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Communication power supply system

A communication power supply and power monitoring technology, which is applied in the communication field, can solve problems such as many isolation circuits, high isolation cost, and complex circuits, and achieve the effects of improving isolation efficiency, reducing the number of uses, and simplifying circuit design

Active Publication Date: 2014-02-26
HUAWEI DIGITAL POWER TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since each communication bus of the communication module needs to be connected to the CPU, each communication bus needs a separate isolation circuit for isolation. When the communication module contains multiple communication buses, more isolation circuits are required, and the isolation cost is high. complex circuit

Method used

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Examples

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Embodiment 1

[0022] This embodiment provides a communication power supply system, such as figure 2 As shown, it includes: a power monitoring unit 1 and at least one power supply unit 3, wherein the power monitoring unit 1 is used for signal acquisition and communication between the communication power supply system and its docking equipment; the power supply unit 3 is used for converting the AC voltage of the AC power supply into DC voltage, and supply power for the load 5 and the power monitoring unit 1; in addition, the communication power supply system further includes a backup power unit 2 and a shunt 4, and the backup power unit 2 is used for monitoring the load 5 and the power supply when the power supply unit 3 is powered off The unit 1 supplies power; the shunt 4 is used to divide the DC voltage into multiple voltages to supply the load 5 . Signal acquisition includes the acquisition of distribution signals of the communication power system, the acquisition of environmental signal...

Embodiment 2

[0035] This embodiment provides a communication power supply system, such as Figure 4 As shown, it includes: a power monitoring unit 1, at least one power supply unit 3 and a shunt 4, wherein the power monitoring unit 1 is used to control the on-off of all branches in the communication power system, signal collection, and realize the communication power system and its docking equipment communication; the power supply unit 3 is used to convert the AC voltage of the AC power supply into a DC voltage, and supplies power to the load 5 and the power monitoring unit 1; the shunt 4 is used to divide the DC voltage into multiple voltages to supply the load 5 . The communication power supply system of this embodiment may further include a backup power supply unit 2 for supplying power to the load 5 and the power monitoring unit 1 when the power supply unit 3 is powered off. The signal acquisition realized by the power monitoring unit 1 includes the acquisition of the power distributio...

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Abstract

A communication power supply system relates to the field of communications, which can reduce the costs of isolation in the communication power supply system and improve isolation efficiency. The communication power supply system in the embodiments of the present invention includes: a power supply monitor unit and at least one power supply unit, with the power supply monitor unit including a signal processing module, an A / D conversion module, a central processing unit and a communication module and further including an isolation module provided between the A / D conversion module and the central processing unit for isolating the negative electrode bus of the power supply unit from the central processing unit and the communication module, wherein the signal processing module is connected to the A / D conversion module and the central processing unit is connected to the communication module.

Description

technical field [0001] The invention relates to the communication field, in particular to a communication power supply system. Background technique [0002] At present, the communication power supply system with a rated voltage between -36V and 60V is usually referred to as a -48V communication power supply system, that is, the positive pole of the power supply is 0V, and the negative pole is -48V. Generally, the -48V communication power supply system includes a power monitoring unit, a power supply unit, etc. Among them, an important function of the power monitoring unit is to collect various signals of various components in the communication power system, such as voltage, temperature, etc., for power monitoring The unit effectively controls each component. The power supply unit is used to supply power to components and loads of the power monitoring unit. [0003] After the power monitoring unit receives the current signal and voltage signal generated by each component wi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/10
CPCH04L2012/40215H04L12/40045
Inventor 李小兵
Owner HUAWEI DIGITAL POWER TECH CO LTD
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