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Surge protection device of end-span method active Ethernet

A surge protector and Ethernet technology, applied in the field of electric power equipment, can solve problems such as equipment port damage and communication interruption, and achieve the effects of small insertion loss, convenient installation and large current capacity

Active Publication Date: 2015-02-25
江苏煌恒通信设备制造有限公司
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Problems solved by technology

[0002] Lightning is a natural discharge phenomenon. The harm caused by lightning to communication facilities is mainly reflected in the electrostatic induction of lightning and electromagnetic induction of lightning. The lightning overvoltage formed by the electrostatic induction and electromagnetic induction of lightning is transmitted to the equipment terminal through the communication cable, causing The port of the device is damaged, causing the communication to be interrupted

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  • Surge protection device of end-span method active Ethernet

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Embodiment Construction

[0019] The technical solutions of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0020] Such as figure 1 The schematic diagram of the circuit structure of the present invention is shown as a surge protector for active Ethernet with end-spanning method. The active Ethernet adopts end-spanning method and includes a network signal protection unit and RJ45 input and output interfaces.

[0021] The network signal protection unit includes a lightning wave energy release circuit and an inter-line clamping circuit. The lightning wave energy release circuit includes a first three-pole gas discharge tube GDT1 and a second three-pole gas discharge tube GDT2. The inter-line clamping circuit It includes an inter-line clamp circuit for power supply and an inter-line clamp circuit for network signals, the inter-line clamp circuit for power supply includes a first rectifier bridge BG1, a second rectifier bridge BG2, a first transient s...

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Abstract

The invention discloses a surge protection device of an end-span method active Ethernet. An end-span method is adopted in the active Ethernet, and the active Ethernet comprises a network signal protection unit, an RJ45 input interface and an RJ45 output interface. The network signal protection unit comprises a first triode gas discharge tube, a second triode gas discharge tube, a first rectifier bridge, a second rectifier bridge, a first transient voltage suppressor, a second transient voltage suppressor, a first bidirectional transient voltage suppressor and a second bidirectional transient voltage suppressor. The surge protection device of the end-span method active Ethernet can be used for restraining lightning overvoltage formed by lightning electrostatic induction and electromagnetic induction for the active Ethernet with an intermediate span method adopted, lightning current energy is released to the ground, and it is ensured that the active Ethernet runs normally.

Description

technical field [0001] The invention belongs to the field of electric power equipment, and in particular relates to a surge protector for active Ethernet with end-spanning method. Background technique [0002] Lightning is a natural discharge phenomenon. The harm caused by lightning to communication facilities is mainly reflected in the electrostatic induction of lightning and electromagnetic induction of lightning. The lightning overvoltage formed by the electrostatic induction and electromagnetic induction of lightning is transmitted to the equipment terminal through the communication cable, causing The port on the device is damaged, causing a loss of communication. Active Ethernet is one of the commonly used network communications. [0003] Active Ethernet refers to the technology that can provide DC power supply for some IP-based terminals while transmitting data signals for some IP-based terminals without any changes to the existing Ethernet Cat. . The standard Categ...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02H9/04H02H9/06
Inventor 李祥超周中山陈则煌陈璞阳
Owner 江苏煌恒通信设备制造有限公司
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