Household earthquake alarm
The utility model discloses a household earthquake alarm, which is characterized in that a casing, a battery, a movable switch, an electric sounder, an LED lamp group, a level meter and a hand-operated switch are comprised, wherein the battery is arranged on one side of the casing and the movable sw...
Gespeichert in:
1. Verfasser: | |
---|---|
Format: | Patent |
Sprache: | chi ; eng |
Schlagworte: | |
Online-Zugang: | Volltext bestellen |
Tags: |
Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
|
Zusammenfassung: | The utility model discloses a household earthquake alarm, which is characterized in that a casing, a battery, a movable switch, an electric sounder, an LED lamp group, a level meter and a hand-operated switch are comprised, wherein the battery is arranged on one side of the casing and the movable switch is arranged on the other side of the casing; the electric sounder is arranged on the casing wall; and the LED lamp group is arranged on the casing wall and exposed outside. The movable switch, the hand-operated switch, the LED lamp group and the electric sounder are connected in series between the positive and negative poles of the battery. The utility model has the advantages of simple structure, low cost, and, easiness in manufacture and installation. A glass ball is arranged on a box cover with an arch-shaped surface, and is easy to roll to close the circuit under tiny vibration, so that high sensitivity is realized. In addition, the LED lamp group is arranged for emergency lighting, and the hand-operated s |
---|