MOTOR DEVICE

PROBLEM TO BE SOLVED: To provide a motor device which equalizes influence of noise between two signal processing circuits.SOLUTION: A rotation angle sensor 60 includes a bias magnet 61, a magnetic sensor part 62, a first signal processing circuit 63a, and a second signal processing circuit 63b. The...

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Bibliographische Detailangaben
Hauptverfasser:	HIBI TSUTOMU, ISHIKURA KOHEI
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVEREDIN A SINGLE OTHER SUBCLASS CONTROL OR REGULATION THEREOF CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER DYNAMO-ELECTRIC MACHINES ELECTRICITY GENERATION MEASURING MEASURING ANGLES MEASURING AREAS MEASURING IRREGULARITIES OF SURFACES OR CONTOURS MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS 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:	PROBLEM TO BE SOLVED: To provide a motor device which equalizes influence of noise between two signal processing circuits.SOLUTION: A rotation angle sensor 60 includes a bias magnet 61, a magnetic sensor part 62, a first signal processing circuit 63a, and a second signal processing circuit 63b. The first signal processing circuit 63a is arranged symmetrically to the second signal processing circuit 63b in the longer direction of a base plate 21 with respect to a magnetic sensor part 62 on an extension of the center of a rotational axis 11. Further, an inverter 40 is arranged symmetrically to an inverter 50 in the longer direction of a base plate 21 with respect to the magnetic sensor part 62.SELECTED DRAWING: Figure 3 【課題】２つの信号処理回路の間のノイズの影響をより均一化したモータ装置を提供する。【解決手段】回転角センサ６０は、バイアス磁石６１、磁気センサ部６２、第１信号処理回路６３ａ、および第２信号処理回路６３ｂを有している。第１信号処理回路６３ａは、基板２１の長手方向において、回転軸１１の軸心の延長線上にある磁気センサ部６２を基準として、第２信号処理回路６３ｂと対称的に配置されている。また、インバータ４０も、基板２１の長手方向において、磁気センサ部６２を基準として、インバータ５０と対称的に配置されている。【選択図】図３