CN110145849A - Ducting assembly and air purifier - Google Patents
Ducting assembly and air purifier Download PDFInfo
- Publication number
- CN110145849A CN110145849A CN201910507224.4A CN201910507224A CN110145849A CN 110145849 A CN110145849 A CN 110145849A CN 201910507224 A CN201910507224 A CN 201910507224A CN 110145849 A CN110145849 A CN 110145849A
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- Prior art keywords
- air
- wind
- guiding
- guide part
- air duct
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/02—Ducting arrangements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/24—Means for preventing or suppressing noise
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/28—Arrangement or mounting of filters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a kind of ducting assembly and air purifier, which includes: the first air guide member, and first air guide member includes the first wind-guiding air duct；And second air guide member, second air guide member includes the second wind-guiding air duct, the air outlet in second wind-guiding air duct is connected to the air inlet in first wind-guiding air duct, and the area of the cross section in second wind-guiding air duct is gradually decreased along the direction of air outlet in air inlet to second wind-guiding air duct in second wind-guiding air duct.The air intake of impeller can be collected air-flow by the ducting assembly and air purifier, and reduce the flow losses of air-flow, improve air quantity.
Description
Technical field
The present invention relates to air cleaning facility technical fields, more particularly to a kind of ducting assembly and air purifier.
Background technique
With the rapid development of economy, haze pollution is also increasingly severe simultaneously, air treating problem is difficult to solve for the moment,
In addition with the improvement of living standards, people are also higher and higher to the degree of concern of health, therefore consumer is to air purifier
Demand gradually switch to rigid demand.
When in use, the air-flow at impeller is discontinuous for traditional air purifier, and the air quantity of air purifier discharge is low, shadow
It rings and uses.
Summary of the invention
Based on this, when in use for traditional air purifier, it is easy to produce buzz and howling, level of noise compares
Height influences the problem of user uses, and proposes a kind of ducting assembly and air purifier, the ducting assembly and air purifier can
The air intake of impeller is collected into air-flow, and reduces the flow losses of air-flow, improves air quantity.
Specific technical solution is as follows:
On the one hand, this application involves a kind of ducting assemblies, comprising: the first air guide member, first air guide member include first
Wind-guiding air duct；And second air guide member, second air guide member include the second wind-guiding air duct, the air outlet in second wind-guiding air duct
It is connected to the air inlet in first wind-guiding air duct, the area of the cross section in second wind-guiding air duct is along the second wind-guiding wind
The direction of air outlet in the air inlet in road to second wind-guiding air duct gradually decreases.
When in use, air-flow flows to first wind-guiding air duct along the second wind-guiding air duct to above-mentioned ducting assembly, due to second
The area of the cross section in wind-guiding air duct along second wind-guiding air duct air inlet to second wind-guiding air duct air outlet
Direction gradually decreases, and in turn, when wind is in the second wind-guiding duct flows, air-flow can uniformly accelerate, while can be by air flow collection
It is oriented to after middle collection in the first wind-guiding air duct, promotes air intake efficiency, and the flow losses of air-flow are lower, and then improve air quantity.
Technical solution is illustrated further below:
The inner wall in first wind-guiding air duct is equipped with the diameter towards first wind-guiding air duct in one of the embodiments,
To the relief portion of projection.
On the other hand, the application further relates to a kind of air purifier, including the air duct in any of the above-described embodiment
Component.
When in use, air-flow flows to first wind-guiding air duct along the second wind-guiding air duct to above-mentioned air purifier, due to
The area of the cross section in two wind-guiding air ducts along second wind-guiding air duct air inlet to second wind-guiding air duct air outlet
Direction gradually decrease, in turn, when wind is in the second wind-guiding duct flows, air-flow can uniformly accelerate, while can be by air-flow
It is oriented to after centralized collection in the first wind-guiding air duct, promotes air intake efficiency, and the flow losses of air-flow are lower, and then improve wind
Amount.
Technical solution is illustrated further below:
The air purifier further includes impeller in one of the embodiments, and the impeller is set to first wind-guiding
In air duct.
The impeller includes the first guide part in one of the embodiments, and first guide part includes third wind-guiding
The air inlet in air duct, third wind-guiding air duct is connected to the air outlet in second wind-guiding air duct, third wind-guiding air duct
Inner wall be equipped with guide frame, the guide frame connect for air inlet by air-flow along third wind-guiding air duct lead to it is described
The air outlet in third wind-guiding air duct.
In one of the embodiments, first guide part include the first air intake and the first outlet air end, described first
Air intake and the first outlet air end are connected to form third wind-guiding air duct.
The radial direction side of the end tangent line of first outlet air end and third wind-guiding air duct in one of the embodiments,
Angle between is a, wherein 90 °≤a≤120 °.
The impeller includes the second guide part in one of the embodiments, and second guide part is led with described first
Be arranged to part interval, second guide part be set to first guide part and first wind-guiding air duct air outlet it
Between, the area of the cross section of second guide part along first wind-guiding air duct air inlet to first wind-guiding air duct
The direction of air outlet gradually increases.
The impeller further includes blade in one of the embodiments, and one end of the blade is fixedly arranged on the third and leads
The inner wall in wind air duct, the other end of the blade are connect with one end of second guide part.
The other end of the second guide part is the second outlet air end, the cross of first outlet air end in one of the embodiments,
Sectional area is greater than the cross-sectional area of second outlet air end.
The guide frame includes the first guide part and outward recessed the of inside projection in one of the embodiments,
Two guide parts, first guide part are connected with second guide part, first guide part close to first air intake,
Second guide part is close to first outlet air end.
The air purifier further includes flow-guiding structure in one of the embodiments, and the flow-guiding structure is set to described
In first wind-guiding air duct, the flow-guiding structure and the wheel space are arranged, and the flow-guiding structure is set to described first and leads
Between the air outlet in wind air duct and the impeller, guided for the air outlet by air-flow towards first wind-guiding air duct.
The flow-guiding structure includes third guide part in one of the embodiments, and the third guide part includes third
Guide part, the area of the cross section of the third guide part along first wind-guiding air duct air inlet to the first wind-guiding wind
The direction of the air outlet in road gradually decreases.
The flow-guiding structure includes the 4th guide part in one of the embodiments, and the 4th guide part is fixedly arranged on institute
The outer wall of third guide part is stated, the 4th guide part includes water conservancy diversion inclined-plane, and the water conservancy diversion inclined-plane is towards the first wind-guiding wind
The air outlet in road is arranged, for the direction guiding by air-flow along the air outlet in first wind-guiding air duct.
The water conservancy diversion inclined-plane is the arcwall face to set to the concave in one of the embodiments,.
The 4th guide part includes the second air intake and third outlet air end, the water conservancy diversion in one of the embodiments,
Inclined-plane is set between second air intake and the third outlet air end, the thickness of the 4th guide part along described second into
The direction of wind end to the third outlet air end gradually decreases.
The radial direction of the tangent line of the end of the third outlet air end and first wind-guiding air duct in one of the embodiments,
Angle between direction is β, wherein 85 °≤β≤110 °.
The radial direction of the tangent line of the end of second air intake and first wind-guiding air duct in one of the embodiments,
Angle between direction is γ, wherein 25 °≤γ≤45 °.
The spacing of the impeller and the flow-guiding structure is H in one of the embodiments, wherein 5mm≤H≤15mm.
The spacing between the impeller and the inner wall in first wind-guiding air duct is L in one of the embodiments,
In, 4mm≤L≤7mm.
The air purifier further includes air outlet grate in one of the embodiments, and the air outlet grate is set to described
The air outlet in the first wind-guiding air duct.
The air purifier further includes filtration members in one of the embodiments, and the filtration members are set to described second
The air inlet in wind-guiding air duct.
Detailed description of the invention
Fig. 1 is the schematic diagram of internal structure of air purifier；
Fig. 2 is the structural schematic diagram of impeller；
Fig. 3 is the assembling schematic diagram of air outlet grate and flow-guiding structure；
Fig. 4 is the structural schematic diagram of the 4th guide part；
Fig. 5 is the partial enlargement diagram of A in Fig. 1；
Fig. 6 is the structural schematic diagram of the impeller in another embodiment；
Fig. 7 is the cross-sectional view of impeller in Fig. 6；
Fig. 8 is the top view of impeller in Fig. 6.
Description of symbols:
10, air purifier, the 100, first air guide member, the 110, first wind-guiding air duct, 120, relief portion, the 200, second wind-guiding
Part, the 210, second wind-guiding air duct, 300, impeller, 310, blade, 312, denoising structure, the 320, first guide part, 322, first leads
To portion, the 324, second guide part, the 326, first outlet air end, the 327, first air intake, 328, third wind-guiding air duct, 330, second is led
To part, the 332, second outlet air end, 400, flow-guiding structure, 410, third guide part, 412, third guide part, the 420, the 4th guiding
Part, 422, water conservancy diversion inclined-plane, the 424, second air intake, 426, third outlet air end, 500, air outlet grate, 510, diffusion part, 600, mistake
Filter part, 700, installation axle sleeve, 710, shock absorber part, 800, reinforcing rib.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention more comprehensible, below in conjunction with attached drawing and specific embodiment party
Formula, the present invention is further described in detail.It should be understood that the specific embodiments described herein are only to solve
The present invention is released, and the scope of protection of the present invention is not limited.
It should be noted that it can directly on the other element when element is referred to as " being set to " another element
Or there may also be elements placed in the middle.When element is referred to as " being fixedly arranged on " another element, it can be directly in another yuan
On part or there may also be elements placed in the middle.When an element is considered as " connection " another element, it be can be directly
It is connected to another element or may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ",
"left", "right" and similar statement for illustrative purposes only, are not meant to be the only embodiment.
It is important to point out that when element is referred to as " being fixedly arranged on " another element, two elements can be it is integrated,
It can be and be detachably connected between two elements.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
Body embodiment purpose, it is not intended that in limitation the present invention.Term " and or " used herein includes one or more
Any and all combinations of relevant listed item.
In addition it is also necessary to understand, in the present embodiment, term "lower", "upper", "front", "rear", "left", "right",
"inner", "outside", "top", "bottom", " side ", " other side ", " one end ", " other end ", etc. indicated by positional relationship be based on
Positional relationship shown in the drawings；The terms such as " first ", " second " are to distinguish different structure members.These terms are only
Convenient for the description present invention and simplify description, is not considered as limiting the invention.
As shown in Figure 1, one of embodiment ducting assembly, comprising: the first air guide member 100, the first air guide member 100 packet
Include the first wind-guiding air duct 110；And second air guide member 200, the second air guide member 200 include the second wind-guiding air duct 210, the second wind-guiding wind
The air outlet in road 210 is connected to the air inlet in the first wind-guiding air duct 110, and the area of the cross section in the second wind-guiding air duct 210 is along
The direction of air outlet in the air inlet in two wind-guiding air ducts 210 to the second wind-guiding air duct 210 gradually decreases.
When in use, air-flow flows to the first wind-guiding air duct 110 along the second wind-guiding air duct 210 to above-mentioned ducting assembly, due to
The area of the cross section in two wind-guiding air ducts 210 along the second wind-guiding air duct 210 air inlet to the second wind-guiding air duct 210 air outlet
Direction gradually decrease, in turn, when wind is when the second wind-guiding air duct 210 is flowed, air-flow can uniformly accelerate, while can be by gas
It is oriented in the first wind-guiding air duct 110 after stream centralized collection, promotes air intake efficiency, and the flow losses of air-flow are lower, and then promoted
Air quantity.
As shown in Figure 1, on the basis of the above embodiments, the inner wall in the first wind-guiding air duct 110 is equipped with towards the first wind-guiding
The relief portion 120 of the radial projection in air duct 110.In this way, being convenient for the installation of other components by setting relief portion 120, simultaneously
Reduce the volume of the first air guide member 100.
One of one embodiment air purifier 10, including the ducting assembly in any of the above-described embodiment.
When in use, air-flow flows to the first wind-guiding air duct 110 along the second wind-guiding air duct 210 to above-mentioned air purifier 10, by
In the second wind-guiding air duct 210 cross section area along the second wind-guiding air duct 210 air inlet to the second wind-guiding air duct 210 go out
The direction in air port gradually decreases, and in turn, when wind is when the second wind-guiding air duct 210 is flowed, air-flow can uniformly accelerate, while can be with
It will be oriented to after air-flow centralized collection in the first wind-guiding air duct 110, promote air intake efficiency, and the flow losses of air-flow are lower, in turn
Improve air quantity.
As shown in Figure 1, on the basis of the above embodiments, which further includes impeller 300, impeller 300 is set
It is placed in the first wind-guiding air duct 110.In this way, flowing to the first wind-guiding wind along the second wind-guiding air duct 210 by 300 certain driving air-flow of impeller
Road 110.
As depicted in figs. 1 and 2, further, specific in this embodiment, impeller 300 includes blade 310 and the first guiding
Part 320, the first guide part 320 include third wind-guiding air duct 328, and one end of blade 310 is fixedly arranged on the interior of third wind-guiding air duct 328
Wall, the air inlet in third wind-guiding air duct 328 are connected to the air outlet in the second wind-guiding air duct 210, the inner wall in third wind-guiding air duct 328
Equipped with guide frame, guide frame connects for the air inlet by air-flow along third wind-guiding air duct 328 and leads to third wind-guiding air duct 328
Air outlet.In this way, under the driving of impeller 300, air-flow is along second when the first guide part 320 and impeller 300 are rotated synchronously
Wind-guiding air duct 210 flows to the first wind-guiding air duct 110, when air-flow passes through guide frame, towards the under the action of guide frame
The diameter in one wind-guiding air duct 110 flows out obliquely upward, keeps air-flow uniformly discrete, avoids generating vortex.
As shown in Figure 1, the first guide part 320 includes the first air intake 327 and the first outlet air specific in this embodiment
End 326, the first air intake 327 is connected to form third wind-guiding air duct 328 with the first outlet air end 326, the end of the first outlet air end 326
Angle between tangent line and the radial direction in third wind-guiding air duct 328 is a, wherein 90 °≤a≤120 °.When a in the range
When, impact of the air-flow to 110 inner wall of the first wind-guiding air duct can be effectively reduced, impact loss is reduced.Specifically, a can be
90 °, 95 °, 100 °, 105 °, 110 °, 115 ° or 120 °.Specifically, the first air intake 327 is connected to formation with the first outlet air end 326
Third wind-guiding air duct 328 refers to that the end of the first air intake 327 offers air inlet through-hole, and the end of the first outlet air end 327 is opened
Equipped with air outlet hole, by being connected to form third wind-guiding air duct 328 between air inlet through-hole and air outlet hole.
In this embodiment, guide frame includes the first guide part 322 of inside projection and recessed second leads outward
To portion 324, the first guide part 322 and the connection of the second guide part 324, the first guide part 322 is close to the first air intake 327, and second
Guide part 324 is close to the first outlet air end 326.In this way, the inside projection of the first air dam 322, and the first air dam 322 is close to first
Air intake 327, therefore, air-flow are not allowed to be also easy to produce vortex at the first air intake 327, it can thus be avoided airflow reflux or drop
Low-flow regurgitant volume, in this way, the air output of impeller 300 can be promoted；Second guide part 324 is recessed outward, and the second guide part
324 close to the first outlet air end 326, therefore, can increase air-out area, promote air output.It of courses, in other embodiments,
First guide part 322 can be by bulge-structure, and is fixedly arranged on the inner wall in third wind-guiding air duct 328, allows the flow to along first
The wall flow of guide part 322 avoids air-flow from vortex occur and causes to flow back, in this embodiment, the first guide part 322 and the
Two guide parts 324 in forming process respectively by inside projection and outside recessed formation, when air-flow is in third wind-guiding air duct 328
When flowing, the first guide part 322 and the second guide part 324 first carry out air-flow to gather collection, make air-flow along the first guide part
322 extending direction flowing, compared to traditional air-guiding aisle, air-flow is not likely to produce vortex, then passes through the second guide part 324
Flaring design, increases the flow of air-flow.
As depicted in figs. 1 and 2, further, in this embodiment, impeller 300 includes blade 310 and the second guide part
330, the second guide part 330 is set between blade 310 and the air outlet in the first wind-guiding air duct 110, the other end of blade 310 with
One end of second guide part 330 connects, the air inlet of the area of the cross section of the second guide part 330 along the first wind-guiding air duct 110
It is gradually increased to the direction of the air outlet in the first wind-guiding air duct 110.In this way, when the second guide part 330 and impeller 300 rotate synchronously
When, under the driving of impeller 300, air-flow flows to the first wind-guiding air duct 110 along the second wind-guiding air duct 210, when air-flow passes through second
When guide part 330, the direction of structure and the air-flow flowing of the second guide part 330 coincide substantially, and outlet air is smooth, and it is dry to reduce air-flow
It disturbs, reduces vortex intensity, while reducing rotational noise, reduce frictional resistance, improve outlet air efficiency.In this embodiment, the
Two guide parts 330 are in collar plate shape structure.
Specific in this embodiment, the other end of the second guide part 330 is the second outlet air end 332, the first outlet air end 326
Cross-sectional area be greater than the second outlet air end 332 cross-sectional area.In this way, between the second outlet air end 332 and the first wind-guiding air duct 110
Spacing it is larger, in turn, outlet air space of the air-flow between the second outlet air end 332 and the inner wall of the first exhaust air flue is larger, into
And air output is larger.As shown in fig. 7, the second guide part 330 includes the second recessed outward guide part in this embodiment
324, the second guide part 324 is close to the first outlet air end 326, and the first outlet air end 326 is towards the second outlet air end 332, at this time by second
The air flow rate that guide part 330 flows to the first guide part 320 increases, and promotes air quantity to a certain extent；And first guide part 320
Cross-sectional area is gradually increased along the direction of 327 to the first outlet air end 326 of the first air intake, in this way, the first guide part 320 itself
Structure also has the effect for increasing air quantity；Further, 330 coordinated of the first guide part 320 and the second guide part, the first guiding
The water conservancy diversion trend of part 320 and the second guide part 330 in structure keeps matching, and the second guide part 330 is at the first outlet air end 326
Recessed outward, the first guide part 320 is also the same recessed outward, in this way, passing through the first guide part 320 and the second guide part 330
Synergistic effect can play the role of promoting air quantity.
As shown in figures 1 and 3, based on any of the above embodiments, which further includes flow-guiding structure
400, flow-guiding structure 400 is set in the first wind-guiding air duct 110, and flow-guiding structure 400 and the interval of impeller 300 are arranged, and water conservancy diversion knot
Structure 400 is set between the air outlet and impeller 300 in the first wind-guiding air duct 110, for by air-flow towards the first wind-guiding air duct 110
Air outlet guiding.The wind being discharged by the outlet air end 426 of impeller 300 is so guided to by the first wind-guiding wind by flow-guiding structure 400
The air outlet in road 110.
As shown in Figure 1, flow-guiding structure 400 includes third guide part 410, third guide part specific in this embodiment
410 include third guide part 412, the area of the cross section of third guide part 412 along the first wind-guiding air duct 110 air inlet to the
The direction of the air outlet in one wind-guiding air duct 110 gradually decreases.So, on the one hand, first can be made to lead by third guide part 412
The air-flow diffusion that the gas outlet in wind air duct 110 goes out, can be converted to static pressure for the dynamic pressure of the air outlet parts in the first wind-guiding air duct 110
Can, on the other hand, third guide part 412 can be such that air-flow uniformly flows out.
As shown in Fig. 1, Fig. 3 and Fig. 4, specific in this embodiment, flow-guiding structure 400 includes the 4th guide part 420, the
Four guide parts 420 are fixedly arranged on the outer wall of third guide part 410, and the 4th guide part 420 includes water conservancy diversion inclined-plane 422, water conservancy diversion inclined-plane 422
It is arranged towards the air outlet in the first wind-guiding air duct 110, for leading air-flow along the direction of the air outlet in the first wind-guiding air duct 110
Draw.In this way, the setting on water conservancy diversion inclined-plane 422 can reverse the swirling eddy flowed out from blade 310, make the dynamic of a part deflection air-flow
It can be converted into static energy, while reducing friction and whirlpool kinetic energy loss because of caused by flow rotation, it is further, oblique by water conservancy diversion
The guide functions in face 422 partially radially can will be converted to axial flow by air-flow, and collect energy and improve performance.In this implementation
In example, the inclined direction on water conservancy diversion inclined-plane 422 and the circulating direction of air-flow are corresponding, can so reduce flow losses.
As shown in Figure 3 and Figure 4, further, in this embodiment, water conservancy diversion inclined-plane 422 is the arcwall face to set to the concave.Such as
This, realizes the swirling eddy that torsion is flowed out from blade 310 by arcwall face, and the kinetic energy of a part deflection air-flow is made to be converted into static pressure
Can, while reducing friction and whirlpool kinetic energy loss because of caused by flow rotation.
As shown in Figure 3 and Figure 4, specific in this embodiment, the 4th guide part 420 includes 424 He of the second air intake
Third outlet air end 426, water conservancy diversion inclined-plane 422 are set between second air intake 424 and third outlet air end 426, the 4th guiding
The thickness of part 420 is gradually decreased along the direction of the second air intake 424 to third outlet air end 426.In this way, the 4th guide part 420 is thick
The variation of degree can make the 4th guide part 420 have excellent aerodynamic characteristics, and intensity is big, and pneumatic efficiency is high, similar wing
Shape guide vane.
As shown in figure 4, in this embodiment, the tangent line of the end of third outlet air end 426 and the first wind-guiding air duct 110
Angle between radial direction is β, wherein 85 °≤β≤110 °.In this way, the 4th guide part 420 has when β is in the range
Excellent aerodynamic characteristics.Specifically, β can be 85 °, 90 °, 95 °, 100 °, 105 ° or 110 °.
As shown in figure 4, in this embodiment, the tangent line of the end of the second air intake 424 and the first wind-guiding air duct 110
Angle between radial direction is γ, wherein 25 °≤γ≤45 °.In this way, when γ is in the range, the 4th guide part 420 tool
Standby excellent aerodynamic characteristics.Specifically, γ can be 25 °, 30 °, 35 °, 40 ° or 45 °.
In this embodiment, the spacing of impeller 300 and flow-guiding structure 400 is H, wherein 5mm≤H≤15mm.In this way, working as
H is in the range, it is possible to reduce and air-flow enters in the gap between flow-guiding structure 400 and impeller 300, reduces the generation of whirlpool,
Improve the aeroperformance of this impeller 300.Specifically, H can be 5mm, 10mm or 15mm.
In this embodiment, the spacing between impeller 300 and the inner wall in the first wind-guiding air duct 110 is L, wherein 4mm≤
L≤7mm；In this way, advantageously reducing 110 volumetric loss of the first wind-guiding air duct when L is in the range, 300 efficiency of impeller is improved,
And impeller 300 is avoided to generate friction with the inner wall in the first wind-guiding air duct 110 when rotating at high speed.Specifically, L can for 4mm,
5mm, 6mm or 7mm.
Based on any of the above embodiments, which further includes air outlet grate 500, air outlet grate 500
It is set to the air outlet in the first wind-guiding air duct 110.In this way, air-flow orderly can be uniformly discharged, and can effectively reduce
Foreign matter enters in the first wind-guiding air duct 110, prevents the generation of safety accident.As shown in figure 5, in this embodiment, style out
Grid 500 include diffusion part 510, and diffusion part 510 is set to the outlet end of air outlet grate 500, and the cross-sectional area of diffusion part 510 is along the
The direction of air outlet in the air inlet in one wind-guiding air duct 110 to the first wind-guiding air duct 110 is gradually increased, in this way, playing increase row
Wind area.
As shown in Figure 1, based on any of the above embodiments, which further includes filtration members 600, filtering
Part 600 is set to the air inlet in the second wind-guiding air duct 210.Enter the second wind-guiding air duct in this way, filtering by setting filtration members 600
210 air promotes cleanliness.Specifically, filtration members 600 can be high efficiency particulate air either filter core.In this embodiment
In, including installation part 700, installation part 700 is set to the air inlet in the second wind-guiding air duct 210, and connector 700 is for installing filtering
Part 600.It of courses, in other embodiments, installation part 700 and the second air guide member 200 are integrally formed.
As shown in figure 8, in this embodiment, based on any of the above embodiments, the stagger angle of blade 310
Angle c, wherein 25 °≤c≤40 °.In this way, in the range, the air output of impeller 300 is more stable.Specifically, c can be with
It is 25 °, 30 °, 35 ° and 40 °.
As shown in figure 8, based on any of the above embodiments, the angle d of the exit installation angle of blade 310, wherein
30°≤d≤50°.In this way, in the range, the air output of impeller 300 is more stable.Specifically, d can be 30 °, 35 °,
40 °, 45 ° and 50 °.
Based on any of the above embodiments, third wind-guiding air duct 328 is located at the interior of first outlet air end 326
Diameter is R1, the outer diameter that third wind-guiding air duct 328 is located at first outlet air end 326 is R2, 0.65R2≤R1≤0.8R2.Such as
This, in the range, the air output of impeller 300 is more stable.On the basis of this embodiment, third wind-guiding air duct
328 outer diameters for being located at first outlet air end 326 are R2, wherein 160mm≤R2≤170mm.In the range, impeller 300
Air output is more stable.Specifically, R2It can be 160mm, 165mm and 170mm.
It as shown in FIG. 6 and 7, based on any of the above embodiments, further include for being connect with rotational power plant
Installation axle sleeve 700, the second guide part 330 be equipped with mounting hole, installation axle sleeve 700 be set to mounting hole.In this way, rotational power fills
It sets and drives the rotation of the second guide part 330, the second guide part 330, blade 310 and the first guide part 320 rotate synchronously, axle sleeve installation
It can be integrally formed with 330 quadric injection mould of the second guide part, guarantee assembly precision, connective stability is higher, without individually assembling,
Process flow is reduced, production cost is reduced.It further include shock absorber part 710 on the basis of this embodiment, shock absorber part 710 is fixed
In the inner wall of installation axle sleeve 700.It runs at high speed brought vibration in this way, can effectively reduce blade 310, runs impeller 300
It is more steady.Specifically, rotational power plant can be motor or deceleration mechanism either other offer rotational powers
The device in source.
As shown in fig. 6, the second guide part 330 includes fixing body specific in this embodiment, fixing body is equipped with installation
The outer wall in hole, fixing body is equipped with reinforcing rib 800.In this way, promoting the intensity of the second guide part 330 by setting reinforcing rib 800.?
In this embodiment, the quantity of reinforcing rib 800 is multiple, and being provided at circumferentially spaced along fixing body of reinforcing rib 800, in this way, into
One step promotes the intensity of the second guide part 330.In this embodiment, fixing body is mounting post, and mounting post can be led with second
It is integrally formed to part 330, can also be mounted on the second guide part 330, be will not repeat them here by corresponding connection relationship.
As shown in fig. 6, based on any of the above embodiments, blade 310 is equipped with the denoising structure 312 being serrated.
In this way, tonal noise is effectively reduced, eddy current crack is reduced, to reduce total noise of centrifuge.In this embodiment, denoising structure
312 are set to the rear of blade 310, i.e., are arranged close to the first outlet air end 326, in this way, can reduce at the first outlet air end 326
Tonal noise reduces eddy current crack.In this embodiment, the arc-shaped distribution of denoising structure 312 setting and with denoising structure 312
Distribution arrangement blade 310 extending direction it is corresponding, in this way, denoising structure 312 is consistent with the flow direction of air-flow, and then can be with
It is significantly more efficient to play the role of noise reduction.
In this embodiment, the quantity of blade 310 is 8-20 piece.In this way, in the range, the performance of impeller 300 is most
Stablize, air quantity is also most stable.
Each technical characteristic of above embodiments can be combined arbitrarily, for simplicity of description, not to above-described embodiment
In each technical characteristic it is all possible combination be all described, as long as however, the combination of these technical characteristics be not present lance
Shield all should be considered as described in this specification.
Only several embodiments of the present invention are expressed for above embodiments, and the description thereof is more specific and detailed, but can not
Therefore it is construed as limiting the scope of the patent.It should be pointed out that for those of ordinary skill in the art,
Under the premise of not departing from present inventive concept, various modifications and improvements can be made, and these are all within the scope of protection of the present invention.
Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (22)
1. a kind of ducting assembly characterized by comprising
First air guide member, first air guide member include the first wind-guiding air duct；And
Second air guide member, second air guide member include the second wind-guiding air duct, the air outlet in second wind-guiding air duct with it is described
The air inlet in the first wind-guiding air duct is connected to, the area of the cross section in second wind-guiding air duct along second wind-guiding air duct into
The direction of the air outlet in air port to second wind-guiding air duct gradually decreases.
2. ducting assembly according to claim 1, which is characterized in that the inner wall in first wind-guiding air duct is equipped with towards institute
State the relief portion of the radial projection in the first wind-guiding air duct.
3. a kind of air purifier, which is characterized in that including ducting assembly of any of claims 1 or 2.
4. air purifier according to claim 3, which is characterized in that further include impeller, the impeller is set to described
In first wind-guiding air duct.
5. air purifier according to claim 4, which is characterized in that the impeller includes the first guide part, and described the
One guide part includes third wind-guiding air duct, and the air inlet in third wind-guiding air duct and the air outlet in second wind-guiding air duct connect
Logical, the inner wall in third wind-guiding air duct is equipped with guide frame, and the guide frame is used for air-flow along the third wind-guiding wind
The air inlet in road connects the air outlet for leading to third wind-guiding air duct.
6. air purifier according to claim 5, which is characterized in that first guide part include the first air intake and
First outlet air end, first air intake and the first outlet air end are connected to form third wind-guiding air duct.
7. air purifier according to claim 6, which is characterized in that the end tangent line of first outlet air end with it is described
Angle between the radial direction in third wind-guiding air duct is a, wherein 90 °≤a≤120 °.
8. air purifier according to claim 5, which is characterized in that the impeller includes the second guide part, and described the
Two guide parts and first guide part interval are arranged, and second guide part is set to first guide part and described first
Between the air outlet in wind-guiding air duct, the area of the cross section of second guide part along first wind-guiding air duct air inlet extremely
The direction of the air outlet in first wind-guiding air duct gradually increases.
9. air purifier according to claim 8, which is characterized in that the impeller further includes blade, the blade
One end is fixedly arranged on the inner wall in third wind-guiding air duct, and the other end of the blade is connect with one end of second guide part.
10. air purifier according to claim 8, which is characterized in that the other end of the second guide part is the second outlet air
End, the cross-sectional area of first outlet air end are greater than the cross-sectional area of second outlet air end.
11. air purifier according to claim 6, which is characterized in that the guide frame includes the of inside projection
One guide part and the second recessed outward guide part, first guide part are connected with second guide part, and described first leads
To close first air intake in portion, second guide part is close to first outlet air end.
12. air purifier according to claim 4, which is characterized in that further include flow-guiding structure, the flow-guiding structure is set
It is placed in first wind-guiding air duct, the flow-guiding structure and the wheel space are arranged, and the flow-guiding structure is set to institute
It states between the air outlet and the impeller in the first wind-guiding air duct, is led for the air outlet by air-flow towards first wind-guiding air duct
Draw.
13. air purifier according to claim 12, which is characterized in that the flow-guiding structure includes third guide part,
The third guide part includes third guide part, and the area of the cross section of the third guide part is along first wind-guiding air duct
The direction of air outlet in air inlet to first wind-guiding air duct gradually decreases.
14. air purifier according to claim 13, which is characterized in that the flow-guiding structure includes the 4th guide part,
4th guide part is fixedly arranged on the outer wall of the third guide part, and the 4th guide part includes water conservancy diversion inclined-plane, the water conservancy diversion
Inclined-plane towards first wind-guiding air duct air outlet be arranged, for by air-flow along the side of the air outlet in first wind-guiding air duct
To guiding.
15. air purifier according to claim 14, which is characterized in that the water conservancy diversion inclined-plane is the arc to set to the concave
Face.
16. air purifier according to claim 14, which is characterized in that the 4th guide part includes the second air intake
With third outlet air end, the water conservancy diversion inclined-plane is set between second air intake and the third outlet air end, and the described 4th leads
It is gradually decreased to the thickness of part along the direction of second air intake to the third outlet air end.
17. air purifier according to claim 16, which is characterized in that the tangent line of the end of the third outlet air end with
Angle between the radial direction in first wind-guiding air duct is β, wherein 85 °≤β≤110 °.
18. air purifier according to claim 16, which is characterized in that the tangent line of the end of second air intake with
Angle between the radial direction in first wind-guiding air duct is γ, wherein 25 °≤γ≤45 °.
19. air purifier according to claim 12, which is characterized in that the spacing of the impeller and the flow-guiding structure
For H, wherein 5mm≤H≤15mm.
20. air purifier according to claim 4, which is characterized in that the impeller and first wind-guiding air duct
Spacing between inner wall is L, wherein 4mm≤L≤7mm.
21. air purifier according to claim 3, which is characterized in that further include air outlet grate, the air outlet grate is set
It is placed in the air outlet in first wind-guiding air duct.
22. according to the described in any item air purifiers of claim 3 to 21, which is characterized in that it further include filtration members, the mistake
Filter part is set to the air inlet in second wind-guiding air duct.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910507224.4A CN110145849A (en) | 2019-06-12 | 2019-06-12 | Ducting assembly and air purifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910507224.4A CN110145849A (en) | 2019-06-12 | 2019-06-12 | Ducting assembly and air purifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110145849A true CN110145849A (en) | 2019-08-20 |
Family
ID=67591115
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910507224.4A Pending CN110145849A (en) | 2019-06-12 | 2019-06-12 | Ducting assembly and air purifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110145849A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111365795A (en) * | 2020-04-28 | 2020-07-03 | 肖柏仁 | Air purifier |
| CN115263815A (en) * | 2022-09-26 | 2022-11-01 | 西门子电机(中国)有限公司 | Motor fan cover |
-
2019
- 2019-06-12 CN CN201910507224.4A patent/CN110145849A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111365795A (en) * | 2020-04-28 | 2020-07-03 | 肖柏仁 | Air purifier |
| CN115263815A (en) * | 2022-09-26 | 2022-11-01 | 西门子电机(中国)有限公司 | Motor fan cover |
| CN115263815B (en) * | 2022-09-26 | 2023-02-03 | 西门子电机(中国)有限公司 | Motor fan cover |
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