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Mask-based breathing apparatus and control method

A mask and controller technology, applied in respiratory protection devices, respiratory masks, respiratory protection containers, etc., can solve the problems of inconvenient opening, increased mask cost, space occupation, etc.

Active Publication Date: 2021-07-06
KONINKLJIJKE PHILIPS NV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The switch adds cost to the mask, takes up space, and is inconvenient to turn on

Method used

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  • Mask-based breathing apparatus and control method
  • Mask-based breathing apparatus and control method
  • Mask-based breathing apparatus and control method

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Embodiment Construction

[0053]The present invention provides an auxiliary breathing mask. In one aspect, a pressure monitoring system is implemented. The speed of the fan is used to export pressure or detect the pressure variation in the mask air chamber coupled to the fan. This avoids a separate pressure sensor. The pressure across the mask is used to determine if the mask is worn. On the other hand, the signal generated by the fan motor is detected and used to turn on the fan, which is generated by the mechanical movement caused by the user's breathing when the fan is closed.

[0054] The present invention will be described below with reference to a breathing mask system having two different detection functions. The first detection function (which constitutes the basis of the present invention) provides pressure monitoring and using the pressure monitoring to detect whether the mask is worn, and in particular the conversion from being worn to not worn. The second detection function is able to detect th...

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Abstract

The invention provides an auxiliary breathing mask. In one aspect, a signal generated by the fan motor resulting from the mechanical movement of the fan caused by the user's breath while the fan is off is detected and used to turn on the fan. In another aspect, a pressure monitoring system is implemented. The rotational speed of the fan is used to derive pressure or detect pressure changes in a mask air chamber coupled to the fan. This avoids the need for a separate pressure sensor and uses the pressure across the mask to determine if the mask is being worn.

Description

Technical field [0001] The present invention relates to a breathing apparatus in the form of a mask, which provides a filtered air to the wearer of the breathing device, wherein the fan-assisted airflow flows. Background technique [0002] The World Health Organization (WHO) is estimated that 4 million people die each year from air pollution. Part of this issue is the city's outdoor air quality. The worst of these is a Indian city like Delhi, and its annual contamination exceeds 10 times the proposed level. It is well known that Beijing's annual average pollution level is 8.5 times that of the recommended safety level. However, even in European cities like London, Paris and Berlin, this level is higher than the level of WHO recommendations. [0003] Since this problem does not have significant improvement in a short time, the only way to solve this problem is to wear masks that can provide cleaner air. In order to improve comfort and effect, one or two fans can be added to the ma...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A62B7/10A62B9/06A62B9/00
CPCA62B7/10A62B9/00A62B9/06A62B18/006
Inventor P·范德斯勒伊斯
Owner KONINKLJIJKE PHILIPS NV