Method of preventing and handling indoor air pollution

Patent metadata

Field	Value
Publication number	US-12019003-B2
Application number	US-202117401734-A
Country	US
Kind code	B2
Filing date	Aug 13, 2021
Priority date	Oct 16, 2020
Publication date	Jun 25, 2024
Grant date	Jun 25, 2024

Abstract

A method of preventing and handling indoor air pollution is disclosed and includes: providing a portable gas detection device to monitor the air quality in the indoor environment; disposing 1˜75 gas exchangers within the indoor space to inhale outdoor gas, purify and filter the inhaled gas, and introduce the inhaled gas into the indoor space; and remotely controlling the gas exchangers to enable filtration, purification and gas exchange procedure by the portable gas detection device when the portable gas detection device detects an air pollutant in the indoor space, to reduce the air pollutant in the indoor space under a safe detection value within 1 minute, and form a breathable gas, and the air pollutant in the gas in the indoor space is exchanged and exported out to outdoor environment, the gas exchangers have an exported airflow rate of 200˜1600 CADR, and the indoor space has a volume of 16.5˜247.5 m3.

First claim

What is claimed is:

1. A method of preventing and handling indoor air pollution for an indoor space, comprising:
a) providing a portable gas detection device and a plurality of gas exchangers for implementing in the indoor space, wherein the plurality of gas exchangers are allowed to inhale outdoor gas, purify and filter the inhaled gas, and introduce the inhaled gas into the indoor space, wherein an air pollutant in the indoor space is exchanged and exported out to the outdoor environment;
b) disposing 1˜75 gas exchangers within the indoor space, wherein the gas exchangers have an exported airflow rate ranged from 200 clean air output ration (CADR) to 1600 CADR, and the indoor space has a volume of 16.5˜247.5 m 3 ; and
c) remotely controlling at least one of the gas exchangers to enable filtration, purification and gas exchange procedure by the portable gas detection device, as the portable gas detection device detects an air pollutant in the indoor space in real time, to reduce the air pollutant in the gas in the indoor space to a safe detection value within 1 minute, so that the air pollutant in the indoor space can be exchanged to obtain a clean, safe and breathable gas.

2. The method of preventing and handling indoor air pollution according to claim 1 , wherein the safe detection value is selected from the group consisting of PM2.5 less than 10 μg/m 3 , carbon dioxide content less than 1000 ppm, total volatile organic compounds (TVOC) less than 0.56 ppm, formaldehyde content less than 0.08 ppm, the amount of bacteria less than 1500 CFU/m 3 , the amount of fungi less than 1000 CFU/m 3 and a combination thereof.

3. The method of preventing and handling indoor air pollution according to claim 1 , wherein the exported airflow rate of the gas exchanger is 800 CADR, the volume of the indoor space is ranged from 16.5 to 247.5 m 3 , and 1˜19 gas exchangers are disposed in the indoor space.

4. The method of preventing and handling indoor air pollution according to claim 1 , wherein the air pollutant in the indoor space is one selected from the group consisting of PM1, PM2.5, PM10, carbon dioxide, TVOC, formaldehyde, bacteria, virus and a combination thereof.

5. The method of preventing and handling indoor air pollution according to claim 1 , wherein the portable gas detection device comprises a main body having at least one inlet, at least one outlet and a gas detection module, the gas detection module comprises a piezoelectric actuator and at least one sensor, and the gas outside the main body is introduced by the piezoelectric actuator, so that the gas is inhaled through the at least one inlet, discharged out through the at least one outlet, and introduced into the sensor for detecting and obtaining gas information.

6. The method of preventing and handling indoor air pollution according to claim 5 , wherein the sensor of the gas detection module comprises a volatile organic compound sensor for detecting and obtaining the gas information of CO 2 or TVOC.

7. The method of preventing and handling indoor air pollution according to claim 5 , wherein the sensor of the gas detection module comprises a formaldehyde sensor for detecting and obtaining the gas information of formaldehyde.

8. The method of preventing and handling indoor air pollution according to claim 5 , wherein the sensor of the gas detection module comprises a particulate sensor for detecting and obtaining the gas information of PM1, PM2.5 or PM10.

9. The method of preventing and handling indoor air pollution according to claim 5 , wherein the sensor of the gas detection module comprises a pathogenic bacteria sensor for detecting and obtaining the gas information of bacteria or pathogenic bacteria.

10. The method of preventing and handling indoor air pollution according to claim 5 , wherein the portable gas detection device further comprises a controlling circuit unit with a microprocessor and a communicator disposed thereon, and the gas detection module is electrically connected to the controlling circuit unit, wherein the microprocessor controls a driving signal of the gas detection module to enable the detecting operation, and convert a detection datum of the gas detection module into detection information for storing, wherein the communicator receives the detection information outputted by the microprocessor and externally transmits the detection information to the gas exchangers through a communication transmission, so as to control an actuation of the gas exchangers and adjust the exported airflow rate of the gas exchangers.

11. The method of preventing and handling indoor air pollution according to claim 5 , wherein the portable gas detection device further comprises a controlling circuit unit with a microprocessor and a communicator disposed thereon, and the gas detection module is electrically connected to the controlling circuit unit, wherein the microprocessor controls a driving signal of the gas detection module to enable the detecting operation, and convert a detection datum of the gas detection module into detection information for storing, wherein the communicator receives the detection information outputted by the microprocessor and externally transmits the detection information to an external device for storing, so that the external device generates a gas detection information and an alarm, and the external device controls an actuation of the gas exchangers and adjusts the exported airflow rate of the gas exchangers.

12. The method of preventing and handling indoor air pollution according to claim 11 , wherein the external device is a portable mobile device.

13. The method of preventing and handling indoor air pollution according to claim 1 , wherein the gas exchanger comprises a gas-inlet channel, a gas-outlet channel, a purification unit and a remote-control driving device.

14. The method of preventing and handling indoor air pollution according to claim 13 , wherein the gas exchanger further comprises at least one gas guider, wherein when the remote-control driving device receives a signal that the portable gas detection device detects the air pollutant in the indoor space, a control signal is received, so that the gas is inhaled from the outdoor environment into the gas exchanger through the gas guider, transported through the gas inlet channel, purified and filtered by the purification unit, and then introduced into the indoor space, and the air pollutant in the indoor space is exported out to the outdoor environment through the gas-outlet channel.

15. The method of preventing and handling indoor air pollution according to claim 13 , wherein the gas exchanger further comprises a plurality of gas guiders, and the plurality of gas guiders comprises a gas-inlet guider and a gas-outlet guider, wherein when the remote-control driving device receives a signal that the portable gas detection device detects the air pollutant in the indoor space, a control signal is received, so that the gas is inhaled from the outdoor environment into the gas exchanger through the gas-inlet guider, transported through the gas inlet channel, purified and filtered by the purification unit, and then introduced into the indoor space, and the air pollutant in the indoor space is exported out to the outdoor environment through the gas-outlet channel by the gas-outlet guider.

16. The method of preventing and handling indoor air pollution according to claim 13 , wherein the gas exchanger further comprises an air-conditioner, wherein when the remote-control driving device receives a signal that the portable gas detection device detects the air pollutant in the indoor spac

Assignees

• Microjet Technology Co Ltd

Inventors

• Mou Hao-Jan
• Lin Ching-Sung
• Wu Chin-Chuan
• Huang Chi-Feng
• Han Yung-Lung
• Tsai Chang-Yen
• Lee Wei-Ming

Classifications

• B01D2279/50

  for air conditioning · CPC title

• B01D2239/0492

  on fibres · CPC title

• B01D2239/0442

  Antimicrobial, antibacterial, antifungal additives · CPC title

• B01D2258/06

  Polluted air · CPC title

• B01D2257/91

  Bacteria; Microorganisms · CPC title