Insulation device, motor stator and motor
Embodiments of the present disclosure include insulating devices, motor stators, and motors. The insulating device comprises at least one insulating frame and at least one insulating wrapping layer; the insulating frame has at least two support ends with the same orientation and arranged at intervals; the insulating wrapping layer is a cylindrical structure, and at least one open end of the cylindrical structure wraps the at least two support ends on the insulating frame and is supported by the support ends to form a winding space. The insulating device can balance the copper wire space factor and the manufacturing cost.
1 . An insulating device comprising:
an insulating frame with two support ends sharing an orientation and arranged at intervals; and
an insulating wrapping layer having an elongated hollow rectangular structure, the elongation defining a primary axis;
wherein an open end of the elongated hollow rectangular structure wraps the two support ends on the insulating frame and is in turn supported by the two support ends to form a winding space in an interior of the elongated hollow rectangular structure;
wherein a stator winding extends through the winding space along a primary axis.
2 . The insulating device according to claim 1 , wherein at least one end of each insulating wrapping layer includes an extension part folded and pressed by the insulating frame.
3 . The insulating device according to claim 2 , wherein the insulating frame further comprises a pressing plate pressing the extension part.
4 . The insulating device according to claim 3 , further comprising:
a tablet on which a column is arranged; and
a pressing through hole on the pressing plate;
wherein the tablet is pressed on the pressing plate; and
the column is inserted into the pressing through hole and pressed on the extension part.
5 . The insulating device according to claim 1 , wherein a contact surface between the support ends and the insulating wrapping layer comprises a streamline surface.
6 . The insulating device according to claim 1 , further comprising a second insulating frame; and
wherein the first insulating frame and the second insulating frame support both ends of the insulating wrapping layer respectively.
7 . The insulating device according to claim 6 , further comprising a second insulating wrapping layer; and
wherein two sides of the first insulating frame and the second insulating frame have at least two support ends respectively;
the first insulating frame and the second insulating frame are arranged opposite to each other;
the support ends on the first side of the first insulating frame and the support ends on the same side of the second insulating frame are used to support both ends of the first insulating wrapping layer; and
the support ends on the second side of the first insulating frame and the support ends on the same side of the second insulating frame are used to support both ends of the second insulating wrapping layer.
8 . A motor stator comprising:
a stator core; and
an insulating device according to claim 7 ;
wherein the stator core has a first stator slot and a second stator slot arranged adjacent to each other;
the first insulating wrapping layer is arranged in the first stator slot and the second insulating wrapping layer is arranged in the second stator slot;
the support ends on one side of the first insulating frame and the second insulating frame are arranged in the first stator slot, and the support ends on the other side of the first insulating frame and the second insulating frame is arranged in the second stator slot.
9 . A motor stator comprising:
a stator core with windings; and
an insulating device including an insulating frame with two support ends sharing an orientation and arranged at intervals, and an insulating wrapping layer having an elongated hollow rectangular structure, the elongation defining a primary axis;
wherein an open end of the elongated hollow rectangular cylindrical structure wraps the two support ends on the insulating frame and is in turn supported by the two support ends to form a winding space in an interior of the elongated hollow rectangular structure;
wherein the stator core has a stator slot;
wherein a stator winding extends through the winding space along a primary axis
the insulating wrapping layer is positioned in a stator slot and runs through the stator slot; and
the insulating frame supports a corresponding insulating wrapping layer from one end of the stator slot.
10 . The motor stator according to claim 9 , further comprising a stator winding wound in the winding space; and
wherein the support ends are arranged between the stator winding and the stator core, at a predetermined distance between the stator winding and the stator core.