CN109307319A - Air conditioner indoor unit and air conditioner - Google Patents
Air conditioner indoor unit and air conditioner Download PDFInfo
- Publication number
- CN109307319A CN109307319A CN201811374049.8A CN201811374049A CN109307319A CN 109307319 A CN109307319 A CN 109307319A CN 201811374049 A CN201811374049 A CN 201811374049A CN 109307319 A CN109307319 A CN 109307319A
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- China
- Prior art keywords
- air
- air conditioner
- indoor unit
- flow fan
- middle cover
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0018—Indoor units, e.g. fan coil units characterised by fans
- F24F1/0025—Cross-flow or tangential fans
-
- 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
- F24F13/20—Casings or covers
-
- 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
- F24F13/30—Arrangement or mounting of heat-exchangers
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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 present invention discloses a kind of air conditioner indoor unit and the air conditioner using the air conditioner indoor unit, wherein, air conditioner indoor unit includes shell, the cross flow fan being set in the housing and the heat exchanger being set in the housing, shell is equipped with air inlet and air outlet, and cross flow fan and heat exchanger are between air inlet and air outlet；Cross flow fan includes spiral case and the tubular wine wheel in spiral case, and spiral case includes air duct upper wall and air duct lower wall, exhaust air flue is formed between air duct upper wall and air duct lower wall, one end of the close air inlet of air duct lower wall is equipped with rear volute tongue；Tubular wine wheel includes two end cap and at least one middle cover between two end cap, and blade is equipped between end cap and middle cover and adjacent middle cover；The inner wall of volute tongue offers stable chute afterwards, and the notch of stable chute is arranged towards middle cover.Technical solution of the present invention is able to ascend the wind stability out of cross flow fan.
Description
Technical field
The present invention relates to air-conditioning technique field, in particular to a kind of air conditioner indoor unit and the application air conditioner indoor unit
Air conditioner.
Background technique
Currently, generally will use cross flow fan in the apparatuses of air conditioning such as wall-mounted air conditioner, warm-air drier.But it is existing
Some cross flow fans, the inner wall of the rear volute tongue of spiral case are commonly hydraulically smooth surface, and the middle cover outer diameter of tubular wine wheel is generally big
In fan blade outer diameter；In this way, the middle cover of tubular wine wheel will produce the air-flow of cross flow fan transverse direction outlet air when cross flow fan is run
Raw interference, influences wind stability out.
Above content is only used to facilitate the understanding of the technical scheme, and is not represented and is recognized that above content is existing skill
Art.
Summary of the invention
The main object of the present invention is to provide a kind of air conditioner indoor unit, it is intended to which promote cross flow fan goes out wind stability.
To achieve the above object, air conditioner indoor unit proposed by the present invention includes shell, the through-flow wind being disposed in the housing
Machine and the heat exchanger being disposed in the housing, the shell are equipped with air inlet and air outlet, the cross flow fan and described change
Hot device is between the air inlet and air outlet；
The cross flow fan includes spiral case and the tubular wine wheel in the spiral case, the spiral case include air duct upper wall and
Air duct lower wall forms exhaust air flue, the close air inlet of the air duct lower wall between the air duct upper wall and air duct lower wall
One end be equipped with rear volute tongue；
The tubular wine wheel includes two end cap and at least one middle cover between two end cap, the end cap and it is described in
Blade is equipped between lid and adjacent middle cover；
The inner wall of volute tongue offers stable chute after described, and the notch of the stable chute is arranged towards the middle cover.
In one embodiment of this invention, it is equipped with and adds at the position of the correspondence stable chute of the air duct lower wall outside wall surface
Strengthening tendons.
In one embodiment of this invention, the stable chute is set along the inner wall of the rear volute tongue towards air outlet extension
It sets.
In one embodiment of this invention, after described between volute tongue and the tubular wine wheel at distance minimum with the through-flow
The line at wind wheel center and the angle of horizontal direction are θ, and the development length of the stable chute corresponds to the tubular wine wheel center institute
The central angle for being in is α, then+45 ° of α≤θ.
In one embodiment of this invention, define the stable chute width be Wc, the middle cover with a thickness of ε, then (ε+
5)mm≤Wc≤20mm。
In one embodiment of this invention, the depth capacity for defining the stable chute is Dc, the outer rim of the blade to institute
The distance for stating the outer rim of middle cover is δ, then 0.5mm≤Dc≤(δ+3) mm.
In one embodiment of this invention, at the depth capacity of the stable chute between the both ends of the stable chute,
The depth of the stable chute to both ends from being gradually reduced at depth capacity.
In one embodiment of this invention, defining the minimum range between the rear volute tongue and the tubular wine wheel is τ, institute
The outer diameter for stating middle cover is D2, then 0.035D2≤τ≤0.065D2.
In one embodiment of this invention, the stable chute be equipped with it is several, it is described in be covered with it is several, the stable chute with
The middle cover is radially oppositely arranged one by one.
The present invention also proposes a kind of air conditioner, which includes air conditioner indoor unit, which includes shell, sets
In the heat exchanger shell intracorporal cross flow fan and be disposed in the housing, the shell is equipped with air inlet and air outlet,
The cross flow fan and the heat exchanger are between the air inlet and air outlet；
The cross flow fan includes spiral case and the tubular wine wheel in the spiral case, the spiral case include air duct upper wall and
Air duct lower wall forms exhaust air flue, the close air inlet of the air duct lower wall between the air duct upper wall and air duct lower wall
One end be equipped with rear volute tongue；
The tubular wine wheel includes two end cap and at least one middle cover between two end cap, the end cap and it is described in
Blade is equipped between lid and adjacent middle cover；
The inner wall of volute tongue offers stable chute after described, and the notch of the stable chute is arranged towards the middle cover.
Technical solution of the present invention opens up stable chute by the inner wall of the rear volute tongue in spiral case, and by the stable chute
The middle cover of notch towards tubular wine wheel is arranged, in this way, stable chute can weaken the middle cover pair of tubular wine wheel when cross flow fan operation
The interference of crossflow reduces the disturbance of wind wheel through-flow area's axial flow, and promote cross flow fan goes out wind stability, reduces surge wind
Danger improves sound quality, promotes user experience.Also, such design, even if after cross flow fan longtime running, system unit dust stratification,
Resistance increases, and cross flow fan can still operate normally, and have it is good go out wind stability and sound quality, user's real experiences compared with
It is high.
On the other hand, stable chute opens up, and provides additional structure interval, can be used for meeting the middle cover of tubular wine wheel with
The clearance requirement that structure designs between spiral case.In this way, tubular wine wheel can be designed the inner wall more close to rear volute tongue
So that the blade of tubular wine wheel is more close to the inner wall of rear volute tongue, in this way, the inner wall of volute tongue and through-flow wind after can reducing
The distance between blade of wheel, the flow leakage after reduction at volute tongue reduce the circulating reflux area of cross flow fan, interior recirculating zone
Size and intensity promote air duct performance and (promote cross flow fan with the air quantity under revolving speed, reduce cross flow fan with the function under air quantity
Rate), while cross flow fan is minimized with the noise under air quantity.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
The structure shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the structural schematic diagram of one embodiment of cross flow fan of the present invention；
Fig. 2 is the structural schematic diagram that cross flow fan removes after tubular wine wheel in Fig. 1；
Fig. 3 is the structural schematic diagram at another visual angle of tubular wine wheel in Fig. 1；
Fig. 4 is the Longitudinal cross section schematic of tubular wine wheel in Fig. 3；
Fig. 5 is the Longitudinal cross section schematic of cross flow fan in Fig. 1.
Drawing reference numeral explanation:
| Label | Title | Label | Title |
| 100 | Cross flow fan | 50 | Tubular wine wheel |
| 10 | Air duct lower wall | 51 | End cap |
| 10a | Air inlet | 53 | Middle cover |
| 10b | Air outlet | 55 | Blade |
| 11 | Volute tongue afterwards | 57 | Steel shaft |
| 111 | Stable chute | 70 | Bearing block |
| 113 | Lug boss | 90 | Motor |
| 30 | Air duct upper wall |
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
His embodiment, shall fall within the protection scope of the present invention.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute is only used in the embodiment of the present invention
In explaining in relative positional relationship, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, if should
When particular pose changes, then directionality instruction also correspondingly changes correspondingly.
In addition, the description for being such as related to " first ", " second " in the present invention is used for description purposes only, and should not be understood as
Its relative importance of indication or suggestion or the quantity for implicitly indicating indicated technical characteristic.Define as a result, " first ",
The feature of " second " can explicitly or implicitly include at least one of the features.In the description of the present invention, " multiple " contain
Justice is at least two, such as two, three etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " connection ", " fixation " etc. shall be understood in a broad sense,
For example, " fixation " may be a fixed connection, it may be a detachable connection, or integral；It can be mechanical connection, be also possible to
Electrical connection；It can be directly connected, the connection inside two elements or two can also be can be indirectly connected through an intermediary
The interaction relationship of a element, unless otherwise restricted clearly.It for the ordinary skill in the art, can basis
Concrete condition understands the concrete meaning of above-mentioned term in the present invention.
It in addition, the technical solution between each embodiment of the present invention can be combined with each other, but must be general with this field
Based on logical technical staff can be realized, it will be understood that when the combination of technical solution appearance is conflicting or cannot achieve this
The combination of technical solution is not present, also not the present invention claims protection scope within.
The present invention proposes a kind of air conditioner indoor unit, it is intended to which promote cross flow fan 100 goes out wind stability.
The air conditioner indoor unit includes shell, the cross flow fan being set in the housing 100 and the heat exchanger being set in the housing,
Shell is equipped with air inlet 10a and air outlet 10b, and cross flow fan 100 and heat exchanger are between air inlet 10a and air outlet 10b.
Further, as shown in Figures 1 to 5, in 100 1 embodiment of cross flow fan of the present invention, the cross flow fan 100 packet
Spiral case and the tubular wine wheel 50 in the spiral case are included, the spiral case includes air duct upper wall 30 and air duct lower wall 10, the wind
Exhaust air flue, one end close to the air inlet 10a of the air duct lower wall 10 are formed between road upper wall 30 and air duct lower wall 10
Equipped with rear volute tongue 11；
The tubular wine wheel 50 includes two end cap 51 and at least one middle cover 53 between two end cap 51, the end cap
Blade 55 is equipped between 51 and the middle cover 53 and adjacent middle cover 53；
The inner wall of volute tongue 11 offers stable chute 111 after described, and the notch of the stable chute 111 is towards the middle cover 53
Setting.
Specifically, cross flow fan 100 further includes bearing block 70 and motor 90, meanwhile, on an end cap 51 of tubular wine wheel 50
It is provided with steel shaft 57, is provided with Bu Si and screw on another end cap 51.Further, one end of tubular wine wheel 50 passes through steel shaft 57
It is fixed together with bearing block 70, and bearing block 70 is fixed on spiral case；The other end of tubular wine wheel 50 then passes through Bu Si and spiral shell
Nail is fixed together with motor 90, and motor 90 is fixed on spiral case.
Technical solution of the present invention opens up stable chute 111 by the inner wall of the rear volute tongue 11 in spiral case, and by the current stabilization
The middle cover 53 of the notch of slot 111 towards tubular wine wheel 50 is arranged, in this way, stable chute 111 can be cut when cross flow fan 100 is run
Interference of the middle cover 53 of weak tubular wine wheel 50 to crossflow reduces the disturbance of wind wheel through-flow area's axial flow, promotes cross flow fan
100 wind stability out, reduces surge risk, improves sound quality, promote user experience.Also, such design, even if through-flow wind
After 100 longtime running of machine, system unit dust stratification, resistance increase, and cross flow fan 100 can still operate normally, and have good
Wind stability and sound quality out, user's real experiences are higher.
On the other hand, stable chute 111 opens up, and provides additional structure interval, can be used for meeting tubular wine wheel 50
The clearance requirement that structure designs between middle cover 53 and spiral case.In this way, tubular wine wheel 50 can be designed more close to rear volute tongue 11
Inner wall, that is, may make the blade 55 of tubular wine wheel 50 more close to the inner wall of rear volute tongue 11, in this way, snail after can reducing
The inner wall of tongue 11 and the distance between the blade 55 of tubular wine wheel 50, the flow leakage after reduction at volute tongue 11 reduce through-flow
The size and intensity in the circulating reflux area of blower 100, interior recirculating zone promote air duct performance and (promote cross flow fan 100 under revolving speed
Air quantity, reduce cross flow fan 100 with the power under air quantity), while cross flow fan 100 is dropped with the noise under air quantity
It is low.
As shown in Figures 1 to 5, in 100 1 embodiment of cross flow fan of the present invention, the stable chute 111 is along the rear snail
The inner wall of tongue 11 is extended towards the air outlet 10b.That is, stable chute 111 along air duct lower wall 10 inner wall according to by into
Air port 10a is extended to the direction of air outlet 10b.That is, the length direction of stable chute 111 with close to 10 inner wall of air duct lower wall
The air flow direction in face is consistent.
In this way, stable chute 111 can play the role of guiding 50 middle cover 53 of tubular wine wheel air flow direction nearby, make tubular wine wheel
Air-flow near 50 middle covers 53 can smoothly flow to air outlet 10b, reduce the disturbance of air-flow near middle cover 53, avoid flow-disturbing to cross
Interference to air-flow reduces wind wheel through-flow area to further weaken interference of the middle cover 53 of tubular wine wheel 50 to crossflow
Axial flow disturbance, promote cross flow fan 100 goes out wind stability, reduces surge risk, improves sound quality, promotes user experience.
As shown in Figures 1 to 5, in 100 1 embodiment of cross flow fan of the present invention, one in the cross flow fan 100 is vertical
On section, the company between the rear volute tongue 11 and the tubular wine wheel 50 at distance minimum with 50 center of tubular wine wheel is defined
Line and the angle of horizontal direction are θ, and the development length for defining the stable chute 111 corresponds to 50 center of tubular wine wheel and is in
Central angle be α, then+45 ° of α≤θ.
Specifically, the inner wall of rear volute tongue 11 is formed with lug boss 113, axial direction of the lug boss 113 along cross flow fan 100
It is extended.On any longitudinal section of the cross flow fan 100, the distance of vertex to the tubular wine wheel 50 of lug boss 113 is wind
Any point is to the minimum in the distance of tubular wine wheel 50 on 10 inner wall of road lower wall.Further, stable chute 111 is opened in protrusion
The surface away from air inlet 10a in portion 113, and stable chute 111 is initially formed by the vertex position of lug boss 113, and along convex
The surface away from air inlet 10a for playing portion 113 is extended to the direction air outlet 10b.That is, stable chute 111 is located at lug boss
113 surface away from air inlet 10a.At this point, the line and horizontal direction on the vertex of lug boss 113 and 50 center of tubular wine wheel
Angle be θ；The endpoint (vertex of lug boss 113) of the neighbouring air inlet 10a of stable chute 111 and 50 center of tubular wine wheel
Line, the angle with the line of the endpoint and 50 center of tubular wine wheel of the neighbouring air outlet 10b of stable chute 111 is α, then α≤θ
+45°。
In this way, can be closer apart from tubular wine wheel 50 on 10 inner wall of air duct lower wall by the position restriction of stable chute 111
In one section of region, at this point, stable chute 111 is more preferable, more efficient to the effect of the drainage of air-flow near middle cover 53, that is, this
When stable chute 111 can more efficiently weaken interference of the middle cover 53 of tubular wine wheel 50 to crossflow, thus further
The disturbance of wind wheel through-flow area's axial flow is reduced, promote cross flow fan 100 goes out wind stability, reduces surge risk, improve sound quality,
Promote user experience.At the same time, the back of above-mentioned zone generally and is not designed with other supplementary structures；Therefore, stable chute
111 setting can effectively enhance the intensity in the region, reduce the air duct deflection in the region, it is ensured that air duct performance stabilization,
Sound quality is stablized, and the reliability of cross flow fan 100 is promoted.
As shown in Figures 1 to 5, in 100 1 embodiment of cross flow fan of the present invention, the width of the stable chute 111 is defined
For Wc, the middle cover 53 with a thickness of ε, then (ε+5) mm≤Wc≤20mm.
On the one hand, the width Wc of stable chute 111 is not less than (ε+5) mm, the thickness phase of the width and middle cover 53 of stable chute 111
Adaptation；In this way, can not only meet the deviation demand and manufacturability requirements of the manufacturing, be conducive to promote the life of cross flow fan 100
It produces, the convenience and reliability of assembly, but also the clearance requirement of structure design can be met, avoid squeezing between associated components
And abrasion, it avoids the rotation of wind wheel from being adversely affected, to promote the structural stability and reliability of cross flow fan 100, mentions
The operational reliability of cross flow fan 100 is risen, ensures the higher efficiency of cross flow fan 100 and air duct performance；
On the other hand, the width Wc of stable chute 111 is no more than 20mm；In this way, can avoid that 111 width of stable chute is excessive brings
Airflow leaks problem, reduce the size and intensity of the circulating reflux area of cross flow fan 100, interior recirculating zone, promote air duct performance
(promoting cross flow fan 100 with the air quantity under revolving speed, reduce cross flow fan 100 with the power under air quantity), while making through-flow wind
Machine 100 is minimized with the noise under air quantity.
That is, being unable to meet production the deviation demand of manufacture, Wu Faman if the width Wc of stable chute 111 is lower than (ε+5) mm
Sufficient manufacturability requirements are unable to satisfy the clearance requirement of structure design；If the width Wc of stable chute 111 is more than 20mm, can make
At biggish airflow leaks at rear volute tongue 11, make air duct performance rapid drawdown.
As shown in Figures 1 to 5, in 100 1 embodiment of cross flow fan of the present invention, the maximum of the stable chute 111 is defined
Depth is Dc, and the distance of the outer rim of the outer rim of the blade 55 to the middle cover 53 is δ, then 0.5mm≤Dc≤(δ+3) mm.
On the one hand, the depth capacity Dc of stable chute 111 is not less than 0.5mm；In this way, can not only meet the deviation of the manufacturing
Demand and manufacturability requirements are conducive to the convenience and reliability that promote the production of cross flow fan 100, assembly, but also can expire
The clearance requirement of sufficient structure design avoids that extruding and abrasion occurs between associated components, the rotation of wind wheel is avoided to be adversely affected,
To promote the structural stability and reliability of cross flow fan 100, the operational reliability of cross flow fan 100 is promoted, ensures through-flow
The higher efficiency of blower 100 and air duct performance；
On the other hand, the depth capacity Dc of stable chute 111 is no more than (δ+3) mm, the depth capacity Dc and leaf of stable chute 111
The distance δ of outer rim of the outer rim of piece 55 to middle cover 53 is adapted；In this way, can avoid the excessive bring of 111 depth capacity of stable chute
Airflow leaks problem reduces the circulating reflux area of cross flow fan 100, the size and intensity of interior recirculating zone, promotes air duct performance and (mentions
Cross flow fan 100 is risen with the air quantity under revolving speed, reduces cross flow fan 100 with the power under air quantity), while making cross flow fan
100 are minimized with the noise under air quantity.
That is, it is unable to meet production the deviation demand of manufacture if the depth capacity Dc of stable chute 111 is lower than 0.5mm, it can not
Meet manufacturability requirements, is unable to satisfy the clearance requirement of structure design；If the depth capacity Dc of stable chute 111 is more than (δ+3)
Mm, it will cause biggish airflow leaks at rear volute tongue 11, make air duct performance rapid drawdown.
As shown in Figures 1 to 5, in 100 1 embodiment of cross flow fan of the present invention, the depth capacity of the stable chute 111
Place is located between the both ends of the stable chute 111, and the depth of the stable chute 111 to both ends from being gradually reduced at depth capacity.
In this way, the air-flow in stable chute 111 can more smoothly flow, the generation that can reduce flow-disturbing and flow-disturbing are to the bad of lateral outlet air
It influences, promotes the stability of outlet air.Specifically, the bottom shape of stable chute 111 can be arc, trapezoidal etc..
As shown in Figures 1 to 5, it in 100 1 embodiment of cross flow fan of the present invention, defines the rear volute tongue 11 and is passed through with described
Flowing the minimum range between wind wheel 50 is τ, and the outer diameter of the middle cover 53 is D2, then 0.035D2≤τ≤0.065D2.
On the one hand, the minimum range τ between rear volute tongue 11 and tubular wine wheel 50 is no more than 0.065D2, in this way, can be further
The distance between the blade 55 of inner wall Yu tubular wine wheel 50 of volute tongue 11 after reduction, the flow leakage after reduction at volute tongue 11,
Reduce the circulating reflux area of cross flow fan 100, the size and intensity of interior recirculating zone, promotes air duct performance and (promote cross flow fan 100
With the air quantity under revolving speed, cross flow fan 100 is reduced with the power under air quantity), while making cross flow fan 100 with making an uproar under air quantity
Sound is minimized.
On the other hand, the minimum range τ between rear volute tongue 11 and tubular wine wheel 50 is not less than 0.035D2, in this way, can avoid
100 efficiency of cross flow fan, air duct performance are die-offed because of hypotelorism, ensure the performance in air duct, the efficiency of blower.
That is, cross flow fan 100 is run if the minimum range τ between rear volute tongue 11 and tubular wine wheel 50 is lower than 0.035D2
When resistance by abruptly increase, efficiency, air duct performance will die-off；If the minimum range τ between rear volute tongue 11 and tubular wine wheel 50 is more than
0.065D2, it will cause biggish airflow leaks at rear volute tongue 11, make air duct performance rapid drawdown.
As shown in Figures 1 to 5, in 100 1 embodiment of cross flow fan of the present invention, the stable chute 111 is equipped with several, institute
State middle cover 53 be equipped with it is several, the stable chute 111 is radially oppositely arranged one by one with the middle cover 53.
The width of several stable chutes 111 can be unified, can also be with disunity；The depth capacity of several stable chutes 111 can be with
It is unified, it can also be with disunity.
In this way, each stable chute 111 can play the role of drainage to the air-flow near corresponding middle cover 53, thus into one
Step reduces the disturbance of air-flow near middle cover 53, interference of the flow-disturbing to crossflow is avoided, finally further to promote cross flow fan
100 wind stability out.
As shown in Figures 1 to 5, in 100 1 embodiment of cross flow fan of the present invention, the outside wall surface of the air duct lower wall 10 is set
There is reinforcing rib.Specifically, reinforcing rib is settable a plurality of, and a plurality of reinforcing rib can both be parallel to each other formula, can also interlock in transverse and longitudinal
Form can also be arranged rationally and effectively in other in formula setting.Further, reinforcing rib is set to 10 outside wall surface of air duct lower wall
At the position of corresponding stable chute 111.
In this way, the groove (stable chute 111) that the inner wall of air duct lower wall 10 opens up, is aided with the reinforcing rib at back, Ke Yijin
One step reinforces the intensity of air duct lower wall 10, mitigates the deflection of air duct lower wall 10, and it is long-term can especially to mitigate air duct lower wall 10
Deflection after military service promotes 100 air duct performance of cross flow fan to effectively promote the structural stability of cross flow fan 100
Stability, the stability of sound quality promote the reliability of cross flow fan 100.
The present invention also proposes a kind of air conditioner, which includes air-conditioner outdoor unit and air conditioner indoor unit, in the air conditioning chamber
The specific structure of machine is referring to above-described embodiment, since this air conditioner uses whole technical solutions of above-mentioned all embodiments, because
This at least has all beneficial effects brought by whole technical solutions of above-mentioned all embodiments, and this is no longer going to repeat them.
Wherein, air-conditioner outdoor unit is connect with air conditioner indoor unit by medium circulation pipeline and conducting wire.
The above description is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all at this
Under the inventive concept of invention, using equivalent structure transformation made by description of the invention and accompanying drawing content, or directly/use indirectly
It is included in other related technical areas in scope of patent protection of the invention.
Claims (10)
1. a kind of air conditioner indoor unit, which is characterized in that including shell, the cross flow fan being disposed in the housing and be set to institute
The intracorporal heat exchanger of shell is stated, the shell is equipped with air inlet and air outlet, and the cross flow fan and the heat exchanger are located at described
Between air inlet and air outlet；
The cross flow fan includes spiral case and the tubular wine wheel in the spiral case, and the spiral case includes air duct upper wall and air duct
Lower wall, forms exhaust air flue between the air duct upper wall and air duct lower wall, the air duct lower wall close to the one of the air inlet
End is equipped with rear volute tongue；
The tubular wine wheel includes two end cap and at least one middle cover between two end cap, the end cap and the middle cover with
And blade is equipped between adjacent middle cover；
The inner wall of volute tongue offers stable chute after described, and the notch of the stable chute is arranged towards the middle cover.
2. air conditioner indoor unit as described in claim 1, which is characterized in that the correspondence current stabilization of the air duct lower wall outside wall surface
Reinforcing rib is equipped at the position of slot.
3. air conditioner indoor unit as described in claim 1, which is characterized in that the inner wall of stable chute volute tongue after described towards
The air outlet is extended.
4. air conditioner indoor unit as claimed in claim 3, which is characterized in that distance between volute tongue and the tubular wine wheel after described
Angle at minimum with the line at the tubular wine wheel center and horizontal direction is θ, and the development length of the stable chute corresponds to institute
Stating the central angle that tubular wine wheel center is in is α, then+45 ° of α≤θ.
5. air conditioner indoor unit as claimed in claim 3, which is characterized in that define the stable chute width be Wc, it is described in
Lid with a thickness of ε, then mm≤Wc≤20mm.
6. air conditioner indoor unit as claimed in claim 3, which is characterized in that the depth capacity for defining the stable chute is Dc, institute
The distance of outer rim for stating the outer rim of blade to the middle cover is δ, then 0.5mm≤Dc≤mm.
7. air conditioner indoor unit as claimed in claim 6, which is characterized in that be located at the depth capacity of the stable chute described steady
Between the both ends of chute, the depth of the stable chute to both ends from being gradually reduced at depth capacity.
8. air conditioner indoor unit as described in claim 1, which is characterized in that define between the rear volute tongue and the tubular wine wheel
Minimum range be τ, the outer diameter of the middle cover is D2, then 0.035D2≤τ≤0.065D2.
9. such as air conditioner indoor unit described in any item of the claim 1 to 8, which is characterized in that the stable chute is equipped with several, institute
It is covered with several in stating, the stable chute is radially oppositely arranged one by one with the middle cover.
10. a kind of air conditioner, which is characterized in that including air conditioner indoor unit as claimed in any one of claims 1-9 wherein.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811374049.8A CN109307319A (en) | 2018-11-16 | 2018-11-16 | Air conditioner indoor unit and air conditioner |
| PCT/CN2019/109145 WO2020098406A1 (en) | 2018-11-16 | 2019-09-29 | Air conditioner indoor unit and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811374049.8A CN109307319A (en) | 2018-11-16 | 2018-11-16 | Air conditioner indoor unit and air conditioner |
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| CN109307319A true CN109307319A (en) | 2019-02-05 |
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| CN201811374049.8A Pending CN109307319A (en) | 2018-11-16 | 2018-11-16 | Air conditioner indoor unit and air conditioner |
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| CN (1) | CN109307319A (en) |
| WO (1) | WO2020098406A1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110145801A (en) * | 2019-06-24 | 2019-08-20 | 宁波奥克斯电气股份有限公司 | A kind of wall-mounted air conditioner |
| CN110553399A (en) * | 2019-07-17 | 2019-12-10 | 珠海格力电器股份有限公司 | cross flow air duct assembly and fan heater |
| WO2020098406A1 (en) * | 2018-11-16 | 2020-05-22 | 广东美的制冷设备有限公司 | Air conditioner indoor unit and air conditioner |
| WO2020233229A1 (en) * | 2019-05-22 | 2020-11-26 | 宁波奥克斯电气股份有限公司 | Cross-flow fan, bearing fixing base, fan assembly, and air conditioner |
| CN116033724A (en) * | 2023-03-27 | 2023-04-28 | 四川宏华电气有限责任公司 | Novel overhead horizontal air conditioner's electrical control room |
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| WO2008041627A1 (en) * | 2006-09-29 | 2008-04-10 | Daikin Industries, Ltd. | Air conditioner |
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| CN204593776U (en) * | 2015-05-05 | 2015-08-26 | 宁波吉通信息技术有限公司 | A kind of air-conditioning duct structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN209042568U (en) * | 2018-11-16 | 2019-06-28 | 广东美的制冷设备有限公司 | Air conditioner indoor unit and air conditioner |
| CN109307319A (en) * | 2018-11-16 | 2019-02-05 | 广东美的制冷设备有限公司 | Air conditioner indoor unit and air conditioner |
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2018
- 2018-11-16 CN CN201811374049.8A patent/CN109307319A/en active Pending
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2019
- 2019-09-29 WO PCT/CN2019/109145 patent/WO2020098406A1/en active Application Filing
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| WO2008041627A1 (en) * | 2006-09-29 | 2008-04-10 | Daikin Industries, Ltd. | Air conditioner |
| WO2014091798A1 (en) * | 2012-12-13 | 2014-06-19 | 三菱電機株式会社 | Indoor unit of air conditioner |
| CN203719071U (en) * | 2014-02-10 | 2014-07-16 | 广东美的制冷设备有限公司 | Air conditioner and air flue structure thereof |
| CN204593776U (en) * | 2015-05-05 | 2015-08-26 | 宁波吉通信息技术有限公司 | A kind of air-conditioning duct structure |
| CN106288265A (en) * | 2015-05-25 | 2017-01-04 | 珠海格力电器股份有限公司 | Air duct assembly and air conditioner |
| CN105864991A (en) * | 2016-05-31 | 2016-08-17 | 珠海格力电器股份有限公司 | Air duct structure and air conditioner |
| CN205747374U (en) * | 2016-05-31 | 2016-11-30 | 珠海格力电器股份有限公司 | Air duct structure and air conditioner |
| CN107576041A (en) * | 2017-10-30 | 2018-01-12 | 四川长虹空调有限公司 | Air-conditioning snail tongue, air conditioner room unit and air conditioner |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020098406A1 (en) * | 2018-11-16 | 2020-05-22 | 广东美的制冷设备有限公司 | Air conditioner indoor unit and air conditioner |
| WO2020233229A1 (en) * | 2019-05-22 | 2020-11-26 | 宁波奥克斯电气股份有限公司 | Cross-flow fan, bearing fixing base, fan assembly, and air conditioner |
| CN110145801A (en) * | 2019-06-24 | 2019-08-20 | 宁波奥克斯电气股份有限公司 | A kind of wall-mounted air conditioner |
| CN110553399A (en) * | 2019-07-17 | 2019-12-10 | 珠海格力电器股份有限公司 | cross flow air duct assembly and fan heater |
| CN116033724A (en) * | 2023-03-27 | 2023-04-28 | 四川宏华电气有限责任公司 | Novel overhead horizontal air conditioner's electrical control room |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2020098406A1 (en) | 2020-05-22 |
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Application publication date: 20190205 |
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