Terminal block structure and stator for resolver
View Patent ↗The width of a terminal block is decreased by decreasing a space between an external connecting terminal at each end of the external connecting terminals and an end portion of the terminal block, whereas a space between a winding terminal at each end of the winding terminals of terminals and an end portion of the terminal block is sufficiently obtained. A terminal 7 is provided with an external connecting terminal 71 and a winding terminal 72 , and the terminal 7 has a shape such that a center line Lp in the width direction of the winding terminal 72 is shifted from a center line Le in the width direction of the external connecting terminal 71 . A plurality of the terminals 7 are arranged on a terminal block 11 so that pitches between the winding terminals 72 are unequal.
1. A terminal block structure for a resolver comprising:
a terminal block; and
a plurality of terminals arranged in a width direction at predetermined spacing at the terminal block, wherein
each of the plurality of terminals includes an external connecting terminal and a winding terminal;
the winding terminal is shifted in a width direction with respect to the external connecting terminal; and
each of a pair of the winding terminals is located on both sides of a center of the terminal block in the width direction, and is aligned to the center of the terminal block.
2. The terminal block structure for the resolver according to claim 1 , wherein the plurality of terminals include the external connecting terminals arranged at the terminal block at an equal pitch.
3. The terminal block structure for the resolver according to claim 1 , wherein the plurality of terminals are formed in one or two types of shape.
4. A resolver stator comprising:
a stator core having an approximately circular shape and including a plurality of fixed magnetic poles arranged in a circumferential direction;
a first insulator and a second insulator having magnetic insulating portions and being attached to hold the stator core from both sides in an axial direction;
a plurality of coils, including an exciting coil and a detecting coil, being wound around the magnetic insulating portions; and
the terminal block structure recited in claim 1 .
5. A resolver comprising:
a rotor; and
a stator including:
a stator core having an approximately circular shape and including a plurality of fixed magnetic poles arranged in a circumferential direction;
a first insulator and a second insulator having magnetic insulating portions and being attached to hold the stator core from both sides in an axial direction;
a plurality of coils, including an exciting coil and a detecting coil, being wound around the magnetic insulating portions; and
the terminal block structure recited in claim 1 .
6. A sensor for detecting a rotation angle of a motor, the sensor comprising:
a member formed with an insulating resin;
a terminal block formed at the member; and
a plurality of terminals arranged in a width direction at predetermined spacing at the terminal bock, wherein
each of the plurality of terminals includes a terminal having a flat-sheet shape and a terminal having a long shape;
the terminal having the long shape is shifted in the width direction with respect to the terminal having the flat-sheet shape; and
the terminals having the long shape are located on both sides in the width direction and are shifted to a center of the terminal block with respect to the terminals having the flat-sheet shape on both sides in the width direction.
7. The sensor for detecting a rotation angle of the motor according to claim 6 , wherein the terminals having the flat sheet shape are arranged at the terminal block at an equal pitch in the width direction.
8. The sensor for detecting a rotation angle of the motor according to claim 6 , wherein the plurality of terminals are formed in one or two types of shape.
9. The sensor for detecting a rotation angle of the motor according to claim 6 , wherein the terminals having the long shape have a root portion bent in a crank shape.