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Adjustable power network power receiving circuit and equipment

An adjustable and power technology, applied in the field of active Ethernet, can solve the problem of uncontrollable load power accuracy, and achieve the effect of improving efficiency

Active Publication Date: 2021-04-06
深圳市菲菱科思通信技术股份有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Since the power of cement varies with the power supply voltage, the accuracy of the load power cannot be controlled

Method used

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  • Adjustable power network power receiving circuit and equipment
  • Adjustable power network power receiving circuit and equipment
  • Adjustable power network power receiving circuit and equipment

Examples

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Embodiment Construction

[0047] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.

[0048] In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Orientation or position indicated by "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. The relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the descrip...

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PUM

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Abstract

The invention discloses an adjustable power network power receiving circuit and equipment. The adjustable power network power receiving circuit includes: a POE data power supply separation module, a POE protocol module, a power switch module, a load power control module and a controller; The POE data power supply separation module is used to separate data and power from the output of the POE power supply equipment; the POE protocol module provides POE protocol detection for the POE power supply equipment; the power switch module is used to control the load power The module and the controller control the power supply switch; the load power control module generates adjustable power under the action of the controller. The adjustable power network power receiving circuit and equipment realize precise control of load power through the controller, so that the load power can be adjusted from 0.44W to 33W.

Description

technical field [0001] The invention relates to the technical field of active Ethernet, in particular to an adjustable power network power receiving circuit and equipment. Background technique [0002] Today, with the increasing popularity of the network, POE (Power Over Ethernet) centralized power supply is favored by business and enterprise users. However, it is not very convenient for testing POE equipment. [0003] There are mainly two existing test schemes: one is to use a PD (Powered Device) on the market as the test load. However, the power of corresponding PD devices on the market is relatively low, most of which are lower than 20W. However, the standard power of IEEE802.3AF specification is 30W, which makes it impossible for POE equipment manufacturers to run the test at full load during the generation test of the equipment. Another option is to use a cement resistance test load. Since the power of cement varies with the power supply voltage, the accuracy of the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/10H04L12/26G05F1/66
CPCG05F1/66H04L12/10H04L43/08
Inventor 冯小毛
Owner 深圳市菲菱科思通信技术股份有限公司
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