CN207975753U - A kind of air purifier - Google Patents
A kind of air purifier Download PDFInfo
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- CN207975753U CN207975753U CN201721613211.8U CN201721613211U CN207975753U CN 207975753 U CN207975753 U CN 207975753U CN 201721613211 U CN201721613211 U CN 201721613211U CN 207975753 U CN207975753 U CN 207975753U
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- air
- flow fan
- filter core
- cross flow
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Abstract
The utility model discloses a kind of air purifier, including shell, and the shell has air inlet and air outlet；Further include cross flow fan and low-resistance filter core, the cross flow fan is with the low-resistance filter core, and one is installed on the air inlet, and another one is installed on the air outlet.The there is provided air purifier of the utility model, cross flow fan and low-resistance filter core are used cooperatively, it can solve the contradiction of conventional air cleaners " Wind Volume " and " low noise ", the there is provided air purifier of the utility model is allow to have both the technical advantage of Wind Volume and low noise, meanwhile the wind path of cross flow fan is longer, and air to be clean as much as possible may make to be covered in the surface of ESP filter cores, the utilization ratio of ESP filter cores is higher, and filter efficiency can be improved.
Description
Technical field
The utility model is related to technical field of air purification more particularly to a kind of air purifiers.
Background technology
Existing air purifier mostly uses greatly HEPA (High Efficiency Particle Air, i.e. highly effective air
Filter) filter element filtering air, the removal efficiency of the particulate matter of 0.3 micron of this filter core pair or more can reach 99.7% or more,
The maximally efficient filtering medium of the pollutants such as smog, dust and bacterium, work principle of filter mainly by screening, bridge plug,
The modes such as impact adherency, the absorption of electrostatic electret fiber electric field block particulate matter, have the characteristics that simple in structure, efficient.
But the windage of HEPA filter cores is larger, needs more powerful wind turbine by preset air quantity, energy consumption is higher, and
Larger noise is easy tod produce, currently, mainly using axial fan or the matched use of centrifugal fan.
There is also a kind of method of electrostatic precipitation, used ESP (Electrostatic in the prior art
Precipitator, i.e. electrostatic precipitator) filter core, the filter core windage is smaller, and energy consumption and noise can be greatly reduced.But
Coordinate axial fan or centrifugal fan in use, the wind path due to both wind turbines is more concentrated so that air to be clean
It is difficult to cover the surface of entire ESP filter cores, the utilization ratio of filter core is relatively low, can reduce filter efficiency instead.
Therefore, how a kind of small running resistance, low noise and the high air purifier of filter efficiency are provided, is still ability
Field technique personnel technical problem urgently to be resolved hurrily.
Utility model content
The purpose of this utility model is to provide a kind of air purifier, the running resistance of the air purifier is small, low noise,
And filter efficiency is high.
In order to solve the above technical problems, the utility model provides a kind of air purifier, including shell, the shell have
Air inlet and air outlet；Further include cross flow fan and low-resistance filter core, the cross flow fan with the low-resistance filter core, install by one
In the air inlet, another one is installed on the air outlet.
The low windage of above-mentioned low-resistance filter core be for the high windage of traditional HEPA filter cores, since windage is smaller,
Prodigious negative pressure is not needed, possibility is provided for the use of cross flow fan；And compared to traditional centrifugal fan or axial-flow type
The air quantity of wind turbine, cross flow fan is larger, and noise is relatively low, can solve the lance of conventional air cleaners " Wind Volume " and " low noise "
Shield, so that the provided air purifier of the utility model can have both the technical advantage of Wind Volume and low noise, meanwhile, it passes through
The wind path of flow fan is longer, and air to be clean as much as possible may make to be covered in the surface of ESP filter cores, the utilization of ESP filter cores
Efficiency is higher, and filter efficiency can be improved.
Optionally, the low-resistance filter core is installed on the air inlet, and the cross flow fan is installed on the air outlet.
Optionally, the shell is in triangular prism-shaped, and the one side of the triangular prism-shaped forms the air inlet, with the side phase
To rib be equipped with the air outlet.
Optionally, the axial direction of the cross flow fan is parallel with the axial direction of the shell.
Optionally, pass through round-corner transition between each side of the triangular prism-shaped.
Optionally, on cross section, the air outlet is size gradually increased flaring, and the two of the flaring from inside to outside
Side wall is smooth curve.
Optionally, the air outlet is equipped with wind scooper.
Optionally, the low-resistance filter core is ESP filter cores.
Optionally, the top surface of the shell is equipped with touch control screen.
Optionally, the touch control screen being capable of automatic regulating lightness.
Description of the drawings
Fig. 1 is provided a kind of structural schematic diagram of specific implementation mode of air purifier by the utility model；
Fig. 2 is the view in transverse section of air purifier in Fig. 1；
Fig. 3 is the flowing gas state figure in lateral cross section in Fig. 2；
Fig. 4 is the flowing gas state figure not being arranged when the cross flow fan in air duct being pressed to be used cooperatively with low-resistance filter core；
Fig. 5 is the flowing gas state figure when cross flow fan equipped with pressure air duct is used cooperatively with low-resistance filter core.
The reference numerals are as follows in Fig. 1-5：
Air duct, 41 are pressed in 1 shell, 11 air inlets, 12 air outlets, 2 cross flow fans, 21 eccentric eddies, 3 low-resistance filter cores, 4
One side wall, 411 vortex tongues, 42 second sidewalls, 421 limit wind positions, 5 wind scoopers.
Specific implementation mode
In order to make those skilled in the art more fully understand the technical solution of the utility model, below in conjunction with the accompanying drawings and have
The utility model is described in further detail for body embodiment.
The words such as " first " described herein, " second ", be merely for convenience of description scheme same or like two with
On structure or component, be not offered as certain particular determination to sequence.
The structure for please referring to Fig.1 a kind of specific implementation mode that -5, Fig. 1 is provided air purifier by the utility model is shown
It is intended to, Fig. 2 is the view in transverse section of air purifier in Fig. 1, and Fig. 3 is the flowing gas state figure in lateral cross section in Fig. 2, figure
4 be the flowing gas state figure not being arranged when cross flow fan and the low-resistance filter core in pressure air duct is used cooperatively, and Fig. 5 is equipped with pressing
Flowing gas state figure when the cross flow fan in air duct is used cooperatively with low-resistance filter core.
As shown in Figs. 1-3, the utility model provides a kind of air purifier, including shell 1, and shell 1 has air inlet 11
With air outlet 12；Further include cross flow fan 2 and low-resistance filter core 3, low-resistance filter core 3 is installed on air inlet 11, and cross flow fan 2 is installed on
Air outlet 12.
The low windage of above-mentioned low-resistance filter core 3 is to be specifically as follows ESP for the high windage of traditional HEPA filter cores
The smaller filter core of the windages such as filter core does not need prodigious negative pressure since windage is smaller, and for the use of cross flow fan 2, provide can
Energy；And compared to traditional centrifugal fan or axial fan, the air quantity of cross flow fan 2 is larger, and noise is relatively low, can solve to pass
The contradiction of system air purifier " Wind Volume " and " low noise ", so that the provided air purifier of the utility model can be simultaneous
Have the technical advantage of Wind Volume and low noise, meanwhile, the wind path of cross flow fan 2 is longer, may make sky to be clean as much as possible
Gas is covered in the surface of ESP filter cores, and the utilization ratio of ESP filter cores is higher, and filter efficiency can be improved.
In addition, it is set at air outlet 12, can further send out also with the remote advantage of air supplying distance by cross flow fan 2
The advantage has been waved, has been conducive to form systemic circulation in confined space, to accelerate the speed of air purification, within the extremely short time i.e.
It can complete the air purification in confined space so that user can obtain better usage experience.Certainly, cross flow fan 2 is set to
When air inlet 11, low-resistance filter core 3 are set to air outlet 12, can also have above-mentioned technique effect.
Pressure air duct 4 is also provided between cross flow fan 2 and low-resistance filter core 3, to be uniformly distributed 3 inner surface of low-resistance filter core
Negative pressure, it should be understood that above-mentioned " being uniformly distributed " refers to being substantially evenly distributed, not uniform in absolute sense.In this way, by
The introduced air to be clean of cross flow fan 2 can cover entire low-resistance filter core 3, and flow through the speed of 3 each position of low-resistance filter core
It can be roughly the same so that the utilization ratio of filter core is greatly improved, to which filter efficiency be significantly increased.
As shown in Figure 2 and Figure 3, along gas flow direction, the cross section of equal pressure passageway 4 can be in the diminishing cone of size
Shape.It is arranged such, on the one hand, may make equal pressure passageway 4 that there is larger size close to the position of low-resistance filter core 3, to obtain
The incoming air area of bigger improves intake；On the other hand, the whole pyramidal structure setting in pressure air duct 4, also may make gas
Acceleration direction is more concentrated, and the disorderly possibility of flow direction occurs in gas accelerator to reduce, and air outlet 12 is had
The air output of bigger and go out wind velocity.
Herein, the description as described in the orientation or positional relationships such as "inner", "outside" is based on orientation or position in Fig. 2/Fig. 3
Relationship, in fig. 2 using the center of cross flow fan 2 as reference, the direction close to the center is "inner", far from the center
The orientation of position is "outside".
On the cross section of equal pressure passageway 4, be reflected in attached drawing 1, i.e., on horizontal cross-section, in the two side of taper, the first side
Wall 41 can be corresponding with the position of eccentric eddy 21 in the fan blade of cross flow fan 2 close to one end of air inlet 11, and dashes forward inwardly
Go out to be formed vortex tongue 411.It is to be understood that for cross flow fan 2, the position of eccentric eddy 21 is to determine in fan blade, therefore
And what the position of above-mentioned vortex tongue 411 namely determined, and vortex tongue 411 needs substantially to be bonded with the outer wall of cross flow fan 2, with
Ensure the gas in air duct 4 to be pressed substantially all by cross flow fan 2 can be accelerated, in other words, endpoint in vortex tongue 411
Position it was determined that namely the first side wall 41 close to the endpoint location of air outlet 12 it was determined that hereinafter referred to as first goes out
Wind endpoint.
Second sidewall 42 can protrude formation limit wind position 421, the inner end of limit wind position 421 inwardly close to one end of air inlet 11
The line in the axle center of point and cross flow fan 2, the angle with the line of the interior endpoint and axle center of vortex tongue 411 can be 110-130 degree,
To adapt to the negative pressure distribution character of cross flow fan 2, since the position of endpoint in vortex tongue 411 is it has been determined that and limit wind position 421 equally
It needs the outer wall with cross flow fan 2 to fit, is that can determine the position of endpoint in limit wind position 421 further according to above-mentioned angle value,
It is exactly endpoint of the second sidewall 42 close to air outlet 12, hereinafter referred to as the second outlet air endpoint.
On this basis, it can further determine the first side wall 41 close to one end of air inlet 11 (hereinafter referred to as first
Enter the wind endpoint) and second sidewall 42 close to one end (hereinafter referred to as second air inlet endpoint) of air inlet 11, the two position
Depending on determination can be according to the size of pressure 4 air intake of air duct, after the size of air intake determines, the first side wall 41 and filter core 3
Abutting at be the first air inlet endpoint position, be the position of the second air inlet endpoint at the abutting of second sidewall 42 and filter core 3
It sets.
Along gas flow direction, the first side wall 41, second sidewall 42 all can be smooth curve, press air duct 4 to reduce
Internal unnecessary vortex and windage.It is arranged such, on the one hand, the ventilation resistance pressed in air duct 4 can be reduced, reduced not
On the other hand necessary energy loss also helps reduction noise.
Specifically, the first side wall 41 can be the smooth curve of evagination, second sidewall 42 can be that radius of curvature is gradual
The smooth curve of reduction can be reduced further with being adapted to the flow tendency of gas in its natural state in gas and air duct
Windage between wall, to reduce resistance, the noise pressed in air duct 4 to a greater degree.
Above-mentioned second sidewall 42 can meet that G3 is continuous, farthest to improve the smooth degree on its surface, reduce logical
Wind resistance and wind are made an uproar, the minimum profile curvature radius of second sidewall 42, i.e. radius of curvature at the second outlet air endpoint can be 8.8-
10mm, preferably 8.9mm, the maximum curvature radius of second sidewall 42, i.e., the second radius of curvature for entering the wind at endpoint can be 62-
64mm, preferably 63mm.Then, according to the position of aforementioned fixed second air inlet endpoint, the second outlet air endpoint, and two are combined
The continuous characteristic of radius of curvature and G3 at endpoint, you can determine the shape of second sidewall 42.
It, can be according to fixed first air inlet endpoint, the first outlet air endpoint and first after determining second sidewall 42
The angle value of the tangent line of each point and the tangent line of each point in second sidewall 42 determines the shape of the first side wall 41, the angle on side wall 41
Value is specifically as follows 7-95 degree, and in the angular range, arbitrary outer protruding slick curve can be used as the first side wall 41.
It is described mainly for the first side wall 41 in pressure air duct 4, the concrete shape of second sidewall 42, below will above
In conjunction with Fig. 4, Fig. 5, the negative pressure distribution situation of 3 inner surface of filter core and the gas in air duct before and after pressure air duct 4 above-mentioned to setting
Flow regime is analyzed.
As shown in figure 4, traditional cross flow fan 2, the side wall (left side wall in Fig. 4) that vortex tongue is equipped in air duct has and hangs down
Straight bent angle, when in use, the negative pressure close to left side wall is larger, and gas is mainly from the filter core of left end into inlet air in the air duct of this form
Inside road, and the utilization ratio of right end filter core is not high, after a period of time that works, is susceptible to left end filter core and has blocked sternly
Weight, the substantially intact situation of right end filter core, seriously affect the whole service life of filter core；In addition, in the vertical corner
It is also easy to form vortex, causes the running resistance inside air duct larger, will produce larger noise, user experience is poor.
Again as shown in figure 5, after the pressure air duct 4 provided using the utility model embodiment, table in low-resistance filter core 3
The negative pressure in face can be essentially identical, and gas can substantially evenly be flowed through from low-resistance filter core 3, and the utilization ratio of filter core 3 is higher；And by
In inner wall smooth, additionally it is possible to reduce the running resistance inside air duct, reduce noise.
Based on air purifier involved in the respective embodiments described above, the utility model embodiment can also be to the air
The shape and structure of the shell 1 of clarifier are further improved.
Still using Fig. 1 as visual angle, above-mentioned shell 1 can be in triangular prism-shaped, alternatively, also referred to as triangle tower, with standard
Triangular prism distinguish, between each face can by round-corner transition, can avoid user and use environment are caused when in use
It collides with, and its each face is also provided with certain radian, to improve its aesthetics.
It one side of the triangular prism can be with all air inlets 11, to ensure that there is sufficiently large incoming air area, with this
The opposite rib in side can be equipped with air outlet 12, which can also be located on whole rib so that air-out area maximizes；
The axial direction of cross flow fan 2 can be parallel with the axial direction of shell 1, i.e., parallel with the rib equipped with air outlet 12, with it is above-mentioned go out
Air port 12 matches.
On cross section, which can be size gradually increased flaring, and the both sides of the flaring from inside to outside
Wall all can be smooth curve, to improve ventilation quantity, and low wind noise further drops；Wind scooper 5 can also be arranged in air outlet 12,
The flow direction of fresh air after being filtered with guiding.
The shell 1 of above-mentioned triangular prism-shaped designs, and can match with the pressure air duct 4 of taper, to be reduced as far as shell
The materials being fabricated of body 1；Meanwhile also advantageously improving the integral strength of shell 1.Certainly, the shell 1 or six conventional faces
Body, cylindrical structure, regardless of using which kind of structure, as long as its internal air duct uses above-mentioned pressure air duct 4.
The top surface of shell 1 can be equipped with touch control screen (not shown), can be to this practicality by the touch control screen
Novel provided air purifier is manipulated, and the touch control screen can also automatic regulating lightness, with ambient enviroment
Brightness is adapted, and can greatly improve the usage experience of user；The bottom surface of shell 1 is also provided with pulley, by pushing shell 1 to be
It can easily air purifier provided to the utility model shift.
Above are merely preferred embodiments of the utility model, it is noted that for the ordinary skill people of the art
For member, without departing from the principle of this utility model, several improvements and modifications can also be made, these improvements and modifications
Also it should be regarded as the scope of protection of the utility model.
Claims (10)
1. a kind of air purifier, including shell (1), the shell (1) has air inlet (11) and air outlet (12), feature
It is, further includes cross flow fan (2) and low-resistance filter core (3), the cross flow fan (2) with the low-resistance filter core (3), pacify by one
Loaded on the air inlet (11), another one is installed on the air outlet (12).
2. air purifier according to claim 1, which is characterized in that the low-resistance filter core (3) is installed on the air inlet
(11), the cross flow fan (2) is installed on the air outlet (12).
3. air purifier according to claim 2, which is characterized in that the shell (1) is in triangular prism-shaped, the triangular prism-shaped
One side form the air inlet (11), the rib opposite with the side is equipped with the air outlet (12).
4. air purifier according to claim 3, which is characterized in that the axial direction of the cross flow fan (2) and the shell
(1) axial direction is parallel.
5. air purifier according to claim 3, which is characterized in that pass through fillet between each side of the triangular prism-shaped
Transition.
6. according to any one of the claim 1-5 air purifiers, which is characterized in that on cross section, the air outlet
(12) it is size gradually increased flaring from inside to outside, and the two side of the flaring is smooth curve.
7. air purifier according to claim 6, which is characterized in that the air outlet (12) is equipped with wind scooper (5).
8. air purifier according to claim 6, which is characterized in that the low-resistance filter core (3) is ESP filter cores.
9. air purifier according to claim 6, which is characterized in that the top surface of the shell (1) is equipped with touch control screen.
10. air purifier according to claim 9, which is characterized in that the touch control screen being capable of automatic regulating lightness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721613211.8U CN207975753U (en) | 2017-11-27 | 2017-11-27 | A kind of air purifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721613211.8U CN207975753U (en) | 2017-11-27 | 2017-11-27 | A kind of air purifier |
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| Publication Number | Publication Date |
|---|---|
| CN207975753U true CN207975753U (en) | 2018-10-16 |
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ID=63771276
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721613211.8U Active CN207975753U (en) | 2017-11-27 | 2017-11-27 | A kind of air purifier |
Country Status (1)
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| CN (1) | CN207975753U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109323336A (en) * | 2018-11-02 | 2019-02-12 | 青岛海尔空调器有限总公司 | A kind of indoor unit and air conditioner of air conditioner |
| CN114838439A (en) * | 2022-05-30 | 2022-08-02 | 科瑞特空调集团有限公司 | Take purification unit device of self-selection function |
-
2017
- 2017-11-27 CN CN201721613211.8U patent/CN207975753U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109323336A (en) * | 2018-11-02 | 2019-02-12 | 青岛海尔空调器有限总公司 | A kind of indoor unit and air conditioner of air conditioner |
| CN114838439A (en) * | 2022-05-30 | 2022-08-02 | 科瑞特空调集团有限公司 | Take purification unit device of self-selection function |
| CN114838439B (en) * | 2022-05-30 | 2023-09-05 | 科瑞特空调集团有限公司 | Purifying unit device with self-selecting function |
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