High-efficiency air filter with real-time operation monitoring performance
By installing a differential pressure sampling tube and an operation controller in the high-efficiency air filter, the wind speed and air volume on the inlet and outlet sides can be monitored in real time. By using LED lights and wireless network early warning devices, the problem of not being able to detect performance in real time in the existing technology is solved, realizing real-time monitoring and maintenance of equipment status, reducing energy consumption and extending equipment life.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SUZHOU ANTAI AIR TECH CO LTD
- Filing Date
- 2025-05-30
- Publication Date
- 2026-05-15
AI Technical Summary
Existing high-efficiency air filters cannot monitor their performance in real time during use, leading to increased energy consumption, shortened equipment lifespan, and untimely maintenance. They are particularly difficult to detect sudden pollution problems in large industrial settings.
First and second differential pressure sampling tubes are installed in the high-efficiency air filter to measure the wind speed and air volume on the inlet and outlet sides, respectively. The measurements are compared by the operation controller, and LED lights and wireless network early warning devices are used to monitor and prompt maintenance in real time, so as to realize real-time detection and early warning of equipment status.
It enables real-time performance monitoring of high-efficiency air filters, reduces energy consumption, extends equipment life, improves equipment reliability and maintenance timeliness, and reduces operating costs.
Smart Images

Figure CN224236376U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to a high-efficiency air filter, and more particularly to a high-efficiency air filter with real-time operation monitoring capabilities. Background Technology
[0002] High-efficiency particulate air (HEPA / ULPA) filters are widely used in cleanrooms, medical facilities, and industrial applications. Their core function relies on the filter media's ability to trap particulate matter. However, traditional technologies have the following drawbacks in their application:
[0003] 1. Defects of passive maintenance
[0004] Users can only understand and grasp the compliance of purification equipment and the performance and status of high-efficiency air filters through sensory perception and detection of overall air supply speed (air volume). These behaviors are all passive and reactive.
[0005] 2. Potential energy efficiency loss
[0006] Operating a fan in a blocked state for an extended period will increase energy consumption by more than 40%, accelerate motor insulation aging, and shorten its service life.
[0007] 3. Limitations of manual inspection
[0008] In large industrial settings where hundreds or thousands of devices operate simultaneously (such as multiple self-cleaning units in a cleanroom), relying on visual inspection or periodic replacement strategies is insufficient to detect sudden contamination (such as abnormal dust generated by equipment malfunctions) and may also result in wasted filter media lifespan.
[0009] As mentioned above, there is an urgent need in this field for a high-efficiency air filtration device that can detect equipment operating performance in real time and provide timely warnings, in order to improve its working performance and effective service life, and reduce energy consumption and operating costs. Summary of the Invention
[0010] The purpose of this invention is to provide a high-efficiency air filter with real-time monitoring capabilities. Through structural improvements, it can detect the operating performance of the equipment in real time and perform timely maintenance, thereby extending its effective service life and reducing energy consumption and operating costs.
[0011] To achieve the above objectives, the technical solution adopted by this utility model is: a high-efficiency air filter with real-time monitoring performance, including an outer frame, a filter element and a filter element protective mesh plate, a first differential pressure sampling tube and a second differential pressure sampling tube, and an operation controller. The first differential pressure sampling tube is disposed on the air inlet side, and the second differential pressure sampling tube is disposed on the air outlet side. The detection data of the two tubes are transmitted to the operation controller. The operation controller is equipped with a comparator and an early warning device. When the difference between the data collected by the first and second differential pressure sampling tubes exceeds a preset range, the early warning device will display an alarm.
[0012] In the above technical solution, the early warning device includes an LED light and a positioning substrate. The LED light is fixed to the filter element protection mesh plate through the positioning substrate and connected to the operation controller through a lead wire.
[0013] In the above technical solution, the early warning device includes a wired or wireless network signal transmitter, which sends an early warning signal to the terminal controller via a wired cable or a wireless signal from a cellular data network, Bluetooth, or Wi-Fi.
[0014] In the above technical solution, the operation controller is mounted on the outer frame. The first differential pressure sampling tube and the second differential pressure sampling tube extend inward from one side of the operation controller to the filter element, respectively measuring the relative pressure difference between the air inlet side and the air outlet side of the filter element and transmitting it to the operation controller. The real-time differential pressure value S is obtained by numerical calculation through the comparator. The real-time differential pressure value S is compared with a preset differential pressure threshold range to determine whether it exceeds the preset range.
[0015] In the above technical solution, the operation controller is equipped with a timer to set the sampling interval time. The adjacent sampling time of the first differential pressure sampling tube and the second differential pressure sampling tube is determined by the sampling interval time of the timer.
[0016] In the above technical solution, the operation controller is connected to an external power supply line, the power supply terminal of the LED light in the warning device is connected to the operation controller, and the LED light is set on the metal filter element protection mesh plate on the air outlet side.
[0017] In the above technical solution, the operation controller is equipped with a display device. The first differential pressure sampling tube and the second differential pressure sampling tube collect signals and transmit them to the operation controller, and the display device displays the values. The displayed values are transmitted to the terminal controller via a wired or wireless network.
[0018] Due to the application of the above technical solution, this utility model has the following advantages compared with the prior art:
[0019] 1. In this utility model, differential pressure sampling tubes are set on the air inlet and outlet sides of the filter element to measure the air velocity (air volume) on both sides. The operation controller compares and calculates the differential pressure values on both sides to determine whether they are within the preset differential pressure threshold range. If they exceed the threshold, an early warning device is activated to remind the inspector to perform timely maintenance and repair, thereby avoiding deviations in environmental cleanliness and reducing the energy consumption of the cleanroom equipment.
[0020] 2. Using LED lights as part of the early warning signal, the presence or absence of LED lights or color changes serve as the signal. Especially in environments where hundreds or thousands of devices are used simultaneously, this can provide the most intuitive way to alert inspectors, allowing them to locate and resolve problematic devices in a timely manner.
[0021] 3. This utility model has a simple structure and is easy to implement. Attached Figure Description
[0022] Figure 1 This is a structural schematic diagram of an embodiment of the present utility model;
[0023] Figure 2 It is to remove Figure 1 A structural diagram of one side of the outer frame;
[0024] Figure 3 yes Figure 1 A top-down view;
[0025] Figure 4 yes Figure 3 Enlarged AA cross-sectional view;
[0026] Figure 5 yes Figure 4 A magnified view of a portion of the image;
[0027] Figure 6 This is a usage state diagram of an embodiment of this utility model.
[0028] The components include: 1. Outer frame; 2. Filter element; 3. Filter element protective mesh plate; 4. First differential pressure sampling tube; 5. Second differential pressure sampling tube; 6. Operation controller; 7. Air inlet side; 8. Air outlet side; 9. LED light; 10. Positioning substrate. Detailed Implementation
[0029] The following description is merely a preferred embodiment of the present invention and is not intended to limit the scope of the present invention. Furthermore, the terms "vertical," "horizontal," "top," "bottom," "front," "rear," "upper," "lower," "inner," and "outer" used in the embodiments of the present invention indicate orientation or positional relationships based on the appendix. Figure 1The orientations or positional relationships shown, or the orientations or positional relationships in which the product is usually placed during use, are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. The following will refer to the appendix... Figure 1-6 The present invention will be described in detail with reference to the embodiments.
[0030] Example: See Figures 1-6 As shown, a high-efficiency air filter with real-time monitoring performance includes an outer frame 1, a filter element 2, and a filter element protection mesh plate 3. The filter element 2 is set inside the outer frame 1, and the filter element protection mesh plates 3 are respectively set on the upper and lower sides for positioning the filter element 2, and can also be regarded as air guide plates or flow equalization plates.
[0031] It also includes a first differential pressure sampling tube 4 and a second differential pressure sampling tube 5, as well as an operation controller 6. The first differential pressure sampling tube 4 is located on the air inlet side 7 and collects the wind speed (air volume) T1 at the air inlet 7. The second differential pressure sampling tube 5 is located on the air outlet side 8 and collects the wind speed (air volume) T2 at the air outlet side 8. The detection data of both are transmitted to the operation controller 6. The operation controller 6 is equipped with a comparator and an early warning device. When the difference between the data collected by the first and second differential pressure sampling tubes exceeds a preset range, the early warning device will display an alarm.
[0032] The warning device includes an LED light 9 and a positioning substrate 10. The LED light 9 is fixed to the filter element protection mesh plate 3 via the positioning substrate 10 and connected to the operation controller 6 via a lead wire. The operation controller 6 is connected to an external power supply line, and the power supply terminal of the LED light 9 is connected to the operation controller 6. The LED light 9 is mounted on the metal filter element protection mesh plate 3 on the air outlet side 8 via a diamond-shaped PC sheet. The LED light 9 can be a single-color light or a dual-color light. When it is a single-color light, it is normally closed and only lights up when there is an abnormal pressure difference. When it is a dual-color light, it is normally green and turns red when an abnormality occurs, making it easier for inspectors to identify.
[0033] The early warning device includes a wireless network signal transmitter that sends early warning signals to the terminal controller via Bluetooth or Wi-Fi. Besides the option of illuminating nine LED lights, it can also transmit abnormal signals to the terminal monitoring center via the network, issuing an alarm signal. The terminal monitoring center can be a regional monitoring room or a communication device for monitoring personnel, via SMS or an app notification.
[0034] The operation controller 6 is mounted on the outer frame 1. The first differential pressure sampling tube 4 and the second differential pressure sampling tube 5 extend inward from one side of the operation controller 6 to the filter element 2, respectively. Figure 1 ,5 As shown, the airflow (T1, T2) on the inlet side 7 and outlet side 8 of the filter element 2 are measured respectively and transmitted to the operation controller 6. The comparator (differential pressure calculator) performs numerical calculations to obtain the real-time differential pressure value S (S = T1 - T2). The real-time differential pressure value S is compared with a preset differential pressure threshold range to determine whether it exceeds the preset range. If it exceeds the preset range, a warning signal is triggered.
[0035] The operation controller 6 is equipped with a display device (screen), such as... Figure 1 , 6 As shown, the first differential pressure sampling tube 4 and the second differential pressure sampling tube 5 collect signals and transmit them to the operation controller 6, and display the values through the display device; the displayed values are transmitted to the terminal controller via a wired or wireless network.
[0036] The operation controller 6 is equipped with a timer to set the sampling interval. The adjacent sampling time of the first differential pressure sampling tube 4 and the second differential pressure sampling tube 5 is determined by the sampling interval of the timer. The sampling frequency is adjustable and can be adjusted according to actual environmental requirements.
[0037] Operating procedure: The operation controller 6 operates under external power. The first and second differential pressure sampling tubes collect the differential pressure across the filter, converting it into a digital signal. This signal is transmitted via network to the terminal monitoring center and displayed on the operation controller 6 as the filter's real-time differential pressure value. The operation controller 6 simultaneously supplies power to the LED 9 on the filter's outlet side 8, illuminating it. When the differential pressure across the filter is within the normal operating range, LED 9 indicates a green value. When the differential pressure exceeds the preset normal operating range, LED 9 indicates a red value as a warning. At this time, the differential pressure alarm from the operation controller is also transmitted via network to the terminal controller and displayed on the local controller.
[0038] When thousands of purification filter devices (such as multiple self-cleaning devices in a cleanroom) are running simultaneously, the operating status of the equipment can be monitored automatically in real time. When personnel conduct visual inspections, they can quickly determine whether the equipment is normal or not simply by observing the color of the LED at the air outlet.
[0039] If a single filter unit is operating, a single-color LED light 9 can be used. Observing whether the LED light 9 is lit can determine whether the equipment is operating normally.
[0040] Although embodiments of the present invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the claims and their equivalents.
Claims
1. A high-efficiency air filter with real-time operation monitoring capabilities, comprising an outer frame, a filter element, and a filter element protective mesh plate, characterized in that: It also includes a first differential pressure sampling tube and a second differential pressure sampling tube, as well as an operation controller. The first differential pressure sampling tube is located on the air inlet side, and the second differential pressure sampling tube is located on the air outlet side. The detection data of the two tubes are transmitted to the operation controller. The operation controller is equipped with a comparator and an early warning device. When the difference between the data collected by the first and second differential pressure sampling tubes exceeds a preset range, the early warning device will display an alarm.
2. The high-efficiency air filter with real-time operation monitoring performance according to claim 1, characterized in that: The warning device includes an LED light and a positioning substrate. The LED light is fixed to the filter element protection mesh plate by the positioning substrate and is connected to the operation controller by a lead wire.
3. The high-efficiency air filter with real-time operation monitoring performance according to claim 1 or 2, characterized in that: The warning device includes a wired or wireless network signal transmitter, which sends a warning signal to the terminal controller via a wired cable or a wireless signal from a cellular data network, Bluetooth, or Wi-Fi.
4. The high-efficiency air filter with real-time operation monitoring performance according to claim 1, characterized in that: The operation controller is mounted on the outer frame. The first differential pressure sampling tube and the second differential pressure sampling tube extend inward from one side of the operation controller to the filter element, respectively measuring the relative pressure difference between the air inlet side and the air outlet side of the filter element and transmitting it to the operation controller. The real-time differential pressure value S is obtained by numerical calculation through the comparator. The real-time differential pressure value S is compared with a preset differential pressure threshold range to determine whether it exceeds the preset range.
5. The high-efficiency air filter with real-time operation monitoring performance according to claim 1 or 4, characterized in that: The operation controller is equipped with a timer to set the sampling interval time. The adjacent sampling time of the first differential pressure sampling tube and the second differential pressure sampling tube is determined by the sampling interval time of the timer.
6. The high-efficiency air filter with real-time operation monitoring performance according to claim 1, characterized in that: The operation controller is connected to an external power supply cable, and the power supply terminal of the LED light in the warning device is connected to the operation controller. The LED light is set on the metal filter element protection mesh plate on the air outlet side.
7. The high-efficiency air filter with real-time operation monitoring performance according to claim 1, characterized in that: The operation controller is equipped with a display device. The first differential pressure sampling tube and the second differential pressure sampling tube collect signals and transmit them to the operation controller, and the display device displays the values. The displayed values are transmitted to the terminal controller via a wired or wireless network.