Bacteriostatic air filter element module

By setting an antibacterial module housing structure on the air outlet side of the wavy filter element, the antibacterial effect is achieved by using airflow to drive volatile substances. This solves the problem of multiple filters affecting airflow and achieves a combination of efficient antibacterial effect and stable airflow.

CN224184076UActive Publication Date: 2026-05-01WEN XINCHUN TECHNOLOGY (SUZHOU) CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
WEN XINCHUN TECHNOLOGY (SUZHOU) CO LTD
Filing Date
2025-03-24
Publication Date
2026-05-01

AI Technical Summary

Technical Problem

Adding multiple filters to existing antibacterial filter cartridges can affect airflow, making it difficult to maintain efficient air circulation while ensuring antibacterial effects.

Method used

An antibacterial module housing structure is set on the air outlet side of the corrugated filter, and the module is filled with antibacterial volatiles. The airflow carries the volatiles to produce an antibacterial effect in the air conditioning circulation system, avoiding comprehensive filtration of the entire flow section.

Benefits of technology

It achieves a highly efficient antibacterial effect while having almost no impact on airflow, ensuring the stable operation of the air conditioning system, and is easy to replace modules, reducing operating costs.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224184076U_ABST
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Abstract

The utility model discloses a bacteriostatic air filter element module, which comprises a wave-shaped filter screen and a frame, a support belt is connected between adjacent folding surfaces of the wave-shaped filter screen, the support belt is positioned on the air outlet side of the wave-shaped filter screen, a bacteriostatic module is arranged in a space formed by the support belt and the folding surfaces, and the bacteriostatic module is connected with the frame. The antibacterial module comprises a module shell, and the module shell is filled with antibacterial volatile matter. According to the utility model, the bacteriostatic action of the air filter element on air is realized, and meanwhile, the influence on air flow is small.
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Description

Technical Field

[0001] This utility model relates to an air filter module, belonging to the field of gas filtration technology. Background Technology

[0002] Car cabin air filters and air purifier filters typically consist of multi-folded filter screens and frames. Traditionally, filters primarily rely on their filtration properties to block foreign particles and dust, thus purifying the air. However, as people's demands for air quality have increased, simple filtration is no longer sufficient. This is especially true for car cabin air filters. During vehicle use, the use of heating and cooling air conditioning, as well as the switching between internal and external air circulation, makes it easy for bacteria to grow in the air ducts. Therefore, air filters with antibacterial properties are more effective in improving air quality.

[0003] The existing filter cartridges with antibacterial effects mainly adopt the solution of adding multiple filters to the filter cartridge structure, including HEPA filters, silver ion antibacterial filters, photocatalytic filters, etc. The addition of these filters will affect the airflow. Utility Model Content

[0004] To address the shortcomings of the existing technology, this utility model provides an antibacterial air filter module, which solves the problem of adding antibacterial functional filters affecting airflow and realizes the antibacterial effect of the air filter on the air.

[0005] The technical solution of this utility model is as follows: an antibacterial air filter module, including a wavy filter screen and a frame, an antibacterial module housing structure is provided between adjacent folded surfaces of the wavy filter screen, the antibacterial module housing structure is located on the air outlet side of the wavy filter screen, an antibacterial module is provided inside the antibacterial module housing structure, the antibacterial module includes a module shell, and the module shell is filled with antibacterial volatiles.

[0006] Furthermore, in order to prevent the antibacterial air filter module used in the vehicle from slipping off the filter element while the vehicle is in motion, one end of the antibacterial module housing structure has a shielding surface, and the outer side of the module housing is provided with barbs with pointed ends facing away from the shielding surface.

[0007] Furthermore, the antibacterial module housing structure includes adjacent folded surfaces of the corrugated filter and a support strip connecting the adjacent folded surfaces.

[0008] Furthermore, the support strip has a V-shaped structure, and the two sides of the V-shaped structure are respectively connected to the adjacent folds of the wavy filter screen.

[0009] Furthermore, the support strip is made of non-woven fabric.

[0010] Furthermore, the surface of the module housing is provided with a direction indicator mark, the direction of which is opposite to the direction of the tip of the barb.

[0011] Furthermore, the module housing is cylindrical.

[0012] Furthermore, the antibacterial module and the antibacterial module housing structure are detachable.

[0013] Compared with the prior art, the advantages of the technical solution provided by this utility model are as follows:

[0014] This invention features an antibacterial module between adjacent folds on the air outlet side of a corrugated filter. This module contains antibacterial volatiles. By utilizing the airflow through the filter core to carry the antibacterial volatiles emitted by the module, the volatiles circulate within the air conditioning system, producing an antibacterial effect. Compared to traditional filters that achieve antibacterial effects by filtering the entire flow cross-section, this invention eliminates the need for filtration across the entire flow cross-section. By leveraging airflow to carry the antibacterial volatiles, it efficiently generates an antibacterial effect within the air conditioning system. The airflow through the filter core remains almost unaffected, allowing the air conditioner to maintain consistently efficient and stable operation. This approach ensures both excellent antibacterial performance and energy conservation while maintaining efficient airflow.

[0015] In addition, this invention makes minimal changes to the filter element structure, making it easy to manufacture and process. The separable antibacterial module can be replaced after the antibacterial volatiles have completely failed, making full use of the service life of the corrugated filter and reducing operating costs. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the air outlet side structure of the antibacterial air filter module in an embodiment.

[0017] Figure 2 This is a schematic diagram of the air intake side structure of the antibacterial air filter module in an embodiment.

[0018] Figure 3 This is an exploded structural diagram of the antibacterial air filter module as an example.

[0019] Figure 4 This is a schematic diagram of the front structure of the antibacterial module housing structure of the antibacterial air filter module in the embodiment.

[0020] Figure 5 This is a schematic diagram of the rear structure of the antibacterial module housing structure of the antibacterial air filter module in the embodiment.

[0021] Figure 6 This is a schematic diagram of the antibacterial module of the antibacterial air filter module in an embodiment.

[0022] Figure 7 This is a partial structural diagram of the antibacterial module of the antibacterial air filter module in an embodiment.

[0023] Figure 8 This is an outlet flow diagram for existing air filter modules without antibacterial modules.

[0024] Figure 9 The outlet flow rate diagram of the antibacterial air filter module in this embodiment is shown. Detailed Implementation

[0025] The present invention will be further described below with reference to the embodiments. It should be understood that these embodiments are only used to illustrate the present invention and are not intended to limit the scope of the present invention. After reading this description, any modifications of the present invention in various equivalent forms by those skilled in the art will fall within the scope defined by the appended claims.

[0026] Please combine Figures 1 to 3 As shown, the antibacterial air filter module of this embodiment includes a corrugated filter 1 and a frame 2. The corrugated filter 1 is mainly composed of non-woven fabric, which forms a corrugated structure through repeated folding. The corrugated filter 1 can be a multi-layered structure. A frame 2 of the same shape is set according to the structural shape of the required installation position of the air filter module. Typically, the frame 2 is rectangular. The frame 2 can be made of multi-layered non-woven fabric with a core board, such as plastic sheet or cardboard sheet as the core board, covered with non-woven fabric to form the frame 2, providing higher strength. The corrugated filter 1 fills the opening of the frame 2 and is fixed to the frame 2 with glue on all sides. The frame 2 can fix the shape of the corrugated filter 1 while also ensuring a close fit with the air circulation duct wall. Similar to the prior art, the V-shaped space formed between the folded surfaces 101 of the corrugated filter 1 faces the air intake and exhaust sides of the air filter module.

[0027] On the air outlet side of the corrugated filter 1, an antibacterial module housing structure 3 is provided between adjacent folded surfaces 101 of the corrugated filter 1. An antibacterial module 4 is provided within the antibacterial module housing structure 3. The antibacterial module 4 includes a module housing 401, which is filled with antibacterial volatiles 402. The module housing 401 can be a hollow structure or a closed structure (the closed structure is not a sealed structure and should ensure the release of antibacterial volatiles 402). The antibacterial volatiles 402 are volatile substances with antibacterial effects, such as mustard oil (product number: 8007-40-7, Jiangxi Yisenyuan Plant Fragrance Co., Ltd.). It should be noted that when using liquid antibacterial volatiles 402, they can be soaked in materials such as sponge and then filled into the module housing 401. When air flows through the antibacterial module 4, the antibacterial volatiles 402 are carried into the air conditioning system duct to achieve the antibacterial effect.

[0028] Generally, placing an antibacterial module housing structure 3 in the middle of the air outlet side of the corrugated filter 1 to house the antibacterial module 4 is sufficient to achieve the antibacterial effect. On air filter modules with particularly large airflow cross-sections, multiple antibacterial module housing structures 3 equipped with antibacterial modules 4 can be installed to increase the evaporation rate.

[0029] As a preferred embodiment, please refer to Figures 4 to 7 As shown, the antibacterial module housing structure 3 of this embodiment consists of adjacent folded surfaces 101 on the air outlet side of the corrugated filter 1, a support belt 301, and a shielding surface 302. Both the support belt 301 and the shielding surface 302 are made of non-woven fabric. The two sides of the support belt 301 are connected to the adjacent folded surfaces 101 of the corrugated filter 1, and the support belt 301 and the adjacent folded surfaces 101 of the corrugated filter 1 enclose a space that is approximately a triangular prism, which is the space for accommodating the antibacterial module 4. This configuration of the antibacterial module housing structure 3 allows air flowing through the corrugated filter 1 to directly enter the antibacterial module housing structure 3 and carry antibacterial volatiles 402.

[0030] In this embodiment, one end of the antibacterial module housing structure 3, which is approximately a triangular prism, is closed by a shielding surface 302, while the other end is open. Simultaneously, barbs 401a with pointed ends facing away from the shielding surface 302 are provided on the outer side of the module housing 401 of the antibacterial module 4. When installing the antibacterial module 4, it can be easily pushed into the antibacterial module housing structure 3. During vehicle operation, if the antibacterial module 4 shifts due to bumps, acceleration, deceleration, or steering, the shielding surface 302 prevents the antibacterial module 4 from detaching from the front end of the antibacterial module housing structure 3, while the barbs 401a prevent the antibacterial module 4 from detaching from the rear end of the antibacterial module housing structure 3, ensuring stability.

[0031] More preferably, the support strip 301 is a V-shaped structure, with the two sides of the V-shaped structure connected to the adjacent folded surfaces 101 of the corrugated filter 1. Meanwhile, the module housing 401 is cylindrical. The cooperation between the two sides of the V-shaped structure and the module housing 401 further enhances the stability of the antibacterial module 4, while the cylindrical shape of the antibacterial module 4 facilitates its installation. Of course, in addition to being cylindrical, the module housing 401 can also be a prism structure, such as a triangular prism or a square prism.

[0032] Furthermore, the antibacterial module 4 and the antibacterial module housing structure 3 are detachable, so the effectiveness of antibacterial action can be ensured by replacing the antibacterial module 4, making full use of the entire service life of the corrugated filter 1. In order to avoid installing the antibacterial module 4 in the wrong direction, the surface of the module housing 401 is provided with a direction indicator mark 401b, which is generally an arrow. The direction of the direction indicator mark 401b is opposite to the direction of the tip of the barb 401a.

[0033] Simulations were performed on the antibacterial air filter module of this embodiment. The results show that, compared with a conventional air filter module without the antibacterial module 4 (i.e., a filter with only the frame 2 and the corrugated filter screen 1), the change in airflow after passing through the filter is smaller. Figure 8 , Figure 9 As shown, when the inlet air velocity is set to 1 m / s, the outlet flow rate of a conventional air filter module is 4.6566 g / s, while the outlet flow rate of the antibacterial air filter module in this embodiment is 4.4847 g / s. This demonstrates that the antibacterial air filter module in this embodiment has virtually no impact on the airflow through the filter.

Claims

1. An antibacterial air filter module, comprising a corrugated filter screen and a frame, characterized in that, A support belt is connected between adjacent folds of the wavy filter screen, and the support belt is located on the air outlet side of the wavy filter screen. The antibacterial module housing structure includes adjacent folds of the wavy filter screen and a support belt connected between the adjacent folds. An antibacterial module is provided inside the antibacterial module housing structure. The antibacterial module includes a module shell, and the module shell is filled with antibacterial volatiles.

2. The antibacterial air filter module according to claim 1, characterized in that, One end of the antibacterial module housing structure has a shielding surface, and the outer side of the module housing is provided with barbs with their tips facing away from the shielding surface.

3. The antibacterial air filter module according to claim 2, characterized in that, The support strip has a V-shaped structure, and the two sides of the V-shaped structure are respectively connected to the adjacent folds of the wavy filter screen.

4. The antibacterial air filter module according to claim 2, characterized in that, The support belt is made of non-woven fabric.

5. The antibacterial air filter module according to claim 2, characterized in that, The surface of the module housing is provided with a direction indicator mark, and the direction indicator mark points in opposite directions to the tip of the barb.

6. The antibacterial air filter module according to claim 1 or 3, characterized in that, The module housing is cylindrical.