Fire alarm device
A fire alarm and shell technology, applied in the direction of electric fire alarms, etc., can solve the problems of high impact force and damage of the sounding board, so as to improve the sound quality, ensure the safety of life, and improve the effect of sounding
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[0023] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0024] An embodiment of the present invention provides a fire alarm device, such as Figure 1-3 As shown, the housing 1 is included, and the controller 2 is fixedly installed on one side of the housing 1. The top of the housing 1 is provided with three through holes 25, and the three through holes 25 are equidistantly distributed on the top of the housing 1. The through holes 25 have lifting The effect of sound transmission makes the sound louder. There are ch...
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