CN219300887U

CN219300887U - Air disinfection device for van-type elevator

Info

Publication number: CN219300887U
Application number: CN202320373915.1U
Authority: CN
Inventors: 陆烨; 罗毅解; 李晔; 胡国庆
Original assignee: Zhejiang Peijieer Medical Technology Co ltd; Zhejiang Center for Disease Control and Prevention
Current assignee: Zhejiang Peijieer Medical Technology Co ltd; Zhejiang Center for Disease Control and Prevention
Priority date: 2023-02-22
Filing date: 2023-02-22
Publication date: 2023-07-04
Anticipated expiration: 2033-02-22

Abstract

The utility model discloses an air sterilizing device for a van elevator, which comprises an air sterilizing channel (1), wherein the air inlet end of the air sterilizing channel (1) is communicated with an air return channel (11) and a fresh air channel (12), the air return channel (11) is communicated with an air return opening at the lower part of an elevator car (14), the air outlet end of the air sterilizing channel (1) is communicated with a fresh air opening of an elevator air conditioner (13), the air supply opening of the elevator air conditioner (13) is communicated with an air inlet at the top of the elevator car (14), and a plasma air sterilizing device (2) is arranged in the air sterilizing channel (1). The utility model has the characteristics of complete disinfection, cross infection prevention and man-machine coexistence realization.

Description

Air disinfection device for van-type elevator

Technical Field

The utility model relates to an air disinfection device, in particular to an air disinfection device for a van elevator.

Background

In order to ensure the cleanliness of an elevator car and the health of passengers, a sterilizing device is generally adopted to sterilize the elevator car in the existing elevator in the market. The existing disinfection device is generally an ultraviolet disinfection device or filtering equipment, and like the ultraviolet disinfection device, a disinfection blind area exists, a place which can be irradiated can be disinfected, bacteria in the place which cannot be irradiated and some dead angles cannot be treated, and ultraviolet rays and the like can cause ageing on plastic products such as PVC materials, so that the service life is influenced, and the coexistence of human and machine cannot be achieved; the air filtering device only isolates germs in the elevator car on the filtering device through the action of air flow, so that the germs cannot be transmitted to the outside of the elevator, but the effect of killing viruses is not really achieved, as time passes, the viruses accumulated on the surface of the filter are more and more, the risk of virus infection to elevator passengers is greater, cross infection is easy to occur, and secondary pollution is caused when the filter screen is replaced by the viruses accumulated on the surface of the filter. Therefore, the existing ultraviolet disinfection device has disinfection dead angles and cannot coexist between human and machine; and the filtering equipment has the risks of cross infection and secondary pollution.

Disclosure of Invention

The object of the utility model is to provide an air disinfection device for a car elevator. The utility model has the characteristics of complete disinfection, cross infection prevention and man-machine coexistence realization.

The technical scheme of the utility model is as follows: the utility model provides an air sterilizing device for van-type elevator, includes the air current disinfection passageway, and the air inlet end of air current disinfection passageway all communicates with return air passageway and new trend passageway, and return air passageway communicates with the return air inlet of elevator car lower part, and the air outlet end of air current disinfection passageway communicates with the new trend mouth of elevator air conditioner, and the supply-air outlet of elevator air conditioner communicates with the air intake at elevator car top, is equipped with plasma air sterilizing device in the air current disinfection passageway.

In the aforesaid an air sterilizing device for van elevator, plasma air sterilizing device includes the shell, is equipped with the plasma reactor that a plurality of said vertically distributes in the shell, is equipped with vertical division board between the adjacent plasma reactor, forms first circulation mouth between plasma reactor and the shell inner wall, forms the second circulation mouth between division board and the shell inner wall, and first circulation mouth and second circulation mouth are crisscross distributed from top to bottom, and the both ends of shell are equipped with import and export respectively, and the air current forms the flow channel of S form in the shell.

In the air disinfection device for the van elevator, a cavity is formed in the isolation plate, sound absorbing cotton is arranged in the cavity, one surface of the isolation plate is a first wavy surface, the other surface of the isolation plate is a magnetic surface, a small hole communicated with the cavity is formed in a trough of the first wavy surface, and one surface of the sound absorbing cotton facing the small hole is a second wavy surface.

In the air sterilizing device for the van elevator, the inlet, the outlet, the first flow port and the second flow port are all provided with the filter assembly.

In the aforesaid an air disinfection device for van-type elevator, the filter component includes the mounting panel, and the side of mounting panel is equipped with the mounting groove, and sliding connection has the filter screen group that comprises coarse filter screen, HEPA filter screen and active carbon filter screen in the mounting groove, and the outer end of filter screen group is equipped with the mounting.

The air disinfection device for a van elevator is characterized in that: the elevator car also comprises an air quality sensor positioned in the elevator car, wherein the air quality sensor is connected with a microcontroller, and the microcontroller is electrically connected with the plasma air disinfection device.

Compared with the prior art, the utility model has the advantages that the air return channel and the fresh air channel are communicated with the fresh air port of the elevator air conditioner through the air flow disinfection channel, and the plasma air disinfection device is arranged in the air flow disinfection channel. The air inlet end of the air flow disinfection channel is communicated with the air return channel and the fresh air channel, the air return channel is communicated with the air return opening at the lower part of the elevator car, the air outlet end of the air flow disinfection channel is communicated with the fresh air opening of the elevator air conditioner, the air supply opening of the elevator air conditioner is communicated with the air inlet at the top of the elevator car, the air flow forms a flowing form of upward and downward return in the elevator car, the dirty air in the elevator car is downwards pressed and sucked into the air return channel, the air in the air return channel and the external fresh air in the fresh air channel firstly enter the air flow disinfection channel to be disinfected by the plasma air disinfection device, then enter the elevator air conditioner to be treated, and then enter the elevator car, so that clean and disinfected air is provided for the elevator car, and the effects of comprehensive disinfection of the air, cross infection prevention and human-computer coexistence are realized; the pollution of pollutants to the air conditioner can be reduced, and the service life and the working effect of the air conditioner are improved.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic structural view of a separator;

fig. 3 is a schematic view of the structure of the filter assembly.

The marks in the drawings are: 1. an air flow disinfection channel; 11. a return air channel; 12. a fresh air channel; 13. an elevator air conditioner; 14. an elevator car; 2. a plasma air sterilizing device; 21. a housing; 22. a plasma reactor; 23. a partition plate; 241. a first flow port; 242. a second flow port; 25. an inlet; 26. an outlet; 27. a flow channel; 31. a cavity; 32. sound absorbing cotton; 331. a first wavy surface; 332. a magnetic surface; 34. a small hole; 35. a second wavy surface; 4. a filter assembly; 41. a mounting plate; 42. a coarse filter screen; 43. HEPA filter screen; 44. an active carbon filter screen; 45. a fixing member; 51. an air quality sensor; 52. and a microcontroller.

Detailed Description

The utility model is further illustrated by the following figures and examples, which are not intended to be limiting.

Examples

As shown in fig. 1-3, an air sterilizing device for a van elevator comprises an air sterilizing channel 1, wherein the air inlet end of the air sterilizing channel 1 is communicated with a return air channel 11 and a fresh air channel 12, the air outlet end of the air sterilizing channel 1 is communicated with a fresh air port of an elevator air conditioner 13, and a plasma air sterilizing device 2 is arranged in the air sterilizing channel 1.

Wherein, return air passageway 11 communicates with the return air inlet of elevator car 14 both sides lower part, and fresh air passageway, air current disinfection passageway 1 and elevator air conditioner 13 all are located the outside top of elevator car, and fresh air passageway still communicates with the external world, and elevator air conditioner 13's supply-air inlet and elevator car 14 top air intake intercommunication form and send down the air current flow form that returns, effectively prevent to take advantage of cross infection between the ladder personnel. The dirty air in the elevator car is pressed down and sucked into the return air channel 11, the air in the return air channel 11 and the external fresh air in the fresh air channel 12 enter the air flow disinfection channel 1 to be disinfected by the plasma air disinfection device 2, then enter the elevator air conditioner 13 to be treated, and then enter the elevator car 14, so that clean and disinfected air is provided for the elevator car 14, and the effects of comprehensive disinfection of the air, cross infection prevention and human-computer coexistence are realized; the pollution of pollutants to the elevator air conditioner 13 can be reduced, and the service life and the working effect of the elevator air conditioner 13 are improved.

The plasma air sterilizing device 2 comprises a housing 21, a plurality of plasma reactors 22 vertically distributed are arranged in the housing 21, vertical separation plates 23 are arranged between the adjacent plasma reactors 22, a first circulation port 241 is formed between the plasma reactors 22 and the inner wall of the housing 21, a second circulation port 242 is formed between the separation plates 23 and the inner wall of the housing 21, the first circulation port 241 and the second circulation port 242 are vertically staggered, an inlet 25 and an outlet 26 are respectively arranged at two ends of the housing 21, and an S-shaped flow channel 27 is formed in the housing 21 by air flow. The plasma air sterilizing device is provided with the isolating plates and the plasma reactors which are distributed at intervals, and the first flow port 241 and the second flow port 242 which are staggered up and down are reserved, so that a sterilizing space in the plasma air sterilizing device is isolated into a bent shape, a sterilizing path and a sterilizing time are prolonged, and a sterilizing effect is improved.

The isolation board 23 is internally provided with a cavity 31, sound absorbing cotton 32 is arranged in the cavity 31, one surface of the isolation board 23 is a first wavy surface 331, the other surface of the isolation board is a magnetic surface 332, a small hole 34 communicated with the cavity 31 is arranged at the trough of the first wavy surface 331, and one surface of the sound absorbing cotton 32 facing the small hole 34 is a second wavy surface 35. The surface of the isolation plate 23 is provided with a first wavy surface 331 with small holes 34, so that the strength of the isolation plate 23 is increased, the deformation caused by air flow impact is prevented, and the noise in the air flow is reduced; the other surface is provided with the magnetic surface 332, so that magnetic particles in the air can be adsorbed and removed, and the air purification effect is improved.

Further, the sound absorbing cotton is provided inside the partition plate 23 to improve the effect of absorbing noise carried in the air.

The inlet 25, the outlet 26, the first flow port 241 and the second flow port 242 are provided with filter assemblies 4. The designed filter assembly can filter and purify air, reduce the flow speed of air flow, prolong the disinfection time and improve the disinfection effect of the plasma reactor.

The filter assembly 4 comprises a mounting plate 41, a mounting groove is formed in the side face of the mounting plate 41, a filter screen group consisting of a coarse filter screen 42, a HEPA filter screen 43 and an active carbon filter screen 44 is slidably connected in the mounting groove, the coarse filter screen 42, the HEPA filter screen 43 and the active carbon filter screen 44 are sequentially arranged along the airflow flowing direction, and a fixing piece 45 used for fixing the coarse filter screen 42, the HEPA filter screen 43 and the active carbon filter screen 44 is arranged at the outer end of the filter screen group. The size of the space exposed outside of the filter screen group is adjusted by moving the filter screen group along the mounting groove, so that the actual use area of the filter screen group can be adjusted according to different air openings to adapt to different circulation calibers; when the external working part of the filter screen group is dirty, the filter screen group can be moved, and the clean part of the filter screen group hidden in the installation groove replaces the original part to carry out the filtering treatment, so that the service life of the filter assembly 4 is prolonged.

Also included is an air quality sensor 51 located within elevator car 14, air quality sensor 51 being connected to a microcontroller 52, microcontroller 52 being electrically connected to plasma air disinfection device 2. The air quality sensor 51 includes a temperature and humidity sensor, a PM2.5 sensor, a formaldehyde sensor, a TVOC sensor, and CO ₂ A sensor, etc.

Working principle: using air quality sensors 51, e.g. temperature and humidity sensors, PM2.5 sensors, formaldehyde sensors, TVOC sensors, CO ₂ The air quality parameters before non-sterilization are collected by a sensor and the like, the plasma air sterilizing device 2 is controlled by the microcontroller 52 to start, and the air flows entering from the return air channel 11 and the fresh air channel 12 enter an S-shaped circulation channel of the plasma air sterilizing device to sterilize. Wherein, the inlet 25, the outlet 26, the first flow port 241 and the second flow port 242 are all provided with the filter assembly 4, so that the flow speed of the air flow is reduced, the disinfection time is prolonged, and the multi-stage and full filtering, sterilizing and disinfecting effects are realized; the surface of the isolation plate 23 is provided with a first wavy surface 331 with small holes 34, so that the strength of the isolation plate 23 is increased, deformation caused by air flow impact is prevented, and when the isolation plate contacts with sound waves carried in air flow, the sound waves are reflected back and forth on the first wavy surface 331 to be consumed, and noise in the air flow is reduced; the remaining sound waves enter the cavity 31 through the small holes 34 and are further reflected and absorbed by the second wavy surface 35 of the sound absorbing cotton 32, thereby greatly reducing noise. The other surface is provided with the magnetic surface 332, so that magnetic particles in the air can be adsorbed and removed, and the air purification effect is improved. The air after noise reduction, disinfection and purification enters the elevator air conditioner 13, so that the pollution of pollutants to the elevator air conditioner 13 is reduced, and the elevator air conditioner 13 is improvedService life and work effect, clean air is then output to the air inlet of the elevator car 14 through the elevator air conditioner 13, so that the cleanliness and silence of the air in the car are ensured, and the health and comfort of passengers are ensured. Wherein, return air passageway 11 communicates with the return air inlet of elevator car 14 both sides lower part, and fresh air passageway, air current disinfection passageway 1 and elevator air conditioner 13 all are located elevator car's outside top, and elevator car 14's air intake sets up in elevator car 14's top, and the air current forms the flow form that returns from top to bottom in elevator car, can effectively prevent to take advantage of cross infection between the elevator personnel.

The utility model is not described in detail in the prior art.

Claims

1. An air disinfection device for a van elevator, characterized in that: including air current disinfection passageway (1), the air inlet end of air current disinfection passageway (1) all communicates with return air passageway (11) and new trend passageway (12), and return air passageway (11) communicate with the return air inlet of elevator car (14) lower part, and the air-out end of air current disinfection passageway (1) communicates with the new trend mouth of elevator air conditioner (13), and the air supply opening of elevator air conditioner (13) communicates with the air intake at elevator car (14) top, is equipped with plasma air degassing unit (2) in air current disinfection passageway (1).

2. An air disinfection apparatus for a car elevator according to claim 1, characterized in that: the plasma air disinfection device (2) comprises a shell (21), a plurality of plasma reactors (22) which are vertically distributed are arranged in the shell (21), vertical separation plates (23) are arranged between the adjacent plasma reactors (22), a first flow opening (241) is formed between each plasma reactor (22) and the inner wall of the shell (21), a second flow opening (242) is formed between each separation plate (23) and the inner wall of the shell (21), the first flow opening (241) and the second flow opening (242) are distributed in a vertically staggered mode, an inlet (25) and an outlet (26) are respectively arranged at two ends of the shell (21), and an S-shaped flow channel (27) is formed in the shell (21) by air flow.

3. An air disinfection apparatus for a car elevator according to claim 2, characterized in that: the novel sound absorbing structure is characterized in that a cavity (31) is formed in the isolation plate (23), sound absorbing cotton (32) is arranged in the cavity (31), one surface of the isolation plate (23) is a first wavy surface (331), the other surface of the isolation plate is a magnetic surface (332), small holes (34) communicated with the cavity (31) are formed in the trough of the first wavy surface (331), and one surface, facing the small holes (34), of the sound absorbing cotton (32) is a second wavy surface (35).

4. An air disinfection apparatus for a car elevator according to claim 2, characterized in that: the inlet (25), the outlet (26), the first flow port (241) and the second flow port (242) are respectively provided with a filter component (4).

5. An air sterilizer for a van elevator according to claim 4, wherein: the filter assembly (4) comprises a mounting plate (41), a mounting groove is formed in the side face of the mounting plate (41), a filter screen group consisting of a coarse filter screen (42), a HEPA filter screen (43) and an active carbon filter screen (44) is connected in a sliding mode in the mounting groove, and a fixing piece (45) is arranged at the outer end of the filter screen group.

6. An air disinfection apparatus for a car elevator according to claim 1, characterized in that: the elevator car also comprises an air quality sensor (51) positioned in the elevator car (14), wherein the air quality sensor (51) is connected with a microcontroller (52), and the microcontroller (52) is electrically connected with the plasma air sterilizing device (2).