Motor and dish washing machine with same

文档序号:1508095 发布日期:2020-02-07 浏览:6次 中文

阅读说明:本技术 电机及具有其的洗碗机 (Motor and dish washing machine with same ) 是由 王松 于 2018-07-27 设计创作,主要内容包括:本发明公开了一种电机及具有其的洗碗机,所述电机包括:壳体;支撑件,所述支撑件设于所述壳体内;定子,所述定子设于所述支撑件的外侧并由所述壳体的后罩进行限位,所述定子上绕设有定子绕组,且所述定子的端部形成有沿轴向凸出所述定子端面的若干端子,所述端子与所述定子绕组电连接;转子,所述转子可旋转地设在所述支撑件的内侧;PCB板,所述PCB板的表面形成有由导电材料件制成的印制电路,所述印制电路与所述端子电连接以传递电信号,所述PCB板被构造成适于将外部电源接入所述电机内以驱动所述电机运转。根据本发明的电机,通过PCB板与其他部件的配合,能够直接将外部电源接入电机内部以驱动电机工作,电连接相关件少,装配效率提高。(The invention discloses a motor and a dish washer with the same, wherein the motor comprises: a housing; the support piece is arranged in the shell; the stator is arranged on the outer side of the supporting piece and limited by the rear cover of the shell, a stator winding is wound on the stator, a plurality of terminals which axially protrude out of the end face of the stator are formed at the end part of the stator, and the terminals are electrically connected with the stator winding; a rotor rotatably provided inside the supporter; the PCB is formed with a printed circuit made of a conductive material piece on the surface, the printed circuit is electrically connected with the terminal to transmit electric signals, and the PCB is suitable for connecting an external power supply into the motor to drive the motor to run. According to the motor, the PCB is matched with other components, an external power supply can be directly connected into the motor to drive the motor to work, related parts for electric connection are few, and the assembly efficiency is improved.)

1. An electric machine, comprising:

a housing;

the support piece is arranged in the shell;

the stator is arranged on the outer side of the supporting piece and limited by the rear cover of the shell, a stator winding is wound on the stator, a plurality of terminals which axially protrude out of the end face of the stator are formed at the end part of the stator, and the terminals are electrically connected with the stator winding;

a rotor rotatably provided inside the supporter;

the PCB is formed with a printed circuit made of a conductive material piece on the surface, the printed circuit is electrically connected with the terminal to transmit electric signals, and the PCB is suitable for connecting an external power supply into the motor to drive the motor to run.

2. The electric machine of claim 1, wherein the PCB board comprises:

welding the part; and

the opposite insertion part is connected with the welding part and extends towards the direction far away from the welding part;

the printed circuit comprises a plurality of sections in one-to-one correspondence with the terminals, and each section of the printed circuit extends to the opposite insertion part from the welding part.

3. The electric machine of claim 2 wherein said solder has a through hole formed therethrough, said terminal being adapted to pass through said through hole to electrically connect to said solder.

4. The electric machine of claim 3, wherein the vias are electrically connected to the printed circuit.

5. The electric machine of claim 3, wherein the terminals are clearance fit with the vias and the circumferential clearance of the terminals and the vias is 0.01-0.5 mm.

6. The electric machine according to claim 2, wherein the welding portion is configured in an arc shape extending around a central axis of the rotor, the opposite insertion portions extend outward in a radial direction of the welding portion, and free ends of the opposite insertion portions are formed with guide portions.

7. An electric machine according to any of claims 1-6, characterized in that the side of the stator provided with the terminals is formed with a boss projecting axially from the end face of the stator, the terminals extending up to the upper surface of the boss, the PCB being adapted to be supported on the stator by means of the boss.

8. The electric machine of claim 7, wherein the stator is formed with a plurality of engaging portions arranged at intervals in a circumferential direction, at least a portion of the engaging portion is configured in an arc shape protruding from an end surface of the stator, and the engaging portion protrudes in a direction close to a central axis of the rotor, and the boss is provided between adjacent two of the engaging portions.

9. The electric machine of claim 2, wherein the back housing has formed thereon a mating interface structure adapted to mate with the mating socket, the external power source adapted to be electrically connected to the PCB board through the mating interface structure to transmit electrical signals.

10. A dishwasher, characterized by comprising an electric machine according to any one of claims 1-9.

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