14 results about "Charge control" patented technology

A toner including a mother toner comprising a binder resin and a calixarene having a halogen group, and a charge controlling agent having a halogen group that is present on a surface of the mother toner. The ratio of halogen ion to carbon ion on a surface of the toner is from 0.01 to 0.5, when determined by TOF-SIMS. The toner can be prepared by preparing a first liquid by dissolving or dispersing toner components including a calixarene having a halogen group and a binder resin and/or a precursor of the binder resin in an organic solvent; preparing a second liquid by emulsifying or dispersing the first liquid in an aqueous medium; removing the organic solvent from the second liquid; preparing a third liquid by washing the second liquid from which the organic solvent is removed; and adding a charge controlling agent having a halogen group to the third liquid.

The invention relates to an electric vehicle charging station dispatching system and an ordered charging control method. On the basis of comprehensively considering the maximum charging power of ordered charging piles with adjustable charging power in a charging station and the target electricity utilization power issued by a superior scheduling system, the total target electricity utilization power issued by the superior dispatching system is distributed between the ordered charging piles, so that a value of the charging power of the ordered charging piles is between the minimum charging power and the maximum charging power, and the charging power of the charging piles in the charging station is comprehensively managed. Through the ordered charging control method, formulation of power sharing can be realized, so that transition of the charging behavior of the electric vehicles is guided from a one-way disordered random charging mode to an ordered charging mode, peak-sifting charging is achieved, power grid load fluctuations are reduced, energy losses of a power grid is reduced, and the reliability and economic benefits of a power distribution network are improved.

A memory apparatus may include a bit line sense-amplifier coupled to first and second bit lines; a first precharge unit suitable for coupling the first and second bit lines in response to a bit line equalization signal; a sense-amplifier power control unit suitable for providing a plurality of powers to the bit line sense-amplifier in response to a power control signal; and a second precharge unit suitable for individually changing each voltage level of the first and second bit lines based on a precharge control signal.

The invention discloses a battery charging device, which is used for charging at least one automobile-used removable battery. The battery charging device comprises a connector, an identification module, a sensing module and a control module, wherein the connector is electrically connected with the automobile-used removable battery; the identification module is used for judging the specification of the automobile-used removable battery; the sensing module is used for sensing the state of the automobile-used removable battery; and the control module is used for charging the automobile-used removable battery through the connector and a preset charging policy according to the specification and the state of the automobile-used removable battery. Therefore, the battery charging device can be used for charging automobile-used removable batteries with various specifications, and can sense the state of the automobile-used removable batteries to perform charging control.

A charging device includes charging power detection unit and full charge determination unit. The charging device further includes charging control unit adapted to repeatedly execute a additional charging control until the number of times of the full charge determination reaches a predetermined full charge determination count. The charging device further includes unit adapted to detect the temperature of the secondary battery, and full charge determination count setting unit adapted to set a larger full charge determination count as the temperature decreases at least based on the temperature of the secondary battery when the full charge determination is made.

The invention discloses a charging device for a rapid battery pack replacement system of electric automobile. The charging device comprises a charger and a battery box, the charger is provided with a first charging interface and a display module, the charger is internally provided with a first communication module, a second communication module and a charging module, the battery box is provided with a second charging interface, and the charging box is internally provided with a battery pack, a battery management unit, a smoke alarm, a third communication module and a fourth communication module. The charging module communicates with the battery management unit via the first and third communication modules to obtain charging state information and further to control charging, energy is transmitted to the battery pack via the first and second charging interfaces, the display module arranged on the charger can display charging state information of the battery pack in real time, and the smoke alarm in the battery box can monitor the charging process of the battery pack on site, and raises the alarm timely when an accident happens. The charging device is simple in structure, convenient to operate, safe and reliable in charging and high in automation degree.

The invention discloses a charging control circuit of a low voltage power supply to a high voltage battery pack based on an adjustable battery pack series structure. The circuit design can perform charging control on each single battery (or single battery pack) via a breakover path for controlling a current, the multiple single batteries can be randomly and dynamically selected according to a voltage value of the low voltage power supply to be connected serially and added into a charging loop, and thus the low voltage power supply charges the high voltage battery pack. The active equalizationcapacity that has the same size with the charging current can be achieved for the single battery (or the single battery pack) that is not added into the serial bus. Via dynamic control, each single battery (or single battery pack) in the battery pack can be fully charged.

The invention provides a KA type single-live-wire wall intelligent switch, which comprises a KA main switch, a high-voltage isolation power supply, a power adaptive circuit, a direct-current timing charging control circuit and an intelligent module input and output circuit, wherein the KA main switch connects or disconnects electric connection between a live wire and a power supply load through series connection of an electricity-taking power MOS tube and a relay contact, the high-voltage isolation power supply provides direct current for a control circuit when the live wire is disconnected from the power supply load, the direct-current timing charging control circuit performs direct-current timing charging when the live wire and the power supply load are conducted, the power self-adaptive circuit performs full-bridge half-wave rectification conversion and upper limit voltage control by controlling the electricity-taking power MOS tube, and the intelligent module input and output circuit remotely controls the relay switch. According to the invention, the technical barriers of flickering and spanning fire phenomena of a low-power power supply load, incapability of network distribution and incapability of driving a common relay are solved, the heating value of a high-power load power taking MOS tube is reduced, and the phenomenon of lighting on a side road during air switch is also avoided.

The invention provides a residential quarter electric vehicle orderly charging control method by considering wind power consumption, and belongs to the technical field of electric vehicle charging anddischarging. The method comprises the steps of: determining the time granularity of electric vehicle charging power control, and determining a current-day wind power output prediction curve, a current-day community electric vehicle charging load prediction curve, a current-day community non-electric vehicle electric load power prediction curve and power planning constraint conditions; calculatinga community electric vehicle charging load reference curve of ideal wind power consumption according to the prediction curve; performing calculating and optimizing by using a differential evolution algorithm to obtain a community electric vehicle charging power pre-distribution curve by taking improvement of wind power consumption and electric vehicle charging timeliness as optimization objectives; and combining the charging pile with the community electric vehicle charging power pre-distribution curve and the charged duration of the target electric vehicle to distribute the charging power ofeach electric vehicle in real time. Wind power consumption can be improved, and power grid pressure can be relieved.