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Power supply meshwork apparatus and electric surge protective circuit thereof

A technology of power supply network and protection circuit, which is applied in the direction of circuit devices, emergency protection circuit devices for limiting overcurrent/overvoltage, emergency protection circuit devices, etc. Transmission quality and other issues to achieve the effect of avoiding absorption

Active Publication Date: 2008-06-18
DELTA ELECTRONICS INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] However, under such a structure, the capacitors 12 and 13 will absorb the information signal on the power network processing circuit 11 and the power network 2, so that the strength of the information signal is attenuated, thus causing a decrease in data transmission rate and affecting data transmission quality

Method used

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  • Power supply meshwork apparatus and electric surge protective circuit thereof
  • Power supply meshwork apparatus and electric surge protective circuit thereof
  • Power supply meshwork apparatus and electric surge protective circuit thereof

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Embodiment Construction

[0026] A power network device according to a preferred embodiment of the present invention will be described below with reference to related drawings.

[0027] Referring to FIG. 2 , a power network device 3 according to a preferred embodiment of the present invention is electrically connected to a power network 4 , and the power network device 3 includes a power network processing circuit 31 and a surge protection circuit 32 . The power network processing circuit 31 is electrically connected to the surge protection circuit 32 .

[0028] An information signal (information signal) is transmitted between the power network 4 and the power network processing circuit 31, and the power network processing circuit 31 is electrically connected to the power network 4 to receive / transmit the information signal (information signal), and Demodulate / modulate, or decode / encode, etc. the information signal, so as to restore the data signal from the information signal, or mix the data signal in...

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Abstract

The invention provides a power supply network device which is electrically connected with a power supply network. The power supply network device comprises a power supply network processing circuit and a surge protection circuit. The power supply network processing circuit is electrically connected with the surge protection circuit. The surge protection circuit is provided with at least one inductor, at least one capacitor and at least one arrester. The inductor is electrically connected with the power supply network; the arrester is electrically connected with a grounding terminal; the inductor and the capacitor are connected with the arrester in series to guide the surge which is originated from the power supply network to the grounding terminal.

Description

technical field [0001] The invention relates to a network device, in particular to a power supply network device. Background technique [0002] The power network (HomePlug) communicates with the network devices of the terminals through the power supply wires, and uses the power wires for data transmission, so it can avoid the trouble of network wiring for ordinary families, schools, companies, etc. [0003] Since the power wires are full of noise, the power network uses IEEE 802.11 Carrier Sense Multiple Access with Collision Avoidance (CSMA / CA) as the media access method, and the noise in the power wires Fewer frequency bands (4.3-20.9MHz) are used for data transmission. In addition, the power network uses the modulation method of Orthogonal Frequency Division Multiplexing to increase the transmission rate and anti-interference ability. [0004] Generally speaking, power lines may generate surges due to factors such as lightning strikes or interference. In order to avoid ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02H9/00H02H9/04
Inventor 陈育钲施云腾吴明发许汉正
Owner DELTA ELECTRONICS INC