Intelligent sine-wave-output uninterruptible power supply and automatic control method
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An output control, sine wave technology, applied in the field of power supply, can solve the problems of heavy weight, complex circuit, poor output stability, etc.
Inactive Publication Date: 2014-10-29
KUNMING UNIV OF SCI & TECH
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Problems solved by technology
[0005] The invention provides an intelligent sine wave output uninterruptible power supply and an automatic control method to solve the p
Method used
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Embodiment 1
[0088] Embodiment 1: as Figure 1-9 As shown, an intelligent sine wave output uninterruptible power supply, including sampling detection circuit 1, boost circuit 2, inverter circuit 3, output control circuit 4, display alarm circuit 5, communication circuit 6, auxiliary power supply circuit 7, charging Control circuit 8, single-chip microcomputer 9; wherein single-chip microcomputer 9 is connected with sampling detection circuit 1, boost circuit 2, inverter circuit 3, output control circuit 4, display alarm circuit 5, communication circuit 6, auxiliary power supply circuit 7, and charging control circuit 8 , the boost circuit 2 is connected to the auxiliary power supply circuit 7 and the inverter circuit 3 , and the inverter circuit 3 is connected to the output control circuit 4 .
[0089] The boost circuit 2 includes a boost control circuit, a push-pull circuit, and a boost feedback circuit; wherein the boost control circuit is connected to the push-pull circuit, the push-pul...
Embodiment 2
[0129] Embodiment 2: as Figure 1-9 As shown, an intelligent sine wave output uninterruptible power supply, including sampling detection circuit 1, boost circuit 2, inverter circuit 3, output control circuit 4, display alarm circuit 5, communication circuit 6, auxiliary power supply circuit 7, charging Control circuit 8, single-chip microcomputer 9; wherein single-chip microcomputer 9 is connected with sampling detection circuit 1, boost circuit 2, inverter circuit 3, output control circuit 4, display alarm circuit 5, communication circuit 6, auxiliary power supply circuit 7, and charging control circuit 8 , the boost circuit 2 is connected to the auxiliary power supply circuit 7 and the inverter circuit 3 , and the inverter circuit 3 is connected to the output control circuit 4 .
[0130] The boost circuit 2 includes a boost control circuit, a push-pull circuit, and a boost feedback circuit; wherein the boost control circuit is connected to the push-pull circuit, the push-pul...
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Abstract
The invention relates to an intelligent sine-wave-output uninterruptible power supply and an automatic control method, which belong to the technical field of power supplies. The device disclosed by the invention comprises a sampling detection circuit, a booster circuit, an inversion circuit, an output control circuit, a display alarm circuit, a communication circuit, an auxiliary power supply circuit, a charge control circuit and a single chip, wherein the single chip is connected with the sampling detection circuit, the booster circuit, the inversion circuit, the output control circuit, the display alarm circuit, the communication circuit, the auxiliary power supply circuit and the charge control circuit, the booster circuit is connected with the auxiliary power supply circuit and the inversion circuit, and the inversion circuit is connected with the output control circuit. The method disclosed by the invention comprises the steps of initializing; detecting a mains supply; starting communication, detecting overload information by the single chip through an ADC port, and when an overload phenomenon occurs, sending a shutdown signal by the single chip to stop working; repeatedly and cyclically executing programs, and detecting all the links of the whole circuit. The device disclosed by the invention is safe and reliable, high in output stability, and capable of reducing cost.
Description
technical field [0001] The invention relates to an intelligent sine wave output uninterruptible power supply and an automatic control method, in particular to an intelligent back-type high-frequency sine wave output uninterruptible power supply controlled by a single-chip microcomputer, which belongs to the technical field of power supplies. Background technique [0002] The existing uninterruptible power supply can be divided into online machine, interactive machine and backup machine. [0003] The invention belongs to a back type high-frequency sine wave output uninterruptible power supply controlled by a single-chip microcomputer. Most of the existing backup machines are full-hardware circuits. The battery provides electric energy. After inverter, the output is boosted by a transformer. With a transformer, the output is boosted. The overall volume is large, the weight of the transformer is large, the circuit is complicated, the price is high, maintenance is difficult, and...
Claims
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