5results about How to "Stable duty cycle" patented technology

The application relates to a clock signal processing method, a system, a storage medium and an electronic device, and relates to the technical field of signal processing. The method comprises the following steps: performing direct current bias removal processing on a discretized clock input signal sequence to obtain a preprocessed signal; obtaining a signal amplitude peak value in a single clock cycle in the preprocessed signal, combining a target output amplitude, determining an adaptive gain coefficient corresponding to the single clock cycle, and determining a gain amplified signal based on the adaptive gain coefficient corresponding to the single clock cycle and the preprocessed signal; performing forward linear filtering and reverse linear filtering on the gain amplified signal through a target FIR filter to obtain a filtered signal; performing duty cycle closed loop correction processing on the filtered signal to obtain an initial output signal with stable duty cycle; and performing waveform edge optimization on the initial output signal based on the target output amplitude to obtain a final output signal. The application can improve the processing effect of the clock signal.

The utility model discloses a rectification voltage stabilizing circuit based on 555 timer and reference voltage chip relates to power supply circuit technical field, the circuit in the utility model, provide stable reference voltage through reference voltage chip, according to the duty cycle of the output pulse of comparison result adjustment, can realize the high precision voltage stabilizing output, satisfy the power supply demand of high precision electronic equipment, utilize common 555 timer and reference voltage chip, compared with the dedicated voltage stabilizing chip, the cost is reduced obviously, has higher cost performance, is suitable for large -scale production and application, through the output signal in control 555 timer module, can conveniently adjust output voltage, to adapt to the demand of different load and application scene to voltage, the PWM circuit of 555 timer composition can realize higher power conversion efficiency, reduce power loss, improve the overall performance of circuit.

The utility model discloses an anolyte flow breaking device relates to metal electrolytic smelting technical field. The device includes the collection box (2) and siphon (3) of being located in the anolyte chute (5) below of electrolytic cell (4). Collection box (2) is accepted the anolyte of continuous outflow, and the liquid inlet (31) of siphon (3) is located in the bottom in the box, and the liquid outlet (33) is connected to anolyte chute (32). The utility model discloses utilize siphon principle, when the liquid level in the box exceeds siphon top, automatic starting drainage, emptying after automatic stop, thereby will anolyte continuous outflow conversion into intermittent flow breaking. In the liquid storage stage, the effective cut-off of the continuous current leakage path, the energy loss is reduced significantly. The device simple structure, no moving parts, need not external power, automatic operation, the energy -conserving effect is obvious, especially suitable for electrolytic production line reform of electrolytic manganese and other metals.

The present invention relates to the field of DC-DC voltage converters, and specifically to a switchable mode oscillator and DC-DC voltage converter system, comprising a gate circuit module, an oscillation module and a bias module, wherein the oscillation module is electrically connected to the gate circuit module; the oscillation module is electrically connected to an error detection module and a current detection module, and the current detection module outputs a switching voltage Vsw to a first input terminal of the oscillation module; the output terminal of the gate circuit module is electrically connected to a driving module and a triangular wave generation module, the switching voltage Vsw controls the oscillation module to select a PFM mode, and adjusts the on-time or off-time to obtain signals with different duty cycles; the switching voltage Vsw controls the oscillation module to select a PWM mode, changes the frequency of the oscillator, and uses a comparator U1 to obtain signals with different duty cycles. The switching between the PFM mode and the PWM mode is realized, the flexibility is high, the overall circuit structure is simple, and the application cost is effectively reduced.

The application discloses a three-phase meter relay state detection circuit, wherein the three-phase meter relay state detection circuit comprises a microswitch circuit, a transistor multi-state conversion circuit, a unidirectional power maintaining circuit and an I / O conversion circuit; the I / O conversion circuit is connected with the unidirectional power maintaining circuit, the transistor multi-state conversion circuit and an MCU respectively; the unidirectional power maintaining circuit is connected with the microswitch circuit and the transistor multi-state conversion circuit respectively; and the microswitch circuit is connected with the transistor multi-state conversion circuit. The application further discloses a three-phase meter relay state detection method and an electric energy meter. The application solves the technical problems of the existing three-phase split type relay state detection, such as too many wire harnesses, the incapability of being compatible with the 2-wire detection interface of the integrated relay, the high cost of the existing 2-wire scheme, the existence of a detection blind area and the incapability of being completely compatible with the 2-wire scheme using only the digital I / O port to detect the level state.