PROBLEM TO BE SOLVED: To provide a sensor mounting board capable of appropriately reducing a disturbance magnetic field to a sensor, a displacement detection device in which a sensor is appropriately mounted in an electronic circuit board, and a rear wheel steering device equipped with the displacement detection device.SOLUTION: A pair of choke coils 61, 62 with a coil wound round are disposed so that the directions of magnetic fields on a coil axis of each are opposite each other and the coil axis of each is perpendicular to the electronic circuit board 40 and parallel to each other. A sensor mounted on the electronic circuit board (e.g., a displacement sensor 5a) is disposed on a line equal in distance from the two coil axes.
【課題】センサに対する外乱磁場を適切に低減し得るセンサ実装基板を提供する。また、センサを電子回路基板に適切に装着した変位検知装置、更に、その変位検知装置を備えた後輪操舵装置を提供する。【解決手段】コイルが巻装された一対のチョークコイル61及び62が、各々のコイル軸上の磁界の向きが相互に逆向きであり、各々のコイル軸が電子回路基板40に垂直で相互に平行となるように配置される。電子回路基板に実装されるセンサ(例えば変位センサ5a)は、二つのコイル軸から等しい距離の線上に配置される。【選択図】図1
SENSOR MOUNTING BOARD, DISPLACEMENT DETECTION DEVICE EQUIPPED THEREWITH, AND REAR WHEEL STEERING DEVICE OF VEHICLE EQUIPPED THEREWITH
センサ実装基板、該基板を備えた変位検知装置、及び該装置を備えた車両の後輪操舵装置
2015-12-14
Patent
Electronic Resource
Japanese
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