Modularized UPS power supply

A modularized, power supply technology, applied in the field of power supply circuit, can solve the problems of low maintenance cost and the inability of UPS power supply to take into account the miniaturization, and achieve the effect of reducing maintenance cost, high reliability and improving reliability

Active Publication Date: 2009-09-02
深圳市捷益达电子有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to provide a modular UPS power supply, which aims to solve the problem that the existing UPS power supply cannot take into account miniaturization, high reliability and low maintenance cost

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Embodiment Construction

[0013] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0014] In the embodiment of the present invention, a power frequency double-conversion online UPS with high reliability of a single unit is used to form a modular power supply, and the power frequency input transformer and power frequency output transformer, which occupy the largest volume / weight and have a very low failure rate, are separated from the host , in which the power frequency input transformer is concentratedly placed at the bottom of the rack, and the host circuit part with a relatively concentrated failure rate is used as a pluggable and replaceable independent power module, which can ...

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Abstract

The invention provides a modularized UPS power supply which is suitable for the field of power supply circuits. The modularized UPS power supply comprises a display module, one or a plurality of power modules which can be plugged and unplugged, and a power-frequency input transformer module, wherein the display module, the power modules and the power-frequency input transformer module are all arranged in a stand, the power-frequency input transformer module is arranged on the bottom layer of the stand, and the power-frequency input transformer module is placed behind each power module in a layered way and connected with the power modules in a one-to-one correspondence way. The invention adopts a power-frequency dual-transform on-line type UPS with a single machine with higher reliability to form the modularized UPS power supply, separates a power-frequency input transformer and a power-frequency output transformer which both occupy largest volume / heaviest weight and have very low failure rate from a host machine, and takes a host machine circuit with relatively centralized failure rate as an independent power module which can be plugged and unplugged to be replaced, thereby satisfying the requirement of the small volume / light weight of the independent power module which can be plugged and unplugged to be replaced; because a power-frequency power module has higher reliability without frequent replacement and maintenance, the invention also reduces the maintenance cost and enhances the reliability of a power supply system.

Description

technical field [0001] The invention belongs to the field of power circuits, in particular to a modular UPS power supply. Background technique [0002] Modular UPS power supply (uninterruptible power supply) has the characteristics of standard rack structure, N+X redundancy and hot swap, which can better meet the user's optimal redundancy selection, neat and standardized equipment layout, centralized management, maintenance Outstanding advantages such as fast replacement speed and high overall reliability / availability of the UPS system. [0003] In the current on-line system UPS, there are mainly high-frequency on-line UPS and power frequency double conversion on-line UPS, such as figure 1 and figure 2 shown. Generally speaking, the power frequency double-conversion online UPS has the advantages of higher reliability and better stability, while the high-frequency online UPS is smaller in size and lighter in weight. In order to realize the modularization of UPS power sup...

Claims

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Application Information

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IPC IPC(8): H02J7/00
Inventor 朱元
Owner 深圳市捷益达电子有限公司
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