330results about How to "Shorten discharge time" patented technology

A pulse-width modulated buck regulator includes a feedback control without having any external frequency compensation components to stabilize the feedback control loop irrespective of the reactive component of its load impedance. Additionally, the output voltage is maintained constant not only with feedback but also using a power supply voltage compensation scheme. Thus, the feedback control compensates for resistive losses, thus minimizing hardware. The output voltage is compared with first and second reference voltages. If the output voltage is greater than the first reference voltage, a counter's count is decremented. If the output voltage is less than the second reference voltage, the counter's count is incremented. The counter is disabled if the output voltage is smaller than the first reference voltage and greater than the second reference voltage. The duty cycle of the output voltage is varied in accordance with the counter's count.

The invention provides a power system of a compound energy electro-vehicle, comprising a compound power supply controlling machine box, a main power supply connected with the power supply controlling machine box, a solar energy photovoltaic cell and a super capacitor module set, wherein, the output end of the compound power supply controlling machine box is connected with a motor driving controlling module and an assistant device, and the other end of the motor driving controlling module is connected with a motor; a hardware main circuit and a control circuit which are mutually connected are arranged in the compound power supply controlling machine box; the hardware main circuit is connected with the solar energy photovoltaic cell via an unidirectional DC/DC converter and is connected with the super capacitor module set via a bidirectional DC/DC converter; the input end of a microprocessor in the control circuit is connected with a temperature detecting module, a current detecting module and a pressure detecting module via a signal conditioning circuit, and the output end is connected with the motor driving circuit and an assistant device potentiometer via an optocoupler isolation circuit. The invention can better improve the acceleration performance and climbing performance of a vehicle, reduce heavy current discharging time of the main power supply and avoid the main power supply from damage and reduction of volume.

The invention relates to a projected capacitive touch screen, which can greatly shorten scanning time and improve signal-to-noise ratio, and has accurate touch and sensitive response. The projected capacitive touch screen comprises a conductive layer covered on a substrate, the conductive layer comprises electrode strips, and each electrode strip is connected with more than two conducting wires which are connected with an external circuit. As a preferable mode, two ends of each electrode strip are connected with a conducting wire respectively. The substrate can be made of known various materials, preferably, the substrate is a membrane. By the projected capacitive touch screen, the problem that the face resistance value is overlarge when an ITO conductive layer uses the membrane as the substrate at present is well solved, the problems that the touch of the projected capacitive touch screen of an ITO membrane structure is inaccurate and the response is not sensitive are effectively solved, the dependency on raw materials is reduced, the material selection range of the projected capacitive touch screen of the ITO membrane structure is enlarged, and the projected capacitive touch screen of the membrane structure is feasible to be produced on a large scale.

A vehicle headlamp 1 includes a first lamp unit 2A which employs a discharge lamp 3 as a light source, and a second lamp unit 2B which employs a semiconductor light-emitting element 5 as a light source. Lighting of the first and second lamp units is started substantially simultaneously, and, in conjunction therewith, the second lamp unit 2B is lit during a period until the discharge lamp 3 has transitioned to a steady lighting state. Thus, insufficient luminous energy during the transient period is complemented. Illumination light patterns originating from a plurality of lamp units are superimposed, thereby obtaining a low-beam light distribution.

The invention generally relates to switch mode power converters (SMPCs). and methods for providing supplementary base drive to a bipolar transistor of an SMPC, and more particularly to a switching control circuit for a SMPC, a said SMPC having an inductive component coupled to receive power from an input to the SMPC, a bipolar transistor coupled to control current flow in the inductive component, an auxiliary power rail, a charge store for supplying power via the auxiliary rail to a switching control circuit for driving the bipolar transistor, and a bootstrap circuit for bleeding current from the input to the bipolar transistor to thereby provide an amplified current to the charge store, the switching control circuit comprising: a base current line for coupling to a base terminal of a said bipolar transistor, an emitter current line for coupling to an emitter terminal of a said bipolar transistor, an auxiliary line for coupling to a said auxiliary power rail, and at least one reference line for coupling to a reference voltage; a base current switch configured to controllably couple a base current source to the base current line; an emitter current switch configured to controllably couple the emitter current line to a said reference line; a bootstrap element for bleeding current from the emitter current line to the auxiliary line, the bootstrap element further operable to block a said current according to a current or voltage bias; a base discharge switch configured to controllably bleed current from the base current line to a said reference line; and a supplementary base drive line for coupling to a series circuit comprising a supplementary base drive resistor and current control element coupled in series, a said series circuit for bleeding current from a said input to a said base terminal, a said current control element for blocking current flow from a said bootstrap circuit to a said supplementary base drive resistor.

The invention relates to the field of building foundations, in particular to a method for dredging a soft foundation by dredger fill and reinforcement. The method includes: a, zoning for dredger fill; b, forming a primary drainage system; and c, performing layered and zonal filling and reinforcement. The method is characterized in that in zoning for dredger fill, each filling unit (11) is 20000m<2>-50000m<2> in area; in formation of the primary drainage system, digging crisscross blind ditches (31) on the surface of the filling unit (11), and laying corrugated filter pipes (32) and drain boards (33) on the surface for the filling unit (11); and in layered zonal filling and reinforcement, filling the filling area (1) level by level, and reinforcing with all levels of drainage networks. The method is convenient in construction, short in construction period, effective in foundation treatment and low in construction cost.

To provide a high-efficiency and long-life high intensity discharge lamp that is obtained by a configuration in which a neon gas or a neon-based gaseous mixture is filled as a starting-assistance rare gas for an alumina ceramic arc tube, and a filling pressure is set to 13 kPa or more. The high intensity discharge lamp is provided with the alumina ceramic arc tube having a discharge arc tube, alumina ceramic narrow tubes formed at both end portions of the discharge arc tube, electrodes and power feeders, the electrodes and the power feeders being arranged to form spaces in the narrow tubes. The discharge arc tube is filled with the neon gas or the neon-based gaseous mixture as the starting-assistance rare gas at a filling pressure of 13 kPa or more.

Disclosed is a technique for discharging a residual high voltage of a hybrid vehicle that includes a high voltage battery and a battery controller controlling the high voltage battery, a high voltage DC-DC converter connected to the high voltage battery to charge or discharge the high voltage battery, and a motor controller connected to the high voltage DC-DC converter to control a motor. A discharge control unit is connected to the motor controller to discharge the residual high voltage through the motor, and a shutdown control unit turns off the high voltage DC-DC converter and the motor controller when the discharge control terminates.

The invention relates to a fast responding and wide frequency band laser detector, which is made by hetero-junctions material. It comprises a chip made by the optical responding material layer of silicon sheet, first electrode, second electrode and lead wire, wherein the optical responding layer is a lanthanum magnetite layer which is expitaxial grew at silicon bulk; first electrode is positioned on the lanthanum magnetite layer; while second electrode is positioned on the silicon sheet; one end of the two lead wires are separately connected with first electrode and second electrode; while the other end is signal output end. The detector is optical volt type photoelectric cell. It can response the laser pulse of femtosecond pulse width and then produce voltage pulse with the leading edge less than 1ns, half-width less than 2ns and pulse all-width at several ns.

The invention discloses an energy-saving and environment-friendly water surface decontaminating device and belongs to the technical field of water governance. The energy-saving and environment-friendly water surface decontaminating device comprises a collecting mechanism and a separating mechanism mounted on a cleaning ship. The separating mechanism comprises a centrifugal layering box and the collecting mechanism comprises a fishing frame, a windmill type rotating assembly, a mixed liquid suction channel and a garbage collecting box. The fishing frame is mounted at the rotating outer side endof the windmill type rotating assembly, and a filter screen is arranged in an inner cavity of the fishing frame to separate a garbage collecting chamber and a mixed liquid suction chamber; the mixedliquid suction channel penetrates from the inner side of the windmill type rotating assembly, and two ends of the mixed liquid suction channel separately communicate to the mixed liquid suction chamber and the centrifugal layering box; a garbage recovery pot is formed in one side of the garbage collecting box, the opposite side is a garbage storage chamber, and a guide windmill plate I and a guidewindmill plate II opposite in rotating direction are separately arranged on two sides of the garbage recovery port in the garbage collecting box. The energy-saving and environment-friendly water surface decontaminating device disclosed by the invention can collect and clean solid garbage floating in a water body and also can clean oil liquids attached to garbage and suck and recover the oil liquids.

A compact information device in which a shortened unlatch time is enabled so such device can transition from a power cutoff mode to a power supply mode to resume supplying power to internal circuits as a result of a latch circuit unlatching a control signal. Embodiments of such a device, which may be a printer, includes a CPU, tactile switch, smoothing capacitor, switch circuit, a switch control signal generator including a latch circuit, and a potential difference detection circuit. The latch circuit and potential difference detection circuit operate with voltage Vin2. The CPU outputs a start latch signal VLT when the operating mode changes from the power supply mode to the power cutoff mode. When the tactile switch is turned off, the potential difference detection circuit outputs an unlatch signal VRST. When the unlatch signal VRST is input, the latch circuit unlatches the control signal.

A battery charge-discharge balancing circuit assembly used in a battery pack consisting of multiple secondary battery cells is disclosed to include a switch device installed in each of the positive and negative terminals of each secondary battery cell and a balancing resistor connected with all the secondary battery cells in a parallel manner and the balancing resistor device having two opposite ends thereof connected the switch devices in series. All the secondary battery cells or multiple secondary battery cells of the battery pack can share one balancing resistor. By means of discharging the secondary battery cells in rotation, every secondary battery cell gets balanced to achieve efficient charging, eliminating the problem of overheat of the prior art technique.

The invention relates to a time schedule controller and a display signal processing control method thereof, which detects the input external signals to judge whether the time schedule controller is stopped so as to send low driving scene display data to a liquid-crystal display panel in advance when the time schedule controller is stopped, cause the power discharge rates of a liquid-crystal capacitor and a storage capacitor of the liquid-crystal display panel to be increased and shorten the power discharge rate of residual electric charge, thus lowering the occurrence possibility of tides.

The invention provides a waste lithium battery processing method and system. The waste lithium battery processing method comprises the following steps: carrying out previous processing on waste lithium batteries; putting the waste lithium batteries after the previous processing into mixed liquor medicament to carry out discharging; emitting ultrasonic waves to the mixed liquor medicament to carry out auxiliary charging; and cleaning and recovering the discharged waste lithium batteries. The waste lithium battery processing method and system have the advantage of solving the problem that the waste lithium processing efficiency is low in the prior art.

This invention relates to an antistatic protection circuit used in a luminetron which installs in parallel a set of serial butt joint diodes with the luminotron in the circuit, the diodes can be either negatively or positively inter-connected. When their negatives are inter-connected, the positives are connected with both poles of the luminotron, when their positives are interconnected, the negatives are connected with both poles of the luminotron. The reversed blackout voltage should be less than that of the luminotron and larger than that of the forward working voltage. A set of serial opposite-joint diodes can be formed by two or many diodes to form antistatic protection circuit which can be made up of isolated components or semicondutor integration.

The present invention relates to a sludge treatment device in which sludge is inserted into a dehydrating plate and is pressed with high pressure by a hydraulic cylinder such that a filtrate of a liquid state is discharged and, more specifically, to a sludge treatment device having a dehydrator, the sludge treatment device comprising: a heat water pipe having high-temperature hot water circulated therein, and formed on a dehydrating plate coming into contact with sludge such that dehydration performance can be improved; and a moisture content measurement sensor provided inside the dehydrating plate such that the content of moisture of a dehydrating cake can be adjusted and the dehydrating cake can be automatically discharged.