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Signal acquisition module

A signal acquisition module and analog technology, applied in coupling devices, program control, instruments, etc., can solve the problems of easy insertion and damage to the electronic components of the measurement and control host, and achieve the effect of avoiding wrong insertion.

Active Publication Date: 2015-02-11
SHANGHAI INFRASWIN ENERGY TECH
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0003] The analog output terminals and digital output terminals used on the signal acquisition module of the existing power distribution cabinet have the same structural shape and size, and are easy to be inserted incorrectly, which will cause the analog transmission cable to be plugged into the digital output terminal. However, the digital transmission cable is plugged into the analog output terminal, which is easy to damage the relevant electronic components in the measurement and control host.

Method used

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  • Signal acquisition module

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Embodiment Construction

[0018] The embodiments of the present invention will be described in further detail below in conjunction with the accompanying drawings, but the present embodiments are not intended to limit the present invention, and any similar structures and similar changes of the present invention should be included in the protection scope of the present invention.

[0019] Such as figure 1 As shown, a signal acquisition module for a power distribution cabinet provided by an embodiment of the present invention, the acquisition module is provided with an analog output terminal 2, a digital output terminal 1, and a plurality of core-through current transformers 3. digital input terminal 4;

[0020] The analog output terminal 2 and the digital output terminal 1 are all plug-in terminals, and the analog output terminal 2 and the digital output terminal 1 each have a common terminal pin and nine signal terminal pins;

[0021] There are nine core-through current transformers 3, which are consis...

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Abstract

The invention relates to a signal acquisition module for a power distribution cabinet and to signal acquisition technical field and solves a technical problem for preventing cables from being plugged by mistake. The signal acquisition module is equipped with an analog output terminal, a digital output terminal, multiple straight-through current transformers, and multiple digital input terminal. The first output pin of each straight-through current transformer is connected with the common pin of the analog output terminal. The second output pin of each straight-through current transformer is connected with a corresponding signal pin of the analog output terminal. The first pin of each digital input terminal is connected with the common pin of the digital output terminal. The second pin of each digital input terminal is connected with a corresponding signal pin of the digital output terminal. The length of each analog output terminal is different from that of each digital output terminal. The pin distance of each analog output terminal is different from that of each digital output terminal. The signal acquisition module is suitable for electric signal acquisition of the power distribution cabinet.

Description

technical field [0001] The invention relates to a signal acquisition technology, in particular to a technology of a signal acquisition module for a power distribution cabinet. Background technique [0002] When the power distribution cabinet is running, it is necessary to use the signal acquisition module to collect the analog signal and switch status signal of its working circuit, and transmit the collected signal to the measurement and control host equipped with the power distribution cabinet. [0003] The analog output terminals and digital output terminals used on the signal acquisition module of the existing power distribution cabinet have the same structural shape and size, and are easy to be inserted incorrectly, which will cause the analog transmission cable to be plugged into the digital output terminal. However, the digital transmission cable is plugged into the analog output terminal, which is easy to damage the relevant electronic components in the measurement an...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B19/04H01R13/02
CPCG05B19/0423H01R13/64H01R13/642
Inventor 李守军陶弢李娜潘新风
Owner SHANGHAI INFRASWIN ENERGY TECH
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