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Small three-dimensional electric field sensor

A three-dimensional electric field and sensor technology, which is applied in the field of sensors, can solve the problems of error and the direction of electric field strength cannot be guaranteed to be consistent, and achieve the effect of small size, light weight, and reduced mutual interference

Active Publication Date: 2007-02-07
INST OF ELECTRONICS CHINESE ACAD OF SCI
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Problems solved by technology

The measurement direction of the current electric field sensor is limited to one-dimensional or two-dimensional directions, and because the detection direction cannot be guaranteed to be consistent with the direction of the electric field strength, it can only detect the magnitude of a certain direction or two direction components of the three-dimensional vector of the electric field strength. It is not completely consistent with the actual electric field intensity vector, and may produce large errors

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Embodiment Construction

[0015] The structure of the small three-dimensional electric field sensor of the present invention, as figure 1 , figure 2 , image 3 shown. It includes a sensor rotor 1, an induction electrode, an end cover 6, a support plate 7 and a drive unit 8, wherein a hollow end cover 6 is affixed to the support plate 7, and the end cover 6 is an inverted basin shape, and the side peripheral surface is formed by Four curved surfaces and four planes are arranged alternately. There is a flange folded at 90 degrees along the bottom end. The flange is fixedly connected with the support plate 7, and a hole is arranged in the center of the top surface. A support 23 is affixed in the central hole of the end cover 6 top surface, and the end cover 6, the support 23 and the support plate 7 have a common central axis, and there is a hole respectively on the common central axis of the support plate 7 and the support 23, and a main shaft 9 passes through it. Set through two holes, the main shaft...

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Abstract

The small-size 3D electric-field sensor comprises: a shield sensor rotor, three inductive electrodes (X, Y, and Z), an end cover as a back-off basin composed by four arc surfaces and planes fixed with radial electrodes, a supporting plate connected with a 90deg flanged edge on bottom of end cover, a drive unit, and a shell. This invention has light weight and little interactive interference among three directions.

Description

technical field [0001] The present invention relates to sensors, in particular to three-dimensional electric field sensors. Background technique [0002] The detection of electric field is not only of great significance to the launch of missiles, rockets, and spacecraft, but also to urban environmental pollution, ultra-clean laboratories, oil refineries, oil storage stations, explosive factories, wallpaper factories, mining, forest fire prevention, and factory interiors. It is also widely used in places such as electrostatic fields and other places that are prone to static electricity and are susceptible to static electricity and lightning hazards. The electric field sensor can directly measure the electric field intensity on the ground or in the air, implement effective monitoring and analysis, provide reliable means and basis for meteorological guarantee, and avoid the destructive effect of strong electric field. The measurement direction of the current electric field sen...

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Application Information

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IPC IPC(8): G01R29/12
Inventor 白强张星郑凤杰夏善红陈绍凤
Owner INST OF ELECTRONICS CHINESE ACAD OF SCI
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