JPWO2020196346A5 - - Google Patents

Claims (13)

Excitation part where two magnetic poles are arranged alternately,
An electromagnetic actuator comprising an armature with a substrate on which linear wiring is formed, having coiled portions in which linear portions and connecting portions are alternately formed.
The substrate has a first wiring region in which the straight line portion through which the current flows in the first direction is arranged when a current is passed through the linear wiring, and a first wiring region in which the current is opposite to the first direction. The second wiring region in which the straight line portion flowing in the second direction is arranged is alternately arranged along the relative movement direction between the exciting portion and the armature.
The linear wiring includes a start end portion, a coil portion, and an end portion on both one surface and the other surface of the substrate.
When a current is passed through the linear wiring, the straight portion on one surface and the straight portion on the other surface are formed in the same wiring region with the substrate interposed therebetween. ,
The armature includes a board unit in which a plurality of the boards are laminated.
The substrate is flexible and includes a slit extending along the longitudinal direction of the straight line portion between the first wiring region and the second wiring region.
The plurality of substrates included in the substrate unit are electromagnetic actuators that mutually accommodate wiring regions in the slits. The electromagnetic actuator according to claim 1, wherein the end portion of the linear wiring on one surface is electrically connected to the start end portion of the linear wiring on the other surface. (Delete) (Delete) The armature comprises a plurality of the board units.
The electromagnetic actuator according to claim 1 or 2, wherein the plurality of substrate units are laminated. It is provided with two excitation parts sandwiching the armature.
The electromagnetic actuator according to any one of claims 1, 2, and 5, wherein the two exciting portions are arranged in a state where different magnetic poles face each other. When the direction orthogonal to the relative movement direction is the lateral direction,
The electromagnetic actuator according to any one of claims 1, 2, 5, and 6, wherein at least one of the excitation unit and the armature includes a regulation unit that regulates the lateral movement of the other party. The electromagnetic actuator according to any one of claims 1, 2, and 5 to 7, wherein the exciting portion and the armature include a convex portion extending in the relative moving direction. The electromagnetic actuator according to any one of claims 1, 2, and 5 to 8, wherein the exciting portion and the armature have flexibility. A first power supply unit that supplies current to the armature,
It is equipped with a position sensor that detects the relative position between the excitation unit and the armature.
The electromagnetic actuator according to any one of claims 1, 2, and 5 to 9, wherein the first power supply unit changes the phase of the current based on the relative position detected by the position sensor. A second power supply unit that supplies current to the armature,
By measuring the voltage generated by the armature while the current is temporarily stopped from the state where the current is supplied from the second power supply unit to the armature, the exciting unit and the electric machine are used. It is equipped with a detector that detects the position relative to the child.
The electromagnetic actuator according to any one of claims 1, 2, and 5 to 9, wherein the second power supply unit changes the phase of the current based on the relative position detected by the detection unit. The exciting portion includes a plurality of terminal groups composed of a plurality of terminals arranged at equal intervals along the relative moving direction, corresponding to a plurality of different current phases.
A third power supply unit that supplies a current to the armature via the terminal group is provided.
The electromagnetic actuator according to any one of claims 1, 2, and 5 to 9, wherein currents having different phases are supplied to the armature according to the relative position between the exciting portion and the armature. The electromagnetic actuator according to claim 12, wherein the plurality of different current phases are 3 or more.