Security alarm device of ATM card reader draw -in groove

The utility model relates to a ATM safety technical field specifically is a security alarm device of ATM card reader draw -in groove, including the ATM main part, operation window has been offered to a side surface of ATM main part, this security alarm device of ATM card reader draw -in groove, there is the alarm device subassembly through the adoption at the corresponding lateral wall fixed mounting that the operation window of ATM main part is located the card reader draw -in groove, card reader draw -in groove to the ATM main part carries out safe warning, through adopting two infrared sensor switch to monitor the upper and lower surface of card reader draw -in groove, in case it shelters from the foreign object to appear, then control voice alarm device through infrared sensor switch, in time remind people through voice alarm device, and through the method that adopts mounting substrate to carry out external installation, can in time effectually popularize the use to current ATM main part, avoid changing