Environmentally friendly medical light breathing anti-smog mask

Abstract

The invention relates to an environmentally friendly medical light-breathing anti-smog mask, which comprises a mask body and an elastic band; the front wall of the mask body is made of a shaped mesh plate, an isolation layer is attached to the outer side of the shaped mesh plate, and the rear wall of the mask body is made of a breathing layer; the other sides of the mask body are sealed by an airtight material, and the isolation layer, the breathing layer and the airtight material form a closed purification chamber; a one-way exhaust valve is arranged on the breathing layer; a one-way inhalation valve is also arranged on the breathing layer; the shaped mesh plate is made of a memory metal material, and the bending curvature of the shaped mesh plate is different under low temperature and high temperature conditions; a heating wire is laid on the memory metal material, and the heating wire is powered by a power supply fixed on the mask body; a control switch is electrically connected between the power supply and the heating wire; the anti-smog mask has a novel and unique structure, can effectively improve the breathing smoothness of a human body when wearing the mask, ensure air cleanliness, and breathe without pressure at the same time.

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