53results about How to "Solve the problem of not being able to charge" patented technology

The invention provides a method and system for simultaneously charging one electric vehicle by multiple charging guns of charging equipment. The method comprises the steps of inserting the multiple charging guns into multiple direct-current charging ports of a to-be-charged electric vehicle respectively; judging whether each charging gun has a message response or not, if only one charging gun detects an interaction message, determining that the to-be-charged electric vehicle is a single BMS vehicle type, and if each charging gun detects the interaction message, determining that the to-be-charged electric vehicle is a multi-BMS vehicle type; for a single BMS vehicle type, if each charging port can detect the battery voltage, distributing the required current of the BMS averagely to each charging gun, adjusting the output current of each charging gun, and carrying out charging; for a multi-BMS vehicle type, if each charging port can detect the battery voltage, adjusting the power outputof each charging gun automatically according to the charging demand of each BMS. The problem that a plurality of charging guns charge one electric vehicle at the same time is solved.

The invention discloses a handheld dust sweeping device. The handheld dust sweeping device comprises a handle and a dust collector connected with the handle and is characterized in that a battery is arranged in the handle, a switch is arranged outside the handle, the battery is electrically connected with the dust collector and the switch, the front end of the dust collector is provided with a dust sweeping head, the front side of the dust sweeping head is provided with soft sweeping bristles and dust collection holes, the dust sweeping head is communicated with the dust collector through a connecting rod, and the back of the dust sweeping head is provided with a metal sheet connected with the connecting rod. The handheld dust sweeping device has the advantages that the device can replacea mop and a wipe, dust can be collected during the sweeping of dust on the surface of a vehicle body, the dust flying problem during sweeping is solved, the situation that dust falls to the surface ofthe vehicle body again is avoided, sweeping efficiency is increased, sweeping time is saved, sanitation during sweeping is guaranteed, clothes can be prevented from being dirtied by the dust, fresh air during sweeping can be achieved, damage, caused by the flying dust, to human bodies is avoided, and user health is guaranteed.

Provided are a series-parallel gas-electric hybrid vehicle power system and a control method. The system comprises a complete vehicle controller, an engine, an ISG motor, a drive motor, a super capacitor bank and a DC/DC converter, wherein a clutch I is in transmission connection to the engine and the ISG motor, a clutch II is connected between the front end of the ISG motor and the drive motor. The rear end of the drive motor is in transmission connection to the ISG motor and the front end of the drive motor, the back end of the drive motor is connected to a transmission shaft capable of driving wheels, the ISG motor, an ISG motor controller and a high-tension distribution box form a circuit, the drive motor, a drive motor controller and the high-tension distribution box form a circuit, apower battery and the super capacitor bank are arranged in parallel and form a circuit with the high-tension distribution box, and the DC/DC converter is connected to the power battery and the high-tension distribution box; and the control method mainly comprises a power consumption stage and a power recovery stage. The series-parallel gas-electric hybrid vehicle power system and the control method improve the operational efficiency of the gas-electric hybrid vehicle.

The invention discloses an electric vehicle charge control device which comprises a vehicle-mounted charger, a first switch module, a second switch module and a control system. The vehicle-mounted charger is connected with a power battery; a first end of the first switch module is connected with the vehicle-mounted charger, and a second end of the first switch module is connected with the control system; a first end of the second switch module is connected with the first end of the first switch module, and a second end of the second switch module is connected with the second end of the first switch module; and the control system is used for controlling the vehicle-mounted charger to charge for the power battery when the first switch module or the second switch module is communicated. When the first switch module breaks down, the second switch module can be communicated so as to enable the control system to control the vehicle-mounted charger to charge for the power battery, and therefore convenience of charge of an electric vehicle is improved.

The invention discloses a general-type charging connector converter of an electric bicycle. The general-type charging interface converter comprises a small-power bridge rectifier module, a power supply module, a photoelectric coupler module, a relay module, an LED (Light Emitting Diode) lamp module and a large-power bridge rectifier module. After the converter is connected into a charging connector of the electric bicycle, the photoelectric coupler module acquires information of an interface mode of the electric bicycle from an electric bicycle connector, and then the relay module is controlled, so that a relay skips to a corresponding connector mode; current output by a charger passes through the relay module and then is communicated to the electric bicycle; finally, a process from conversion to charging is finished. The general-purpose charging connector converter of the electric bicycle has the beneficial technical effects that chargers with different charging connectors can be used for charging electric bicycles with different charging connectors, and the technical problems that the connector mode is not compatible so that the electric bicycles cannot be charged or the charger is damaged and the like are solved.

The invention discloses a vehicle and a charging device. The device comprises a charging unit, a voltage feedback unit, a charging line and a charging interface. The charging line is connected with acharging circuit and the charging interface. The voltage feedback unit is connected with the charging unit and the charging interface. The voltage feedback unit is used for detecting the current actual charging voltage of the charging interface, and providing feedback of a voltage drop indication signal to the charging unit if the actual charging voltage is smaller than the reference voltage. Thecharging unit is configured to, after detecting the voltage drop indication signal, in accordance with the voltage drop indication signal, raising the charge voltage to the charge output. The adjustedcharging voltage is utilized to continue supplying power to the charging interface through a charging wire, so that the problem that the charging voltage drops due to the excessive length of a wire harness of the charging interface and the charging interface cannot be charged can be effectively solved, and the length and the diameter of the wire harness and contact impedance energy factors need not to be considered. The charging device is adaptable to all wire harnesses and vehicle models, and is flexible in application.

The invention discloses a self-service charging detection and control method for an electric vehicle. According to the method, a socket port of a charging device is detected and detection informationis sent to a cloud server; after receiving confirmation information sent by the cloud server, the user carries out payment; and after payment, the cloud server sends a charging instruction to the charging device to carry out charging for the user. Therefore, the charging device, the cloud server and the user client can carry out transmission and communication in payment by the user based on the flow, so that a problem that charging can not be carried out after the user makes payment because the mobile network signal of the environment in which the charging device is located is not good is solved and the user experiment in the charging device application process is improved. Meanwhile, the charging process is monitored in real time and detection fault information in the charging process canbe transmitted to the user client and the equipment maintenance personnel in time and be displayed on the charging device, thereby improving the efficiency of equipment operation and maintenance management and thus further enhancing the user experience.

The invention discloses a method and system for controlling precharging currents of a mobile terminal and the mobile terminal. The method includes the steps that when the mobile terminal detects that a charger is disconnected, instantaneous precharging current signals before the charger is disconnected are acquired; voltage stabilization processing and voltage reduction processing are conducted on voltage signals converted from the current signals; the voltage signals obtained after voltage stabilization processing and voltage reduction processing are converted into new current signals, and the converted new current signals are used for precharging the mobile terminal; when the new current signals are used for precharging the mobile terminal for preset time, the new current signals are amplified into the instantaneous precharging current signals before the charger is disconnected, and the instantaneous precharging current signals are restored again to charge the mobile terminal. By the adoption of the method and system, the problem that a mobile phone cannot be charged due to the fact that the precharging currents are too large in the prior art can be solved, and safety is improved.

The invention belonging to the field of electronic technology discloses a charging wire, a charging assembly,and a charging method and device. The charging wire consists of a first connector and a second connector; the second connector is connected with a to-be-charged device; and the first connector includes a ground pin and a first ID pin and the ground pin is connected with the first ID pin electrically. After the first connector is connected with an interface of a mobile device, a second pin in the interface is connected with the first ID pin, so that the second ID pin is grounded. The mobile device outputs power through the interface. Therefore, a problem that an electronic cigarette can not be charged because the user does not carry a charging device when going out is solved.

The invention relates to the technical field of charging control, and provides a double-charging control circuit and a double-charging control method. The circuit comprises a power adapter charging circuit and a type-c adapter charging circuit. When the power adapter charging circuit or type-c adapter charging circuit is independently connected into a corresponding adapter, power is supplied to amainboard system and a battery. When the power adapter charging circuit and the type-c adapter charging circuit are connected into adapters at the same time, the power adapter charging circuit supplies power to the mainboard system, and the type-c adapter charging circuit charges the battery. According to the embodiment of the invention, when a computer system is in heavy load operation, the powerutilization requirement of a system can be met, the battery can be charged, the problem that the current generates a current loop between the two adapters due to inconsistent output voltages of the adapters does not exist, and the problem that the computer battery cannot be charged due to insufficient power consumption of the adapters can be effectively solved.

The invention provides a vehicle emergency starting device with hand-cranking power generation, and relates to the technical field of vehicles. The vehicle emergency starting device specifically comprises a shell internally provided with a control panel, a hand-cranking power generation assembly, a voltage processing circuit, and an energy storage component, wherein the hand-cranking power generation assembly comprises a rocking handle which is arranged outside the shell, one end of the rocking handle penetrates through the shell and extends towards the interior of the shell, the hand-crankingpower generation assembly further comprises a power generator which is arranged in the shell, the end, facing the shell, of the rocking handle is connected with the power generator through a gear set, the voltage processing circuit is arranged on the control panel and is connected with the generator; the energy storage component is arranged on the control panel, is at least one super capacitor and is connected with the output end of the voltage processing circuit; the energy storage part is provided with a large-current output end. The vehicle emergency starting device has the advantages thatthe super capacitor is used for replacing an ultrahigh-rate lithium battery, a vehicle is started more safely and conveniently, the hand-cranking power generation assembly is additionally arranged tocharge the super capacitor, and the charging is more environmentally friendly.

The invention discloses a wall type electronic equipment charging apparatus, and belongs to the field of an electric appliance. The wall type electronic equipment charging apparatus comprises a main shell mounted on a wall body and a power supply assembly arranged on the main shell, wherein an electricity output end for allowing the electronic equipment to obtain electricity is arranged on the main shell; the electricity output end is connected with the power supply assembly; a bracket for placing the electronic equipment is arranged on the main shell; the electricity output end is arranged on the bracket; and the electricity output end comprises a charging connector matched with a charging interface of the electronic equipment. The wall type electronic equipment charging apparatus has the advantage of higher convenience in charging the electronic equipment.

The invention discloses a method for undisturbed switching between double power sources of a hydraulic station of a refuse incinerator. A plurality of super-capacitors are used as energy storage elements. The problem that during switching by a commonly-used switch for the double power sources, continuous control power cannot be output is solved. By means of a power failure detection signal of double groups of mains supply, a corresponding control program is designed in the PLC control system, and heavy-load starting or acceleration of a motor is avoided in a power source switching period; according to actual power source voltage class demand, a modularized equalization circuit is used for guaranteeing that the super-capacitors which are connected in series are charged equally, and the service life of the super-capacitors is prolonged.

The invention discloses a portable projection lamp. The portable projection lamp is characterized by comprising a mobile power supply (5) mounted in an integrally molded lamp body (1), an LED projection lamp (2) electrically connected with the mobile power supply (5) and a light transmission cover (3) arranged on the LED projection lamp (2); a waterproof sealing gasket and a bracket (4) rotationally connected with the lamp body (1) are arranged between the light transmission cover (3) and the lamp body (1); and the mobile power supply (5) is fixedly connected with a radiator at the back part of the LED projection lamp through a screw. The projection lamp has such advantages as good water resistance and convenience to carry, and is suitable for large-scale popularization.