CN112160926A

CN112160926A - Ceiling fan

Info

Publication number: CN112160926A
Application number: CN202011229658.1A
Authority: CN
Inventors: 潘文康; 傅程; 罗伟锦; 康瑞祥; 曾庆河; 邱水兵
Original assignee: Midea Group Co Ltd; GD Midea Environment Appliances Manufacturing Co Ltd
Current assignee: Midea Group Co Ltd; GD Midea Environment Appliances Manufacturing Co Ltd
Priority date: 2020-11-06
Filing date: 2020-11-06
Publication date: 2021-01-01
Anticipated expiration: 2040-11-06
Also published as: CN112160926B

Abstract

The invention provides a ceiling fan, comprising: the air conditioner comprises a machine shell, wherein an air outlet is formed in the machine shell; the wind wheel assembly is arranged in the machine shell and communicated with the air outlet; the grid assembly is arranged at the air outlet and comprises a plurality of grid openings, and the opening areas of at least two grid openings in the grid openings are different. The grille openings with different opening areas are correspondingly arranged at different positions of the air outlet at different wind speeds, so that the wind resistance of the airflow at different positions of the air outlet is different, the mutual balance of the wind resistance and the loss of the airflow is ensured, and the purpose of uniform air supply is realized.

Description

Ceiling fan

Technical Field

The invention relates to the technical field of household appliances, in particular to a ceiling fan.

Background

In the related art, the blades of the ceiling fan are exposed, so that a user may contact the blades rotating at a high speed during the use of the ceiling fan, thereby causing an accident, and the air outlet of the ceiling fan is not uniform.

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art.

To this end, the invention provides a ceiling fan.

In view of the above, the present invention provides a ceiling fan, comprising: the air conditioner comprises a machine shell, wherein an air outlet is formed in the machine shell; the wind wheel assembly is arranged in the machine shell and communicated with the air outlet; the grid assembly is arranged at the air outlet and comprises a plurality of grid openings, and the opening areas of at least two grid openings in the grid openings are different.

The invention provides a ceiling fan which comprises a machine shell, a wind wheel assembly and a grille assembly. Wherein, be provided with the air outlet on the casing, the wind wheel subassembly sets up in the casing and is linked together with the air outlet, and the grid subassembly sets up in air outlet department, and the grid subassembly includes a plurality of grid mouths. In the process of the operation of the ceiling fan, the distances between each position of the air outlet and the air wheel component are different, and the air flow is inevitably subjected to loss in the flowing process, so that the flow velocity of the air flow which is ready to flow out of each position of the air outlet is different, the opening areas of at least two grid openings in the plurality of grid openings are different, the grid openings with different opening areas are respectively and correspondingly arranged at different positions of the air speed of the air outlet, the air resistance of the air flow at different positions of the air outlet is different, the mutual balance of the air resistance and the loss of the air flow is ensured, and the aim of uniform air supply is fulfilled.

In addition, during the operation of the ceiling fan, the wind wheel component runs in the casing, and the casing can prevent a user from directly contacting the wind wheel component in operation. Under the rotation of the wind wheel component, airflow with certain wind pressure and wind speed can be generated, the airflow flows to the air outlet communicated with the wind wheel component and finally flows out of the air outlet, and air supply to a user is achieved.

That is, the ceiling fan provided by the invention eliminates the potential safety hazard that a user contacts the wind wheel component by arranging the wind wheel component in the casing. Through set up the grid subassembly that grid mouth opening area is unequal in air outlet department, make each position that the air outlet wind speed is different receive with wind speed assorted windage, and then make the air current that flows from the air outlet more even, improved the air supply effect.

The ceiling fan according to the above technical scheme of the present invention may further have the following additional technical features:

in the above technical solution, further, in two adjacent grille openings, the opening area of the grille opening close to the wind wheel assembly is smaller than the opening area of the grille opening far from the wind wheel assembly.

In this technical solution, when the airflow moves in a direction away from the wind wheel assembly, the wind speed gradually decreases, so the wind speed near the wind wheel assembly is higher than the wind speed far away from the wind wheel assembly. In two adjacent grid openings, the opening area of the grid opening far away from the wind wheel assembly is larger than that of the grid opening close to the wind wheel assembly, so that the resistance of the airflow far away from the wind wheel assembly is lower than that of the airflow close to the wind wheel assembly. That is, the wind resistance at the low wind speed is smaller than that at the high wind speed, so that the uniformity of the airflow flowing out of the air outlet is improved.

In any of the above solutions, further, the grille assembly includes: a plurality of grid pieces, a grid opening is formed between two adjacent grid pieces.

In this solution, the grid assembly comprises a plurality of grid segments. The grille opening that forms between two adjacent grille pieces of air current accessible flows to indoorly from the air outlet, can correspond the open area who adjusts each grille opening through the position of adjustment grille piece to the different air currents that the ceiling fan of the different models of adaptation or wind wheel subassembly produced, the suitability is strong, is favorable to reduction in production cost.

In any one of the above technical solutions, further, the plurality of grid plates are located on the side of the wind wheel assembly, in the distribution direction of the plurality of grid plates, the distance between two adjacent grid plates gradually increases, and the wind wheel assembly is located on the side with the smaller distance.

In this technical scheme, a plurality of grid pieces are located the side of wind wheel subassembly, and when the wind wheel subassembly produced the air current, the air current can flow in from one side of grid subassembly, and when the air current flows, a wind air current directly flows out from the air outlet through the grid mouth that is close apart from the wind wheel subassembly, and another part air current continues to flow towards farther direction to flow from the air outlet through some grid mouths far away from the wind wheel subassembly. In the distribution direction of a plurality of grid pieces, the interval between two adjacent grid pieces is crescent gradually, and the wind wheel subassembly is located the less one side of interval. Therefore, along the flowing direction of the air flow, namely from the direction close to the wind wheel assembly to the direction far away from the wind wheel assembly, the opening area of the grid openings is gradually increased, the corresponding wind resistance is gradually reduced, the air flow flowing out of the air outlet through different grid openings is more uniform, and the air supply effect is improved.

In any of the above technical solutions, further, the method further includes: and the turbulence structure is arranged on one wall surface of each grid plate facing the wind wheel component.

In the technical scheme, the ceiling fan further comprises a turbulence structure, and each grating sheet faces one wall surface of the wind wheel component, namely the windward side of each grating sheet is provided with the turbulence structure. The original noise frequency of the airflow can be changed under the disturbance action of the turbulence structure, the noise frequencies at different grating pieces are different, and then the noise frequency of the grating assembly is changed, and the noise frequencies generated at all positions are dispersed. The noise frequencies of different positions of the grille component are different, so that the noises at different positions can not be superposed, noise resonance is effectively avoided, and the noise generated by the ceiling fan in the operation process is greatly reduced.

In any of the above technical solutions, further, the spoiler structure protrudes from the plurality of grid pieces; and/or the flow disturbing structure is recessed in the plurality of grid pieces.

In this technical scheme, on the one hand, with vortex structure protrusion in a plurality of grid pieces setting, make the windward side of grid piece have protruding structure, and then carry out the vortex to the air current, change the produced noise frequency of grid piece. On the other hand, the turbulence structure is recessed in the plurality of grid pieces, so that the windward side of the grid pieces is provided with the recessed structure, airflow is disturbed, and the noise frequency generated by the grid pieces is changed. Further, still can use the vortex structure that the protrusion set up and the vortex structure of sunken setting simultaneously in a plurality of grid pieces to further reinforcing vortex effect makes the noise frequency that the grid subassembly different positions produced more disperse, has further promoted the noise reduction effect.

In any of the above technical solutions, further, the turbulent flow structure includes one or a combination of the following: corrugated structure, sawtooth structure, square tooth structure, protruding structure, groove structure.

In this technical scheme, the vortex structure includes at least one of non-planar structures such as ripple structure, sawtooth structure, square tooth structure, protruding structure, groove structure to disturb the air current that comes to effectively. When the turbulence structure with the same structure is selected for turbulence, the processing difficulty of the turbulence structure can be reduced, and therefore the processing cost of the ceiling fan is reduced. When the turbulence structures with different structures are selected for combination to achieve turbulence, the turbulence effect can be further improved to meet the higher noise reduction requirement, and a user can flexibly set the specific structure of the turbulence structure according to the use scene of the ceiling fan.

In any of the above technical solutions, further, the method further includes: and the air outlet duct is arranged in the shell and is connected with the ventilation wheel assembly and the air outlet.

In the technical scheme, the ceiling fan further comprises an air outlet duct. The air outlet duct is arranged in the machine shell and is connected with the air wheel component and the air outlet, a certain air pressure is generated when the air wheel component operates, air flow is sent into the air outlet duct, and the air outlet duct is communicated with the air outlet on the machine shell; when the air outlet duct is full of air flow, the air pressure in the air outlet duct is increased, so that the air flow can finally flow out from the air outlet, and air supply to a user is realized. The air guide function can be realized in the air outlet duct, and no matter which direction of air flow is generated by the air wheel component, the air flow can be guided to the air outlet by the air outlet duct, so that the air quantity loss is reduced, and the energy efficiency of the ceiling fan is improved.

In any of the above technical solutions, further, in the height direction of the ceiling fan, the air outlet is located below the air outlet duct, the air wheel assembly is located on the side of the air outlet duct, and the grille assembly is disposed in the air outlet duct.

In the technical scheme, in the height direction of the ceiling fan, the air outlet is positioned below the air outlet duct, so that the air flow in the air outlet duct is discharged from the air outlet positioned below the air outlet duct to supply air to a user. The air flow discharged by the air wheel component is distributed on the peripheral side of the air wheel component, so that the air wheel component is arranged on the side of the air outlet duct, and the air flow generated by the air wheel component is sent into the air outlet duct from one side of the air outlet duct by adopting a side air supply mode, thereby being beneficial to the conduction of the air flow. The grid assembly is arranged in the air outlet duct, and can adjust the wind resistance of air flows at different positions in the air outlet duct. In addition, the wind wheel component is located the side of air outlet duct, can effectively reduce the whole height of ceiling fan, when installing the ceiling fan on roof or ceiling, can guarantee the distance between ceiling fan and the user. The air outlet is positioned below the air outlet duct, so that the ceiling fan can be used for exhausting air downwards, and further, air flow is uniformly provided for a user.

That is, according to the ceiling fan provided by the technical scheme, the airflow flows out from the air outlet duct at the side under the action of the air wheel assembly, and then blows out downwards through the air outlet below the air outlet duct. The grid assembly in the air outlet duct enables air flows at different positions in the air outlet duct to be subjected to different wind resistances, so that uniformity of the air flow blown out from the air outlet is improved. Furthermore, the air outlet is in a strip shape, and the air wheel component is positioned on the side of the axis of the air outlet. When the air flow flows in the air outlet duct, one part of the air flow directly flows out through a part of the air outlet below the air outlet duct, which is close to the air wheel component, and the other part of the air flow continuously flows towards a farther direction and flows out through a part of the air outlet far away from the air wheel component.

In any one of the above technical solutions, the air outlet duct includes: a first air outlet wall surface; and the air outlet is positioned between the first air outlet wall surface and the second air outlet wall surface.

In this technical scheme, the air-out wind channel includes first air-out wall and second air-out wall, and the air outlet is located between first air-out wall and the second air-out wall to be the strip distribution. An overflowing space is formed between the first air outlet wall surface and the second air outlet wall surface, airflow generated by the air wheel assembly can flow into the overflowing space, and the airflow flows towards the direction far away from the air wheel assembly in the overflowing space. In the process of air flow flowing, a part of air flow continuously flows out from the air outlet which is below the air outlet duct and is close to the air wheel component, and the other part of air flow continuously flows out from the air outlet which is far away from the air wheel component. So set up for the water conservancy diversion goes on with giving vent to anger in step, and has effectively increased the air-out area of air outlet, and then realizes the large tracts of land air supply, has promoted the air supply effect.

In any one of the above technical solutions, further, one end of the air outlet duct is communicated with the air wheel assembly, the other end of the air outlet duct extends towards the direction departing from the air wheel assembly, and the distance between the first air outlet wall surface and the second air outlet wall surface is gradually reduced in the extending direction of the air outlet duct.

In this technical scheme, the one end in air-out wind channel is linked together with the wind wheel subassembly, and the other end orientation deviates from the direction extension of wind wheel subassembly, and the air current that the wind wheel subassembly produced can flow along the extending direction in air-out wind channel, and then keeps away from the wind wheel subassembly gradually. Particularly, the air outlet is located below the air outlet duct, so that the air flow gradually flows out through the air outlet in the process of flowing towards the air outlet duct away from the air wheel assembly. Therefore, in the extending direction, the distance between the first air outlet wall surface and the second air outlet wall surface is gradually reduced, through the design of the gradually-reduced air outlet duct, the air pressure can be prevented from being rapidly attenuated when the air flow is transmitted to the direction far away from the air wheel assembly, so that the air flow can maintain stable air pressure in the conduction process, the air speed of the air flow flowing out from the air outlet is more uniform, especially, the air outlet at the position near the air wheel assembly and the air outlet at the position far away from the air wheel assembly are ensured to uniformly discharge air, and the air discharge stability and the air discharge stationarity are improved.

In any of the above technical solutions, further, the method further includes: and the flow guide structure is connected with the air outlet duct and extends towards the air outlet.

In this technical scheme, the ceiling fan still includes the water conservancy diversion structure, and the water conservancy diversion structure is connected with the air-out wind channel to extend towards the air outlet, and then realized leading the wind in the air-out wind channel to the air outlet fast, to the user air supply, can further reduce the retention volume of air current in the air-out wind channel, and then reduce the amount of wind loss, improve the air-out effect. Specifically, the diversion structure is connected with the second air outlet wall surface of the air outlet duct and is arranged towards one side of the first air outlet wall surface in an inclined mode.

In any of the above technical solutions, further, the flow guiding structure includes a flow guiding surface, and the flow guiding surface is disposed in an inclined manner with respect to an inner wall of the air outlet duct.

In this technical scheme, the water conservancy diversion structure includes the water conservancy diversion face that sets up for the inner wall slope of air-out wind channel. On one hand, the flow guide surface has a guiding function, and the air flow in the air outlet duct can flow to the air outlet along the obliquely arranged flow guide surface. On the other hand, through setting up the water conservancy diversion face of slope, can make to form convergent water conservancy diversion space between water conservancy diversion face and the inner wall in air-out wind channel to make the air current atmospheric pressure that gets into air outlet department promote, improved the wind speed that the air current flows from the air outlet, and then enlarged the air supply scope of ceiling fan, satisfied the air supply demand of more scenes.

In any of the above technical solutions, further, the wind wheel assembly includes: the volute is arranged in the shell, an air supply outlet is formed in the volute, and the wind wheel is arranged in the volute and communicated with the air outlet channel through the air supply outlet; and the driving part is connected with the wind wheel.

In this solution, the wind wheel assembly comprises a volute, a wind wheel and a drive component. Wherein, through set up the driver part in the spiral case, provide driving system for the output air current. The driving part is connected with the wind wheel, and the wind wheel can rotate under the driving of the driving part, so that a negative pressure area is formed in the central area of the wind wheel, airflow is sucked from the central area, and the sucked airflow is discharged under the rotating action of the wind wheel. The volute is provided with the air supply opening, so that the air flow discharged by the rotation of the wind wheel is driven to have certain air pressure and air speed and is guided into the air outlet duct through the air supply opening.

In any of the above technical solutions, further, the inner walls of the volute and the air outlet duct are connected at the air supply opening, and a connection included angle between the volute and the air outlet duct is greater than or equal to 90 ° and less than or equal to 180 °.

In the technical scheme, the volute and the inner wall of the air outlet duct are connected at the air supply opening, and the included angle formed between the direction of the air flow discharged by the wind wheel at the air supply opening and the inner wall of the air outlet duct is controlled within the range of 90-180 degrees, so that the included angle formed between the direction of the air flow discharged by the wind wheel at the air supply opening and the inner wall of the air outlet duct is within a reasonable range, the impact of the air flow on the inner wall of the air outlet duct is reduced, and the wind power loss and the noise generated in the air supply process are reduced.

In any of the above technical solutions, further, the wind wheel assembly further includes: the mounting cavity is arranged in the volute, the wind wheel and the driving component are arranged in the mounting cavity, and the air supply outlet and the air outlet duct are positioned on the side of the mounting cavity; and/or the avoidance groove is arranged on the wind wheel, and at least part of the driving part is accommodated in the avoidance groove.

In this technical scheme, the wind wheel subassembly still includes the installation cavity. The installation cavity is arranged in the volute, so that a cavity space is reserved in the middle of the volute, the reduction of the installation space is facilitated, the wind wheel is arranged in the installation cavity, the compact installation and connection of the volute and the wind wheel are realized, and the installation space is saved. Meanwhile, the air supply outlet and the air outlet channel are positioned on the side of the mounting cavity, air flow discharged by the wind wheel can be sent to the air supply outlet from the side of the mounting cavity and enters the air outlet channel communicated with the air supply outlet, circulation of the air flow is facilitated, and the mounting cavity is simple in structure and easy to process and produce.

In addition, the wind wheel component also comprises an avoiding groove. Through dodging the recess and setting up on the wind wheel, can provide installation space for drive unit, drive unit part holding at least can reduce the space that drive unit and wind wheel occupy jointly in dodging the recess to reduce the overall dimension of wind wheel subassembly, and then reduce the holistic volume of ceiling fan, provide the condition for the miniaturized production.

In any of the above solutions, further, the volute includes: the air guide wall surface is arranged on the periphery of the wind wheel and extends towards the air supply outlet; the volute tongue is connected with the air guide wall surface; wherein, in the extending direction of the air guide wall surface, the distance between the air guide wall surface and the axis of the wind wheel is gradually increased.

In the technical scheme, the volute comprises an air guide wall surface and a volute tongue. Wherein, set up the wind-guiding wall through the periphery at the wind wheel, be favorable to reducing the loss of air current in the circulation in-process on the one hand, on the other hand has still realized turning to of air current, and the air current leaves the wind wheel and gets into the spiral case under the wind wheel rotation drives to along the wind-guiding wall pressurization flow direction supply-air outlet gradually.

Further, the distance between the air guide wall surface and the axis of the wind wheel is gradually increased in the extending direction of the air guide wall surface, and the curvature of the air guide wall surface is gradually decreased, so that the gradually pressurized air flow can be relatively smoothly steered. The wind guide wall surface is gradually far away from the wind wheel, the sectional area of airflow flow beams can be gradually increased, and the position of the air supply outlet reaches the maximum, so that the air outlet duct can be quickly filled with the airflow, and the external air supply is realized. The volute tongue is arranged and connected with the air guide wall surface, and the shape of the airflow is also in accordance with that of airflow, so that airflow circulation is smoother, and the loss of the airflow is reduced to the maximum extent.

In any of the above technical solutions, further, the ceiling fan includes an air outlet system, and the air outlet system includes an air outlet, an air wheel assembly and a grille assembly; wherein, the air-out system is one or more.

In the technical scheme, the ceiling fan comprises an air outlet system, and the air outlet system comprises an air outlet, an air wheel assembly and a grille assembly. When the number of the air outlet systems is multiple, the air supply intensity can be further improved, and each air outlet system is provided with a grating component so as to improve the uniformity of the air flow flowing out of each air outlet. The air outlets can be arranged at different positions of the shell to realize multi-directional air supply so as to adapt to different air supply scenes. The user can set up the quantity of air-out system in a flexible way according to self with wind demand.

In any of the above technical solutions, further, the housing further includes: the wind wheel assembly is arranged at the air inlet, and the air inlet and the air outlet are positioned at the same side or two opposite sides of the shell along the direction of the rotation axis of the wind wheel assembly.

In this technical scheme, the casing still includes the air intake, through setting up the wind wheel subassembly in air intake department, when can making the operation of wind wheel subassembly produce the negative pressure, passes through the air intake suction air fast, satisfies the intake demand to the air current that has certain wind pressure and wind speed is produced fast. The air inlet and the air outlet are positioned on the same side or two opposite sides of the shell along the direction of the rotating axis of the wind wheel component. On the one hand, the air inlet and the air outlet are positioned on the same side of the shell, so that the air inlet and the air outlet are formed in one side of the shell in the forming process, the machining difficulty of the shell is reduced, and the production cost is reduced. On the other hand, the air inlet and the air outlet are positioned on two sides of the shell, so that the air flow of the air outlet and the air flow of the air inlet of the ceiling fan are not interfered with each other, the air flow is prevented from being disordered, and the stability of the ceiling fan during operation is further improved.

In any of the above technical solutions, further, the housing further includes: the air outlet is arranged on the shell, and the air wheel assembly and the grid assembly are connected with the shell; the cover body is connected with the shell.

In the technical scheme, the casing further comprises a shell and a cover body. The wind wheel assembly and the grid assembly are connected with the shell, the cover body is connected with the shell, and the air outlet is formed in the shell. Through the arrangement, a complete airflow channel is formed to realize the function of uniform air supply. The wind wheel assembly is positioned in the space formed by the cover body and the shell, so that the direct contact between a user and the wind wheel assembly is avoided, and the personal safety of the user is effectively ensured.

Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic view of a ceiling fan according to one embodiment of the present invention;

FIG. 2 is a partial cross-sectional view of one perspective of the ceiling fan of the embodiment shown in FIG. 1;

FIG. 3 is a cross-sectional view of another perspective of the ceiling fan of the embodiment shown in FIG. 1;

FIG. 4 is an enlarged partial schematic view of the embodiment of FIG. 3 at section A;

FIG. 5 is a schematic view of the ceiling fan of the embodiment shown in FIG. 1 with the cover removed;

FIG. 6 is a schematic view of a ceiling fan incorporating a filter assembly in accordance with one embodiment of the present invention;

FIG. 7 is a schematic view of the embodiment of FIG. 6 with the filter assembly removed;

FIG. 8 is a cross-sectional view of one perspective of the ceiling fan of the embodiment shown in FIG. 6;

FIG. 9 is an enlarged view of a portion of the ceiling fan of the embodiment of FIG. 8 at B.

Wherein, the correspondence between the reference numbers and the part names in fig. 1 to 9 is:

100 ceiling fan, 200 air outlet system, 210 air inlet, 220 air outlet, 230 air wheel assembly, 231 volute, 2312 air supply outlet, 2314 air guide wall surface, 2316 volute tongue, 232 air wheel, 233 driving component, 234 mounting cavity, 235 avoiding groove, 240 air outlet duct, 242 first air outlet wall surface, 244 second air outlet wall surface, 250 flow guide structure, 252 flow guide surface, 260 filter device, 262 mounting seat, 2622 accommodating cavity, 2624 buffer cavity, 2626 second mounting part, 264 filter component, 2642 first filter component, 2644 second filter component, 2646 first mounting part, 270 grid component, 272 grid sheet, 274 grid opening, 280 turbulence structure, 300 casing, 310 casing, 320 cover.

Detailed Description

In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced otherwise than as specifically described herein, and thus the scope of the present invention is not limited by the specific embodiments disclosed below.

A ceiling fan 100 provided in accordance with some embodiments of the present invention is described below with reference to fig. 1-9.

The first embodiment is as follows:

as shown in fig. 1 and 2, a first embodiment of the present invention provides a ceiling fan 100 comprising: a casing 300, a wind wheel assembly 230, and a grill assembly 270.

Wherein, the casing 300 is provided with an air outlet 220, the air wheel assembly 230 is disposed in the casing 300 and communicated with the air outlet 220, the grill assembly 270 is disposed at the air outlet 220, and the grill assembly 270 includes a plurality of grill openings 274. In the operation process of the ceiling fan 100, the distances from the positions of the air outlet 220 to the wind wheel assembly 230 are different, and the air flow is inevitably damaged in the flowing process, so that the flow rate of the air flow to flow out of the positions of the air outlet 220 is different, the opening areas of at least two grid openings 274 in the grid openings 274 are different, the grid openings 274 with different opening areas are correspondingly arranged at the positions of the air outlet 220 with different wind speeds, the wind resistances of the air flows at different positions of the air outlet 220 are different, the mutual balance between the wind resistance and the loss of the air flow is ensured, and the purpose of uniformly supplying the air is further realized.

In addition, during operation of the ceiling fan 100, the wind wheel assembly 230 operates within the housing 300, and the housing 300 prevents a user from directly contacting the wind wheel assembly 230 in operation. Under the rotation action of the wind wheel assembly 230, an air flow with a certain wind pressure and wind speed can be generated, and the air flow flows to the air outlet 220 communicated with the wind wheel assembly 230 and finally flows out from the air outlet 220, so that air supply to a user is realized.

That is, the ceiling fan 100 of the present embodiment eliminates the safety hazard of the user contacting the wind wheel assembly 230 by disposing the wind wheel assembly 230 in the housing 300. Through set up grid subassembly 270 that grid mouth 274 open area is unequal in air outlet 220 department, make each position that air outlet 220 wind speed is different receive with wind speed assorted windage, and then make the air current that flows from air outlet 220 more even, improved the air supply effect.

Example two:

as shown in fig. 1 and 2, a second embodiment of the present invention provides a ceiling fan 100 comprising: a casing 300, a wind wheel assembly 230, and a grill assembly 270. Wherein, the casing 300 is provided with an air outlet 220, the air wheel assembly 230 is disposed in the casing 300 and communicated with the air outlet 220, the grill assembly 270 is disposed at the air outlet 220, and the grill assembly 270 includes a plurality of grill openings 274.

Further, in two adjacent grill openings 274, the opening area of the grill opening 274 near the wind wheel assembly 230 is smaller than the opening area of the grill opening 274 far from the wind wheel assembly 230.

Specifically, as the airflow moves away from the wind wheel assembly 230, the wind speed gradually decreases, so that the wind speed near the wind wheel assembly 230 is higher than the wind speed far from the wind wheel assembly 230. In two adjacent grille openings 274, by providing a larger opening area of the grille opening 274 away from the wind wheel assembly 230 than the opening area of the grille opening 274 near the wind wheel assembly 230, the resistance to airflow at a location away from the wind wheel assembly 230 can be made lower than the resistance to airflow at a location near the wind wheel assembly 230. That is, the wind resistance at the low wind speed is made smaller than that at the high wind speed, thereby improving the uniformity of the air flow flowing out of the outlet 220.

Further, as shown in fig. 2, the grill assembly 270 includes a plurality of grill plates 272. Wherein, a grid opening 274 is formed between two adjacent grid sheets 272.

Specifically, the airflow can flow from the air outlet 220 to the indoor through the grille openings 274 formed between two adjacent grille plates 272, and the opening area of each grille opening 274 can be correspondingly adjusted by adjusting the positions of the grille plates 272, so as to adapt to different airflows generated by different types of ceiling fans 100 or air wheel assemblies 230, so that the applicability is high, and the production cost is favorably reduced.

Further, as shown in fig. 2, the plurality of grid plates 272 are located at the side of the wind wheel assembly 230, in the distribution direction of the plurality of grid plates 272, the distance between two adjacent grid plates 272 is gradually increased, and the wind wheel assembly 230 is located at the side with the smaller distance.

In this embodiment, the plurality of grid plates 272 are located at the side of the wind wheel assembly 230, and when the wind wheel assembly 230 generates an airflow, the airflow flows in from one side of the grid assembly 270, and when the airflow flows in a direction away from the wind wheel assembly 230, the wind speed is naturally reduced, so that the airflow is continuously lost during the flow. It should be noted that, during the air flow transmission process, one part of the air flow directly flows out from the air outlet 220 through the grille opening 274 closer to the wind wheel assembly 230, and the other part of the air flow continues to flow in a farther direction and flows out from the air outlet 220 through a part of the grille opening 274 farther from the wind wheel assembly 230, which further enhances the reduction of the wind speed.

Therefore, in the distribution direction of the plurality of grid plates 272, the distance between two adjacent grid plates 272 is gradually increased, and the wind wheel assembly 230 is located on the side with the smaller distance. Along the direction of airflow flow, namely from the direction close to the wind wheel assembly 230 to the direction far away from the wind wheel assembly 230, the opening area of the grille opening 274 is gradually increased, the corresponding wind resistance is gradually reduced, and then the airflow flowing out of the air outlet 220 through different grille openings 274 is more uniform, and the air supply effect is improved.

In addition, the ceiling fan 100 proposed in the present embodiment has all the advantages of the ceiling fan 100 proposed in the first embodiment, which are not discussed herein.

Example three:

in any of the above embodiments, further, the ceiling fan 100 further comprises a spoiler structure 280, as shown in fig. 4.

The spoiler structure 280 is disposed on a wall surface of each grid plate 272 facing the wind wheel assembly 230, i.e., a windward surface of the grid plate 272. The airflow flowing to the grating 272 may change the original noise frequency of the airflow under the disturbance effect of the spoiler structure 280, and the noise frequencies at different grating 272 are different, so as to change the noise frequency of the grating assembly 270, and the noise frequencies generated at various positions are dispersed. The noise frequencies at different positions of the grill assembly 270 are different, so that the noises at different positions cannot be superposed, noise resonance is effectively avoided, and the noise generated by the ceiling fan 100 in the operation process is greatly reduced.

Further, the spoiler structure 280 protrudes from the plurality of grid segments 272; and/or the turbulator structure 280 is recessed in the plurality of grid segments 272.

Specifically, when the spoiler structure 280 is disposed, the spoiler structure 280 may protrude from the plurality of grid plates 272, so that the front side of the grid plates 272 has a protruding structure, thereby disturbing the airflow and changing the noise frequency generated by the grid plates 272. The spoiler structure 280 may be recessed in the plurality of grid segments 272, so that a recessed structure may exist on the windward side of the grid segments 272, thereby disturbing the airflow and changing the noise frequency generated by the grid segments 272. Further, the convex turbulence structure 280 and the concave turbulence structure 280 are used in the plurality of grating pieces 272, so that the turbulence effect can be further enhanced, the noise frequencies generated at different positions of the grating assembly 270 are more dispersed, and the noise reduction effect is further improved.

Further, the spoiler structure 280 comprises one or a combination of the following: corrugated structure, sawtooth structure, square tooth structure, protruding structure, groove structure.

Specifically, the turbulent flow structure 280 includes at least one of a corrugated structure, a sawtooth structure, a square tooth structure, a convex structure, a groove structure, and other non-planar structures to effectively disturb the incoming airflow. When the turbulence structure 280 with the same structure is selected for turbulence, the processing difficulty of the turbulence structure 280 can be reduced, thereby reducing the processing cost of the ceiling fan 100. When the turbulence structures 280 with different structures are selected for combination turbulence, the turbulence effect can be further improved to meet higher noise reduction requirements, and a user can flexibly set the specific structure of the turbulence structure 280 according to the use scene of the ceiling fan 100.

In this embodiment, the flow perturbation structure 280 is a corrugated structure, as shown in fig. 4.

Example four:

as shown in fig. 3 and 5, in any of the above embodiments, further, the ceiling fan 100 further includes an air outlet duct 240.

The air outlet duct 240 is disposed in the casing 300 and connects the ventilation wheel assembly 230 and the air outlet 220. The wind wheel assembly 230 generates a certain wind pressure during operation, and sends the airflow into the wind outlet duct 240, and the wind outlet duct 240 is communicated with the wind outlet 220 on the casing 300; when the air outlet duct 240 is filled with air, the air pressure inside the air outlet duct 240 is increased, so that the air can finally flow out from the air outlet 220, and air supply to the user is realized. The air outlet duct 240 can realize an air guiding function, and no matter which direction of air flow is generated by the air wheel assembly 230, the air flow can be guided to the air outlet 220 by the air outlet duct 240, so that the air volume loss is reduced, and the energy efficiency of the ceiling fan 100 is improved.

Further, as shown in fig. 2 and 3, in the height direction of the ceiling fan 100, the air outlet 220 is located below the air outlet duct 240, the wind wheel assembly 230 is located at the side of the air outlet duct 240, and the grille assembly 270 is disposed in the air outlet duct 240.

Specifically, in the height direction of the ceiling fan 100, the air outlet 220 is located below the air outlet duct 240, so that the air flow in the air outlet duct 240 is discharged from the air outlet 220 located below the air outlet duct 240 to supply air to the user. The airflow discharged from the wind wheel assembly 230 is distributed around the wind wheel assembly 230, so that the wind wheel assembly 230 is disposed at the side of the wind outlet duct 240, and the airflow generated by the wind wheel assembly 230 is sent into the wind outlet duct 240 from one side of the wind outlet duct 240 by using a lateral air supply manner, which is beneficial to the conduction of the airflow. The grille member 270 is disposed in the air outlet duct 240, and can adjust the wind resistance of the air flow at different positions in the air outlet duct 240. In addition, the wind wheel assembly 230 is located at the side of the wind outlet duct 240, so that the overall height of the ceiling fan 100 can be effectively reduced, and when the ceiling fan 100 is installed on a roof or a ceiling, the distance between the ceiling fan 100 and a user can be ensured. The air outlet 220 is located below the air outlet duct 240, so that the ceiling fan 100 can be discharged air downwards, and thus air flow is provided uniformly for users.

That is, in the ceiling fan 100 of the present embodiment, the airflow flows out from the lateral air outlet duct 240 under the action of the air wheel assembly 230, and then blows out downward through the air outlet 220 below the air outlet duct 240. The grille member 270 in the air outlet duct 240 makes the air flow at different positions in the air outlet duct 240 suffer from different wind resistances, so as to improve the uniformity of the air flow blown out from the air outlet 220. Further, the air outlet 220 is in a strip shape, and the air wheel assembly 230 is located at a side of an axis of the air outlet 220. When the airflow flows in the air outlet duct 240, a part of the airflow directly flows out through a part of the air outlet 220 below the air wheel assembly 230, and another part of the airflow continues to flow in a farther direction and flows out through a part of the air outlet 220 farther from the air wheel assembly 230.

Further, as shown in fig. 3 and fig. 5, the air outlet duct 240 includes a first air outlet wall 242 and a second air outlet wall 244, and the air outlet 220 is located between the first air outlet wall 242 and the second air outlet wall 244 and is distributed in a strip shape.

Specifically, a flow passing space is formed between the first air outlet wall surface 242 and the second air outlet wall surface 244, and the airflow generated by the wind wheel assembly 230 can flow into the flow passing space, and the airflow flows in the flow passing space in a direction away from the wind wheel assembly 230. In the process of airflow flowing, a part of the airflow continuously flows out through the air outlet 220 below the air outlet duct 240 and closer to the wind wheel assembly 230, and another part of the airflow further flows out through the air outlet 220 farther from the wind wheel assembly 230. So set up for the water conservancy diversion goes on with giving vent to anger in step, and has effectively increased the air-out area of air outlet 220, and then realizes the large tracts of land air supply, has promoted the air supply effect.

Further, one end of the air outlet duct 240 is communicated with the wind wheel assembly 230, and the other end extends towards the direction departing from the wind wheel assembly 230, and in the extending direction of the air outlet duct 240, the distance between the first air outlet wall surface 242 and the second air outlet wall surface 244 gradually decreases.

Specifically, one end of the air outlet duct 240 is communicated with the wind wheel assembly 230, and the other end extends towards the direction departing from the wind wheel assembly 230, and the airflow generated by the wind wheel assembly 230 can flow along the extending direction of the air outlet duct 240, and further gradually gets away from the wind wheel assembly 230. Specifically, the air outlet 220 is located below the air outlet duct 240, so that the air gradually flows out through the air outlet 220 in the process of flowing away from the wind wheel assembly 230. Therefore, in the extending direction, the distance between the first air outlet wall surface 242 and the second air outlet wall surface 244 is gradually reduced, and through the design of the tapered air outlet duct 240, the air pressure can be prevented from being rapidly attenuated when the air flow is transmitted to the direction far away from the air wheel assembly 230, so that the air flow can maintain relatively stable air pressure in the conduction process, the air speed of the air flow flowing out from the air outlet 220 is more uniform, especially, the air outlet 220 at the position close to the air wheel assembly 230 and the air outlet 220 at the position far away from the air wheel assembly 230 are ensured to uniformly outlet air, and the air outlet stability and the air outlet smoothness are improved.

Example five:

in any of the above embodiments, further, the ceiling fan 100 further comprises a flow guiding structure 250, as shown in fig. 3.

In this embodiment, the flow guiding structure 250 is connected to the air outlet duct 240 and extends toward the air outlet 220, so as to quickly guide the air in the air outlet duct 240 to the air outlet 220 and supply air to the user, thereby further reducing the retention of the airflow in the air outlet duct 240, further reducing the air loss, and improving the air outlet effect. Specifically, the flow guiding structure 250 is connected to the second air outlet wall 244 of the air outlet duct 240 and is disposed to incline toward the first air outlet wall 242.

Further, the flow guiding structure 250 includes a flow guiding surface 252, and the flow guiding surface 252 is disposed obliquely with respect to the inner wall of the air outlet duct 240.

On one hand, the guiding surface 252 has a guiding function, and the air flow in the air outlet duct 240 can flow to the air outlet 220 along the guiding surface 252 disposed obliquely. On the other hand, by arranging the inclined flow guide surface 252, a tapered flow guide space is formed between the flow guide surface 252 and the inner wall of the air outlet duct 240, so that the air pressure of the airflow entering the air outlet 220 is increased, the air speed of the airflow flowing out from the air outlet 220 is increased, the air supply range of the ceiling fan 100 is expanded, and the air supply requirements of more scenes are met.

Example six:

as shown in fig. 5, in any of the above embodiments, further, the wind wheel assembly 230 includes a volute 231, a wind wheel 232, and a driving component 233.

Specifically, the volute 231 is disposed in the housing 300, the volute 231 is provided with an air supply opening 2312, the wind wheel 232 is disposed in the volute 231 and is communicated with the air outlet duct 240 through the air supply opening 2312, and the driving component 233 is connected with the wind wheel 232. By providing the drive component 233 within the volute 231, a power system is provided for the produced airflow. The driving part 233 is connected to the wind wheel 232, and the wind wheel 232 can rotate under the driving of the driving part 233, so that a negative pressure region is formed in the central region of the wind wheel 232, and thus an airflow is sucked from the central region, and the sucked airflow is discharged under the rotation action of the wind wheel 232. By arranging the air supply opening 2312 on the volute 231, the discharged air flow driven by the rotation of the wind wheel 232 is led into the air outlet duct 240 through the air supply opening 2312 with certain air pressure and air speed.

Further, the wind wheel 232 may be a multi-wing centrifugal wind wheel, a forward wind wheel, a backward wind wheel, or the like.

Further, as shown in fig. 5, the inner walls of the volute 231 and the air outlet duct 240 are connected at the air outlet 2312, and the connection included angle between the volute 231 and the air outlet duct 240 is greater than or equal to 90 ° and less than or equal to 180 °.

In this embodiment, the volute 231 is connected to the inner wall of the air outlet duct 240 at the air inlet 2312, and by controlling the connection included angle between the volute 231 and the air outlet duct 240 to be in the range of 90 ° to 180 °, the included angle formed between the direction of the air flow discharged from the wind wheel 232 at the air inlet 2312 and the inner wall of the air outlet duct 240 is in a reasonable range, so as to reduce the impact of the air flow on the inner wall of the air outlet duct 240, and further reduce the wind loss and the noise generated in the air supply process.

Specifically, the connection included angle between the volute 231 and the air outlet duct 240 may be 180 °, 150 °, 120 °, 90 °, and the like, when the connection included angle between the volute 231 and the air outlet duct 240 approaches 180 °, the wind resistance of the airflow is favorably reduced, and when the connection included angle between the volute 231 and the air outlet duct 240 approaches 90 °, the overall size occupied by the volute 231 and the air outlet duct 240 is favorably reduced, so that the structure of the ceiling fan 100 is more compact.

Further, as shown in fig. 9, the wind wheel assembly 230 further includes a mounting cavity 234. The installation cavity 234 is disposed in the volute 231, the wind wheel 232 is disposed in the installation cavity 234, and the air supply opening 2312 and the air outlet duct 240 are located at a side of the installation cavity 234.

Specifically, the installation cavity 234 is arranged in the volute 231, so that a cavity space is reserved in the middle of the volute 231, the installation space is favorably reduced, the wind wheel 232 is arranged in the installation cavity 234, the wind wheel and the volute can be compactly installed and connected, and the installation space is saved. Meanwhile, the air supply outlet 2312 and the air outlet duct 240 are located on the side of the installation cavity 234, air flow discharged by the wind wheel 232 can be sent to the air supply outlet 2312 from the side of the installation cavity 234 and enters the air outlet duct 240 communicated with the air supply outlet 2312, circulation of the air flow is facilitated, and the installation cavity 234 is simple in structure and easy to process and produce.

Further, as shown in fig. 9, the wind wheel assembly 230 further includes an escape groove 235. The avoiding groove 235 is arranged on the wind wheel 232, and the driving part 233 is at least partially accommodated in the avoiding groove 235.

Specifically, by arranging the avoiding groove 235 on the wind wheel 232, an installation space can be provided for the driving part 233, and at least part of the driving part 233 is accommodated in the avoiding groove 235, so that the space occupied by the driving part 233 and the wind wheel 232 can be reduced, the overall size of the wind wheel assembly 230 can be reduced, the overall size of the ceiling fan 100 can be further reduced, and conditions can be provided for miniaturization production.

Further, as shown in fig. 5, the volute 231 includes an air guide wall surface 2314 and a volute tongue 2316, the air guide wall surface 2314 is disposed on the periphery of the wind wheel 232 and extends toward the air supply opening 2312, and the volute tongue 2316 is connected to the air guide wall surface 2314.

In this embodiment, the volute 231 includes a wind guide wall surface 2314 and a volute tongue 2316. Wherein, through setting up wind-guiding wall surface 2314 in the periphery of wind wheel 232, be favorable to reducing the loss of air current in the circulation process on the one hand, on the other hand has still realized turning to of air current, and the air current leaves wind wheel 232 and gets into in spiral case 231 under the rotatory drive of wind wheel 232 to along wind-guiding wall surface 2314 pressurization flow direction supply-air outlet 2312 gradually.

Further, in the extending direction of the air guide wall surface 2314, the distance between the air guide wall surface 2314 and the axis of the wind wheel 232 gradually increases, the curvature of the air guide wall surface 2314 gradually decreases, and the gradually pressurized airflow can be relatively smoothly turned. The wind guide wall surface 2314 is gradually far away from the wind wheel 232, the sectional area of airflow flow beams can be gradually increased, and the position of the air supply opening 2312 reaches the maximum, so that the airflow can be quickly filled in the air outlet duct 240, and further, the external air supply is realized. The volute tongue 2316 is arranged and connected with the air guide wall surface 2314, and the shape of airflow is also met, so that airflow circulation is smoother, and the loss of the airflow is reduced to the greatest extent.

Example seven:

as shown in fig. 5, in any of the above embodiments, further, the ceiling fan 100 includes the wind outlet system 200. Wherein, air-out system 200 is one or more.

Specifically, the air outlet system 200 includes an air outlet 220, an air wheel assembly 230, and a grill assembly 270. When the number of the air outlet systems 200 is one, the assembly cost of the ceiling fan 100 can be reduced, when the number of the air outlet systems 200 is plural, the air supply intensity can be further improved, and each air outlet system 200 is provided with a grille component 270 to improve the uniformity of the air flow flowing out of each air outlet 220. The plurality of air outlets 220 may be disposed at different positions of the housing 300 to supply air in multiple directions, so as to adapt to different air supply scenarios. The user can set up the quantity of air-out system 200 in a flexible way according to the wind demand of self.

In this embodiment, as shown in fig. 5, the ceiling fan 100 includes two air outlet systems 200, the two air outlet systems 200 are oppositely disposed at two sides of the casing 300, as shown in fig. 3, the air outlets 220 at two sides are both located at the bottom of the casing 300, so as to realize downward air outlet from two sides of the casing 300.

Further, as shown in fig. 1 and 5, the housing 300 further includes an air inlet 210. Wherein, the wind wheel assembly 230 is disposed at the wind inlet 210, and the wind inlet 210 and the wind outlet 220 are located at the same side or opposite sides of the machine shell 300 along the rotation axis direction of the wind wheel 232 of the wind wheel assembly 230.

Specifically, by disposing the wind wheel assembly 230 at the air inlet 210, when the wind wheel assembly 230 operates to generate negative pressure, air is rapidly sucked through the air inlet 210, so as to meet the requirement of air intake, thereby rapidly producing an air flow with a certain air pressure and air speed.

In an embodiment of the present invention, the air inlet 210 and the air outlet 220 are located on the same side of the chassis 300, so that the air inlet 210 and the air outlet 220 are simultaneously formed on one side of the chassis 300 during the forming process, thereby reducing the processing difficulty of the chassis 300 and reducing the production cost.

In an embodiment of the present invention, the air inlet 210 and the air outlet 220 are located at two sides of the casing 300, so that the air flow of the outlet air and the air flow of the inlet air of the ceiling fan 100 do not interfere with each other, thereby preventing the air flow from being disturbed, and further improving the stability of the ceiling fan 100 during operation.

Further, as shown in fig. 1 and 5, the housing 300 further includes a housing 310 and a cover 320. The wind wheel assembly 230 and the grille assembly 270 are connected to the housing 310, the cover 320 is connected to the housing 310, and the air outlet 220 is disposed on the housing 310. Through the arrangement, a complete airflow channel is formed to realize the function of uniform air supply. The wind wheel assembly 230 is positioned in the space formed by the cover body 320 and the shell body 310, so that the direct contact between a user and the wind wheel assembly 230 is avoided, and the personal safety of the user is effectively ensured.

Example eight:

as shown in fig. 1 to 9, an eighth embodiment of the present invention provides a ceiling fan 100, which includes a casing 300 and two air outlet systems 200. Wherein, the two air outlet systems 200 are oppositely disposed at two sides of the casing 300. The air outlet system 200 includes an air inlet 210, an air outlet 220, a filter 260, an air wheel assembly 230, a grille assembly 270 and an air outlet duct 240.

The casing 300 is provided with an air inlet 210 and an air outlet 220, and the air inlet 210 and the air outlet 220 are located at two opposite sides of the casing 300 along the rotation axis direction of the wind wheel 232 of the wind wheel assembly 230. The grill assembly 270 is disposed at the outlet 220. The filtering device 260 is disposed on the casing 300 and at least covers the air inlet 210, and the air outlet duct 240 is disposed in the casing 300 and connects the air wheel assembly 230 and the air outlet 220.

Further, as shown in fig. 3 and 5, in the height direction of the ceiling fan 100, the air outlet 220 is located below the air outlet duct 240, the wind wheel assembly 230 is located at the side of the air outlet duct 240, and the grille assembly 270 is disposed in the air outlet duct 240.

In this embodiment, the airflow created by the ceiling fan 100 flows as follows:

the air first contacts the filter unit 260 before entering the cabinet 300 through the inlet 210 to filter contaminants of various sizes. After being filtered by the filter 260, the air is sucked into the wind wheel assembly 230 from the air inlet 210, and under the rotation action of the wind wheel assembly 230, an air flow with a certain wind pressure and wind speed is generated, and the air flow is sent into the air outlet duct 240. After the air current is adjusted through the grid assembly 270 in the air outlet duct 240, the air current flows to the indoor through the air outlet 220, and the air supply function is realized.

In the height direction of the ceiling fan 100, the air outlet 220 is located below the air outlet duct 240, so that the airflow in the air outlet duct 240 is discharged from the air outlet 220 located below the air outlet duct 240 to supply air to the user. The airflow discharged from the wind wheel assembly 230 is distributed around the wind wheel assembly 230, so that the wind wheel assembly 230 is disposed at the side of the wind outlet duct 240, and the airflow generated by the wind wheel assembly 230 is sent into the wind outlet duct 240 from one side of the wind outlet duct 240 by using a lateral air supply manner, which is beneficial to the conduction of the airflow. The grille member 270 is disposed in the air outlet duct 240, and can adjust the wind resistance of the air flow at different positions in the air outlet duct 240. In addition, the wind wheel assembly 230 is located at the side of the wind outlet duct 240, so that the overall height of the ceiling fan 100 can be effectively reduced, and when the ceiling fan 100 is installed on a roof or a ceiling, the distance between the ceiling fan 100 and a user can be ensured. The air outlet 220 is located below the air outlet duct 240, so that the ceiling fan 100 can be discharged air downwards, and thus air flow is provided uniformly for users.

The air outlet 220 is in a strip shape, and the air wheel assembly 230 is located on the side of the axis of the air outlet 220. When the airflow flows in the air outlet duct 240, a part of the airflow directly flows out through a part of the air outlet 220 below the air wheel assembly 230, and another part of the airflow continues to flow in a farther direction and flows out through a part of the air outlet 220 farther from the air wheel assembly 230.

In this embodiment, the components of the ceiling fan 100 are specifically configured as follows:

as shown in fig. 6-9, the filter apparatus 260 includes a mount 262 and a filter assembly 264. Wherein, the mounting base 262 is connected with the casing 300 and is located at the air inlet 210, and the filter assembly 264 is disposed on the mounting base 262. The filter assembly 264 includes a first filter element 2642 and a second filter element 2644. The first and

second filter parts

2642 and 2644 are disposed in the mounting seat 262, and the second filter part 2644 is located between the wind wheel assembly 230 and the first filter part 2642.

Specifically, the mounting base 262 is connected to the cabinet 300 and located at the air inlet 210, and the filter assembly 264 is disposed on the mounting base 262. The filter assembly 264 can be quickly detached by arranging the mounting seat 262, the assembly difficulty of the filter assembly 264 is reduced, and meanwhile, the filter assembly 264 is convenient to replace. Moreover, the mounting seat 262 is located at the air inlet 210, so that the filter assembly 264 can cover the air inlet 210 without deflection when the filter assembly 264 is disposed on the mounting seat 262, thereby ensuring stable installation of the filter assembly 264. In addition, the shape of the filter assembly 264 matches the shape of the intake vent 210, so that the air flowing to the intake vent 210 can be sufficiently filtered, thereby improving the filtering effect of the filtering device 260.

Two-stage filtration of air can be achieved by providing two stages of filter elements, specifically, the first filter element 2642 is used for isolating large-volume contaminants, and the air flows to the second filter element 2644 after being primarily filtered by the first filter element 2642, and is secondarily filtered to further filter small-size contaminants in the air. The air after the secondary filtration flows to the air wheel assembly 230 through the air inlet 210, on one hand, the cleanness of the sucked air flow is improved, and the pollutant content in the final air supply flow is reduced, so that the indoor air quality is improved; on the other hand, the accumulation of impurities on each component in the casing 300 can be avoided, so that the stability of the ceiling fan 100 in the operation process is improved, and the difficulty in cleaning the ceiling fan 100 is reduced.

Further, as shown in fig. 9, the mounting seat 262 includes a receiving cavity 2622, wherein the first filter element 2642 and the second filter element 2644 are disposed in the receiving cavity 2622, and the first filter element 2642 covers over the second filter element 2644 and is connected to the mounting seat 262.

Specifically, through set up in mount pad 262 and hold chamber 2622, leave the cavity space in making mount pad 262, all set up first filter element 2642 and second filter element 2644 in holding chamber 2622, realized that first filter element 2642 and second filter element 2644 can compact erection joint, and then when saving installation space, make first filter element 2642 and second filter element 2644 laminate more, thereby promote the filter effect.

In addition, as shown in fig. 7 and 8, the first filter part 2642 is coupled to the mounting seat 262, and the first filter part 2642 covers over the second filter part 2644. When the first filter part 2642 is seated on the seating portion 262, the second filter part 2644 may be compressed to prevent the second filter part 2644 from being displaced under the influence of the air flow. The second filter element 2644 can be simply put into the accommodating cavity 2622 and compressed by the first filter element 2642 without a separate positioning and compressing device, so that the overall structure of the filter device 260 is more compact. Further, the first filter part 2642 is matched with the second filter part 2644 in shape, and the first filter part 2642 covers the second filter part 2644, so that the air filtered by the first filter part 2642 can completely flow through the second filter part 2644 for secondary filtering without missing, and the amount of pollutants in the air entering the air inlet 210 is substantially reduced.

In this embodiment, the first filter part 2642 and the second filter part 2644 are both thin cylindrical structures, and the outer shell of the first filter part 2642 is a plastic frame and the inner part is a plastic net structure. The shell of the second Filter element 2644 is made of paper, and the bottom and the periphery of the shell are adhered with sponge, so that the second Filter element 2644 can be tightly attached to the containing cavity 2622, and further filtered gas is prevented from leaking, and the inside of the second Filter element 2644 comprises a hepah Efficiency Particulate Air Filter, which is a high-Efficiency Air Filter.

Further, as shown in fig. 9, the mounting base 262 further includes a buffering cavity 2624, and the buffering cavity 2624 is communicated with the accommodating cavity 2622 and is located between the accommodating cavity 2622 and the wind wheel assembly 230. Through the arrangement, on one hand, the wind wheel assembly 230 can be ensured to suck the filtered air flowing out of the accommodating cavity 2622, so that airflow can be generated smoothly; on the other hand, can separate wind wheel subassembly 230 with holding chamber 2622 to prevent that wind wheel subassembly 230 from taking place to contact with the filter assembly 264 that holds in the chamber 2622 when the operation, ensure not to cause the damage to the filter assembly 264 that holds in the chamber 2622, also promoted wind wheel subassembly 230 moving stability simultaneously.

Further, one of the mounting seat 262 and the first filter element 2642 is provided with a first mounting portion 2646, and the other is a second mounting portion 2626 adapted to the first mounting portion 2646.

Specifically, by integrating the first mounting portion 2646 on the first filter element 2642 or the mounting seat 262, and integrating the second mounting portion 2626 adapted to the first mounting portion 2646 on the other of the first and

second filter elements

2642 and 262, the difficulty in mounting and dismounting the first filter element 2642 is reduced, and the assembly or replacement of the filter assembly 264 is facilitated. In addition, the first filter element 2642 can be mounted on and removed from the mounting seat 262 only by the structures of the mounting seat 262 and the first filter element 2642, without providing an additional fastening member, so that the assembly cost of the filter device 260 is further reduced, and the structure of the filter device 260 is simplified, thereby reducing the overall size of the filter device 260 and facilitating the miniaturization production.

In this embodiment, as shown in fig. 9, the first mounting portion 2646 includes an insertion tab and a boss, and is disposed on the first filter element 2642, and the mounting seat 262 is provided with a second mounting portion 2626, and the second mounting portion 2626 includes an insertion hole adapted to the insertion tab and a groove adapted to the boss. The first filter element 2642 may be assembled with the mounting base 262 by inserting the tabs into the receptacles and engaging the projections with the recesses.

Further, as shown in fig. 5, the wind wheel assembly 230 includes a volute 231, a wind wheel, and a driving part 233. The volute 231 is disposed in the housing 300, the volute 231 is provided with an air supply opening 2312, the wind wheel 232 is disposed in the volute 231 and is communicated with the air outlet duct 240 through the air supply opening 2312, and the driving component 233 is connected with the wind wheel 232. The inner walls of the volute 231 and the air outlet duct 240 are connected at the air supply opening 2312, and the connection included angle between the volute 231 and the air outlet duct 240 is greater than or equal to 90 degrees and less than or equal to 180 degrees.

In this embodiment, as shown in fig. 5, the connection included angle between the volute 231 and the air outlet duct 240 is 180 °, so as to reduce the impact of the airflow on the inner wall of the air outlet duct 240 to the maximum extent, and further reduce the wind loss and the noise generated during the air supply process.

Further, as shown in fig. 9, the wind wheel assembly 230 further includes a mounting cavity 234 and a relief groove 235. The installation cavity 234 is disposed in the volute 231, the wind wheel 232 is disposed in the installation cavity 234, the air supply opening 2312 and the air outlet duct 240 are located on the side of the installation cavity 234, the avoiding groove 235 is disposed on the wind wheel 232, and at least a part of the driving component 233 is accommodated in the avoiding groove 235. Through the arrangement, the whole size of the wind wheel assembly 230 can be reduced, so that the whole size of the ceiling fan 100 is reduced, and conditions are provided for miniaturization production.

Further, as shown in fig. 5, the volute 231 includes an air guide wall surface 2314 and a volute tongue 2316, the air guide wall surface 2314 is disposed on the periphery of the wind wheel 232 and extends toward the air supply opening 2312, the volute tongue 2316 is connected to the air guide wall surface 2314, and the distance between the air guide wall surface 2314 and the axis of the wind wheel 232 gradually increases in the extending direction of the air guide wall surface 2314.

Further, as shown in fig. 3 and fig. 5, the air outlet duct 240 includes a first air outlet wall 242 and a second air outlet wall 244, and the air outlet 220 is located between the first air outlet wall 242 and the second air outlet wall 244 and is distributed in a strip shape. One end of the air outlet duct 240 is communicated with the wind wheel assembly 230, and the other end extends towards the direction departing from the wind wheel assembly 230, and in the extending direction of the air outlet duct 240, the distance between the first air outlet wall surface 242 and the second air outlet wall surface 244 is gradually reduced. The air outlet 220 is located below the first air outlet wall surface 242; in the extending direction of the air outlet duct 240, the second air outlet wall 244 is gradually disposed close to the first air outlet wall 242.

Further, as shown in fig. 3, the ceiling fan 100 further includes a flow guiding structure 250, the flow guiding structure 250 is connected to the air outlet duct 240 and extends toward the air outlet 220, so as to achieve fast guiding of the air in the air outlet duct 240 to the air outlet 220 and supply air to the user, which can further reduce the retention of the airflow in the air outlet duct 240, thereby reducing the air loss and improving the air outlet effect. Specifically, the flow guiding structure 250 is connected to the second air outlet wall 244 of the air outlet duct 240, and the flow guiding structure 250 includes a flow guiding surface 252 and is disposed to incline toward the first air outlet wall 242. The guide surface 252 has a guiding function, the air flow in the air outlet duct 240 can flow to the air outlet 220 along the obliquely arranged guide surface 252, and a tapered guide space can be formed between the guide surface 252 and the inner wall of the air outlet duct 240 by arranging the oblique guide surface 252, so that the air pressure of the air flow entering the air outlet 220 is increased, the air speed of the air flow flowing out of the air outlet 220 is increased, the air supply range of the ceiling fan 100 is further expanded, and the air supply requirements of more scenes are met.

Further, as shown in fig. 2, the grill member 270 includes a plurality of grill plates 272, and a grill opening 274 is formed between two adjacent grill plates 272, and an opening area of the grill opening 274 near the wind wheel assembly 230 is smaller than an opening area of the grill opening 274 far from the wind wheel assembly 230 in two adjacent grill openings 274. The plurality of grid plates 272 are located at the side of the wind wheel assembly 230, in the distribution direction of the plurality of grid plates 272, the distance between two adjacent grid plates 272 is gradually increased, and the wind wheel assembly 230 is located at the side with the smaller distance.

The plurality of grill plates 272 are formed at the side of the wind wheel assembly 230, and when the wind wheel assembly 230 generates an air current, the air current flows in from one side of the grill plate 270, and when the air current flows in a direction away from the wind wheel assembly 230, the wind speed is naturally reduced, and thus the air current is continuously lost during the flow. It should be noted that, during the air flow transmission process, one part of the air flow directly flows out from the air outlet 220 through the grille opening 274 closer to the wind wheel assembly 230, and the other part of the air flow continues to flow in a farther direction and flows out from the air outlet 220 through a part of the grille opening 274 farther from the wind wheel assembly 230, which further enhances the reduction of the wind speed.

Further, as shown in FIG. 3, ceiling fan 100 also includes a spoiler structure 280. The spoiler structure 280 is disposed on a wall of each grid plate 272 facing the wind wheel assembly 230. The spoiler structure 280 protrudes from the plurality of grid segments 272; and/or the turbulator structure 280 is recessed in the plurality of grid segments 272.

Further, as shown in fig. 5 and 6, the housing 300 further includes a housing 310 and a cover 320. The wind wheel assembly 230 and the grille assembly 270 are connected to the housing 310, the wind inlet 210 and the filtering device 260 are disposed on the cover 320, the cover 320 is connected to the housing 310, the wind outlet duct 240 is located between the cover 320 and the housing 310, and the wind outlet 220 is disposed on the housing 310.

In the ceiling fan 100 provided by the embodiment, the wind wheel assembly 230 is located in the space formed by the cover body 320 and the housing 310, so that the direct contact between the user and the wind wheel assembly 230 is avoided, and the personal safety of the user is effectively ensured. By arranging the filtering device 260, the indoor air quality is effectively improved, and the accumulation of pollutants in the casing 300 is avoided, so that the stability of the ceiling fan 100 in the operation process is improved, and the cleaning difficulty of the ceiling fan 100 is reduced. Through the setting of grid subassembly 270, promoted the homogeneity of ceiling fan 100 air-out, through setting up vortex structure 280, further reduced the noise of ceiling fan 100 operation in-process.

The first embodiment is as follows:

as shown in fig. 1 to 5, an embodiment of the present invention provides a ceiling fan 100, which includes a casing 300 and two air outlet systems 200. Wherein, the two air outlet systems 200 are oppositely disposed at two sides of the casing 300. The air outlet system 200 includes an air inlet 210, an air outlet 220, an air wheel assembly 230, a grille assembly 270 and an air outlet duct 240.

The casing 300 is provided with an air inlet 210 and an air outlet 220, and the air inlet 210 and the air outlet 220 are located at two opposite sides of the casing 300 along the rotation axis direction of the wind wheel 232 of the wind wheel assembly 230. The grill assembly 270 is disposed at the outlet 220. The air outlet duct 240 is disposed in the casing 300 and connects the air wheel assembly 230 and the air outlet 220.

Further, as shown in fig. 1 and 5, the housing 300 further includes a housing 310 and a cover 320. The air wheel assembly 230 and the grille assembly 270 are connected to the housing 310, the air inlet 210 is disposed on the cover 320, the cover 320 is connected to the housing 310, the air outlet duct 240 is located between the cover 320 and the housing 310, and the air outlet 220 is disposed on the housing 310, so as to jointly form a complete air duct.

The volute 231 has a circular hole at its center and a step thereon to form a mounting chamber 234, and this structure mainly functions to place the driving part 233 while ensuring a seal in the flow passage. The wind wheel 232 is provided with an avoiding groove 235 at the rotation center, which mainly plays a role of making room for placing the driving part 233, and simultaneously can reduce the size of the whole machine.

Further, as shown in fig. 5, the volute 231 and the air outlet duct 240 are connected into a whole, and the angle of the joint may be between 90 degrees and 180 degrees.

In this embodiment, when the ceiling fan 100 is in operation, the wind wheel 232 rotates, so that the center of the wind wheel 232 and the air inlet 210 are attached to form a negative pressure area. Wind near the wind inlet 210 is sucked into the blades of the wind wheel 232, and then is thrown out of the wind wheel 232 along with the rotation of the wind wheel 232 to reach the wind guide wall surface 2314 of the volute 231. Finally, the air is gradually pressurized along the air guide wall surface 2314 and blown out of the scroll 231. The airflow is blown out of the volute 231 and then reaches the air outlet duct 240, and the air is filled in the air outlet duct 240 and then blown out of the air outlet 220. The first air outlet wall 242 of the air outlet duct 240 is parallel to the wall of the casing 310, and the second air outlet wall 244 of the air outlet duct 240 forms a certain included angle with the first air outlet wall 242. That is, the air outlet duct 240 closer to the volute 231 is wider, and the air outlet duct 240 farther from the volute 231 is narrower, which makes the air speed of the air outlet 220 more uniform.

Further, the flow guiding structure 250 is connected to the air outlet duct 240 and the air outlet 220, and mainly functions to guide the air in the air outlet duct 240 to the air outlet 220, and the shape is generally an inverted triangle, so that the loss of the air can be reduced.

Further, the grille members 270 are arranged at the air outlet 220, and the distances between the grille openings 274 are gradually increased from the position close to the wind wheel 232 to the position far from the wind wheel 232. The windward side of the grid plate 272 is provided with a corrugated spoiler structure 280.

Specifically, the wind speed is high when the airflow leaves the wind wheel 232 and enters the wind outlet duct 240, and the wind speed is low at a position far from the wind wheel 232, so that the flow of the wind should be inhibited at a high wind speed position, and the obstruction to the wind should be reduced at a low wind speed position. The airflow passing through the regular grid segments 272 usually generates noise of the same frequency, and the noise of the same frequency is intensified after being superimposed, i.e. the decibel value of the noise is increased. After the corrugated turbulent structure 280 is disposed, the noise frequency of the grating assembly 270 is changed and distributed at each frequency, and is not concentrated so that the noise cannot be superimposed, and the noise is reduced accordingly.

In this embodiment, the driving component 233 can be a motor or other components capable of driving the wind wheel 232 to rotate, and the volute 231, the wind outlet duct 240, the flow guiding structure 250 and the wind outlet 220 are an integrated structure. The number of the volutes 231, the air outlet channels 240 and the air outlets 220 may be multiple, the corresponding number of the volutes 231 is equal, each volute 231 may have different shapes and sizes, each air outlet channel 240 may also have different shapes and sizes, and the wind wheel 232 may be a multi-wing centrifugal wind wheel, a forward wind wheel, a backward wind wheel, a bladeless fan, or other wind wheels.

The second embodiment is as follows:

as shown in fig. 1 to 9, one embodiment of the present invention provides a ceiling fan 100, which includes a casing 300 and two air outlet systems 200. Wherein, the two air outlet systems 200 are oppositely disposed at two sides of the casing 300. The air outlet system 200 includes an air inlet 210, an air outlet 220, a filter 260, an air wheel assembly 230, a grille assembly 270 and an air outlet duct 240.

The casing 300 is provided with an air inlet 210 and an air outlet 220, and the air inlet 210 and the air outlet 220 are located at two opposite sides of the casing 300 along the rotation axis direction of the wind wheel assembly 230. The grill assembly 270 is disposed at the outlet 220. The filtering device 260 is disposed on the casing 300 and at least covers the air inlet 210, and the air outlet duct 240 is disposed in the casing 300 and connects the air wheel assembly 230 and the air outlet 220.

Further, as shown in fig. 5 and 6, the housing 300 further includes a housing 310 and a cover 320. The air wheel assembly 230 and the grille assembly 270 are connected to the housing 310, the air inlet 210 and the filtering device 260 are disposed on the cover 320, the cover 320 is connected to the housing 310, the air outlet duct 240 is located between the cover 320 and the housing 310, and the air outlet 220 is disposed on the housing 310, so as to form a complete air duct.

Further, filter assembly 264 includes a first filter element 2642 and a second filter element 2644. filter assembly 264 is generally circular and is disposed in a receiving cavity 2622 above buffer cavity 2624, with receiving cavity 2622 having a shape that matches the shape of filter assembly 264.

The first filter element 2642 may be a plastic frame housing with a dense plastic mesh inside it, primarily to isolate large volumes of contaminants. The insert on the plastic frame shell is inserted into the hole on the mounting seat 262, and the boss on the plastic frame shell enters the groove of the mounting seat 262. After the installation, the first filter part 2642 is tightly attached to the second filter part 2644, so that the second filter part 2644 is not loosened, and the air tightness of the entire flow path is ensured.

The second filter element 2644 may be a paper frame housing, and a sponge is usually attached to the bottom or periphery of the housing to tightly contact the housing cavity 2622, thereby preventing leakage of the filtered gas during normal use. The interior of the second filter element 2644, which includes HEPA and other filter material, is adhered to the paper frame housing and serves primarily to filter contaminants of a very small size.

After the filter assembly 264 is installed, the air flow that originally directly enters the air inlet 210 becomes air that passes through the filter assembly 264, is filtered and then enters the air inlet 210, and finally blows out cleaner air from the air outlet 220. Moreover, the filter assembly 264 can be assembled and disassembled conveniently and reliably without any tools.

In this embodiment, the shape of the air inlet 210, the shape of the filter assembly 264, and the shape of the whole ceiling fan 100 can be flexibly configured, such as polygonal, circular, etc.

In the description of the present invention, the terms "plurality" or "a plurality" refer to two or more, and unless otherwise specifically limited, the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention; the terms "connected," "mounted," "secured," and the like are to be construed broadly and include, for example, fixed connections, removable connections, or integral connections; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the description herein, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A ceiling fan, comprising:

the air conditioner comprises a machine shell, wherein an air outlet is formed in the machine shell;

the wind wheel assembly is arranged in the machine shell and communicated with the air outlet;

the grille component is arranged at the air outlet and comprises a plurality of grille openings, and the grille openings are at least two of the grille openings and are different in opening area.

2. The ceiling fan of claim 1,

in two adjacent grid openings, the opening area of the grid opening close to the wind wheel assembly is smaller than the opening area of the grid opening far away from the wind wheel assembly.

3. The ceiling fan of claim 1, wherein the grill assembly comprises:

the grid openings are formed between every two adjacent grid pieces.

4. The ceiling fan of claim 3,

the grid pieces are located on the side of the wind wheel assembly, the distance between every two adjacent grid pieces is gradually increased in the distribution direction of the grid pieces, and the wind wheel assembly is located on the side with the smaller distance.

5. The ceiling fan of claim 3, further comprising:

and the turbulence structure is arranged on each wall surface of the grid plate facing the wind wheel component.

6. The ceiling fan of claim 5,

the turbulence structure protrudes out of the plurality of grating pieces; and/or

The turbulent flow structure is recessed in the plurality of grating pieces.

7. The ceiling fan of claim 5,

the turbulent flow structure comprises one or a combination of the following components: corrugated structure, sawtooth structure, square tooth structure, protruding structure, groove structure.

8. The ceiling fan of any of claims 1 to 7, further comprising:

and the air outlet duct is arranged in the shell and communicated with the air wheel component and the air outlet.

9. The ceiling fan of claim 8,

in the height direction of the ceiling fan, the air outlet is positioned below the air outlet duct, the air wheel component is positioned on the side of the air outlet duct, and the grille component is arranged in the air outlet duct.

10. The ceiling fan of claim 8, wherein the outlet duct comprises:

a first air outlet wall surface;

and the air outlet is positioned between the first air outlet wall surface and the second air outlet wall surface.

11. The ceiling fan of claim 10, wherein the outlet duct comprises:

one end of the air outlet duct is communicated with the air wheel component, the other end of the air outlet duct extends towards the direction deviating from the air wheel component, and the distance between the first air outlet wall surface and the second air outlet wall surface is gradually reduced in the extending direction of the air outlet duct.

12. The ceiling fan of claim 8, further comprising:

and the flow guide structure is connected with the air outlet duct and extends towards the air outlet.

13. The ceiling fan of claim 12,

the flow guide structure comprises a flow guide surface, and the flow guide surface is obliquely arranged relative to the inner wall of the air outlet duct.

14. The ceiling fan of claim 8, wherein the fan wheel assembly comprises:

the volute is arranged in the machine shell, and an air supply outlet is formed in the volute;

the wind wheel is arranged in the volute and is communicated with the air outlet duct through the air supply outlet;

and the driving part is connected with the wind wheel.

15. The ceiling fan of claim 14,

the volute and the inner wall of the air outlet duct are connected at the air supply opening, and the connection included angle between the volute and the air outlet duct is larger than or equal to 90 degrees and smaller than or equal to 180 degrees.

16. The ceiling fan of claim 15, wherein the fan wheel assembly further comprises:

the mounting cavity is arranged in the volute, the wind wheel and the driving component are arranged in the mounting cavity, and the air supply outlet and the air outlet duct are positioned on the side of the mounting cavity; and/or

The avoiding groove is arranged on the wind wheel, and at least part of the driving part is accommodated in the avoiding groove.

17. The ceiling fan of claim 14, wherein the volute comprises:

the air guide wall surface is arranged on the periphery of the wind wheel and extends towards the air supply outlet;

the volute tongue is connected with the air guide wall surface;

and in the extending direction of the air guide wall surface, the distance between the air guide wall surface and the axis of the wind wheel is gradually increased.

18. The ceiling fan of any one of claims 1 to 7,

the ceiling fan comprises an air outlet system, and the air outlet system comprises the air outlet, the air wheel assembly and the grille assembly;

wherein, the air-out system is one or more.

19. The ceiling fan of any of claims 1 to 7, wherein the housing further comprises:

the air inlet, the wind wheel subassembly set up in air inlet department, along the axis of rotation direction of the wind wheel of wind wheel subassembly, the air inlet with the air outlet is located same one side or relative both sides of casing.

20. The ceiling fan of any of claims 1 to 7, wherein the housing further comprises:

the air outlet is arranged on the shell, and the air wheel assembly and the grid assembly are connected with the shell;

the cover body is connected with the shell body.