CN111151073A - Drying and filtering device with breathing function and using method thereof - Google Patents
Drying and filtering device with breathing function and using method thereof Download PDFInfo
- Publication number
- CN111151073A CN111151073A CN202010009895.0A CN202010009895A CN111151073A CN 111151073 A CN111151073 A CN 111151073A CN 202010009895 A CN202010009895 A CN 202010009895A CN 111151073 A CN111151073 A CN 111151073A
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- drying
- cavity
- function
- cabin
- respiratory
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
- B01D46/62—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in series
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0027—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
- B01D46/0036—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions by adsorption or absorption
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/30—Particle separators, e.g. dust precipitators, using loose filtering material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/26—Drying gases or vapours
- B01D53/261—Drying gases or vapours by adsorption
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Drying Of Gases (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention discloses a drying and filtering device with a breathing function, which comprises a breathing valve, a filtering and dedusting device and a drying cabin. A cavity in a right-angle bent foot form or a spiral bent foot form is arranged in the drying cabin, so that only one channel is arranged in the drying cabin, the channel is filled with a molecular sieve for rapidly and strongly absorbing water molecules, and the part is a dehumidification cavity. The cavity is close to the atmospheric one end in the external world, designs a little space, has placed multilayer impurity filtration, by outer to interior respectively be: PP cotton, PM2.5 activated carbon plate, and biomolecular membrane, the part is the filter chamber. The outermost end is provided with a breather valve with specific pressure difference, and when the set air pressure difference is generated inside and outside the equipment, the valve is opened, so that the gas exchange of the pressure difference can be realized; one end of the cavity is connected with the equipment and is connected to the aviation onboard plug-in photoelectric equipment by a pipeline with good sealing performance to form an internally communicated whole.
Description
Technical Field
The invention relates to a filtering device and a using method thereof, in particular to a drying and filtering device with a breathing function and a using method thereof.
Background
A drying and dehumidifying device is often installed in an aviation onboard plug-in electronic device to ensure the normal work of the electronic device, and the conventional drying and dehumidifying device is realized by placing a porous pot-shaped container in the device and putting a drying agent inside the container. A strict gas seal of the space within the device is required if the desiccant is to be effective for a long period of time, otherwise excessive gas exchange between the interior and exterior would saturate the desiccant for a short period of time and render it ineffective. Because the air pressure changes violently when the equipment is changed along with the carrier at high and low idle speeds, the difficulty of completely sealing the equipment and the outside is increased, particularly when a relatively rotating shaft system exists in the equipment, the air tightness with high pressure difference is more difficult to achieve, and the strict sealing can cause the air pressure to act on a shell structure to generate larger stress influence.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the invention provides a drying and filtering device with a breathing function and a using method thereof, aiming at the problems that the existing drying device used in complex avionic equipment has single function and can not rapidly and comprehensively dehumidify and filter gas in a system, and the drying and filtering device with the breathing function and the using method thereof are invented.
The invention is realized by the following technical scheme:
the utility model provides a dry filter equipment with respiratory function, includes breather valve, filtering dust collector, dry cabin, the breather valve is connected with filtering dust collector's one end intercommunication, and dry cabin is connected with the one end intercommunication that filtering dust collector kept away from the breather valve.
The device has a breathing function and can realize gas exchange of differential pressure. The breather valve is set to be small in pressure difference, when the electronic equipment works under different atmospheric pressure environments, the internal and external pressure difference reaches the set pressure difference, the breather valve is opened, external air firstly enters the filter cavity, various impurities in the air are filtered, moisture contained in the air is removed through the dehumidification cavity, and finally, dry and clean air is sent to the interior of the equipment to circularly work in the mode.
The one end that filtering dust collector was kept away from to the drying cabin communicates in proper order to be connected with adapter, quick-release mouth, with the air guide hose of aviation machine on-board plug-in optoelectronic equipment intercommunication connection, all can dismantle between adapter, the quick-release mouth, the air guide hose, conveniently changes and breathes filter equipment.
Be provided with the filter chamber in filtering dust collector, the filter chamber has set gradually multilayer impurity filtration in the chamber, by outer to interior being respectively: the filter structure comprises a plurality of layers of PP cotton, a plurality of layers of activated carbon, a first metal separation net, a biological molecular membrane and a second metal separation net, and is used for filtering impurities in gas.
One end of the filter dust removal device, which is connected with the breather valve, is provided with a pressing ring for increasing the air tightness of the breather valve.
The upper end of the drying cabin is provided with an upper end cover of the drying cabin, and the lower end of the drying cabin is provided with a lower end cover of the drying cabin, so that the drying agent is convenient to replace.
The outer surface of the drying chamber is of an arc structure, and the structure can enhance the outer surface to resist the external pressure. An observation glass window is also arranged on the drying cabin. When the drying agent is saturated, the color change state can be seen through the window, and the drying device is convenient to replace. The mode ensures that the air in the equipment is clean and dry, reduces the sealing difficulty of the electronic equipment, and reduces the stress influence on the equipment structure caused by high pressure difference.
A dehumidification cavity is arranged in the drying cabin, a drying agent is filled in the dehumidification cavity, the drying agent is a molecular sieve, and the molecular sieve is filled in the channel and used for rapidly and strongly absorbing water molecules.
The shape of the dehumidifying cavity is a right-angle bent foot form or a spiral bent foot form, and only one channel is arranged in the dehumidifying cavity, so that the desiccant filling amount of the dehumidifying cavity can be increased in a limited space.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
FIG. 1 is a view showing the overall structure of the apparatus of the present invention.
Reference numbers and corresponding part names in the drawings:
1-a breather valve, 2-a filtering and dedusting device, 3-a drying cabin upper end cover, 4-a drying cabin, 5-a switching head, 6-a quick-release nozzle, 7-an air guide hose, 8-a drying cabin lower end cover, 9-the drying cabin, 10-an observation glass window and 11-a dehumidification cavity.
FIG. 2 is a view showing the construction of the filter device.
Reference numbers and corresponding part names in the drawings:
12-pressing ring, 13-multilayer PP cotton, 14-multilayer activated carbon, 15-first metal separation net, 16-double-layer biomolecule film and 17-second metal separation net.
Fig. 3 is a sectional view of the drying compartment.
Reference numbers and corresponding part names in the drawings:
11-dehumidification chamber, 18-drying agent, 19-air inlet and 20-air outlet.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.
As shown in fig. 1, the present invention is a dry filter device having a breathing function according to an embodiment. Specifically including breather valve 1, filter dust collector 2, dry cabin 4, breather valve 1 is connected with the one end intercommunication of filter dust collector 2, and dry cabin 4 is connected with the one end intercommunication that filter dust collector 2 kept away from breather valve 1.
The device has a breathing function and can realize gas exchange of differential pressure. The breather valve is set to be small in pressure difference, when the electronic equipment works under different atmospheric pressure environments, the internal and external pressure difference reaches the set pressure difference, the breather valve is opened, external air firstly enters the filter cavity, various impurities in the air are filtered, moisture contained in the air is removed through the dehumidification cavity, and finally, dry and clean air is sent to the interior of the equipment.
One end of the drying cabin 4, which is far away from the filtering and dust removing device 2, is sequentially communicated and connected with an adapter 5, a quick-release nozzle 6 and an air guide hose 7 communicated and connected with an aircraft-mounted external photoelectric device, wherein the adapter 5, the quick-release nozzle 6 and the air guide hose 7 can be detached from each other, and when the breathing filtering device needs to be replaced, the breathing filtering device can be detached and replaced.
Be provided with the filter chamber in filtering dust collector 2, the filter chamber has set gradually multilayer impurity filtration, by outer to interior being: when air enters the filtering and dust removing device 2, the air can sequentially pass through the multi-layer PP cotton 13, the multi-layer activated carbon 14, the first metal separation net 15, the biological molecular film 16 and the second metal separation net 17 to filter impurities in the air.
One end of the filter dust removal device 2 connected with the breather valve is provided with a pressing ring 12 for increasing the air tightness of the breather valve.
The upper end of the drying cabin 4 is provided with the drying cabin upper end cover 3, and the lower end of the drying cabin is provided with the drying cabin lower end cover 8, so that the drying agent is convenient to replace. The outer surface of the drying chamber 4 is of an arc-shaped structure, which can enhance the outer surface against the external pressure. The drying compartment 4 is provided with an observation glass window 10. When the drying agent is saturated, the color change state can be seen through the window, and the drying device is convenient to replace. The mode ensures that the air in the equipment is clean and dry, reduces the sealing difficulty of the electronic equipment, and reduces the stress influence on the equipment structure caused by high pressure difference.
The drying cabin is internally provided with a dehumidification cavity 11, a drying agent 18 is filled in the dehumidification cavity, the drying agent is a molecular sieve, and the channel is filled with the molecular sieve for rapidly and strongly absorbing water molecules. The dehumidification chamber 11 has a shape of a right-angled bent leg or a spiral bent leg and has only one channel inside, and the shape of the chamber can improve the filling amount of the desiccant in a limited space.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are only illustrative of the present invention and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. The utility model provides a dry filter equipment with respiratory function, its characterized in that, is including breather valve (1), filtration dust collector (2), dry cabin (4) that can set for pressure differential, breather valve (1) is connected with the one end intercommunication of filtration dust collector (2), and dry cabin (4) are connected with the one end intercommunication that breather valve (1) was kept away from in filtration dust collector (2).
2. A respiratory-function dry filter unit according to claim 1, wherein: one end of the drying cabin (4) far away from the filtering and dust removing device (2) is sequentially communicated and connected with an adapter (5), a quick-release nozzle (6) and an air guide hose (7) communicated and connected with an aircraft-mounted external photoelectric device.
3. A respiratory-function dry filter unit according to claim 1, wherein: be provided with the filter chamber in filtering dust collector (2), the filter chamber has set gradually multilayer impurity filtration in, by outer to interior being respectively: the composite material comprises a plurality of layers of PP cotton (13), a plurality of layers of activated carbon (14), a first metal separation net (15), a biological molecular film (16) and a second metal separation net (17).
4. A respiratory-function dry filter unit according to claim 1, wherein: one end of the filter dust removal device (2) connected with the breather valve is provided with a pressing ring (12).
5. A respiratory-function dry filter unit according to claim 1, wherein: the upper end of the drying cabin (4) is provided with a drying cabin upper end cover (3), and the lower end of the drying cabin (4) is provided with a drying cabin lower end cover (8).
6. A respiratory-function dry filter unit according to claim 1, wherein: the outer surface of the drying cabin (4) is of an arc structure.
7. A respiratory-function dry filter unit according to claim 1, wherein: and a dehumidifying cavity (11) is arranged in the drying cabin (4).
8. A respiratory-function dry filter unit according to claim 7, wherein: the shape of the dehumidifying cavity (11) is a right-angle bent foot form or a spiral bent foot form.
9. The drying and filtering device with a breathing function according to any one of claims 7 to 8, characterized in that: the dehumidifying cavity (11) is internally provided with a desiccant (18).
10. A use method of a drying and filtering device with a breathing function is characterized in that: the breather valve is set to be small in pressure difference, when the electronic equipment works under different atmospheric pressure environments, the internal and external pressure difference reaches the set pressure difference, the breather valve is opened, external air firstly enters the filter cavity, various impurities in the air are filtered, moisture contained in the air is removed through the dehumidification cavity, and finally, dry and clean air is sent to the interior of the equipment to circularly work in the mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010009895.0A CN111151073B (en) | 2020-01-06 | 2020-01-06 | Drying and filtering device with breathing function and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010009895.0A CN111151073B (en) | 2020-01-06 | 2020-01-06 | Drying and filtering device with breathing function and using method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111151073A true CN111151073A (en) | 2020-05-15 |
| CN111151073B CN111151073B (en) | 2021-10-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010009895.0A Active CN111151073B (en) | 2020-01-06 | 2020-01-06 | Drying and filtering device with breathing function and using method thereof |
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Citations (20)
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| Publication number | Publication date |
|---|---|
| CN111151073B (en) | 2021-10-22 |
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