CN205065955U - Air purifier - Google Patents
Air purifier Download PDFInfo
- Publication number
- CN205065955U CN205065955U CN201520650332.4U CN201520650332U CN205065955U CN 205065955 U CN205065955 U CN 205065955U CN 201520650332 U CN201520650332 U CN 201520650332U CN 205065955 U CN205065955 U CN 205065955U
- Authority
- CN
- China
- Prior art keywords
- centrifugal fan
- blade
- air
- air channel
- fan
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model relates to an air purifier mainly includes a casing and installs electrical system and filtration system and the fan system in the casing, and the fan system is the fan system that adopts the centrifugal fan mode, and centrifugal fan includes centrifugal fan axle, up end and lower terminal surface and blade. Centrifugal fan's blade sets up as follows: with the up end or down the terminal surface be the perspective plane, the blade be in projection on the perspective plane is the blade pitch arc, the centrifugal fan axle be in projection on the perspective plane is the centre of a circle, and is along the centrifugal fan rotation direction, adjacent the blade pitch arc is blade pitch arc A and blade pitch arc B respectively, the blade pitch arc A keep away from the end -to -end joint in the centre of a circle the centre of a circle get connecting wire L, blade pitch arc B with connecting wire L non -intersect or tangent, just blade pitch arc B on the point arrive the minimum distance of connecting wire be less than or equal to 5 millimeters. The utility model discloses an air purifier has optimized fan system design.
Description
Technical field
The utility model relates to air cleaner apparatus field, particularly relates to the air cleaner adopting centrifugal fan to build fan system.
Background technology
Air cleaner is also known as " air cleaner ", refer to and can adsorb, decompose or transform the product that various air pollutants effectively improve air cleanliness, the air pollution problem inside rooms that the finishing pollution, bacterium, anaphylactogen etc. that are mainly used in solving PM2.5, dust, pollen, peculiar smell, formaldehyde and so on cause.
Existing air cleaner, mainly comprise electric-control system and filtration system and fan system, electric-control system is for controlling fan system work and providing extra additional function, as ozonization, ultraviolet disinfection etc., filtration system is for tackling the contaminant particle of air, and fan system is used for air is blown out via after filtration system.
Existing air cleaner many employings centrifugal fan builds its fan system, and this system includes an air channel cavity body structure and is arranged on a centrifugal fan in this air channel cavity body structure.When centrifugal fan rotates, air-flow is by centrifugal fan shaft position radiant flux to centrifugal fan blade, and existing centrifugal fan arranges unreasonable due to the spacing of blade, and blade kinetic energy fails fully to act on air-flow, causes whole fan system duty undesirable.
Summary of the invention
The utility model aims to provide the air cleaner that a kind of fan system is optimized, and to solve the problem of the centrifugal fan blade kinetic energy efficiency deficiency of existing air cleaner, concrete scheme is as follows:
Air cleaner, mainly comprises a housing and is arranged on electric-control system in housing and filtration system and fan system; Described fan system includes an air channel cavity body structure and is arranged on a centrifugal fan in this air channel cavity body structure; Described centrifugal fan is made up of centrifugal fan axle, upper surface and lower surface and blade, and described blade axle centered by described centrifugal fan axle is uniformly distributed and is arranged between described upper surface and lower surface; Because described blade is thinner and very little along distortion change on the direction of described centrifugal fan axle, the utility model does not consider that the thickness of described blade and blade are along the axial distortion of described centrifugal fan and distortion.With upper surface or lower surface for perspective plane, described blade is projected as blade camber line on described perspective plane, and described centrifugal fan axle is projected as the center of circle on described perspective plane; Adjacent described blade meets following setting: along centrifugal fan rotation direction, adjacent described blade camber line is respectively blade camber line A and blade camber line B, the center of circle described in the connection of end points away from the described center of circle of described blade camber line A obtains connecting line L, described blade camber line B and described connecting line L is non-intersect or tangent, and point on described blade camber line B is less than or equal to 5 millimeters to the beeline of described connecting line.
Described centrifugal fan utilizes the effect of centrifugal force, the gas radiation at described centrifugal fan axle center place is delivered to described blade place, described blade increases kinetic energy and the pressure energy of air-flow, and the blade simultaneously accelerates air-flow further against the face formation negative pressuren zone of described centrifugal fan rotation direction; The air cleaner that the utility model provides, its blade set-up mode equilibrium make use of the effect of described centrifugal fan to air-flow, at utmost can improve the usefulness of blade, reach the effect improving fan system duty.
Further, described air channel cavity body structure comprises upper cover plate and lower cover and is looped around chamber, the air channel wall of centrifugal fan periphery, chamber, described air channel wall forms one or more breach, by arranging this breach, improve air channel cavity body structure, form the chamber, air channel of large-little-large change of a volume, impel air whirl and eddy current crack to produce in the cavity of soundproof effect better air channel in advance, reach reduction wind and to make an uproar object.
Further, form a vertically disposed annular at described upper cover plate and lower cover or one of them and close wall, this annular closed-wall face corresponds to the outer border of this centrifugal fan.By on centrifugal fan below or the two corresponding annular be set close wall, blocked high-speed gas and be trapped in described air channel cavity internal circulation flow passage, reduced howling to reach, reduce blower fan loss object.
Further, chamber, described air channel wall is not exclusively closed, and be connected to an air outlet, the air outlet wall of described air outlet both sides is stretched out by described chamber, air channel wall to be formed respectively, air outlet wall wherein described in side is whirlpool tongue, and opposite side is backboard portion, and described backboard portion adopts outside inclined open type, described lower cover forms a downhill sections at air outlet position, and corresponding described upper cover plate also forms a descending portion at air outlet position.Tuyere structure arranges the air outlet design of such descending, and air outlet, further to air-flow guiding, reaches homogenize air-out and reduces the effect of the outflow of noise.
Further, chamber, above-mentioned air channel wall is arranged perpendicular to described upper cover plate or described lower cover.
Further, above-mentioned upper cover plate, above-mentioned lower cover all arrange described annular closing face.
Further, above-mentioned breach is arranged on the position of the relative side of air outlet.
Air cleaner of the present utility model, by fan system optimal design, is optimized the layout of centrifugal fan blade, is improve the usefulness of blade, reach the effect improving fan system duty.
Accompanying drawing explanation
Fig. 1 shows the perspective view of the air cleaner of embodiment 1 of the present utility model;
Fig. 2 shows the centrifugal fan upward view of the air cleaner according to Fig. 1;
Fig. 3 shows and removes air channel cavity perspective view after upper cover according to the air cleaner of Fig. 1;
Fig. 4 shows the perspective view of the air cleaner of embodiment 2 of the present utility model;
Fig. 5 shows and removes cavity air outlet place, air channel perspective view (angle one) after upper cover according to the air cleaner of Fig. 4;
Fig. 6 show according to the air cleaner of Fig. 4 remove upper cover after, chamber, air channel wall indentation, there perspective view;
Fig. 7 shows and removes air channel cavity perspective view after upper cover according to the air cleaner of Fig. 4;
Fig. 8 shows and removes cavity air outlet place, air channel perspective view (angle two) after upper cover according to the air cleaner of Fig. 4;
Fig. 9 shows the upward view of embodiment 2 of the present utility model;
Figure 10 shows the cross section view of Fig. 9 along A-A line.
Detailed description of the invention
For further illustrating each embodiment, the utility model provides accompanying drawing.These accompanying drawings are a part for the utility model disclosure, and it is mainly in order to illustrate embodiment, and the associated description of description can be coordinated to explain the operation principles of embodiment.Coordinate with reference to these contents, those of ordinary skill in the art will be understood that other possible embodiments and advantage of the present utility model.Assembly in figure not drawn on scale, and similar element numbers is commonly used to assembly like representation class.
Now with detailed description of the invention, the utility model is further illustrated by reference to the accompanying drawings.
Embodiment 1:
Fig. 1 is the air cleaner of this embodiment, has the electric-control system of a housing and inside and filtration system and fan system.
Composition graphs 2, Fig. 2 is the centrifugal fan upward view of the air cleaner of embodiment 1.Using upper surface as the perspective plane perpendicular to centrifugal fan axle in figure, blade be projected as blade camber line 12, centrifugal fan axle be projected as the center of circle 11, centrifugal fan rotation direction is direction 10.Along direction 10, adjacent blade camber line 12 is respectively blade camber line A and blade camber line B, and blade camber line A is connecting line L away from the end points in the center of circle 11 and the line in the center of circle 11, and blade camber line B is distance H to the minimum distance of connecting line 13.
In the present embodiment 1, distance H is greater than 0, is 5MM.Shown in figure, gas is flowed along the direction deviating from the center of circle 11 by the center of circle 11, and blade camber line 12 all can directly contact by the gas of the center of circle 11 radius flow, can make full use of the effect of centrifugal force, and increases kinetic energy and the pressure energy of air-flow; Blade camber line 12 is against in direction, 10 high-speed rotation due to centrifugal fan 1 form negative pressuren zones simultaneously, and the restriction of distance H ensure that negative pressuren zone can directly act on the gas flowed along blade camber line 12, increases its kinetic energy.Above-mentioned effect improves blade usefulness, the centrifugal fan center of circle 11 place vacuum is farthest increased, finally reaches the effect improving fan system duty.
Meanwhile, in the present embodiment 1, distance H can be any one numerical value in 0 to 5mm scope, and is not limited only to 5mm.When H is minimum of a value 0, namely connecting line L is tangential on blade camber line B, and can reach optimum duty, its operation principle is same as described above.
Be understandable that; the present embodiment 1 just lists the performance of optimal effectiveness; with any one plane perpendicular to centrifugal fan axle between centrifugal fan upper surface and lower surface for perspective plane; project apart from the blade of this perspective plane random length and centrifugal fan axle; according to the structure arranging blade as described above, all within the utility model protection domain.
Composition graphs 3, included an air channel cavity body structure by this fan system shown in figure and be arranged on a centrifugal fan 1 in this air channel cavity body structure, this air channel cavity body structure comprises upper cover plate (removing) and lower cover 3 and vertically arranges and be looped around chamber, the air channel wall 4 of centrifugal fan 1 periphery; Lower cover 3 is formed a vertically disposed annular and closes wall 31, the closed wall 31 of this annular corresponds to the outer border of this centrifugal fan 1.When centrifugal fan 1 rotates, after portion gas impacts chamber, air channel wall 4, commutation is flowed along the inner surface of lower cover 3 to the axle center of centrifugal fan 1, and the closed wall 31 of annular blocks the passage of this portion of gas flows and again changes its direction, thus avoid high velocity air to be stranded in chamber, air channel wall internal circulation flow, add described centrifugal fan 1 axle center place air accumulation ability simultaneously, reach the object reducing blower fan loss, reduce fan noise.
Embodiment 2:
Fig. 4 is the air cleaner of this embodiment, has the electric-control system of a housing and inside and filtration system and fan system.
Fig. 7 is the structure chart that fan system opens upper cover plate.Embodiment 2 basic structure is identical with embodiment 1, and difference from Example 1 is as follows:
Composition graphs 5, Fig. 6 and Fig. 7, can find out: this chamber, air channel wall 4 forms a breach 41, this breach 41 is arranged on the position of the relative side of air outlet 5, by arranging breach 41 on the wall of chamber, air channel, make cavity outside centrifugal blower 1, have greatly-little-large change, impel blade vortex to be transferred in the cavity of soundproof effect better described air channel to produce, reduce fan noise object to reach.And additionally can also form multiple such breach 41 on chamber, air channel wall 4, and be not limited only to one.
Composition graphs 7, Fig. 8, can find out in figure: chamber, air channel wall 4 is not exclusively closed, and be connected to an air outlet 5, air outlet two side walls is respectively whirlpool tongue 6 and backboard portion 7, distinguished and admirable go out direction on, backboard portion 7 outwards tiltedly opens, its concrete mode is: the starting point composition perspective plane in backboard portion, the axle center of centrifugal fan 1, on distinguished and admirable outgoing direction, the projection of backboard portion 7 on this perspective plane gradually away from figure in the axle center of centrifugal fan 1; This lower cover 3 along distinguished and admirable to gradually away from centrifugal fan 1 lower surface in air outlet 5 position, form a downhill sections 3A(Fig. 7 and also can find out); And this upper cover plate 2 of correspondence at air outlet position along distinguished and admirable to gradually near centrifugal fan 1 lower surface, form a downhill sections 2A; The wind that centrifugal fan 1 is sent, through air outlet 5 rectification, can reach low noise and the effect of evenly air-out.
Composition graphs 9, Figure 10, Figure 10 is the cross section view of embodiment 2 top view Fig. 9 along A-A line.Can find out in figure, upper surface 2 be vertically installed with the closed wall 21 of annular, lower surface 3 also vertically be arranged the closed wall 31 of annular, blocked high-speed gas in the cavity body structure of air channel and be back to the passage in the axle center of centrifugal fan 1, reach and reduce blower fan loss effect.
Although specifically show in conjunction with preferred embodiment and describe the utility model; but those skilled in the art should be understood that; not departing from the spirit and scope of the present utility model that appended claims limits; can make a variety of changes the utility model in the form and details, be protection domain of the present utility model.
Claims (6)
1. air cleaner, mainly comprise a housing and be arranged on electric-control system in housing and filtration system and fan system, fan system is the fan system adopting centrifugal fan mode, include an air channel cavity body structure and be arranged on a centrifugal fan in this air channel cavity body structure, centrifugal fan is by centrifugal fan axle, perpendicular to the upper surface of described centrifugal fan axle and lower surface, and blade composition; Described blade axle centered by centrifugal fan axle is uniformly distributed and is arranged between described upper surface and lower surface, it is characterized in that:
With described upper surface or lower surface for perspective plane, described blade is projected as blade camber line on described perspective plane, and described centrifugal fan axle is projected as the center of circle on described perspective plane, and adjacent described blade meets following setting:
Along centrifugal fan rotation direction, adjacent described blade camber line is respectively blade camber line A and blade camber line B, described blade camber line A away from the described center of circle end points connect described in the center of circle obtain connecting line L, described blade camber line B and described connecting line L is non-intersect or tangent, and point on described blade camber line B is less than or equal to 5 millimeters to the beeline of described connecting line.
2. air cleaner according to claim 1, it is characterized in that: described air channel cavity body structure comprises upper cover plate and lower cover and is looped around chamber, the air channel wall of centrifugal fan periphery, and described chamber, air channel wall is vertically installed between described upper cover plate and lower cover.
3. air cleaner according to claim 2, it is characterized in that: chamber, described air channel wall is not exclusively closed, and be connected to an air outlet, the air outlet wall of described air outlet both sides is stretched out by described chamber, air channel wall to be formed respectively, air outlet wall wherein described in side is whirlpool tongue, opposite side is backboard portion, described backboard portion adopts outside inclined open type, described lower cover forms a downhill sections in the position of air outlet, and corresponding described upper cover plate also forms a downhill sections in the position of air outlet.
4. air cleaner according to claim 3, is characterized in that: described chamber, air channel wall also forms at least one breach.
5. air cleaner according to claim 4, is characterized in that: described breach is arranged on the position of side relative to described air outlet.
6. air cleaner according to claim 2, is characterized in that: form a vertically disposed annular at described upper cover plate and lower cover or one of them and close wall, described annular closed-wall face corresponds to the outer border of described centrifugal fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520650332.4U CN205065955U (en) | 2015-07-24 | 2015-08-26 | Air purifier |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2015205447172 | 2015-07-24 | ||
| CN201520544717 | 2015-07-24 | ||
| CN201520650332.4U CN205065955U (en) | 2015-07-24 | 2015-08-26 | Air purifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205065955U true CN205065955U (en) | 2016-03-02 |
Family
ID=55392505
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520649915.5U Active CN205102279U (en) | 2015-07-24 | 2015-08-26 | Air purifier |
| CN201520650332.4U Active CN205065955U (en) | 2015-07-24 | 2015-08-26 | Air purifier |
| CN201520650433.1U Active CN205065956U (en) | 2015-07-24 | 2015-08-26 | Air purifier |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520649915.5U Active CN205102279U (en) | 2015-07-24 | 2015-08-26 | Air purifier |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520650433.1U Active CN205065956U (en) | 2015-07-24 | 2015-08-26 | Air purifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (3) | CN205102279U (en) |
-
2015
- 2015-08-26 CN CN201520649915.5U patent/CN205102279U/en active Active
- 2015-08-26 CN CN201520650332.4U patent/CN205065955U/en active Active
- 2015-08-26 CN CN201520650433.1U patent/CN205065956U/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN205102279U (en) | 2016-03-23 |
| CN205065956U (en) | 2016-03-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205119388U (en) | Air purifier | |
| KR20060134620A (en) | Air cleaner | |
| CN204923255U (en) | Air purifier | |
| CN205065955U (en) | Air purifier | |
| CN202192967U (en) | Air channel structure of compact type air purifier | |
| TW201915404A (en) | Air purifying device for saving the space originally occupied by the filter unit in the axial direction of the fan blade so as to reduce the thickness of the filter unit thereby contributing to thinning | |
| CN204911035U (en) | Air purifier | |
| KR101348035B1 (en) | Centrifugal fan, molding die, and fluid feeder | |
| CN202192970U (en) | Air flue structure of ultrathin air cleaner | |
| CN204943692U (en) | A kind of air purification humidifier | |
| CN204176789U (en) | A kind of air cleaner | |
| JP2007021352A (en) | Air cleaner | |
| KR102235968B1 (en) | Low Noise Blower for Indoor and Outdoor Ventilation Systems | |
| CN204923232U (en) | Air purifier | |
| CN102865248A (en) | Air conditioner volute and air conditioner provided with same | |
| CN103836729A (en) | Vehicle-mounted air purifier | |
| CN114017372A (en) | Fan with cooling device | |
| CN207963072U (en) | The mute air duct of low-resistance | |
| CN206300279U (en) | Air cleaner | |
| CN204460612U (en) | Air purifier air duct assembly | |
| JPH0315104B2 (en) | ||
| CN202117998U (en) | Volute of air conditioner and air conditioner with the same | |
| CN205216423U (en) | Two air inlet air purifier | |
| CN110566513A (en) | Air ducting and air purifier | |
| KR102532717B1 (en) | Filter structure for air cleaner |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180502 Address after: 361000 unit 301, No. 26, Xiang Hong Road, torch high tech Zone (Xiangan) Industrial Zone, Xiamen, Fujian Patentee after: Xiamen Wei Ke Health Industry Co., Ltd. Address before: 361000 Xiamen, Fujian Torch High-tech Zone (Xiangan) Industrial Zone, Xiang Hong Road 16, 102, 202 units Patentee before: XIAMEN WEIKE HEALTH TECHNOLOGY CO., LTD. |