67results 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 present invention provides a gate driving circuit and a driving method thereof, a display device, which relates to the field of display technology. The gate driving circuit may comprise a plurality of mutually cascaded shift register units and a pre-charging unit, the gate row drive scanning and touch control scanning of the plurality of mutually cascaded shift register units are performed alternately. By additionally arranging a pre-charging unit connected with the corresponding first stage of shift register unit when the gate row drive scanning is performed again after the touch control scanning is accomplished, the first stage of shift register unit can be pre-charged during the touch control scanning. In this way, the electric leakage phenomenon of the pull-up control node (PU point) of the corresponding first stage of shift register unit when the gate row drive scanning is performed again after the touch control scanning is accomplished due to a relatively long touch control scanning time interval between outputs of two rows of shift register units is avoided, thereby avoiding the defect of insufficient charging rate of row of pixels while ensuring touch control scanning of high report rate.

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 relates to a clock signal generation circuit, a grid driving circuit, a display panel and a display device. The clock signal generation circuit comprises a selecting module, a high level signal input end, a low level signal input end, a first clock signal end, a second clock signal end and an output end, wherein the first clock signal end is used for inputting a first clock signal to the selecting module; the second clock signal end is used for inputting a second clock signal to the selecting module; the selecting module is used for gating or disconnecting the high level signal input end with the output end according to the first clock signal, and gating or disconnecting the low level signal input end with the output end according to the second clock signal; the selecting module is also used for gating the high level signal input end and the low level signal input end with the output end in turn and enabling the output end to output a target clock signal. The clock signal generation circuit is capable of reducing distortion of the target clock signal.

A developing roller on a circumferential surface of which toner is held includes a plurality of first grooves formed in parallel to each other at approximately equal intervals, each in a direction inclined to a circumferential direction of the circumferential surface of the developing roller; a plurality of second grooves formed in parallel to each other at approximately equal intervals, each in a direction inclined to the circumferential direction of the circumferential surface of the developing roller, each second groove intersecting each first groove, the first groove and the second groove each having a U-shaped cross section; and a protrusion portion disposed in an area surrounded by the first groove and the second groove. In the developing roller, the protrusion portion has on a top surface thereof a plurality of minute projections, and when a surface roughness Rz of the top surface is RO, RO is 0.5 to 2 times an average grain size of a particle of the toner; when a distance from an average line of a roughness curve of the surface roughness RO to a deepest part of the first groove is D1 and a distance from the average line of the roughness curve of the surface roughness RO to a deepest part of the second groove is D2, each of D1 and D2 is 0.5 to 2 times the average grain size of the particle of the toner; and a relationship of the RO<D1 and the RO<D2 is satisfied.

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.

The invention discloses a residential-community electric automobile charging system. The system comprises a charging statistics module, a first power module, a second power module, a charging determination module, a charging time setting module, a charging display module, a first communication module, a second communication module and a controller. A charging pile is provided with the charging determination module so as to determine whether an electric automobile begins to be charged according to an acquired charging quantity, charging time, first power, a maximum power limiting value, second power and the like. The electric automobile satisfying a charging condition can be charged at an electricity price valley value period so that charging cost is saved. A large scale of the electric automobiles in a residential community can be charged in order after accessing a power grid so that negative effects on safe and economic operation of an electric power system are avoided. The charging time setting module is set so that a user sets automobile use time according to a need and a condition that the automobile is not fully charged when the user wants to go out is avoided. The charging display module is set so that the user can conveniently and visually acquire charging information of the electric automobile.

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 present invention discloses an intelligent multi-path mixed battery manager based on a daisy chain bus. The intelligent multi-path mixed battery manager comprises a switching power source, a basestation load, a lead-acid battery pack, a direct current bus and a plurality of lithium battery power supply units; one end of the switching power source is connected with an electric supply, and theother end of the switching power source is connected with the direct current bus; the base station load, the lead-acid battery pack and the lithium battery power supply units are connected in paralleland are connected with the direct current bus. The signal communication between the lithium battery power supply units is achieved through the daisy chain bus. The present invention further disclosesa control method and an application of the battery manager mentioned above.

Provided is a display panel the cost and current consumption of which are reduced by reducing the number of data signal lines compared to conventional ones, a display device provided therewith, and a drive method therefor. Each pixel forming part (10) included in a display unit (200) of a display device is configured by arranging three sub-pixel forming parts (1r, 1g, 1b) for forming sub-pixels respectively having different color components in a data signal line extension direction. Each data signal line (30) is disposed between an odd-numbered sub-pixel forming part vertical column (3) from the front in a scan signal line extension direction and a sub-pixel forming part vertical column (3) adjacent to and behind the odd-numbered sub-pixel forming part vertical column (3) in the scan signal line extension direction. To each data signal line (30), the sub-pixel forming part vertical columns (3, 3) located on both sides thereof are connected. Each scan signal line (40) is disposed on both sides of the sub-pixel forming part in the data signal line extension direction. The sub-pixel forming part vertical columns (3, 3) adjacent to each other are connected to the scan signal lines (40) different from each other.

The invention provides a pixel charging method of a liquid crystal display panel. Each pixel unit is defined by a gate line and two data line. The liquid crystal display panel uses an hG-2D driving mode in which two adjacent gate lines can be simultaneously activated, the signal of pixel units in each column is simultaneously provided by two data lines, and all pixel units on two adjacent gate lines can be charged simultaneously. A relative charge mode is characterized in that every two adjacent gate lines are divided into a group; each group of the gate lines is activated for two times; the first time is pre-charging time, the second time is actual charging time; certain time is arranged between two pulses; the charging time of each pixel unit is defined as T, the actual charging time is defined as t, the T = the pre-charging time + t and the interval time of two pulses is t. In the hG-2D driving mode, a phenomenon of insufficient charging or erroneous charging is prevented while charging time is doubled by adding the pre-charging time and changing a pre-charging driving mode.

The invention provides a repairing circuit for a displaying panel, comprising a substrate, two groups of bus-bars, and at least one repairing wire, wherein the two groups of bus-bars are arranged on the substrate; each group of bus-bar comprises a plurality of identical leads; the at least one repairing wire is arranged above or below the bus-bar in an insulating manner and is crossed to each lead. The repairing circuit can introduce the signal of the lead at the other side when the lead of one bus-bar of the displaying panel driven at two sides is cracked, thus repairing the dual-sided driving function and avoiding the insufficiently charging problem resulting from single-sided driving; furthermore, the reject rate of the panel due to fracture of the lead can be reduced; and the space occupied by the repairing wire is not enlarged, and the identical panel design is maintained.

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 objective of the present invention is to provide a driver device whereby cost increases and aperture ratio declines are alleviated and it is possible to avoid inadequate charging of pixel electrodes even when it becomes necessary to charge the pixel electrodes rapidly. A driver device (10) according to the present invention comprises: a scan line drive circuit (12) which, between scan intervals in which an nth scan line (Gn) is scanned, executes a first scan which commences a supply of a scan signal, having an intermediate potential (Vgl') between a low-level voltage (Vgl) and a high-level voltage (Vgh) with respect to an n+mth scan line (G(n+1)) in an interval wherein a scan line is not scanned, and which ends a scan at the intermediate potential (Vgl') of the n+mth scan line (G(n+1)) at the point in time when the scan of the nth scan line (Gn) ends.

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 discloses a drive control method of liquid crystal display panel pixels and a liquid crystal display panel. In the drive control method, the demanded time of switching one liquid crystal display panel picture is a charging period, wherein at least one charging period includes a high-voltage charging stage and a voltage correcting stage; the voltage amplitude of the high-voltage charging stage is more than a preset voltage amplitude so that liquid crystal pixels can quickly accumulate electric quantities in a shorter time; the voltage value of the voltage correcting stage is equal to a preset voltage value so that the voltage can be precisely defined in the preset voltage value. According to the drive control method, the liquid crystal pixels can reach the preset voltage value in the short time, and the display quality of the liquid crystal display panel is improved.

The invention provides a charge / discharge control circuit which can well prevent the undercharge of batteries and a battery device. Even if the overcharge detection voltage of a certain charge / discharge control circuit is below the detection voltage of an electric quantity balancing (electric quantity balancing) period because of a fabrication tolerance generated when charge / discharge control circuits (10) are produced in mass, the detection of the electric quantity balancing period is also carried out before the charge stop of each battery. Namely, after electric quantity balancing control, the charge of each battery is stopped. Thus, the undercharge of each battery can be well prevented.

A start device for a small-sized engine, which can start the engine in an appropriate start time and which is ultimately reduced in size and weight by rational design. The start device has a small-sized electric motor (131) and secondary batteries. The batteries are used as the power source necessary for the drive of the small-sized engine, have a relatively large capacity, and are extremely reduced in size. A reduction gear mechanism (132) with a reduction ratio of 1 / 30 - 1 / 90 is placed between the electric motor (131) and a cushioning and force storage section (110). The start device can start the engine in an extremely short time of 0.4 - 1.3 seconds which does not cause any inconvenience to the operator.

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 charging control method. The method comprises the steps of determining a pre-charging state of a battery before the battery starts to be charged; and charging the battery insegmented charging modes on the basis of the pre-charging state, wherein the segmented charging modes are a constant-current charging mode, a constant-voltage charging mode and a constant-current charging mode in sequence. The invention further discloses a charging control device and a computer storage medium.

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 liquid crystal display device comprises a liquid crystal display panel including a plurality of pixels are arrayed substantially in a matrix, and a display control circuit which sequentially selects the rows of pixels in synchronism with a horizontal period of a sync signal externally supplied together with a video signal, and drives the pixels of a selected row in accordance with pixel data items obtained from the video signal for each horizontal period. The display control circuit includes a clock generator which generates a reference clock signal of a constant frequency, a period detector which detects a length of the horizontal period as the number of pulses of the reference clock signal, and a drive timing generator which adjusts a row selection period based on the number of pulses detected by the period detector.

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.