423results about How to "Increase charging time" patented technology

A charging apparatus for electrically charging a capacitor storage type power source comprises a switching circuit for turning on / off the charge current, a current detection circuit for detecting the charge current, a voltage detection circuit for detecting the voltage of power source, a constant current control circuit for outputting an error amplifying signal according to the current value, a power control circuit for outputting an error amplifying signal according to the current value, the voltage value-and a power reference value, a constant voltage control circuit for outputting an error amplifying signal according to the voltage value and a voltage reference value, an OR circuit for selecting one of the error amplifying signals and a control circuit for generating a pulse width modulation signal according to the error amplifying signal output from the OR circuit to turn on / off the switching circuit and control the charge current.

The invention provides an array substrate, a display device and a driving method of the display device, so as to solve the problems that the refresh rate of the charging time of a pixel electrode can not be ensured as the existing liquid crystal display panel is improved at the same time, and the response time of the liquid crystal display panel is insufficient. The array substrate comprises a substrate, gate lines and data lines, wherein the gate lines corresponding to the 2m-th row of pixel units and the gate lines corresponding to the (2m-1)th row of the pixel units receive the same control signal; and each column of the pixel units corresponds to two data lines and the two data lines comprise a first data line and a second data line. By utilizing the technical scheme, the refresh rate of the display device can be improved, and a pixel electrode can be guaranteed to have sufficiently long charging time at the same time, thus the response time of a picture of the display device is sufficiently long and the quality of the picture is ensured.

The invention relates to the field of electronic consumption, and particularly relates to a battery discharging method of a mobile terminal, a device and a mobile terminal. The method comprises the following steps of: utilizing a constant current to charge a battery, obtaining the internal resistance of the current battery, and obtaining the current charging cut-off voltage of the internal resistance of the current battery; and judging whether the current battery voltage is greater than or equal to the current charging cut-off voltage, if not, returning to the step to obtain the internal resistance of the current battery, and if so, utilizing the constant voltage to charge the battery. According to the mobile terminal and the battery charging method and the device provided by the invention, the mobile terminal charging cut-off voltage of the mobile terminal is adjusted through compensating the voltage consumed by the internal resistance of the battery, so as to prolong the charging time in the constant current step, thereby reaching the aim of rapidly charging with no increase of the cost, the charging speed is improved, the effect of the high current charging battery is more obvious, and the user experience is preferably promoted.

A charging apparatus for electrically charging a capacitor storage type power source comprises a switching circuit for turning on / off the charge current, a current detection circuit for detecting the charge current, a voltage detection circuit for detecting the voltage of power source, a constant current control circuit for outputting an error amplifying signal according to the current value, a power control circuit for outputting an error amplifying signal according to the current value, the voltage value-and a power reference value, a constant voltage control circuit for outputting an error amplifying signal according to the voltage value and a voltage reference value, an OR circuit for selecting one of the error amplifying signals and a control circuit for generating a pulse width modulation signal according to the error amplifying signal output from the OR circuit to turn on / off the switching circuit and control the charge current.

The invention belongs to the technical field of display and discloses a touch screen and a driving method thereof and a display device. A plurality of public electrodes on an array substrate form a plurality of touch driving electrodes, every touch driving electrode comprises one or a plurality of public electrodes, the plurality of touch driving electrodes form a plurality of touch driving electrode groups, every touch driving electrode group comprises one or a plurality of touch driving electrodes, a color film substrate is provided with a plurality of touch induction electrodes, and the touch driving electrodes and the touch induction electrodes are crossed in wiring. A driving circuit is arranged, public electrode signals are transmitted to all the touch driving electrodes at a display time period within display time of a picture frame, and touch scanning signals are transmitted to one touch driving electrode group merely. Due to the fact that touch detection is performed on part of touch detection points within the display time of the picture frame, charging time of a pixel unit is increased, and design difficulty of the pixel unit is lowered.

The invention discloses an array substrate, and the array substrate comprises m*n subpixels. The adjacent odd-numbered and even-numbered rows are controlled at the same time through one grid line, andone column of pixels are controlled through two data lines. The embodiment of the invention provides the array substrate, a driving method, a display panel and display equipment. The compensation ofa threshold voltage and a voltage drop of the array substrate can be achieved, and the uniformity of a drive current is improved, thereby improving the display uniformity of the display panel, reducing the leaked current so as to guarantee the high contrast during a black state, and improving the display effect of the electroluminescent diode array substrate, display panel and display equipment.

The invention discloses a liquid crystal display panel, a liquid crystal display device and a driving method of the liquid crystal display device. The liquid crystal display panel comprises multiple pairs of data lines, a plurality of scanning lines and a pixel unit array; the first scanning line and the second scanning line turn on TFT (thin film transistor) switches of two rows of pixel units at the same time according to scanning drive signals; the first data line and the second data line charge pixel electrodes of the two rows of pixel units through the TFT switches according to data drive signals. The charging time of the pixel electrodes is longer, and display effect is more stable. The liquid crystal display panel has more evident advantages when applied to high-definition display devices.

In a phase-locked battery charge system, the structure its circuit is similar to a phase-locked loop; by means of its specific auto-tracking and auto-locking capabilities, a complete battery charge process can be accomplished automatically in the order of bulk current charge, variable current charge, and float charge. Therefore, this invention features with its simple circuit structure, good charge current, and assured safe charge effect.

Motor output is suppressed without giving an uncomfortable feeling to a driver. When a target drive torque for driving a wheel is set, a high charge time torque which can be outputted in a high state of charge of a battery and a low charge time torque which can be outputted in a low state of charge of the battery are set based on an accelerator operation amount and a vehicle speed. Subsequently, a difference between the high charge time torque and the low charge time torque is multiplied by a charge correction coefficient corresponding to a state of charge, this calculated value is added to the low charge time torque Tl, and the target drive torque is calculated. Accordingly, the target drive torque can be lowered according to the state of charge, and overdischarge of the battery can be prevented. Further, even in the case where the target drive torque is lowered, the target drive torque can be changed according to the accelerator operation, and an excellent feeling can be given to the driver.

The invention provides a lithium battery pack charging method. According to the lithium battery pack charging method, the diversity of single cells is gradually reduced by adopting four stages of a constant-current pre-charging mode, a constant-current equalizing charging mode, a constant-voltage current-reducing charging mode, and a constant-current trickle charging mode. The relatively poor single cell can be relatively fully charged, and the relatively good cell can be discharged in an equalizing manner by controlling the charging time and charging current of the single cell with a relatively poor performance so as to achieve the effect that the diversity of the single cells is well reduced. The cells can be recovered to a certain degree by stopping charging for a period of time in the constant voltage charging mode, the voltage of the relatively-high-voltage single cell is reduced to a certain degree, so that the charging time can be prolonged for the relatively low voltage cell, and finally the cell is charged with trickle with the minimum charging current. This period of the charging time is prolonged so that the relatively low voltage cell keeps to be changed for a long time. In the whole charging process, the diversity of the single cells is reduced by prolonging the charging time so as to achieve the effect that the cells are relatively fully charged, and the service life of a battery pack is relatively long.

The station-charging trolleybus system for city public traffic includes trolleybus, contact network, double-wire current collecting pantograph, station ground road mark, sensing source and current collecting switch device. The connection mode includes setting the double-wire current collecting pantograph in the top of the trolleybus, contacting the double-wire current collecting pantograph to the contact network in the charging station, setting the current collecting switch device inside the trolleybus, and embedding passive metal parts on the ground of station entrance as the sensing source corresponding to the suspended section of the network access. The present invention has reasonable system constitution, network-free running of the trolleybus, low cost of the trolleybus and attached equipment, safe and reliable operation and simple implementation.

A pixel driving circuit comprises a light emitting diode, a second transistor, a pulse amplitude modulation transistor, a control transistor, a scanning transistor and a pulse width modulation transistor. The light emitting diode comprises an anode and a cathode. The input end of the second transistor is connected with the cathode. The output end of the pulse amplitude modulation transistor is connected with the control end of the second transistor. The input end of the control transistor is connected with the control end of the second transistor and the output end of the pulse amplitude modulation transistor. The output end of the scanning transistor is connected with the control end of the control transistor, the scanning transistor is configured to receive a control scanning signal, andthe time for controlling the scanning signal to reach the threshold voltage of the scanning transistor is the light-emitting time of the light-emitting diode. The output end of the pulse width modulation transistor is connected with the input end of the scanning transistor.

The invention provides a pixel charging method and an electronic device. The method comprises the following steps: determining the polarity of a voltage signal supplied by a multiplexing control circuit to a target data line among M data lines; if the polarity is the first polarity, controlling the duration of the voltage signal supplied to the target data line to be equal to the first charging duration; If the polarity is the second polarity, controlling the duration of the voltage signal supplied to the target data line to be equal to the second charging duration; the first charge duration is longer than the first minimum charge duration required when the sub-pixel is charged by the voltage signal of the first polarity; the second charge duration is longer than that of the sub-pixel whenthe sub-pixel is charged by the voltage signal of the second polarity, and the second minimum charge duration is smaller than that of the predetermined charge duration. The predetermined charge duration is longer than the second minimum charge duration and smaller than the first minimum charge duration. The invention can ensure that the sub-pixel charging time is sufficient.

The invention provides an automatically balancing and adjusting method for charging and discharging series storage battery and a device thereof. The device is formed by a DC / DC inverter, wherein, an input end of the DC / DC inverter is connected with a positive end and a negative end of the storage battery, while N groups of completely same current output ends are respectively connected with positive electrodes and negative electrodes of corresponding N batteries; as long as a high-frequency pulse generator is started to work, the inverter can directly distribute electric quantity according to voltage of each battery to transfer electric quantity from a high-capacity battery to a low-capacity battery, so that voltage and electric capacity of each battery tends to be the same to realize balance. The automatically balancing and adjusting method can avoid the phenomena of over charge and over discharge of the storage battery during the process of charging and discharging, thereby protecting the storage battery, and prolonging the service life of the storage battery.

A gate driving method for a liquid crystal display (LCD) and a gate driver thereof are provided. The LCD has a plurality of scan lines. The method starts by generating a gate driving signal. A correction signal is superposed to the gate driving signal to generate a corrected gate driving signal and to reduce a high voltage level of the gate driving signal, wherein a polarity of the correction signal is opposite to a polarity of the gate driving signal. The corrected gate driving signal is then outputted to drive one of the corresponding scan lines.

The invention discloses a TFT-LCD (thin film transistor-liquid crystal display) panel and a driving method thereof and relates to the field of liquid crystal displays. Panel power consumption cannot be increased while requirements of pixel charge rate can be met at high refresh frequency. The TFT-LCD panel comprises a plurality of sub-pixel units crosswise defined by several rows of grid lines and several columns of data lines, each row of grid lines is connected with a GOA (gate driver on array) unit used for providing grid driving signals, a first data line and a second data line which are used for providing data to the sub-pixel units in each column are arranged on two sides of each column of the sub-pixel units respectively, each two adjacent sub-pixel units in each column are respectively connected with the first data line and the second data line, each two GOA units provide the same grid driving signals, and one of the two GOA units providing the same grid driving signals is connected with the grid lines in odd rows while the other of the two GOA units is connected with the grid lines in even rows.

A driving circuit and a gray insertion method of a liquid crystal display (LCD) are provided. The gray insertion method includes analyzing whether a current frame belongs to a dynamic frame or a static frame. When the current frame belongs to a dynamic frame, charging time of a gray insertion image is extended. When the current frame belongs to a static frame, the charging time of a gray insertion image is shortened. As a result, motion blur on the LCD can be reduced and image quality can be increased.

The invention provides a liquid crystal display processing method, apparatus and equipment. For each frame of picture, a time controller sends N STV signals corresponding to the frame of picture to one gate driver; the gate drivers control N-time pre breakover of thin film transistors (TFTs) at all rows of a liquid crystal display panel successively according to the N STV signals; before closure of the first pre breakover at an Mth row, N+1th STV signals are sent to the gate drivers; according to the N+1th STV signals, the gate drivers control the N+1th breakover of the TFTs at all rows of the liquid crystal display panel, so that source drivers carry out final charging of storage capacitors at all rows conveniently; and meanwhile, pre charging of the storage capacitors at all rows after pre breakover of the TFTs is carried out. According to the liquid crystal display processing method, before displaying of one frame of picture, charging of the storage capacitors at all rows in the screen is carried out at least twice and thus charging time of the storage capacitors at all rows of the liquid crystal display panel is prolonged, so that the electric quantities at the two ends of the storage capacitors at all rows can meet the requirement of picture displaying to the greatest extent and thus the picture quality of the liquid crystal display device is improved.

A power storage system for a vehicle includes a battery, a temperature sensor, a battery heater, a charger, and a controller. The battery is configured to supply electric power to a motor for traveling of the vehicle, and configured to be charged with external power supplied from an external power supply. The temperature sensor is configured to detect a temperature of the battery. The battery heater is configured to raise the temperature of the battery. The charger is configured to be connectable with the external power supply, and deliver the external power to the battery and the battery heater, respectively. The controller is configured to perform charge control. The charge control is a control that charges the battery with the external power. The controller is configured to store a map. The map specifies, for each temperature of the battery, a ratio of a temperature-elevating power supplied to the battery heater to a maximum power of the external power at the time when a charging time is minimized. The controller is configured to calculate the ratio, using the map, from the temperature of the battery measured at the time when charging is started. The controller is configured to perform temperature regulation control during charging, using the temperature-elevating power corresponding to the calculated ratio. The temperature regulation control is a control that supplies a part of the external power to the battery heater during charging so as to raise the temperature of the battery.

The invention provides a driving method of a liquid crystal display, and the liquid crystal display includes a liquid crystal panel component, a plurality of scanning lines and data lines which are limited in a cross mode, a source electrode actuator, a grid electrode actuator and a time schedule controller. An image processor is arranged inside the time schedule controller, the image processor outputs a normal picture frame in a cross mode and produces a black picture frame, and scanning frequencies of the normal picture frame and the adjacent black picture frame are different. When pictures of the display are output, the adjacent two pictures utilize different picture frame scanning frequencies; due to the fact that the picture frame scanning frequencies directly affect the charging time of pixels, the faster the picture frame scanning frequency is, the shorter the charging time is. By increasing the black picture frame scanning frequency and decreasing the normal picture frame scanning frequency, the driving method of the liquid crystal display can greatly increase the charging time of the pixels of the normal picture frame. Frequency doubling is carried out over clock signals which are input from the exterior and are provided for an internal circuit to carry out a picture frame scanning frequency modulation, so that the purpose of regulating a duty ratio between the two adjacent pictures is achieved.

A driving method of grid on liquid crystal display includes generating signal for driving grid, superimposing revision signal in opposite polarity to driving signal of grid on grid driving signal for generating revised driving signal of grid in order to lower high potential level of grid driving signal and output the revised signal, utilizing this revised grid driving signal to drive corresponding scanning line.

The invention proposes a charging optimization method of a lithium ion battery, and belongs to the technical field of a lithium ion battery. The charging optimization method comprises the following steps of performing constant-current charging on the lithium ion battery by employing first-stage charging rate; performing constant-current charging on the lithium ion battery by employing second-stagecharging rate when the voltage reaches a charging cutoff voltage of the lithium ion battery; performing similarly until constant-current charging of a fourth stage is performed; and employing short-time constant-voltage charging when the voltage reaches the charging cutoff voltage of the lithium ion battery, and stopping charging when the constant-voltage charging time reaches preset time. With the charging optimization method proposed by the invention, the charging time can be reduced, the capacity loss is reduced, the service lifetime of the battery is prolonged, and the circuit is easy toimplement.

A device for restricting movement of a vehicle during connection of a charging cable, the vehicle being equipped with a battery chargeable from an external power source via the charging cable, the device including a charging cable connection detecting section that detects that the charging cable is in a connection state, a vehicle body movement detecting section that detects movement of a vehicle body of the vehicle based on moving speed and moving distance of the vehicle, and a braking section that brakes the vehicle when the movement of the vehicle body is detected while the charging cable is in the connection state based on signals from the charging cable connection detecting section and the vehicle body movement detecting section.

The invention relates to the field of recycling and reusing of waste lead storage batteries, in particular to a waste lead storage battery repair and activation method. Aimed at solving the problems existing in the prior art, appearance inspection, instrument testing, primary charging and discharging detection, and original capacity inspection are performed at first; then a repair and activation agent is added, an activation instrument adopts specific high-frequency impulse current to perform repair and activation as well as excitation, a discharging instrument is used to discharge the activated battery for capacity inspection, and discharging further simultaneously promotes the penetration of effective ingredients of the repair and activation agent into the battery; finally, self-discharging detection, battery enclosing, charging and discharging simulation and the like are performed, irreversible sulfate crystals on a pole plate of the storage battery are better cleaned away and avoided, the contact area of an active substance of the pole plate with an electrolyte is greatly enlarged, the function degeneration phenomenon of the waste storage battery is recovered to be higher than 86% of original functions, and the service life of the storage battery is prolonged by more than one time.

The invention discloses a liquid crystal display and a liquid crystal display panel. The liquid crystal display panel comprises a plurality of data lines, a plurality of scanning lines and a plurality of sub-pixels arranged in a matrix form; three rows of scanning lines are arranged between each two rows of the sub-pixels; and a line of data lines are arranged between each line or each two lines of the sub-pixels. According to the technical scheme of the invention, the pixel charging time can be prolonged when the high-quality requirement is met.

A fast charging method, a fast charging system, and a fast charging apparatus for a series battery pack, where the fast charging method including obtaining charge parameters of battery units in a series battery pack, determining, based on the charge parameters, whether there is a differentiated battery unit in the series battery pack, where the differentiated battery unit is a battery unit whose charge parameter is different from a charge parameter of the rest battery units in the series battery pack, and changing the battery units in the series battery pack to a parallel connection when there is a differentiated battery unit in the series battery pack, and performing parallel charging on the battery units. Hence, the fast charging method for a series battery pack can effectively shorten a charging time.