AC motor

Abstract

The invention relates to an alternating current motor, which comprises a rotor, a stator and an end cover. The stator consists of a stator core laminated by a laminated sheet and a winding, wherein the laminated sheet is square and corresponds to a square open groove structure of which four corners are concave, two ends of the stator core are provided with press frames, a position where the press frame corresponds to an open groove of the laminated sheet is provided with a groove, lacing wires are arranged in the open groove and the corresponding groove, and the lacing wires are fixedly connected with the laminated sheet and the press frame; and a position on the laminated sheet adjacent to the open groove is separated into a plurality of closed vents through bent radiating ribs, positions of the vents of the adjacent laminated sheets correspond and form a ventilation passage, the press frame is also provided with a through hole, the outside of the press frame is connected with the end cover, and the ventilation passage is communicated with the end cover through the through hole of the press frame. The laminated sheet is provided with the vent and is separated through the bent radiating ribs relative to linear radiating ribs, so the alternating current motor enlarges radiating area, improves radiating effect, reduces temperature rise of the stator winding, reduces eddy loss, and improves heat-conducting property.

Description

(1) Technical field [0001] The invention relates to an AC motor, in particular to an AC motor whose stator iron core is composed of laminations. (2) Background technology [0002] The current general AC motor includes an organic base, an end cover, a stator and a rotor built into the base, such as figure 1 As shown, in order to dissipate heat, heat sinks must also be provided on the machine base. This kind of AC motor with traditional structure must be equipped with a machine base with heat sinks. There are many raw materials and high manufacturing costs; it is bulky, takes up a lot of space, and is not easy to transport; The loss is large, the temperature of the stator winding rises, and the thermal conductivity is poor, which poses uncertain safety hazards to the operation of the motor. (3) Contents of the invention [0003] In order to overcome the above shortcomings of the AC motor, the present invention provides an AC motor that does not need to be equipped with a fr...

AI Technical Summary

Problems solved by technology

[0002] The current general AC motor includes an organic base, an end cover, a stator and a rotor built into the base, such as figure 1 As shown, in order to dissipate heat, heat sinks must also be provided on the machine base. This kind of AC motor with traditional structure must be equipped with a machine base with heat sinks. There are many raw materials and high manufacturing costs; it is bulky, takes up a lot of space, and is not easy to transport; The loss is large, the temperature of the stator winding rises, and the thermal conductivity is poor, which poses uncertain safety hazards to the operation of the motor

Images