Anti-interference circuit of touch key, touch control equipment and intelligent door lock
The utility model relates to the technical field of touch control equipment, in particular to an anti-interference circuit of a touch key, touch control equipment and an intelligent door lock, the circuit comprises a plurality of key bonding pads, a plurality of touch channels and a touch chip, one...
Gespeichert in:
Hauptverfasser: | , , , , , |
---|---|
Format: | Patent |
Sprache: | chi ; eng |
Schlagworte: | |
Online-Zugang: | Volltext bestellen |
Tags: |
Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
|
Zusammenfassung: | The utility model relates to the technical field of touch control equipment, in particular to an anti-interference circuit of a touch key, touch control equipment and an intelligent door lock, the circuit comprises a plurality of key bonding pads, a plurality of touch channels and a touch chip, one end of each touch channel is connected with one key bonding pad, and the other end of each touch channel is connected with one touch pin of the touch chip; the plurality of touch channels are in one-to-one correspondence with the plurality of key bonding pads, and a detection pin of a detection circuit of the touch chip is grounded through a filter capacitor. According to the circuit, a pin channel of a touch chip is independently connected with a filter capacitor to serve as a common filter channel of all touch channels, so that the effects that the complexity of the touch key circuit is greatly reduced, the circuit board of the touch key is simple and concise in design, the anti-interference capability of the tou |
---|