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Kit for an electric motor having a rotary encoder

A rotary encoder and kit technology, applied in the field of motor kits, can solve the problems of high cost of metal pins and insufficient stability of plastic pins, etc., and achieve the effects of easy assembly, good positioning accuracy, and compact structure

Active Publication Date: 2011-11-23
MAXON MOTOR AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage here is the high cost of metal pins and the insufficient stability of plastic pins

Method used

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  • Kit for an electric motor having a rotary encoder
  • Kit for an electric motor having a rotary encoder
  • Kit for an electric motor having a rotary encoder

Examples

Experimental program
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Effect test

Embodiment Construction

[0038] figure 1 An exploded view of a kit 1 for an electric motor 2 with a rotary encoder for determining the position of the motor shaft 5 of the electric motor 2 is shown. The kit 1 comprises an electric motor 2 which preferably has a cylindrical housing 3 . At the rear end face 4 of the housing 3 , the motor shaft 5 of the electric motor 2 emerges from the housing 3 .

[0039] Kit 1 further comprises a physical measure 6 of the rotary encoder. In the assembled state of the kit 1 , the physical measure 6 is fixed to a defined position on the motor shaft 5 of the motor 2 .

[0040] The rotary encoder of kit 1 further comprises a sensor with associated sensor electronics embedded in a plastic disc 7 . The plastic disc 7 is provided with a sensor-side mount 8 at its end facing the motor 2 . The sensor side mount 8 can be mounted, preferably fitted to the motor side mount ( figure 1 not shown in ). The sensor-side mount 8 and the motor-side mount then form a standardized i...

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PUM

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Abstract

The present invention relates to a kit (1) for an electric motor (2) having a rotary encoder for determining the position of the motor shaft (5) of the electric motor. A kit is proposed by means of which simple and precise positioning of a sensor (10) of the rotary encoder on the electric motor, good protection of the sensor, and simple assembly are possible. To this end, the invention proposes that the kit comprises an electric motor and a rotary encoder having a solid measure and having a sensor (10) having sensor electronics, wherein the solid measure (6) of the rotary encoder can be applied to a motor shaft at a reverse end face of the electric motor and protruding therefrom, the sensor (10) of the rotary encoder is embedded with the sensor electronics in a plastic disc (7), a motor-side mounting element (9) is disposed at the reverse end face of the electric motor (2), and the plastic disc (7) comprises a sensor-side mounting element (8) designed to be complementary to the motor-side mounting element (9).

Description

technical field [0001] The invention relates to a set for an electric motor with a rotary encoder, wherein the rotary encoder is used to determine the position of the motor shaft of the electric motor. Background technique [0002] It is known to provide an electric motor with a rotary encoder to determine the position of the motor shaft of the electric motor. Typically, such rotary encoders consist of a sensor and solid gauge fixed to the motor shaft The rotation of the motor shaft and thus the solid measuring tool can be recorded by a sensor and output in the form of an electrical signal. For this purpose, many different variants of rotary encoders can be used, such as capacitive, inductive, reluctance, optical, magnetic or potentiometric rotary encoders. A rotary encoder can be mounted directly in the motor. For this purpose, each motor diameter and each type of rotary encoder requires a different rotary encoder housing and a corresponding mating connection on the mot...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01D11/30
CPCG01D11/30
Inventor 马克·埃瑞克·比塞-格拉维茨弗洛里安·施密特贝托尔德·普斯陶雷托·克尔纳马里奥·吕斯曼布鲁诺·翁特纳瑞
Owner MAXON MOTOR AG