50results about How to "Charge control" patented technology

The invention relates to a charging control method, a charging control device, a secondary cell system, a secondary cell power supply and a cell application device. The charging control method for a non-aqueous electrolyte secondary cell is a charging control method for controlling a state of charge of a non-aqueous electrolyte secondary cell that has a non-aqueous electrolyte between electrodes, a target state of charge serving as a target for stopping charging is preset in correspondence with an ambient temperature of the non-aqueous electrolyte secondary cell, and the target state of charge (e.g., 95%) for when the ambient temperature is a specific temperature (e.g., 25 DEG C. or 20 DEG C. to 30 DEG C.) that has been specified in advance is set higher compared to the target state of charge for a temperature other than the specific temperature.

Provided is a charging control circuit (30) that controls a charging unit (3) for charging a lead storage battery (10) to be used for a power supply of a battery driven apparatus (1), and that is provided with: a first acquisition unit (36) for acquiring the total discharging electric-quantity coming from the lead storage battery (10), starting from when the last discharging was completed to when discharging is to be started this time according to a charging-start instruction, by dividing the total discharging electric-quantity into a first discharging electric-quantity that is the amount of electricity discharged by a discharging current the current value of which is less than a prescribed level, and a second discharging electric-quantity that is the amount of electricity discharged by a discharging current the current value of which is equal to or more than the prescribed level; a calculation unit (37) for acquiring a first charging electric-quantity corresponding to the first discharging electric-quantity acquired by the first acquisition unit (36), and a second charging electric-quantity corresponding to the second discharging electric-quantity acquired by the first acquisition unit (36), and acquiring the sum of the first charging electric-quantity and the second charging electric-quantity as a charging electric-quantity necessary for charging the lead storage battery (10); and a charging control unit (34) for controlling the charging of the lead storage battery (10) by the charging unit, on the basis of the charging electric-quantity acquired by the calculation unit.

The invention discloses a mobile phone shell and a charging method thereof, and relates to the technical field of mobile phone power supply. According to the embodiment of the invention, a discharge current can be distributed by combining the actual use demand of users. The mobile phone shell comprises a first external interface, a second external interface, a battery and a control circuit, wherein the first external interface is connected with the control circuit, the control circuit is further connected with the second external interface and the battery, the first external interface is connected with an external power supply and then receives the charging current input by the external power supply, the control circuit is configured to control the charging current of the mobile phone whenthe first external interface is connected with the external power supply and the second external interface is connected with the mobile phone according to the actually supporting charging current bythe mobile phone in the charging process, and a residual current is employed to charge the battery. The mobile phone shell and the charging method thereof are applied to charging of the mobile phone.

A preparation method of a high-throughput cross-linked polyimide solvent-resistant nanofiltration membrane, comprising an interface polymerization step, a polyamine modification step, a chemical cross-linking step, and a solvent activation step. The invention significantly improves the separation performance and solvent resistance performance of the membrane by modifying the surface of the original membrane with polyamines after interfacial polymerization. The polyamine has more free amino groups, which greatly enhances the degree of crosslinking of the interfacial separation layer and effectively improves the solvent resistance of the membrane; by using polyamine modification reagents containing different additives, the separation of the membrane can be effectively improved. performance. The preparation process of the invention is simple, and has good application prospects in the field of organic solvent system separation and water treatment containing organic solvents.

The present application relates to a charging control method and device, electronic equipment, and a computer-readable storage medium, including: detecting deformation of a battery to obtain a deformation detection result, and monitoring the number of charge and discharge times of the battery to obtain the current number of charge and discharge. The charging process of the battery is controlled according to the deformation detection result and the current charge and discharge times. Among them, the abnormal deformation of the battery can be obtained by detecting the deformation of the battery, and the service life of the battery can be obtained by monitoring the charging and discharging times of the battery. Therefore, the charging process of the battery is carried out according to the deformation detection results and the current charging and discharging times Control can control the battery to be charged within a safe range after considering the abnormal deformation and service life of the battery, so as to prevent unsafe events such as battery explosion or battery spontaneous combustion.

The invention discloses a dual-battery mobile terminal and a wireless charging system thereof. The wireless charging system includes: a main battery, a secondary battery, a wireless receiving module, and a charging control module; the wireless receiving module senses wireless charging signals, and converts the sensed wireless charging signals into voltage and current signals; furthermore, the charging control module converts The voltage and current signals output by the wireless receiving module are output separately to charge the main battery / auxiliary battery, or simultaneously output to charge the main battery and the auxiliary battery. Thus, the control of charging the dual batteries is realized.

The invention belongs to the field of applied superconducting power electronics, and in particular relates to a synchronizing current and voltage decoupling control method of a voltage-source-type unit power factor high-temperature superconducting energy storage system converter. The control method is characterized by comprising the following steps: designing a voltage outer ring control module at a direct-current side and a current inner ring control module at an alternating-current side respectively with respect to a mathematical model of a superconducting energy storage system converter under dq synchronizing rotary coordinates; controlling an 'H'-shaped bidirectional DC-DC (direct-current to direct-current) chopper based on an SPWM (sinusoidal pulse width modulation) technology by adopting a hysteresis loop PI current closed-loop control method in a charge mode and a hysteresis loop PI voltage closed-loop control method in a discharge mode; and finally implementing the synchronizing current and voltage double-fed control method of a voltage-source-type SMES (superconducting energy storage system) converter according to the active current requirement and the current value of a superconducting magnet under the power grid unit power factor. The control method provided by the invention has the advantages of multi-stage current decoupling control, rapid response speed, easy implementation of control algorithm and the like, and the method is especially suitable for the application occasions for improving the electricity energy quality of a power grid and inhibiting the low-frequency oscillation of a power system and the like.

The invention discloses a movable charging robot control system. The system includes a first collecting unit, a plurality of charging units, a plurality of movable robots and a control unit, wherein,the first collecting unit is used for collecting location information of to-be-charged equipment; the charging units are used for wire charging or wireless charging to the to-be-charged equipment based on an instruction of the control unit; the movable robots are used for moving based on the control instruction of the control unit, and charging units are installed at the movable robots; and the control unit is used for controlling the movable robots to carry charging units to move in a preset range of the to-be-charged equipment, and the charging units are used for charging the to-be-charged equipment. The technical problems of lower efficiency, inconvenient use and potential safety hazards existing in charging of existing charging piles can be solved, and the technical effects of smart control over charging for electric cars, convenient use and high safety can be realized.

The invention provides a powder metallurgy electrostatic mold wall lubrication device, which is characterized in that it consists of a general compressed air source, a high-voltage electrostatic generator (1), an airflow control system (2), a powder storage device, a powder spraying system, a powder storage Tube cabinet (3), powder conveying hose (7), circulation hose (8), powder spraying hose (9) are formed, and each interface is connected by hose. The advantage of the present invention is that: the innovation point of the novel electrostatic mold wall lubricating device is that the method of corona discharge is used. Corona discharge can make any kind of lubricating powder electrostatically charged, which has greater flexibility in the choice of lubricant, and the charge of lubricating powder can be better controlled. It is easy to maintain and can better control the powder output of lubricating powder. It is suitable for the lubrication of powder metallurgy electrostatic mold wall, and also can be used for the lubrication of other equipment in the field of metal processing and new materials.

The invention discloses a charging control circuit of a single live wire switch, comprising a power taking module, a charging module, an energy storage unit, a microprocessor and a human body sensor. The power taking module is connected with the microprocessor via the charging module and the energy storage unit, and the live wire The power-taking module and the load form a loop with the zero line, and the microprocessor is connected to the power-taking module; the microprocessor is connected to the human body sensor; The unit is charged; the energy storage unit supplies power to the microprocessor; the human body sensor collects the sampling information of whether there is a person within the sensing range, and transmits the collected sampling information to the microprocessor; the microprocessor receives the sampling information and judges according to the sampling information Whether there is a person in the current environment, the power-taking module is controlled to be turned on and off according to the judgment result, so as to control the charging of the energy storage unit. The present invention can prevent the user from seeing the load flicker caused by charging the energy storage unit without frequently replacing the battery.

A vacuum cleaner. The vacuum cleaner according to one aspect of the present invention includes: a vacuum cleaner body provided with a suction motor for generating suction, a suction part communicated with the vacuum cleaner body for sucking air and dust, and a battery capable of supplying to the vacuum cleaner body. The suction motor supplies power, the battery management device can detect the state of the battery, the charger can connect the charging current to the battery for charging the battery, and the body connector can be detachably connected for charging the battery. The charging connector of the vacuum cleaner body supplies commercial power, and the controller can control the charging of the battery; wherein, when the controller detects that the charging connector is connected to the body connector, it tries to perform The charging of the battery is retried when the charging of the battery cannot be performed normally.