CN114011814A

CN114011814A - A device for cleaning and disinfecting air ducts of air conditioners

Info

Publication number: CN114011814A
Application number: CN202111451072.4A
Authority: CN
Inventors: 李贺; 王丽慧; 孙婵娟; 任儒; 王峥; 白梓丁
Original assignee: University of Shanghai for Science and Technology
Current assignee: University of Shanghai for Science and Technology
Priority date: 2021-12-01
Filing date: 2021-12-01
Publication date: 2022-02-08
Anticipated expiration: 2041-12-01
Also published as: CN114011814B

Abstract

The invention discloses an air-conditioning air duct cleaning, disinfecting and killing device, which comprises a device shell, wherein an axial flow fan is arranged in the device shell, a fan shell is arranged at the periphery of the axial flow fan, variable-diameter air ducts are arranged at two ends of the fan shell, the other ends of the two variable-diameter air ducts are respectively communicated with two ends of the device shell, a dust collection assembly and an air flow homogenizer are respectively fixed at the head end and the tail end, the dust collection assembly comprises a dust collection shell, the dust collection shell is provided with a dust collection box, a camera, an LED lamp set and a dust collection port, the dust collection port is communicated with the dust collection box, two ends of the fan shell are fixed with the two variable-diameter air ducts, 4 vacant areas are formed in the shell, a medicament disinfecting and killing assembly is arranged in the upper control area, a quaternary ammonium salt solution is arranged in the lower vacant area, a power supply and a control system are arranged in the lower vacant area to control the operation of the assemblies, electric idler wheels are arranged at the bottom of the shell, and ultraviolet lamps are arranged at the periphery of the tail part of the shell Chemical disinfection and ultraviolet disinfection carry out the all-round disinfection to the tuber pipe inside, possess the efficient characteristics of disinfecting.

Description

Air-conditioning air pipe cleaning and sterilizing device

Technical Field

The invention relates to the field of air purification, in particular to an air-conditioning air pipe cleaning and disinfecting device.

Background

In air conditioning systems, the ductwork performs the function of clean air delivery and distribution. After the central air-conditioning system is used for a long time, a lot of micro particles are deposited on the inner surface of the air-conditioning air pipe, particularly in southern areas, the air-conditioning air pipe is wet in summer, microbes such as bacteria are easily bred in the air-conditioning air pipe, if the microbes are irregularly cleaned and killed, part of bacteria or fine particles can be wrapped by airflow sent to the interior of a room through the air-conditioning air pipe, and the health of indoor personnel is threatened. In consideration of the problem of air health, the air pipe needs to be cleaned and sterilized regularly. According to the prior art disclosures, the invention patent of "ultraviolet light catalyst air sterilizing device of ventilation air duct" with patent number "CN 206026741U" and the invention patent of "CN 112665091A" are a gas sterilizing device, wherein the invention specifically discloses that the ultraviolet light and the photocatalyst are used for sterilizing the gas flowing through, but the inner wall of the air duct cannot be cleaned and sterilized. Therefore, there is a need to provide a cleaning and disinfecting device for an air adjusting pipe to solve the above problems in the prior art.

Disclosure of Invention

The invention aims to solve the problems and provides an air-conditioning air pipe cleaning and killing device which comprises a device shell, wherein an axial flow fan is arranged in the device shell, a dust collection assembly and an airflow homogenizer are respectively arranged at two ends of the device shell, and the device shell realizes the unidirectional flow of air from the dust collection assembly to the airflow homogenizer through the axial flow fan; the dust collection assembly comprises a dust collection shell, the dust collection shell is detachably connected to the air inlet of the device shell, and the side wall of the dust collection shell is at least provided with a dust collection port;

the device shell is internally provided with a middle-effect filter, and the middle-effect filter is arranged at the air inlet of the dust collection shell;

the device shell is further provided with a medicament killing assembly, the medicament killing assembly is arranged above the axial flow fan, the outer side of the end opening of one end of the airflow homogenizer of the device shell is provided with at least one ultraviolet lamp, and the bottom of the device shell is further provided with an electric roller which enables the device to move.

The device further comprises a power supply and a control system, wherein the power supply is electrically connected with electrical elements in the device, and the control system controls the start and stop of the electric roller, the ultraviolet lamp, the axial flow fan and the dust collection assembly.

Furthermore, a fan housing is fixed on the periphery of the axial flow fan, an air inlet of the fan housing is communicated with an air inlet of the device housing through a variable diameter air pipe, and an air outlet of the fan housing is communicated with an air outlet of the device housing through another variable diameter air pipe.

Furthermore, two reducing tuber pipe and fan shell in four sides of device casing inside all form the vacant region, power and control system locate fan shell below in the vacant system region, the medicament disappears and kills the subassembly and locate in the vacant region of fan shell top.

Further, the medicament killing assembly comprises a medicament box and a medicament spray pipe, wherein the medicament box is provided with a medicament feeding port, and the medicament feeding port is arranged on the upper surface of the device shell; the medicine spray pipe comprises a medicine guide pipe and a spray head, two ends of the medicine guide pipe are respectively communicated with the medicine box and the spray head, and one end of the medicine guide pipe, which is connected with the spray head, extends into a reducing air pipe positioned at one end of the airflow homogenizer; the spray head of the medicine spray pipe is arranged at the same horizontal height with the center of the axial flow fan, and the spray head is arranged towards the bottom of the reducing air pipe.

Furthermore, the dust collection shell is also provided with a camera, a dust collection box and an LED lamp group, the dust collection box and the camera are respectively arranged at two ends of the dust collection shell, the interior of the dust collection box is communicated with the dust collection port, and the dust collection shell is detachably connected to the end part of the device shell through the dust collection box; the LED lamp group is adjacent to the camera.

Furthermore, the number of the dust suction ports is 4, and the 4 dust suction ports are respectively positioned on the periphery of the dust suction shell;

the dust collection port is made of soft materials and has a height adjusting function, and the control system controls the dust collection port to adjust the height so that the dust collection port is tightly attached to the inner wall of the air-conditioning air pipe.

Furthermore, the periphery of the ultraviolet lamp is wrapped by a half-wall type high-reflectivity material which enables ultraviolet rays to irradiate the inner wall of the air pipe.

Furthermore, the shapes of the ultraviolet lamp, the dust suction port and the electric roller are determined according to the shape of the air-conditioning air duct.

Compared with the prior art, the invention has the following beneficial effects: the dust collection assembly is provided with a camera, has visual conditions, can search key polluted areas in the air conditioner through the camera, and can perform key and repeated residence; the air conditioner air duct is internally disinfected and killed in an all-round way through chemical disinfection, physical disinfection and ultraviolet disinfection, and has the characteristic of high disinfection and killing efficiency.

Drawings

FIG. 1 is a structural diagram of an air duct cleaning and disinfecting device of an air conditioner;

FIG. 2 is a perspective block diagram of FIG. 1;

FIG. 3 is a schematic position diagram of a variable diameter air duct and an axial flow fan;

fig. 4 is a schematic structural view of the chemical sterilizing assembly.

In the figure, 1, a device housing; 2. an axial flow fan; 3. a fan housing; 4. a variable diameter air duct; 5. a gas flow homogenizer; 6. a medium-efficiency filter screen; 7. a dust collection housing; 8. a dust collection box; 9. a camera; 10. an LED lamp group; 11. a dust suction port; 12. a medicament killing assembly; 121. a medicine adding port; 122. a medicament flow guide tube; 123. a spray head; 13. a power source; 14. a control device; 15. an ultraviolet lamp; 16. an electric roller.

Detailed Description

A more detailed description of an air conditioner duct cleaning and disinfecting device according to the present invention will be given below in conjunction with the accompanying schematic drawings, in which preferred embodiments of the present invention are shown, it being understood that a person skilled in the art may modify the invention described herein while still achieving the advantageous effects of the present invention, and therefore the following description should be understood as being widely known to a person skilled in the art and not as limiting the present invention.

In the description of the present invention, it should be noted that, for the terms of orientation, such as "central", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the terms of orientation and positional relationship indicate the orientation or positional relationship illustrated in the drawings, which are merely for the convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and should not be construed as limiting the specific scope of protection of the present invention

As shown in fig. 1 and 3, the air-conditioning duct cleaning, disinfecting and killing device comprises a device shell 1, wherein a dust collection assembly and an airflow homogenizer 5 are respectively arranged at two ends of the device shell 1, an axial flow fan 2 is arranged inside the device shell 1, a fan shell 3 is arranged around the axial flow fan 2, two ends of the fan shell 3 are respectively connected and fixed with variable diameter air ducts 4, and the other ends of the two variable diameter air ducts 4 are respectively communicated with two ends of the device shell 1.

Referring to fig. 2 and 4, the variable diameter duct 4 is a square-mouth and round-mouth duct, and the variable diameter duct 4 and the blower housing 3 form an upper, a lower, a front and a rear 4 vacant areas between the inside of the device housing 1 and the inner wall of the device housing 1, wherein a chemical sterilizing component 12 is arranged in the vacant area above; in the lower vacant area, a power supply 13 and a control device 14 are provided. The reagent sterilizing component 12 comprises a reagent box and a reagent spray pipe, the upper surface of the reagent box is provided with a reagent feeding port 121, and the quaternary ammonium salt sterilizing solution is fed into the reagent box from the reagent feeding port 121; the medicine spray tube includes medicament honeycomb duct 122 and shower nozzle 123, and medicament honeycomb duct 122 one end intercommunication medicament case, other end are connected and are communicated shower nozzle 123, and this one end that is connected with shower nozzle 123 stretches into in the reducing tuber pipe 4 that is provided with this one end of air current homogenizer 5, and the shower nozzle is the same with the horizontal height at 123 axial fan 5 center, and the spout of shower nozzle is down, helps the maximize to atomize quaternary ammonium salt solution. Wherein, the airflow homogenizer 5 is an airflow uniform distribution plate, which can make the airflow with quaternary ammonium salt solution uniformly sent out of the cleaning and sterilizing device of the air-conditioning air pipe.

The dust collection assembly comprises a dust collection shell 7, a dust collection port 11, a camera 9, an LED lamp group 10 and a dust collection box 8,

the dust collection box comprises a dust collection shell 7, a

dust collection box

10 and 4 LED lamp sets, wherein the dust collection openings 11 comprise 4, the 4 dust collection openings 11 are respectively arranged on 4 side faces of the dust collection shell 7, the cameras 9 and the dust collection box 8 are respectively arranged on the left end face and the right end face of the dust collection shell 7, and the LED lamp sets 10 comprise a plurality of LED lamps. The camera 9 and the LED lamp group 10 are both connected with a power supply 13 in a circuit mode, and the LED lamp group 10 can be controlled to be turned on and off through a control system 14. The dust collection box 8 is communicated with the 4 dust suction ports 11, so that dust sucked from the dust suction ports 11 can enter the dust collection box 8. The dust collection box 8 is integrated with the dust collection housing 7, and is provided with an opening surface facing the end surface of the device housing 1, and the opening and the port of the device housing 1 are provided with the middle efficiency filter screen 6. Dust absorption casing 7 is connected fixedly through joint detachable with device casing 1, and the corresponding cooperation of device casing 1 is provided with the step, and 7 joints of dust absorption casing are in step department, and above-mentioned well effect filter screen 6 sets up inside dust absorption casing 7, and is blocked in the terminal surface department of device casing 1 by dust absorption casing 7, plays the effect of filtering tiny granule.

The invention relates to a dust absorption component, belonging to physical disinfection and chemical disinfection, and an ultraviolet disinfection device. The specific setting of ultraviolet sterilization is that the side edge of the end part of the device shell 1 which is positioned at one end of the air flow homogenizer 5 is provided with ultraviolet lamps 15, the number of the ultraviolet lamps 15 is at least one, the invention is provided with 4, and 4 ultraviolet lamps 15 are respectively arranged on 4 side edges of the device shell 1.

It is worth noting that in the present invention, the 4 dust suction ports 11 are made of soft material, the height of which can be adjusted in a telescopic manner, and the 4 dust suction ports 11 are controlled by the control system 14 to be tightly attached to the inside of the air duct. The ultraviolet lamp 15 is surrounded by a half-wall type high-reflectivity material, so that ultraviolet rays emitted by the ultraviolet lamp 15 mainly irradiate the inner wall of the air pipe, and the ultraviolet lamp 15 is in circuit communication with the power supply 13. The control system 14 controls the turning on and off of the ultraviolet lamp 15. The 4 dust suction ports 11 can be communicated with a power supply 13, the control system 14 drives the dust suction ports 11 to ascend and descend through a circuit, and the height can also be directly adjusted manually.

In order to facilitate the movement of the air conditioner air duct, electric rollers 16 are arranged at the bottom of the device shell 1, and the number of the electric rollers 16 is 4, and the electric rollers are respectively arranged at 4 corners of the bottom of the device shell 1. The electric roller 16 is in circuit communication with the power supply 13, and the control system 14 is used for realizing the advancing, retreating and stopping of the electric roller 16.

Aiming at the circular air duct, the dust suction port 11, the ultraviolet lamp 15 and the electric roller 13 can be designed and optimized in different shapes, and are not limited to be square or rectangular so as to meet the actual requirement.

The invention has the following cleaning process for the dust in the air-conditioning air duct: the invention enters the air pipe, the inner environment of the air pipe is observed through the camera 9, meanwhile, the air pipe runs inwards through the electric roller 16, the height of the dust collection port 11 is adjusted according to the air pipe, and the air pipe is controlled to be in a key pollution area through the control system 14 so as to carry out key and repeated residence. The dust suction port 11 sucks fine particles in the air duct into the device, the fine particles are filtered by the medium-efficiency filter screen 6 and are blocked in the dust collection box 8, and first disinfection and killing, namely physical disinfection and killing, are completed; the clean air filtered by the middle-effect filter screen 6 enters the right reducing air pipe 4 through the left reducing air pipe 4 and the middle axial flow fan 2, the prepared quaternary ammonium salt killing solution is contained in the chemical box and is sprayed out of the right reducing air pipe 4 under the action of the chemical spray pipe, and the quaternary ammonium salt killing solution sprayed out of the chemical spray pipe is sucked by the clean air flow of the axial flow fan 2 and flows to the air flow homogenizer 5; the clean air mixed with the quaternary ammonium salt sterilizing solution treated by the airflow homogenizer 5 is sprayed to the rear side of the device, secondary sterilization is carried out on the cleaned area, the secondary sterilization is chemical sterilization, and the ultraviolet lamp 15 positioned on the surface of the tail end of the device carries out third sterilization on the area which is subjected to the secondary sterilization, and the third sterilization is ultraviolet sterilization. The invention organically combines the technologies of physical cleaning, chemical disinfection, ultraviolet disinfection and the like together to carry out comprehensive disinfection and killing on the inner wall of the air pipe step by step, and has the advantage of high disinfection and killing efficiency.

The above description is only a preferred embodiment of the present invention, and does not limit the present invention in any way. It will be understood by those skilled in the art that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. An air-conditioning air duct cleaning and disinfecting device, characterized in that it comprises a device housing, an axial flow fan is provided inside the device housing, and both ends of the device housing are respectively provided with a dust collection assembly and an air flow homogenization The device casing realizes the unidirectional flow of wind from the dust suction assembly to the airflow homogenizer through the axial flow fan; the dust suction assembly includes a dust suction casing, and the dust suction casing is detachably connected to The air inlet of the device casing, and the side wall of the dust suction casing is provided with at least one dust suction port;

The device casing is provided with a medium-efficiency filter, and the medium-efficiency filter is arranged at the air inlet position of the dust suction casing;

The device casing is further provided with a medicament disinfecting component, the medicament disinfecting component is arranged above the axial flow fan, and the device casing is provided with at least one ultraviolet lamp outside one end port of the airflow homogenizer , the bottom of the device casing is also provided with an electric roller for moving the device.

2. An air duct cleaning and disinfecting device according to claim 1, characterized in that, further comprising a power supply and a control system, the power supply and the electrical components in the device are electrically connected, and the control system controls the electric Start and stop of rollers, UV lamps, axial flow fans and the vacuuming assembly.

3. An air-conditioning air duct cleaning and disinfecting device according to claim 2, wherein a fan casing is fixed on the outer periphery of the axial flow fan, and the air inlet of the fan casing is connected to the air duct through a variable diameter air duct. The air inlet of the device casing is communicated with, and the air outlet of the fan casing is communicated with the air outlet of the device casing through another variable diameter air duct.

4. An air-conditioning air duct cleaning and disinfecting device according to claim 3, characterized in that, two of the variable-diameter air ducts and the fan casing form vacant areas on the four sides inside the device casing, The power supply and control system are arranged in the vacant area below the fan casing, and the chemical disinfecting component is arranged in the vacant area above the fan casing.

5 . The device for cleaning and disinfecting air-conditioning ducts according to claim 4 , wherein the medicament sanitizing assembly comprises a medicament box and a medicament nozzle, the medicament box is provided with a medicament filling port, and the medicament filling port is provided. The medicine port is arranged on the upper surface of the device casing; the medicine nozzle includes a medicine guide pipe and a spray head, two ends of the medicine guide pipe are respectively connected to the medicine box and the spray head, and the guide pipe is connected to the spray head. One end of the nozzle extends into the variable diameter air duct located at one end of the airflow homogenizer; the nozzle of the drug nozzle is arranged at the same level as the center of the axial flow fan, and the nozzle is arranged toward the bottom of the variable diameter air duct.

6 . The air-conditioning air duct cleaning and disinfecting device according to claim 1 , wherein the dust-collecting housing is further provided with a camera, a dust-collecting box and an LED light group, and the dust-collecting box is connected to the Cameras are respectively arranged at both ends of the dust collecting case, the dust collecting box is connected to the dust suction port inside, and the dust collecting case is detachably connected to the end of the device case through the dust collecting case ; The LED light group is arranged adjacent to the camera.

7 . The air-conditioning air duct cleaning and disinfecting device according to claim 6 , wherein the number of the dust suction ports is 4, and the 4 dust suction ports are respectively located on the side of the dust suction housing. 8 . around;

The dust suction port is made of soft material, and the dust suction port has the function of height adjustment. The control system controls the dust suction port to adjust the height so that the dust suction port is close to the inner wall of the air-conditioning duct.

8 . The air-conditioning air duct cleaning and disinfecting device according to claim 1 , wherein the outer periphery of the ultraviolet lamp is wrapped with a half-wall type high reflectivity material that makes the ultraviolet rays radiate toward the inner wall of the air duct. 9 .

9 . The air-conditioning air duct cleaning and disinfecting device according to claim 8 , wherein the shapes of the ultraviolet lamp, the dust suction port and the electric roller are determined according to the shape of the air-conditioning air duct. 10 .