CN215308723U

CN215308723U - Disinfection cabinet

Info

Publication number: CN215308723U
Application number: CN202121877045.9U
Authority: CN
Inventors: 任富佳; 胡波楹; 杨建军; 史家鹏; 孟盛港
Original assignee: Hangzhou Robam Appliances Co Ltd
Current assignee: Hangzhou Robam Appliances Co Ltd
Priority date: 2021-08-11
Filing date: 2021-08-11
Publication date: 2021-12-28
Anticipated expiration: 2031-08-11

Abstract

The utility model relates to the field of disinfection instruments, in particular to a disinfection cabinet, which comprises an inner container, an air channel, a fan and a switching component, wherein the inner container is provided with a first air inlet and a second air inlet; an air inlet of the fan is communicated with an air outlet of the inner container, and an air outlet of the fan is communicated with an inlet of the air channel; the outlet of the air duct is communicated with the inner container through an air return port, the outlet of the air duct is also communicated with the outside through an exhaust passage, and the inner container is communicated with the outside through an air inlet; the switching component has a first state and a second state; the switching assembly is used for opening the air return port and closing the exhaust channel and the air inlet so that the inner container, the fan and the air channel directly form an inner circulation airflow channel; or the switching component is used for opening the exhaust channel and the air inlet and closing the air return port, so that the inner container, the fan, the air channel and the exhaust channel form external circulating airflow together with the outside. The internal circulation mode and the external circulation mode can be realized by only using one set of pipeline system, thereby simplifying the arrangement of the pipeline structure.

Description

Disinfection cabinet

Technical Field

The utility model relates to the field of disinfection instruments, in particular to a disinfection cabinet.

Background

The existing disinfection cabinet has two gas circulation modes: 1. in the working process of the disinfection cabinet, the fan operates to stir the air in the cavity of the disinfection cabinet, so that the ozone and the temperature in the cavity are more uniform, the disinfection and drying effects are improved, and the operation mode is called an internal circulation mode; 2. during or after the working process of the disinfection cabinet is finished, the fan operates to pump air in the disinfection cabinet cavity to the outside of the cavity, so as to achieve the aim of moisture removal, and the mode is called as an external circulation mode.

Because the air flow paths of the internal circulation mode and the external circulation mode are different, the existing disinfection cabinet adopts two sets of pipeline systems which respectively correspond to the internal circulation mode and the external circulation mode, each set of pipeline system comprises a fan, an air duct and other equipment, one set of the two sets of pipeline systems is used for realizing the exchange between the air in the cavity of the disinfection cabinet and the outside air, and the other set of pipeline systems is used for realizing the circular flow of the air in the cavity of the disinfection cabinet. The two sets of pipeline systems have more related pipeline structures, the arrangement of the pipeline structures needs to occupy larger space in the disinfection cabinet shell, the space utilization rate in the disinfection cabinet is lower, and the space expansion of the cavity is not facilitated.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a disinfection cabinet, which can reduce the space occupation of a device for realizing an internal circulation mode and an external circulation mode in a shell of the disinfection cabinet.

On one hand, the disinfection cabinet provided by the utility model comprises an inner container, an air channel, a fan and a switching component; an air inlet of the fan is communicated with an air outlet of the inner container, and an air outlet of the fan is communicated with an inlet of the air duct;

the outlet of the air duct is communicated with the inner container through an air return port, the outlet of the air duct is also communicated with the outside through an exhaust passage, and the inner container is communicated with the outside through an air inlet;

the air outlet is a normally open path; the switching assembly has a first state and a second state;

the switching assembly is used for opening the air return port and closing the exhaust channel and the air inlet so that the inner container, the fan and the air channel directly form an inner circulation airflow channel; or the switching component is used for opening the exhaust channel and the air inlet and closing the air return port, so that the inner container, the fan, the air channel and the exhaust channel form external circulating airflow together with the outside.

Further, the switching assembly comprises a first switching piece and a second switching piece;

when the switching assembly is in a first state, the first switching piece is used for opening the air return port and closing the exhaust channel, and the second switching piece is used for closing the air inlet; when the switching assembly is in a second state, the first switching piece is used for opening the exhaust channel and closing the air return opening, and the second switching piece is used for opening the air inlet opening.

Further, the first switching piece comprises a first baffle plate, and the first baffle plate is rotatably connected with the air duct;

when the switching assembly is in a first state, the first baffle plate opens the air return opening and closes the exhaust channel, and the air inlet is closed; when the switching component is in a second state, the first baffle opens the exhaust channel, closes the air return opening, and opens the air inlet.

Further, first switching piece includes first driving piece, be equipped with the through-hole on the wind channel wall, first baffle includes first pivot, first pivot with through-hole normal running fit, first pivot with the power take off end transmission of first driving piece is connected, first driving piece is connected with the controller electricity.

Further, the gas outlet includes the first opening that sets up on the courage wall of inner bag, the return-air inlet includes the setting and is in the second opening on the courage wall of inner bag, exhaust passage is including setting up the third opening on the wind channel wall.

Further, the air inlet comprises a fourth opening arranged on the liner wall of the inner liner, the second switching piece comprises a second baffle plate, and the second baffle plate is rotatably arranged at the fourth opening;

when the switching assembly is in a first state, the second baffle closes the fourth opening; when the switching assembly is in the second state, the second baffle opens the fourth opening.

Furthermore, a fixed seat is arranged on the liner wall of the inner liner corresponding to the fourth opening, the second baffle comprises a second rotating shaft, the second rotating shaft is in running fit with the fixed seat, the second switching piece comprises a second driving piece, the second rotating shaft is in transmission connection with the second driving piece, and the second driving piece is electrically connected with the controller.

Furthermore, the inner container comprises an upper end face and a lower end face which are oppositely arranged, the inner container comprises a rear end face, the rear end face is oppositely arranged on one side end face where the door body is located, the air outlet is formed in the upper end face, and the air inlet is formed in the rear end face and is close to one side of the lower end face.

Furthermore, the air duct comprises a side enclosing plate and a top plate, the side enclosing plate, the top plate and the liner wall of the liner enclose a pipeline structure for air flow to pass through, and the air duct is formed in the pipeline structure.

Further, the fan is a turbine fan, the fan comprises a turbine and a volute, the turbine is arranged in the volute, and the volute and the pipeline structure are integrally formed.

Furthermore, the side enclosing plate is U-shaped, and the third opening is located at the U-shaped opening of the side enclosing plate.

Furthermore, the disinfection cabinet comprises a taking and placing end used for arranging the door body, and the third opening faces the taking and placing end.

Furthermore, an air outlet is formed in the shell on one side of the taking and placing end and communicated with the air exhaust channel.

Has the advantages that:

the fan of the disinfection cabinet provided by the utility model has the function of enabling gas to generate directional flow, namely, the gas enters the air channel from the inner container through the first gas exchange part, and the switching component has the function of adjusting the opening and closing of the air return port and the exhaust channel, so that the gas in the air channel can enter the inner container from the air return port or enter the outside from the exhaust channel. The air inlet is matched with the switching component to operate, the air pressure difference between the inside and the outside of the inner container is balanced, when the disinfection cabinet is in an external circulation mode, the switching component only closes the air return port, air in the inner container enters the air channel from the air outlet and then flows out of the outside through the exhaust channel, and outside air enters the inner container through the air inlet, so that continuous air exchange between the inner container and the outside is realized; when the disinfection cabinet is in an internal circulation mode, the switching assembly closes the exhaust channel and the air inlet, and air in the inner container enters the air channel through the air outlet and then flows back into the inner container through the air return port to complete air circulation in the inner container.

The air channel and the fan are shared by the inner circulation mode and the outer circulation mode, the switching between the inner circulation mode and the outer circulation mode is realized through the matching between the switching component and the air channel, and the defects that the structure is complex and the occupied space is large due to the fact that two sets of air channels and fans correspond to the two modes in the traditional mode are overcome.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic structural diagram of a disinfection cabinet according to an embodiment of the present invention;

FIG. 2 is a schematic perspective view of a duct according to an embodiment of the present invention;

FIG. 3 is a schematic structural view of an upper end face of a disinfection cabinet provided in an embodiment of the present invention;

FIG. 4 is a schematic top view of an air duct according to an embodiment of the present invention;

FIG. 5 is a schematic bottom view of an air duct according to an embodiment of the present invention;

FIG. 6 is a schematic view of an air path of the disinfection cabinet according to the embodiment of the present invention;

fig. 7 is a schematic view of another wind path of the disinfection cabinet according to the embodiment of the present invention.

Icon: 1-an air duct; 2-upper end face; 3-rear end face; 4-inner container; 5-a fourth opening; 6-a housing; 7-a first driving member; 8-a first baffle; 9-a fan; 10-a third opening; 11-an exhaust port; 12-a second opening; 13-a first opening; 14-side coaming; 15-a top plate; 16-a via hole; 17-a first switch; 18-an exhaust channel; 19-a return air port; 20-an air inlet; 21-a second switch; 22-air outlet; 23-turbine.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

The disinfection cabinet shown in figures 1 to 7 comprises an inner container 4, an air duct 1, a fan 9 and a switching assembly; an air inlet of the fan 9 is communicated with an air outlet 22 of the inner container, and an air outlet of the fan 9 is communicated with an inlet of the air duct 1;

the outlet of the air duct 1 is communicated with the inner container 4 through an air return port 19, the outlet of the air duct 1 is also communicated with the outside through an exhaust passage 18, and the inner container 4 is communicated with the outside through an air inlet 20;

the air outlet 22 is a normally open passage, or a passage opened and closed by a switching valve; the switching component has a first state and a second state;

the switching assembly is used for opening the air return port 19 and closing the exhaust channel 18 and the air inlet 20, so that the inner container 4, the fan 9 and the air duct 1 directly form an inner circulation airflow channel; or the switching assembly is used for opening the exhaust channel 18 and the air inlet 20 and closing the air return opening 19, so that the inner container 4, the fan 9, the air duct 1 and the exhaust channel 18 form an external circulating air flow together with the outside.

The air duct 1 is an air flow channel for providing air exchange, so that air in the inner container 4 can be exchanged with the outside through a specific air flow path of the air duct 1, specifically, the inner container 4 is communicated with the air duct 1 through an air outlet 22 and an air return opening 19, the air duct 1 is communicated with the outside through an exhaust channel 18, namely, when the air pressure in the inner container 4 is higher than the outside air pressure so that the air generates directional flow, the air in the inner container 4 can enter the air duct 1 through the air outlet 22 and the air return opening 19, and finally flows in the air duct 1 and flows out to the outside through the exhaust channel 18; when the air pressure in the inner container 4 is lower than the external air pressure, the air reversely flows into the inner container 4 from the outside.

The effect of fan 9 in this scheme is that make gas produce directional flow, and in the wind channel 1 was got into through first gas exchange portion in the gas was followed in the inner bag 4, switching components's effect was adjusted return-air port 19, exhaust passage 18 and the switching of air inlet 20 for gas in the wind channel 1 can get into in the inner bag 4 or get into the external world from exhaust passage 18 from return-air port 19, and air inlet 20 effect is the atmospheric pressure difference of balanced inner bag 4 inside and outside. Specifically, when the switching assembly is in the first state, as shown in fig. 7, the disinfection cabinet is in an external circulation state, when the gas in the inner container 4 enters the air duct 1 through the air outlet 22 and then flows out of the outside through the exhaust passage 18, negative pressure is formed in the inner container 4, and the outside gas enters the inner container 4 through the air inlet 20, so that continuous gas exchange between the inner container 4 and the outside is realized; when the switching assembly is in the second state, as shown in fig. 6, the disinfection cabinet is in the internal circulation state, the exhaust channel 18 is closed, the air inlet 20 is closed, the air enters the air duct 1 through the air outlet 22, and then flows back into the inner container 4 from the air return port 19, so that the air circulation in the inner container 4 is completed.

In an alternative embodiment, the switching assembly comprises a first switch 17 and a second switch 21;

when the switching assembly is in the first state, the first switching member 17 is used for opening the return air port 19 and closing the exhaust passage 18, and the second switching member 21 is used for closing the air inlet port 20; when the switching assembly is in the second state, the first switching member 17 is used to open the exhaust passage 18 and close the return air port 19, and the second switching member 21 is used to open the air inlet port 20.

The first switching component realizes the plugging of the return air port 19 and the exhaust channel 18, the second switching piece 21 realizes the plugging of the air inlet 20, and the first switching piece 17 is linked with the second switching piece 21, thereby realizing the switching between the first state and the second state.

In an alternative embodiment, the first switch 17 comprises a first baffle 8, the first baffle 8 is rotatably connected with the air duct 1;

when the switching assembly is in the first state, the first baffle 8 opens the return air port 19 and closes the exhaust passage 18, and the air inlet port 20 is closed; when the switching assembly is in the second state, the first flap 8 opens the exhaust passage 18 and closes the return air opening 19 and the air inlet opening 20 is open.

When the switching component is in the first state, the first baffle plate 8 rotates to the first rotation position, when the switching component is in the second state, the first baffle plate 8 rotates to the second rotation position, the first baffle plate 8 has a third rotation position, the third rotation position is located between the first rotation position and the second rotation position, namely when the first baffle plate 8 rotates from the first rotation position to the second rotation position, the rotation process passes through the third rotation position, when the first baffle plate 8 is in the third rotation position, the air return port 19 and the exhaust passage 18 are both in an open state, at this time, air enters the air duct 1 from the inner container 4 through the air outlet 22, and under the action of the fan 9, the air flows into the inner container 4 again through the air return port 19 and flows out of the outside through the exhaust passage 18, and the flow ratio of the two parts of air is related to the rotation angle of the first baffle plate 8.

In an alternative embodiment, the first switching element 17 includes a first driving element 7, a through hole 16 is formed in the wall of the air duct 1, the first baffle 8 includes a first rotating shaft, the first rotating shaft is rotatably matched with the through hole 16, the first rotating shaft is in transmission connection with the power output end of the first driving element 7, and the first driving element 7 is electrically connected with the controller.

The first driving member 7 is used for driving the first baffle 8 to rotate, and the first driving member 7 can be selected from existing driving devices such as an electric motor, a hydraulic pump or a pneumatic pump.

One side of first baffle 8 is first pivot, and the axial both ends of first pivot wear out 1 wall in wind channel through-hole 16 to be equipped with current movable sealing spare such as seal ring between first pivot and the through-hole 16, first driving piece 7 is fixed on the courage wall of the inner bag 4 of inner bag 4, through with the transmission between the first pivot be connected, realize the drive to first baffle 8.

The first driving member 7 is controlled by the instruction of the controller, and the controller sends an instruction to the first driving member 7 according to the current operation mode of the disinfection cabinet, such as an external circulation mode or an internal circulation mode, so as to drive the first baffle plate 8 to rotate, thereby realizing different gas flow paths and achieving the purpose of internal circulation or internal and external gas exchange.

In an alternative embodiment, the air outlet 22 includes a first opening 13 disposed on the liner wall of the liner 4, the air return opening 19 includes a second opening 12 disposed on the liner wall of the liner 4, and the air exhaust passage 18 includes a third opening 10 disposed on the wall of the air duct 1.

The through-hole 16 is provided in the wall of the air duct 1 between the second opening 12 and the third opening 10.

The second opening 12 is opened on the courage wall of inner bag 4, and when first baffle 8 rotated to its one end terminal surface and the courage wall laminating of inner bag 4, the sealing member that sets up on the courage wall of first baffle 8 or inner bag 4 was arranged along the edge of second opening 12 like joint strip, realized the shutoff of first baffle 8 to second opening 12 through laminating and the sealing member between the courage wall terminal surface of first baffle 8 terminal surface and inner bag 4.

When the first baffle 8 rotates to the side end face of the first baffle to be respectively attached to the wall of the air duct 1 or to be in sealing connection with the wall of the inner container 4 through other sealing parts such as sealing rubber strips and the like, and the plate at the first rotating shaft is in sealing connection with the wall of the inner container, the first baffle 8 blocks the third opening 10.

The plate surface of first pivot department is equipped with along axially extended sealing member, and when first baffle 8 rotated to the second and rotated the position, the sealing member rotated along with first baffle 8 to laminating with the courage wall of inner bag 4, and the sealing member was filled between the courage wall of first pivot and inner bag 4 this moment to realize the sealed between the courage wall of first baffle 8 and inner bag 4.

In an alternative embodiment, the air inlet 20 includes a fourth opening 5 disposed on the liner wall of the liner 4, and the second switching member 21 includes a second baffle rotatably disposed at the fourth opening 5;

when the switching assembly is in the first state, the second baffle closes the fourth opening 5; when the switching assembly is in the second state, the second shutter opens the fourth opening 5.

The fourth opening 5 is arranged on the container wall of the inner container 4, the second baffle can block the fourth opening 5, and the second driver drives the second baffle to rotate so as to open and close the fourth opening 5.

In an optional embodiment, a fixing seat is disposed on the liner wall of the inner liner 4 corresponding to the fourth opening 5, the second baffle includes a second rotating shaft, the second rotating shaft is in rotating fit with the fixing seat, the second switching member 21 includes a second driving member, the second rotating shaft is in transmission connection with the second driving member, and the second driving member is electrically connected with the controller.

The outer terminal surface fixed connection of the courage wall of fixing base and inner bag 4, its effect is the rotation that provides the second pivot and is connected the position, and the second driving piece is connected with the transmission of second pivot, and under the control of controller, the drive second baffle rotates to realize the switching of fourth opening 5.

The controller is respectively electrically connected with the second driving piece and the first driving piece 7, so that the first baffle plate 8 and the second baffle plate can be linked, specifically, when the disinfection cabinet enters an internal circulation mode, the controller controls the second driving piece to operate to enable the second baffle plate to block the fourth opening 5, the fourth opening 5 is in a closed state, the controller controls the first driving piece 7 to operate to enable the first baffle plate 8 to rotate to a second rotation position, at the moment, the first baffle plate 8 blocks the third opening 10, the third opening 10 is in a closed state, the second opening 12 is in an open state, the controller controls the fan 9 to operate, gas in the inner container 4 enters the air channel 1 through the first opening 13 and then enters the inner container 4 again through the second opening 12, and internal circulation of the gas is completed; when the disinfection cabinet enters an external circulation mode, the controller controls the second driving part to operate so that the second baffle rotates to the fourth opening 5 and is opened, meanwhile, the controller controls the first driving part 7 to operate so that the first baffle 8 rotates to the first rotation position, at the moment, the first baffle 8 blocks the second opening 12, the second opening 12 is in a closed state, the third opening 10 is in an open state, the controller controls the fan 9 to operate, gas in the inner container 4 enters the air channel 1 through the first opening 13 and then flows out of the outside through the third opening 10, negative pressure is generated in the inner container 4, and outside air enters the inner container 4 through the fourth opening 5 to complete external circulation of the gas.

In an alternative embodiment, the inner container 4 includes an upper end surface 2 and a lower end surface which are oppositely arranged, the inner container 4 includes a rear end surface 3, the rear end surface 3 is arranged opposite to a side end surface where the door body is arranged, the air outlet 22 is arranged at the upper end surface 2, and the air inlet 20 is arranged at a side of the rear end surface 3 close to the lower end surface.

The first opening 13 and the fourth opening 5 are respectively positioned at the upper end and the lower end of the inner container 4, when the disinfection cabinet is in an external circulation mode, external air flow enters the inner container 4 from the fourth opening 5 and then flows out of the inner container 4 from the first opening 13, and the gas exchange efficiency in the inner container 4 is high.

In an alternative embodiment, the air duct 1 includes side enclosing plates 14 and a top plate 15, the side enclosing plates 14, the top plate 15 and the container wall of the inner container 4 enclose a duct structure for air flow to pass through, and the duct structure forms the air duct 1.

The air duct 1 is attached to the liner wall of the liner 4, the air duct 1 and the liner wall enclose the liner 4 to form a relatively closed pipeline structure, the air duct 1 comprises a side enclosing plate 14, the first opening 13 is located in a cavity formed by enclosing the liner wall of the liner 4 and the side enclosing plate 14, the second opening 12 is located between the first opening 13 and the third opening 10, the third opening 10 is located on the side enclosing plate 14 or a top plate 15, the position is located at the tail end of the air duct 1, or the tail end of a plate of the side enclosing plate 14 and the tail end of a plate of the top plate 15 enclose to form the third opening 10.

This scheme encloses through the courage wall in wind channel 1 and inner bag 4 and closes formation pipeline structure, and wind channel 1 is for open structure with the courage wall laminating side of inner bag 4, avoids first opening 13 and second opening 12 on the courage wall of 1 cooperation inner bag 4 in wind channel and need set up more opening in corresponding position to simplify wind channel 1 structure.

In an alternative embodiment, the fan 9 is a turbo fan, and the fan 9 includes a turbine 23 and a volute, the turbine 23 is disposed in the volute, and the volute is integrally formed with the duct structure.

The turbo fan is arranged in the pipeline structure, wherein the side coaming 14, the top plate 15 and the liner wall of the liner 4 are encircled to form a volute of the fan 9, or the pipeline structure is internally processed to form the volute structure, namely, the volute inner cavity of the turbo fan in the scheme forms a partial or whole air duct 1, the turbine 23 is arranged at the first opening 13 of the liner 4, when the turbine 23 operates, negative pressure is formed at the first opening 13, and air in the liner 4 is sucked into the pipeline structure from the first opening 13.

In an alternative embodiment, the side panels 14 are U-shaped and the third opening 10 is located at the U-shaped opening of the side panels 14.

The first opening 13 is located in a cavity formed by the enclosure of the liner wall of the liner 4 and the U-shaped bottom plate of the side enclosing plate 14, the size of the cavity at the U-shaped bottom of the side enclosing plate 14 is large, the cavity is used for accommodating the fan 9, the third opening 10 is located at the U-shaped opening of the side enclosing plate 14, the third opening 10 is located at the tail end of the air duct 1, and the tail end of the plate of the side enclosing plate 14 and the tail end of the plate of the top plate 15 are enclosed to form the third opening 10.

The fan 9 is used for driving air to flow directionally. For guaranteeing in the gaseous inflow wind channel 1 in the inner bag 4, need make and produce negative pressure environment in the wind channel 1, when fan 9 sets up in inner bag 4, need guarantee to be in encapsulated situation between the environment in fan 9 negative pressure one side and the inner bag 4, consequently, need set up other pipeline structures in inner bag 4 and be used for placing fan 9, fan 9 in this scheme sets up the top that corresponds first opening 13 in wind channel 1, fan 9's edge and the inner wall laminating in wind channel 1, when fan 9 operation, one side that inner bag 4 was kept away from to fan 9 is the negative pressure side, thereby realize the effect in the gaseous suction wind channel 1 in the inner bag 4.

In an alternative embodiment, the disinfection cabinet comprises a pick-and-place end for arranging the door body, and the third opening 10 is arranged towards the pick-and-place end.

The end of getting of sterilizer is towards the user when putting, get to put the end and be equipped with a body and control panel, control panel is located the top of a body, there is the clearance between control panel and the body, third opening 10 is located 6 terminal surfaces of sterilizer shell in the clearance, because the sterilizer is placed when the cabinet is internal, get the opening part of putting end one side towards the cabinet body, consequently when the air current flows from third opening 10, gaseous direct opening part from the cabinet body discharges to the external of cabinet, thereby avoid the humid hot gas in the sterilizer inner bag 4 to cause the influence to the cabinet body.

In an alternative embodiment, the housing 6 on the side of the access end is provided with an exhaust port 11, and the exhaust port 11 communicates with an exhaust passage 18.

The wind channel 1 is located the intracavity that holds between inner bag 4 and the shell 6, has guaranteed the integrative nature of sterilizer, and the third opening 10 and the gas vent 11 intercommunication of wind channel 1, gas vent 11 set up on the 6 terminal surfaces of shell of sterilizer side of putting, and the door body corresponds the position and is equipped with the shielding plate, can shelter from gas vent 11 in the vision.

In the description of the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases for those skilled in the art.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that the following embodiments are merely illustrative of the present invention, and not restrictive, and the scope of the present invention is not limited thereto: any person skilled in the art can modify or easily conceive the technical solutions described in the foregoing embodiments or equivalent substitutes for some technical features within the technical scope of the present disclosure; such modifications, changes or substitutions do not depart from the spirit and scope of the embodiments of the present invention, and they should be construed as being included therein. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A disinfection cabinet is characterized by comprising an inner container (4), an air duct (1), a fan (9) and a switching component; an air inlet of the fan (9) is communicated with an air outlet (22) of the inner container, and an air outlet of the fan (9) is communicated with an inlet of the air duct (1);

the outlet of the air duct (1) is communicated with the inner container (4) through an air return port (19), the outlet of the air duct (1) is also communicated with the outside through an exhaust passage (18), and the inner container (4) is communicated with the outside through an air inlet (20);

the switching assembly has a first state and a second state;

the switching assembly is used for opening the air return opening (19) and closing the exhaust passage (18) and the air inlet (20) so that the inner container (4), the fan (9) and the air duct (1) directly form an inner circulation airflow passage; or the switching component is used for opening the exhaust channel (18) and the air inlet (20) and closing the air return opening (19), so that the inner container (4), the fan (9), the air duct (1) and the exhaust channel (18) form an external circulating air flow together with the outside.

2. A disinfection cabinet as claimed in claim 1, wherein said air outlet (22) is a normally open path; the switching assembly comprises a first switching piece (17) and a second switching piece (21);

when the switching assembly is in a first state, the first switching piece (17) is used for opening the return air port (19) and closing the exhaust channel (18), and the second switching piece (21) is used for closing the air inlet (20); when the switching assembly is in the second state, the first switching piece (17) is used for opening the exhaust channel (18) and closing the air return opening (19), and the second switching piece (21) is used for opening the air inlet opening (20).

3. A disinfection cabinet as claimed in claim 2, characterised in that said first switch (17) comprises a first shutter (8), said first shutter (8) being rotatably connected to said air duct (1);

when the switching assembly is in a first state, the first baffle (8) opens the return air port (19) and closes the exhaust passage (18), and the air inlet port (20) is closed; when the switching assembly is in the second state, the first flap (8) opens the exhaust passage (18) and closes the return air opening (19), and the air inlet opening (20) is open.

4. A disinfection cabinet as claimed in claim 3, wherein said first switching member (17) comprises a first driving member (7), a through hole (16) is provided on the wall of said air duct (1), said first baffle (8) comprises a first rotating shaft, said first rotating shaft is rotatably engaged with said through hole (16), said first rotating shaft is in transmission connection with the power output end of said first driving member (7), and said first driving member (7) is electrically connected with the controller.

5. A disinfection cabinet as claimed in any one of the claims 1-4, wherein said air outlet (22) comprises a first opening (13) arranged in the wall of said inner container (4), said air return opening (19) comprises a second opening (12) arranged in the wall of said inner container (4), and said air discharge channel (18) comprises a third opening (10) arranged in the wall of said air duct (1).

6. A disinfection cabinet as claimed in claim 2, characterised in that said air inlet (20) comprises a fourth opening (5) provided in the wall of said inner container (4), said second switch (21) comprising a second shutter rotatably provided at said fourth opening (5);

when the switching assembly is in the first state, the second baffle closes the fourth opening (5); when the switching assembly is in the second state, the second shutter opens the fourth opening (5).

7. A disinfection cabinet as claimed in claim 6, wherein a fixing seat is provided on the wall of said inner container (4) corresponding to said fourth opening (5), said second baffle plate comprises a second rotating shaft, said second rotating shaft is rotatably engaged with said fixing seat, said second switch member (21) comprises a second driving member, said second rotating shaft is in transmission connection with said second driving member, and said second driving member is electrically connected with the controller.

8. A disinfection cabinet as claimed in claim 3, wherein said inner container (4) comprises an upper end surface (2) and a lower end surface which are oppositely arranged, said inner container (4) comprises a rear end surface (3), said rear end surface (3) is oppositely arranged with respect to a side surface of the door body, said air outlet (22) is arranged at said upper end surface (2), and said air inlet (20) is arranged at one side of said rear end surface (3) which is close to said lower end surface.

9. A disinfection cabinet as claimed in claim 1, characterised in that said air duct (1) comprises side enclosures (14) and a top panel (15), said side enclosures (14), said top panel (15) and the wall of said inner container (4) enclosing a duct structure for the passage of an air flow, said duct structure forming said air duct (1).

10. A disinfection cabinet as claimed in claim 9, characterised in that said fan (9) is a turbo fan, said fan (9) comprising a turbine (23) and a volute, said turbine (23) being placed in said volute, said volute being formed integrally with said duct structure.