CN220826544U

CN220826544U - Air purifying device

Info

Publication number: CN220826544U
Application number: CN202322288406.1U
Authority: CN
Inventors: 蔡凌晓; 吕勇刚; 张春杰; 蔚娟; 武昊; 段春燕; 张义; 郭伟; 畅萧; 袁杰文
Original assignee: Shanxi Xinhua Chemical Defense Equipment Research Institute Co ltd
Current assignee: Shanxi Xinhua Chemical Defense Equipment Research Institute Co ltd
Priority date: 2023-08-25
Filing date: 2023-08-25
Publication date: 2024-04-23
Anticipated expiration: 2033-08-25

Abstract

The utility model relates to the technical field of air purification, in particular to an air purification device which solves the technical problems in the background art, and comprises a front purification module and a central purification module which are arranged on a closed ceiling cavity of a cab, wherein the front purification module comprises a rectangular air inlet cylinder, and a HEPA purification unit and an active carbon purification unit are sequentially arranged in the rectangular air inlet cylinder from outside to inside; the central purification module comprises an air outlet screen plate, a touch display screen, a deep ultraviolet LED sterilization ring, a control circuit board, a centrifugal fan and a cylindrical air outlet shell. The utility model increases the spreading area of the filter material and the passing time of the adsorption material and the air flow as much as possible while maintaining the original structure of the carriage, thereby enhancing the purifying effect; the design of the triangular air outlet holes distributed in a discrete manner is adopted, so that the air flow is ensured to overcome the resistance of the filter material and the adsorption material, and meanwhile, a freight train driver has no obvious wind sensation.

Description

Air purifying device

Technical Field

The utility model relates to the technical field of air purification, in particular to an air purification device.

Background

Freight train cabs are chronically afflicted with environmental problems such as dust erosion in freight yards, pollution of harmful gases in closed spaces of carriages, and the like. Poor hygienic environment and air quality have direct influence on the physical and mental health of drivers. The air purifying device arranged in the freight train cab can effectively remove dust, VOCs and other harmful substances, and is an effective mode for improving the air quality widely recognized at home and abroad.

The current air cleaning devices applied to freight train cabs are roughly divided into two types: one is a freestanding air purification device that needs to be mounted to a corner of a cab by a fixed structure; an air purifying device is designed adaptively by utilizing the existing structure of a freight train cab, but the air purifying device in the form is influenced by space, has limited purifying capacity, and has too concentrated air quantity at a grid type air outlet, and is positioned at the top of the cab to blow air, so that human body discomfort is easily caused.

Disclosure of utility model

The utility model provides an air purifying device, which aims to overcome the technical defects that the existing air purifying device for a freight train cab is limited in purifying capacity and uncomfortable caused by too concentrated air quantity of a grid type air outlet.

The utility model provides an air purification device, which comprises a front purification module and a central purification module which are arranged on a closed ceiling cavity of a cab, wherein the front purification module comprises a rectangular air inlet barrel which is matched with an original grid type air port of the cab, the rectangular air inlet barrel is embedded and arranged on the closed ceiling cavity, the outer port of the rectangular air inlet barrel is connected with a grid cover plate of the grid type air port, a HEPA purification unit and an active carbon purification unit are sequentially arranged in the rectangular air inlet barrel from outside to inside, an air inlet baffle strip is arranged at the inner port of the rectangular air inlet barrel, and the inner port of the rectangular air inlet barrel is communicated with the closed ceiling cavity; the central purification module comprises an air outlet screen plate, a touch display screen, a deep ultraviolet LED sterilization ring, a control circuit board, a centrifugal fan and a cylindrical air outlet shell which is embedded and mounted on a closed ceiling cavity, wherein the inner port of the cylindrical air outlet shell is provided with a fan protection net, the inner port of the cylindrical air outlet shell is communicated with the closed ceiling cavity, a plurality of air outlet through holes are uniformly distributed on the air outlet screen plate, the center of the air outlet screen plate is provided with a mounting through hole, the touch display screen is mounted on the mounting through hole of the air outlet screen plate through a backboard, the air outlet screen plate is fixed to the outer port of the cylindrical air outlet shell, the air outlet screen plate is fixedly connected with the closed ceiling of the cab through a mounting flange, the deep ultraviolet LED sterilization ring, the control circuit board and the centrifugal fan are mounted in the cylindrical air outlet shell, and the centrifugal fan is used for sequentially conveying air of the cab into the cab after passing through the front purification module and the closed ceiling cavity, and the control circuit board is respectively electrically connected with the touch display screen, the deep ultraviolet LED sterilization ring and the centrifugal fan.

In the utility model, the front purification module mainly plays a role in purification through the HEPA purification unit and the activated carbon purification unit, the HEPA purification unit removes dust in a physical interception and electrostatic adsorption mode, and the activated carbon purification unit removes harmful gases in a physical adsorption and chemical decomposition mode. The control circuit board can be connected with a power supply in a cab or is provided with a power supply module, and is a more conventional power connection mode. According to the utility model, the control circuit board can receive output information on the touch display screen, and display corresponding gear information on the touch display screen, and the touch display screen can control the start and stop of the whole air purification device, adjust the wind speed gear and control the start and stop of the centrifugal fan and the deep ultraviolet LED sterilization ring. The air outlet through holes on the air outlet screen plate are distributed in a discrete mode, so that air can be blown out slowly and uniformly, and a driver does not feel uncomfortable.

The specific working process of the utility model is as follows: the touch display screen is operated to control the whole air purification device to be powered on, then the centrifugal fan and the deep ultraviolet LED sterilization ring are controlled to be started, the centrifugal fan forms negative pressure in the cylindrical air outlet shell, air flow sequentially passes through the HEPA purification unit and the activated carbon purification unit from the grid cover plate at the top of the freight transportation cab, enters the airtight suspended ceiling cavity of the cab, air in the airtight suspended ceiling cavity is sucked into the cylindrical air outlet shell under the suction effect of the centrifugal fan, harmful bacteria and viruses can be further killed when the air flow flows through the deep ultraviolet LED sterilization ring, and finally clean air is evenly sent into the cab through the air outlet screen.

Preferably, the air conditioner further comprises a negative ion generator, wherein the negative ion generator is arranged in the cylindrical air outlet shell, and the negative ion generator is electrically connected with the control circuit board. The negative ion generator generates negative oxygen ions, the touch display screen is provided with options for controlling the starting and stopping of the negative ion generator, and the negative ion generator can generate negative ions, so that the negative ions can be carried in the air flow.

Preferably, the air inlet of the centrifugal fan is arranged on the fan protection net through the fan guide cover. The air in the airtight suspended ceiling cavity of the cab can be sucked into the cylindrical air outlet shell through the centrifugal fan, and the fan protection net can effectively prevent foreign matters from entering the centrifugal fan, so that the arrangement is more reasonable.

Preferably, the centrifugal fan is connected to the cylindrical air outlet shell through a fan bracket, and the deep ultraviolet LED sterilization ring, the negative ion generator and the control circuit board are fixedly connected to the fan bracket. Specifically, the negative ion generator can be arranged on the side surface of the fan bracket, one end of the centrifugal fan is connected with the fan bracket, and the other end of the centrifugal fan is inserted into the fan guide sleeve.

Preferably, the air outlet screen plate is an annular plate, and the deep ultraviolet LED sterilization ring and the air outlet screen plate are coaxially arranged. The position of the deep ultraviolet LED sterilization ring ensures that the deep ultraviolet LED sterilization ring is contacted with the airflow as much as possible in a large area, and the sterilization effect is ensured.

Preferably, the air outlet through holes are distributed radially by taking the center of the mounting through hole as the center of a circle. The air outlet through hole is changed from inside to outside from dense to sparse, so that the flow equalizing effect is better.

Preferably, the air outlet through holes are triangular vent holes. Has the functions of modeling and ventilation, and has reasonable arrangement structure.

Preferably, a plurality of connecting pieces are integrally formed at the outer port of the rectangular air inlet cylinder. The connecting piece is arranged between the closed suspended ceiling and the grid cover plate of the cab, and when the closed suspended ceiling is connected with the grid cover plate through bolts, the connecting piece is clamped, and the rectangular air inlet barrel is fixed; specifically, the side wall of the rectangular air inlet cylinder is perpendicular to the connecting sheet.

Compared with the prior art, the technical scheme provided by the utility model has the following advantages: the structure of the air purifying device is designed by utilizing the original fan installation space of the cab, and miniaturized and replacement-free air treatment components are integrated in the central purifying module; the air treatment components which are large in volume and need to be replaced regularly are integrated in the front purification module, so that the original structure of the carriage is maintained, the spreading area of the filtering material and the passing time of the adsorption material and the air flow are increased as much as possible, and the purification effect is enhanced; the grille type air outlet structure of the original fan is abandoned, and the design of the triangular air outlet holes which are distributed in a discrete manner is adopted, so that the air flow is ensured to overcome the resistance of the filter material and the adsorption material, and meanwhile, a freight train driver has no obvious wind sensation; the intelligent control system is adopted, so that the purified air quantity can be automatically regulated according to the air quality of the freight train cab, and the stability of the air quality is ensured.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the utility model and together with the description, serve to explain the principles of the utility model.

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the description of the embodiments or the prior art will be briefly described below, and it will be obvious to those skilled in the art that other drawings can be obtained from these drawings without inventive effort.

FIG. 1 is a schematic view of an air cleaning apparatus according to the present utility model;

FIG. 2 is a schematic diagram of an exploded structure of the central purification module according to the present utility model;

FIG. 3 is a schematic diagram of an explosion structure of a pre-purification module according to the present utility model;

FIG. 4 is a schematic diagram of a touch display screen according to the present utility model;

FIG. 5 is a schematic diagram of the touch display screen of the present utility model when the touch display screen is adjusted to 1 st gear;

FIG. 6 is a schematic diagram of the touch display screen of the present utility model when adjusted to 2-speed;

Fig. 7 is a schematic structural diagram of an air outlet screen of the central purification module according to the present utility model.

In the figure: 1. a central purification module; 2. a front purification module; 3. rectangular air inlet duct; 4. a grille cover plate; 5. a HEPA purification unit; 6. an activated carbon purification unit; 7. an air inlet baffle; 8. an air outlet screen plate; 9. touching the display screen; 10. a deep ultraviolet LED sterilization ring; 11. a control circuit board; 12. a centrifugal fan; 13. a cylindrical air outlet housing; 14. a fan protective net; 15. an air outlet through hole; 16. mounting through holes; 17. a back plate; 18. a negative ion generator; 19. a fan guide cover; 20. a fan bracket; 21. a connecting sheet; 22. and (5) mounting a flange.

Detailed Description

In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be made. It should be noted that, without conflict, the embodiments of the present utility model and features in the embodiments may be combined with each other.

In the description, it should be noted that the terms "first," "second," and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. It should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms described above will be understood by those of ordinary skill in the art as the case may be.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced otherwise than as described herein; it will be apparent that the embodiments in the specification are only some, but not all, embodiments of the utility model.

Specific embodiments of the present utility model will be described in detail below with reference to fig. 1 to 7.

In one embodiment, as shown in fig. 1, an air purifying device is disclosed, which comprises a front purifying module 2 and a central purifying module 1 which are installed on a closed ceiling cavity of a cab, wherein the front purifying module 2 comprises a rectangular air inlet barrel 3 which is matched with an original grid type air inlet of the cab, the rectangular air inlet barrel 3 is installed on the closed ceiling cavity in an embedded manner, an outer port of the rectangular air inlet barrel 3 is connected with a grid cover plate 4 of the grid type air inlet, a HEPA purifying unit 5 and an active carbon purifying unit 6 are sequentially arranged in the rectangular air inlet barrel 3 from outside to inside, an air inlet baffle 7 is arranged at an inner port of the rectangular air inlet barrel 3, and an inner port of the rectangular air inlet barrel 3 is communicated with the closed ceiling cavity; the central purification module 1 comprises an air outlet screen 8, a touch display screen 9, a deep ultraviolet LED sterilization ring 10, a control circuit board 11, a centrifugal fan 12 and a cylindrical air outlet shell 13 which is embedded and mounted on a closed ceiling cavity, wherein a fan protection net 14 is arranged at the inner port of the cylindrical air outlet shell 13, the inner port of the cylindrical air outlet shell 13 is communicated with the closed ceiling cavity, a plurality of air outlet through holes 15 are uniformly distributed on the air outlet screen 8, a mounting through hole 16 is formed in the center of the air outlet screen 8, the touch display screen 9 is mounted at the mounting through hole 16 of the air outlet screen 8 through a backboard 17, the air outlet screen 8 is fixed to the outer port of the cylindrical air outlet shell 13, the air outlet screen 8 is fixedly connected with a closed ceiling of the cab through a mounting flange 22, the deep ultraviolet LED sterilization ring 10, the control circuit board 11 and the centrifugal fan 12 are mounted in the cylindrical air outlet shell 13, and the centrifugal fan 12 is used for sequentially transmitting air of the cab to the cab through the front purification module 2 and the closed ceiling cavity, and the control circuit board 11 is electrically connected with the touch display screen 9, the deep ultraviolet LED sterilization ring 10 and the centrifugal fan 12 respectively.

In the utility model, the front purification module 2 is arranged at the original fan installation space of the cab, the central purification module 1 is arranged at the original grid type air port, and the original space of the cab is utilized to the greatest extent for design. The front purification module 2 mainly plays a role in purification through the HEPA purification unit 5 and the activated carbon purification unit 6, the HEPA purification unit 5 removes dust through physical interception and electrostatic adsorption, and the activated carbon purification unit 6 removes harmful gases through physical adsorption and chemical decomposition. The HEPA purification unit 5 and the active carbon purification unit 6 can be replaced regularly, so that dust and VOCs can be removed effectively, harmful substances such as bacteria and viruses can be killed, and the device has the functions of air circulation and automatic air quality control; and the original structure of the carriage is maintained, and meanwhile, the spreading area of the filtering material and the passing time of the adsorption material and the air flow are increased as much as possible, so that the purifying effect is enhanced. In the present utility model, the filter member which needs to be replaced frequently is provided in the front purification module 2, and the sterilization member which does not need to be replaced frequently is provided in the central purification module 1, so that the arrangement is reasonable. The control circuit board 11 can be connected with a power supply in a cab or provided with a power supply module, which is a more conventional power connection mode. Specifically, the touch display screen 9 may be fixed on the back plate 17 by a back adhesive, and the back plate 17 may be welded to the air outlet screen 8. In the utility model, the control circuit board 11 can receive the output information on the touch display screen 9, display the corresponding gear information on the touch display screen 9, and control the start and stop of the whole air purification device, adjust the wind speed gear and control the start and stop of the centrifugal fan 12 and the deep ultraviolet LED sterilization ring 10 through the touch display screen 9. The air outlet through holes 15 on the air outlet screen plate 8 are distributed in a discrete mode, so that air can be blown out slowly and uniformly, and a driver does not feel uncomfortable.

The specific working process of the utility model is as follows: the whole air purification device is controlled to be powered on by operating the touch display screen 9, then the centrifugal fan 12 and the deep ultraviolet LED sterilization ring 10 are controlled to be started, the centrifugal fan 12 forms negative pressure in the cylindrical air outlet shell 13, air flow sequentially passes through the HEPA purification unit 5 and the activated carbon purification unit 6 from the grid cover plate 4 at the top of the freight transportation cab, enters the airtight ceiling cavity of the cab, then air in the airtight ceiling cavity is sucked into the cylindrical air outlet shell 13 under the suction effect of the centrifugal fan 12, and when the air flow flows through the deep ultraviolet LED sterilization ring 10, harmful bacteria and viruses can be further killed, and finally clean air is evenly delivered into the cab through the air outlet screen 8.

On the basis of the above embodiment, in a preferred embodiment, the air conditioner further comprises a negative ion generator 18, wherein the negative ion generator 18 is installed in the cylindrical air outlet housing 13, and the negative ion generator 18 is electrically connected with the control circuit board 11. The negative ion generator 18 generates negative oxygen ions, the touch display screen 9 is provided with options for controlling the starting and stopping of the negative ion generator 18, and the negative ion generator 18 can generate negative ions, so that the negative ions can be carried in the air flow.

Based on the above embodiment, in a preferred embodiment, the air inlet of the centrifugal fan 12 is covered on the fan protection net 14 by the fan guide cover 19. The air in the closed suspended ceiling cavity of the cab can be sucked into the cylindrical air outlet shell 13 through the centrifugal fan 12, so that the arrangement is more reasonable.

Based on the above embodiment, in a preferred embodiment, the centrifugal fan 12 is connected to the cylindrical air outlet housing 13 through the fan bracket 20, and the deep ultraviolet LED sterilization ring 10, the negative ion generator 18, and the control circuit board 11 are fixedly connected to the fan bracket 20. Specifically, the negative ion generator 18 may be disposed on a side of the fan bracket 20, and one end of the centrifugal fan 12 is connected to the fan bracket 20, and the other end is inserted into the fan guide cover 19.

Based on the above embodiment, in a preferred embodiment, the air outlet screen 8 is an annular plate, and the deep ultraviolet LED sterilization ring 10 is coaxially disposed with the air outlet screen 8. The position of the deep ultraviolet LED sterilization ring 10 ensures that the deep ultraviolet LED sterilization ring is contacted with the air flow as large as possible, and the sterilization effect is ensured.

On the basis of the above embodiment, in a preferred embodiment, the air outlet through holes 15 are radially distributed with the center of the mounting through hole 16 as the center. The air outlet through holes 15 are changed from inside to outside from dense to sparse, so that the flow equalizing effect is better.

Based on the above embodiment, in a preferred embodiment, the air outlet through hole 15 is a triangular vent hole. The arrangement is reasonable in structure, and ensures that the air flow overcomes the resistance of the filtering material and the adsorption material and simultaneously causes no obvious wind sensation to freight train drivers.

On the basis of the above embodiment, in a preferred embodiment, the outer port of the rectangular air inlet cylinder 3 is integrally formed with a plurality of connecting pieces 21. The connecting sheet 21 is arranged between the closed suspended ceiling of the cab and the grid cover plate 4, and the three are connected through bolts; specifically, the side wall of the rectangular air inlet barrel 3 is perpendicular to the connecting sheet 21.

In a specific embodiment, the touch display screen 9 can display the air volume through 24 clock disk lattices, the clock disk center can also display the ambient temperature and humidity, the lower left corner can display PM2.5, and the lowest row can be sequentially set as a power key, a timing-key, an air volume key, a timing +key, a mode key and the like. The intelligent control mode can be selected by touching the mode key, the mode can automatically adjust the purified air quantity according to the air quality of the freight train cab, ensure the air quality to reach the standard stably, and the mode key can be used for selecting whether the deep ultraviolet LED sterilization ring 10 and the negative ion generator 18 are started or not. The central purification module 1 can switch 6-gear air volume display, 4 clock grids are displayed on each gear of air volume, and the clock grids are accumulated in sequence, and the air volume display effects of 1 gear and 2 gears are shown in the figure.

The foregoing is only a specific embodiment of the utility model to enable those skilled in the art to understand or practice the utility model. Although described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the embodiments, and they should be construed as covering the scope of the appended claims.

Claims

1. The utility model provides an air purification device, a serial communication port, including installing leading purification module (2) and central purification module (1) on the airtight furred ceiling cavity of cab, leading purification module (2) include with the original grille type wind gap adaptation of cab rectangle inlet tube (3), rectangle inlet tube (3) embedded mounting is to airtight furred ceiling cavity on, the outer port of rectangle inlet tube (3) is connected with grille cover plate (4) of grille type wind gap, HEPA purification unit (5) and active carbon purification unit (6) have been set gradually in rectangle inlet tube (3) from outside to inside, the inner port of rectangle inlet tube (3) is provided with air inlet shelves (7), the interior port of rectangle inlet tube (3) communicates with airtight furred ceiling cavity; the central purification module (1) comprises an air outlet screen plate (8), a touch display screen (9), a deep ultraviolet LED sterilization ring (10), a control circuit board (11), a centrifugal fan (12) and a cylindrical air outlet shell (13) which is embedded and mounted on a closed ceiling cavity, wherein a fan protection net (14) is arranged at the inner port of the cylindrical air outlet shell (13), the inner port of the cylindrical air outlet shell (13) is communicated with the closed ceiling cavity, a plurality of air outlet through holes (15) are uniformly distributed on the air outlet screen plate (8), a mounting through hole (16) is formed in the center of the air outlet screen plate (8), the touch display screen (9) is mounted at the mounting through hole (16) of the air outlet screen plate (8) through a back plate (17), the air outlet screen plate (8) is fixed to the outer port of the cylindrical air outlet shell (13), the air outlet screen plate (8) is fixedly connected with the closed ceiling of a cab through a mounting flange (22), the ultraviolet LED sterilization ring (10), the control circuit board (11) and the centrifugal fan (12) are mounted in the cylindrical air outlet shell (13), the centrifugal fan (12) is used for sequentially purifying the air in the cab through the front module (2) and the control circuit board (8) and the air outlet screen (8) which is sequentially arranged in the closed ceiling cavity (2) The deep ultraviolet LED sterilization ring (10) is electrically connected with the centrifugal fan (12).

2. An air cleaning device according to claim 1, further comprising a negative ion generator (18), the negative ion generator (18) being mounted in the cylindrical air outlet housing (13), the negative ion generator (18) being electrically connected to the control circuit board (11).

3. An air cleaning device according to claim 1, wherein the air inlet of the centrifugal fan (12) is covered on the fan protection net (14) by a fan guide cover (19).

4. An air cleaning device according to claim 2, characterized in that the centrifugal fan (12) is connected to the cylindrical air outlet housing (13) through a fan bracket (20), and the deep ultraviolet LED sterilization ring (10), the negative ion generator (18) and the control circuit board (11) are fixedly connected to the fan bracket (20).

5. An air cleaning device according to any one of claims 1-4, wherein the air outlet screen (8) is an annular plate, and the deep ultraviolet LED sterilization ring (10) is coaxially arranged with the air outlet screen (8).

6. An air cleaning apparatus according to claim 5, wherein the air outlet through holes (15) are radially distributed with the center of the mounting through hole (16) as the center.

7. An air cleaning device according to claim 6, wherein the air outlet opening (15) is a triangular vent.

8. An air cleaning device according to claim 7, wherein the outer port of the rectangular air inlet duct (3) is integrally formed with a plurality of connecting pieces (21).