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Power supply system

A technology of power supply system and power supply unit, which is applied in the direction of electric energy storage system, emergency power supply arrangement, DC power supply parallel operation, etc. It can solve the problem of unstable power supply of electronic devices and achieve the effect of eliminating the influence

Inactive Publication Date: 2010-12-01
HONG FU JIN PRECISION IND (SHENZHEN) CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, in general, there is usually a period of power response time between when the normal power supply module fails and when the redundant power module replaces the failed power supply module for power supply. During this period, the above-mentioned Unstable power supply of electronic devices

Method used

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Embodiment Construction

[0016] Please refer to figure 1 , the existing power supply system includes a power supply unit 10 , a power distribution unit 20 and a functional module unit 30 .

[0017] The power supply unit 10 is an N+m redundant structure composed of multiple power modules 11 connected in parallel. The power supply unit 10 supplies power to the functional module unit 30 in a current sharing manner.

[0018] The power distribution unit 20 may be a cable for conducting electricity or a circuit board for distributing current and voltage.

[0019] The functional module unit 30 includes a plurality of functional modules 31, and the functional modules 31 include a processor, an input / output module, and the like.

[0020] In the process of the power supply system supplying power to the functional module unit 30, when one or several of the N power supply modules 11 in normal operation fails and no longer supplies power to the functional module unit 30, One or all of the m redundant power supp...

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Abstract

The invention discloses a power supply system. The power supply system comprises a power supply unit, a power distribution unit and a functional module unit, wherein the power supply unit supplies power to the functional module unit through the power distribution unit; the power supply system also comprises a capacitor; and the capacitor can supply power to the functional module unit when the power supply unit cannot stably supply power to the functional module unit.

Description

technical field [0001] The invention relates to a power supply system, in particular to a power supply system comprising a plurality of parallel power supply modules. Background technique [0002] With the development of power electronics technology, various electronic devices have higher and higher requirements for the power of the module power supply, and the requirements for the current are also increasing, but it is affected by the performance of the semiconductor power devices and magnetic materials that make up the power module. , the output parameters (such as voltage, current, power) of a single switching power supply module often cannot meet the requirements. If multiple power supply modules are used to supply power in parallel, not only can the required current be provided, but also an N+m redundant structure can be formed, which improves the stability of the system, which can be said to kill two birds with one stone. [0003] The so-called N+m redundant structure...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J9/00H02J15/00
CPCH02J9/06H02J1/10H02J7/345
Inventor 平井智则锺志明
Owner HONG FU JIN PRECISION IND (SHENZHEN) CO LTD