CN111927802B - Air purification electric fan - Google Patents
Air purification electric fan Download PDFInfo
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- CN111927802B CN111927802B CN202010841959.3A CN202010841959A CN111927802B CN 111927802 B CN111927802 B CN 111927802B CN 202010841959 A CN202010841959 A CN 202010841959A CN 111927802 B CN111927802 B CN 111927802B
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- air
- flow guide
- air outlet
- shell
- fan
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
- F04D29/281—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
- F04D29/4226—Fan casings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/44—Fluid-guiding means, e.g. diffusers
- F04D29/441—Fluid-guiding means, e.g. diffusers especially adapted for elastic fluid pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/666—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps by means of rotor construction or layout, e.g. unequal distribution of blades or vanes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
- F04D29/701—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps
- F04D29/703—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps specially for fans, e.g. fan guards
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses an air purification electric fan, which comprises a main body shell, an air purification unit, an air suction device and fan blades; the main body shell is provided with an air inlet, an air outlet and an air channel, and a fan flow guide structure is arranged in the air channel close to the air outlet; the air purification unit is arranged in the air duct; the air suction device and the fan blades are arranged in the air duct, and the air suction device, the fan blades and the fan flow guide structure are sequentially arranged from the air inlet to the air outlet at intervals; the fan flow guiding structure is provided with a flow guiding cavity communicated with the air channel and the air outlet, and the air inlet end of the flow guiding cavity is larger than the air outlet end of the flow guiding cavity; the diversion cavity is internally provided with a diversion piece, the diversion piece extends out of the diversion cavity from the diversion cavity to the air outlet end, and the diversion piece is provided with a diversion diffusion surface which is gradually arranged in a large mode; the outside air is sucked from the air inlet by the air suction device, the air entering the air channel provides pushing force to the air inlet end of the flow guide cavity by the fan blades, the air at the air outlet end of the air channel is accelerated after passing through the flow guide cavity, and the air is sent out from the air outlet in a diffusion shape along the flow guide diffusion surface of the flow guide piece.
Description
Technical Field
The invention relates to the technical field of electric fans, in particular to an air purification electric fan.
Background
The indoor environment in which humans often move is subject to a variety of pollution that has affected aspects of our lives. Some pollution can cause symptoms of dizziness, nausea and the like of people, thereby seriously affecting the working efficiency of people. Especially organic pollution, bacterial pollution and PM2.5 pollution, which cause serious obstacles to the improvement of the quality of life of people. The existing electric fan only has a blowing function; therefore, the solar energy collector is only used in the hot days, the utilization rate is not high, and the space is occupied. The air purifier generally has the functions of removing smoke dust, removing peculiar smell, removing bacteria, generating negative ions and the like, but has no blowing function.
At present, an air purifier mainly uses a centrifugal fan or an axial fan to supply air in a single direction, for example, a plasma air purification bladeless electric fan disclosed in chinese patent CN 105781947B, and utilizes the electric fan to increase air circulation and improve air purification efficiency. Generally, a filter element for filtering air is arranged at an air inlet of the air purifying electric fan; the arrangement of the filter element enables the gas entering from the outside to generate resistance, and the centrifugal fan or the axial fan is used for unidirectional air supply alone, so that the efficiency of the entering of the outside gas is not high due to insufficient suction force of the centrifugal fan or the axial fan, and the air outlet quantity is low; if need bigger air output, can only increase centrifugal fan or axial fan's rotational speed, this kind of mode can make the motor consumption of air purification electric fan big, the noise is big, leads to using to experience and feels not good.
Disclosure of Invention
In view of the above, the present invention is directed to the defects in the prior art, and the main object of the present invention is to provide an air purifying electric fan, which can effectively solve the problems of low efficiency, large power consumption, large noise, etc. of the existing air purifying electric fan.
In order to achieve the purpose, the invention adopts the following technical scheme:
an air purification electric fan comprises a main body shell, an air purification unit, an air suction device and fan blades;
the main body shell is provided with an air inlet, an air outlet and an air channel connected with the air inlet and the air outlet, and a fan flow guide structure is arranged in the air channel and close to the air outlet; the air purification unit is arranged in the air duct; the air suction device and the fan blades are arranged in the air channel, and the air suction device, the fan blades and the fan flow guide structure are sequentially arranged from the air inlet to the air outlet at intervals;
the fan flow guide structure is provided with a flow guide cavity communicated with the air channel and the air outlet, and the air inlet end of the flow guide cavity is larger than the air outlet end of the flow guide cavity; a flow guide piece is arranged in the flow guide cavity, extends out of the flow guide cavity from the flow guide cavity to the air outlet end and is provided with a flow guide diffusion surface which is gradually enlarged;
the external air is sucked from the air inlet by the air suction device, the air entering the air channel provides pushing force to the air inlet end of the flow guide cavity by the fan blades, the air at the air outlet end of the air channel is accelerated after passing through the flow guide cavity, and the air is sent out from the air outlet in a diffusion manner along the flow guide diffusion surface of the flow guide piece.
As a preferred embodiment: the air suction device comprises a motor and a turbofan; the motor is installed in the main body shell through a flexible support, and the turbofan is installed on a rotating shaft of the motor.
As a preferred embodiment: the flabellum is installed in the pivot of motor, turbofan and flabellum are in proper order from the air intake towards the air outlet interval setting.
As a preferred embodiment: the flexible support comprises a plastic part and a plurality of stud bolts, and one ends of the stud bolts are correspondingly screwed at the top and the bottom of the plastic part;
wherein: the other end of the stud at the top is connected with the motor, and the stud at the bottom is connected with the main shell.
As a preferred embodiment: the air purification unit comprises a fixing frame and a filter element, the filter element is installed on the fixing frame, and the fixing frame is installed on the main body shell so that the filter element covers the inner side of the air inlet.
As a preferred embodiment: the flow guide cavity is arranged from the air inlet end to the air outlet end in a gradually-reduced mode, and the air outlet end is smaller than the air outlet.
As a preferred embodiment: the air outlet is provided with an air outlet net cover, and the flow guide piece is arranged in the middle of the inner side of the air outlet net cover.
As a preferred embodiment: the flow guide piece is in a conical shape or a spherical crown shape, the flow guide cavity is in a frustum shape, and the flow guide shell, the flow guide piece and the air outlet are arranged on the same central shaft.
As a preferred embodiment: the air duct can be selectively provided with any one or the combination of more than two of an infrared sterilization device, a humidification device, a heating device, a refrigeration device and an anion device.
As a preferred embodiment: the main body shell comprises a middle shell, a bottom shell and a top shell, and the bottom shell and the top shell are correspondingly arranged at the bottom and the top of the middle shell;
the air inlet penetrates through the side surface of the bottom shell, and the air outlet penetrates through the side surface of the top shell;
the air purification unit, the air suction device and the fan blades can be selectively arranged on the bottom shell or the middle shell.
Compared with the prior art, the invention has obvious advantages and beneficial effects, and specifically, the technical scheme includes that:
the air suction device is used for sucking external air into the air channel through the arranged air suction device and the fan blades, and then the air sucked into the air channel is sent out from the air outlet in a one-way mode through the fan blades; compared with the traditional air supply mode of only a centrifugal fan or an axial fan, the air suction efficiency is high; the fan blades are combined to send out the air in a single direction, so that the air output can be increased, and the experience of a user is better;
secondly, the air suction device sucks air and combines with the fan blades to directionally supply air; under the same power consumption, compared with the traditional air purification electric fan, the power consumption of the motor is low, and the generated noise can be greatly reduced, so that the experience of a user is further improved;
moreover, the air in the air duct is gathered and guided by the guide shell, so that the air sending speed is increased, and the air quantity is sufficient during blowing; the collected air is sent out from the air outlet in a diffused state by combining the arranged flow guide piece, so that the blown air can be more moderate, and the blowing comfort of a user is improved; compared with the traditional air purifying electric fan adopting linear air supply, the air outlet coverage is wider;
the air suction device and the fan blades are arranged in the air duct and are close to the air inlet; under the condition of not disassembling the main body shell, a user can not see or touch the air suction device and the fan blades, the effect similar to no blade is formed, and the integral protection performance of the air purification electric fan can be improved.
To more clearly illustrate the structural features and effects of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
Drawings
FIG. 1 is a schematic perspective view of an electric fan with air purification according to a preferred embodiment of the present invention;
FIG. 2 is a cross-sectional view of an electric fan for air purification according to a preferred embodiment of the present invention;
FIG. 3 is an exploded view of an electric fan for air purification according to a preferred embodiment of the present invention;
fig. 4 is a schematic diagram of the operation of the electric fan for air purification according to the preferred embodiment of the invention.
The attached drawings indicate the following:
10. main body case 101, middle case
102. Bottom shell 103 and top shell
11. Air inlet 12 and air outlet
121. Convex strip 13 and air duct
14. Air outlet net cover 141, hook
15. Flow guide member 20 and air purification unit
21. Fixing frame 22 and filter element
30. Air suction device 31 and motor
32. Turbofan 33, flexible support
331. Plastic part 332, stud
333. Fixing member 40 and fan blade
50. Diversion shell 51 and diversion cavity
52. Front end opening 53 and rear end opening
54. And fixing the edge.
Detailed Description
Referring to fig. 1 to 4, which show the specific structure of the preferred embodiment of the present invention, an electric fan for air purification includes a main body case 10, an air purification unit 20, an air suction device 30 and fan blades 40.
The main body shell 10 is provided with an air inlet 11, an air outlet 12 and an air duct 13 connecting the air inlet 11 and the air outlet 12, and the air purification unit 20 is arranged in the air duct 13 and is close to the air inlet 11; the air suction device 30 and the fan blades 40 are arranged in the air duct 13, and the air suction device 30 and the fan blades 40 are arranged at intervals from the air inlet 11 to the air outlet 12 in sequence; the external air is sucked from the air inlet 11 by the air suction device 30, and the air entering the air duct 13 is provided with a pushing force by the fan blades 40 and is sent out from the air outlet 12. Specifically, through the arrangement of the air suction device 30 and the fan blades 40, the air suction device 30 is used for sucking the outside air into the air duct 13, and then the fan blades 40 are used for sending the air sucked into the air duct 13 out of the air outlet 12 in a single direction; compared with the traditional air supply mode only using a centrifugal fan or an axial fan, the mode that the air suction device 30 sucks the outside air can avoid the problem that the air quantity entering the air channel 13 is small due to the resistance generated by the air purification unit 20, and can greatly improve the air suction efficiency; the fan blades 40 are combined to send out the air in a single direction, so that the air outlet volume of the air outlet 12 is large, and the experience of a user is better. Secondly, the air suction device 30 sucks air and combines with the fan blades 40 to supply air directionally; under the same power consumption, compared with the conventional air purifying electric fan, the power consumption of the motor 31 is small, and the generated noise can be greatly reduced, so that the experience of the user is further improved.
In the embodiment of the present application, the main body case 10 includes a middle case 101, a bottom case 102 and a top case 103, the bottom case 102 is installed at the bottom of the middle case 101, and the top case 103 is installed at the top of the middle case 101; in actual production, the middle shell 101, the bottom shell 102 and the top shell 103 can be made by gluing, screwing or integrally molding. The air inlet 11 is disposed through the side of the bottom housing 102, the air inlet 11 may be a structure with a plurality of through holes or through slots, and the air outlet 12 is disposed through the side of the top housing 103; the air cleaning unit 20, the air suction device 30 and the fan blades 40 can be selectively installed on the bottom case 102 or the middle case 101. The air duct 13 can be selectively provided with any one or a combination of more than two of an infrared sterilization device, a humidification device, a heating device, a refrigeration device and an anion device, and the infrared sterilization device, the humidification device, the heating device, the refrigeration device and the anion device can be arranged at any position of the air duct as long as the air flow in the air duct is not influenced; compared with the traditional mode that some devices can only be arranged in front of the fan blades, the device is more convenient and flexible to arrange.
Preferably, the air suction device 30 includes a motor 31 and a turbofan 32, the motor 31 is mounted to the main body housing 10 through a flexible bracket 33, and the turbofan 32 is mounted to a rotating shaft of the motor 31; the mode of adopting turbofan 32 to inhale, its simple structure, the assembly of being convenient for, the feasibility is good. The fan 40 is mounted on the rotating shaft of the motor 31, and the turbofan 32 and the fan 40 are sequentially spaced from the air inlet 11 toward the air outlet 12.
As mentioned above, the flexible support 33 includes a plastic part 331 and a plurality of stud bolts 332; specifically, one end of each of the plurality of studs 332 is screwed to the top and bottom of the plastic member 331; the other end of the top stud 332 is connected to the motor 31 and the bottom stud 332 is connected to the body case 10. Preferably, the flexible support 33 further comprises a fixing member 333 for mounting the motor 31, and the fixing member 333 is threadedly coupled to the top stud 332; the motor 31 is mounted on the fixing member 333, and the rotating shaft of the motor 31 is disposed upward, so that the turbofan 32 and the fan blade 40 are disposed at an interval from the air inlet 11 to the air outlet 12. The bottom stud of the flexible bracket 33 is screwed on the bottom surface of the bottom shell 102, and the specific positions of the air suction device 30 and the turbofan 32 can be adjusted as required by rotating the top stud or the bottom stud 332. Through the arrangement of the flexible support 33, the installation of the air suction device 30 is convenient, and the damping effect can be achieved; in the using process, the vibration generated by the motor 31 can be avoided, so that the other structures of the air purification electric fan are subjected to the common vibration, and the use is more reliable.
The air purification unit 20 comprises a fixed frame 21 and a filter element 22, wherein the fixed frame 21 is a circular frame; the filter element 22 is installed outside the fixing frame 21, and the fixing frame 21 is installed on the main body case 10 so that the filter element 22 covers the inside of the air inlet 11. The air suction device 30 is arranged on the inner side of the fixing frame 21, and the air purification electric fan is compact in overall structure, smaller in overall size and in line with the current miniaturization development trend.
A fan flow guide structure is arranged in the air duct close to the air outlet, and comprises a flow guide shell 50 and a flow guide piece 15; the diversion shell 50 is arranged near the air outlet 12, the diversion shell 50 is provided with a diversion cavity 51, and the air inlet end of the diversion cavity 51 is larger than the air outlet end thereof; the diversion cavity 51 is communicated with the air duct 13 and the air outlet 12, the air inlet end of the diversion cavity 51 is used as a rear end opening 53, and the air outlet end of the diversion cavity 51 is used as a front end opening 52; the front opening 52 of the baffle shell 50 is smaller than the rear opening 53, so that the baffle cavity 51 is disposed from the rear to the front, and the front opening 52 faces the outlet 12 and is smaller than the outlet 12. The side edge of the guide shell 50 preferably adopts a circular arc structure, and the rear end of the guide shell 50 is provided with a fixed edge 54; the guide shell 50 is mounted by the fixing edge 54 abutting against the wall surface of the air duct 13, and of course, the guide shell 50 may also be fixed to the air duct 13 by means of a snap, an adhesive, or a screw fastening. The external air is sucked from the air inlet by the air suction device, the air entering the air channel provides pushing force to the air inlet end of the flow guide cavity by the fan blades, the air at the air outlet end of the air channel is accelerated after passing through the flow guide cavity, and the air is sent out from the air outlet in a diffusion manner along the flow guide diffusion surface of the flow guide piece. The guide shell 50 can effectively guide the gas in the air duct 13, and the design that the front end opening 52 of the guide shell 50 is smaller than the rear end opening 53 is ingeniously utilized, so that the gas flowing through the guide shell 50 can be gathered, the gas sending speed is improved, and the air quantity during blowing is sufficient.
The air outlet 12 is provided with an air outlet mesh enclosure 14, and a flow guiding member 15 is disposed in the middle of the inner side of the air outlet mesh enclosure 14. In the embodiment of the present application, the air outlet mesh enclosure 14 is provided with a hook 141, and the air outlet 12 is provided with a protruding strip 121 for fastening the hook 141; when the air outlet mesh enclosure 14 is installed, the air outlet mesh enclosure 14 covers the air outlet 12, and then the hooks 141 can be fastened on the protruding strips 121 by rotating the air outlet mesh enclosure 14 to complete the fixing of the air outlet mesh enclosure 14, so that the installation is very convenient and simple. The front end of the flow guide member 15 is larger than the rear end, and the rear end of the flow guide member 15 extends backwards into the flow guide shell 50; the diversion member 15 is disposed to be gradually enlarged from the rear to the front, that is, the diversion member 15 extends from the interior of the diversion cavity 51 to the air outlet end to the exterior of the diversion cavity, so that the diversion member has a gradually enlarged diversion diffusion surface.
The collected air is sent out from the air outlet 12 in a diffused state by the diversion piece 15 through the collected air of the diversion shell 50, so that the blown air can be more moderate, and the blowing comfort of a user is improved; and compared with the traditional air purifying electric fan adopting linear air supply, the air outlet coverage is wider. Preferably, the flow guiding member 15 is a conical flow guiding member 15 or a semi-spherical flow guiding member 15, and the flow guiding member 15 can be glued, screwed, fastened or integrally formed.
After the air enters the rear end of the diversion shell 50, the inner wall surface of the diversion shell 50 and the outer wall surface of the diversion piece 15 are gradually transition surfaces, so that the air flows in a space from big to small; when the air flows from the front end of the diversion shell 50 to the air outlet 12, the air flows in the space gradually enlarged from small to large, the outer wall surface of the diversion piece 15 makes the air diffuse to the outer periphery, and the air outlet coverage is enlarged.
The design of the invention is characterized in that: mainly through the arranged air suction device 30 and the fan blades 40, the air suction device 30 is used for sucking the outside air into the air channel 13, and then the fan blades 40 are used for sending the air sucked into the air channel 13 out from the air outlet 12 in a single direction; compared with the traditional air supply mode of only a centrifugal fan or an axial fan, the air suction efficiency is high; the fan blades 40 are combined to send out the air in a single direction, so that the air outlet quantity can be increased, and the experience of a user is better;
secondly, the air suction device 30 sucks air and combines with the fan blades 40 to supply air directionally; under the same power consumption, compared with the traditional air purification electric fan, the power consumption of the motor 31 is small, and the generated noise can be greatly reduced, so that the experience of a user is further improved;
moreover, the diversion shell 50 is used for gathering and diverting the gas in the air duct 13, so that the gas sending speed is increased, and the air volume during blowing is enough; the collected air is sent out from the air outlet 12 in a diffused state by the combined flow guide piece 15, so that the blown air can be more moderate, and the blowing comfort of a user is improved; compared with the traditional air purifying electric fan adopting linear air supply, the air outlet coverage is wider;
the air suction device 30 and the fan blades 40 are arranged in the air duct 13 and close to the air inlet 11; under the condition of not disassembling the main body shell 10, a user can not see or touch the air suction device 30 and the fan blades 40, the effect similar to no blades is formed, and the whole protection performance of the air purification electric fan can also be improved.
In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only 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 above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any minor modifications, equivalent changes and modifications made to the above embodiment according to the technical spirit of the present invention are within the technical scope of the present invention.
Claims (5)
1. An air purification electric fan which is characterized in that: comprises a main body shell, an air purification unit, an air suction device and fan blades;
the main body shell is provided with an air inlet, an air outlet and an air channel connected with the air inlet and the air outlet, and a fan flow guide structure is arranged in the air channel and close to the air outlet; the air purification unit is arranged in the air duct; the air suction device and the fan blades are arranged in the air channel, and the air suction device, the fan blades and the fan flow guide structure are sequentially arranged from the air inlet to the air outlet at intervals;
the air suction device comprises a motor and a turbofan; the motor is arranged on the main body shell through a flexible support, and the turbofan is arranged on a rotating shaft of the motor; the fan blades are arranged on a rotating shaft of the motor, and the turbofan and the fan blades are arranged at intervals from the air inlet to the air outlet in sequence;
the fan flow guide structure is provided with a flow guide cavity communicated with the air channel and the air outlet, the flow guide cavity is arranged in the flow guide shell, the air inlet end of the flow guide cavity is larger than the air outlet end of the flow guide cavity, the flow guide cavity is arranged from the air inlet end to the air outlet end in a gradually-reduced mode, and the air outlet end is smaller than the air outlet; a flow guide piece is arranged in the flow guide cavity, extends out of the flow guide cavity from the flow guide cavity to the air outlet end and is provided with a flow guide diffusion surface which is gradually enlarged; the air outlet is provided with an air outlet mesh enclosure, and the flow guide piece is arranged in the middle of the inner side of the air outlet mesh enclosure; the flow guide piece is in a conical shape or a spherical crown shape, the flow guide cavity is in a frustum shape, and the flow guide shell, the flow guide piece and the air outlet are arranged in the same central shaft;
the external air is sucked from the air inlet by the air suction device, the air entering the air channel provides pushing force to the air inlet end of the flow guide cavity by the fan blades, the air at the air outlet end of the air channel is accelerated after passing through the flow guide cavity, and the air is sent out from the air outlet in a diffusion manner along the flow guide diffusion surface of the flow guide piece.
2. The air purifying electric fan as claimed in claim 1, wherein: the flexible support comprises a plastic part and a plurality of stud bolts, and one ends of the stud bolts are correspondingly screwed at the top and the bottom of the plastic part;
wherein: the other end of the stud at the top is connected with the motor, and the stud at the bottom is connected with the main shell.
3. The air purifying electric fan as claimed in claim 1, wherein: the air purification unit comprises a fixing frame and a filter element, the filter element is installed on the fixing frame, and the fixing frame is installed on the main body shell so that the filter element covers the inner side of the air inlet.
4. The air purifying electric fan as claimed in claim 1, wherein: the air duct can be selectively provided with any one or the combination of more than two of an infrared sterilization device, a humidification device, a heating device, a refrigeration device and an anion device.
5. The air purifying electric fan as claimed in claim 1, wherein: the main body shell comprises a middle shell, a bottom shell and a top shell, and the bottom shell and the top shell are correspondingly arranged at the bottom and the top of the middle shell; the air inlet penetrates through the side surface of the bottom shell, and the air outlet penetrates through the side surface of the top shell; the air purification unit, the air suction device and the fan blades can be selectively arranged on the bottom shell or the middle shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010841959.3A CN111927802B (en) | 2020-08-20 | 2020-08-20 | Air purification electric fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010841959.3A CN111927802B (en) | 2020-08-20 | 2020-08-20 | Air purification electric fan |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111927802A CN111927802A (en) | 2020-11-13 |
| CN111927802B true CN111927802B (en) | 2022-04-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010841959.3A Active CN111927802B (en) | 2020-08-20 | 2020-08-20 | Air purification electric fan |
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| CN (1) | CN111927802B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102021109555A1 (en) | 2021-04-15 | 2022-10-20 | Phoneon Gmbh | Sound absorber with air purifier |
| CN113944971B (en) * | 2021-11-04 | 2023-05-30 | 北京小米移动软件有限公司 | Air purifying equipment |
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| KR100737448B1 (en) * | 2005-09-12 | 2007-07-10 | 삼성전자주식회사 | Air conditioner |
| CN203928173U (en) * | 2014-05-20 | 2014-11-05 | 佛山市伊立浦电器有限公司 | Air purifier |
| CN106322586A (en) * | 2015-06-19 | 2017-01-11 | 汪诚 | Dedusting air purifier |
| CN106051948B (en) * | 2016-07-18 | 2021-07-30 | 中山市兆美电子电器有限公司 | Double-fan air purifier |
| CN106594866A (en) * | 2016-11-10 | 2017-04-26 | 成都三壹八科技有限公司 | Novel dust collector |
| CN206410242U (en) * | 2016-12-30 | 2017-08-15 | 北京小叶子优生活科技有限公司 | A kind of air purifier |
| CN107702266A (en) * | 2017-11-02 | 2018-02-16 | 苏州纽塔克环境科技有限公司 | A kind of split type VMC of internal-external machine and installation method |
| CN209943143U (en) * | 2019-04-24 | 2020-01-14 | 臻友重工(江苏)有限公司 | Flow guide type fan with rotary air outlet structure |
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2020
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