CN210057699U - Air filter for railway vehicle - Google Patents
Air filter for railway vehicle Download PDFInfo
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- CN210057699U CN210057699U CN201920596014.2U CN201920596014U CN210057699U CN 210057699 U CN210057699 U CN 210057699U CN 201920596014 U CN201920596014 U CN 201920596014U CN 210057699 U CN210057699 U CN 210057699U
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- filter
- filter screen
- rail vehicle
- vehicle air
- air filter
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Abstract
The utility model discloses a rail vehicle air cleaner, including the mount with install a plurality of filter equipment that parallel each other on the mount, filter equipment includes the filter screen, the filter screen adopts electret nanofiber material, the arrangement in filter screen thickness direction upper aperture is gradientness. This rail vehicle air cleaner, the filter screen adopts electret nanofiber material, electret nanofiber material has static, except having general mechanical interception effect, the adsorbable dust of coulomb force etc. of its production, thereby increase substantially the filter action to tiny particles such as PM2.5, the electrostatic field and the microcurrent of its production have the suppression and kill the effect to microorganism such as bacterium simultaneously, the range in aperture is the gradient nature in the filter screen thickness direction, can increase the dust holding capacity of filter screen and improve its life, this utility model is used for air filtration technical field.
Description
Technical Field
The utility model relates to an air filtration technical field especially relates to a rail vehicle air cleaner.
Background
Currently, the air filters used in the field of rail vehicles are mainly classified into the following types:
(1) and a stainless steel mesh filter. A40-mesh stainless steel net filter is basically adopted for fresh air treatment of subway rail transit vehicles, and the filter net can only filter particles with a certain size.
(2) And a nylon filter. The fresh air and return air of the large railway track traffic vehicle are filtered by a nylon filter screen basically, and the filter screen has a certain filtering effect, but the dust holding capacity is low, and the overall filtering performance is low.
(3) And a nonwoven fabric filter. The non-woven fabric filter is a filter commonly used in the process of filtering mixed air (fresh air and return air) of a railway vehicle, and consists of G3-grade non-woven fabric and a filter screen frame.
It was found that in all cases the air quality in the metro was the worst, reaching a PM2.5 concentration of 64 micrograms per cubic meter. Highly dense people in subway vehicles can release a large amount of peculiar smell and carbon dioxide, generate various microbial bacteria, and microbial pollutants such as the bacteria and the like can survive and spread for a long time in the specific environment of the subway due to poor ventilation and insufficient sunlight. The passengers are in the environment for a long time to have certain influence on physical and mental health, the air filters adopted by the prior rail vehicles only have coarse-effect particle filtering function, the filtering method can have certain filtering effect on dust and impurities, but the filtering effect on harmful microorganisms such as tiny bacteria is extremely limited, and the limited microorganisms flow along with the circulating air in the passenger room to pollute the air in the passenger room of the vehicle.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a rail vehicle air cleaner can effectively clear away harmful substance such as PM2.5 and bacterium.
The utility model adopts the technical proposal that:
the utility model provides a rail vehicle air cleaner, includes the mount and installs a plurality of filter equipment that parallel to each other on the mount, and filter equipment includes the filter screen, and the filter screen adopts electret nanofiber material, and the arrangement in the filter screen thickness direction aperture is the gradient.
Further conduct the utility model discloses technical scheme's improvement, filter equipment still includes the frame at parcel filter screen edge.
Further conduct the utility model discloses technical scheme's improvement, the mount include the body and with body lower part articulated lid, be equipped with the cavity that holds filter equipment between body and the lid, be equipped with a plurality of parting beads that separate each filter equipment in the cavity.
Further conduct the utility model discloses technical scheme's improvement, it is protruding to be equipped with a plurality of fixed filter equipment's anticreep on this internal wall.
Further conduct the utility model discloses technical scheme's improvement all is equipped with U type groove on body both ends and the parting bead.
Further conduct the utility model discloses technical scheme's improvement is equipped with elementary filtration grid on the lid.
Further as the utility model discloses technical scheme's improvement, electret nanofiber material's surface covers a layer of polytetrafluoroethylene membrane.
Further conduct the utility model discloses technical scheme's improvement, the filter screen is buckled and is the wave.
Further conduct the utility model discloses technical scheme's improvement, the upper and lower both ends of body are equipped with a plurality of fixed orificess.
The utility model has the advantages that: the air filter for the rail vehicle is characterized in that the filter screen is made of electret nanofiber materials, the electret nanofiber materials are static, dust and the like can be adsorbed by coulomb force generated by the electret nanofiber materials except for general mechanical interception, so that the filtering effect on fine particles such as PM2.5 and the like is greatly improved, meanwhile, static electric fields and micro-currents generated by the electret nanofiber materials have the effects of inhibiting and killing microbes such as bacteria and the like, the arrangement of pore diameters in the thickness direction of the filter screen is gradient, the dust holding capacity of the filter screen can be increased, and the service life of the filter screen can be prolonged.
Drawings
The present invention will be further explained with reference to the accompanying drawings:
fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;
fig. 2 is a schematic structural view of a fixing frame according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a filtering apparatus according to an embodiment of the present invention.
Detailed Description
Referring to fig. 1-3, the utility model relates to a rail vehicle air cleaner, including mount 1 and a plurality of filter equipment 2 that parallel each other that install on mount 1, filter equipment 2 includes filter screen 21, and filter screen 21 adopts electret nanofiber material, and the range in filter screen 21 thickness direction upper aperture is the graduality.
In the air filter for the rail vehicle, the filter screen 21 is made of electret nanofiber materials, wherein the electrets are dielectric materials capable of storing space charges and dipole charges for a long time, the electret nanofiber materials are static, and have a general mechanical interception function, and the coulomb force generated by the electret nanofiber materials can adsorb dust and the like, so that the filtering function on fine particles is greatly improved, and meanwhile, the generated electrostatic field and micro-current can destroy the surface structure of bacteria and have inhibiting and killing functions on the microorganisms such as the bacteria and the like. The arrangement of apertures in the thickness direction of the filter screen 21 is gradient, which can be seen as the series connection of a plurality of tiny fiber filter layers, the filter layers with larger apertures are arranged in sequence to the filter layers with smaller apertures, and dust or microorganisms with different particle sizes are adsorbed on the fiber filter layers with different apertures, so that the dust holding capacity of the filter screen 21 can be increased, and the service life of the filter screen is prolonged.
The number of the filter screens 21 is 3, and the number of the filter screens 21 can be increased or decreased according to the size of the installation space.
As a preferred embodiment of the present invention, the filtering device 2 further includes a frame 22 wrapping the edge of the filtering net 21. The whole filter screen 21 is relatively soft, and the edge of the filter screen 21 is wrapped by the frame 22, so that the filter screen 21 is easy to install and fix, and the filter screen 21 is protected.
As the preferred embodiment of the present invention, the fixing frame 1 includes a body 11 and a cover 12 hinged to the lower portion of the body 11, a cavity for accommodating the filtering device 2 is provided between the body 11 and the cover 12, and a plurality of partition bars 13 for separating the filtering devices 2 are provided in the cavity. The filter device 2 can be attached or detached by opening the cover 12.
As the preferred embodiment of the present invention, the wall surface in the body 11 is provided with a plurality of anti-dropping protrusions 14 for fixing the filtering device 2, specifically, the upper wall surface is provided with a plurality of anti-dropping protrusions 14. When the filter device 2 is installed, the cover 12 is opened, the filter device 2 is placed in the cover, and the cover is pushed forward slightly with force, so that the anti-falling projections 14 clamp the filter device 2 on the body 11. The anti-slip protrusions 14 serve as auxiliary fixing means for preventing the filter device 2 from shaking in the fixing frame 1 due to acceleration or deceleration of the rail vehicle.
As the preferred embodiment of the present invention, U-shaped grooves 15 are provided at both ends of the body 11 and on the division bars 13 to facilitate the detachment of the filter device 2. When the filter device 2 is removed, the cover 12 is opened and the filter device 2 is pulled out of the body 11 through the U-shaped groove 15.
As the utility model discloses preferred embodiment is equipped with elementary filter screen 16 on the lid 12, and elementary filter screen 16 can the prefilter major diameter debris, prevents that debris from getting into filter screen 21, influences filter screen 21's filter effect and damages filter screen 21 even.
As the utility model discloses preferred embodiment, the surface of electret nanofiber material covers a layer of polytetrafluoroethylene membrane, and polytetrafluoroethylene membrane has good chemical stability, can strengthen the high temperature resistant and corrosion-resistant performance of filter screen 21 etc. and prolong the life of filter screen 21.
As the utility model discloses preferred embodiment, filter screen 21 buckles and is the wave to greatly increased filter screen 21 and the area of contact of air, reinforcing filter effect.
As a preferred embodiment of the present invention, the upper and lower ends of the body 11 are provided with a plurality of fixing holes 17. The filter is integrally installed and fixed at a use position, such as an air inlet of an air conditioner, through the fixing hole 17.
Of course, the invention is not limited to the above-mentioned embodiments, and those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the invention, and these equivalent modifications or substitutions are included in the scope defined by the claims of the present application.
Claims (9)
1. A rail vehicle air filter characterized by: including mount (1) and install in a plurality of filter equipment (2) that parallel each other on mount (1), filter equipment (2) include filter screen (21), electret nanofiber material is adopted in filter screen (21), the arrangement in filter screen (21) thickness direction upper aperture is the graduality.
2. The rail vehicle air filter of claim 1, wherein: the filtering device (2) further comprises a frame (22) wrapping the edge of the filtering net (21).
3. The rail vehicle air filter of claim 2, wherein: the fixing frame (1) comprises a body (11) and a cover (12) hinged to the lower portion of the body (11), a cavity for containing the filtering devices (2) is arranged between the body (11) and the cover (12), and a plurality of partition strips (13) for separating the filtering devices (2) are arranged in the cavity.
4. The rail vehicle air filter of claim 3, wherein: the wall surface in the body (11) is provided with a plurality of anti-falling bulges (14) for fixing the filtering device (2).
5. The rail vehicle air filter of claim 4, wherein: u-shaped grooves (15) are formed in the two ends of the body (11) and the partition bars (13).
6. The rail vehicle air filter of claim 3, wherein: the cover (12) is provided with a primary filter grid (16).
7. The rail vehicle air filter of claim 1, wherein: the surface of the electret nanofiber material is covered with a polytetrafluoroethylene film.
8. The rail vehicle air filter of claim 1, wherein: the filter screen (21) is bent and waved.
9. The rail vehicle air filter of claim 3, wherein: the upper end and the lower end of the body (11) are provided with a plurality of fixing holes (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920596014.2U CN210057699U (en) | 2019-04-26 | 2019-04-26 | Air filter for railway vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920596014.2U CN210057699U (en) | 2019-04-26 | 2019-04-26 | Air filter for railway vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210057699U true CN210057699U (en) | 2020-02-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920596014.2U Active CN210057699U (en) | 2019-04-26 | 2019-04-26 | Air filter for railway vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210057699U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110745154A (en) * | 2019-10-31 | 2020-02-04 | 中车株洲电力机车有限公司 | Filter equipment and rail vehicle |
-
2019
- 2019-04-26 CN CN201920596014.2U patent/CN210057699U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110745154A (en) * | 2019-10-31 | 2020-02-04 | 中车株洲电力机车有限公司 | Filter equipment and rail vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Air filter for rail vehicle Effective date of registration: 20220422 Granted publication date: 20200214 Pledgee: Guangzhou Wanbao Financial Leasing Co.,Ltd. Pledgor: GUANGZHOU DINGHAN RAILWAY VEHICLES EQUIPMENT Co.,Ltd. Registration number: Y2022980004599 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |