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Communication power supply and control method thereof

A technology of communication power supply and control method, which is applied in the field of power supply, and can solve problems such as battery charging failure, battery and communication power supply damage, and base station communication interruption, so as to avoid frequent opening and closing, avoid easy closing, and avoid sudden increase or decrease Effect

Inactive Publication Date: 2011-10-12
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Due to the frequent on and off of the communication power supply, the battery cannot be charged effectively and timely, which will eventually cause damage to the battery and communication power supply, and the communication of the base station will be interrupted.

Method used

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  • Communication power supply and control method thereof
  • Communication power supply and control method thereof
  • Communication power supply and control method thereof

Examples

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Embodiment Construction

[0018] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. 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.

[0019] figure 1 It is a schematic diagram of the AC input and power supply output of the communication power supply in the embodiment of the present invention, see figure 1 , Vin is the AC voltage provided by the AC power grid, R is the line resistance caused by long transmission lines or multiple connections of cables, etc., Vac is the AC i...

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Abstract

The invention discloses communication power supply and a control method thereof. The method includes detecting AC input voltage of the communication power supply for a base station master device and a storage battery; according to the AC input voltage, adjusting power-supply current provided by the communication power supply for the storage battery to keep the AC input voltage of the communication power supply within the range of preset voltage. The embodiment of the invention can avoid the problem that the communication power supply is opened and closed frequently in the prior art.

Description

technical field [0001] The invention relates to power supply technology, in particular to a communication power supply and a control method thereof. Background technique [0002] In the communication network, the communication base station is usually powered by the AC grid through the communication power supply, and the AC power supply is unstable and frequently interrupted. When the AC power supply is interrupted, the communication power supply is powered by the battery. When the AC power supply returns to normal, the communication power supply needs to supply power to the main equipment of the base station on the one hand, and on the other hand, it needs to charge the battery. The corresponding maximum current is used for power supply or charging. In order to improve the communication coverage, the communication base station is generally selected at a higher location, which will make the transmission line between the AC power grid and the communication power supply longer...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J7/00
CPCH02J7/0068H04W88/08
Inventor 黄恩伦安强新曹丰年
Owner HUAWEI TECH CO LTD
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