Electric field sensor for realizing three-dimensional electric field measurement by adopting motor to drive universal joint transmission
An electric field sensor, three-dimensional electric field technology, applied in electrostatic field measurement and other directions, can solve the problems of large size, affecting the operation of the sensor, difficult to fully perceive the multi-dimensional electric field, etc., to achieve the effect of miniaturization
Pending Publication Date: 2022-02-18
BEIHANG UNIV
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Problems solved by technology
[0003] Traditional electric field measurement sensors generally can only measure the electric field environment in one dimension, so it is difficult to fully perceive the multi-dimensional electric field in the real three-dimensional environment, which makes the measurement have certain defects
In order to solve this problem, three-dimensional electric field sensors have been developed one after another, but most of the traditional three-dimensional electric field sensors have problems such as large size and the possibility of affecting the operation of the sensor due to rainwater deposition in rainy days.
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[0016] The technical solutions of the present invention will be further described in detail below with reference to the drawings in the specification.
[0017] The present invention is an electric field sensor that utilizes a motor drive a three-dimensional electric field measurement. Such as figure 1 As shown, the sensor consists of the following parts: including one-dimensional measurement unit 1 (2), one-dimensional measurement unit 2 (3), one-dimensional measurement unit 3 (4), universal joint 1 (14), universal joint 2 (15), universal joint 3 (16), motor 1 (17), motor 2 (18), motor 3 (19) and signal processing unit (20); when the field strength vector is performed, first, will An electric field sensor (1) using a motor drives the universal section to achieve a three-dimensional electric field measurement is mounted on any fixed device. Then, an electric field sensor (1) that uses a motor-driven electric field measurement to achieve a three-dimensional electric field measuremen...
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The invention provides an electric field sensor for realizing three-dimensional electric field measurement by adopting a motor to drive universal joint transmission. The device is based on a one-dimensional field grinding type electric field measurement structure, a universal joint is connected with a motor and a circular metal shielding sheet, and the motor transmits power to the circular metal shielding sheet in a variable-angle mode to achieve coaxial rotation of the circular metal shielding sheet and a fixed circular metal induction sheet. The circular metal induction sheet is periodically shielded by the circular metal shielding sheet, and an induced current is generated on the circular metal induction sheet. Finally, three groups of identical universal joint transmission structures are respectively arranged in three-dimensional directions, induced currents respectively corresponding to the three-dimensional directions are obtained, and the induced currents in the three-dimensional directions are synthesized, so that the three-dimensional electric field intensity to be measured is obtained through conversion.
Description
Technical field [0001] The present invention belongs to the field of detection techniques and automation, and more particularly to an electric field sensor with a three-dimensional electric field measurement using a motor, including the structure and implementation principle of the apparatus, and the invention is suitable for measuring a three-dimensional electric field environment. . Background technique [0002] With the continuous development of national grid technology, the status of EHV transmission lines throughout the transmission grid system is also increasingly important. The implementation of the special high pressure transmission line has higher reliability, however, the special high-pressure transmission line has problems such as electromagnetic environment pollution and strong electricity discharge, and the production and life of the broad masses may bring bad. The influence, this requires us to improve the precision detection of electric field environment around the...
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IPC IPC(8): G01R29/12
CPCG01R29/12
Inventor 袁海文刘承鑫吕建勋肖之元
Owner BEIHANG UNIV