Abstract: A method for transmitting data, a wireless charging apparatus, and an electronic device are provided. The method is applicable to a wireless charging apparatus. The method includes the following. When a first electronic device is detected to have established a wired connection with an external interface of the wireless charging apparatus, target data sent by the first electronic device are acquired. The target data are saved to a memory. The target data are transmitted to a second electronic device via a wireless data-transmitting unit.

Abstract: The present disclosure provides a charge control method and device and an electronic device, applied in the electronic device, in which the electronic device includes a charging interface, a charging circuit and a battery coupled in series. The method includes: when a charging device is coupled with the charging interface, determining, by a charge control device, a charging mode supported by the charging device as the high voltage charging mode or the low voltage charging mode, in which a charging voltage of the high voltage charging mode is greater than a charging voltage of the low voltage charging mode; controlling the charging circuit by the charge control device according to the charging mode supported by the charging device, such that the charging circuit charges the battery in the charging mode supported by the charging device.

Abstract: A wireless power reception apparatus and a mobile terminal are provided. The wireless power reception apparatus includes the following. A coil includes a first end, a second end, and a tap. The coil defined by the first end and the second end is configured to provide a first voltage, and the coil defined by the first end and the tap is configured to provide a second voltage. A first rectifying unit coupled with the first end and the second end of the coil. A second rectifying unit coupled with the first end and the tap of the coil. A charging unit coupled with the first rectifying unit and configured to apply the first voltage to a battery for charging. A power supply unit coupled with the second rectifying unit and configured to apply the second voltage to power a wireless receiving chip.

Abstract: A circuit and method for switching a charging mode are provided. The circuit for switching a charging mode, is coupled to a cell and externally coupled to a quick-charging adapter, and includes: a switch circuit, configured to connect the charging terminal and the cell terminal if a connection instruction is received from the first controlled terminal, such that the quick-charging adapter charges the cell via the switch circuit; a switching assembly, configured to receive a switching instruction from the controlled terminal; a first controller, configured to: receive a charging instruction, receive a quick-charging instruction at the first data terminal via the data interface terminal, and send the connection instruction from the third controlling terminal if the charging instruction and the quick-charging instruction are received; and a second controller, configured to send the charging instruction to the first controller if an insertion of the quick-charging adapter is detected.

Abstract: The present disclosure relates to the field of oil recovery technologies in an oilfield, and discloses a method for calculating recovery ratio under a secondary-tertiary combination development mode.

Abstract: Provided are a power supply circuit, a power supply device and a control method. The power supply circuit includes a primary rectifier unit, a modulation unit, a transformer, a secondary rectifier and filtering unit, a current feedback unit, an isolation unit and a control unit. The power supply circuit removes a liquid electrolytic capacitor at a primary side. In the power supply circuit, the liquid electrolytic capacitor at the primary side is removed, such that a volume of the power supply circuit is smaller, and is safe to use. Moreover, the control unit may determine a type of a voltage of input alternating current, and set a current limit value in the current feedback unit according to the type of the voltage of the alternating current.

Abstract: The present disclosure provides a charge control method and device and an electronic device, applied in the electronic device, in which the electronic device includes a charging interface, a charging circuit and a battery coupled in series. The method includes: when a charging device is coupled with the charging interface, determining, by a charge control device, a charging mode supported by the charging device as the high voltage charging mode or the low voltage charging mode, in which a charging voltage of the high voltage charging mode is greater than a charging voltage of the low voltage charging mode, and controlling the charging circuit by the charge control device according to the charging mode supported by the charging device, such that the charging circuit charges the battery in the charging mode supported by the charging device.

Abstract: A chargeable device and a charging method are proposed. The chargeable device includes a charging interface and a first charging circuit coupled to the charging interface. The first charging circuit receives voltage and current outputted by an adapter through the charging interface and to apply the voltage and current outputted by the adapter onto two terminals of multiple cells coupled in series built in the chargeable device to charge the multiple cells directly.

Abstract: A terminal can include a battery (11), a temperature detection circuit (13), a control circuit (14) and a heating apparatus (15), wherein the control circuit detects a temperature of the battery via the temperature detection circuit, and if the temperature of the battery is detected to be less than a first threshold, the control circuit keeps a charging loop for charging the battery disconnected and controls the heating apparatus to heat the battery; and if the temperature of the battery is detected to be greater than or equal to the first threshold, the control circuit controls the charging loop to be conducted for charging the battery. A heating apparatus and a charging method for a battery are also provided.

Abstract: The present disclosure provides a power adapter, an electronic device and a charging apparatus. In the process of charging a battery in a conventional charge mode after the power adapter is powered on, the power adapter carries out quick charge inquiry communication with the electronic device when an output current value of the power adapter is within a conventional current range for a preset time interval; after the electronic device sends a quick charge command to the power adapter, the power adapter adjusts the output voltage according to the battery voltage information fed back by the electronic device; and when the output voltage meets a voltage requirement for quick charge preset by the electronic device, the power adapter adjusts the output current and the output voltage for charging the battery in a quick charge mode.

Abstract: An adapter for charging control include a power converting unit, a sample and hold unit, a current acquisition and control unit. The power converting unit is configured to convert an input AC to obtain an output voltage and an output current of the adapter, and the output current of the adapter is a current of a first pulsating waveform. The sample and hold unit is connected to the power converting unit, and is configured to sample the current of the first pulsating waveform when the sample and hold unit is in a sampling state and hold a peak value of the current of the first pulsating waveform when the sample and hold unit is in a holding state. The current acquisition and control unit is configured to determine whether the sample and hold unit is in the holding state.

Abstract: A charging circuit and a mobile terminal are provided. The charging circuit is coupled between a charging interface and a battery. The charging circuit includes a first circuit, a magnetic coupling element, and a second circuit connected in series between the charging interface and the battery. The first circuit is configured to receive a first current from the charging interface and convert the first current to a second current with magnitude and/or direction changed. The charging interface is a universal serial bus interface and the first current is a direct current. The magnetic coupling element includes a first coil and a second coil, the first coil is connected with the first circuit, the second coil is connected with the second circuit, and the first coil and the second coil are separated from each other to disconnect a direct current path of the charging circuit when the first circuit fails.

Abstract: Provided are a power supply circuit, a power supply device and a control method. The power supply circuit includes a primary rectifier unit, a modulation unit, a transformer, a secondary rectifier and filtering unit, a current feedback unit, and a control unit. The power supply circuit removes a liquid electrolytic capacitor at a primary side. Moreover, the control unit may determine a type of a voltage of input alternating current, and set a current limit value in the current feedback unit according to the type of the voltage of the alternating current.

Abstract: The present disclosure discloses a charging device, a charging method, a power adapter and a terminal. The charging device includes a charging receiving terminal, a voltage adjusting circuit and a central control module. The charging receiving terminal is configured to receive an alternating current. The voltage adjusting circuit includes a first rectifier, a switch unit, a transformer and a second rectifier. The first rectifier is configured to rectify the alternating current and output a first voltage. The switch unit is configured to modulate the first voltage to output a modulated first voltage. The transformer is configured to output a second voltage according to the modulated first voltage. The second rectifier is configured to rectify the second voltage to output a third voltage. The voltage adjusting circuit applies the third voltage to a battery directly.

Abstract: The present disclosure provides a battery protection board, including: a body; a voltage jump detection circuit, disposed on the body, and configured to detect whether a voltage jump occurs in a voltage of a battery, and to output a voltage jump signal when a voltage jump occurs in the voltage of the battery; and a battery protection unit, coupled to an output end of the voltage jump detection circuit, and configured to determine that the battery is damaged when the voltage jump signal is received, and to protect the battery. The present disclosure also discloses a battery assembly having the above battery protection board and a terminal device having the battery assembly.

Abstract: A computer architecture for graph-traversal provides a processor for bottom-up sequencing through the graph data according to vertex degree. This ordered sequencing reduces redundant edge checks. In one embodiment, vertex adjacency data describing the graph may be allocated among different memory structures in the memory hierarchy to provide faster access to vertex data associated with vertices of higher degree reducing data access time. The adjacency data also may be coded to provide higher compression in memory of vertex data having high vertex degree.

Abstract: The present disclosure discloses a charging device, a charging method, a power adapter and a terminal. The charging device includes a charging receiving terminal, a voltage adjusting circuit and a central control module. The charging receiving terminal is configured to receive an alternating current. The voltage adjusting circuit includes a first rectifier, a switch unit, a transformer and a second rectifier. The first rectifier is configured to rectify the alternating current and output a first voltage. The switch unit is configured to modulate the first voltage to output a modulated first voltage. The transformer is configured to output a second voltage according to the modulated first voltage. The second rectifier is configured to rectify the second voltage to output a third voltage. The voltage adjusting circuit applies the third voltage to a battery directly.

Abstract: The present disclosure provides a battery supply circuit, a device to be charged, and a charging control method. The battery supply circuit includes a first cell, a second cell, a switch, a first switching unit and a second switching unit. A first end of the second cell is coupled to a first end of the second switching unit, and a second end of the second cell is coupled to a first end of the switch, a second end of the second switching unit is coupled to a second end of the switch; a first end of the first cell is coupled to the second end of the switch, a second end of the first cell is coupled to a first end of the first switching unit, and a second end of the first switching unit is coupled to the first end of the switch.

Abstract: A quick charging method, a power adapter and a mobile terminal are provided. The method is applied to the power adapter, the power adapter is coupled to the mobile terminal through a USB interface, a power line in the USB interface is used by the power adapter to charge the mobile terminal, a data line in the USB interface is used by the power source adapter to conduct a bidirectional communication with the mobile terminal, and the power adapter supports a common charging mode and a quick charging mode, charging current of the quick charging mode is greater than that of the common charging mode. The method includes: conducting a bidirectional communication with the mobile terminal to determine to charge the mobile terminal in the quick charging mode; and adjusting charging current to charging current corresponding to the quick charging mode to charge the mobile terminal.

Abstract: The present disclosure discloses a charging method, a power adapter and a charging device. The power adapter includes: a first rectification unit, configured to rectify a first alternating current and output a voltage with a first pulsating waveform; a switch unit, configured to modulate the voltage according to a control signal; a transformer, configured to output a plurality of voltages with pulsating waveforms according to the modulated voltage; a synthesizing unit, configured to synthesis the plurality of voltages to output a second alternating current; a sampling unit, configured to sample voltage and/or current of the second alternating current to obtain a voltage sampling value and/or a current sampling value; and a control unit, configured to output the control signal to the switch unit, and to adjust a duty ratio of the control signal according to the current sampling value and/or the voltage sampling value.