| 摘要 |
The smoke detection device including an area and fittings for a battery is provided within a hollow oblong/rectangular shaped ventilated case 1,the said case has attached to each of the four corners via fixings 2 a tightly wound tension device 3, each of the tension devices 3 is then connected to a pilot hole 5 located on the corner sleeve 6 via a s-shaped fixing 4. The hollow oblong/rectangular shaped ventilated case 1 also has ventilation holes 7 on three sides (left, right and bottom) of the amount required to allow smoke to reach and activate the detection device. Conveniently situated on the top of the hollow oblong/rectangular shaped ventilated case 1 is provided a test switch 10 and a on/off switch 9 of the push, slide, toggle or rocker type also provided is an access panel 11 of the slide or screw fixed type for easy battery change. Each of the four corner sleeves 6 are then attached to each of the corresponding corners of an average size photo/picture frame securing both smoke detection device and photo/picture frame together, they are then secured to the wall via a mechanism 8 of a type required to perform such a task in the same manner as a conventional photo/picture might. |
