CN219264515U

CN219264515U - Air flow structure of sterilization device, switching module and hanging tool

Info

Publication number: CN219264515U
Application number: CN202222819867.2U
Authority: CN
Inventors: 丁宋红; 尹雄文; 吴威威
Original assignee: ETI Solid State Lighting Zhuhai Ltd; Crawford Global Ltd
Current assignee: ETI Solid State Lighting Zhuhai Ltd; Crawford Global Ltd
Priority date: 2022-10-25
Filing date: 2022-10-25
Publication date: 2023-06-27
Anticipated expiration: 2032-10-25

Abstract

The utility model provides an air flow structure of a sterilizing device, the sterilizing device, a switching module and a hanging tool, and relates to the technical field of household appliances. An air flow space is arranged in an air flow structure of the sterilizing device, and the air flow structure is provided with an air inlet and an air outlet which are positioned at the periphery of the air flow space; the air flow structure further comprises an air inlet channel, an inlet of the air inlet channel is in butt joint with the air inlet, and/or the air flow structure further comprises an air outlet channel, and an outlet of the air outlet channel is in butt joint with the air outlet. The switching module comprises a hanging component and a sterilizing device. The hanging tool comprises a hung object and the switching module; the hung object is connected with the tool adapter. The utility model effectively prolongs the residence time of the air in the airflow space and improves the air supply effect.

Description

Air flow structure of sterilization device, switching module and hanging tool

Background

The utility model relates to the technical field of household appliances, in particular to a sterilizing device with improved air flow effect, an air flow structure, a switching module and a hanging tool thereof.

Technical Field

The existing ceiling type sterilizing device comprises a shell, a fan and a first sterilizing module, wherein the shell is a cuboid which is extended along the horizontal direction, the shell is used as an airflow structure, an airflow space is formed in the shell, and an air inlet and an air outlet of the airflow space are respectively positioned at two ends of the length of the shell; the first sterilization module comprises an ultraviolet lamp tube and an ozone generator, the first sterilization module and a power supply thereof are placed in the middle of the airflow space, the fan is arranged at the air outlet, a top plate of the shell can be installed in a suspended ceiling mode, and a bottom plate of the shell can be connected with the lamp. When the fan is operated, the air flow passes through the sterilizing device in a horizontal straight line direction.

Although the existing ceiling type sterilizing device can meet the installation condition of the switching module by horizontally arranging the air inlet and the air outlet, a simple airflow space can only ensure that airflow shuttles and passes, and the ceiling type sterilizing device has the problems that the airflow residence time is short, more air which cannot enter the ceiling type sterilizing device can not be ensured to pass through the first sterilizing module, the air supply effect is poor and the like.

Disclosure of Invention

A first object of the present utility model is to provide an air flow structure of a sterilizing apparatus which improves the air flow space shape inside the apparatus, the air flow structure extending the air flow residence time, and improving the sterilizing effect and the air supply effect.

The second object of the present utility model is to provide a sterilizing apparatus that increases the residence time of air flow, and improves the sterilizing effect and the air supply effect.

The third objective of the present utility model is to provide a transfer module with prolonged air flow residence time, improved sterilization and air supply effects.

A fourth object of the present utility model is to provide a suspension appliance comprising the above-mentioned adapter module.

An air flow space is arranged in an air flow structure of the sterilizing device provided by the first object of the utility model, and an air inlet and an air outlet of the air flow space are arranged on the air flow structure; the air flow structure further comprises an air inlet channel, the air inlet channel is arranged in the air flow space, the inlet of the air inlet channel is in butt joint with the air inlet, and/or the air flow structure further comprises an air outlet channel, the air outlet channel is arranged in the air flow space, and the outlet of the air outlet channel is in butt joint with the air outlet.

It can be seen from the above-mentioned scheme that, firstly, either the air inlet duct opposite to the air inlet or the air outlet duct opposite to the air outlet, either of the two ducts has the effect of causing the change of the flow path and flow speed of the air flow, so that the residence time of the air in the air flow space is prolonged. Furthermore, the air inlet duct can guide more air entering from the air inlet to the position of the first sterilization module for sterilization treatment, so that the influence on the sterilization effect caused by the fact that air which is not subjected to sterilization treatment or is not subjected to treatment degree is prevented from being sent out; the air outlet duct can also collect air flow and has a certain wind pressure lifting function, so that the air supply quantity and the air supply distance are ensured.

Further, the airflow structure comprises at least one of the following: the air inlet duct is provided with a first sterilization module connecting part, and the first sterilization module connecting part is positioned in the air inlet duct or positioned at the outlet of the air inlet duct; the second sterilization module connecting part is arranged on the air outlet air duct and is positioned in the air outlet air duct, or is positioned at the outlet of the air outlet air duct; the air outlet duct is provided with a fan connecting part, and the fan connecting part is positioned at the inlet of the air outlet duct or in the air outlet duct.

From the above, this arrangement can further ensure that more air can be first guided and gathered to the first sterilization module for sterilization treatment, and the plasma emitter such as the brush head that includes a plurality of pairs of positive and negative plasma release is arranged at the air outlet, can further improve sterilization efficiency as supplementary means, and the fan and the air outlet duct are arranged at the air outlet, can further concentrate air flow and better realize pressurization. Therefore, the sterilization module or the fan is arranged by taking the air inlet channel and the air outlet channel as key positions, so that the product effect can be effectively improved.

The cross section area of the air inlet duct is reduced from the inlet of the air inlet duct to the position of the first sterilization module connecting part.

From the above, the air inlet channel with a larger inlet is beneficial to butt joint with the air inlet with a larger sectional area, so that all the air entering the air inlet channel is guided to the first sterilization module; the air inlet channel with a larger inlet and a smaller outlet can play a role in lifting the wind pressure, so that the fluidity of air in the airflow space is improved, and the sterilization efficiency is improved.

The further scheme is that the air inlet duct and the air outlet duct are mutually separated, and the outlet of the air inlet duct, the airflow space and the inlet of the air outlet duct are sequentially communicated.

In the arrangement, the air inlet duct and the air outlet duct are disconnected at intervals but keep air flow communication. The air sent from the air inlet duct does not directly enter the air outlet duct, but is sent to the air flow space, the diffuse air flow space and the stay time for full sterilization treatment, and then enters the air outlet duct and is sent out of the sterilization device.

Still further, the air inlet duct is communicated along a first horizontal line, and/or the air outlet duct is communicated along a second horizontal line. The airflow structure of the sterilizing device comprises at least one of the following: an included angle is formed between the first straight line and the second straight line; the plurality of air inlet channels and the plurality of air outlet channels are radially arranged on the periphery of the airflow space; the air inlet air channels and the air outlet air channels are alternately arranged around the airflow space; the two air inlet channels are oppositely arranged along the first straight line; the two air outlet air channels are oppositely arranged along the second straight line; the two air inlet channels and the two air outlet channels are arranged in a cross shape.

From the above, the air duct extending along the straight line is beneficial to the fluidity of the air flow; the first straight line and the second straight line form an included angle and are mutually inclined or mutually perpendicular, so that the air inlet air duct and the air outlet air duct are not arranged on the same straight line, and then the airflow advances along a plurality of non-straight paths and is diffused in the airflow space; the air inlet and outlet arranged in a cross shape and the corresponding air channel can further improve the air inlet and outlet; in addition, in order to improve the air inlet and outlet, the number of the air inlets arranged on the periphery can be multiple; further, the air port which is linearly opposite to the air inlet is arranged as the air inlet, and similarly, the air port which is linearly opposite to the air outlet is arranged as the air outlet, so that the arrangement can effectively avoid forming a linear path to shorten the residence time and weaken the sterilization effect; the air inlets and the air outlets are alternately arranged, so that the uniformity of the arrangement of the air inlets and the air outlets at the periphery can be ensured, the radial arrangement of the air inlets and the air outlets is more beneficial to the air inlet quantity and the air outlet quantity, and the sterilization efficiency is improved.

The air flow structure comprises an inner peripheral structure and an outer peripheral wall positioned on the outer periphery of the inner peripheral structure, the inner peripheral structure extends between the upper end and the lower end of the air flow structure, and an air flow space is formed between the outer peripheral wall and the inner peripheral wall and is annular.

Compared with the cuboid device shell in the background art, the inner peripheral wall and the outer peripheral wall of the shell are arranged into the annular shape on the basis of the annular airflow space, so that the airflow space is annular, the obstruction of the inner contour of the space to the airflow can be effectively reduced, the flow guiding effect of the inner contour to the airflow is enhanced, and the airflow effect is improved.

The sterilization device provided by the second object of the utility model comprises an airflow structure, a first sterilization module and a fan; the air flow structure adopts the air flow structure of the sterilization device; the first sterilization module and the fan are arranged in the airflow space; the first sterilization module is arranged corresponding to the air inlet channel, and/or the fan is arranged corresponding to the air outlet channel.

The above scheme shows that, firstly, either the air inlet duct opposite to the air inlet or the air outlet duct opposite to the air outlet has the effect of causing the change of the airflow flow path and the flow speed, thereby prolonging the residence time of the air in the airflow space and further prolonging the sterilization time. Further, the air inlet duct plays a role in guiding and gathering air flow, so that the sterilization effect is improved; the air outlet air duct is arranged to concentrate air flow and lift air pressure, so that air supply quantity and air supply distance are ensured.

The first sterilization module comprises an ultraviolet lamp module and a photocatalyst module, and the ultraviolet lamp module and the photocatalyst module are arranged at a preset interval; the ultraviolet lamp module is arranged back to the air inlet, and/or the ultraviolet lamp module is arranged towards the photocatalyst module.

From the above, the sterilizing device is arranged opposite to the air inlet, the combination of the ultraviolet lamp module and the photocatalyst module is favorable for comprehensively and effectively purifying, sterilizing and deodorizing the entering air, and the fan is arranged opposite to the air outlet, so that the air supply effect is favorable. In addition, the ultraviolet lamp module and the photocatalyst module are arranged at preset intervals, so that the light source of the ultraviolet lamp module can irradiate the whole photocatalyst module, the light source dosage of the ultraviolet lamp module, the photocatalyst dosage and the current are accurately controlled, and the cost is favorably controlled.

Still further, the photocatalyst module comprises a photocatalyst plate, wherein the photocatalyst plate is provided with a hole array, and the penetrating direction of the hole array is consistent with the penetrating direction of the air inlet duct.

From the above, the photocatalyst plate with porous structure can effectively increase the irradiated area, and active species such as free radicals can be generated by the catalysis of ultraviolet light irradiation photocatalyst, so that harmful substances in the air are decomposed into stable and harmless substances, and the functions of purifying the air, sterilizing and deodorizing are ensured.

Further, the sterilization device comprises at least one of the following: the sterilizing device also comprises a filter screen, and the air inlet and/or the air outlet are/is provided with the filter screen; the sterilizing device further comprises a light-emitting component, and the light-emitting component is arranged at the top of the airflow structure.

From the above, the filter screen can not only promote the air purification effect, but also protect the internal structure of the device; the luminous component not only can be used as a prompting lamp in a working mode, but also can be used as an atmosphere lamp to bake the household atmosphere.

Further, the sterilization device also comprises a second sterilization module; the second sterilization module is arranged in the air outlet duct or arranged at the outlet of the air outlet duct.

From the above, the plasma emitter such as the brush head with a plurality of pairs of positive and negative plasma releasing is arranged at the air outlet, so that the sterilization efficiency can be further improved as a supplementary means.

The switching module provided by the third object of the utility model comprises a hanging component and a sterilizing device; the sterilization device adopts the sterilization device; the suspension assembly supports the sterilization device and comprises a suspension connection part positioned above the sterilization device and an appliance switching part positioned below the sterilization device.

According to the scheme, the sterilizing device can improve sterilizing effect and air supply effect, and the sterilizing device can be used as a switching module of other suspended objects through the suspension assembly.

The hanging tool provided by the fourth object of the utility model comprises the switching module and a hung object, and the hung object is connected with the tool switching part.

Drawings

Fig. 1 is an exploded view of a first embodiment of a sterilization apparatus according to the present utility model.

Fig. 2 is an exploded view showing a second structure of the first embodiment of the sterilizing device of the present utility model.

Fig. 3 is a schematic diagram of a first embodiment of the adapter module of the present utility model.

Fig. 4 is a block diagram showing a part of components removed in the first embodiment of the sterilizing apparatus according to the present utility model.

Fig. 5 is an enlarged view at a in fig. 4.

Fig. 6 is a schematic view showing an airflow structure in the first embodiment of the sterilizing device according to the present utility model.

Fig. 7 is a schematic view showing an airflow structure in a second embodiment of the sterilizing apparatus according to the present utility model.

Fig. 8 is a schematic view showing an airflow structure in a third embodiment of the sterilizing apparatus according to the present utility model.

Fig. 9 is a block diagram showing a part of components removed from the fourth embodiment of the sterilizing apparatus according to the present utility model.

Fig. 10 is a cross-sectional view at B-B in fig. 9.

Detailed Description

First embodiment of sterilizing apparatus

The embodiment is a suspended ceiling type sterilizing device with an air purifying function, and the sterilizing device can also form the switching module of the utility model of lamps, ceiling fans and other hanging tools with a hanging assembly. Referring to fig. 1 to 3, the sterilizing apparatus is generally in a shape of a flat cylinder, a through hole 109 penetrating up and down is provided in the center of a main body 1 of the sterilizing apparatus, and as shown in fig. 3, the adapting module includes the sterilizing apparatus and the hanging assembly 5, the hanging assembly 5 includes a hanging connection part 51, an extension part 52 and an appliance adapting part 53 which are sequentially connected from top to bottom, the hanging connection part 51 is used for fixedly connecting with a roof and restricting the main body 1 from above the main body 1 of the sterilizing apparatus, the extension part 52 passes through the through hole 109 from top to bottom, the appliance adapting part 53 can support the main body 1 from below and can be connected with a hanging appliance below, and in addition, the through hole 109 can be used as a wire routing channel.

Under the condition that connection requirements exist above and below the sterilizing device, the air inlet and the air outlet are not beneficial to being arranged at the upper end and the lower end of the main body 1, therefore, the air inlet 101 and the air outlet 102 of the sterilizing device are arranged at the periphery of the main body 1, and the central part of the main body 1 is used for hanging connection to be blocked from the air flow space 100, so that the annular air flow space 100 is formed in the main body 1. The present embodiment is configured based on the annular airflow space 100 and the arrangement manner in which the air inlet 101 and the air outlet 102 are provided at the outer periphery of the airflow space 100.

Referring to fig. 1, 2 and 4, the sterilization apparatus of the present embodiment includes a main body 1, a first sterilization module 2, a fan 3, a light emitting assembly 41, a decorative cover 42 and a filter screen 43. The main body 1 is an airflow structure of the utility model, the main body 1 mainly comprises a lower shell 11, an upper cover 19, an air inlet duct 12 and an air outlet duct 13, the lower shell 11 comprises a bottom wall 113, an inner peripheral structure 112 and an outer peripheral wall 111, the bottom wall 113 is annular, the inner peripheral structure 112 comprises an inner peripheral wall 1121 and a top wall 1122, the inner peripheral wall 1121 in the shape of a circular wall extends upwards from the inner peripheral edge of the bottom wall 113 to the upper end of the main body 1, the top wall 1122 is connected to the top of the inner peripheral wall 1121, and a through hole 109 penetrates through the center of the top wall 1122. The peripheral wall 111 having a circular wall shape extends upward from the peripheral edge of the bottom wall 113 to the upper end of the main body 1, and the annular airflow space 100 is formed between the inner peripheral wall 1121 and the peripheral wall 111. On the vertical projection, with the inner peripheral structure 112 as the center, the two air inlets 101 are symmetrically and oppositely arranged on the outer peripheral wall 111 along the circumferential direction of the main body 1, the two air outlets 102 are symmetrically and oppositely arranged on the outer peripheral wall 111 along the circumferential direction of the main body 1, and in the circumferential direction of the main body 1, the difference between the air inlets 101 and the air outlets 102 is 90 degrees. In addition, the cross-sectional area of the air inlet 101 is larger than the cross-sectional area of the air outlet 102. The upper cover 19 has a disk shape, and the upper cover 19 is covered on the upper end of the lower housing 11 to block the airflow space 100 from above, and naturally, the through hole 109 penetrates the upper cover 19.

Referring again to fig. 1, 5 and 6, the intake duct 12 is mounted within the airflow space 100. The air inlet duct 12 extends along a first horizontal straight line L1, two extending ends of the air inlet duct 12 are respectively provided with a first inlet 1201 and a first outlet 1202, the first inlet 1201 and the first outlet 1202 are respectively provided with the inlet and the outlet of the air inlet duct 12 of the utility model, the first inlet 1201 is in butt joint with the air inlet 101, and the first outlet 1202 is opposite to the inner peripheral structure 112. The extending direction of the first straight line L1 is the radial direction of the main body 1.

The air inlet duct 12 is formed by splicing a lower base 121 and an upper baffle 122, wherein the lower base 121 is mounted on the bottom wall 113, the upper baffle 122 is detachably mounted on the lower base 121, the lower base 121 is approximately in a shape of a U on the projection of the extending direction of the first straight line L1, and the upper baffle 122 is in a shape of a U, so that the lower base 121 and the upper baffle 122 are spliced into a duct space with a rectangular inner contour.

Referring to fig. 5, the cross-sectional area of the first inlet 1201 is larger than the cross-sectional area of the first outlet 1202; from the first inlet 1201 to the first outlet 1202, the intake air duct 12 includes a first duct portion 12a and a second duct portion 12b, wherein first side walls 1211 of both sides of the first duct portion 12a extend obliquely to the first straight line L1, so that the cross-sectional area of the first duct portion 12a gradually decreases with a large rate of change from the first inlet 1201 to the junction between it and the second duct portion 12 b; the second side walls 1212 on the two sides of the second air channel portion 12b extend along the first straight line L1, so that the cross-sectional area of the second air channel portion 12b is unchanged.

The first air channel portion 12a has a larger length angle and a larger width change rate along the direction of the first straight line L1, which can make the first inlet 1201 of the air inlet channel 12 large enough to be completely abutted with the air inlet 101, and the cross-sectional area of the first air channel portion 12a can be rapidly changed to be matched with the second air channel portion 12 b. The inner space of the second air channel portion 12b is mainly used as a sterilizing chamber, the second air channel portion 12b is provided with a first sterilizing module connecting portion 1200, the first sterilizing module connecting portion 1200 is used for mounting the first sterilizing module 2 comprising the ultraviolet lamp module 22 and the photocatalyst plate 21, wherein the first sterilizing module connecting portion 1200 comprises a mounting groove 1214, the mounting groove 1214 is formed between two bending arms 1213 extending out of the second side wall 1212, the inlet of the mounting groove 1214 is upward, and the photocatalyst plate 21 can be easily inserted into the mounting groove 1214 from top to bottom; while the ultraviolet lamp module 22 is fixed by screws.

In this embodiment, the photocatalyst plate 21 has a porous structure, the photocatalyst plate 21 is provided with a honeycomb-shaped hole array 211, the hole array 211 penetrates between two sides of the thickness of the photocatalyst plate 21 along the thickness direction of the photocatalyst plate 21, the photocatalyst plate 21 faces the air inlet 101, that is, the penetrating direction of the hole array 211 is consistent with the penetrating direction of the air inlet duct 12, so that air entering from the air inlet 101 can smoothly pass through the hole array 211 and be effectively purified and sterilized. In addition, the ultraviolet lamp module 22 is disposed at a position closer to the air inlet 101 than the photocatalyst plate 21, and the ultraviolet lamp module 22 is disposed opposite to the air inlet 101 and faces the photocatalyst plate 21.

Therefore, the sterilizing device of the present utility model can pressurize the inlet air to improve the fluidity of the air in the air flow space 100 and guide and collect all the air entering from the air inlet 101 to the ultraviolet lamp module 22 and the photocatalyst plate 21 to achieve more effective purification, sterilization and deodorization.

Referring to fig. 4 and 6, the air outlet duct 13 is fixedly installed on the bottom wall 113, a duct space with a circular inner contour is formed in the air outlet duct 13, the inner contour is communicated along a horizontal second straight line L2, four connecting holes 131 are arranged at the inlet of the air outlet duct 13, the connecting holes 131 are fan connecting parts of the utility model, the fan 3 in the embodiment is an axial fan, and screws pass through the installation through holes of the fan 3 and are matched with the connecting holes 131 to fix the fan 3 at the inlet of the air outlet duct 13. The outlet of the air outlet duct 13 is in butt joint with the air outlet 102. The extending direction of the second straight line L2 is the radial direction of the main body 1, and the second straight line L2 is perpendicular to the first straight line L1.

Referring to fig. 1, the light emitting assembly 41 is mounted on the upper side of the upper cover 19, i.e., the light emitting assembly 41 is disposed on the top of the main body 1. The light emitting assembly 41 includes an annular light emitting LED strip and an annular light transmissive cover. In this embodiment, the emitting direction of the LEDs of the light emitting LED strip is in the horizontal direction and toward the outer periphery of the center of the main body 1. In addition, referring to fig. 2, when the sterilizing apparatus is not required as the adapter module, a decorative cover 42 may be additionally installed at the lower end opening of the through hole 109. In addition, a detachable filter screen 43 is further disposed at the air inlet 101.

Referring to fig. 4 to 6, in this embodiment, two air intake channels 12 are oppositely disposed along a first straight line L1, two air outlet channels 13 are oppositely disposed along a second straight line L2, and as shown in fig. 6, two air intake channels 12 and two air outlet channels 13 are disposed in a cross shape, and the air intake channels 12 and the air outlet channels 13 are separated from each other and have a space therebetween, the first outlet 1202 of the air intake channel 12, the air flow space 100 and the air outlet channels 13 are sequentially communicated, the air intake channel 12 is not directly connected to the air outlet channels 13, and the air sent from the air intake channels 12 reaches and leaks into the air flow space 100, and stays for a sufficient period of time and ensures that the air is fully sterilized and then is sent out through the air outlet channels 13. Besides the air inlet duct 12 and the first sterilization module 2 formed by combining the ultraviolet lamp module 22 and the photocatalyst plate 21 are additionally arranged, the sterilization device is combined into an air flow structure which is more beneficial to sterilization efficiency through the arrangement of the air inlet duct 12 along the first straight line L1, the air outlet duct 13 along the second straight line L2 and the circular air flow space 100, and the sterilization device has the advantages of large air inlet quantity, sufficient air outlet pressure, good multi-point air inlet and outlet and air inlet uniform distribution, sufficient air retention and sterilization time and good fluidity, so better air flow conditions are created, and the air purification effect can be better improved.

Second embodiment of sterilizing apparatus

Referring to fig. 7, in the present embodiment, three air inlet channels 62 and three air outlet channels 63 are alternately and uniformly arranged in the outer Zhou Raozhao airflow space 600 of the airflow space 600, and the air inlet channels and the air outlet channels in the present embodiment and the first embodiment are all radially arranged at the outer periphery of the airflow space.

In addition, the inlet of the air inlet duct 62 is necessarily provided with an air inlet, and the outlet of the air outlet duct 62 is necessarily provided with an air outlet, so that the air inlet and the air outlet are also alternately arranged around the air flow space at the periphery of the air flow space.

The embodiment also has the advantages of large air inlet quantity, sufficient air outlet pressure, multi-point air inlet and outlet, good air inlet and outlet uniform distribution and the like.

Third embodiment of sterilizing apparatus

Referring to fig. 8, in this embodiment, two air inlet channels 72 and one air outlet channel 73 are uniformly distributed on the periphery of the airflow space 700.

In addition, in this embodiment, the cross-sectional area of the air intake duct 72 is unchanged along the penetrating direction of the air intake duct 72.

In addition, in this embodiment, the first sterilization module connection portion of the air inlet duct 72 is located at the outlet of the air inlet duct 72, and the first sterilization module 74 is disposed outside the outlet of the air inlet duct 72 and opposite to the outlet of the air inlet duct 72.

Fourth embodiment of sterilizing apparatus

Referring to fig. 9 and 10, compared with the first embodiment of the sterilization apparatus, the present embodiment further includes a plasma sterilization assembly including a high-voltage package 81 and a plasma emitter 82, and the plasma emitter 82 is the second sterilization module of the present utility model.

Each air outlet duct 13' is correspondingly provided with a plasma sterilization component, as shown in fig. 9, a high-pressure bag 81 is placed in the air flow space 100' and is located beside the air outlet duct 13' or the fan ', a second sterilization connecting part is arranged in the air outlet duct 13' at a position close to the outlet of the air outlet duct, and two pairs of brush heads capable of releasing positive and negative plasmas of the plasma emitter 82 are fixedly connected to the second sterilization connecting part. The plasma sterilization component in the air outlet duct 13' can be used as a supplementary means to further improve the sterilization efficiency.

In other embodiments, the fan is mounted within the outlet duct.

In other embodiments, the first sterilization module may be selected from another active sterilization module or a combination of two or more active sterilization modules, such as an ultraviolet module, a photocatalyst module, a plasma module, an anion module, an ozone module, and a high-voltage electrostatic module.

In other embodiments, only the air inlet duct is provided without the air outlet duct, or only the air outlet duct is provided without the air inlet duct.

In other embodiments, the inlet air duct extends along a curve and/or the outlet air duct extends along a curve.

In other embodiments, the peripheral outline of the airflow structure is polygonal and the airflow space is a polygonal ring.

In other embodiments, the first sterilization module is disposed corresponding to the air inlet duct in the following manner: the first sterilization module is arranged outside the outlet of the sterilization air duct and has a preset distance from the outlet of the sterilization air duct, but the outlet of the air inlet air duct is opposite to the air inlet air duct.

In other embodiments, the fan and the air outlet duct are correspondingly arranged in the following manner: the fan is arranged between the outlet of the air outlet duct and the air outlet of the air flow structure, and is opposite to the outlet of the air outlet duct.

In other embodiments, when the suspended object is light, the sterilization device does not need to be provided with a through hole penetrating up and down, and the suspension assembly comprises two parts which are separated up and down: a hanging connection part and an appliance switching part. The hanging connecting part is fixedly connected with the top wall of the sterilizing device, and the tool switching part is fixedly connected on the bottom wall of the sterilizing device.

In addition, the utility model also claims a hanging tool comprising the switching module and a hung object. Suspended objects such as ceiling lamps, fans, ornaments, projectors, and the like.

Finally, it should be emphasized that the foregoing description is merely illustrative of the preferred embodiments of the utility model, and that various changes and modifications can be made by those skilled in the art without departing from the spirit and principles of the utility model, and any such modifications, equivalents, improvements, etc. are intended to be included within the scope of the utility model.

Claims

1. An air flow structure of the sterilizing device is internally provided with an air flow space, and the air flow structure is provided with an air inlet and an air outlet of the air flow space;

the method is characterized in that:

the air flow structure also comprises an air inlet channel which is arranged in the air flow space, the inlet of the air inlet channel is in butt joint with the air inlet,

and/or the number of the groups of groups,

the air flow structure further comprises an air outlet channel, the air outlet channel is arranged in the air flow space, and the outlet of the air outlet channel is in butt joint with the air outlet.

2. The air flow structure of the sterilization apparatus according to claim 1, wherein:

the airflow structure comprises at least one of the following:

the air inlet duct is provided with a first sterilization module connecting part, and the first sterilization module connecting part is positioned in the air inlet duct or positioned at the outlet of the air inlet duct;

the air outlet air duct is provided with a second sterilization module connecting part, and the second sterilization module connecting part is positioned in the air outlet air duct or positioned at the outlet of the air outlet air duct;

the air outlet duct is provided with a fan connecting part, and the fan connecting part is positioned at the inlet of the air outlet duct or in the air outlet duct.

3. The air flow structure of the sterilization apparatus according to claim 2, wherein:

4. A gas flow structure of a sterilizing apparatus according to any one of claims 1 to 3, wherein:

the air inlet duct and the air outlet duct are mutually separated, and the outlet of the air inlet duct, the airflow space and the inlet of the air outlet duct are sequentially communicated.

5. A gas flow structure of a sterilizing apparatus according to any one of claims 1 to 3, wherein:

the air inlet air channel is communicated along a horizontal first straight line, and/or the air outlet air channel is communicated along a horizontal second straight line;

the airflow structure of the sterilizing device comprises at least one of the following:

an included angle is formed between the first straight line and the second straight line;

the air inlet air channels and the air outlet air channels are radially arranged on the periphery of the airflow space;

the air inlet air channels and the air outlet air channels are alternately arranged around the airflow space;

the two air inlet channels are oppositely arranged along the first straight line;

the two air outlet air channels are oppositely arranged along the second straight line;

the two air inlet channels and the two air outlet channels are arranged in a cross shape.

6. A gas flow structure of a sterilizing apparatus according to any one of claims 1 to 3, wherein:

the air flow structure comprises an inner peripheral structure and an outer peripheral wall positioned on the outer periphery of the inner peripheral structure, the inner peripheral structure extends between the upper end and the lower end of the air flow structure, and an air flow space is formed between the outer peripheral wall and the inner peripheral structure and is annular.

7. The sterilization device comprises an airflow structure, a first sterilization module and a fan;

the method is characterized in that:

the air flow structure adopts the air flow structure of the sterilizing device as claimed in any one of the claims 1 to 6;

the first sterilization module and the fan are arranged in the airflow space;

the first sterilization module is arranged corresponding to the air inlet duct, and/or the fan is arranged corresponding to the air outlet duct.

8. The sterilization device of claim 7, wherein:

the first sterilization module comprises an ultraviolet lamp module and a photocatalyst module, and the ultraviolet lamp module and the photocatalyst module are arranged at a preset interval;

the ultraviolet lamp module is arranged back to the air inlet, and/or the ultraviolet lamp module is arranged towards the photocatalyst module.

9. The sterilization device of claim 8, wherein:

the photocatalyst module comprises a photocatalyst plate, wherein a hole array is arranged on the photocatalyst plate, and the penetrating direction of the hole array is consistent with that of the air inlet duct.

10. Sterilization device according to any of claims 7 to 9, characterized in that:

the sterilization device comprises at least one of the following:

the sterilizing device further comprises a filter screen, and the filter screen is arranged at the air inlet and/or the air outlet;

the sterilization device further comprises a light-emitting component, and the light-emitting component is arranged at the top of the airflow structure.

11. Sterilization device according to any of claims 7 to 9, characterized in that:

the sterilization device also comprises a second sterilization module;

the second sterilization module is arranged in the air outlet duct, or is arranged at the outlet of the air outlet duct.

12. The switching module comprises a suspension assembly and a sterilization device;

the method is characterized in that:

the sterilization apparatus employing the sterilization apparatus according to any one of the above claims 7 to 11;

the suspension assembly supports the sterilization device and comprises a suspension connection part positioned above the sterilization device and an appliance switching part positioned below the sterilization device.

13. Hanging tool, including switching module and by the hung object, its characterized in that:

the transfer module adopts the transfer module of claim 12;

the hung object is connected with the tool switching part.