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Non-contact voltage sensor system

A voltage sensor, non-contact technology, applied in the direction of measuring current/voltage, instruments, measuring electrical variables, etc., can solve the problem of not being able to accurately know the voltage situation, and achieve the effect of avoiding the danger of discharge and using it safely

Pending Publication Date: 2017-09-22
BEIJING TFLYING TRANSDUCER TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, only by measuring the electric field near the charged object, it is impossible to accurately know its voltage. The reason is that the test result of the electric field sensor is not only related to the voltage of the measured object, but also related to the test distance and test environment.

Method used

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Embodiment Construction

[0026] 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 specific embodiments and with reference to the accompanying drawings.

[0027] In the first embodiment of the present invention, a non-contact voltage sensor system with variable testing distance is provided. figure 1 For a schematic cross-section of the system, please refer to figure 1 , the sensor system includes: sensing electrode 1 , insulating layer 2 , distance measuring module 3 , electric field sensor 4 , probe shell 5 , probe wire 6 and measurement and communication unit 7 .

[0028] Wherein, the distance measuring module 3 and the electric field sensor 4 are rigidly fixed together, so as to ensure that the distance measuring module can accurately measure the distance between the electric field sensor and the charged object to be measured.

[0029] The ranging module 3 is an ultraso...

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Abstract

The invention discloses a non-contact voltage sensor system, and relates to the technical field of voltage detection. The sensor system comprises a ranging module or a distance-determination module, an electric field sensor and a measurement and communication circuit, wherein the ranging module or the distance-determination module and the electric field sensor are fixed together so as to determine the distance between the electric field sensor and a measured object, and the voltage of the measured object is calculated through the output result of the electric field sensor and the measuring distance.

Description

technical field [0001] The invention relates to the technical field of voltage monitoring, in particular to a non-contact voltage sensor system. Background technique [0002] Voltage monitoring has a wide range of applications. In the fields of petroleum, petrochemical, industrial production, etc., by monitoring the voltage of flammable and explosive dangerous goods and their containers, it is possible to know the static electricity carried by dangerous goods in time, and carry out early warning and linkage control of excessive static electricity to avoid ignition or even detonation due to electrostatic discharge. dangerous goods. By monitoring the voltage of the human body and equipment, and giving an early warning of the voltage exceeding the standard, the human body is reminded to release static electricity and the equipment is grounded in time, which can also avoid accidents such as damage to precision circuits caused by electrostatic discharge, and fires caused by flam...

Claims

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Application Information

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IPC IPC(8): G01R19/00
CPCG01R19/00
Inventor 闻小龙杨鹏飞刘宇涛吴双
Owner BEIJING TFLYING TRANSDUCER TECH CO LTD