A Small Inertia Limited Angle Sensor

A limited angle, sensor technology, applied in the field of sensors, can solve problems such as poor measurement accuracy and inflexible response

Inactive Publication Date: 2021-07-06
XIAN MICROMOTOR RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, there are many kinds of angle sensors, which are installed on the rotating shaft and can measure the rotation angle of the shaft. However, the existing angle sensors have a large moment of inertia. The problem of poor precision

Method used

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  • A Small Inertia Limited Angle Sensor
  • A Small Inertia Limited Angle Sensor
  • A Small Inertia Limited Angle Sensor

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Embodiment Construction

[0021] refer to Figure 1 to Figure 3 , the embodiment of the present invention proposes a small inertia limited angle sensor, comprising: a rotor 1 and a stator 2; a shaft hole 101 is arranged in the middle of the rotor 1, and a first outer arc segment 102 and a second arc segment are symmetrically arranged on the side wall of the rotor 1 Two outer circular arc sections 103, the first outer circular arc section 102 is provided with a rough machine excitation winding 104, the second outer circular arc section 103 is provided with a fine machine excitation winding 105; the stator 2 is symmetrically provided with a first inner circular arc segment 201 and the second inner arc segment 202, the first inner arc segment 201 is located at the periphery of the first outer arc segment 102, the second inner arc segment 202 is located at the periphery of the second outer arc segment 103, the first inner arc segment The circular arc section 201 is provided with a rough machine linear outp...

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Abstract

The invention belongs to the technical field of sensors, and discloses a small inertia limited angle sensor, comprising: a rotor and a stator; a shaft hole is arranged in the middle of the rotor, and a first outer circular arc section and a second outer circular arc are symmetrically arranged on the side wall of the rotor section, the first outer circular arc section is provided with a rough machine excitation winding, the second outer circular arc section is provided with a fine machine excitation winding; the stator is symmetrically provided with a first inner circular arc section and a second inner circular arc section, and the second inner circular arc section is arranged symmetrically. An inner arc segment is located on the periphery of the first outer arc segment, a second inner arc segment is located on the periphery of the second outer arc segment, and the first inner arc segment is provided with a rough machine linear output winding; the second inner arc segment Seiki sine output windings and Seiki cosine output windings are arranged on the arc section; wherein, two mutually parallel chord sections are provided between the first outer circular arc section and the second outer circular arc section. The small-inertia limited-angle sensor of the present invention adopts coarse-fine dual-channel combined coding, has high measurement accuracy, reduces the moment of inertia of the rotor, and has flexible response.

Description

technical field [0001] The invention belongs to the technical field of sensors, in particular to a small inertia limited angle sensor. Background technique [0002] At present, there are many kinds of angle sensors, which are installed on the rotating shaft and can measure the rotation angle of the shaft. However, the existing angle sensors have a large moment of inertia. The problem of poor precision. Contents of the invention [0003] In order to solve the above problems, the present invention provides a small inertia limited angle sensor, which has a small moment of inertia, flexible response and high measurement accuracy. [0004] In order to achieve the above object, the present invention adopts the following technical solutions. [0005] A small inertia limited angle sensor, comprising: a rotor and a stator; a shaft hole is set in the middle of the rotor, and a first outer arc segment and a second outer arc segment are symmetrically arranged on the side wall of the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01D5/20G01B7/30
CPCG01B7/30G01D5/2086
Inventor 沈桂霞张亮
Owner XIAN MICROMOTOR RES INST
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