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Dual-power bus cold standby power supply architecture and method

A cold backup, dual power supply technology, applied in emergency power supply arrangements, electrical components, circuit devices, etc., can solve the problem of low task reliability of secondary power supply circuits, improve task reliability, reduce no-load dissipation, The effect of reducing maintenance costs

Active Publication Date: 2014-04-23
SUZHOU CHANGFENG AVIATION ELECTRONICS
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  • Abstract
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Problems solved by technology

[0005] In order to overcome the problem of low task reliability of the secondary power supply circuit of electrical equipment, a new dual power bus cold backup power supply architecture is provided, which can effectively improve the task reliability of electrical equipment

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  • Dual-power bus cold standby power supply architecture and method

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Embodiment Construction

[0021] Dual power bus cold backup power supply architecture, when the first conversion device is powered normally, the second conversion device is in standby state, when the first conversion device is powered off, the second conversion device is started to supply power, the entire detection and switching process It is realized by switching control circuit.

[0022] The present invention will be further described through specific embodiments below in conjunction with the accompanying drawings: the dual power bus cold backup power supply architecture includes two power conversion circuits, voltage detection circuits, power-down protection circuits and power switching control circuits, wherein:

[0023] The two power conversion circuits serve as cold backup for each other, and are used to convert the same input voltage and then output working power to the outside.

[0024] The voltage detection circuit is used to detect the voltage output by the power conversion circuit in the wo...

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Abstract

The invention pertains to the technical field of power applications, and relates to a dual-power bus cold standby power supply architecture and method. The dual-power bus cold standby power supply architecture comprises two power conversion circuits, a voltage detection circuit, a power-down protection circuit and a power switching control circuit. Through the above functional circuits, the cold standby function of the two conversion circuits can be realized. when the first conversion device is in normal power supply condition, the second conversion device is in the standby state, and then the first conversion device is in the power-down condition, the second conversion device is started to supply power. According to the invention, the mission reliability of electric equipment can be significantly improved, and the maintenance cost of the electric equipment in the whole life cycle can be reduced.

Description

technical field [0001] The invention belongs to the invention of power supply application technology, and relates to a dual power supply bus cold backup power supply structure and method. Background technique [0002] For electrical equipment, the function of the secondary power conversion system is to convert the power at the input end of the electrical equipment into various working power sources required by the internal circuit of the electrical equipment. In this conversion system, a There is only one conversion path of the working power supply. When the conversion path fails, the output of the working power supply of this path is abnormal, and the electrical equipment cannot work normally. [0003] Aiming at the problem of poor task reliability of electrical equipment powered by a single-channel power conversion system, there are currently two solutions. One is to use high-reliability power conversion devices and improve the reliability of components. The task reliabil...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J9/06
Inventor 蔡逸群李子君吴振
Owner SUZHOU CHANGFENG AVIATION ELECTRONICS
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