Method of filtering indoor air pollution

Patent metadata

Field	Value
Publication number	US-12013151-B2
Application number	US-202117546791-A
Country	US
Kind code	B2
Filing date	Dec 9, 2021
Priority date	Dec 21, 2020
Publication date	Jun 18, 2024
Grant date	Jun 18, 2024

Abstract

A method of filtering indoor air pollution for filtering air pollutant in an indoor space is disclosed. A plurality of gas processing devices is provided for detecting and filtering air pollutant, and transmitting device inner gas detection data. A connection device is provided for receiving and transmitting the device inner gas detection data to a cloud processing device. The cloud processing device intelligently compares and selects to drive a closest gas processing device to filter the air pollutant and drive the gas processing devices to determine a convection path and generate at least one airflow. The airflow accelerates the movement of the air pollutant along the convection path to move the air pollutant towards the closest processing device adjacent to the air pollutant for filtering, so that the air pollutant in the indoor space can be filtered rapidly to obtain a clean, safe and breathable air condition.

First claim

What is claimed is:

1. A method of filtering indoor air pollution for filtering air pollutant in an indoor space, comprising:
a) providing a plurality of gas processing devices, wherein the gas processing device comprises a gas detection module and a filter unit, the gas processing device is implemented for detecting air pollutant, the filter unit is for filtering the air pollutant, and the gas processing device transmits at least one device inner gas detection data and comprises a controlling circuit board, a gas detection main part, a microprocessor and a communicator, and the gas detection main part comprises:
a base comprising:
a first surface;
a second surface opposite to the first surface;
a laser loading region;
a gas-inlet groove disposed adjacent to the laser loading region, wherein the gas-inlet groove comprises two lateral walls, and a transparent window is opened on the two lateral walls and is in communication with the laser loading region;
a gas-guiding-component loading region in communication with the gas-inlet groove, wherein a ventilation hole penetrates a bottom surface of the gas-guiding-component loading region, and
a gas-outlet groove concavely formed from the first surface in a region spatially corresponding to the bottom surface of the gas-guiding-component loading region, and in communication with the ventilation hole;
a piezoelectric actuator accommodated in the gas-guiding-component loading region;
a laser component accommodated in the laser loading region, wherein a light beam path emitted from the laser component passes through the transparent window and extends in a direction perpendicular to the gas-inlet groove; and
a particulate sensor disposed at a position where the gas-inlet groove orthogonally intersects with the light beam path of the laser component, so as to detect the suspended particles contained in the air pollution passing through the gas-inlet groove and irradiated by a projecting light beam emitted from the laser component;
b) providing a connection device for receiving and transmitting the at least one device inner gas detection data to a cloud processing device, wherein the cloud processing device intelligently compares and selects to drive a closest gas processing device adjacent to the air pollutant, and determines convection paths for the air pollutant; and
c) intelligently selecting and controlling the plurality of gas processing devices driven by the cloud processing device and generating at least one airflow, so as to accelerate the movement of the air pollutant along the convection paths to move the air pollutant towards the closest gas processing device adjacent to the air pollutant for filtering, wherein the convection paths are in multiple directions instead of a single direction, so that the air pollutant in the indoor space can be filtered rapidly to obtain a clean, safe and breathable air condition.

2. The method of filtering indoor air pollution according to claim 1 , wherein the air pollutant is one selected from the group consisting of suspended particles, carbon monoxide, carbon dioxide, ozone, sulfur dioxide, nitrogen dioxide, lead, total volatile organic compounds (TVOC), formaldehyde, bacteria, fungi, virus and a combination thereof.

3. The method of filtering indoor air pollution according to claim 1 , wherein the cloud processing device receives the at least one device inner gas detection data, and the gas processing devices with the highest inner gas detection data is selected as the closest gas processing device to be driven, wherein the cloud processing device transmits a control instruction to the connection device, and the connection device transmits the control instruction to the closest gas processing device adjacent to the air pollutant to drive the closest gas processing device, so as to intelligently select and control the activation and operation time of the closest gas processing device adjacent to the air pollutant for implementing the air pollutant filtration.

4. The method of filtering indoor air pollution according to claim 3 , wherein after the cloud processing device intelligently compared the device inner gas detection data, the cloud processing device transmits the control instruction to the connection devices and intelligently selects and drives at least one of the gas processing devices to generate the at least one airflow according to the convection path for the air pollutant, so as to accelerate the movement of the air pollutant along the convection path to move the air pollutant towards the closest gas processing device adjacent to the air pollutant for filtering the air pollutant.

5. The method of filtering indoor air pollution according to claim 1 , wherein the gas detection main part, the microprocessor and the communicator are integrally packaged on the controlling circuit board and electrically connected to the controlling circuit board, wherein the microprocessor controls detection operations of the gas detection main part, the gas detection main part detects the air pollutant and outputs a detection signal to the microprocessor for calculating, processing and outputting the at least one device inner gas detection data to the communicator for transmitting the at least one device inner gas detection data externally through a wireless communication transmission.

6. The method of filtering indoor air pollution according to claim 5 , wherein the gas detection main part comprises:
the base comprising:
the laser loading region hollowed out from the first surface to the second surface;
the gas-inlet groove concavely formed from the second surface, wherein the gas-inlet groove comprises a gas-inlet, the gas-inlet is in communication with an environment outside the base;
the gas-guiding-component loading region concavely formed from the second surface, and
the gas-outlet groove hollowed out from the first surface to the second surface in a region where the first surface is not aligned with the gas-guiding-component loading region, wherein a gas-outlet is disposed in the gas-outlet groove and in communication with the environment outside the base;
the piezoelectric actuator guiding the air pollutant to be flowed in the gas-inlet groove;
a driving circuit board covering and attaching to the second surface of the base;
the laser component positioned on the driving circuit board electrically connected to the driving circuit board;
the particulate sensor positioned on the driving circuit board, electrically connected to the driving circuit board;
a gas sensor positioned on the driving circuit board, electrically connected to the driving circuit board, and accommodated in the gas-outlet groove, so as to detect the air pollutant introduced into the gas-outlet groove; and
an outer cover covering the base and comprising a side plate, wherein the side plate has an inlet opening and an outlet opening, the inlet opening is spatially corresponding to the gas-inlet, and the outlet opening is spatially corresponding to the gas-outlet;
wherein the outer cover covers the base, and the driving circuit board covers the second surface, so that an inlet path is defined by the gas-inlet groove, and an outlet path is defined by the gas-outlet groove, so that the air pollutant is inhaled from the environment outside the base by the piezoelectric actuator, transported into the inlet path defined by the gas-inlet groove through the inlet opening, and passes through the particulate sensor to detect the particle concentration of the suspended particles contained in the air pollutant, and the air pollutant is transported into the outlet path defined by the gas-outlet groove through the ventilation hole, passes through the gas sensor for detecting, and then discharged out of the gas detection main part through the outlet

Assignees

• Microjet Technology Co Ltd

Inventors

• Mou Hao-Jan
• Lin Ching-Sung
• Wu Chin-Chuan
• Han Yung-Lung
• Huang Chi-Feng
• Lin Tsung-I

Classifications

• F24F8/108

  using dry filter elements · CPC title

• F24F11/58

  using Internet communication · CPC title

• F24F2110/64

  Airborne particle content · CPC title

• F24F11/74

  for controlling air flow rate or air velocity · CPC title

• F24F11/63

  Electronic processing · CPC title