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Capacitor discharging circuit, modular power supply therewith, and redundant system with capacitor discharging circuit

A technology of capacitor discharge circuit and module power supply, applied in the field of circuits, can solve the problems of low reliability and high loss

Pending Publication Date: 2017-07-21
MOSO POWER SUPPLY TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Embodiments of the present invention provide a capacitor discharge circuit, a module power supply and a redundant system, aiming to solve the problems of excessive loss and low reliability in the current capacitor discharge circuit in the module power supply

Method used

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  • Capacitor discharging circuit, modular power supply therewith, and redundant system with capacitor discharging circuit
  • Capacitor discharging circuit, modular power supply therewith, and redundant system with capacitor discharging circuit
  • Capacitor discharging circuit, modular power supply therewith, and redundant system with capacitor discharging circuit

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Embodiment Construction

[0023] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0024] It should be understood that when used in this specification and the appended claims, the terms "comprising" and "comprises" indicate the presence of described features, integers, steps, operations, elements and / or components, but do not exclude one or Presence or addition of multiple other features, integers, steps, operations, elements, components and / or collections thereof.

[0025] It should also be understood that the terminology used ...

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Abstract

The invention discloses a capacitor discharging circuit, a modular power supply therewith, and a redundant system with the capacitor discharging circuit. The capacitor discharging circuit is used in the modular power supply, and the modular power supply is connected to a bus interface board in a pluggable manner. The capacitor discharging circuit comprises a pull-out detection unit, a switching unit and a discharging unit, wherein the pull-out detection unit, the switching unit and the discharging unit are connected sequentially. The pull-out detection unit is used for detecting whether the modular power supply is pulled out from the bus interface board or not, so as to control the on / off of the switching unit. When the modular power supply is pulled out, the switching unit is connected, and the discharging unit carries out discharging. When the modular power supply is not pulled out, the switching unit is disconnected, and the discharging unit is in a circuit break state. According to the embodiment of the invention, the capacitor discharging circuit has an additional function of circuit protection while guaranteeing a conventional discharging function, generates no more loss when the circuit works, and can prevent wrong touch from causing the burn-up of the capacitor.

Description

technical field [0001] The invention relates to the technical field of circuits, in particular to a capacitor discharge circuit, a module power supply and a redundant system with the circuit. Background technique [0002] In high-power applications, there are multiple module power supplies connected in parallel for power expansion, especially in N+M redundant systems, and for the convenience of maintenance, the module power supplies can be replaced without power failure, or although the modules The power supply is installed and online, but in order to save energy, only part of the power supply may be selected to work, and the output of the module power supply will be charged; due to the existence of the output capacitor, the output of the module power supply is charged after it is pulled out, and at this time it is equivalent to the module power supply being no-load, the output voltage will fall very slowly. Especially for the module power supply with high voltage output, i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02M1/32
CPCH02M1/32H02M1/322
Inventor 蔡健太胡思敏
Owner MOSO POWER SUPPLY TECH
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