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Partial voltage monitoring anti-interference device

An anti-jamming device and monitoring system technology, applied in the field of detection, can solve problems such as the impact of data acquisition systems

Inactive Publication Date: 2020-09-04
SHENZHEN POWER SUPPLY BUREAU
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Based on this, it is necessary to provide a voltage-dividing monitoring anti-interference device for the problem that the interference introduced by the power supply has an impact on the data acquisition system

Method used

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Embodiment Construction

[0029] In order to make the above objects, features and advantages of the present invention more comprehensible, specific implementations of the present invention will be described in detail below in conjunction with the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, the present invention can be implemented in many other ways different from those described here, and those skilled in the art can make similar improvements without departing from the connotation of the present invention, so the present invention is not limited by the specific implementations disclosed below.

[0030] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field of the invention. The terms used herein in the description of the present invention are for the purpose of descr...

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Abstract

The invention relates to a partial voltage monitoring anti-interference device which comprises the components of a partial voltage monitoring system which has an input end that is connected with a to-be-tested power supply and is used for converting high voltage of the to-be-tested power supply into low voltage; the acquisition end of the data acquisition system is connected with the output end ofthe voltage division monitoring system through a signal transmission line, and the data acquisition system is used for acquiring and processing low voltage to obtain the voltage of the to-be-tested power supply; and the power supply is used for supplying power to the data acquisition system, the power supply comprises an isolation transformer, a distribution parameter attenuator and a low-pass filter, the distribution parameter attenuator comprises a first coil and a second coil, and the first coil and the second coil are both formed by winding twisted pairs. The isolation transformer and thelow-pass filter can effectively suppress interference of high and low frequencies, and the attenuator can ensure the anti-interference capability of the low-pass filter, so that interference introduced by a power supply can be effectively reduced.

Description

technical field [0001] The invention relates to the technical field of detection, in particular to an anti-jamming device for partial pressure monitoring. Background technique [0002] Interference generally refers to noise other than useful signals, some harmful electrical changes that occur during signal input, transmission, and output, and these changes force errors or artifacts in the transmission value, indication value, or output value of the signal. Generally, interference is divided into two categories, one is the interference caused by equipment and feeder system, and the other is other interference, which can be considered as external interference. Common interferences include conducted interference and radiated interference. Among them, conducted interference refers to the interference transmitted to sensitive devices through wires, and radiated interference refers to the interference transmitted to sensitive devices through space radiation. [0003] In the data ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R15/06G01R15/04G01R15/14G01R15/18
CPCG01R15/06G01R15/04G01R15/14G01R15/18
Inventor 唐峰吕启深鲜成张嘉乐
Owner SHENZHEN POWER SUPPLY BUREAU
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