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Connection device and connection method

A technology of a connecting device and a connecting method, which is applied to the parts, connections, coupling devices and other directions of the connecting device, can solve problems such as increasing product cost, and achieve the effects of eliminating labor costs, reducing electromagnetic radiation interference signals, and reducing costs.

Inactive Publication Date: 2014-10-22
SHENZHEN JIUZHOU ELECTRIC
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  • Summary
  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0007] In view of this, it is necessary to provide a connection device for the above-mentioned problem of greatly increasing the cost of the product caused by filtering the electromagnetic radiation interference signal

Method used

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Embodiment Construction

[0021] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0022] figure 1 is a block diagram of the connecting device in one embodiment. Such as figure 1 As shown, the connection device is used to connect the host circuit part and the auxiliary circuit part, including: M signal lines 100 and N ground lines 200 . Wherein, both M and N are integers not equal to 0. The N grounding wires 200 are distributed between the M signal wires 100, and are used to reduce the common-mode voltage of the connecting device and reduce the electromagnetic radiation interference signal below a preset value. The default value is a value that meets the requirements of the s...

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Abstract

The invention relates to a connection device and a connection method. According to the connection device, N ground wires are distributed among M signal lines. When the connection device is connected with a main circuit portion and an auxiliary circuit portion, the N ground wires are connected in parallel, so that the impedance is reduced to 1 / N of the original one, the common-mode voltage is greatly reduced, and electromagnetic radiation interference signals generated by the common-mode voltage is greatly reduced. The connection device and the connection method utilize a mode of the distribution of the N ground wires, only a few ground wires need to be additionally arranged, and the ground wires are low in cost and can be machined without labor costs, so that the cost of the connection device is greatly reduced.

Description

technical field [0001] The invention relates to the communication field, in particular to a connection device and a connection method for connecting a host circuit part and an auxiliary circuit part. Background technique [0002] With the integration of the global economy, EMC certification, as a mandatory regulatory requirement, restricts Chinese products from entering the European market. On the other hand, the pressure of product cost is increasing, and it is required that the cost of electromagnetic compatibility design should be reduced in the process of product design. [0003] In conventional products, there are usually a host circuit part and an auxiliary circuit part, which are connected to each other through a connection device. The connection device has various forms, such as a cable and a socket. However, since the signal lines between the connecting devices are too long, a common-mode voltage will be generated, which will bring electromagnetic radiation interfe...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01R13/6471H01R12/71
Inventor 陈远馨
Owner SHENZHEN JIUZHOU ELECTRIC
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