39results about How to "Realize the boost function" patented technology

The invention discloses a novel solar cell which comprises an optical acquisition and conversion module and a boost module. The voltage boost module is composed of a boost circuit which reduces stress of a voltage switch. The boost circuit which reduces the stress of the voltage switch comprises the components of the optical acquisition and conversion module which acquires an input voltage Vin, switch components S1 and S2, diodes D1 and D2, an inductor L, an input capacitor C1, an intermediate capacitor C2 and an output capacitor Co. An input power supply generates the input voltage Vin. The switch components S1 and S2 respectively have a parasitic capacitance CS1 and a parasitic capacitance CS2. Through switching on and switching off the switch components S1 and S2, the output voltage of the solar cell is raised and furthermore energy loss is reduced.

The invention relates to a method for adjusting an actual torque delivered by an electric motor in a motor vehicle to a target torque, wherein the electric motor comprises a stator winding (11), a rotor winding (12), a field rheostat (15) associated with the rotor winding (12), and a power converter (20) which is connected downstream of the stator winding (11) and has actuatable switch elements (21), wherein the actual torque is adjusted to the target torque in that a commutation angle is set by deliberately actuating the switch elements (21) and / or in that a current is deliberately set by the stator winding (12).

The invention discloses a solar cell, which includes a light collection conversion module and a boost module, the boost module is composed of a boost circuit that reduces the stress of a voltage switch, and the boost circuit that reduces the stress of a voltage switch includes a The input voltage Vin of the optical acquisition conversion module, the switching elements S1, S2, diodes D1, D2, inductor L, input capacitor C1, intermediate capacitor C2 and output capacitor Co, the input power supply generates the input voltage Vin, and the switching elements S1 and S2 respectively have parasitic The capacitors CS1 and CS2 increase the output voltage of the solar cell and reduce energy loss by controlling the on and off of the switching elements S1 and S2.

The invention discloses a control circuit of a remote controller with a backlight screen. The control circuit comprises a key circuit, a code sending circuit, a power supply booster circuit, a backlight switch circuit, an MCU (Microprogrammed Control Unit) control circuit and an MCU power supply circuit, wherein the power supply booster circuit is used for boosting power supply voltage and supplying power to a backlight; the backlight switch circuit is used for controlling the on and off of the backlight; the MCU control circuit is used for receiving or outputting a signal to control the circuits and driving an LCD (Liquid Crystal Display); the key circuit and the code sending circuit are connected with the MCU; the input end of the booster circuit is connected with a power supply; the output end of the booster circuit is connected with the backlight; the control end of the backlight switch circuit is connected with the MCU; the input end of the MCU power supply circuit is connected with the power supply; the output end of the MCU power supply circuit is connected with the MCU. The control circuit is characterized in that the booster circuit is also connected with the MCU; output voltage of the booster circuit is controlled by a PWM (Pulse-Width Modulation) signal outputted by the MCU. The invention provides the control circuit of the remote controller with the backlight screen. The booster circuit is used to replace a DC (Direct Current) / DC booster power supply chip, the problem of automatic reset of the remote controller is solved, and the service life of a battery is longer.

The invention discloses a low-voltage intelligent voltage regulating and stabilizing system, which includes a single-phase intelligent voltage regulator. Control MCU, single-phase AC voltage and current acquisition module, switch action unit, wireless communication module, single-phase AC voltage and current acquisition module, wireless communication module, power supply module, and switch action unit are respectively connected with the main control MCU, and the switch action unit is composed of a Single-pole double-throw interlocking AC contactor, a single-pole single-throw common AC contactor, a relay and a spare relay, each relay is connected in series with a spare relay and a single-pole double-throw interlocking SPST ordinary AC contactors are connected in parallel; the wireless communication module includes GPRS wireless communication module and WIFI wireless communication module. Realize that the user end automatically keeps the output voltage stable.

The invention relates to a through physical separation-type Z-source inverter with high booster multiple, which relates to the field of Z-source inverters, and comprises a direct current voltage source, a first blocking diode, a second blocking diode, a Z-source impedance network and a three-phase inverter bridge; and the Z-source impedance network comprises a first inductor, a second inductor, a first capacitor and a second capacitor which form an X-shaped structure. The inverter is characterized by also comprising a full-control switch device, a large capacitor and a power diode; the negative pole of the second capacitor and the collector of the full-control switch device are parallelly connected to the anode of the power diode; the emitter of the full-control switch device is connected with the negative pole of a direct current power supply; the cathode of the power diode is connected with the positive input end of the three-phase inverter bridge; the large capacitor is parallelly connected with the three-phase inverter bridge; and the positive pole and the negative pole of the capacitors are respectively connected with the positive input end and the negative input end of the three-phase inverter bridge correspondingly. According to the through physical separation-type Z-source inverter with high booster multiple, no coupling relationship exists between a booster factor and an inverter factor, the through duty ratio is independently controlled, and the booster multiple which can be realized is high.