| 摘要 |
1. Electrical device for water leak detection, specified by the assembly of : a) a flexible and thin sheet (1) of damp-proof and waterproof material b) a coat (2) of hydrolytic substance layed on the mentioned sheet (1) c) two thin and flexible metallic sheets (3) layed in a parallel direction on substance (2) ; the two mentioned metallic sheets being separated by a short distance, each metallic sheet (3) having at least one contact plug (6) which can be connected with a conducter wire (7) d) a signalisation and/or alarm system which is connected to the wires (7) by a power source, the assembly arrangement being such that water coming from an accidental leak reachs the mentioned hydrolytic substance which separates, becomes conducive, closes the electrical circuit formed by the mentioned metallic sheets (3) and the electric wires (7) and releases the mentioned signalisation and/or alarm system.
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