CN220701350U - Coarse-effect air filter of electronic cabin environmental control system of civil aircraft - Google Patents
Coarse-effect air filter of electronic cabin environmental control system of civil aircraft Download PDFInfo
- Publication number
- CN220701350U CN220701350U CN202420346113.6U CN202420346113U CN220701350U CN 220701350 U CN220701350 U CN 220701350U CN 202420346113 U CN202420346113 U CN 202420346113U CN 220701350 U CN220701350 U CN 220701350U
- Authority
- CN
- China
- Prior art keywords
- filter layer
- filter
- control system
- end cover
- environmental control
- Prior art date
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- 230000007613 environmental effect Effects 0.000 title claims abstract description 14
- 239000003063 flame retardant Substances 0.000 claims abstract description 6
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims abstract description 4
- 238000007789 sealing Methods 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 5
- 238000009958 sewing Methods 0.000 claims description 4
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 3
- 238000005187 foaming Methods 0.000 claims description 3
- 238000001746 injection moulding Methods 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 239000004417 polycarbonate Substances 0.000 claims description 3
- 229920000515 polycarbonate Polymers 0.000 claims description 3
- 229920002635 polyurethane Polymers 0.000 claims description 3
- 239000004814 polyurethane Substances 0.000 claims description 3
- 238000004080 punching Methods 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 239000000565 sealant Substances 0.000 claims description 3
- 239000000741 silica gel Substances 0.000 claims description 3
- 229910002027 silica gel Inorganic materials 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 238000001914 filtration Methods 0.000 abstract description 19
- 238000009423 ventilation Methods 0.000 abstract description 7
- 239000000428 dust Substances 0.000 abstract description 6
- 239000003344 environmental pollutant Substances 0.000 abstract description 5
- 231100000719 pollutant Toxicity 0.000 abstract description 5
- 239000002245 particle Substances 0.000 abstract description 4
- 239000010410 layer Substances 0.000 description 40
- 238000010276 construction Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000004556 brain Anatomy 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
Landscapes
- Filtering Materials (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The utility model discloses a coarse-effect air filter of a civil aircraft electronic cabin environmental control system, which comprises an end cover, a filter body, an outer framework, an inner framework and a lower cover, wherein the filter body consists of an inner filter layer, a middle filter layer and an outer filter layer; the air filter has flame retardant property, high filtering efficiency on pollutants such as large particle dust, hair and the like contained in a ventilation system of an electronic cabin of a civil aircraft, and longer service life due to reduced initial pressure.
Description
Technical Field
The utility model relates to the technical field of aviation coarse-effect air filtration, in particular to a coarse-effect air filter of an electronic cabin environmental control system of a civil aviation aircraft.
Background
The electronic cabin on the civil aircraft is a core equipment cabin of the aircraft; if said engine is the heart of an aircraft, then the electronic equipment compartment is the brain of the aircraft; whether the ventilation and filtration system of the electronic cabin of the airplane is good or not directly influences the normal operation of all important instruments and equipment and computers of the airplane; the failure of the ventilation system of the electronic cabin of the aircraft is also common, and if it cannot be handled reasonably, it can affect the normal flight of the flight and even lead to a return journey.
The operation of electronic equipment on an aircraft requires a good ventilation environment to release heat, dust and moist air in the air tend to influence the reliability and service life of the electronic equipment, and strict environmental requirements in an electronic equipment cabin of the aircraft provide challenges for the design and manufacture of air filters in an environmental control system; the conventional air filter core is a folded filter core, although the sewage capacity is high, the pollutant filtering efficiency is low, the requirements of light weight and flame retardance are not met, chinese patent application No. 202321431197.5 discloses an air filter core, a flexible upper cover can realize the connection function and the sealing function, the air filter core is connected with a filter shell without sealing rings for sealing installation, a filter material is positioned between an inner net barrel and an outer net barrel, but the filter material is a single-layer folded filter core, has no flame retardance and cannot meet the requirements of aviation air filtration; chinese patent application No. 201310617630.9 discloses an air filter, which is used in clean workshops and clean rooms, wherein the three layers of filter layers are made of cotton activated carbon, the other layer of zinc oxide on the surface has an antibacterial effect, the filter layers are inflammable, and the air filter cannot meet the requirement of aviation air filtration; therefore, the coarse-effect air filter of the electronic cabin environmental control system of the civil aircraft is provided.
Disclosure of Invention
The utility model aims to overcome the existing defects, and provides the coarse-effect air filter of the civil aircraft electronic cabin environmental control system, which has flame retardant property, high filtering efficiency on large-particle dust, hair and other pollutants contained in the civil aircraft electronic cabin ventilation system, and longer service life due to reduced initial pressure, and can effectively solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a coarse effect air cleaner of civil aircraft electronic cabin environmental control system, including end cover, filter body, exoskeleton, inner skeleton and lower cover, the filter body comprises inner filter layer, well filter layer and outer filter layer, and the filter layer of filter body adopts fire-retardant polyurethane sponge to make, and the filter layer forms the tube-shape through the sewing seam, with the seam department reverse cover of filter layer, inner filter layer, well filter layer and outer filter layer cover in proper order on the inner skeleton, the outer skeleton cover is in the outside of outer filter layer, and outer skeleton and inner skeleton set up between end cover and lower cover.
Further, both ends of the filter body are respectively adhered with the end cover and the lower cover through sealing glue, and sealing strips are arranged in the circumferential direction of the lower cover and made of silica gel foaming materials.
Further, the end cover is formed by injection molding of polycarbonate plastic, the outer end of the end cover is provided with a circular arc structure, and the inner side surface of the end cover is provided with reinforcing ribs.
Furthermore, the inner framework and the outer framework are formed by punching and then rolling and welding aluminum alloy plates.
Compared with the prior art, the utility model has the beneficial effects that:
this air cleaner structural design is simple, and the filter body adopts three layer construction, adopts the mode that the sewing cup jointed, and easy processing is convenient for assemble moreover, has flame retardant property, and is high to pollutant filtration efficiency such as large granule dust, hair that contain in the civil aviation aircraft electronic cabin ventilation system, avoids the electron electric wire short circuit, influences electronic equipment's normal operating, and initial pressure reduction life is longer.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of a filter structure according to the present utility model;
FIG. 3 is a schematic cross-sectional view of an end cap according to the present utility model;
FIG. 4 is a schematic diagram of the seam construction of the filter layer of the present utility model.
In the figure: 1 end cover, 2 filter body, 3 lower cover, 4 sealing strips, 5 outer skeleton, 6 inner skeleton, 7 outer filtering layer, 8 middle filtering layer, 9 inner filtering layer, 10 arc structure, 11 strengthening rib, 12 joint department.
Detailed Description
In the description of the present utility model, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.
Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a coarse effect air cleaner of civil aircraft electronic cabin environmental control system, including end cover 1, filter body 2, outer skeleton 5, inner skeleton 6 and lower cover 3, filter body 2 comprises inner filter layer 9, well filter layer 8 and outer filter layer 7, the filter layer of filter body 2 adopts fire-retardant polyurethane sponge to make, the filter layer forms the tube-shape through the sewing joint, with the seam 12 reverse cover of filter layer, inner filter layer 9, well filter layer 8 and outer filter layer 7 cover in proper order on inner skeleton 6, filter body 2 adopts three layer construction, processing is convenient, and the clearance between the filter layer also can be used for holding dirty, extension filter core life, outer skeleton 5 cover is in the outside of outer filter layer 7, outer skeleton 5 and inner skeleton 6 set up between end cover 1 and lower cover 3.
The both ends of filter body 2 pass through the sealant bonding with end cover 1 and lower cover 3 respectively, and the circumferencial direction of lower cover 3 is provided with sealing strip 4, and sealing strip 4 adopts silica gel foaming material to make.
The end cover 1 is formed by injection molding of polycarbonate plastic, the outer end of the end cover 1 is provided with a circular arc structure, and the inner side surface of the end cover 1 is provided with reinforcing ribs 11, so that the strength of the end cover 1 is improved.
The inner framework 6 and the outer framework 5 are formed by punching and then rolling and welding aluminum alloy plates, so that the purpose of light weight is achieved, and the requirement of civil aviation on light weight of parts is met.
In the product forming process, an outer filter layer 7, a middle filter layer 8 and an inner filter layer 9 are sequentially sleeved on an inner framework 6, an outer framework 5 is sleeved on the outer filter layer 7 to form a filter body 2, the filter body 2 is bonded with an end cover 1 and a lower cover 3 through FM-3162 sealant, finally a sealing strip 4 is bonded to the lower cover 3, the product is assembled, the filtration efficiency and the initial resistance are tested, the test result is compared with an original, the filtration efficiency of pollutants such as large particle dust, hair and the like contained in a ventilation system is more than 87.2%, the initial pressure drop of the product is only 327Pa, the requirement is not more than 400Pa, and the smaller initial pressure drop means longer service life.
The filtering principle is that unfiltered air enters from the outside of the filtering layer, passes through the outer filtering layer 7, the middle filtering layer 8 and the inner filtering layer 9 in sequence, dust particles and a small amount of water stay on the filtering layer, clean air passes through the inside of the product and flows into the downstream, and a clean environment is created for the electronic cabin.
While the basic principles of the utility model have been shown and described, there are various changes and modifications to the utility model, which fall within the scope of the utility model as hereinafter claimed, without departing from the spirit and scope of the utility model.
Claims (4)
1. The utility model provides a coarse effect air cleaner of civil aircraft electronic cabin environmental control system, includes end cover (1), filter body (2), exoskeleton (5), inner frame (6) and lower cover (3), its characterized in that: the filter body (2) comprises an inner filter layer (9), a middle filter layer (8) and an outer filter layer (7), wherein the filter layer of the filter body (2) is made of flame-retardant polyurethane sponge, the filter layer forms a cylinder shape through sewing joint, the joint (12) of the filter layer is reversely sleeved, the inner filter layer (9), the middle filter layer (8) and the outer filter layer (7) are sequentially sleeved on an inner framework (6), an outer framework (5) is sleeved on the outer side of the outer filter layer (7), and the outer framework (5) and the inner framework (6) are arranged between an end cover (1) and a lower cover (3).
2. A coarse air filter for a civil aircraft electronic cabin environmental control system as claimed in claim 1, wherein: the both ends of filter body (2) are respectively with end cover (1) and lower cover (3) through the bonding of sealant, and the circumferencial direction of lower cover (3) is provided with sealing strip (4), and sealing strip (4) adopt silica gel foaming material to make.
3. A coarse air filter for a civil aircraft electronic cabin environmental control system as claimed in claim 1, wherein: the end cover (1) is formed by injection molding of polycarbonate plastic, the outer end of the end cover (1) is provided with a circular arc structure, and the inner side surface of the end cover (1) is provided with reinforcing ribs (11).
4. A coarse air filter for a civil aircraft electronic cabin environmental control system as claimed in claim 1, wherein: the inner framework (6) and the outer framework (5) are formed by punching and then rolling and welding aluminum alloy plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420346113.6U CN220701350U (en) | 2024-02-26 | 2024-02-26 | Coarse-effect air filter of electronic cabin environmental control system of civil aircraft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420346113.6U CN220701350U (en) | 2024-02-26 | 2024-02-26 | Coarse-effect air filter of electronic cabin environmental control system of civil aircraft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220701350U true CN220701350U (en) | 2024-04-02 |
Family
ID=90446821
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420346113.6U Active CN220701350U (en) | 2024-02-26 | 2024-02-26 | Coarse-effect air filter of electronic cabin environmental control system of civil aircraft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220701350U (en) |
-
2024
- 2024-02-26 CN CN202420346113.6U patent/CN220701350U/en active Active
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