CN215427902U

CN215427902U - Fresh air filter screen suitable for rail vehicle

Info

Publication number: CN215427902U
Application number: CN202121837738.5U
Authority: CN
Inventors: 张赟; 孙久斌
Original assignee: Nanjing Laoshan Hvac Equipment Co ltd
Current assignee: Nanjing Laoshan Hvac Equipment Co ltd
Priority date: 2021-08-05
Filing date: 2021-08-05
Publication date: 2022-01-07
Anticipated expiration: 2031-08-05

Abstract

The utility model relates to the technical field of air purification, and discloses a fresh air filter screen suitable for a rail vehicle, which is characterized in that: comprises a filter screen shell, a top cover, a high-efficiency filter plate, a second filter plate, a first filter plate, a grating plate and a handle; the top cover is arranged at the upper end of the filter screen shell, and the high-efficiency filter plate, the second filter plate, the first filter plate and the grid plate are sequentially arranged in the filter screen shell; the handles are arranged at the upper ends of the high-efficiency filter plate, the second filter plate, the first filter plate and the grid plate; the utility model adopts a multi-layer filter screen filtering mode, and can filter most of pollutants such as dust, particulate matters, microorganisms and the like in the air; when guaranteeing enough fresh air volume, also be convenient for the cleanness and the maintenance in device later stage, reduced the operation cost to a certain extent, possess higher practicality.

Description

Fresh air filter screen suitable for rail vehicle

Technical Field

The utility model relates to the technical field of air purification, in particular to a fresh air filter screen suitable for a railway vehicle.

Background

The air inlet of the existing air interchanger for the high-speed railway vehicle is mostly provided with a paper air filtering port at the initial stage, and the phenomena of paper fouling and blockage are generated after the air interchanger runs for a period of time. Along with the gradual increase of the fouling and blocking phenomena of the paper air filtering opening, the fresh air quantity supplied to the interior of the passenger room by the air interchanger is gradually reduced, and then larger negative pressure is gradually generated in the interior of the passenger room. When a vehicle enters a tunnel in a high-speed running mode, is decelerated at a high speed, and is parked to open a vehicle door, the pressure inside a passenger room is changed violently, so that a passenger feels tinnitus easily, and the riding comfort is not improved. The paper air filtering port needs to be cleaned or replaced according to time, so that the maintenance workload of the equipment is increased, and the operation cost is correspondingly increased.

In order to solve the above-mentioned problem, need provide a new trend filter screen suitable for rail vehicle, when guaranteeing enough fresh air volume, guarantee the device be convenient for the cleanness in later stage and maintain.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a fresh air filter screen suitable for a railway vehicle, and aims to solve the problems in the background technology.

In order to achieve the purpose, the technical scheme provided by the utility model is as follows:

the utility model provides a new trend filter screen suitable for rail vehicle which characterized in that: comprises a filter screen shell 1, a top cover 2, a high-efficiency filter plate 3, a second filter plate 4, a first filter plate 5, a grid plate 6 and a handle 7; the top cover 2 is arranged at the upper end of the filter screen shell 1, and the high-efficiency filter plate 3, the second filter plate 4, the first filter plate 5 and the grating plate 6 are sequentially arranged in the filter screen shell 1; the upper ends of the high-efficiency filter plate 3, the second filter plate 4, the first filter plate 5 and the grid plate 6 are provided with the handles 7. The grating plate 6 is positioned on the front surface of the filter screen shell 1, and a first filter plate 5, a second filter plate 4 and a high-efficiency filter plate 3 are sequentially arranged behind the grating plate.

Preferably, the screen housing 1 comprises a screen housing frame 101, a screen plate insertion opening 102, a screen plate insertion groove 103 and an outer frame baffle plate 104; outer frame baffles 104 are arranged on the front and the back of the filter screen shell frame 101; the upper end of the filter screen casing frame 101 is provided with the filter screen plate insertion opening 102, and the inner side surface of the lower end is provided with the filter screen plate insertion opening 102. Two outer frame baffles 104 can be provided to avoid the falling of the screen plates in the screen housing 1.

Preferably, the high-efficiency filter plate 3 includes a first frame body 301 and a high-efficiency filter screen 302; the first frame 301 is provided with the high-efficiency filter screen 302 therein. The high-efficiency filter screen 302 is formed by overlapping, compounding and pleating an antibacterial and antiviral non-woven fabric and an electret melt-blown non-woven fabric, and has antibacterial, bactericidal and antiviral effects.

Preferably, the first filter plate 5 includes a third frame 501 and a first filter screen 502; the first filter screen 502 is disposed inside the third frame 501. The first filter plate 5 primarily filters air to remove most of particulate matter and dust.

Preferably, the second filter plate 4 includes a second frame 401 and a second filter 402, and the second filter 402 is disposed inside the second frame 401. The second filter plate 4 performs a secondary filtration to remove fine dust, particles and a part of viruses.

Preferably, the grid plate 6 includes a fourth frame 601 and an L-shaped grid 602, and the L-shaped grid 602 is disposed in the fourth frame 601. The grating plate 6 can effectively block rainwater, and the grating L-shaped 602 adopts an L-shaped design, so that the condition that rainwater enters the filter screen plate along with airflow when a vehicle is in a high-speed state can be avoided.

Compared with the prior art, the utility model has the beneficial effects that:

the utility model adopts a multi-layer filter screen filtering mode, and can filter most of pollutants such as dust, particulate matters, microorganisms and the like in the air; when guaranteeing enough fresh air volume, also be convenient for the cleanness and the maintenance in device later stage, reduced the operation cost to a certain extent, possess higher practicality.

Drawings

FIG. 1 is a schematic view of a fresh air filter screen suitable for use in a rail vehicle;

FIG. 2 is a schematic view of a split view of a fresh air filter screen suitable for use in a rail vehicle;

FIG. 3 is a schematic view of a filter screen panel of a fresh air filter screen suitable for use in a rail vehicle;

FIG. 4 is a schematic view of a fresh air filter screen housing and handle suitable for use in a rail vehicle;

FIG. 5 is a schematic view of a fresh air filter screen housing suitable for use in a rail vehicle;

fig. 6 is a schematic view of an L-shaped grille of a fresh air filter screen suitable for a rail vehicle.

In the figure: 1. a screen housing; 2. a top cover; 3. a high-efficiency filter plate; 4. a second filter plate; 5. a first filter plate; 6. a grid plate; 7. a handle; 101. a screen housing frame; 102. a filter screen plate socket; 103. a filter screen plate slot; 104. an outer frame baffle; 301. a first frame body; 302. a high-efficiency filter screen; 401. a second frame body; 402. a second filter screen; 501. a third frame body; 502. a first filter screen; 601. a fourth frame body; 602. an L-shaped grid.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

As shown in fig. 4 and 5, as a possible embodiment, the screen housing 1 includes a screen housing frame 101, a screen plate insertion opening 102, a screen plate insertion groove 103, and an outer frame baffle 104; outer frame baffles 104 are arranged on the front and the back of the filter screen shell frame 101; the upper end of the filter screen casing frame 101 is provided with the filter screen plate insertion opening 102, and the inner side surface of the lower end is provided with the filter screen plate insertion opening 102. Two outer frame baffles 104 can be provided to avoid the falling of the screen plates in the screen housing 1.

As shown in fig. 3, as a possible embodiment, the high efficiency filter plate 3 includes a first frame body 301 and a high efficiency filter screen 302; the first frame 301 is provided with the high-efficiency filter screen 302 therein. The high-efficiency filter screen 302 is formed by overlapping, compounding and pleating an antibacterial and antiviral non-woven fabric and an electret melt-blown non-woven fabric, and has antibacterial, bactericidal and antiviral effects.

As shown in fig. 3, as a possible embodiment, the first filter plate 5 includes a third frame 501 and a first filter screen 502; the first filter screen 502 is disposed inside the third frame 501. The first filter plate 5 primarily filters air to remove most of particulate matter and dust.

As shown in fig. 3, as a possible embodiment, the second filter plate 4 includes a second frame 401 and a second filter screen 402, and the second filter screen 402 is disposed inside the second frame 401. The second filter plate 4 performs a secondary filtration to remove fine dust, particles and a part of viruses.

As shown in fig. 3, as a possible implementation manner, the grid plate 6 includes a fourth frame 601 and an L-shaped grid 602, and the L-shaped grid 602 is disposed in the fourth frame 601. The grating plates 6 can effectively block rainwater, and the L-shaped grating 602 adopts an L-shaped design, so that the condition that rainwater enters the filter screen plate along with airflow when a vehicle is in a high-speed state can be avoided.

As a possible implementation mode, the top cover 2 is connected with the filter screen shell 1 through screws, the top cover 2 is opened during later cleaning, and the filter screen plates are taken out through the handles 7 to be cleaned and then installed again.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a new trend filter screen suitable for rail vehicle which characterized in that: comprises a filter screen shell (1), a top cover (2), a high-efficiency filter plate (3), a second filter plate (4), a first filter plate (5), a grating plate (6) and a handle (7); the top cover (2) is arranged at the upper end of the filter screen shell (1), and the high-efficiency filter plate (3), the second filter plate (4), the first filter plate (5) and the grid plate (6) are sequentially arranged in the filter screen shell (1); the upper ends of the high-efficiency filter plate (3), the second filter plate (4), the first filter plate (5) and the grid plate (6) are provided with the handles (7).

2. Fresh air filter screen suitable for rail vehicles according to claim 1, characterized in that the screen housing (1) comprises a screen housing frame (101), a screen plate socket (102), a screen plate slot (103) and an outer frame baffle (104); outer frame baffles (104) are arranged on the front surface and the back surface of the filter screen shell frame (101); the upper end of the filter screen shell frame (101) is provided with the filter screen plate insertion opening (102), and the inner side surface of the lower end is provided with the filter screen plate insertion opening (102).

3. Fresh air filter screen suitable for rail vehicles according to claim 1, characterized in that the high efficiency filter panel (3) comprises a first frame (301) and a high efficiency filter screen (302); the first frame body (301) is internally provided with the efficient filter screen (302).

4. Fresh air filter screen for rail vehicles according to claim 1, characterised in that the first filter plate (5) comprises a third frame (501) and a first filter screen (502); the first filter screen (502) is arranged inside the third frame body (501).

5. Fresh air filter screen for rail vehicles according to claim 1, characterised in that the second filter plate (4) comprises a second frame (401) and a second filter screen (402), the second filter screen (402) being arranged inside the second frame (401).

6. Fresh air filter screen suitable for rail vehicles according to claim 1, characterized in that the grid plate (6) comprises a fourth frame body (601) and an L-shaped grid (602), and the L-shaped grid (602) is arranged in the fourth frame body (601).