A system and method for improving the stability of poe receiving end

A power receiving end and stability technology, which is applied in the system field of improving the stability of POE receiving end, to achieve the effect of improving stability, ensuring stability, and ensuring stability

Active Publication Date: 2022-07-08
世邦通信股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention provides a system and method for improving the stability of POE power receiving end, aiming to solve the technical problems of the above-mentioned defects existing in the power supply of existing POE power supply products

Method used

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  • A system and method for improving the stability of poe receiving end
  • A system and method for improving the stability of poe receiving end
  • A system and method for improving the stability of poe receiving end

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specific Embodiment

[0066] If the current upper limit of the available power of the 10 ports of the PSE end is 30W, the overcurrent protection power of the 10 ports of the PSE end is generally set to 30±1.0W, and the power output is monitored by current detection or voltage detection. When the output power of the terminal 10 port is greater than the set threshold for a certain period of time, it will perform current-limiting or power-limiting protection. If it exceeds the set time and still exceeds the set power, it will perform over-current protection, and the PSE port will cut off the load on the PD terminal. of power supply.

[0067] The rated power of the PD terminal 20 set by the power configuration unit 23 is 24W, but if the energy-consuming device connected to the PD terminal 20 is a power amplifier, the audio power peak value will be much larger than the average power during the playback of the audio file, resulting in power The peak value is suddenly high. For example, if an audio file w...

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Abstract

The invention discloses a system and method for improving the stability of a POE receiving end. The system includes a PSE end and a PD end. The PSE end is used to establish a communication connection with the PD end and provide output power to the PD end; the PD end includes a power limit unit, power compensation unit and power configuration unit, the power limiting unit is used to control the PSE end by automatically detecting the power output by the PSE end port, so that the maximum power output by the PSE end port is less than or equal to the preset limited power threshold; the power compensation unit It is used to identify idle power, store the idle power locally, and at the same time perform peak power protection on the stored power; the power configuration unit is used to make real-time adjustments to the on-site or remote power configuration, so as to promote the peak power of the POE receiving end products. Meet the needs of different applications. The invention improves the utilization rate of the output power of the PSE port of the POE switch as a whole, and improves the stability of the PD end device.

Description

technical field [0001] The invention relates to the field of POE (Power Over Ethernet, active Ethernet) power supply products, and particularly discloses a system and method for improving the stability of a POE power receiving end. Background technique [0002] In order to ensure its own reliability, the POE switch will detect the working current of the PD (Power Device) end in real time. Once the current limit of the port current PSE will automatically cut off the power supply of the PD. However, for products powered by POE with a large dynamic load change, to ensure the reliability of the product, the power of the product can usually only be designed according to the peak power, or multiple PSE (Power Sourcing Equipment, power supply equipment) ports can be used to supply power in parallel. If the product is designed according to the peak power, the average power will be too small to meet the demand; the method of using multiple PSE ports to supply power in parallel will w...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/10H04Q1/02
CPCH04L12/10H04Q1/03Y02D30/50
Inventor 彭本坚戴深亮
Owner 世邦通信股份有限公司
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