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Magnetic induction water-proof encoder

A technology of a waterproof cover and an encoding device, applied in the field of encoding devices, can solve the problems of mechanical wear affecting the service life, the encoder only has the encoding function, and the use is unsafe, and achieves the effects of long service life, simple structure and low cost.

Inactive Publication Date: 2012-05-16
ZHONGSHAN CITY DAGUAN ELECTRIC CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It is not safe to use on electrical appliances in some kitchens, bathrooms, etc.
And mechanical wear affects the service life
[0005] Existing encoders only have encoding function, single function

Method used

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  • Magnetic induction water-proof encoder
  • Magnetic induction water-proof encoder
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Examples

Experimental program
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Embodiment Construction

[0038] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0039] refer to Figure 1-4 , This waterproof coding device with switch function includes: shell 1, magnet assembly 4, rotating shaft 3, second magnet 6, three Hall elements 8a, 8b, 8c, waterproof cover 2, rotary positioning mechanism of the knob and lifting and lowering mechanism positioning mechanism.

[0040] The shell 1 is composed of a lower shell 12 and a shell cover 11. A shaft seat 111 is arranged at the center of the shell cover 11, a cavity 121 coaxial with the shaft seat 111 is formed at the center of the shell bottom, and the outer side wall of the cavity 121 is formed with a mounting slot 122;

[0041] The magnet assembly 4 is composed of a bracket 42 and four first magnets 41. The magnet assembly 4 is placed in the housing 1 and can be rotated, and a driving hole 421 is provided in the center of the bracket 42;

[0042] The rotating shaft...

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Abstract

The invention discloses a magnetic induction water-proof encoder, which comprises a shell, a rotatable magnet assembly, a revolving shaft, a second magnet and three Hall elements, wherein the center of a shell cover is provided with an axle seat; a concave cavity which is coaxial with the axle seat is formed in the center of a shell bottom; an installation groove is formed in the outer side wall of the concave cavity; the rotatable magnet assembly is arranged in the shell; the revolving shaft is arranged in the axle seat; one end of the revolving shaft is connected with the magnet assembly; the second magnet is arranged in the concave cavity at the shell bottom, and is contacted with the revolving shaft through a thimble; two of the Hall elements are arranged on a circuit board below the shell; and the other Hall element is arranged in the installation groove at the shell bottom. The encoder has a simple structure, is low in cost, has a switch function and excellent waterproofness, and can work safely and stably in a damp or water spray environment.

Description

technical field [0001] The invention relates to an encoding device, in particular to a waterproof encoding device that converts angular displacement into encoded digital electrical signals, and has a switch function at the same time, and can output a switch signal independent of the encoded signal. Background technique [0002] An encoder is a sensor device that converts angular displacement or linear displacement signals into encoded digital electrical signals. The former is called a code wheel, and the latter is called a code ruler. According to the reading method, the encoder can be divided into two types: contact type and non-contact type. The contact type adopts the output of the brush, and the brush contacts the conductive area or the insulating area to indicate whether the state of the code is "1" or "0"; the non-contact receiving sensitive element is a photosensitive element or a magnetic sensitive element. The light-transmitting area and the opaque area are used t...

Claims

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Application Information

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IPC IPC(8): G01D5/249H03K17/95
Inventor 丘守庆许申生谢荣华李鹏陈劲锋马艳明
Owner ZHONGSHAN CITY DAGUAN ELECTRIC CO LTD
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