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Method and device for balanced power supply

A technology of a power supply method and a power supply device, which is applied in the field of communication, can solve problems such as high hardware costs and complex circuits, and achieve the effect of convenient and balanced power supply

Inactive Publication Date: 2013-02-20
立敦电子科技(惠州)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 is proposed in view of the problems of complex circuits and high hardware costs in the balanced power supply method in the related art. Therefore, the main purpose of the present invention is to provide a balanced power supply method and device to solve the above problems

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  • Method and device for balanced power supply

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Embodiment Construction

[0025] It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and examples.

[0026] The invention provides a balanced power supply method. figure 1 is a schematic diagram of a powered device (PD) and a power supply device (PSE) according to an embodiment of the present invention, such as figure 1 As shown, PSE end 1, PSE end 2...PSE end N is connected to the PD end through an Ethernet cable (CAT-5).

[0027] Wherein, the PD end device may be an independent device, or may be integrated inside the Ethernet device.

[0028] figure 2 It is a flowchart of a balanced power supply method according to an embodiment of the present invention, including the following steps S202 to S206.

[0029] Step S202, periodically detect the power supply time of multiple power supply por...

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Abstract

The invention discloses a method and a device for balanced power supply. The method comprises the steps of periodically detecting the power supply time of a plurality of power supply ports of a multi-port Ethernet power supply device according to the preset detection time; determining the power supply port with the shortest power supply time in the plurality of power supply ports; and using the determined power supply port to supply power to the multi-port Ethernet power supply device. By the aid of the method and the device, balanced power supply of the multi-port Ethernet power supply device can be achieved simply and conveniently.

Description

technical field [0001] The present invention relates to the communication field, in particular, to a method and device for balanced power supply. Background technique [0002] Among the existing Ethernet devices, many adopt Power over Ethernet (PoE) technology, use the existing network category 5 (CAT-5) data cable to transmit DC power, and transmit the power to the electrical equipment while transmitting the signal (PD). In a PoE system, the device that provides power to the PD is called a power supply equipment (PSE). [0003] Existing PD equipment often has multiple PSEs to supply power to it. In order to balance the power supply of each PSE, the method of current sharing in the prior art often requires complex hardware circuits, and the hardware cost is high. Contents of the invention [0004] The present invention is proposed to solve the problems of complex circuits and high hardware costs in the balanced power supply method in the related art. Therefore, the main ...

Claims

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Application Information

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IPC IPC(8): H04L12/10
Inventor 陈道伟
Owner 立敦电子科技(惠州)有限公司