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A permanent magnet surface flow field sensor and sensor array

A sensor array and permanent magnet technology, applied in instrumentation, fluid velocity measurement, velocity/acceleration/impact measurement, etc., can solve the problems that surface mounting cannot be realized, and the sensor power consumption, size and weight are extremely high, and achieve light weight and high performance. The effect of low consumption, easy mass production and low cost

Active Publication Date: 2022-07-19
BEIHANG UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since underwater robots, underwater glider and other equipment have extremely high requirements on the power consumption, size and weight of the sensor, in order to reduce energy consumption, it is necessary not to damage the streamline shape of the equipment surface as much as possible, and the existing underwater underwater odometer cannot be surface-mounted.

Method used

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  • A permanent magnet surface flow field sensor and sensor array
  • A permanent magnet surface flow field sensor and sensor array
  • A permanent magnet surface flow field sensor and sensor array

Examples

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Effect test

Embodiment 1

[0029] This embodiment provides a permanent magnet surface flow field sensor, such as figure 1 and figure 2 As shown, it includes an electrode 1 , a conductive base 2 , an insulating layer 3 , a substrate 4 and a magnet 5 . The electrode 1 is fixed on the conductive base 2, the conductive base 2 is fixed on the first part of the base plate 4, the insulating layer 3 is fixed on the second part of the base plate 4, and the magnet 5 attached to the bottom surface of the substrate 4 .

[0030] Specifically, the electrode 1 is a silver electrode, a silver chloride electrode or a gold electrode, which is deposited on the surface of the conductive substrate 2 by an electroless plating method for direct contact with ionic conductive fluids such as water, sodium chloride solution, and seawater. The conductive substrate 2 is a copper foil substrate, and metal copper is deposited on the surface of the substrate 4 according to the required pattern by the mask exposure pattern transfer ...

Embodiment 2

[0034] This embodiment provides a permanent magnet surface flow field sensor array, such as figure 2 and image 3 As shown, it includes: a plurality of electrode groups, a plurality of common mode voltage suppressing electrodes 10 , a conductive substrate 2 , an insulating layer 3 , a substrate 4 and a magnet 5 . The plurality of electrode groups are fixed on the first part of the conductive base 2 ; the insulating layer 3 is fixed on the second part of the conductive base 2 , and the insulating layer 3 is on the first part of the conductive base 2 The conductive base 2 is fixed on the base plate 4 , and the magnet 5 is attached to the bottom surface of the base plate 4 . Same as Example 1, the base is a copper foil base, and metal copper is deposited on the surface of the substrate 4 according to the required pattern by the mask exposure pattern transfer method to form a conductive loop to transmit the electrical signal to the signal amplifier; the substrate 4 is the substr...

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Abstract

The invention relates to a permanent magnet surface flow field sensor and a sensor array. The sensor includes: an electrode, a conductive base, an insulating layer, a base plate and a magnet; the electrode is fixed on the conductive base, the conductive base is fixed on the first part of the base plate, and the insulating layer is fixed on the base plate The second part of the magnet is attached to the bottom surface of the substrate. The present invention can reduce the size of the underwater speed odometer and realize surface mounting.

Description

technical field [0001] The invention relates to the field of flow field sensors, in particular to a permanent magnet surface flow field sensor and a sensor array. Background technique [0002] As an important component of underwater equipment such as underwater robots, underwater vehicles and underwater gliders, sensors directly determine the performance of underwater equipment. Different from land or air equipment, underwater speed measurement has always been a relatively complex task. process. Due to the inability to use GPS / GNASS / Beidou and other navigation systems and radio navigation methods, the navigation and guidance of existing underwater equipment relies on bulky inertial guidance components and magnetic compass devices; underwater speedometers, underwater odometers are paired with The navigation and guidance of underwater equipment plays an important role. Because underwater robots, underwater gliders and other equipment have extremely high requirements on the p...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01P5/08
Inventor 王少萍王章陶王兴坚罗雪松张超
Owner BEIHANG UNIV
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