65results about How to "Avoid undercharging" patented technology

An embodiment of the invention provides a display device, a gate driving circuit and a driving method of the gate driving circuit and relates to the technical field of displaying. The gate driving circuit comprises at least two stages of shifting register units and at least one compensating unit, each compensating unit is arranged between every two adjacent shifting register units, the scanning signal output ends of first shifting register units are connected with the first signal input ends of the compensating units, the first signal output ends of the compensating units are connected with the reset signal ends of the first shifting register units, the scanning signal output ends of second shifting register units are connected with the second signal input ends of the compensating units, the second signal output ends of the compensating units are connected with the control signal input ends of the second shifting register units, and the compensating units are connected with at least one compensating voltage end, a first voltage end and a second voltage end. The display device, the gate driving circuit and the driving method of the gate driving circuit have the advantages that gate scanning signals can be compensated during blanking time, and the problem that a pixel unit cannot be charged fully since the blanking time is prolonged can be solved.

The invention discloses a charging control device, a charging control method and a battery management system. The charging control device is used for controlling the process of charging a battery pack by a charging device, and comprises a battery state acquisition unit and a control signal generation unit, wherein the battery state acquisition unit is used for acquiring the state of each single battery in the battery pack, and the state of each single battery in the battery pack at least comprises the voltage of each single battery; and the control signal generation unit is used for switching the charging mode of the charging device according to the voltage of the single battery in the battery pack, and the charging mode comprises at least one of a constant-current charging mode and a constant-voltage charging mode as well as a pulse charging mode. More accurate charging control can be provided according to the device, the method and the system provided by the invention.

The invention discloses a method for driving a double-gate liquid crystal display panel. The method comprises the following steps of: sequentially classifying four scanning lines into one group; at a first period of time, switching on a first scanning line, inputting a first pre-charging signal into a pixel unit connected with the first scanning line, switching on a second scanning line, inputting a first information signal into the pixel unit connected with the first scanning line, inputting a second pre-charging signal into a pixel unit connected with the second scanning line, switching off the first scanning line and keeping the second scanning line on, inputting a second information signal into the pixel unit connected with the second scanning line and switching off the second scanning line; and at a second period of time, switching on a third scanning line, inputting a third pre-charging signal into a pixel unit connected with the third scanning line, switching on a fourth scanning line, inputting a third information signal into the pixel unit connected with the third scanning line, inputting a fourth pre-charging signal into a pixel unit connected with the fourth scanning line, switching off the third scanning line and keeping the fourth scanning line on, inputting a fourth information signal into the pixel unit connected with the fourth scanning line and switching off the fourth scanning line, wherein the pre-charging signal and the information signal of each pixel unit have the same polarity.

An array substrate and a method for fabricating the array substrate, a display device and a method for driving the display device are provided. The array substrate includes: a substrate having a first surface and a second surface; a touch control signal driving line disposed on the first surface; an isolation layer disposed on the first surface and covering the touch control signal driving line; a via hole formed in the isolation layer; and a gate line disposed on the isolation layer and electrically connected to the touch control signal driving line through the via hole. The scanning time of the array substrate is not reduced due to a touch control detection, and the undercharge of pixels is thus avoided.

A control apparatus and method for controlling an electric rotating machine for vehicle reduces shock at the time of switching power generation mode. The control apparatus include an electric rotating machine functioning as a starter motor and a charging generator 1, an inverter comprised of switching elements 14 to 19, a field current controller 5 for controlling an electric current of a field coil 4 of the electric rotating machine 1, and a controller 24 by which power is generated in an inverter generation mode in a low-speed rotation range and in an alternator generation mode in a high-speed rotation range. A hysteresis is established between a rotating speed in switching from the inverter generation mode to the alternator generation mode and a rotating speed in switching from the alternator generation mode to the inverter generation mode under the control of the controller 24.

The invention discloses a gate-driver-on-array circuit. The circuit comprises a first capacitor, a charging path and a charging-discharging path, wherein one end of the first capacitor serves as a pull-up node, and the other end of the first capacitor serves as an output end; the charging path is connected with a signal input end and a signal control end; the charging-discharging path is connected with the signal input end, the signal control end and a clock signal input end; the charging path is conducted to charge the first capacitor under a combined action of an input signal provided by the signal input end and a control signal provided by the signal control end; and the charging-discharging path is conducted to charge the first capacitor under a combined action of the input signal provided by the signal input end, the control signal provided by the signal control end and a clock signal provided by the clock signal input end, so that the level of the pull-up node is increased, the PU point level of a GOA of a stage needed to be started after end of Touch can be effectively improved, and the problem of insufficient charging of a TFT is solved. The invention discloses a touch display apparatus and a touch electronic device.

The invention discloses a multifunctional full-automatic gas charging device of SF6 equipment and relates to the technical field of devices for charging compressed gas. The device comprises an SF6 gas cylinder and an electric control cabinet. The electric control cabinet comprises a cabinet body. The cabinet body is provided with a gas inlet and a gas outlet. A gas outlet of the SF6 gas cylinder is connected with the gas inlet of the cabinet body. The gas inlet of the cabinet body is connected with the gas outlet of the cabinet body through a pipe. An electric control panel is further arranged in the cabinet body. The electric control panel comprises a microprocessor, a gas cylinder side temperature and pressure intensity sending module, an equipment side temperature and pressure intensity sensing module, a proportional solenoid valve, an environmental information sensing module, a man-computer interaction module, a prompt module and a power module. The device can automatically complete gas charging of the SF6 equipment, the working efficiency is improved, gas charging is controllable, and precision is high.

An embodiment of the invention provides a cell box charging system and a cell box power system. The cell box charging system comprises switches which are correspondingly connected with each cell pack. The cell box power system comprises a cell box, and switches and binding posts which are correspondingly connected with each cell pack in the cell box. When the cell box charging system is in charging, connection between each switch, the battery pack and an external power supply enables each battery pack which needs charging to form a parallel circuit to carry out charging, battery packs with large and small power consumption can reach uniform charging, and a service life of the cell box is greatly prolonged. Simultaneously, when the cell box power system is in charging, a parallel circuit is formed to carry out charging, charging of the cell box is more uniform, and the service life of the cell box also is greatly prolonged.

The invention provides a pixel charging duration adjustment method, a time schedule controller and a display device, and the adjustment method comprises the steps: using a part of the duration of a field blanking region of each frame of image to compensate for the duration of a row blanking area of each row of pixels under the condition that the charging duration of each frame of image is kept unchanged; gradually increasing the duration of the row blanking areas of the pixels from the first row to the nth row from the near to the distant from a source driver, so that the duration of the row blanking areas of the pixels from the first row to the nth row is gradually increased, namely, the charging duration of the pixels from the first row to the nth row from the far to the near from the source driver is gradually increased. Therefore, the defect that the resistance-capacitance loads of the data lines corresponding to the pixels from the first row to the nth row from near to far away from the source driver are larger and larger is correspondingly compensated, so that the charging duration of each row of pixels is increased, namely the charging rate of each row of pixels can meet the requirement, and the problem that the charging rate of the pixels in the far-end row is insufficient is solved.

The invention relates to a storage battery voltage balance management system. The storage battery voltage balance management system is characterized by comprising a charging unit, a plurality of single battery voltage balance units and a voltage balance management control unit, wherein the voltage balance management control unit is used for analyzing the voltage and current of single batteries of a storage battery monitored by the plurality of single battery voltage balance units and judging the voltage balance state of the storage battery so as to control the charging state, discharging state or pause state of the single batteries, thus finally realizing the balance of the voltage of the each section of the storage battery. According to the storage battery voltage balance management system, through the balance management control of the single batteries during charging and discharging of the storage battery, the single batteries of the storage battery are balanced, the overcharging and undercharging can be avoided, and the service life is prolonged.

The invention relates to a headlamp signal control rectifier current output device which comprises a relay, a voltage stabilizing pipe II, a filter capacitor, a balancing resistor and a signal wire. When a motorcycle is ridden at daytime, the signal wire has no signal, the relay is switched off, the voltage stabilizing work of the headlamp signal control rectifier current output device is realized by a voltage stabilizing pipe I, namely a voltage stabilizing value is between 14.5V and 15V, and the saturation of a storage battery with the voltage can reach more than 95 percent; when the motorcycle is ridden at night, a headlamp switch is turned on, a power supply of the signal wire enters the relay, the relay is powered on, and the voltage stabilizing work of the headlamp signal control rectifier current output device is realized by the voltage stabilizing pipe II, namely the voltage stabilizing value is between 15.5V and 16V; and the 2,500 rpm low-rotating speed charging current of an engine is improved by two amperes to realize the dual functions of low energy consumption at daytime and electric energy supplement to the storage battery by high-efficiency large current during low-speed running at night.

The invention discloses a gas mixture filling device of high-voltage electrical equipment in an extremely cold area. The gas mixture filling device comprises a gas-filling device temperature-regulating box and a gas filling device body arranged in the gas-filling device temperature-regulating box; the gas-filling device temperature-regulating box is provided with a temperature regulating device; the gas filling device body comprises an SF6 gas filling pipeline, a CF4 or N2 gas filling pipeline, a mixed gas cylinder and a ratio flow control device; an output opening of the SF6 gas filling pipeline and an output opening of the CF4 or N2 gas filling pipeline communicate with an input opening of the mixed gas cylinder; the SF6 gas filling pipeline sequentially comprises an SF6 gas tank interface, a high pressure reducing valve, a first proportional solenoid valve, a first manually-operated valve and a first mass flow controlling instrument from an input opening to the output opening; the CF4 or N2 gas filling pipeline sequentially comprises a CF4 or N2 gas source tube interface, a second proportional solenoid valve, a second manually-operated valve and a second mass flow controlling instrument from an input opening to the output opening; and the mixed gas cylinder is provided with an output pipeline for being connected with the high-voltage electrical equipment. The gas mixture filling device of the high-voltage electrical equipment in the extremely cold area has the characteristics of being constant in gas supplying pressure, safe, reliable, resistant to low temperature and the like.

A pixel driving circuit for an organic light-emitting diode (OLED) display panel is provided. The circuit includes a restoration module, a compensation module including a storage capacitor, a light-emitting module, and a storage capacitor control module. The restoration module receives a first control signal and a restoration voltage and restores the compensation module and the light-emitting module under the control of the first control signal. The compensation module receives a second control signal, and writes a data signal and compensates a threshold voltage under the control of the second control signal. The light-emitting module receives a third control signal and illuminates under the control of the third control signal. The storage capacitor control module adjusts a capacitance value of the storage capacitor in the compensation module according to different refresh frequencies of the OLED display panel, preventing insufficient charging due to an increasing refresh frequency.