Self-cleaning air sampling alarm device and working method thereof
A technology of air sampling and alarm device, which is applied in cleaning methods and utensils, cleaning hollow objects, and fire alarms relying on smoke/gas effects, etc. It can solve the delay of fire alarm and detection, and the automatic purging function without sampling pipe network , Sampling hole clogging and other problems
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[0037] 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.
[0038] like Figure 1-3 As shown, the self-cleaning air sampling alarm device of this embodiment includes a valve assembly 1, a fan assembly 2, a base 3, a driving motor 4, a valve group coupling 5 and an MCU controller integrated on a PCB board, The fan assembly 2 is connected to one end of the valve assembly 1 through the valve group coupling 5, and the other end of the valve assembly 1 is provided with a plug 8. The fan assembly 2 is used to provide a sampl...
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