Fan filter unit

Abstract

The utility model relates to the technical field of fan filtering, in particular to a fan filtering unit which comprises a fan component used for ventilation and a filtering unit arranged on the inner side of the fan component, the fan component comprises a shell, a filtering area is arranged on one side of the shell, fan blades are installed on one side of the filtering area, and the filtering unit is arranged on the inner side of the fan component. The outer sides of the fan blades are covered with a layer of protective net; according to the utility model, when the filter unit and the fan component are combined for use, the position of the filter element in a filter area can be limited to be kept fixed by utilizing the combination of the positioning hole and the clamping strip; the combination of the sliding blocks and the limiting grooves can control the position limitation of the filter elements, and the arrangement of the plurality of filter elements is matched, so that a medium between the two filter elements can be fixed by the combination of the two filter elements, the fixation of the filter elements and the attached medium is realized, the gaps between the medium and the filter elements are reduced, and the service life of the filter elements is prolonged. The filtering effect is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of fan filtration, and particularly relates to a fan filter unit. Background Art

[0002] The filtration of fans is very common in use scenarios, and the specific filtration effect is mainly considered in combination with the application scenario.

[0003] Regardless of the filtration scenario, the main component that plays a role is the filter element installed inside. When the common filter element is used, one end is stacked together. However, in the conventional combination during the filtration process, there may be relatively large gaps between the media. When it is fixedly used, it is easy to have problems with poor filtration effect. Based on the above considerations, a measure is needed to fix the media. Content of the Utility Model

[0004] Aiming at the deficiencies of the prior art, the utility model provides a fan filter unit, which solves the problem that there may be relatively large gaps between the media in the prior art, and it is easy to have poor filtration effect when it is fixedly used.

[0005] The fan filter unit of the utility model includes a fan component for air exchange, and a filter unit arranged inside the fan component.

[0006] The fan component includes a housing, a filtration area is arranged on one side of the housing, a fan blade is installed on one side of the filtration area, and a protective net is covered outside the fan blade.

[0007] A filter screen is arranged inside the filtration area, and one or more fixing holes are arranged at the diagonals of the inner four-side frame of the filter screen, and the fixing holes are adapted to the filter unit.

[0008] The filter unit includes a wrapping frame, a resisting flange is arranged inside the wrapping frame, one or more filter elements are arranged at the resisting flange, and a fixed distance is maintained between every two filter elements for filling the filtration medium.

[0009] As a further improvement of the utility model, a limiting groove is arranged in the middle of the inner four-side frame of the wrapping frame, and the limiting groove is adapted to the sliding block arranged outside the filter element.

[0010] As a further improvement of the utility model, one or more air passing channels are arranged on the front surface of the filter element for air circulation, and a cross-shaped card strip is arranged on the surface of one of the filter elements that is adapted to the filter screen.

[0011] As a further improvement of the present utility model, one or more positioning bumps are provided at the diagonal corners of the clamping strip, and the positioning bumps are adapted to the fixing holes provided on the filter screen for fixing the filter element.

[0012] As a further improvement of the present utility model, a central positioning point is further provided in the middle of the clamping strip, and the central positioning point is adapted to the middle of the filter screen.

[0013] As a further improvement of the present utility model, one or more adjustable air guide plates are provided on the outer side of the housing. The outer side of the air guide plate is restricted by a clamping frame. A positioning point is provided on the side of the clamping frame close to the housing, and the positioning point is adapted to the positioning hole provided on the housing. And the clamping frame is fixed to the housing through a switch.

[0014] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0015] Through the provided filtering unit and the provided fan component, when used in combination, the combination of the positioning hole and the clamping strip can be utilized to limit the position of the filter element to be fixed in the filtering area;

[0016] The combination of the provided slider and the limiting groove can control the position limitation of the filter element. And with the arrangement of multiple filter elements, the medium between two filter elements can be fixed by the combination between the two filter elements, realizing the fixation of the filter element and the attached medium, reducing the gap between the medium and the filter element, and improving the filtering effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The schematic embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation of the present application. In the drawings:

[0018] Figure 1 is a three-dimensional structural schematic diagram of the combination of the fan component and the filtering unit of the present utility model;

[0019] Figure 2 is a schematic diagram of the inner structure of the fan component of the present utility model;

[0020] Figure 3 is a schematic diagram of the combined structure of the other side of the fan component of the present utility model;

[0021] Figure 4 is a front view structural schematic diagram of the fan component of the present utility model;

[0022] Figure 5 is a three-dimensional structural schematic diagram of the filtering unit of the present utility model;

[0023] Figure 6Schematic diagram of the three-dimensional structure of another angle of the filtering unit of the present utility model;

[0024] Figure 7 Front view structure schematic diagram of the filtering unit of the present utility model;

[0025] Figure 8 Front view structure schematic diagram of the other side of the filtering unit of the present utility model.

[0026] In the figure: 1. Fan component; 2. Filtering unit;

[0027] 11. Outer shell; 12. Filtering area; 13. Air guide plate; 14. Switch; 15. Filter screen; 16. Fan blade; 17. Fixing hole; 18. Positioning hole; 19. Protective net;

[0028] 21. Wrapping frame; 22. Filter element; 23. Air passage; 24. Positioning convex block; 25. Filter medium; 26. Central positioning point; 27. Card strip; 28. Slide block; 29. Contact flange; 210. Limit groove. Detailed implementation manners

[0029] The following will disclose multiple implementation manners of the present utility model in the form of illustrations. For the sake of clarity, many physical details will be described together in the following narrative. However, it should be understood that these physical details are not used to limit the present utility model. That is to say, in some implementation manners of the present utility model, these physical details are not necessary. In addition, for the purpose of simplifying the illustrations, some conventional structures and components will be shown in a simple schematic manner in the illustrations.

[0030] In addition, the technical solutions between various embodiments can be combined with each other, but it must be based on the premise that those of ordinary skill in the art can implement them. When the combination of technical solutions results in contradictions or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the protection scope required by the present utility model.

[0031] Please refer to Figure 1 、 Figure 2 、 Figure 3 、Figure, Figure 5 and Figure 6 , the filtering of the fan is very common in its usage scenarios, and the specific filtering effect is mainly considered in combination with the application scenarios.

[0032] Regardless of the filtering scenario, the main function is the filter element 22 installed inside. The common filter element 22 is used for filtering by stacking one end together. However, in the filtering process, there may be a large gap between the media in the conventional combination. When it is fixedly used, it is easy to have the problem of poor effect. Based on this, the present application provides a fan filter unit 2, including a fan component 1 for ventilation, a filter unit 2 arranged inside the fan component 1,

[0033] The fan component 1 includes a housing 11, a filter area 12 is provided on one side of the housing 11, a fan blade 16 is installed on one side of the filter area 12, and the outer side of the fan blade 16 is covered with a protective net 19;

[0034] A filter screen 15 is disposed inside the filter area 12, and one or more fixing holes 17 are disposed at diagonal positions of the inner side frame of the filter screen 15, and the fixing holes 17 are adapted to the filter unit 2;

[0035] The filter unit 2 comprises a wrapping frame 21 , an inner side of which is provided with an abutment flange 29 , one or more filter elements 22 are arranged at the abutment flange 29 , and a fixed distance is maintained between every two filter elements 22 for filling the filter medium 25 .

[0036] The outer side of the fan blade 16 is covered with a protective net 19. The purpose of this design is to prevent large particles from entering the inside of the fan when the fan is working, and to protect the normal operation of the fan.

[0037] The fixing hole 17 is adapted to the filter unit 2. This design can ensure that the filter screen 15 is fixed in the filter area 12 to avoid displacement or loosening during use.

[0038] A fixed distance is maintained between every two filter elements 22 for filling the filter medium 25. The space of the filter elements 22 can be effectively utilized to improve the filtering efficiency.

[0039] By providing the filter screen 15 and the filter element 22, particulate matter and pollutants in the air can be effectively filtered to improve the air quality.

[0040] The design of the housing 11 and the protective net 19 can prevent large particles from entering the interior of the fan and protect the fan component 1 from being damaged.

[0041] The design of the fixing hole 17 and the abutting flange 29 can ensure that the filter screen 15 and the filter element 22 remain stable during use and will not shift or loosen, thereby ensuring the filtering effect and system reliability.

[0042] See also Figure 3 ,picture, Figure 5 , Figure 6 as well as Figure 7 and Figure 8, In the middle of the inner four - sided frame of the wrapping frame 21, there is a limit groove 210, which is adapted to the slider 28 arranged on the outer side of the filter element 22.

[0043] On the front of the filter element 22, there is one or more air - passing channels 23 for air circulation, and on one side of the filter element 22 that is adapted to the filter screen 15, there are card strips 27 arranged in a cross - shape.

[0044] The adaptation of the limit groove 210 and the slider 28 arranged on the outer side of the filter element 22 can ensure the correct position of the filter element 22 during assembly, and the filter element 22 can be accurately positioned and fixed by adjusting the position of the slider 28.

[0045] On the front of the filter element 22, there is one or more air - passing channels 23 for air circulation. The air - passing channels 23 ensure that air can smoothly pass through the filter element 22 for effective filtration. In addition, on one side of the filter element 22 that is adapted to the filter screen 15, there are card strips 27 arranged in a cross - shape. These card strips 27 can be combined with the fixing holes 17 or other fixing devices to ensure a firm and reliable connection between the filter element 22 and the filter screen 15, and there will be no loosening or falling off.

[0046] Through the design of the limit groove 210 and the slider 28, precise positioning and stable fixation of the filter element 22 can be achieved, ensuring the correct position of the filter element 22 in the filtration area 12, and improving the filtration effect and system reliability.

[0047] The air - passing channels 23 on the front of the filter element 22 ensure that air can smoothly pass through the filter element 22 for filtration, reduce resistance, and improve the efficiency of the ventilation system.

[0048] The card strips 27 are combined with the fixing holes 17 or other fixing devices to ensure a firm and reliable connection between the filter element 22 and the filter screen 15, and there will be no loosening or falling off, ensuring a lasting and stable filtration effect.

[0049] Please refer to Figure 3 、Figure、 Figure 5 、 Figure 6 and Figure 7 and Figure 8 , At the diagonal corners of the card strip 27, there is one or more positioning bumps 24, and the positioning bumps 24 are adapted to the fixing holes 17 arranged on the filter screen 15 for fixing the filter element 22.

[0050] In the middle of the card strip 27, there is also a center positioning point 26, and the center positioning point 26 is adapted to the middle of the filter screen 15.

[0051] The adaptation of the positioning bumps 24 and the fixing holes 17 arranged on the filter screen 15 can ensure that the filter element 22 can be accurately aligned and fixed during installation, avoiding deviation or instability.

[0052] In the middle of the card strip 27, a central positioning point 26 is also provided, which is adapted to the middle part of the filter screen 15. This design can further enhance the fixation of the filter element 22, ensuring its stability during use and preventing shaking or loosening.

[0053] Through the design of the positioning bump 24 and the central positioning point 26, precise positioning and firm fixation of the filter element 22 can be achieved, ensuring its correct position within the filtration area 12, and improving the filtration effect and system stability.

[0054] The positioning bump 24 matches the fixing hole 17 on the filter screen 15, ensuring a firm and reliable connection between the filter element 22 and the filter screen 15, preventing loosening or detachment, and ensuring a lasting and stable filtration effect.

[0055] Through the design of the positioning bump 24 and the central positioning point 26, the installation process is more simple and rapid, reducing possible installation errors and improving the reliability and stability of the system.

[0056] One or more of the above-mentioned filter elements 22 have two installation methods. First, there are at least two filter elements 22, and the air passing channels 23 between them are mutually misaligned and are combined and adapted to each other. At this time, by inserting a layer of filter medium 25, such as fiber cloth, sponge, etc., between the two filter elements 22, particles that cannot be filtered by the filter element 22 can be processed again;

[0057] Second, there is only one filter element 22. At this time, the inner side of the filter element 22 is composed of folded fiber cloth or filter cotton, and another medium, such as activated carbon, ceramic particles, etc., can be filled into the provided air passing channel 23 to achieve different filtration effects;

[0058] At the same time, these two methods can be combined with each other or used separately.

[0059] Please refer to Figure 3 , Figure, Figure 5 , Figure 6 and Figure 7 and Figure 8 , one or more adjustable air guiding plates 13 are provided on the outer side of the housing 11. The outer side of the air guiding plate 13 is restricted by a card frame. A positioning point is provided on the side of the card frame close to the housing 11, and the positioning point is adapted to the positioning hole 18 provided on the housing 11, and the card frame switch 14 is fixed to the housing 11.

[0060] The outer side of the air guiding plate 13 is restricted by a card frame, ensuring that it will not shift or shake during use. Such a design enables users to adjust the angle and position of the air guiding plate 13 according to specific needs to achieve the best air flow effect.

[0061] One side of the card frame close to the housing 11 is provided with positioning points, and these positioning points are adapted to the positioning holes 18 provided on the housing 11. By matching the positioning points of the card frame with the positioning holes 18 on the housing 11, accurate positioning and fixation of the air deflector 13 can be achieved, ensuring its stability and reliability during use.

[0062] In addition, the card frame switch 14 is fixed to the housing 11 to ensure that the air deflector 13 can be firmly fixed at the required position after adjustment and will not loosen or move due to external force or vibration.

[0063] With the adjustable air deflector 13, users can flexibly adjust the air flow direction according to actual needs to make it more in line with the usage environment and requirements, improving the air flow efficiency.

[0064] The design of the card frame and the positioning device ensures that the air deflector 13 can be accurately positioned and fixed after adjustment, without position deviation or shaking, ensuring the stability and controllability of the air flow direction.

[0065] The card frame switch 14 is fixed to the housing 11, ensuring that the air deflector 13 can be firmly fixed at the required position after adjustment and will not move or loosen due to external force, improving the reliability and stability of the system.

[0066] The above are only the embodiments of the present invention and are not used to limit the present invention. For those skilled in the art, various changes and modifications can be made to the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the scope of the claims of the present invention.

Claims

1. A fan filter unit, comprising a fan component (1) for ventilation use, and a filter unit (2) arranged inside the fan component (1). Characterized in that: The fan component (1) includes a housing (11), one side of the housing (11) is provided with a filtering area (12), a fan blade (16) is installed on one side of the filtering area (12), and a protective net (19) covers the outside of the fan blade (16); A filter screen (15) is arranged inside the filtering area (12), and one or more fixing holes (17) are arranged at the diagonal corners of the inner peripheral frame of the filter screen (15), and the fixing holes (17) are adapted to the filter unit (2); The filter unit (2) includes a wrapping frame (21), a resisting flange (29) is arranged inside the wrapping frame (21), one or more filter elements (22) are arranged at the resisting flange (29), and a fixed distance is maintained between every two filter elements (22) for filling a filtering medium (25).

2. The fan filter unit according to claim 1, wherein: A limiting groove (210) is arranged in the middle of the inner peripheral frame of the wrapping frame (21), and the limiting groove (210) is adapted to a sliding block (28) arranged on the outside of the filter element (22).

3. The fan filter unit according to claim 1, wherein: One or more air passing channels (23) are arranged on the front surface of the filter element (22) for air circulation, and a cross-shaped card strip (27) is arranged on one surface of one of the filter elements (22) adapted to the filter screen (15).

4. The fan filter unit according to claim 3, wherein: One or more positioning bumps (24) are arranged at the diagonal corners of the card strip (27), and the positioning bumps (24) are adapted to the fixing holes (17) arranged on the filter screen (15) for fixing the filter element (22).

5. The fan filter unit according to claim 3, wherein: A center positioning point (26) is further arranged in the middle of the card strip (27), and the center positioning point (26) is adapted to the middle of the filter screen (15).

6. The fan filter unit according to claim 1, characterized in that: One or more adjustable air guiding plates (13) are arranged on the outside of the housing (11), the outside of the air guiding plate (13) is restricted by a card frame, a positioning point is arranged on one side of the card frame close to the housing (11), the positioning point is adapted to a positioning hole (18) arranged on the housing (11), and the card frame is fixed to the housing (11) through a switch (14).

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