Uninterruptible power supply

Abstract

The invention discloses an uninterruptible power supply, which comprises an electric supply input end and an output device. The output device is provided with a selector switch, a common output unit, a controlled uninterrupted power output unit and an output end, wherein the common output unit, the controlled uninterrupted power output unit and the output end are respectively connected with the selector switch; an electric supply leading-in end, a main switch, a power supply filtering unit and the common output unit are connected in sequence; the power supply filtering unit is also connected with an intelligent detection unit, an intelligent control unit and a display unit in sequence; the power supply filtering unit is provided with a lightning protection anti-interference module; the intelligent control unit is also respectively connected with a charge control unit and a lithium-ion power battery unit; the power supply filtering unit is also connected with a rectification unit, the charge control unit, the lithium-ion power battery unit, a high-frequency control unit, an inverter circuit, a switching control unit, an overcurrent overload detection unit and the controlled uninterrupted power output unit in sequence; and the rectification unit is also connected with the switching control unit.

Description

technical field [0001] The invention relates to an uninterruptible power controller system, in particular to an uninterruptible power supply. Background technique [0002] There are at least nine kinds of problems in the power grid: power outages, lightning spikes, surges, frequency oscillations, voltage mutations, voltage fluctuations, frequency drifts, voltage drops, and pulse interference; Equipped with an uninterruptible power controller system is very necessary. [0003] In addition, sophisticated network equipment and communication equipment do not allow power interruptions. The network center with the server as the core must be equipped with UPS (uninterruptible power supply). The value of software has exceeded the value of hardware, so it is very necessary to equip an uninterruptible power controller system to prevent data loss. [0004] However, the existing UPS uninterruptible power supplies all use lead-acid batteries, which are commonly known as batteries, and ...

AI Technical Summary

Problems solved by technology

[0002] There are at least nine kinds of problems in the power grid: power outages, lightning spikes, surges, frequency oscillations, voltage mutations, voltage fluctuations, frequency drifts, voltage drops, and pulse interference; Equipped with an uninterruptible power controller system is very necessary

The battery and the huge transformer make the UPS system huge and heavy, and cannot be used inside some computer power supplies and security equipment that require space and weight

Generally speaking, it has the following disadvantages: lead-acid batteries can only release more than 30% of the battery capacity, and after fully discharged, the charging time needs to be 8 hours to charge to 80% of the battery capacity, which directly affects the reliability of the product. The service life of cyclic discharge is about 300 times, especially in low temperature environment, the discharge capacity is even worse; the capacity of lead-acid battery gradually decreases during the life cycle; the main raw material "lead" of lead-acid battery is not only harmful to human body, but also The production and recycling of batteries directly affect the environment

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