#$%^&*AU2015100418A420150507.pdf#####Design method for upper barrel for device to kill mosquitoes and/or flies Abstract The invention relates to a design method for the upper barrle suitable for the deivece to kill mosquitoes and/or flies. The method comprises providing a first external shell, a circuit controlling board, an actuator and a pillar； arranging a first and second electric motor with drive 5 mechanism, a first and second wire rewinding wheel to the actuator； vertically arranging each axis of the motors to each other； driving the middle barrel moving up and down by the rotation of the wheels in the upper barrel； mosquitoes and/or flies are attracted to the device when the middle barrel is drived to the top portion by the rotation of 10 the wheel, and pressed under water to be drown when the middle barrel is drived to the bottom portion by the rotation of the wheel, the killing course do not cause secondary pollution or threat to health.112 12 Fig.17 1-1 /1')
