A charging and discharging method and system of an energy storage capacitor

An energy storage capacitor, charging and discharging technology, which is applied in the charging/discharging of secondary batteries, battery circuit devices, arrangement of multiple synchronous batteries, etc., can solve problems such as low efficiency, and achieve the effect of improving storage capacity

Inactive Publication Date: 2019-01-18
ZHENGZHOU YUNHAI INFORMATION TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Because the power supply voltage of the CBU module changes little, the power that can be supplied to the storage system is not much, and the efficiency is very low

Method used

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  • A charging and discharging method and system of an energy storage capacitor
  • A charging and discharging method and system of an energy storage capacitor

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Embodiment Construction

[0028] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0029] To ensure data security of the storage system, when the PSU (power supply unit) is powered off, the storage system is powered by the CBU (cap backup unit, capacitor backup power module) for data backup. Existing CBUs are generally used as separate modules, located in a dedicated location of the whole machine. When working, the CBU module generally uses the normal 12V voltage as the reference input and output. When the discharge...

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Abstract

The invention discloses a charging and discharging method of an energy storage capacitor, which is applied to a CBU. The method comprises the following steps: during charging, the voltage of an inputterminal is increased from a reference voltage to a first voltage, and electric energy is input to the energy storage capacitor; during discharging, the voltage of the energy storage capacitor drops to the reference voltage, and then the electric energy is outputted through the output terminal. Compared to prior art, the input terminal voltage and the output terminal voltage of the invention are both kept as reference voltages, As that voltage at the input terminal is first raised when charging, The voltage of the energy storage capacitor is high, and the storage capacity is greatly improved.Under the condition that the discharge cut-off voltage is not changed, the discharge voltage difference of the energy storage capacitor is obviously larger than that of the prior art. Therefore, the discharge time of the energy storage capacitor in the invention is longer, that is, the working time of the CBU is longer, and the storage system is ensured to have more sufficient time to back up data. The invention also discloses a charging and discharging system of an energy storage capacitor, which has the same beneficial effect.

Description

technical field [0001] The invention relates to the field of storage backup, in particular to a method and system for charging and discharging an energy storage capacitor. Background technique [0002] To ensure data security of the storage system, when the PSU (power supply unit) is powered off, the storage system is powered by the CBU (cap backup unit, capacitor backup power module) for data backup. Existing CBUs are generally used as separate modules, located in a dedicated location of the whole machine. When working, the CBU module generally uses the normal 12V voltage as the reference input and output. When the discharge starts, the voltage starts to drop from 12V, and the discharge stops when it drops to about 9V. Because the power supply voltage of the CBU module varies little, the power that can be provided to the storage system is not much, and the efficiency is very low. [0003] Therefore, how to provide a solution to the above technical problem is a problem tha...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J7/00H01M10/44
CPCH01M10/44H02J7/0013H02J7/0068H02J7/345Y02E60/10
Inventor 王红亮张兆峰王瑞杰
Owner ZHENGZHOU YUNHAI INFORMATION TECH CO LTD
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