10results about How to "Stable working voltage" patented technology

The invention provides a vertical power supply device and a process method of a connecting plate. The vertical power supply device comprises a system board, a substrate, a chip unit, a plurality of first capacitors, a plurality of second capacitors, a plurality of conductive parts and a power supply module, the system board comprises a first surface and a second surface, the first surface and the second surface are oppositely arranged, the substrate comprises a third surface and a fourth surface, and the third surface and the fourth surface are oppositely arranged. The third surface of the substrate is located between the fourth surface and the second surface of the system board, the chip unit is arranged on the first surface, the plurality of first capacitors are arranged on the second surface, the plurality of second capacitors are arranged on the third surface, the third surface and the second surface are electrically connected through a plurality of conductive parts, and the power supply module is arranged on the fourth surface.

The application relates to an intensive transient disturbance regulation circuit, which comprises a three-phase bridge arm unit, a common DC side unit and a zero sequence bridge arm unit; the three-phase bridge arm unit is connected with each phase power supply branch of a three-phase power grid, a common neutral end of the common DC side unit and an input end of the zero sequence bridge arm unit, and an output end of the zero sequence bridge arm unit is grounded; the zero sequence bridge arm unit is used for generating a first current for offsetting a fault zero sequence component based on a power grid voltage, a power grid current and a common neutral end voltage of the three-phase power grid; the three-phase bridge arm unit is used for determining a three-phase reactive compensation current based on the common neutral end voltage and the first current input by the zero sequence bridge arm unit, and sending the three-phase reactive compensation current to a corresponding phase distribution line of the three-phase power grid; and the common DC side unit is used for providing common DC voltage support for the three-phase bridge arm unit and the zero sequence bridge arm unit. The zero sequence disturbance of the distribution network can be inhibited, and the voltage deviation and power fluctuation problems caused by the power grid transient disturbance can be weakened.

This application relates to the technical field of vehicle signal testing, and in particular to a signal conditioning circuit, conditioning device, and testing system. The circuit includes a first processing module, a first protection module, a second processing module, a second protection module, a power supply module, and a third protection module. Specifically: the first processing module modulates the initial PWM signal output from the NI chassis into a target PWM signal that conforms to the voltage acquisition range of the ECU; the first protection module provides overvoltage protection for the first processing module; the second processing module converts the control signal output from the ECU into a target control signal that conforms to the voltage acquisition range of the NI chassis; the second protection module provides overcurrent protection for the second processing module; the power supply module provides the corresponding operating voltages for the first and second processing modules; and the third protection module provides overvoltage and overcurrent protection for the power supply module. The solution of this application can improve the stability of digital signals during HIL testing.

The invention discloses an integrated metal hydrogen-oxygen fuel cell system constructed based on an aluminum-lithium alloy, and by optimizing the element composition and the surface appearance of a metal air cell negative electrode, the working voltage of the cell is kept stable, and meanwhile, the generation efficiency and the stability of hydrogen are remarkably improved. The 2195 aluminum-lithium alloy negative electrode is selected, the electrochemical activity is enhanced, more reaction sites are exposed through the optimized morphology, it is ensured that hydrogen is continuously generated in the side reaction, and sufficient and stable fuel is provided for the hydrogen-oxygen fuel cell. According to the system, the metal-air cell and the hydrogen-oxygen fuel cell are coupled, so that efficient cyclic utilization of hydrogen is realized, the problem of hydrogen waste in a traditional cell is avoided, and the energy efficiency and the cell performance of the whole system are further improved.

This application discloses a supercharging power supply circuit and method for vehicles, belonging to the field of circuit technology. The battery pack module includes a low-voltage battery pack and a high-voltage battery pack, with rated voltages of a first voltage value and a second voltage value. When the first contactor group in the contactor module is open and the second contactor group is closed, branches formed by connecting each low-voltage battery pack in series with one high-voltage battery pack are connected in parallel to form a supercharging battery pack with a rated voltage equal to the sum of the first and second voltage values, entering supercharging mode. When the first contactor group is closed and the second contactor group is open, branches formed by connecting all low-voltage battery packs in series are connected in parallel with each high-voltage battery pack to form a normal battery pack with a rated voltage equal to the second voltage value, entering normal charging or power supply mode. In supercharging mode, the step-down module reduces the voltage of the supercharging battery pack to the second voltage value to supply power to high-voltage electrical appliances. This application enables the use of high-voltage electrical appliances when supporting supercharging, ensuring charging safety.

The invention discloses a microalloyed aluminum air battery anode suitable for inert electrolyte and a preparation method of the microalloyed aluminum air battery anode. The aluminum air battery anode is prepared from the following components in percentage by mass: 0.5 to 2 weight percent of Mg, 0.05 to 0.4 weight percent of In, 0.05 to 0.1 weight percent of Ga and the balance of 4N high-purity aluminum, according to the microalloyed aluminum air battery anode prepared by the preparation method disclosed by the invention, through high-frequency electromagnetic stirring during casting and two quenching of subsequent heat treatment, a matrix which is extremely easy to segregate is redissolved to realize ultrahigh solid solution, the variety and distribution of precipitated phases are changed, the ultrahigh activity of the anode is realized, the discharging working voltage is stable for a long time in an inert electrolyte, and the service life of the anode is prolonged. The problems of low discharge working voltage and low energy density of an existing industrial anode plate in inert electrolyte are solved; the whole battery pack is expected to replace an existing industrial high-activity electrolyte aluminum air battery pack, and risks caused by serious hydrogen evolution are reduced.

The utility model provides a kind of low-temperature microwave sterilization control circuit and device, it is related to the technical field of microwave sterilization, including power supply circuit, trigger circuit, control switch circuit, signal amplification circuit, signal indicating circuit and protection circuit;The output end of power supply circuit is connected respectively the input end of trigger circuit and the input end of control switch circuit, the output end of trigger circuit connects the input end of power supply circuit, the output end of control switch circuit connects the input end of signal amplification circuit, the output end of signal amplification circuit connects the input end of signal indicating circuit, the output end of signal indicating circuit connects the input end of protection circuit.The utility model can reduce equipment energy consumption, simplify operation, stable signal, realize heating uniform, real-time monitoring, high safety.

The invention discloses a stabilizing system of a photoelectric detection device. The stabilizing system comprises an environment monitoring module, a temperature adjusting module, a vibration suppression module, an optical anti-vibration module and a power supply stabilizing module. The high-precision sensor for environment monitoring acquires data and transmits the data to the control center. The temperature is controlled to be [15 DEG C, 35 DEG C] according to temperature data. Vibration suppression comprises an elastic element and active damping, and the net acceleration is within + / -0.1 m / s < 2 >. And the angular deviation of the optical anti-shake control optical path is within + / -0.05 degrees. The power supply stability comprises a voltage stabilizing power supply and a standby power supply, and V (t)-V0 is within + / -0.1 V. The stabilization system effectively improves the stability of the photoelectric detection device. Environmental monitoring ensures a suitable working environment, temperature adjustment ensures stable performance, the vibration suppression module, the optical anti-vibration module and the power supply stabilization module respectively solve the problems of vibration, jitter and power supply, and the accuracy and reliability of a detection result are improved.

The invention provides a voltage-stabilized power supply circuit, a voltage stabilization implementation method and electronic equipment. A first reference voltage providing module outputs a first reference voltage; the second reference voltage providing module outputs a second reference voltage and a first control signal; the voltage stabilizing module is connected to the power supply, outputs a second control signal, outputs a corresponding working voltage when the first reference voltage is connected, and outputs a corresponding working voltage when the second reference voltage is connected; the working voltage is equal to the minimum value of the voltage threshold, the target working voltage and the power supply; the reference voltage control module accesses a first control signal and a second control signal, transmits a first reference voltage to the voltage stabilization module when the first control signal or the second control signal is at a first level, and transmits a second reference voltage to the voltage stabilization module when the first control signal and the second control signal are at a second level. At the moment, the first reference voltage is 0. The stable working voltage is output under low power consumption, and the circuit stability is improved.

The present invention discloses an electronic single-live-wire switch including an AC-DC low-standby power consumption high-frequency isolated switching power supply, which can electrically isolate the AC input and output from a low-voltage DC circuit, thereby achieving effective electrical isolation between the reference ground wire of the control circuit and the main power part of the AC input and output, and enabling the static standby power consumption when the light is turned off to be controlled within 10 milliwatts, close to zero power consumption, thereby being compatible with more low-power LED lamps or loads.