Servo motor

The utility model provides a servo motor. An encoder can be accurately and easily checked. The encoder (100) is provided with a circular plate-shaped disk (110), an optical module (120), a substrate (130) and a cylindrical supporting part (140), wherein the circular plate-shaped disk (110) is connec...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	MATSUTANI SUMIHIRO, HARADA MANABU, HARADA MASANOBU, AOKI KENICHI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVEREDIN A SINGLE OTHER SUBCLASS CONVERSION OR DISTRIBUTION OF ELECTRIC POWER DYNAMO-ELECTRIC MACHINES ELECTRICITY GENERATION MEASURING MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR PHYSICS TARIFF METERING APPARATUS TESTING
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Beschreibung
Zusammenfassung:	The utility model provides a servo motor. An encoder can be accurately and easily checked. The encoder (100) is provided with a circular plate-shaped disk (110), an optical module (120), a substrate (130) and a cylindrical supporting part (140), wherein the circular plate-shaped disk (110) is connected with a shaft (SH), and is provided with a slit array (SA) consisting of a plurality of reflecting slits (111) along a circumferential direction; the optical module (120) is provided with a point light source (121) emitting light to the slit array (SA), and a lighted element (122) receiving light emitted by the point light source (121) and reflected by the slit array (SA); the optical module (120) is arranged on the substrate (130); and the cylindrical supporting part (140) is fixed on a shell (10) of the motor (M), accommodates the disk (110), and supports the substrate (130) in a way that the optical module (120) is opposite to the slit array (SA).