Position arrival switch assembly and automatic cleaning apparatus

An automatic cleaning apparatus, comprising a position arrival switch assembly configured to determine whether the automatic cleaning apparatus is to return to a predetermined position of a pile body, and the position arrival switch assembly comprises:

• a switch component;
• a button, configured to move toward the switch component under an action of an external force;
• an elastic arm, extending in a direction away from the button from a face of the button that faces the switch component;
• and
• a switch trigger piece, connected to an end of the elastic arm away from the button,
• wherein the switch component is configured to send a position arrival signal in response to being triggered by the switch trigger piece.

A method, comprising:

• providing a position arrival switch assembly configured for use with an automatic cleaning apparatus, the position arrival switch assembly being configured to determine whether the automatic cleaning apparatus is to return to a predetermined position of a pile body,
• wherein the position arrival switch assembly comprises:
• a switch component;
• a button configured to move toward the switch component under an action of an external force;
• an elastic arm extending in a direction away from the button from a face of the button that faces the switch component;
• and a switch trigger piece connected to an end of the elastic arm away from the button, wherein the switch component is configured to send a position arrival signal in response to being triggered by the switch trigger piece.