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A voltage switching circuit applied to pse switch

A technology of voltage switching and switching, applied in data exchange details, electronic switches, electrical components, etc., can solve problems such as abnormality of common access equipment, power waste, etc., and achieve the effects of wide application, improved compatibility, and reduced power loss

Active Publication Date: 2018-09-14
SHENZHEN GONGJIN ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If the PSE switch is used as an ordinary switch, it may cause abnormality of ordinary access equipment, and the power will be wasted

Method used

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  • A voltage switching circuit applied to pse switch
  • A voltage switching circuit applied to pse switch

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Embodiment Construction

[0016] 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.

[0017] Such as Figure 1 to Figure 2 As shown, a voltage switching circuit applied to a PSE switch, which includes a power supply module, a first switch control module, a poe Ethernet power supply module, a voltage stabilization module, a second switch control module, a 48V to 12V power conversion module and a Main Broad Signal motherboard; the power module is connected to the poe Ethernet power supply module through the first switch control module; the power module is connected to the second switch control module, and the second switch control module is connected to the 48V to 12V power conversion module, so The 48V to 12V power conversion module is connected to the Main Broad signal mainboard, the second switch control module is connected to the Main Broad signal mainboard; the first switch control modul...

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Abstract

The invention discloses a voltage switching circuit applied to a PSE switch. The voltage switching circuit comprises a power module, a first switch control module, a power-over-Ethernet (poe) module, a voltage stabilizing module, a second switch control module, a 48 V-to-12 V power switching module and a Main Board signal main board. By means of the voltage switching circuit applied to the PSE switch, power supply modes are automatically switched according to input of different power adapters on the basis that the specific performance of products is not affected, so that the compatibility and practicability of the switch are improved, the power loss of the switch is reduced, and thus the switch can be applied more widely. The voltage switching circuit applied to the PSE switch is widely suitable for the poe technical field.

Description

technical field [0001] The invention relates to the technical field of power over Ethernet poe, in particular to a voltage switching circuit applied to a PSE switch. Background technique [0002] POE is also known as local area network-based power supply system (POL, Power over LAN) or active Ethernet (Active Ethernet), sometimes referred to as Ethernet power supply, which is the use of existing standard Ethernet transmission cables to transmit data and The latest standard specification of electrical power, and maintain compatibility with existing Ethernet systems and users. PSE (Power Sourcing Equipment) refers to equipment that supplies power to Ethernet client devices. The IEEE 802.3af standard is a new standard based on the Power over Ethernet system POE. It adds relevant standards for direct power supply through network cables on the basis of IEEE 802.3. It is an extension of the existing Ethernet standard and the first international standard for power distribution. s...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H03K17/687H04L12/10
CPCH03K17/687H04L12/10
Inventor 孙翀王民利张涛范淑一
Owner SHENZHEN GONGJIN ELECTRONICS CO LTD