Dual-power stable-switching device and method

A switching device and dual power supply technology, applied in circuit devices, emergency power supply arrangements, electrical components, etc., can solve problems such as easy power failure and large load voltage fluctuations, achieve cost reduction, ensure energy storage, and ensure effective switching Effect

Active Publication Date: 2010-11-24
HYTERA COMM CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0014] The technical problem to be solved by the present invention is to provide a dual power supply stable switching device and method

Method used

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  • Dual-power stable-switching device and method
  • Dual-power stable-switching device and method
  • Dual-power stable-switching device and method

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Embodiment Construction

[0058] like Figure 4 Shown is a structural block diagram of the first embodiment of the dual power supply smooth switching device of the present invention. The dual power supply smooth switching device is used to provide stable switching between the main power supply 200 and the backup power supply 300 for powering the electrical equipment 100, which includes a main / backup power switching unit 1, a charging management unit 2, a relay control unit 3, a main power supply Switching auxiliary unit 4 and backup power switching auxiliary unit.

[0059] Wherein, the main / backup power switching unit 1 realizes switching between the main power supply 200 and the backup power supply 300 by switching between the static contact of the relay in the main / backup power switching unit 1, the first movable contact, and the second movable contact; The management unit 2 detects the output voltage of the backup power supply 300, and controls the main power supply 200 to charge the backup power s...

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Abstract

The invention relates to a dual-power stable-switching device, which is used for providing stable switching for a main power supply and a spare power supply, which supply power to electric equipment. The dual-power stable-switching device comprises a main/spare power supply switching unit, a relay control unit, a charging management unit, a main power supply switching auxiliary unit and a spare power supply switching auxiliary unit. The invention also relates to a dual-power stable-switching method. When the dual-power stable-switching device and the method are used, the defect of easy power failure of the electric equipment can be overcome, the load voltage fluctuation is small, no large-capacity capacitors are required for auxiliary switching and use in combination with a radiator is avoided.

Description

technical field [0001] The invention relates to the technical field of switching between dual power sources, and more specifically, to a device and method for smooth switching between dual power sources. Background technique [0002] With the rapid development of information technology, the requirements for the power supply system are getting higher and higher. For some important electrical equipment such as communication equipment, if the power supply of the power supply system is suddenly interrupted, it is very easy to cause loss of important data, and even Affect the normal operation of other related systems, resulting in serious consequences. Therefore, in order to prevent the occurrence of the above situation, for some important electrical equipment, in addition to using the mains power supply as the main power supply, battery packs are also used as the backup power supply. Therefore, certain requirements are put forward for the switching between the main / backup power ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J9/06
Inventor 严春荣
Owner HYTERA COMM CORP
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