Positive pressure type air purification system and method for limited space

Abstract

The invention relates to a positive pressure type air purification system and method for a limited space, by constructing a relatively closed space and adopting an efficient multi-stage filtering technology, the system can quickly remove particulate matters, bacteria, viruses and harmful gases in air, and the air quality in the limited space is remarkably improved. The positive pressure control method ensures that external polluted air cannot enter, and the cleanliness of the working environment is further guaranteed. The intelligent control system achieves remote monitoring and automatic adjustment through the Internet of Things technology, the response speed and operation convenience of the system are improved, real-time data analysis and trend reports are provided, and a user is helped to better manage and maintain the system. In addition, proper working conditions are ensured through the temperature and humidity adjusting function, and therefore a healthy, safe and efficient working environment is provided for workers. According to the invention, the working conditions with strict requirements on the air cleanliness are met, and the user experience and the reliability of the system are greatly improved.

Description

Technical Field

[0001] The present invention belongs to the technical field of air purification, and in particular to a positive pressure air purification system and method for a limited space. Background Art

[0002] In some small and closed spaces (such as tunnels and work shafts), the air quality is often poor due to poor ventilation and external pollution. This not only poses a threat to the health of workers, but may also make it impossible to carry out certain work that has strict requirements on air cleanliness. For example, in the installation of precision electronic equipment, the production of cable accessories, or certain special process, a highly clean air environment is required. Existing air purification equipment is usually unable to effectively respond to the needs of such special environments, especially in quickly creating and maintaining a clean working space in a short period of time. Therefore, it is necessary to develop an air purification system that can quickly create and maintain a clean working environment to meet these working conditions with high cleanliness requirements. Summary of the invention

[0003] The purpose of the present invention is to overcome the shortcomings of the prior art and propose a positive pressure air purification system and method for limited space, which ensures the cleanliness and safety of the air in the working area by constructing a relatively sealed working area and using efficient air filtration technology and positive pressure control methods. The system also integrates functions such as intelligent control, advanced filtration technology, environmental control, portability and flexibility, safety and reliability, and user-friendliness to improve overall performance and user experience.

[0004] The present invention solves the technical problem by adopting the following technical solutions:

[0005] A positive pressure air purification system for a confined space comprises a confined space, an air circulation and filtration system, a pressure control system, a power supply and a control system, wherein the air circulation and filtration system, the pressure control system, the power supply and the control system are installed in the confined space, the power supply is respectively connected to the air circulation and filtration system and the pressure control system control system for power supply, the air circulation and filtration system is used to filter the air, the pressure control system is used to detect the pressure inside and outside the confined space, and the control system is used to control the air circulation and filtration system according to the data detected by the pressure control system.

[0006] Moreover, the enclosed space is formed by wrapping the required working environment with plastic film material, forming a relatively enclosed space; and using double-sided tape or special sealing tape to fix the edge of the film to ensure that the seams are well sealed. At the same time, for openings such as doors and windows, openable curtains are made and closed with magnetic strips or hooks and loops.

[0007] Moreover, the air circulation and filtration system includes an air inlet, a fan, a multi-stage filter and an air outlet, wherein the air inlet, the fan, the multi-stage filter and the air outlet are connected in sequence, the air inlet is arranged outside the enclosed space for introducing external air; the fan is used to inhale air from the air inlet and send it into the enclosed space; the multi-stage filter is used to remove particulate matter, harmful gases and odors; the air outlet is used to send filtered clean air into the enclosed space through the air outlet.

[0008] Moreover, the multi-stage filter includes a primary filter, a HEPA filter and an activated carbon layer.

[0009] Moreover, the pressure control system includes a pressure sensor alarm system, wherein the pressure sensor and the alarm system are respectively connected to the control system, and the pressure sensors are respectively inside and outside the enclosed space for monitoring the pressure difference between inside and outside; the alarm system is used to sound an alarm when an abnormal situation is detected.

[0010] Furthermore, the control system is used to receive data from the pressure sensor and automatically adjust the fan speed to maintain a constant positive pressure state.

[0011] Moreover, the air circulation and filtering system and the pressure control system are controlled by a wireless connection system.

[0012] A purification method for a positive pressure air purification system in a limited space, comprising the following steps:

[0013] Step 1: The pressure control system detects the pressure inside and outside the confined space and sends the data to the control system;

[0014] Step 2: The control system receives data from the pressure sensor and sends an instruction to the air circulation and filtration system to automatically adjust the fan speed to maintain a constant positive pressure state;

[0015] Step 3: The air circulation and filtration system performs air filtration according to the instructions.

[0016] The advantages and positive effects of the present invention are:

[0017] By constructing a relatively closed space and adopting efficient multi-stage filtration technology (including a primary filter, a HEPA filter and an activated carbon layer), the present invention can quickly remove particulate matter, bacteria, viruses and harmful gases in the air, and significantly improve the air quality in a limited space. The positive pressure control method ensures that external polluted air cannot enter, further ensuring the cleanliness of the working environment. The intelligent control system realizes remote monitoring and automatic adjustment through the Internet of Things technology, which not only improves the response speed and operational convenience of the system, but also provides real-time data analysis and trend reports to help users better manage and maintain the system. In addition, the temperature and humidity adjustment function ensures suitable working conditions, thereby providing a healthy, safe and efficient working environment for staff. In general, the present invention not only meets the working conditions with strict requirements on air cleanliness, but also greatly improves the user experience and the reliability of the system. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a structural diagram of the system of the present invention;

[0019] Figure 2 This is a structural diagram of the air circulation and filtration system of the present invention. DETAILED DESCRIPTION

[0020] The present invention is further described in detail below with reference to the accompanying drawings.

[0021] A positive pressure air purification system and method for a limited space, such as Figure 1 As shown, it includes a confined space, an air circulation and filtration system, a pressure control system, a power supply and a control system, wherein the air circulation and filtration system, the pressure control system, the power supply and the control system are installed in the confined space, the power supply is respectively connected to the air circulation and filtration system and the pressure control system control system for power supply, the air circulation and filtration system is used to filter the air, the pressure control system is used to detect the pressure inside and outside the confined space, and the control system is used to control the air circulation and filtration system according to the data detected by the pressure control system.

[0022] The enclosed space is formed by wrapping the required working environment with plastic film material; and the edge of the film is fixed with double-sided tape or special sealing tape to ensure that the seams are well sealed. At the same time, for openings such as doors and windows, openable curtains are made and closed with magnetic strips or hooks and loops.

[0023] The air circulation and filtration system includes an air inlet, a fan, a multi-stage filter and an air outlet, wherein the air inlet, the fan or blower, the multi-stage filter and the air outlet are connected in sequence, the air inlet is arranged outside the enclosed space to introduce external air; the fan or blower is used to inhale air from the air inlet and send it into the enclosed space; the multi-stage filter is used to remove particulate matter, harmful gases and odors; the air outlet is used to send filtered clean air into the enclosed space through the air outlet. The multi-stage filter includes a primary filter, a HEPA filter and an activated carbon layer.

[0024] The multi-stage filter of the present invention also includes photocatalytic oxidation, plasma generator and electrostatic dust removal.

[0025] Photocatalytic oxidation uses UV-C light and photocatalysts to decompose organic pollutants. A photocatalytic oxidation device is installed in the air intake duct, and the photocatalyst is illuminated by a UV-C light source to decompose organic pollutants in the air.

[0026] Plasma generators are used to generate plasma to kill bacteria and viruses. Plasma generators are installed in the air intake duct to kill bacteria and viruses in the air by generating plasma.

[0027] Electrostatic dust removal uses electrostatic fields to capture tiny particles. Installing an electrostatic dust removal device in the air intake duct captures tiny particles through the electrostatic field, further improving the filtering effect.

[0028] The pressure control system includes a pressure sensor alarm system, in which the pressure sensor and the alarm system are respectively connected to the control system, and the pressure sensors are respectively inside and outside the confined space for monitoring the pressure difference between the inside and outside; the alarm system is used to sound an alarm when an abnormal situation is detected.

[0029] The pressure control system of the present invention also includes temperature and humidity control and CO2 monitoring.

[0030] Temperature and humidity control uses integrated heating / cooling devices and humidification / dehumidification systems to maintain a suitable working environment. By installing temperature sensors and humidity sensors, the indoor temperature and humidity are monitored. The heating / cooling devices and humidification / dehumidification systems are automatically adjusted according to the sensor data to keep the indoor temperature and humidity within the set range.

[0031] CO2 monitoring is used to monitor CO2 concentration and ensure air freshness. By installing a CO2 sensor, the indoor CO2 concentration is monitored in real time. When the CO2 concentration exceeds the set value, the system will automatically increase the fresh air volume to ensure air freshness.

[0032] The control system is used to receive data from the pressure sensor and automatically adjust the fan speed to maintain a constant positive pressure state.

[0033] The air circulation and filtration system and the pressure control system are controlled by wireless connection, including Wi-Fi or Bluetooth connection, to achieve remote monitoring and control.

[0034] The present invention installs a wireless module (such as a Wi-Fi or Bluetooth module) and connects it to a control system. At the same time, a matching mobile application is developed, and users can remotely monitor and control the air purification system through a mobile phone or tablet. The air purification system automatically adjusts the fan speed, filter intensity and pressure level according to the sensor data; and automatically adjusts the fan speed and the working state of the filter device according to the data of the pressure sensor and the air quality sensor.

[0035] A purification method for a positive pressure air purification system in a limited space, comprising the following steps:

[0036] Step 1: The pressure control system detects the pressure inside and outside the confined space and sends the data to the control system;

[0037] Step 2: The control system receives data from the pressure sensor and sends an instruction to the air circulation and filtration system to automatically adjust the fan speed to maintain a constant positive pressure state;

[0038] Step 3: The air circulation and filtration system performs air filtration according to the instructions.

[0039] By constructing a relatively closed space and adopting efficient multi-stage filtration technology (including a primary filter, a HEPA filter and an activated carbon layer), the present invention can quickly remove particulate matter, bacteria, viruses and harmful gases in the air, and significantly improve the air quality in a limited space. The positive pressure control method ensures that external polluted air cannot enter, further ensuring the cleanliness of the working environment. The intelligent control system realizes remote monitoring and automatic adjustment through the Internet of Things technology, which not only improves the response speed and operational convenience of the system, but also provides real-time data analysis and trend reports to help users better manage and maintain the system. In addition, the temperature and humidity adjustment function ensures suitable working conditions, thereby providing a healthy, safe and efficient working environment for staff. In general, the present invention not only meets the working conditions with strict requirements on air cleanliness, but also greatly improves the user experience and the reliability of the system.

[0040] It should be emphasized that the embodiments described in the present invention are illustrative rather than restrictive. Therefore, the present invention includes but is not limited to the embodiments described in the specific implementation manner. Any other implementation manners derived by those skilled in the art based on the technical solution of the present invention also fall within the scope of protection of the present invention.

Claims

1. A positive pressure air purification system for a limited space, characterized in that: It includes a confined space, an air circulation and filtration system, a pressure control system, a power supply and a control system, wherein the air circulation and filtration system, the pressure control system, the power supply and the control system are installed in the confined space, the power supply is respectively connected to the air circulation and filtration system and the pressure control system control system for power supply, the air circulation and filtration system is used to filter the air, the pressure control system is used to detect the pressure inside and outside the confined space, and the control system is used to control the air circulation and filtration system according to the data detected by the pressure control system.

2. A positive pressure air purification system for a limited space according to claim 1, characterized in that: The enclosed space is formed by wrapping the required working environment with plastic film material, and fixing the edge of the film with double-sided tape or special sealing tape to ensure that the joints are well sealed. At the same time, for openings such as doors and windows, openable curtains are made and closed with magnetic strips or hooks and loops.

3. A positive pressure air purification system for a limited space according to claim 1, characterized in that: The air circulation and filtration system includes an air inlet, a fan, a multi-stage filter and an air outlet, wherein the air inlet, the fan, the multi-stage filter and the air outlet are connected in sequence, the air inlet is arranged outside the enclosed space for introducing external air; the fan is used to inhale air from the air inlet and send it into the enclosed space; the multi-stage filter is used to remove particulate matter, harmful gases and odors; the air outlet is used to send filtered clean air into the enclosed space through the air outlet.

4. A positive pressure air purification system for a limited space according to claim 3, characterized in that: The multi-stage filter comprises a primary filter, a HEPA filter and an activated carbon layer.

5. A positive pressure air purification system for a limited space according to claim 1, characterized in that: The pressure control system includes a pressure sensor alarm system, wherein the pressure sensor and the alarm system are respectively connected to the control system, and the pressure sensors are respectively inside and outside the enclosed space for monitoring the pressure difference between the inside and outside; the alarm system is used to sound an alarm when an abnormal situation is detected.

6. A positive pressure air purification system for a limited space according to claim 1, characterized in that: The control system is used to receive data from the pressure sensor and automatically adjust the fan speed to maintain a constant positive pressure state.

7. A positive pressure air purification system for a limited space according to claim 1, characterized in that: The air circulation and filtering system and the pressure control system are controlled by a wireless connection system.

8. A purification method for a positive pressure air purification system for a limited space according to any one of claims 1 to 7, characterized in that: The following steps are involved: Step 1: The pressure control system detects the pressure inside and outside the confined space and sends the data to the control system; Step 2: The control system receives data from the pressure sensor and sends an instruction to the air circulation and filtration system to automatically adjust the fan speed to maintain a constant positive pressure state; Step 3: The air circulation and filtration system performs air filtration according to the instructions.

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