Multifunctional portable air quality monitor

Abstract

A majority of detection devices for detecting quality of indoor air, in particular toxic gas, are specialized instruments at present. These specialized instruments are expensive in price, inconvenient for carrying, not suitable for use of occasions with specific requirements or residential houses, and have no generality. On the other hand, a few apparatuses are gradually eliminated to cause waste of designs and resources due to single function. Owing to the above factors, a multifunctional portable air quality monitor based on an AVR (Automatic Voltage Regulator) single chip is designed. The monitor can provide two modes to monitor indoor gas concentration according to different requirements besides monitoring and detecting indoor temperature and humidity, alarm when the gas concentration is overproof (as to toxic gas or combustible gas) or lower than the standard (as to normal gas or gas required in special occasions), and prompt the user to pay attention to ventilating or detect air condition in the environment. In addition, the monitor has expansibility, so that the user can install various different gas sensors according to requirement, and set the sensor parameters according to an explanation of the apparatus and the monitor automatically identifies a new sensor. The monitor can be used for monitoring various different gases (in particular, toxic gas or flammable gas) because of the expansibility, and is suitable for various different occasions such as living rooms, workshops, mines, outdoors and the like.

Description

technical field [0001] The invention designs a portable air quality monitor, which can effectively monitor and detect indoor air quality, enhance people's awareness of prevention of harmful gases, and protect people's health. On the basis of real-time monitoring of indoor temperature and humidity, the monitor can simultaneously detect the concentration of formaldehyde and give an alarm when the concentration of formaldehyde exceeds the standard, prompting the user to take measures. At the same time, the monitor provides an expandable sensor interface, so that it can detect many other gases under the condition of only replacing the sensor, which greatly improves the scope of application of the instrument. At the same time, the monitor has a number of innovative environmental protection functions in terms of intelligent backlight adjustment and battery power management. Background technique [0002] Air quality is closely related to people's health, especially the air quality...

AI Technical Summary

Problems solved by technology

[0003] However, after investigation, we found that most of the detection devices that can detect indoor air quality, especially the concentration of toxic gases, are professional instruments, which are expensive, not universal, and inconvenient to carry. They are not suitable for home environments or when there are specific needs. use on occasion

These instruments usually can only detect a specific gas, and when other types of gases need to be detected, people have to buy other instruments, and they can only provide the function of detecting gases. Waste, and this type of instrument has no obvious prompt or alarm when the gas exceeds or falls below the standard, so it cannot intelligently remind the user to take corresponding measures

[0004] To sum up, for the air quality detection problem, the existing detection devices have low practical value and do not have wide applicability, versatility, and scalability

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