Large-air-volume low-rotating-speed fan with adjustable fan blade structure

By introducing a photoplasma generator and a removable blind plate into the fan blade structure, the photoplasma diffusion speed is adjusted, solving the problem of HVLS fan interfering with the airflow of the sterilizer, and achieving uniform distribution of disinfectant and regionally adaptive sterilization.

CN224017446UActive Publication Date: 2026-03-20GUANGZHOU BAIWUCHUN TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-13
Publication Date
2026-03-20

AI Technical Summary

Technical Problem

When HVLS fans operate in tall spaces, they can interfere with the airflow of the sterilizer, resulting in uneven distribution of the disinfectant, reduced sterilization effect, and difficulty in adapting to the sterilization needs of different areas.

Method used

Design a high-volume, low-speed fan with adjustable blade structure. Employ a photoplasma generator inside hollow blades and a detachable perforated blind plate. By adjusting the perforation size and position of the blind plate, the photoplasma diffusion speed can be controlled to meet the disinfection needs of different areas.

Benefits of technology

It achieves uniform distribution of disinfectant in different areas, improves disinfection effect, and adapts to the disinfection needs of different areas.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of space disinfection, in particular to a large-air-volume low-rotating-speed fan with an adjustable fan blade structure. According to the large-air-volume low-rotating-speed fan with the adjustable fan blade structure, a light plasma generator is arranged at the hollow position in the tail end of each fan blade, a wind dispelling hole is formed in the upper side of the hollow position, a hollow blind plate is detachably installed between each light plasma generator and the corresponding wind dispelling hole, and a plurality of blind plates which are not completely the same in hollow size are arranged; in the state that the light plasma generator and the blind plate are both installed in the fan blade, light plasmas generated by the light plasma generator in work upwards sequentially penetrate through the hollowed-out position of the blind plate and the wind dispelling hole and then enter external air, and the penetrating amount of the light plasmas is different if the hollowed-out size of the blind plate is different. The blind plates with different sizes are respectively mounted in the fan blades in a detachable and replaceable manner, so that the fan blades diffuse light plasmas with different quantities outwards within the same time, and the disinfection requirements of different areas can be met only by mounting the blind plates with different sizes in the fan blades in different areas.
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Description

TECHNICAL FIELD

[0001] The utility model relates to space disinfection technical field especially, relates to a big air volume low speed fan of adjustable fan blade structure and big air volume low speed fan of adjustable fan blade structure. BACKGROUND

[0002] HVLS (High Volume - Low Speed) is widely used in industrial plants, logistics and warehousing, waiting room, exhibition hall, gymnasium, supermarket and other high space, as the preferred solution for space ventilation, personnel cooling. In the place where HVLS (High Volume - Low Speed) fan is installed, and only small air disinfection machine can be arranged, the HVLS fan will disturb the air diffused by the disinfection machine when working, reducing the effect of the disinfection machine. The strong air volume and low speed of HVLS fan may cause changes in air flow, and if the fluctuation of air flow is too frequent or too strong, it will interfere with the ability of the disinfection machine to evenly release disinfectant to the whole space, such as the distribution of disinfectant may become uneven, resulting in reduced disinfection effect, and it is not convenient to adapt to the disinfection needs of different areas. SUMMARY

[0003] The technical problem to be solved by the utility model is to provide a big air volume low speed fan that can adapt to the disinfection needs of different areas.

[0004] To solve the above technical problems, the utility model provides a big air volume low speed fan with adjustable fan blade structure, which comprises a plurality of fan blades, the inner end of each fan blade is hollow, and a wind hole is arranged on the upper side of the hollow part of the fan blade; a light plasma generator is installed in the hollow part of the fan blade, and the light plasma generated by the working light plasma generator passes through the wind hole into the room; a hollow blind plate is arranged between the light plasma generator and the wind hole, the blind plate is detachably installed in the hollow part of the end of the fan blade, and the hollow part of the blind plate is connected with the light plasma outlet of the light plasma generator and the wind hole; there are a plurality of blind plates with different hollow sizes.

[0005] Further, the blind plate is detachably installed in the hollow part of the end of the fan blade, that is, one of the hollow part of the end of the fan blade and the blind plate is provided with a buckle, and the other is provided with a clasp matched with the buckle, and the buckle and the clasp are detachably connected.

[0006] Further, the clasp is arranged beside the wind hole, and the buckle is arranged on the upward side of the blind plate.

[0007] Further, the hollow of each blind plate is meshed or strip-shaped.

[0008] Further, the bottom surface of the hollow part at the end of the fan blade is provided with a plurality of arrayed through holes at the installation position of the light plasma generator.

[0009] Further, an intermediate part is installed between the through holes and the light plasma generator, and the intermediate part is horizontally movable relative to the light plasma generator to adjust the number of blocked through holes.

[0010] Further, the intermediate part comprises a communication layer provided with a plurality of transverse water-drop-shaped openings and a plurality of blades with sizes matching the sizes of the water-drop-shaped openings.

[0011] Further, the plurality of blades and the plurality of transverse water-drop-shaped openings of the communication layer all converge at the center, and the horizontal movement refers to that the plurality of blades of the intermediate part rotate together relative to the communication layer with the center as the axis, and the angle of rotation is different, so that the sizes of the transverse water-drop-shaped openings blocked by each blade are different.

[0012] Further, the end of the fan blade is provided with an opening for dismounting or mounting the blind plate, and an end head is buckled in the opening.

[0013] Further, the light plasma generator is installed at the bottom surface of the hollow part at the end of the fan blade.

[0014] The fan blade structure adjustable large air volume low speed fan of the utility model discloses a hollow part in each fan blade end, and the hollow part is provided with a light plasma generator, the fan blade on the upper side of the hollow part is provided with a draft hole, a hollow blind plate is detachably installed between the light plasma generator and the draft hole, the hollow part of the blind plate is communicated with the light plasma outlet of the light plasma generator and the draft hole, and the light plasma generated by the light plasma generator works and enters the external air in sequence through the hollow part of the blind plate and the draft hole when the light plasma generator and the blind plate are both installed in the fan blade. There are a plurality of blind plates with different hollow sizes, and the blind plates are respectively installed in the fan blade in a detachable replacement mode, so that the light plasma passes through the hollow part of the blind plate with different sizes, thereby adjusting the speed of the light plasma diffused outward in the fan blade. Thus, the fan blade diffuses different amounts of light plasma outward in the same time, and only the blind plates with different sizes need to be installed in the fan blades in different areas, so that the disinfection demand of different areas can be met. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a three-dimensional schematic view of the fan blade structure adjustable large air volume low speed fan.

[0016] Figure 2 It is Figure 1 It is an exploded structural schematic view of the fan blade end A of the fan blade structure adjustable large air volume low speed fan.

[0017] Figure 3 is a schematic diagram of the blind plate mounting structure of the large air volume low speed fan with adjustable fan blade structure. DETAILED DESCRIPTION

[0018] The present application will be further described in detail below in conjunction with the specific embodiments.

[0019] The large air volume low speed fan with adjustable fan blade structure of the present embodiment is shown in Figure 1 , which comprises a plurality of fan blades 1, each of which has a hollow interior at the end, and a light hole 11 is provided on the upper side of the hollow interior of the fan blade 1. A light plasma generator (not shown in the figure) is installed at the bottom of the hollow interior at the end of each fan blade 1, and the light plasma generated by the operation of the light plasma generator passes through the light hole 11 into the room. Figure 1 The exploded structure of the middle fan blade end A is shown in Figure 2 , and an opening 12 is provided at the end of the fan blade 1, and an end cap 13 is buckled at the opening. The end cap 13 can be removed from the opening 12 to expose the internal hollow of the end of the fan blade 1. As shown in Figure 3 , the large air volume low speed fan with adjustable fan blade structure comprises a hollow blind plate 2 provided between the light plasma generator and the light hole 11, and the hollow of each blind plate 2 is respectively meshed or strip-shaped, and the hollow of the blind plate 2 is connected to the light plasma outlet of the light plasma generator and the light hole 11.

[0020] The large air volume low speed fan with adjustable fan blade structure of the present embodiment has a plurality of blind plates 2 with different hollow sizes, and each blind plate 2 is detachably mounted in the hollow at the end of the fan blade. The blind plate 2 can be detached or mounted by removing the end cap 13. The detachable mounting of the blind plate 2 in the hollow at the end of the fan blade means that one of the hollow interior at the end of the fan blade 1 and the blind plate 2 is provided with a buckle 3, and the other is provided with a clasp 4 matched with the buckle. The buckle and the clasp are detachably connected. In the present embodiment, the clasp is provided beside the light hole 11, and the buckle is provided on the upward side of the blind plate 2.

[0021] In the state that the light plasma generator and the blind plate are both mounted in the fan blade, the light plasma generated by the operation of the light plasma generator passes through the hollow of the blind plate and the light hole in turn and then enters the external air. By detachably replacing a plurality of blind plates with different hollow sizes in the fan blade, the light plasma passes through the hollow of the blind plates with different sizes, so as to adjust the speed of the outward diffusion of the light plasma in the fan blade. Thus, the fan blades diffuse different amounts of light plasma outward in the same time, and only by installing blind plates with different sizes in the fan blades in different areas can the disinfection requirements of different areas be met.

[0022] The bottom surface of the hollow part of the fan blade end of the fan blade structure of the large air volume low speed fan of the embodiment is provided with a plurality of arrayed through holes at the installation position of the light plasma generator, and further comprises an intermediate piece installed between the through holes and the light plasma generator, the intermediate piece can move horizontally relative to the light plasma generator to adjust the number of blocked through holes. The intermediate piece comprises a communication layer and a plurality of blades, the communication layer is provided with a plurality of transverse water drop-shaped openings, and the size of the blades is matched with the size of the water drop-shaped openings. The plurality of blades and the plurality of transverse water drop-shaped openings of the communication layer are all converged at the center, the plurality of blades of the intermediate piece rotate together relative to the communication layer with the center as the axis, the size of the transverse water drop-shaped openings blocked by each blade is different when the angle of rotation is different, so that the speed of the air entering the fan blade can be adjusted, and the number of light plasma diffused outward can be further adjusted.

[0023] The above description is only an embodiment of the present application, and does not limit the patent protection range. The person skilled in the art can make non-essential changes or substitutions on the basis of the present application, and still fall within the patent protection range.

Claims

1. A high-volume, low-speed fan with adjustable blade structure, comprising multiple blades (1), characterized in that, Each fan blade (1) has a hollow interior at its end, and an air vent (11) is provided on the upper side of the hollow part of the fan blade (1); it includes a photoplasma generator installed in the hollow part of the fan blade (1), and the photoplasma generated by the photoplasma generator passes upward through the air vent (11) and enters the room; The device includes a hollow blind plate (2) disposed between the photoplasma generator and the air vent (11). The blind plate (2) is detachably installed in the hollow part at the end of the fan blade. The hollow part of the blind plate (2) connects the photoplasma outlet of the photoplasma generator and the air vent (11). There are multiple blind plates with different hollow sizes. The end of the fan blade (1) is provided with an opening (12) including an end (13) that is fastened to the opening. The end (13) can be removed from the opening (12) to expose the hollow interior of the end of the fan blade (1).

2. The adjustable blade structure high-volume low-speed fan according to claim 1, characterized in that: The blind plate (2) is detachably installed in the hollow part at the end of the fan blade, meaning that one of the hollow part at the end of the fan blade (1) and the blind plate (2) is provided with a buckle (3), and the other is provided with a retaining ring (4) adapted to the buckle, and the buckle and the retaining ring are detachably connected.

3. The adjustable blade structure high-volume low-speed fan according to claim 2, characterized in that: The retaining ring is located beside the ventilation hole (11), and the buckle is located on the upward-facing side of the blind plate (2).

4. The adjustable blade structure high-volume low-speed fan according to claim 1, characterized in that: The perforations of each blind plate are either mesh-like or strip-like.

5. The adjustable blade structure high-volume low-speed fan according to claim 1, characterized in that: The bottom surface of the hollow section at the end of the fan blade is provided with multiple arrayed through holes at the mounting location of the photoplasma generator.

6. The adjustable blade structure high-volume low-speed fan according to claim 5, characterized in that: It includes an intermediate component installed between the through-hole and the photoplasma generator, the intermediate component being horizontally movable relative to the photoplasma generator to adjust the number of through-holes blocked.

7. The adjustable blade structure high-volume low-speed fan according to claim 6, characterized in that: The intermediate component includes a connecting layer and multiple blades. The connecting layer has multiple transverse teardrop-shaped openings, and the size of the blades matches the size of the teardrop-shaped openings.

8. The high-volume, low-speed fan with adjustable blade structure according to claim 7, characterized in that: The multiple blades and the multiple transverse teardrop-shaped openings of the connecting layer all converge at the center. The horizontal movement refers to the multiple blades of the intermediate component rotating together relative to the connecting layer with the center as the axis. The size of the transverse teardrop-shaped opening blocked by each blade is different depending on the angle of rotation.

9. The adjustable blade structure high-volume low-speed fan according to claim 1, characterized in that: The photoplasma generator is installed on the bottom surface of the hollow part at the end of the fan blade.