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A mobile emergency power supply for communication and its voltage adaptive method

An emergency power supply and output voltage technology, applied in emergency power supply arrangements, battery circuit devices, current collectors, etc., can solve the problems of battery charge and discharge loss, large inrush current, ignition phenomenon, etc., to reduce the requirements of operators, prevent Impact, avoid the effect of power loss

Active Publication Date: 2018-02-06
DONGGUAN MENTECH OPTICAL & MAGNETIC CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the voltage of a fully charged battery pack is usually higher than that of a battery pack that has been discharged to a certain extent on site, so when it is charged and connected, it will produce a strong ignition phenomenon, the impact current is very large, it is very unsafe, and the original battery will be damaged. charging, resulting in unnecessary battery charge and discharge loss

Method used

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  • A mobile emergency power supply for communication and its voltage adaptive method
  • A mobile emergency power supply for communication and its voltage adaptive method

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Embodiment approach 1

[0058] Embodiment 1: In order to facilitate transportation, the battery pack 2 of the present invention is divided into a plurality of sub-boxes, and the sub-boxes are installed in a cabinet with rotating wheels, and a lithium battery is arranged in each sub-box.

Embodiment approach 2

[0059] Embodiment 2: When the volume of the battery pack 2 is small, in order to save costs and facilitate operation, the battery pack 2 of the present invention is arranged in a sub-box, and multiple groups of lithium batteries are arranged in the sub-box in parallel, and the sub-box is installed In a case with rotating wheels.

[0060] As a preferred embodiment of the present invention, the charging module 1, switch 3, DC voltage stabilizing module 4 and monitoring board 5 of the present invention are arranged in the same sub-box, and the sub-box is installed in a chassis with rotating wheels for easy transportation.

[0061] As a preferred embodiment of the present invention, in order to determine that the output voltage of the DC voltage stabilization module 4 is nearly equal to the battery voltage in the original communication power supply, the monitoring board 5 can monitor the output current of the DC voltage stabilization module 4. When the output current is stable Whe...

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Abstract

The invention discloses a mobile emergency power supply for communication and a voltage adaptive method thereof. The mobile emergency power supply includes a charging module, a storage battery pack, a switch, a DC voltage stabilization module and a monitoring board; The positive and negative poles and the positive and negative poles of the input terminal of the DC voltage stabilization module are connected in parallel, and the switch is connected in series between the battery pack and the DC voltage stabilization module to form a main circuit; the monitoring board is connected to the DC voltage stabilization module through a communication line to form a control subsystem. The invention utilizes the monitoring board to control the output voltage of the DC voltage stabilizing module so that it is nearly equal to the current working voltage of the original system when it is connected to the original communication power supply system, thereby effectively avoiding the large circulation between the two sets of batteries. Into sparking and impact, to avoid unnecessary power loss caused by mutual charging. The invention can connect the emergency power supply to prolong the power supply time of the system without any modification and operation on the original power supply, and the operation is simple and reliable.

Description

technical field [0001] The invention relates to communication power supply technology, in particular to a mobile emergency power supply for communication and a voltage adaptive method thereof. Background technique [0002] Many important precision electrical equipment such as communication equipment are directly powered by DC, and their power comes from the AC power grid and is converted into stable and clean DC power through a rectifier power supply device. In order to ensure the continuous and uninterrupted work of the main equipment, the communication power supply system is usually connected in parallel with battery packs. When the AC power grid fails, the battery pack can immediately supply power to the load equipment because of the direct parallel connection with the rectified power supply and the load equipment, thereby ensuring that the load equipment is not affected by the external power failure. [0003] However, the capacity of the battery pack is limited, and whe...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02J7/00H02J9/06
Inventor 冯涛
Owner DONGGUAN MENTECH OPTICAL & MAGNETIC CO LTD
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