Air pollution control system for kitchen units in indoor areas
Patent Information
- Authority / Receiving Office
- JP · JP
- Patent Type
- Patents
- Current Assignee / Owner
- MICROJET TECH
- Filing Date
- 2023-11-20
- Publication Date
- 2026-06-15
Smart Images

Figure 0007874082000001 
Figure 0007874082000002 
Figure 0007874082000003
Abstract
Claims
[Claim 1] An air pollution control system for kitchen units in indoor areas, The air pollution prevention control system includes cooking appliances, multiple negative pressure exhaust devices, multiple gas detectors, and a cloud computing service device. The aforementioned cooking appliance causes air pollution when cooking, The negative pressure exhaust device is installed in front of and above the cooking appliance, connected to an exhaust channel, and includes at least one fan and at least one filter element, the fan being controlled to generate negative pressure, and the air pollution generated by the cooking appliance being guided into the exhaust channel, filtered by the filter element, and discharged outside the room. The gas detector is positioned on the negative pressure exhaust device, detects the air pollution and outputs air pollution information, and receives a control command to activate the negative pressure exhaust device. The cloud computing service device, upon activation of the cooking appliance and commencement of cooking, receives the air pollution information detected by the plurality of gas detectors, stores the air pollution data in a database, performs artificial intelligence calculations based on the air pollution information in the database to determine the concentration of air pollution, generates and issues control commands based on the concentration of air pollution and transmits them to the plurality of negative pressure exhaust devices, thereby controlling the activation operation of the plurality of fans of the plurality of negative pressure exhaust devices, quickly directing the air pollution generated by the kitchen unit to the plurality of negative pressure exhaust devices, filtering and removing it by passing it through filter elements, and discharging it outside, thereby reducing the air pollution of the kitchen unit to a near-zero gaseous state, thus providing an air pollution prevention control system for kitchen units in an indoor area. [Claim 2] The air pollution control system for a kitchen unit in an indoor area according to claim 1, wherein the air pollution is one of the following: suspended particulate matter, carbon monoxide, carbon dioxide, ozone, sulfur dioxide, nitrogen dioxide, lead, total volatile organic compounds, formaldehyde, bacteria, fungi, viruses, or a combination thereof. [Claim 3] The air pollution data is the detected values of oil fumes, VOCs, and polycyclic aromatic hydrocarbons. When the air pollution data exceeds a set safety detection value for the air pollution data, the cloud computing service device transmits the control command to the plurality of negative pressure exhaust devices to start operation, controls the airflow and operating time of the fan startup operation according to the air pollution data, quickly guides the air pollution generated in the kitchen unit to the plurality of negative pressure exhaust devices and discharges it outside, and reduces the air pollution in the kitchen unit to a near-zero gaseous state, as described in claim 1, for the air pollution prevention control system for a kitchen unit in an indoor area. [Claim 4] The exhaust pollution prevention system for a kitchen unit in an indoor area according to claim 1, wherein the gas detector is built on the negative pressure exhaust device and electrically connected to the drive circuit of the fan of the negative pressure exhaust device, the gas detector receives a control command to adjust the airflow and operating time of the fan startup operation, a valve is provided between the exhaust channel and the outside, and the gas detector is controlled to open the valve at the same time as the fan startup operation is controlled by the gas detector in response to a control command. [Claim 5] The exhaust pollution prevention system for a kitchen unit in an indoor area according to claim 1, wherein the gas detector comprises a control circuit board, a gas detection unit, a microprocessor, and a communication device, the gas detection unit, the microprocessor, and the communication device are mounted on the control circuit board, integrated and electrically connected, the microprocessor controls the detection operation of the gas detection unit, the gas detection unit detects air pollution, the microprocessor controls the detection operation of the gas detection unit, the gas detection unit detects the air pollution and outputs the air pollution information, the microprocessor performs calculations and outputs it to an external communication device for provision. [Claim 6] The gas detection unit comprises a base, a piezoelectric actuator, a drive circuit board, a laser assembly, a particulate sensor, a gas sensor, and an outer cover. The aforementioned base is The first surface and, A second surface opposite the first surface, A laser installation area formed by cutting out from the first surface toward the second surface, An inlet groove formed recessed from the second surface and adjacent to the laser installation area, the inlet groove is provided with an inlet opening and a translucent window that penetrates two side walls and communicates with the laser installation area, A gas guide component mounting area is formed as a recess from the second surface, communicates with the air intake groove, and has a ventilation hole penetrating its bottom surface, The structure has an exhaust groove formed by recessing from a first surface corresponding to the bottom surface of the gas guide component mounting area, and the area of the first surface that does not correspond to the gas guide component mounting area is formed by hollowing out from the first surface toward the second surface, communicating with the ventilation hole, and an exhaust vent is provided, and the piezoelectric actuator is housed in the gas guide component mounting area. The drive circuit board includes a drive circuit board that is bonded to the second surface of the base, The laser assembly is positioned and electrically connected on the drive circuit board, housed in a laser installation area, and the path of the projected beam passes through the light-transmitting window and forms a direction perpendicular to the air intake groove. The particulate sensor is positioned and electrically connected on the drive circuit board, housed in a position corresponding to the direction perpendicular to the air intake groove and the beam path projected by the laser assembly, and detects particles contained in the air pollution by the beam passing through the air intake groove and irradiated from the laser assembly. The gas sensor is positioned and electrically connected on the drive circuit board, housed in the exhaust channel, and detects the air pollution introduced into the exhaust channel. The outer cover is an outer cover that covers the base and has side panels, the side panels are provided with an air intake opening and an exhaust opening, the air intake opening corresponds to the air intake vent of the base, and the exhaust opening corresponds to the exhaust vent of the base. The exhaust pollution prevention system for a kitchen unit in an indoor area according to claim 5, wherein the outer cover covers the base, the drive circuit board is bonded to the second surface, the inlet groove defines an inlet path, the exhaust groove defines an exhaust path, thereby driving a piezoelectric actuator, the air pollution outside the inlet vent of the base is guided to accelerate, enters the inlet path defined by the inlet groove from the inlet opening, passes through the particulate sensor, the particulate sensor detects the particle concentration of particulate matter contained in the air pollution, the air pollution is discharged from the vent into the exhaust path formed by the exhaust groove and detected by the gas sensor, and finally discharged from the exhaust vent of the base to the exhaust opening. [Claim 7] The exhaust pollution prevention system for a kitchen unit in an indoor area according to claim 6, wherein the particulate sensor detects information on suspended particulate matter, and the gas sensor includes a volatile organic compound sensor that detects gaseous information on carbon dioxide, polycyclic aromatic hydrocarbons, or total volatile organic compounds. [Claim 8] The air pollution control system for a kitchen unit in an indoor area according to claim 6, wherein the gas sensors include a formaldehyde sensor, a bacterial sensor, and a virus sensor, one of which or any combination thereof detects formaldehyde gas information, bacterial or fungal information, and virus gas information, respectively. [Claim 9] The air pollution control system for a kitchen unit in an indoor area according to claim 1, characterized in that the filter element is a high-performance filter that blocks and adheres to particles and removes them physically. [Claim 10] The air pollution control system for a kitchen unit in an indoor area according to claim 9, wherein the high-performance filter is coated with a decomposition layer for decomposing and removing air pollutants. [Claim 11] The air pollution control system for a kitchen unit in an indoor area according to claim 10, wherein the decomposition layer is one of activated carbon, a chlorine dioxide purification factor, a medicinal herb protective layer of ginkgo and Japanese holly, or any combination thereof. [Claim 12] The air pollution control system for a kitchen unit in an indoor area according to claim 10, wherein the decomposition layer is one of silver ions, zeolite, or any combination thereof. [Claim 13] The air pollution prevention control system for a kitchen unit in an indoor area according to claim 1, wherein the filter element removes air pollution in combination with a chemical method by light irradiation, and the light irradiation is one of a photocatalytic unit consisting of a photocatalyst and an ultraviolet lamp, and a nanolight tube light plasma unit, or any combination thereof. [Claim 14] The air pollution prevention control system for a kitchen unit in an indoor area according to claim 1, wherein the filter element chemically removes the air pollution in combination with a decomposition unit, and the decomposition unit is one of a negative ion unit and a plasma ion unit, or any combination thereof. [Claim 15] The cloud computing service device includes a wireless network cloud computing service module, a cloud control service unit, a device management unit, and an application unit. The wireless network cloud computing service module is for receiving the air pollution information of the kitchen unit, receiving communication information of at least one fan, and issuing control commands. The cloud control service unit receives the air pollution information of the kitchen unit in the indoor area transmitted from the wireless network cloud computing service module, stores the air pollution data in a database to form an air pollution database, performs artificial intelligence calculations, determines the air pollution concentration by comparing it with the air pollution data database, issues the control command and transmits it to the wireless network cloud computing service module, controls the startup operation of the fans of the multiple negative pressure exhaust devices via the wireless network cloud computing service module, opens the valves, and The device management unit receives communication information of the fan via the wireless network cloud computing service module, and uses the communication information to perform user login management and device binding management. The application unit displays and notifies the air pollution information acquired via the cloud control service unit. The air pollution control system for a kitchen unit in an indoor area according to claim 1, wherein the plurality of negative pressure exhaust devices are one of a range hood or an exhaust fan, or any combination thereof.