Detachable modular window opener capable of automatically opening window in case of power failure

The utility model discloses a detachable modular power-off automatic window opener which comprises an installation shell, a first gear set and a second gear set are arranged in the installation shell, a tripping gear set is arranged between the first gear set and the second gear set, and the tripping gear set is used for achieving transmission connection of the first gear set and the second gear set. The motor is fixed in the mounting shell, and the output end of the motor is connected with an input gear of the second gear set; the electromagnetic pull-in module is mounted outside the mounting shell, the electromagnetic pull-in module is detachably connected with the mounting shell, and the electromagnetic pull-in module is in electromagnetic pull-in connection with the tripping gear set; the control module is mounted in the mounting shell, and the control module is electrically connected with the motor and the electromagnetic suction module; and one end of the chain is connected into the mounting shell, and