Efficient air filter capable of regulating and controlling air volume
By using a design that combines a pressure sensor and an alarm with a variable resistance switch in the air filter, the problem of insufficient real-time monitoring of the air filter status is solved, achieving efficient air filter status monitoring and airflow regulation, and improving the practicality and flexibility of the air filter.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-17
- Publication Date
- 2026-04-10
AI Technical Summary
Existing air filters lack real-time monitoring of filtration status, making it impossible to clean and replace the filter structure in a timely manner, thus their practicality needs to be improved.
The system uses a first and a second air pressure sensor to monitor the gas pressure at both ends of the high-efficiency air filter in real time. An alarm is triggered when the difference exceeds the set range. Combined with a variable resistor switch to adjust the speed of the intake fan to regulate the air volume, the system achieves real-time monitoring of the filtration status and flexible control of the air volume.
It enables real-time status monitoring of high-efficiency air filters, providing timely reminders for replacement or cleaning, thus improving the functionality and flexibility of air filters and ensuring efficient air filtration and airflow regulation.
Smart Images

Figure CN224108322U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to air filter technical field especially is related to a kind of high-efficiency air filter of adjustable air volume. BACKGROUND
[0002] Air filter is the key equipment to protect indoor air health. Its working principle is not complex, mainly through high-efficiency filter screen, using interception, adsorption and other mechanisms, dust, pollen, bacteria, viruses and harmful gases and other pollutants in the air are blocked outside, so as to achieve the purpose of air purification. In daily life, air filter has wide application. Whether in family, create fresh and comfortable living environment for family members; Or in office, improve the work efficiency and health level of staff; Or in medical, electronic and other industries with high requirements for air quality, ensure the smooth progress of production and treatment.
[0003] The existing air filter has the problems of real-time monitoring of the filtering state of the internal filtering structure, and the filtering structure cannot be cleaned and replaced in time, so the practicability needs to be improved. UTILITY MODEL CONTENT
[0004] The utility model aims at providing a kind of high-efficiency air filter of adjustable air volume can monitor the filtering state of internal filtering structure in real time, and the practicability is strong.
[0005] To achieve the above object, the utility model provides the following technical scheme:
[0006] A kind of high-efficiency air filter of adjustable air volume, including filter box, high-efficiency air filter core is installed in the inside of the filter box, two installation holes are provided on the upper surface of the filter box, and the inside of two installation holes is respectively fixedly installed with first air pressure sensor and second air pressure sensor, first air pressure sensor and second air pressure sensor are distributed at the position of the two ends of high-efficiency air filter core.
[0007] By adopting the above technical scheme, the filtering state of high-efficiency air filter core can be monitored in real time, and the practicability is strong.
[0008] Further, alarm is fixedly installed on the upper surface of the filter box, and first air pressure sensor and second air pressure sensor are electrically connected with alarm.
[0009] By adopting the above technical scheme, data can be processed using alarm, and alarm operation is carried out when exceeding the set range.
[0010] Further, suction fan is fixedly installed at one end of the filter box, and dustproof end cover is coveredly installed at the other end of the filter box.
[0011] By adopting the technical scheme, the air can pass through the inside of the filter box in an orderly manner.
[0012] Further, the filter box is externally provided with a variable resistance switch, which is electrically connected with the air suction fan, and a display screen is arranged on the outer surface of the variable resistance switch.
[0013] By adopting the technical scheme, the rotation speed of the air suction fan can be adjusted.
[0014] Further, the filter box is internally fixedly connected with two inner limiting frames, and the high-efficiency air filter element is clamped and fixed between the two inner limiting frames.
[0015] By adopting the technical scheme, the high-efficiency air filter element can be fixed and limited.
[0016] Further, a material replacement window is arranged on the lower surface of the filter box, and a cover plate is installed at the material replacement window and corresponds to the position of the high-efficiency air filter element.
[0017] By adopting the technical scheme, the material replacement window can be effectively controlled.
[0018] In summary, the beneficial technical effects of the utility model are as follows:
[0019] 1. The utility model can filter the air to be filtered by the high-efficiency air filter element during use, and the first air pressure sensor and the second air pressure sensor are used to monitor the gas pressure at the two ends of the high-efficiency air filter element in real time, and the detected data is transmitted to the alarm in real time, the alarm calculates the difference between the two data, when the difference exceeds the set range, it indicates that the gas passing rate of the high-efficiency air filter element is poor at this time, and then it indicates that a large amount of dust is attached to the high-efficiency air filter element, the alarm gives an alarm sound, reminding the staff to replace or clean the high-efficiency air filter element, the air filter has a high-efficiency air filter element state monitoring structure and function, and is high in functionality and practicality.
[0020] 2. The utility model can adjust the resistance value in the air suction fan power supply circuit by using the variable resistance switch during use, thereby effectively adjusting the rotation speed of the air suction fan, so that the air volume of the whole air filter can be adjusted, and the use flexibility is high. DRAWINGS
[0021] Figure 1 It is a first perspective view of the utility model;
[0022] Figure 2 It is a second perspective view of the utility model;
[0023] Figure 3The utility model discloses an internal structure diagram.
[0024] In the drawing: 1, filter box, 2, suction fan, 3, first air pressure sensor, 4, alarm, 5, second air pressure sensor, 6, dustproof end cover, 7, variable resistance switch, 8, cover plate, 9, high -efficient air filter element, 10, inner limit frame, 11, display screen. Specific implementation
[0025] The utility model method makes further detailed explanation below combining the drawings.
[0026] Refer to Figure 1 、 Figure 3 A kind of high-efficiency air filter of adjustable air volume, including filter box 1, high-efficiency air filter element 9 is installed in the inside of filter box 1, two mounting holes are provided on the upper surface of filter box 1, and first air pressure sensor 3 (BME280) and second air pressure sensor 5 (BME280) are respectively fixedly installed in the inside of two mounting holes, first air pressure sensor 3 and second air pressure sensor 5 are distributed at the both ends position of high-efficiency air filter element 9, alarm 4 is fixedly installed on the upper surface of filter box 1, first air pressure sensor 3 and second air pressure sensor 5 are electrically connected with alarm 4, wherein can filter the air to be filtered using high-efficiency air filter element 9 in the process of using, while using first air pressure sensor 3 and second air pressure sensor 5 to monitor the gas pressure at the both ends of high-efficiency air filter element 9 in real time, and the detected data is transmitted to alarm 4 in real time, alarm 4 carries out difference to two data, when difference exceeds the range set, then surface gas passing rate of high-efficiency air filter element 9 is poor at this time, and then indicate that a large amount of dust is attached on high-efficiency air filter element 9, alarm 4 sends alarm sound, reminds staff to replace or clean high-efficiency air filter element 9, the air filter has high-efficiency air filter element 9 state monitoring structure and function, and is strong in functionality, and strong in practicality.
[0027] Refer to Figure 1 、 Figure 2 One end of filter box 1 is fixedly installed with suction fan 2, dustproof end cover 6 is covered and installed at the other end of filter box 1, variable resistance switch 7 is provided outside filter box 1, variable resistance switch 7 is electrically connected with suction fan 2, display screen 11 is provided on the outer surface of variable resistance switch 7, wherein can adjust resistance value in the power supply circuit of suction fan 2 using variable resistance switch 7 in the process of using, and then the rotating speed of suction fan 2 can be effectively adjusted, so that the air volume of the whole air filter can be adjusted, and the use flexibility is high.
[0028] Refer to Figure 2 、 Figure 3The inside of the filter box 1 is fixedly connected with two inner limiting frames 10, and the high-efficiency air filter core 9 is clamped and fixed between the two inner limiting frames 10, a refueling window is arranged on the lower surface of the filter box 1, and the refueling window is provided with a cover plate 8, and the cover plate 8 corresponds to the position of the high-efficiency air filter core 9, wherein the two inner limiting frames 10 can be used for limiting and fixing the high-efficiency air filter core 9, and then the cover plate 8 is used for controlling the refueling window, and the high-efficiency air filter core 9 can be ensured to be in a stable state during work.
[0029] Working principle: in use, first, the air filter is installed at the specified position, then the variable resistance switch 7 is used to close the working circuit of the suction fan 2, so that the suction fan 2 starts to rotate, at this time, the rotating suction fan 2 can make the external air enter the inside of the filter box 1 through the dustproof end cover 6, and then pass through the high-efficiency air filter core 9, and then pass through the suction fan 2 and be discharged, in the process of use, the variable resistance switch 7 is used to adjust the resistance value in the power supply circuit of the suction fan 2, thereby the rotating speed of the suction fan 2 can be effectively adjusted, so that the air volume of the entire air filter can be adjusted, at the same time, the high-efficiency air filter core 9 is used for filtering the air to be filtered, and the first air pressure sensor 3 and the second air pressure sensor 5 are used to monitor the gas pressure at both ends of the high-efficiency air filter core 9 in real time, and the detected data is transmitted to the alarm 4 in real time, the alarm 4 calculates the difference between the two data, when the difference exceeds the set range, it indicates that the gas passing rate of the high-efficiency air filter core 9 is poor at this time, thereby indicating that a large amount of dust is attached to the high-efficiency air filter core 9, the alarm 4 gives an alarm sound, reminding the worker to replace or clean the high-efficiency air filter core 9, at this time, the cover plate 8 can be opened, then the high-efficiency air filter core 9 is pulled out from the refueling window of the filter box 1, and a new high-efficiency air filter core 9 is installed.
[0030] The real-time examples of the specific embodiment are the preferred examples of the utility model, and do not limit the protection scope of the utility model, so that: equivalent changes made according to the structure, shape and principle of the utility model should be covered in the protection scope of the utility model.
Claims
1. A high efficiency particulate air filter with adjustable air flow, comprising a filter box (1), characterized in that: The inside of the filter box (1) is internally provided with a high-efficiency air filter element (9), the upper surface of the filter box (1) is provided with two mounting holes, and the inside of the two mounting holes is respectively fixedly provided with a first air pressure sensor (3) and a second air pressure sensor (5), and the first air pressure sensor (3) and the second air pressure sensor (5) are distributed at both ends of the high-efficiency air filter element (9).
2. The high efficiency air filter with controllable air flow volume according to claim 1, wherein: The upper surface of the filter box (1) is fixedly provided with an alarm (4), and the first air pressure sensor (3) and the second air pressure sensor (5) are electrically connected with the alarm (4).
3. The high efficiency air filter with controllable air flow volume according to claim 1, wherein: One end of the filter box (1) is fixedly provided with an air suction fan (2), and the other end of the filter box (1) is coveringly provided with a dustproof end cover (6).
4. The high efficiency air filter with controllable air flow volume according to claim 3, wherein: The outside of the filter box (1) is provided with a variable resistance switch (7), the variable resistance switch (7) is electrically connected with the air suction fan (2), and the outer surface of the variable resistance switch (7) is provided with a display screen (11).
5. The high efficiency air filter with controllable air flow volume of claim 1, wherein: The inside of the filter box (1) is fixedly connected with two inner limiting frames (10), and the high-efficiency air filter element (9) is clamped and fixed between the two inner limiting frames (10).
6. The high efficiency air filter with controllable air flow of claim 5, wherein: The lower surface of the filter box (1) is provided with a replacement window, and the replacement window is provided with a cover plate (8), and the cover plate (8) corresponds to the position of the high-efficiency air filter element (9).