Rotary air sterilizer using bladeless fan

Abstract

The utility model provides a rotary air disinfection machine using a bladeless fan. The rotary air disinfection machine comprises a base, a main machine, the bladeless fan, an air outlet head and a plasma generator, the main machine comprises a machine shell with a containing cavity and a machine base, the two opposite side faces of the machine shell are air inlet sides with assembling openings, and air inlet assemblies are arranged at the assembling openings. The bladeless fan is located in the containing cavity, and the air outlet head is assembled at the top end of the machine shell and communicates with the bladeless fan. A rotating mechanism is arranged between the machine base and the base to drive the main machine to rotate relative to the base. The airflow inlets of the bladeless fan are arranged right opposite to the assembly opening, the distance between the airflow inlets in the two sides of the bladeless fan is R0, and the shortest transverse distance L3 between the airflow inlets and the assembly opening is larger than or equal to 0.5 R0 and smaller than or equal to 2R0. The air sterilizer has the advantages of small air inlet resistance, large air volume, high air purification and sterilization efficiency and the like.

Description

Technical Field

[0001] The utility model relates to the technical field of air disinfection equipment, in particular to a rotary air disinfector using a bladeless fan. Background Art

[0002] Air disinfector is mainly used for indoor air sterilization and disinfection. It is a device that disinfects the air through the principles of filtration, purification, and sterilization. It can kill bacteria, viruses and other microorganisms in the air, and remove harmful substances and odors in indoor air. Therefore, it is increasingly used in homes, offices, hospitals and other places.

[0003] The air disinfector disclosed in the patent CN214065199U previously applied by the applicant includes a base, a machine base, a machine head and a power supply. The machine base includes a casing, a plurality of air inlets at the lower end of the casing, an air outlet at the top surface of the casing, an air duct between the air inlet and the air outlet, a motor arranged in the air duct and a turbo fan driven by the motor; the machine head is detachably mounted on the machine base so that the air guide channel is connected with the air outlet; a plasma generator is arranged in the air duct near the air outlet. The above technical scheme has the following shortcomings: the machine base adopts a cylindrical side air inlet structure, the distance between the air inlet and the turbo fan is small, and the wind resistance is large, which affects the air intake volume; and because the machine base is fixedly assembled on the base, changing the direction of the air outlet requires moving the whole machine, resulting in a fixed air outlet direction so that the airflow with positive and negative ions is blown out in a fixed direction, affecting the overall air sterilization efficiency in the room. Utility Model Content

[0004] The utility model aims to solve at least one of the technical problems existing in the prior art, and proposes a rotary air disinfector using a bladeless fan, which improves the air purification and sterilization efficiency of the air disinfector by improving the air inlet structure of the main unit and adopting a rotating mechanism between the main unit and the base.

[0005] Specifically, the utility model proposes a rotary air disinfector using a bladeless fan, comprising a base 1, a main unit 2, a bladeless fan 3, an air outlet 5 and a plasma generator 6 located in the air outlet 5; the main unit 2 comprises a casing 22 having a accommodating cavity 220 and a base 21 assembled at the bottom of the casing 22, the two opposite sides of the casing 22 are air inlet sides having an assembly port 221, and an air inlet assembly is provided at the assembly port 221; the bladeless fan 3 is located in the accommodating cavity 220, the air outlet 5 is assembled at the top of the casing 22 and is connected to the bladeless fan 3; it also includes a rotating mechanism, which is arranged between the base 21 and the base 1 to drive the main unit 2 to rotate relative to the base 1; the air flow inlet 31 of the bladeless fan 3 is arranged opposite to the assembly port 221, the spacing R0 between the air flow inlets 31 on both sides of the bladeless fan 3, and the shortest lateral spacing 2R0≥L3≥0.5R0 between the air flow inlet and the assembly port 221.

[0006] In some preferred embodiments, the air inlet side is tilted so that the assembly opening 221 has an inclined angle of 5-35° with the longitudinal axis.

[0007] In some preferred embodiments, the size of the assembly opening 221 is larger than the air flow inlet 31 of the bladeless blower 3 .

[0008] In some preferred embodiments, the lateral width L1 of the assembly opening 221 and the lateral width R1 of the air inlet 31 are such that L1>R1; the longitudinal length L2 of the assembly opening 221 and the longitudinal length R2 of the air inlet 31 are such that L2>1.2R1.

[0009] In some preferred embodiments, the lowest position of the assembly opening 221 is lower than the lower end of the air flow inlet 31 , and the highest position of the assembly opening 221 is higher than the upper end of the air flow inlet 31 .

[0010] In some preferred embodiments, the housing 22 is in the shape of a truncated cone or a quadrangular cone that is larger at the bottom and smaller at the top; an ambient light 25 is also provided on the outer side of the housing 22 .

[0011] In some preferred embodiments, a connecting platform 4 is further provided between the bladeless fan 3 and the air outlet 5 , the air outlet 5 can be detachably mounted on the upper end surface of the connecting platform 4 , and the bladeless fan 3 can be detachably mounted on the lower end surface of the connecting platform 4 .

[0012] In some preferred embodiments, the air outlet head 5 is circular or annular in shape, and has an air duct 50 connected to the air flow outlet of the bladeless fan 3 inside, and a plurality of air outlets 51 connected to the air duct 50 are provided on the air outlet head 5.

[0013] In some preferred embodiments, one or more plasma generators 6 are installed in the air duct 50 , and the extension direction of the plasma generator 6 is consistent with the extension direction of the air duct 50 .

[0014] In some preferred embodiments, the rotating mechanism includes: a rotating shaft 11 fixed on the base 1, a limiting gear ring 12, a motor and a driving gear driven by the motor, a driven gear 211 fixed on the lower end surface of the base 21, the driven gear 211 is rotationally connected to the rotating shaft 11, and the driving gear is meshed between the driven gear 211 and the limiting gear ring 12.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] The air disinfector disclosed in the utility model has a high air purification and sterilization efficiency, which is mainly manifested in: first, the air inlet structure of the machine base is improved, and the shortest lateral distance between the air inlet of the bladeless fan and the assembly port is set to 2R0≥L3≥0.5R0, thereby increasing the shortest lateral distance between the air inlet component of the host and the air inlet of the bladeless fan, reducing the wind resistance of the air inlet component to the external air entering the accommodating cavity, and ensuring that the air disinfector can generate a large airflow; second, a rotating structure is adopted between the host and the base, so that the air outlet of the air outlet head can rotate to change the direction of the jet airflow during use. The overall structure is simple and easy to assemble and maintain later. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the three-dimensional exploded structure of a rotary air disinfector.

[0018] Figure 2 It is a schematic diagram of the internal structure of a rotary air disinfector.

[0019] Figure 3 It is a schematic diagram of the internal structure of an embodiment of a shower head. DETAILED DESCRIPTION

[0020] In order to further explain the technical means and effects adopted by the present application to achieve the predetermined purpose, the specific implementation methods, structures, features and effects of the present application are described in detail below in conjunction with the accompanying drawings and preferred embodiments. In the following description, different "one embodiment" or "embodiment" does not necessarily refer to the same embodiment. In addition, specific features, structures, or characteristics in one or more embodiments may be combined in any suitable form.

[0021] Combination Figure 1 , Figure 2 and Figure 3 As shown, the utility model discloses a rotary air disinfector using a bladeless fan, comprising a base 1, a main unit 2, a bladeless fan 3, an air outlet 5 and a plasma generator 6 built into the air outlet 5; the main unit 2 comprises a casing 22 having a accommodating cavity 220 and a base 21 mounted on the bottom of the casing 22, the two opposite sides of the casing 22 being air inlet sides having an assembly port 221, and an air inlet assembly being provided at the assembly port 221; the bladeless fan 3 is located in the accommodating cavity 220, the air outlet 5 is mounted on the top of the casing 22 and is connected to the bladeless fan 3; and further comprises a rotating mechanism, which is arranged between the base 21 and the base 1 to drive the main unit 2 to rotate relative to the base 1, thereby driving the air outlet 5 to rotate with the main unit 2, changing the direction of the air outlet 51 of the air outlet 5, so that the airflow with positive and negative ions generated by the plasma generator 6 drifts toward all directions of the room as the air outlet 5 rotates, thereby improving the purification and disinfection efficiency of the air disinfector for indoor air.

[0022] The air inlet assembly includes an air inlet grid 23 detachably fixed to the assembly port 221 and a filter purification screen 24 located on the inner side of the air inlet grid 23. The filter purification screen 24 is used to filter and preliminarily purify the air entering the accommodating chamber 220 through the air inlet grid 23. For example, the filter purification screen 24 is provided with activated carbon and filter cotton, which can remove odor and large dust particles in the air.

[0023] In a preferred embodiment, the rotating mechanism includes: a rotating shaft 11 fixed on the base 1, a limit gear ring 12, a motor and a driving gear driven by the motor, and a driven gear 211 fixed on the lower end surface of the base 21, the driven gear 211 is connected to the rotating shaft 11 in rotation, and the driving gear is meshed between the driven gear 211 and the limit gear ring 12. Therefore, when the motor drives the driving gear to rotate along the limit gear ring 12, it drives the driven gear 211 to rotate, thereby driving the main machine 2 to rotate relative to the base 1.

[0024] In order to prevent the driven gear 211 from getting stuck when rotatably connected to the rotating shaft 11 and to improve the working reliability of the rotating mechanism, the rotating shaft 11 is fixed to the lower end surface of the base 21 and the driven gear 211 is assembled on the rotating shaft 11 through a bearing.

[0025] The utility model tilts the air inlet side of the main unit 2 so that the assembly port 221 has an inclined angle of 5-35° with the longitudinal axis. With this structure, the space of the lower end of the air inlet 31 of the bladeless fan 3 near the accommodating chamber 220 is larger. In the process of using the bladeless fan 3 to transport the airflow upward from the air inlet 31 toward the air outlet 5, the wind resistance of the airflow entering the inlet 3 is reduced, so that the airflow can enter the bladeless fan 3 more smoothly from the inlet 31, so as to ensure that the air disinfector can generate a larger flow of airflow to improve the purification and sterilization efficiency.

[0026] The airflow inlet 31 of the bladeless fan 3 is arranged directly opposite to the assembly opening 221, the spacing between the airflow inlets 31 on both sides of the bladeless fan 3 is R0, and the shortest lateral spacing between the airflow inlet 31 and the assembly opening 221 is 2R0≥L3≥0.5R0. In this structure, by reasonably setting the lateral spacing between the airflow inlet 31 and the assembly opening 221, the wind resistance effect of the air inlet assembly on the external air entering the accommodating chamber 220 can be reduced, ensuring that a large amount of airflow can enter the accommodating chamber 220 through the air inlet assembly of the assembly opening 221.

[0027] When the shortest lateral spacing L3 between the air flow inlet 31 and the assembly port 221 is less than 0.5R0, the spacing between the air flow inlet 31 and the air inlet assembly is too small. Due to the wind resistance of the air inlet assembly to the external air entering the accommodating chamber 220, it is very easy to cause insufficient air flow entering the accommodating chamber 220 and affect the air flow discharged from the air outlet 5, thereby weakening the purification and sterilization effect of the air disinfector on the indoor air.

[0028] When the shortest lateral distance 2R0 ≥ L3 between the air inlet 31 and the assembly opening 221 , the size of the host 2 is too large, which may easily limit the use scenario of the air disinfector.

[0029] The size of the assembly opening 221 is larger than the airflow inlet 31 of the bladeless fan 3 to ensure that the external air can provide sufficient airflow supply to the bladeless fan 3 through the air inlet assembly.

[0030] Preferably, the lateral width L1 of the assembly opening 221 and the lateral width R1 of the air inlet 31 are such that L1>R1; the longitudinal length L2 of the assembly opening 221 and the longitudinal length R2 of the air inlet 31 are such that L2>1.2R1.

[0031] Furthermore, the lowest position of the assembly opening 221 is lower than the lower end of the airflow inlet 31 , and the highest position of the assembly opening 221 is higher than the upper end of the airflow inlet 31 , so that the airflow inlet 31 of the bladeless fan 3 is relatively located in the middle position of the assembly opening 221 .

[0032] The housing 22 is usually shaped like a frustum or a quadrangular pyramid that is larger at the bottom and smaller at the top.

[0033] Furthermore, an atmosphere light 25 is provided on the outer side of the housing 22. When the air sterilizer is working, the atmosphere light 25 is used to provide a lighting effect to enhance the user experience.

[0034] A connecting platform 4 is also provided between the bladeless fan 3 and the air outlet 5. The air outlet 5 can be detachably mounted on the upper end surface of the connecting platform 4, and the bladeless fan 3 can be detachably mounted on the lower end surface of the connecting platform 4, and the air flow outlet of the bladeless fan 3 is connected to the air outlet 5; the connecting platform 4 is limitedly mounted on the top surface of the casing 22, so that the overall structure of the air disinfector is simple, and it is easy to assemble and maintain the bladeless fan 3 at a later stage.

[0035] For example, a limiting groove 222 adapted to the connecting platform 4 is provided on the top surface of the casing 22, and the connecting platform 4 is located in the limiting groove 222, so that the bladeless fan 3 is located in the accommodating cavity 220 and the air outlet 5 is located above the main unit 1, thereby utilizing the connecting platform 4 to assemble the main unit 2, the bladeless fan 3 and the air outlet 5 into one.

[0036] The shape of the air outlet head 5 is usually circular or annular, and has an air duct 50 connected to the air flow outlet of the bladeless fan 3 inside, and a plurality of air outlets 51 connected to the air duct 50 are provided on the air outlet head 5.

[0037] One or more plasma generators 6 are installed in the air duct 50 , and the extension direction of the plasma generator 6 is consistent with the extension direction of the air duct 50 , so as to reduce the wind resistance of the plasma generator 6 to the airflow in the air duct 50 .

[0038] The plasma generator 6 usually adopts a dielectric barrier discharge unit, which is composed of an emitter plate, two layers of dielectric barrier plates respectively arranged on the two outer sides of the emitter plate, and two layers of grounding plates respectively arranged on the outer sides of the two layers of dielectric barrier plates. The dielectric barrier discharge unit has the characteristics of compact structure, easy installation and good disinfection effect.

[0039] The working principle of the air disinfector of the present invention is as follows: external air enters the accommodating chamber 220 through the air inlet assembly, is sucked in by the air flow inlet 31 of the bladeless fan 3, generates a high-speed airflow and is sent into the air duct 50 of the air outlet head 5. The high-speed airflow is squeezed in the air duct 50, and when flowing through the surface of the plasma generator 6, it quickly drives the positive and negative ions generated by the ionization of the plasma generator 6, and the airflow with the positive and negative ions is ejected outward from the air outlet 51 into the indoor air, and the indoor air is sterilized and disinfected by the positive and negative ions; at the same time, the main unit 2 is driven to rotate by a rotating mechanism, so that the air outlet 51 of the air outlet head 5 ejects the airflow with the positive and negative ions in different directions, thereby improving the purification and sterilization effect of the air disinfector.

[0040] The above description is only a preferred embodiment of the present application and is not intended to limit the present application. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. A rotary air disinfector using a bladeless fan, comprising a base (1), a main unit (2), a bladeless fan (3), an air outlet (5), and a plasma generator (6) located in the air outlet (5); the main unit (2) comprises a casing (22) having a receiving cavity (220) and a base (21) mounted on the bottom of the casing (22); two opposite sides of the casing (22) are air inlet sides having an assembly opening (221), and an air inlet assembly is provided at the assembly opening (221); the bladeless fan (3) is located in the receiving cavity (220), and the air outlet (5) is mounted on the top of the casing (22) and is connected to the bladeless fan (3); It is characterized in that It also includes a rotating mechanism, which is arranged between the machine base (21) and the base (1) to drive the main machine (2) to rotate relative to the base (1); The airflow inlet (31) of the bladeless fan (3) is arranged opposite to the assembly opening (221), the spacing between the airflow inlets (31) on both sides of the bladeless fan (3) is R0, and the shortest lateral spacing between the airflow inlet (31) and the assembly opening (221) is 2R0≥L3≥0.5R0.

2. The rotary air disinfector according to claim 1, characterized in that: The air inlet side is arranged tilted so that an inclined angle of 5-35° exists between the assembly opening (221) and the longitudinal axis.

3. The rotary air disinfector according to claim 1, characterized in that: The size of the assembly opening (221) is larger than the size of the airflow inlet (31) of the bladeless fan (3).

4. The rotary air disinfector according to claim 1, characterized in that: The lateral width L1 of the assembly opening (221) and the lateral width R1 of the airflow inlet (31), L1>R1; the longitudinal length L2 of the assembly opening (221) and the longitudinal length R2 of the airflow inlet (31), L2>1.2R1.

5. The rotary air disinfector according to claim 1, characterized in that: The lowest position of the assembly opening (221) is lower than the lower end of the airflow inlet (31), and the highest position of the assembly opening (221) is higher than the upper end of the airflow inlet (31).

6. The rotary air disinfector according to claim 1, characterized in that: The housing (22) is in the shape of a truncated cone or a quadrangular cone that is larger at the bottom and smaller at the top; an ambient light (25) is also provided on the outer side of the housing (22).

7. The rotary air disinfector according to claim 1, characterized in that: A connecting platform (4) is also provided between the bladeless fan (3) and the air outlet head (5); the air outlet head (5) can be detachably mounted on the upper end surface of the connecting platform (4); and the bladeless fan (3) can be detachably mounted on the lower end surface of the connecting platform (4).

8. The rotary air sterilizer according to claim 1, characterized in that: The air outlet head (5) is circular or annular in shape, and has an air duct (50) inside thereof connected to the air flow outlet of the bladeless fan (3), and a plurality of air outlets (51) connected to the air duct (50) are provided on the air outlet head (5).

9. The rotary air sterilizer according to claim 8, characterized in that: One or more plasma generators (6) are installed in the air duct (50), and the extension direction of the plasma generator (6) is consistent with the extension direction of the air duct (50).

10. The rotary air disinfector according to any one of claims 1 to 9, characterized in that: The rotating mechanism comprises: a rotating shaft (11) fixed on a base (1), a limit gear ring (12), a motor and a driving gear driven by the motor, and a driven gear (211) fixed on a lower end surface of a machine base (21), the driven gear (211) being rotationally connected to the rotating shaft (11), and the driving gear being meshed between the driven gear (211) and the limit gear ring (12).

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