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CN-121971917-A - Filter

CN121971917ACN 121971917 ACN121971917 ACN 121971917ACN-121971917-A

Abstract

The invention relates to the technical field of air purification, and particularly provides a filter which comprises a filter element and a first support piece, wherein the filter element comprises a plurality of air inlet folded peaks and a plurality of air outlet folded peaks, the air inlet folded peaks and the air outlet folded peaks are alternately distributed along a first direction, the bending directions of the air inlet folded peaks and the air outlet folded peaks are opposite, the air inlet folded peaks are connected with adjacent air outlet folded peaks, the first support piece is arranged on the air outlet side of the filter element, the first support piece comprises a first support main body and a plurality of first comb teeth, the first support main body is respectively connected with the plurality of air outlet folded peaks, the first comb teeth are arranged between two adjacent air outlet folded peaks, one end of each first comb tooth is connected with the first support main body, the other end of each first comb tooth is connected with an inner folded surface of the air inlet folded peak, and the first comb teeth and the filter element are arranged at intervals along the first direction. According to the invention, the filter element and the comb teeth are provided with the intervals, so that the effective filtering area of the filter element is increased, the filtering resistance is reduced, and the filtering efficiency is improved.

Inventors

  • YUAN CHENYANG
  • LIN SILANG
  • LIU ZHIQING
  • HU WEIWEI

Assignees

  • 爱美克空气过滤器（苏州）有限公司

Dates

Publication Date
20260505
Application Date
20260408

Claims (19)

  1. 1. A filter, comprising: The filter element comprises a plurality of air inlet folding peaks and a plurality of air outlet folding peaks; the air inlet folded peaks and the air outlet folded peaks are alternately arranged along the first direction, the bending directions of the air inlet folded peaks and the air outlet folded peaks are opposite, the air inlet folded peaks are connected with the adjacent air outlet folded peaks, and The filter element comprises a filter element, a first support piece, a first comb tooth and a second comb tooth, wherein the first support piece is arranged on the air outlet side of the filter element and comprises a first support main body and a plurality of first comb teeth, the first support main body is respectively connected with a plurality of air outlet folded peaks, the first comb teeth are arranged between two adjacent air outlet folded peaks, one end of each first comb tooth is connected with the first support main body, the other end of each first comb tooth is connected with an inner folded surface of each air inlet folded peak, and the first comb teeth and the filter element are arranged at intervals along the first direction.
  2. 2. A filter as claimed in claim 1, wherein: The distance a between the first comb teeth and the filter element meets the relation, and a is more than or equal to 0.15mm and less than or equal to 0.25mm.
  3. 3. A filter as claimed in claim 1, wherein: The first support pieces are arranged in a plurality along a third direction, and the first support pieces are sequentially arranged at intervals, wherein the first direction is vertical to the second direction, the second direction is parallel to the air inlet direction of the filter element, and the third direction is vertical to the first direction and the second direction respectively.
  4. 4. A filter according to claim 3, wherein: and along the third direction, the distance b between two adjacent first supporting pieces meets the relation, and b is more than or equal to 26mm and less than or equal to 28mm.
  5. 5. A filter as claimed in claim 1, wherein: along the first direction, the dimension c of the first support main body meets the relation, and c is more than or equal to 2mm and less than or equal to 4mm; Along the third direction, the dimension d of the first supporting piece meets the relation, and d is more than or equal to 1.5mm and less than or equal to 2mm.
  6. 6. A filter as claimed in claim 1, wherein: The first comb teeth are far away from one end of the first supporting body, and a first round angle is formed in the first comb teeth.
  7. 7. The filter of claim 1, further comprising: The filter element comprises a filter element, a first support piece and a second support piece, wherein the filter element is arranged on the air inlet side of the filter element, the first support piece comprises a first support main body and a plurality of first comb teeth, the first support main body is connected with a plurality of first comb teeth, the first comb teeth are arranged between two adjacent first comb teeth, the first comb teeth are connected with the first support main body, and the first comb teeth and the filter element are arranged at intervals along the first direction.
  8. 8. A filter as defined in claim 7, wherein: The distance e between the second comb teeth and the filter element meets the relation, and e is more than or equal to 0.15mm and less than or equal to 0.25mm.
  9. 9. A filter as defined in claim 7, wherein: along the second direction, the height f of the filter element meets the relation, f is more than or equal to 100mm and less than or equal to 400mm, and the length g of the second comb teeth meets the relation, and g is more than or equal to 40mm and less than or equal to 80mm.
  10. 10. A filter as defined in claim 7, wherein: The first supporting pieces and the second supporting pieces are arranged in one-to-one correspondence.
  11. 11. A filter as defined in claim 7, wherein: the second support piece is provided with a plurality of, along the third direction, a plurality of second support piece interval arrangement in proper order.
  12. 12. A filter as claimed in claim 11, wherein: and along the third direction, the distance h between two adjacent second supporting pieces meets the relation, and h is more than or equal to 26mm and less than or equal to 28mm.
  13. 13. A filter as defined in claim 7, wherein: Along the first direction, the dimension i of the second support main body meets the relation, i is more than or equal to 2mm and less than or equal to 4mm; along the third direction, the dimension j of the second supporting piece meets the relation, and j is more than or equal to 1.5mm and less than or equal to 2mm.
  14. 14. A filter as defined in claim 7, wherein: and a second rounded corner is arranged at one end of the second comb teeth, which is far away from the second supporting main body.
  15. 15. A filter according to any one of claims 1 to 14, wherein: The air inlet folded peak is provided with an air inlet peak surface, the air outlet folded peak is provided with an air outlet peak surface, the size of the air outlet peak surface is smaller than that of the air inlet peak surface along the first direction, and the size between two adjacent air inlet peak surfaces is smaller than that between two adjacent air outlet peak surfaces.
  16. 16. A filter as claimed in claim 15, wherein: the size k of the air outlet peak surface and the size l of the air inlet peak surface meet the relational expression, and l/k is less than or equal to 2.5.
  17. 17. The filter of claim 16, comprising at least one of the following features: The thickness m of the filter element meets the relation, and m is more than or equal to 0.1mm and less than or equal to 0.6mm; along the first direction, the dimension n of the inner folded surface of the air inlet folded peak meets the relation, and n is more than or equal to 2.8mm and less than or equal to 3.2mm; along the first direction, the dimension o between two adjacent air inlet folding peaks meets the relation, and o is more than or equal to 1.2mm and less than or equal to 1.6mm; Along the first direction, the inner folded surface dimension p of the air outlet folded peak meets the relation, and p is more than or equal to 0.8mm and less than or equal to 1.2mm; along the first direction, the size q between two adjacent wind outlet folding peaks meets the relation, and q is more than or equal to 3.2mm and less than or equal to 3.6mm; Along the first direction, the sum of the dimension l of the air inlet peak surface and the dimension o between two adjacent air inlet folding peaks meets the relational expression, and l+o is more than or equal to 4.5mm and less than or equal to 5.5mm.
  18. 18. The filter of claim 1, further comprising: The first outer frame is provided with two; along the first direction, two first outer frames are respectively arranged at two sides of the filter element and are connected with the filter element, and And along a third direction, the two second outer frames are respectively arranged at two sides of the filter element, and the two second outer frames are connected with the filter element.
  19. 19. A filter as claimed in claim 18, wherein: The sealing glue is arranged at the joints of the first outer frame and the filter element and at the joints of the second outer frame and the filter element, first glue blocking pieces are arranged at the two sides of each first outer frame along the second direction, and second glue blocking pieces are arranged at the two sides of each second outer frame.

Description

Filter Technical Field The invention relates to the technical field of air purification, in particular to a filter. Background The filter element is one of the core components of the filter, and in order to increase the area of the filter material as much as possible in the limited volume of the filter, the filter material is generally repeatedly folded to form the filter element. To achieve securement of the cartridge, it is often necessary to place a spacer between the folds of the cartridge. In the prior art, comb teeth are commonly used as spacers to fixedly support the filter element. During assembly, glue needs to be sprayed on the side surfaces of the comb teeth, and then the comb teeth are inserted between the folds of the filter element, so that the filter element and the comb teeth are bonded. Although the filter element can be fixed, the comb teeth and the glue occupy the area of a part of the filter element, so that the effective filtering area is reduced, the original airflow channel is blocked, the filtering resistance is increased, and the filtering efficiency is influenced. Disclosure of Invention The filter at least solves the problems of small effective filtering area, large filtering resistance and low filtering efficiency of the related filter, and increases the effective filtering area of the filter element, reduces the filtering resistance and improves the filtering efficiency by arranging the interval between the filter element and the comb teeth. The invention provides a filter, which comprises a filter element, wherein the filter element comprises a plurality of air inlet folded peaks and a plurality of air outlet folded peaks, the air inlet folded peaks and the air outlet folded peaks are alternately arranged along a first direction, the air inlet folded peaks and the air outlet folded peaks are opposite in bending direction, the air inlet folded peaks are connected with adjacent air outlet folded peaks, a first supporting piece is arranged on the air outlet side of the filter element, the first supporting piece comprises a first supporting main body and a plurality of first comb teeth, the first supporting main body is respectively connected with the plurality of air outlet folded peaks, the first comb teeth are arranged between the two adjacent air outlet folded peaks, one end of each first comb tooth is connected with the first supporting main body, the other end of each first comb tooth is connected with an inner folded surface of the air inlet folded peak, and the first comb teeth and the filter element are arranged at intervals along the first direction. In one embodiment of the invention, the distance a between the first comb teeth and the filter element meets the relation, and a is more than or equal to 0.15mm and less than or equal to 0.25mm. In one embodiment of the invention, a plurality of first support pieces are arranged along a third direction, and the plurality of first support pieces are sequentially arranged at intervals, wherein the first direction and the second direction are vertical, the second direction is parallel to the air inlet direction of the filter element, and the third direction is vertical to the first direction and the second direction respectively. In one embodiment of the present invention, in the third direction, a distance b between two adjacent first supports satisfies a relation of 26 mm≤b≤28 mm. In one embodiment of the invention, the dimension c of the first support body in the first direction satisfies the relation 2 mm≤c≤4 mm, and the dimension d of the first support in the third direction satisfies the relation 1.5 mm≤d≤2 mm. In one embodiment of the invention, the end of the first comb teeth away from the first support body is provided with a first rounded corner. In one embodiment of the invention, the filter element comprises a filter element body, a first support piece and a second support piece, wherein the filter element body is provided with a plurality of air inlet peaks, the first support piece is arranged on the air inlet side of the filter element, the first support piece comprises a first support main body and a plurality of first comb teeth, the first support main body is connected with the first comb teeth, the first comb teeth are arranged between two adjacent air inlet peaks, the first comb teeth are connected with the first support main body, and the first comb teeth and the filter element are arranged at intervals along the first direction. In one embodiment of the invention, the distance e between the second comb teeth and the filter element satisfies the relation, and e is more than or equal to 0.15mm and less than or equal to 0.25mm. In one embodiment of the invention, the fold height dimension f of the filter element in the second direction satisfies the relation, f is 100mm < 400mm, and the length g of the second comb teeth satisfies the relation, g is 40mm < 80mm. In one embodiment of the present invention, the fi