Air conditioning mask

Abstract

In a mask (100), ambient air is filtered by a disposable surgical mask (180) to form breathable air. The mask (100) has a frame (150) having a cavity (151) therein for storing breathable air for a user to breathe. A temperature conditioning unit (110) mounted to the frame (150) provides air conditioning of the breathable air by drawing the breathable air from the cavity (151) to a heat exchanger (425) using a fan (421), the heat exchanger (425) being in contact with the thermoelectric module (410) to transfer heat to the outside of the frame (150) by a thermoelectric effect to cool the drawn breathable air and condense water vapor therein. The condensed water vapor is trapped by a heat exchanger (425). Cool, dry, breathable air is released back to the chamber (151), providing thermal comfort to the user during breathing. A heat sink (432) in contact with the thermoelectric module (410) is used together with the fan (431), thereby efficiently dissipating heat from the thermoelectric module (410) to the outside of the frame (150).

Description

[0001] Cross References to Related Applications [0002] This application claims priority to and benefit from U.S. Provisional Patent Application No. 63 / 198,121, filed September 30, 2020, the disclosure of which is incorporated herein by reference in its entirety. [0003] Acronym [0004] 3D three-dimensional [0005] AC air-conditioned [0006] AH absolute humidity [0007] AT apparent temperature [0008] COVID-19 coronavirus 2019 [0009] HF Humidity Sense [0010] HP Humidity Preference [0011] OC overall comfort [0012] PCM phase change material [0013] PLA polylactic acid [0014] PPE personal protective equipment [0015] TP thermal preference [0016] TSV Hot Vote technical field [0017] The present invention relates to a mask for providing air conditioning. Background technique [0018] PPE is widely used as a means of infection control in healthcare settings. Respiratory PPE, such as filtering facepiece respirators and surgical masks (also known...

AI Technical Summary

Problems solved by technology

However, the duration of the cooling function of the PCM is limited and it requires cooling after each use

Also, it is not cost-effective as such masks should normally be disposable if used against a virus such as COVID-19

[0022] The use of the above mask is not suitable, it does not take into account the wearer's actual environmental and personal conditions of heat and moisture management, and presents challenges in cooling the wearer in extreme heat and humidity environments

In addition, the above-mentioned masks cannot cool the wearer in extremely hot and humid environments such as Hong Kong, especially in summer

In disposable mode, they are very expensive to use against viruses such as COVID-19

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