and a box cover used for covering an opening of the box body; the charging socket is installed outside the protection box; the heat dissipation device comprises a heat dissipation fan installed on the box cover; the fire extinguishing device comprises a fire extinguishing nozzle and a water supply device used for conveying water flow to the fire extinguishing nozzle, and the fire extinguishing nozzle is installed on the bottom side of the box cover; the environment monitoring device comprises a temperature sensor mounted on the bottom side of the box cover; and the main control device is installed on the box cover, and the main control device controls whether the cooling fan works or not, controls whether the water supply device works or not and controls whether the charging socket outputs electric power or not according to the temperature, monitored by the temperature sensor, in the protection box. The equipment be effectively improve charging safety of the electric vehicle battery, and avoids personal and property loss.

The invention relates to the technical field of unmanned aerial vehicle endurance, and discloses a charging system and a charging method for a plant protection unmanned aerial vehicle. The system comprises a general control unit, a parking station, an airborne terminal, a distance triggering module, an idle detection unit, a remote terminal, a scheduling mechanism, and a priority determination unit. When the idle detection unit detects that a parking apron corresponding to the unmanned aerial vehicle is idle in the stop station, the unmanned aerial vehicle which comes to be charged is guided to land on the idle parking apron, and when the idle detection unit detects that no parking apron corresponding to the specification of the unmanned aerial vehicle is idle, the general control unit executes different operations according to the priority judged by the priority determination unit, wherein the execution operations are that the unmanned aerial vehicle with the high priority is charged preferentially. According to the invention, waste of waiting time for charging of the unmanned aerial vehicle is reduced to the maximum extent, the utilization rate of charging equipment is improved, and the operation punctuality of the unmanned aerial vehicle is also improved to the maximum extent.

The invention discloses a bidirectional vehicle-mounted charging system with a poor contact prevention function and relates to the technical field of vehicle charging. The system comprises a plug connected with a charging pile and a vehicle-mounted socket hinged with a dust cover, one side of the vehicle-mounted socket is connected with a connecting device, and the vehicle-mounted socket and the connecting device are mounted in a vehicle. A charging device and a discharging device are installed in the connecting device, the vehicle-mounted socket is in contact with the plug for charging, the vehicle-mounted socket is not in contact with the plug during discharging, and a conversion device is arranged in the connecting device and used for conversion between charging and discharging. The plug is provided with the electromagnetic limiting assembly, it can be guaranteed that the plug and the vehicle-mounted socket always keep tight contact in the power-on period, the plug is further provided with the threaded hole and the bolt, loosening is further prevented through the threaded hole and the bolt in the plug-in connection process of the plug and the vehicle-mounted socket, and the situation of poor contact is avoided.

The invention discloses an automatic sweeper charging method based on base station locating and a control system thereof, and belongs to the technical field of sweeping machines. The method comprisesthe following steps of 1, creating a sweeping region, installing a charging stand in the sweeping region, determining the position, and locating a sweeper according to base station locating; 2, makingthe sweeper head automatically charged according to locating of the sweeper and the position of the charging stand; 3, making the sweeper head towards the charging stand on the basis of an obstacle bypassing walking system according to a charging navigation path; 4, completing automatic charging and discharging according to a charging protection system. By means of the automatic sweeper chargingmethod based on base station locating and the control system thereof, the sweeper is automatically charged through the charging system to ensure that the sweeping region is kept tidy.

The invention belongs to the technical field of automobiles, particularly relates to a lithium battery system, and further relates to a control method of a lithium battery and a vehicle. The lithium battery system for the vehicle comprises a lithium battery pack for providing power for a vehicle, an energy dissipation unit connected in parallel with the lithium battery pack, a heating unit connected in parallel with the lithium battery pack and the energy dissipation unit, and a battery management unit, the battery management unit is electrically connected with the energy dissipation unit anda control switch, the battery management unit is used for monitoring the temperature of the lithium battery system and the current of the lithium battery system and calculating the electric quantity state of the lithium battery pack, and the battery management unit can control the energy dissipation unit and the heating unit to be turned on or off through the control switch. The lithium battery system provided by the invention adopts the battery management unit to detect, control and recover the feedback current of the vehicle, so that the safety of the battery system and the whole vehicle isensured, and the efficient utilization of energy is realized.

The invention discloses a scrubber water tank battery module rapid replacement platform and a working method thereof. The scrubber water tank battery module rapid replacement platform comprises a rotating mechanism and transmission mechanisms; all the transmission mechanisms are positioned on the same virtual circle; at least one replacement station and at least one supply station are arranged onthe virtual circle; a water tank battery module is arranged on each transmission mechanism and comprises a clear water tank, a sewage tank and a battery; a water injection pipe is arranged at at leastone supply station; a sewage containing port and a cleaning pipe are arranged at at least one supply station, a charging port is formed in the battery, and a charging pile is arranged at at least onesupply station. The method comprises the following steps that the scrubber runs to a replacement station, the scrubber conveys the exhausted water tank battery module to the transmission mechanism, the transmission mechanism conveys the new water tank battery module to the scrubber, and the replacement platform injects water into the exhausted water tank battery module, cleans the exhausted watertank battery module, drains water and charges the exhausted water tank battery module. The scrubber water tank battery module rapid replacement platform has the advantages of being high in replacement efficiency, low in labor intensity and high in automation degree.

The present disclosure relates to a charging control method and device and an electronic device, the method being applicable to a battery, the method comprising: determining a resistance value of a charging line connected to the battery; Generating an adjustment command according to the resistance value; Adjusting an output charging voltage output from a charging adapter connected to the chargingline to the charging line according to the adjusting command. According to the embodiment of the present disclosure, the output charging voltage output from the charging adapter to the charging line can be increased according to the adjustment command, so that the charging voltage of the input battery can still satisfy the voltage required for normal charging of the battery after the output charging voltage passes through the charging line, although the voltage is reduced. The method ensures that the battey can be charged normally through different data lines, and unrechargeable or slow charging circumstances are avoided.

The invention provides a charging device, a charging method, computer equipment and a computer readable storage medium. The charging device comprises a rectifier, a control guide CP signal line and aprotection grounding PE line, wherein the control guide CP signal line and the protection grounding PE line are coupled to a charging pile, a voltage converter is used for converting a voltage signalinput by a CP signal line into a positive voltage, the voltage converter is connected with a connection control system of an electric automobile, or a charging system of the electric automobile is used for converting the positive voltage output by the rectifier into a stable power supply voltage, and the stable power supply voltage is used for supplying power for a connection control system of theelectric automobile or the charging system of the electric automobile is used for supplying power. According to the device, the charging pile can be charged for the electric automobile under the condition that the battery of the electric automobile is not electrified.

The embodiment of the invention discloses a charging method and device, a charger, a battery and a storage medium, and the charging method comprises the steps: obtaining an overcurrent protection threshold value of a second battery when a pre-shutdown instruction sent by a first battery is received, and the second battery is a battery, except the first battery, in the batteries charged by the charger; determining a target charging current value of the charger according to the overcurrent protection threshold value; and setting the target charging current value as an output current value of the charger. According to the embodiment of the invention, the battery can send the pre-shutdown instruction to the charger, and the charger can set the output current value according to the overcurrent protection threshold value of the remaining second battery, so that the current value output by the charger before the first battery is shut down is smaller than the overcurrent protection threshold value of the remaining second battery. After the first battery is shut down, the situation that the second battery stops charging due to overcurrent protection is avoided, and it is guaranteed that the remaining second battery can be normally charged.