100results about How to "Increase charging current" patented technology

The invention discloses a fast-charging method, a mobile terminal and a power adapter capable of being charged directly. The fast-charging method is provided based on the power adapter of which output voltage dynamic is adjustable. The voltage of the battery-core of a battery is divided into multiple sections, then a sectional-type constant-current charging way is adopted, the value of the charging voltage output through the power adapter is adjusted dynamically according to the located sections of the battery-core voltage of the battery inside the mobile terminal in the charging process, and the battery is charged directly through the charging voltage output through the power adapter, so that the charging current is improved greatly, thereby the charging speed of the battery is accelerated, the single-time charging time needed by the movable terminal is shortened, the influence of the situation that the mobile terminal needs to be charged frequently for a long time on daily use of a user is lowered, and the customer-using satisfaction degree in promoted to a large extent.

The invention discloses a charging adapter, a terminal and a charging control method, and aims to solve the problem that the charging current is difficult to increase in the prior art. The charging adapter comprises an alternating-current transformer, a direct-current transformer, an external charging chip and a micro controller. The output end of the alternating-current transformer is connected with the direct-current transformer and the external charging chip. The micro controller is used for causing the alternating-current transformer to provide direct-current output and causing the direct-current transformer to carry out direct current transformation and output after the charging adapter and the terminal are effectively connected, and used for causing the external charging chip to charge the terminal after handshake connection between the charging adapter and the terminal is established. By adopting the charging adapter provided by the embodiment of the invention, the charging current can be increased, and the charging efficiency can be improved.

The invention provides a bootstrapping diode artificial circuit in a half-bridge driving circuit. An electrical level displacement and a simple charge pump are added into a grid driving circuit structure in an existing bootstrapping diode artificial circuit; when a grid driving input signal is a low electrical level, grid voltage output to an N-channel LDMOS (Lateral Diffusion Metal Oxide Semiconductor) transistor LD1 by a grid driving circuit is a low electrical level; the N-channel LDMOS transistor LD1 is turned off. When the grid driving input signal is a high electrical level, the grid voltage output to the N-channel LDMOS transistor LD1 by the grid driving circuit is a high electrical level so that the grid voltage of the N-channel LDMOS transistor LD1 is improved, the conduction resistance of the LD1 is reduced and the charging current to a bootstrapping capacitor is improved.

The invention discloses a process for manufacturing a metallized polypropylene film capacitor, which comprises the steps of slug manufacturing, slug shaping, slug membrane enveloping and metal spraying, energizing, soaking and internal sealing, slug assembling and finished product testing, wherein in the step of the slug membrane enveloping and metal spraying, a dust removing plant is used to absorb floating dust metal particles so that metal spraying particles effectively contact with the end face of a staggered edge of the capacitor, the contact performance is reliable, the resistance is small, and particularly at a high frequency, the metal loss is far smaller and the charging current and the withstand voltage of the capacitor are improved; and in the step of the soaking and internal sealing, the vacuum degree is required to be reduced to be below -0.1 MPa to perform the soaking, the reliability of edge arcing is improved and the withstand voltage is also improved. The metallized polypropylene film capacitor produced by the manufacturing process has the advantages of small volume, high-voltage resistance and good dielectric property, the compression strength is improved to two times, the loss is 10 KHZ, the dielectric loss angle tangent is 0.001, and the temperature shock resistance is between 40 and 100 DEG C.

The invention discloses an array substrate, a manufacturing method of the array substrate and a display device. The array substrate comprises a supporting base substrate, a grid line, a data line, pixel electrodes and a thin film transistor, wherein the grid line, the data line, the pixel electrodes and the thin film transistor are formed on the supporting base substrate. The thin film transistor comprises a grid electrode, an active layer and a source-drain electrode graph, the source-drain electrode graph is connected with the active layer, and the pixel electrodes are connected with the active layer. A source electrode and a drain electrode are arranged to be the source-drain electrode graph, the area of the thin film transistor is reduced, and therefore the aperture opening ratio of pixels is improved. The source electrode and the drain electrode are arranged to be one source-drain electrode graph, the width-to-length ratio W/L of a channel of the thin film transistor is increased, the charging current of the thin film transistor is improved, and therefore the charging capacity of the thin film transistor is improved.

The invention relates to a controlling device and a controlling method for charging operation of a battery, that is to say, it is a device and method to optimize charging stations of the batteryby adjusting charging capacity of the battery. The method includes reading an actual full charge capacity of the battery and a design capacity of the battery. The actual full charge capacity of the battery is compared with the design capacity of the battery. A charge voltage and a charge current are adjusted if the actual full charge capacity is less than the design capacity. The charge voltage and the charge current in adjusting step is used for controlling the charging operation of the battery. This invention determines the charging station, if the nonce full charge capacity is less than the design capacity, the charging operation of the battery is controlled by the adjusted charge voltage and charge current which are adjusted by decreasing charge current and increasing charge voltage. This invention can properly adjusts the full charge capacity of the battery and increases the charging efficiency.

A current amplification quick charge circuit used for a hand-hold electronic device comprises a charge management module which is integrated inside a master chip of the hand-hold electronic device orembedded independently, and a rechargeable battery, particularly comprises a basic charging current sampling resistor, a current amplification charging current sampling resistor and a comparation current amplification module; and when the charge management module charges the rechargeable battery, the comparation current amplification module outputs the amplified current from a current amplificaiton output port according to the voltage difference between two comparing input ports. The current amplification quick charge circuit has simple structure, occupies small space of a printed circuit board, greatly improves the practical charging current to the rechargeable battery according to proportion by the two sampling resistors and the comparation current amplification module, improves chargingspeed, satisfies the charging requirement to high-capacity rechargeable batteries, simultaneously keeps the charge management module to conduct three-stage charge, namely, low current precharge stage, constant current charge stage and constant voltage charge stage, to the rechargeable battery, and is beneficial to maintaining the service life of the rechargeable battery.

The invention discloses a charging method and device and a charger. The charging method includes the steps that when a signal, representing a needed voltage value, transmitted by equipment to be charged is received, the current needed voltage value of the equipment to be charged is obtained; according to the needed voltage value of the equipment to be charged, the output voltage of the charger is adjusted; a signal representing a current rated output current value is transmitted to the equipment to be charged so that the equipment to be charged can adjust a preset charging current value of the equipment to be charged according to the current rated output current value, and charging can be performed at an adjusted charging current value. By the adoption of the charging method and device and the charger, the charging capacity of the charger can be sufficiently utilized for achieving rapid charging.

The invention discloses an insulated gate bipolar transistor (IGBT) driving push-pull circuit, which mainly comprises an NPN triode (Q1), a PNP triode (Q2), a charging resistor (R5) and a discharging resistor (R6), wherein one end of the charging resistor (R5) is connected to an anode of an input power supply (VDC1), and the other end of the charging resistor (R5) is connected to a collector (c1) of the NPN triode (Q1); an emitter (e1) of the NPN triode (Q1) and an emitter (e2) of the PNP triode (Q2) are connected to form a point and connected with a gate (G) of an IGBT; the emitter (e2) of the PNP triode (Q2) is connected with one end of the discharging resistor (R6); and the other end of the discharging resistor (R6) is connected with the ground of a power supply (VDC2). By adoption of a push-pull circuit structure, in the turn-on moment of the IGBT, the NPN triode works in a saturation area, charging current is improved, and the loss of the NPN triode is reduced; and in the turn-off moment of the IGBT, the PNP triode works in the saturation area, discharging current is improved, and the loss of the PNP triode is reduced.

A thin film transistor for a thin film transistor liquid crystal display (TFT-LCD), an array substrate and manufacturing method thereof are provided. The thin film transistor comprises a source, a drain, and a channel region between the source and drain. A source extension region is connected with the source, a drain expanded region is connected with the drain, and the source extension region is disposed opposite to the drain extension region to form a channel extension region therebetween.

The invention discloses special high-power charging equipment powered by aluminum-air batteries. The charging equipment comprises an aluminum-air battery power management system and multiple aluminum-air batteries, wherein the multiple aluminum-air batteries are electrically connected with the aluminum-air battery power management system after being in serial connection; the aluminum-air battery power management system converts electricity generated by the multiple aluminum-air batteries and conveys the electricity to an external target rechargeable battery, and the external target rechargeable battery starts a charging state. The equipment further comprises multiple voltage detection modules which input detected information of the aluminum-air batteries to a master controller in the aluminum-air battery power management system, the operation conditions of the aluminum-air batteries are adjusted by an aluminum-air battery control module, so that the external target rechargeable battery can be charged. The charging equipment does not need an external power grid, is free from geographical limitations and does not need capacity of any power grid, energy is supplied by aluminum and air which are easy to obtain, the charging current is strong, the equipment is movable, the investment cost is low, and massive stationing and networking are facilitated.

The invention provides a temperature control device, a temperature compensation method, a temperature compensation device and a terminal. The temperature control device comprises a battery and/or a charging terminal, a temperature detection element, a control chip and a temperature control semiconductor, wherein the temperature detection element makes contact with the battery and is used for detecting the temperature of the battery; the control chip is connected with the temperature detection element and used for detecting the relation between the temperature of the battery and a first preset temperature and/or a second preset temperature when receiving the temperature of the battery; the temperature control semiconductor is arranged in a heat exchange area of the battery and connected to the control chip and used for determining whether to perform temperature compensation on the battery according to a detection result of the control chip; the first preset temperature is higher than or equal to the second preset temperature. With adoption of the technical scheme, the charging time can be shortened, the charging volume of the battery can be increased, the standby time and use time of the terminal can be prolonged, and the use experience of a user is improved.

The invention discloses a charge control method of a low-power independent photovoltaic generating system, belonging to the technical field of photovoltaic power generation. In the method, the charge efficiency of the independent photovoltaic generating system is improved by fully utilizing the output characteristic of the photovoltaic battery array and the charge characteristic of the lead-acid storage battery, optimum matching of the photovoltaic battery array and the lead-acid storage battery is realized, meanwhile, the acceptable charge current of the lead-acid storage battery is strengthened through self discharge of the lead-acid storage battery and the lead-acid storage battery is ensured to completely absorb the electric energy output by the photovoltaic battery array during charging, thus achieving the aim of improving the charge efficiency of the independent photovoltaic generating system.

The invention relates to a terminal, a charging method and device of the terminal. The method includes the following steps that: a first application which operates currently and first heat energy data of the terminal are determined at a first time point in the charging process of the terminal; a second application which operates currently and second heat energy data of the terminal are determined at a second time point in the charging process of the terminal, the interval of the first time point and the second time point is a first time interval; when the first application is different from the second application, the difference value of the first heat energy data and the second heat energy data is determined; and when the difference value of the first heat energy data and the second heat energy data is larger than a first set threshold value, charging current is adjusted. With the charging method provided by the embodiment of the invention adopted, relatively constant charging current can be provided for the terminal, and the temperature of the terminal will not rise too fast assuredly, and the charging rate of the terminal when the terminal is being used can be improved, and user experience can be enhanced.

The invention provides a charging method and a charging system. The charging method comprises the following steps: during charging, judging whether a first connecting port of a battery is being discharged or not; when the first connecting port is being discharged, judging whether the power consumption current is higher than a current threshold or not; when the power consumption current is higher than the current threshold, disconnecting a first battery core from a second battery core of the battery, and charging the battery through a second connecting port of the battery; when the power consumption current is lower than the current threshold, supplying power to the outside through a charging management module, controlling the first connecting port to stop discharge, connecting the first battery core with the second battery core, and charging the battery through the second connecting port; and when the first connecting port is not discharged, connecting the first battery core with the second battery core, and charging the battery through the second connecting port. Through the charging method and the charging system, a power consuming system connected with one connecting port and the charging management module connected with another connecting port are separated by the battery, so that local overheating caused by heat superposition of the two heat sources is avoided.

The invention discloses a mobile terminal, a charging current processing method thereof and a storage medium. The method comprises the following steps: when a user starts to use a charging mode of charging current, detecting current currently charging into a battery, when the current charged into the battery is smaller than set charging current, increasing charging voltage until the current charged into the battery is equal to the set charging current; and when the capacity of the battery is calculated to be greater than or equal to 95% of total capacity when the battery is fully charged, stopping current detection and the work of a voltage increasing module, and turning over to normal charging module work. When the mobile terminal urgently needs to be quickly charged, relatively high charging current can be maintained in the whole charging process, so that the effect of quickly charging the battery is reached, the user experience is promoted, and convenience is brought for the user.

Embodiments of the invention relate to the technical field of intelligent listening and wearing equipment, and disclose a Bluetooth earphone and a charging control method thereof. The Bluetooth earphone comprises a battery, a PCB electrically connected with the battery, a Bluetooth chip and a fast-charging chip, wherein the Bluetooth chip and the fast-charging chip are arranged on the PCB; when the temperature of the battery is within a preset interval, a charging current of I1 is applied to the battery by the Bluetooth chip; the fast-charging chip is used for charging the battery; when the temperature of the battery is within the preset interval, the fast-charging chip is used for applying a charging current of I2 to the battery; when the temperature of the battery is not within the preset interval, the fast-charging chip applies a charging current of less than I2 to the battery. According to the Bluetooth earphone and the charging control method thereof, rapid charging of the Bluetooth earphone can be realized.

The invention aims to provide a charging method and device based on temperature monitoring. By monitoring the temperature of a battery of the device, setting a limit threshold temperature (slightly lower than the over-temperature protection temperature of the battery) and restoring the threshold temperature, the battery maintains the higher charging current for a long time at the constant-currentcharging stage and under the condition of ensuring that the temperature of the battery of the device does not exceed the standard, the overall charging current at the constant-current stage is improved, and the charging time is shortened. According to the invention, the charging speed and the temperature rise can be considered simultaneously in the quick charging process. The method and the devicecan be applied to the field of consumer electronics, in particular to the small-sized or miniature electronic devices.

The invention relates to a method and a device for charging a terminal and the terminal. The method comprises the following steps: at the first moment in the terminal charging process, determining an operating state of a first processor of the terminal and first heat energy data of the terminal; at the second moment in the terminal charging process, determining the operating state of a second processor of the terminal and second heat energy data of the terminal; when the operating state of the first processor is different from that of the second processor, determining a difference value between the second heat energy data and the first heat energy data; and when the difference value between the second heat energy data and the first heat energy data is greater than a first set threshold, regulating charging current. Through application of the method and the device, relatively constant charging current can be provided for the terminal; the condition that the temperature of the terminal does not rise too fast is ensured; the charging rate in the process of using the terminal while charging is increased; and the user experience is improved.

The embodiment of the invention discloses a pixel structure and an array substrate. The pixel structure comprises a pixel unit, a data line and a first scanning line. The pixel unit comprises a thin film transistor TFT and a pixel electrode; the grid electrode of the TFT is electrically connected with the first scanning line; one end of the drain electrode and the source electrode of the TFT is electrically connected with the data line, and the other end of the drain electrode and the source electrode of the TFT is electrically connected with the pixel electrode; a liquid crystal capacitor is formed between the pixel electrode and a common electrode; a storage capacitor is formed between the pixel electrode and a second scanning line, and the second scanning line is the next scanning line of the first scanning line. After the TFT is started, the data line charges the pixel electrode; in the charging process, the driving voltage on the second scanning line is adjusted to second voltage from first voltage. According to the pixel structure and the array substrate, the charging performance can be improved, and the display effect can be improved.