CN112807889B - Air filter and photoelectric equipment - Google Patents
Air filter and photoelectric equipment Download PDFInfo
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- CN112807889B CN112807889B CN202011553357.4A CN202011553357A CN112807889B CN 112807889 B CN112807889 B CN 112807889B CN 202011553357 A CN202011553357 A CN 202011553357A CN 112807889 B CN112807889 B CN 112807889B
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- layer
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- air
- air filter
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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
- B01D46/30—Particle separators, e.g. dust precipitators, using loose filtering material
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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
- B01D46/0027—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
- B01D46/0084—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours provided with safety means
- B01D46/0086—Filter condition indicators
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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
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Separation Of Gases By Adsorption (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
The application discloses air cleaner, including the filter frame, separate the support to and the relative filter layer that is used for filtering the particulate matter of interval in proper order in the filter frame, be used for adsorbing mould, salt ion and acidic ion's first adsorbed layer, be used for adsorbing the second adsorbed layer of moisture. Be provided with the filter layer among the air cleaner in this application, first adsorbed layer and second adsorbed layer, the particulate matter among the filter layer can the filtered air, mould among the first adsorbed layer can the adsorbed air, salt ion and acid ion, moisture among the second adsorbed layer can the adsorbed air, therefore, air process air cleaner back particulate matter under the natural condition, mould, salt ion, acid ion and moisture are got rid of, the gas that gets into photoelectric equipment can not lead to the fact the corruption to photoelectric equipment, the life of promotion photoelectric equipment, can also prevent frosting phenomenon's emergence under high altitude low temperature environment simultaneously, the imaging quality of promotion photoelectric equipment. The application also provides an optoelectronic device.
Description
Technical Field
The application relates to the technical field of environment control of precise photoelectric equipment, in particular to an air filter and photoelectric equipment.
Background
The aviation photoelectric equipment is an important part on the airplane, and in order to ensure stable internal air pressure of the aviation photoelectric equipment due to low air pressure of the high-altitude environment in the process of taking off and lifting off the airplane, the aviation photoelectric equipment can be externally deflated; when the airplane lands, the air pressure of the low-altitude environment is high, and the aviation photoelectric equipment can absorb the air under natural conditions. Since the air under natural conditions contains many components which have an influence on the aviation photoelectric equipment, such as moisture, salt spray, mold and acidic ions, the salt spray, the mold and the acidic ions can corrode the aviation photoelectric equipment and influence the service life of the photoelectric equipment, the moisture can not only reduce the service life of the photoelectric equipment, but also frost in high-altitude low-temperature environments, and the imaging quality of the aviation photoelectric equipment is influenced. At present, nitrogen is often used to avoid the influence of air under natural conditions. The mode is high in cost, and can only ensure that the internal gas of the aviation photoelectric equipment is dry nitrogen in the aircraft landing process, when the aircraft operates in the air to move, air under the external natural condition can enter the aviation photoelectric equipment due to gas exchange, and the imaging quality and the service life of the aviation photoelectric equipment are influenced by moisture, salt spray, mould and acidic ions in the air.
Therefore, how to solve the problem that the adverse effect response of the aviation photoelectric equipment caused by the air entering the aviation photoelectric equipment under natural conditions is an urgent technical problem to be solved by the technical personnel in the field.
Disclosure of Invention
The purpose of the application is to provide an air filter and a photoelectric device, so as to avoid the influence of moisture, salt fog, mold and acidic ions in the air on the photoelectric device under natural conditions.
In order to solve the technical problem, the application provides an air cleaner, including the filter frame, separate the support, and the relative filter layer that is used for filtering the particulate matter that sets up, the first adsorbed layer that is used for adsorbing mould, salt ion and acid ion, the second adsorbed layer that is used for adsorbing moisture of interval in proper order in the filter frame.
Optionally, the air filter further includes:
and a prompt part for prompting the purification failure.
Optionally, in the air filter, the prompting portion is an indicator layer disposed opposite to the second adsorption layer at an interval.
Optionally, in the air filter, the prompting part comprises a single chip microcomputer and an alarm;
the single chip microcomputer is used for converting the charging and discharging gas volume required in the take-off and landing processes of the airplane to obtain the charging and discharging times; determining the time length according to the time of each inflation and deflation and the times; judging whether the duration exceeds the purification time of the air filter, and sending an alarm instruction to an alarm when the duration exceeds the purification time;
The alarm is used for receiving the alarm instruction and sending out alarm information.
Optionally, in the air filter, the filter layer is active cotton or fine gauze.
Optionally, in the air filter, the material of the second adsorption layer is any one of the following:
silica gel, alumina, calcium sulfate and calcium chloride.
Optionally, in the air filter, the first adsorption layer is activated carbon.
Optionally, in the air filter, the first adsorption layer includes:
a mould adsorption layer, a salt ion adsorption layer and an acid ion adsorption layer.
Optionally, in the air filter, the material of the mold adsorption layer is any one or any combination of the following:
kaolin, bentonite, montmorillonite, zeolite and diatomite.
The present application further provides a photovoltaic device comprising any of the air filters described above.
The application provides an air cleaner, including the filter frame, separate the support, and the relative filter layer that is used for filtering the particulate matter of interval setting in proper order in the filter frame, be used for adsorbing mould, salt ion and acidic ion's first adsorbed layer, be used for adsorbing the second adsorbed layer of moisture.
Air cleaner in this application is provided with the filter layer, first adsorbed layer and second adsorbed layer, the particulate matter in the air under the natural condition can be filtered to the filter layer, mould in the air under the natural condition can be adsorbed to first adsorbed layer, salt ion and acid ion, moisture in the air under the natural condition can be adsorbed to the second adsorbed layer, therefore, air is particulate matter behind air cleaner under the natural condition, mould, salt ion, acid ion and moisture are got rid of, the gas that gets into photoelectric equipment can not lead to the fact the corruption to photoelectric equipment, promote photoelectric equipment's life, can also prevent the emergence of the phenomenon of frosting under high altitude low temperature environment simultaneously, promote photoelectric equipment's imaging quality.
The present application further provides an optoelectronic device.
Drawings
For a clearer explanation of the embodiments or technical solutions of the prior art of the present application, the drawings needed for the description of the embodiments or prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an air filter according to an embodiment of the present disclosure;
fig. 2 is a schematic structural diagram of another air filter provided in an embodiment of the present application.
Detailed Description
In order that those skilled in the art will better understand the disclosure, the following detailed description will be given with reference to the accompanying drawings. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
As described in the background section, nitrogen flushing is often used to avoid the effects of air under natural conditions. The mode is high in cost, and only dry nitrogen can be used as the internal gas of the aviation photoelectric equipment in the airplane landing process, when the airplane operates in the air to move, air with external natural conditions enters the aviation photoelectric equipment due to gas exchange, and the imaging quality and the service life of the aviation photoelectric equipment are influenced by moisture, salt spray, mould and acidic ions in the air.
In view of this, the present application provides an air filter, please refer to fig. 1, and fig. 1 is a schematic structural diagram of an air filter provided in an embodiment of the present application, the air filter includes a filter frame, a separation bracket, and a filter layer for filtering particulate matters, a first adsorption layer for adsorbing mold, salt ions and acid ions, and a second adsorption layer for adsorbing moisture, which are sequentially disposed at intervals and oppositely in the filter frame.
The separation support is used for fixing the filter layer, the first adsorption layer and the second adsorption layer, so that the filter layer, the first adsorption layer and the second adsorption layer are kept separated from each other and have a certain distance.
The particulate matter mainly refers to large granular pollutants such as dust with large diameter contained in the air, and avoids entering the photoelectric equipment to influence the service life of the photoelectric equipment.
Optionally, the filter layer is active cotton or fine gauze, has certain moisture absorption function when stopping particulate matter, and preliminarily reduces the humidity of the air entering the photoelectric equipment. Wherein, the fine gauze generally refers to gauze with pore diameter below 0.05 mm.
The second adsorption layer is used for removing moisture in the air, so that the moisture in the air is prevented from influencing the service life of the photoelectric equipment, the cleanliness of a window of the photoelectric equipment in a high-altitude low-temperature environment using process can be guaranteed, the frosting phenomenon is prevented, and the imaging quality of the photoelectric equipment is improved.
In the present application, the material of the second adsorption layer includes, but is not limited to, any of the following:
silica gel, alumina, calcium sulfate and calcium chloride.
It should be noted that the material of the second adsorption layer is preferably silica gel, which is an amorphous substance with high adsorption performance, good thermal stability, stable chemical properties, and high mechanical strength, and even if the silica gel desiccant is completely immersed in water, it will not soften or liquefy. No matter before the silica gel adsorbs moisture or after adsorbing moisture, no powder can be generated, and adverse influence of the powder on the interior of the photoelectric equipment is avoided.
Optionally, in an embodiment of the present application, the first adsorption layer is activated carbon, the activated carbon has a strong adsorption performance and can adsorb mold, salt ions and acid ions, and the activated carbon may be coconut shell activated carbon, nut shell activated carbon, wood activated carbon, or coal activated carbon. However, this is not specifically limited in this application, and in other embodiments of the present application, the first adsorption layer includes: a mould adsorption layer, a salt ion adsorption layer and an acid ion adsorption layer.
The mould adsorption layer, the salt ion adsorption layer and the acid ion adsorption layer are also oppositely arranged at intervals, wherein the material of the mould adsorption layer comprises any one or any combination of kaolin, bentonite, montmorillonite, zeolite and diatomite; the material of the salt ion and acid ion adsorption layer can be alkaline ion exchange resin and magnesium-aluminum bimetal hydroxide, and the salt ion and acid ion adsorption layer can also be an adsorption layer realized by electrode adsorption.
Be provided with the filter layer among the air cleaner in this application, first adsorbed layer and second adsorbed layer, the particulate matter in the air under the natural condition can be filtered to the filter layer, mould in the air under the natural condition can be adsorbed to first adsorbed layer, salt ion and acid ion, moisture in the air under the natural condition can be adsorbed to the second adsorbed layer, therefore, air is particulate matter behind the air cleaner under the natural condition, mould, salt ion, acid ion and moisture are got rid of, the gas that gets into optoelectronic equipment can not lead to the fact the corruption to optoelectronic equipment, promote optoelectronic equipment's life, can also prevent the emergence of the phenomenon of frosting simultaneously under high altitude low temperature environment, promote optoelectronic equipment's imaging quality.
In an embodiment of the present application, the air filter further includes a prompt section for prompting the purification failure.
As a specific embodiment, please refer to fig. 2, fig. 2 is a schematic structural diagram of another air filter provided in the embodiment of the present application, in which the prompting portion is an indicator layer disposed opposite to the second adsorption layer at an interval.
In the present application, the material of the indicator layer is not particularly limited and may be selected. For example, the material of the indicator layer may be a moisture sensitive color changing material, or a moisture sensitive fluorescent material, or a color changing desiccant, or the like.
Wherein, the humidity sensitive allochroic material contains dye, the moisture in the air can cause the structure change of the dye, thereby changing the absorption spectrum of visible light part in sunlight, the main component of the dye is allochroic cobalt double salt, and further, in order to make the allochroic sensitiveSensitizers may also be added to aid in color change. The humidity sensitive fluorescent material can be polyvinyl alcohol doped with salicylic acid and sodium salt thereof, or ethylene-glycol-water mixed solution dissolved with rhodamine 6G, or Ru complex [ Ru (phen)2(doppz)](PF6)2And so on. The color-changing drying agent can be color-changing silica gel coated with anhydrous copper sulfate and the like.
As another specific embodiment, the prompting part comprises a single chip microcomputer and an alarm;
the single chip microcomputer is used for converting the charging and discharging gas volume required in the take-off and landing processes of the airplane to obtain the charging and discharging times; determining the time length according to the time of each inflation and deflation and the times; judging whether the duration exceeds the purification time of the air filter, and sending an alarm instruction to an alarm when the duration exceeds the purification time;
the alarm is used for receiving the alarm instruction and sending out alarm information.
It should be noted that the alarm information may be sound alarm information and/or text alarm information.
The air filter provided by the embodiment is provided with the prompting part, when the prompting part is the indicator layer, the color of the indicator layer indicates that the air filter is invalid and needs to be replaced by a new air filter, and when the color of the indicator layer does not change, the air filter can be continuously used; when suggestion portion includes singlechip and alarm, if the alarm sends alarm information, show that air cleaner has become invalid, need change new air cleaner, if the alarm does not send alarm information, then air cleaner can continue to use, consequently, air cleaner in this application both can solve because of change untimely influence photoelectric equipment's life-span, the problem of imaging quality, can also avoid air cleaner's waste.
The present application further provides a photovoltaic device comprising an air filter according to any of the above embodiments.
The filter layer among the air cleaner is located the outside, and when the air got into photoelectric equipment, the air was first through the filter layer, then passes through first adsorbed layer, second adsorbed layer in proper order, and particulate matter, mould, salt ion, acid ion and moisture in the air are adsorbed by air cleaner to promote photoelectric equipment's life-span and imaging quality, improve photoelectric equipment's adaptability to aerial environment simultaneously.
The embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same or similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The air filter and the optoelectronic device provided by the present application are described in detail above. The principles and embodiments of the present application are explained herein using specific examples, which are provided only to help understand the method and the core idea of the present application. It should be noted that, for those skilled in the art, it is possible to make several improvements and modifications to the present application without departing from the principle of the present application, and such improvements and modifications also fall within the scope of the claims of the present application.
Claims (7)
1. An air filter is characterized by comprising a filter outer frame, a separation support, a filter layer, a first adsorption layer and a second adsorption layer, wherein the filter layer, the first adsorption layer and the second adsorption layer are sequentially arranged in the filter outer frame at intervals and are used for filtering particles, the first adsorption layer is used for adsorbing mould, salt ions and acid ions, and the second adsorption layer is used for adsorbing moisture;
And a prompt part for prompting the purification failure;
the prompting part comprises a single chip microcomputer and an alarm;
the single chip microcomputer is used for converting the charging and discharging gas volume required in the take-off and landing processes of the airplane to obtain the charging and discharging times; determining the time length according to the time of each inflation and deflation and the times; judging whether the duration exceeds the purification time of the air filter, and sending an alarm instruction to an alarm when the duration exceeds the purification time;
the alarm is used for receiving the alarm instruction and sending out alarm information.
2. The air filter of claim 1, wherein the filter layer is activated cotton or fine gauze.
3. The air filter of claim 1, wherein the second adsorbent layer is made of any one of the following materials:
silica gel, alumina, calcium sulfate and calcium chloride.
4. The air filter of any of claims 1-3, wherein the first sorbent layer is activated carbon.
5. The air filter of any of claims 1-3, wherein the first sorbent layer comprises:
a mould adsorption layer, a salt ion adsorption layer and an acid ion adsorption layer.
6. The air filter of claim 5, wherein the mold adsorbing layer is made of any one or any combination of the following materials:
Kaolin, bentonite, montmorillonite, zeolite and diatomite.
7. An optoelectronic device comprising an air filter according to any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011553357.4A CN112807889B (en) | 2020-12-24 | 2020-12-24 | Air filter and photoelectric equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011553357.4A CN112807889B (en) | 2020-12-24 | 2020-12-24 | Air filter and photoelectric equipment |
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| Publication Number | Publication Date |
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| CN112807889A CN112807889A (en) | 2021-05-18 |
| CN112807889B true CN112807889B (en) | 2022-05-24 |
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| CN202011553357.4A Active CN112807889B (en) | 2020-12-24 | 2020-12-24 | Air filter and photoelectric equipment |
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