CN209042569U - Air conditioner indoor unit and air conditioner - Google Patents
Air conditioner indoor unit and air conditioner Download PDFInfo
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- CN209042569U CN209042569U CN201821948638.8U CN201821948638U CN209042569U CN 209042569 U CN209042569 U CN 209042569U CN 201821948638 U CN201821948638 U CN 201821948638U CN 209042569 U CN209042569 U CN 209042569U
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Abstract
The utility model discloses a kind of air conditioner indoor unit and air conditioner, wherein air conditioner indoor unit includes shell, cross flow fan and heat exchanger, and shell is equipped with air inlet and air outlet；Cross flow fan includes spiral case wind wheel, and spiral case includes air duct upper wall and air duct lower wall, and air duct upper wall is formed with preceding volute tongue；On the cross section of cross flow fan, the preceding arc-shaped curve setting of volute tongue, the diameter for defining the outer rim of wind wheel is D0, the center of circle for defining wind wheel is point O, point Ai(i=1~n) is to be located at A on preceding volute tongue curve1And AnSeveral points, AnFor the starting point of the free end of preceding volute tongue (13), A1For the last point of preceding volute tongue, line segment AiBiIndicate point AiWith the vertical range of wind wheel；The lowest distance value for defining wind wheel and preceding volute tongue is δ, δ=Min { A1B1, A2B2, A3B3... AiBi…AnBn, 0.035D0≤δ≤0.065D0, and δ < A1B1.Technical solutions of the utility model are able to ascend the working efficiency of cross flow fan, reduce noise.
Description
Technical field
The utility model relates to blower technical field, in particular to a kind of air conditioner indoor unit and air conditioner.
Background technique
Cross flow fan is called crossflow fan, and impeller is multi-blade type, oval tubular, has forward multiple wing shape blade.Impeller rotation
When turning, air-flow enters leaf grating from the impeller place of opening wide, and passes through impeller internal, is discharged from another side leaf grating, forms working air current.It passes through
It flows under wind wheel working condition, air-flow radial through blade, forms an eccentric vortex on the inside of wind wheel twice at nearby volute tongue.Partially
The presence of vortex cordis makes impeller output end generate recycle stream, unreasonable to the control of Cross Flow Fan eccentric vortex at present, causes to pass through
Flow fan efficiency is generally relatively low, while the noise generated is larger.
Above content is only used for the technical solution that auxiliary understands the application, does not represent and recognizes that above content is existing skill
Art.
Utility model content
The main purpose of the utility model is to provide a kind of air conditioner indoor unit, it is intended to promote the work effect of air conditioner indoor unit
Rate reduces noise.
To achieve the above object, the utility model proposes air conditioner indoor unit, including shell, passing through of being disposed in the housing
Flow fan and the heat exchanger being disposed in the housing, the shell are equipped with air inlet and air outlet, the cross flow fan and institute
Heat exchanger is stated between the air inlet and air outlet；
The cross flow fan includes spiral case and is set to wind wheel in the spiral case, and the spiral case includes under air duct upper wall and air duct
Wall forms connection exhaust air flue between the air duct upper wall and air duct lower wall, the air duct upper wall is close to the one of the air inlet
End bending is formed with preceding volute tongue, and the preceding volute tongue extends towards the air inlet, and the direction for being directed away from wind wheel is extended；
On the cross section of the cross flow fan, the preceding arc-shaped curve setting of volute tongue defines the outer rim of the wind wheel
Diameter be D0, the center of circle for defining the wind wheel is point O, point Ai(i=1~n) is to be located at A on preceding volute tongue curve1And AnIt is several
It is a, AnFor the starting point of the free end of preceding volute tongue, A1For the last point of preceding volute tongue, line segment AiBiIndicate point AiIt is vertical with wind wheel away from
From intersection point point is Bi；
The lowest distance value for defining wind wheel and preceding volute tongue is δ, δ=Min { A1B1, A2B2, A3B3... AiBi…AnBn,
0.035D0≤δ≤0.065D0, and δ < A1B1。
In the embodiment of the application, the distance value of the wind wheel and preceding volute tongue is from point A1To point AnIt is set in being gradually reduced
It sets.
In the embodiment of the application, in point A1To point AnDirection on adjoining two o'clock be AkAnd Ak+1, 1.005
≤AkBk/Ak+1Bk+1≤ 1.110, (k=1,2,3 ..., n-1).
In the embodiment of the application, the distance value of the wind wheel and preceding volute tongue is from point A1To point AnIn being gradually reduced again
It is gradually increased setting.
In the embodiment of the application, the point of the lowest distance value between the preceding volute tongue curve and the wind wheel is
Amin, the last point A of the preceding volute tongue1With the point AminBetween curve correspond to the wind wheel center of circle and form end packet sweep angle β1, institute
The starting point A of volute tongue before statingnWith the point AminBetween curve correspond to the wind wheel center of circle and form front end packet sweep angle β2, 0.55≤
β1/β2≤3.65。
In the embodiment of the application, the last point A of the preceding volute tongue1The distance between described wind wheel value is greater than described
The last point A of preceding volute tonguenThe distance between described wind wheel value.
In the embodiment of the application, the point AnIn the lower section for the horizontal plane for crossing O point.
In the embodiment of the application, the free end starting point A of the preceding volute tonguenBetween the line and horizontal plane of O point
Angle α value range are as follows: 30 °≤α≤70 °.
In the embodiment of the application, the development length of the preceding volute tongue, which corresponds to the wind wheel center of circle and is formed by packet, is plunderred
The value range of angle beta are as follows: 15 °≤β≤40 °.
The utility model also provides a kind of air conditioner, including air conditioner indoor unit, includes shell in the air conditioning chamber, is set to institute
The heat exchanger stating the intracorporal cross flow fan of shell and being disposed in the housing, the shell is equipped with air inlet and air outlet, described
Cross flow fan and the heat exchanger are between the air inlet and air outlet；
The cross flow fan includes spiral case and is set to wind wheel in the spiral case, and the spiral case includes under air duct upper wall and air duct
Wall forms connection exhaust air flue between the air duct upper wall and air duct lower wall, the air duct upper wall is close to the one of the air inlet
End bending is formed with preceding volute tongue, and the preceding volute tongue extends towards the air inlet, and the direction for being directed away from wind wheel is extended；
On the cross section of the cross flow fan, the preceding arc-shaped curve setting of volute tongue defines the outer rim of the wind wheel
Diameter be D0, the center of circle for defining the wind wheel is point O, point Ai(i=1~n) is to be located at A on preceding volute tongue curve1And AnIt is several
It is a, AnFor the starting point of the free end of preceding volute tongue, A1For the last point of preceding volute tongue, line segment AiBiIndicate point AiIt is vertical with wind wheel away from
From intersection point point is Bi；
The lowest distance value for defining wind wheel and preceding volute tongue is δ, δ=Min { A1B1, A2B2, A3B3... AiBi…AnBn,
0.035D0≤δ≤0.065D0, and δ < A1B1。
Technical solutions of the utility model are by setting arc for preceding volute tongue, when generating eccentric vortex, the air-flow of eccentric vortex
Windage can be reduced more smoothly for passing through at preceding volute tongue.So that eccentric vortex is formed close at preceding volute tongue.Then,
Further by the way that the lowest distance value δ between wind wheel and preceding volute tongue to be arranged are as follows: 0.035D0≤δ≤0.065D0, δ takes at this
It is worth in range, when δ value is more than 0.065D0When, conference is crossed because of the gap between wind wheel and preceding volute tongue and makes flow leakage serious, is led
Cause air quantity decaying.When δ value is less than 0.035D0When, cause level of noise higher because the gap between wind wheel and preceding volute tongue is too small, sternly
Howling can be generated when weight.Therefore, circulation efficiency, air quantity and the noise by comprehensive consideration air-flow near preceding volute tongue, setting
For 0.035D0≤δ≤0.065D0.Such as it is set as 0.035D0、0.04D0、0.045D0、 0.05D0、0.06D0、0.065D0.Together
When, by δ < A1B1, A1Minimum clearance δ is set smaller than this at the passway of preceding volute tongue return air for the last point of preceding volute tongue
The gap width of return air channel mouth, it is more smoothly also for airflow is made, it prevents from producing at the passway of preceding volute tongue return air
It is raw to hinder to form noise.In this way, the technical solution of the application is able to ascend the working efficiency of cross flow fan, noise is reduced.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, the structure that can also be shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the structural schematic diagram of one embodiment of the utility model air conditioner indoor unit；
Fig. 2 is the structural schematic diagram of one embodiment of the utility model cross flow fan；
Fig. 3 is the structural schematic diagram of another embodiment of the utility model cross flow fan.
Drawing reference numeral explanation:
| Label | Title | Label | Title |
| 100 | Air conditioner indoor unit | 11b | Air duct lower wall |
| 10 | Cross flow fan | 13 | Preceding volute tongue |
| 10a | Air inlet | 15 | Wind wheel |
| 10b | Air outlet | 30 | Shell |
| 11 | Spiral case | 50 | Heat exchanger |
| 11a | Air duct upper wall |
The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, fall within the protection scope of the utility model.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute in the utility model embodiment
It is only used for explaining in relative positional relationship, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, such as
When the fruit particular pose changes, then directionality instruction also correspondingly changes correspondingly.
In the present invention unless specifically defined or limited otherwise, term " connection ", " fixation " etc. should do broad sense reason
Solution, for example, " fixation " may be a fixed connection, may be a detachable connection, or integral；It can be mechanical connection, it can also
To be electrical connection；It can be directly connected, the connection inside two elements can also be can be indirectly connected through an intermediary
Or the interaction relationship of two elements, unless otherwise restricted clearly.It for the ordinary skill in the art, can be with
The concrete meaning of above-mentioned term in the present invention is understood as the case may be.
In addition, the description for being such as related to " first ", " second " in the present invention is used for description purposes only, and cannot manage
Solution is its relative importance of indication or suggestion or the quantity for implicitly indicating indicated technical characteristic.Define as a result, " the
One ", the feature of " second " can explicitly or implicitly include at least one of the features.In addition, the skill between each embodiment
Art scheme can be combined with each other, but must be based on can be realized by those of ordinary skill in the art, when technical solution
It will be understood that the combination of this technical solution is not present in conjunction with there is conflicting or cannot achieve when, also not in the utility model
It is required that protection scope within.
The utility model proposes a kind of air conditioner indoor unit 100.The air conditioner indoor unit 100 can be wall-hanger, can also be vertical
Cabinet-type air conditioner.
Referring to figs. 1 to 2, in an embodiment of the utility model, including shell 30, the cross flow fan in shell 30
10 and the heat exchanger 50 in shell 30, shell 30 is equipped with air inlet 10a and air outlet 10b, cross flow fan 10 and heat exchange
Device 50 is between air inlet 10a and air outlet 10b；
Cross flow fan 10 includes spiral case 11 and the wind wheel 15 in spiral case 11, and spiral case 11 includes air duct upper wall 11a and wind
Road lower wall 11b forms connection exhaust air flue between air duct upper wall 11a and air duct lower wall 11b, air duct upper wall 11a is close to air inlet
One end bending of 10a is formed with preceding volute tongue 13, and preceding volute tongue 13 extends towards the air inlet, and is directed away from the direction of wind wheel 15
It is extended；
The cross flow fan 10 includes spiral case 11, preceding volute tongue 13 and wind wheel 15, shape between the spiral case 11 and preceding volute tongue 13
At having air inlet 10a and air outlet 10b, the wind wheel 15 is between the air inlet 10a and the air outlet 10b；
On the cross section of the cross flow fan 10, the setting of preceding volute tongue 13 arc-shaped curve defines the outer of the wind wheel 15
The diameter of edge is D0, the center of circle for defining the wind wheel 15 is point O, point Ai(i=1~n) is several on preceding 13 surface of volute tongue
Point, AnFor the starting point of the free end of preceding volute tongue 13, A1For the last point of preceding volute tongue 13, line segment AiBiIndicate point AiIt is vertical with wind wheel 15
Distance, intersection point point are Bi；
The lowest distance value for defining wind wheel 15 and preceding volute tongue 13 is δ, δ=Min { A1B1, A2B2, A3B3... AiBi…AnBn,
0.035D0≤δ≤0.065D0, and δ < A1B1。
Line segment AiBiIndicate point AiWith the vertical range of wind wheel 15, intersection point point is Bi, point O, B known to geometric knowledgei、Ai?
On same straight line, and AiBiThe point A of as preceding volute tongue 13iTo the minimum range of 15 outer rim of wind wheel.
Technical solutions of the utility model are by setting arc for preceding volute tongue 13, when generating eccentric vortex, the gas of eccentric vortex
Stream can reduce windage more smoothly for passing through at preceding volute tongue 13.So that eccentric vortex is formed close at preceding volute tongue 13.
Then, further by the way that the lowest distance value δ between wind wheel 15 and preceding volute tongue 13 to be arranged are as follows: 0.035D0≤δ≤
0.065D0, δ is in the value range, when δ value is more than 0.065D0When, because conference is crossed in the gap between wind wheel 15 and preceding volute tongue 13
So that flow leakage is serious, air quantity is caused to be decayed.When δ value is less than 0.035D0When, because of the gap between wind wheel 15 and preceding volute tongue 13
It is too small and cause level of noise higher, howling can be generated when serious.Therefore, through comprehensive consideration air-flow near preceding volute tongue 13
Circulation efficiency, air quantity and noise, are set as 0.035D0≤δ≤0.065D0.Such as it is set as 0.035D0、0.04D0、0.045D0、
0.05D0、0.06D0、0.065D0.Meanwhile by δ < A1B1, A1For the last point of preceding volute tongue 13, positioned at the channel of preceding 13 return air of volute tongue
At mouthful, minimum clearance δ is set smaller than to the gap width of the return air channel mouth, it is more smoothly also for airflow is made,
It prevents from generating at the passway of preceding 13 return air of volute tongue and hinders to form noise.In this way, the technical solution of the application can mention
The working efficiency of cross flow fan 10 is risen, noise is reduced.
In conjunction with referring to Fig. 2, in the embodiment of the application, the distance value of wind wheel 15 and preceding volute tongue 13 is from point A1To point An
It is arranged in being gradually reduced.
Also it can be expressed as: A1B1> A2B2> A3B3> ... AiBi> ... AnBn。A1B1Positioned at the logical of preceding 13 return air of volute tongue
At road junction, wind-force is stronger at the passway of preceding 13 return air of volute tongue, therefore, by A1B1It is set as maximum, then wind-force is decayed step by step,
Distance value also gradually becomes smaller, until AnBnDistance value it is minimum, as 0.035D0≤ δ=AnBn≤0.065D0。
Further, in point A1To point AnDirection on adjoining two o'clock be AkAnd Ak+1, 1.005≤AkBk/Ak+1Bk+1≤
1.110, (k=1,2,3 ..., n-1).
That is, 1.005Ak+1Bk+1≤AkBk≤1.11Ak+1Bk+1, that is, two sections adjacent of distance value is not easy to differ
Greatly, AkBk> 1.11Ak+1Bk+1The variation of distance value is excessive, causes air output uneven and generates noise.Two sections adjacent of distance
Value is not easy to differ too small, too small AkBk< 1.005Ak+1Bk+1The variation of distance value is too small, can not effective wind-guiding so that before entire
The length of volute tongue increases.Therefore it is set as 1.005Ak+1B k+1≤AkBk≤1.11Ak+1Bk+1, such as AkBkEqual to 1.005Ak+ 1Bk+1、1.01Ak+1Bk+1、1.055Ak+1B k+1、1.1Ak+1Bk+1、1.11Ak+1Bk+1, which can guarantee preceding volute tongue 13
It is uniform with 15 gap transition of wind wheel, it is ensured that the reliability of sound quality.
It may be arranged as in another embodiment of the application in conjunction with referring to Fig. 3: the wind wheel 15 and preceding volute tongue 13
Distance value from point A1To point AnIt is gradually increased setting again in being gradually reduced.
Also it can be expressed as: A1B1> A2B2> A3B3> ... AiBi< ... AnBn。A1B1Positioned at the logical of preceding 13 return air of volute tongue
At road junction, wind-force is stronger at the passway of preceding 13 return air of volute tongue, therefore, by A1B1It is set as maximum, then wind-force is decayed step by step,
Distance value also gradually becomes smaller, until AiBiDistance value it is minimum, as 0.035D0≤ δ=AiBi≤0.065D0.Then again by AiBiExtremely
AnBnIt is set as distance value in section to be gradually increased, preceding 13 curve of volute tongue can effectively reduce tonal noise, reduction is made an uproar under the rule
The sharpness of sound improves air-supply sound quality.
Further, the point of the lowest distance value between preceding 13 curve of volute tongue and wind wheel 15 is Amin, the last point A of preceding volute tongue1
With point AminBetween curve correspond to the wind wheel center of circle formed end packet sweep angle β1, the starting point A of preceding volute tonguenWith point AminBetween curve
The corresponding wind wheel center of circle forms front end packet sweep angle β2, 0.55≤β1/β2≤3.65。
That is, ∠ A1OAminWith ∠ AnOAminRatio range meet 0.55 to 3.65.As end packet sweep angle β1It is wrapped with front end
Sweep angle β2Ratio it is too small, when less than 0.55, then before volute tongue it is too short to the distance between smallest point from end point, then air-flow passes through last
Point A1When return air, speed can be promoted suddenly, increase noise.As end packet sweep angle β1With front end packet sweep angle β2Ratio it is excessive, be less than
When 3.65, then preceding volute tongue is too short the distance between from starting point to smallest point, then when such air-flow passes through, can not be effectively reduced and make an uproar
Sound.Therefore it is set as 0.55≤β1/β2≤ 3.65, such as β1Equal to 0.55 β2、0.6β2、0.65β2、β2、2β2、2.5β2、3β2、
3.5β2、3.65β2。
Further, the last point A of preceding volute tongue 131The distance between wind wheel 15 value is greater than the last point A of the preceding volute tongue 13n
The distance between described wind wheel 14 value.Namely A1B1The distance between value be greater than AnBnThe distance between value.Air-flow is passing through A1
To AiAfter section accelerates, further through AiTo AnDuan Jinhang reduction of speed, at this time to reduce noise, while by AnBnDistance value be less than A1B1It
Between distance value enough be effectively vortexed of wind power energy can be made to bring back at air outlet 10b.
When wind wheel 15 works, the process of air-flow volute tongue 13 before impact is entire can play buffer function, effectively reduce
Gas-flow resistance, while the position of eccentric vortex can be closer to preceding volute tongue 13, the regurgitant volume at air outlet 10b is reduced, and increases wind
Amount promotes heat transfer effect.
In conjunction with Fig. 1 to Fig. 3, in the embodiment of the application, point AnIn the lower section for the horizontal plane for crossing O point.
So set, namely preceding volute tongue 13 entirety 15 center of wind wheel horizontal plane lower section, formed eccentric vortex
When, closer to preceding volute tongue 13, the regurgitant volume at air outlet 10b is reduced eccentric vortex, increases air quantity, promotes heat transfer effect.
In the embodiment of the application, the free end starting point A of preceding volute tongue 13nWith the line of O point and the level of O point excessively
The value range of angle α between face are as follows: 30 °≤α≤70 °.Referring to Fig. 2, defined O point horizontal plane and the wind wheel 15 it
The intersection point of outer rim is C point, it can be understood as ∠ COAnFor α, 30 °≤α≤70 °.
The position also for control eccentric vortex is arranged such, when α is less than 30 °, eccentric vortex is far from air outlet 10b, outlet air
Resistance increases.When α is greater than 70 °, eccentric vortex can closely upset passing through for primary air apart from air outlet 10b excessively.Therefore, 30 ° are set as
≤ α≤70 °, such as 30 °, 35 °, 40 °, 50 °, 60 °, 70 °.
In the embodiment of the application, the development length of preceding volute tongue 13 corresponds to 15 center of circle of wind wheel and is formed by packet sweep angle β
Value range are as follows: 15 °≤β≤40 °.It can be understood as ∠ A1OAnFor β, 15 °≤β≤40 °.
The position also for control eccentric vortex is arranged such, packet sweep angle β value is bigger, the length of corresponding preceding volute tongue 13
Longer, because eccentric vortex is generated mainly around at preceding volute tongue 13, when β is more than 40 °, the eccentric vortex of generation is larger, reduces air outlet
Gas output at 10b.β value is smaller, then can not effectively guide air-flow when β value is less than 15 °, and be easy to produce noise.Therefore, it is arranged
For 15 °≤β≤40 °, such as 15 °, 20 °, 25 °, 30 °, 35 °, 40 °.
It is understood that in this application, above-mentioned parameter may be used in combination, it can be effectively reduced that wind wheel 15 is discrete to make an uproar
Sound weakens the sharpness of noise, improves the sound quality integrally blown, and control eccentric vortex is located closer to preceding volute tongue 13, promotes wind
Amount, gives full play to whole air duct performance.The existing preceding volute tongue 13 of contrast verification and volute tongue 13 before the utility model, with revolving speed leeward
Amount promotes 45m3/ h declines 1.3dB with noise under air quantity.
The utility model also proposes a kind of air conditioner, which includes air conditioner indoor unit 100, the air conditioner indoor unit 100
Specific structure referring to above-described embodiment, since this air conditioner indoor unit 100 uses whole technical sides of above-mentioned all embodiments
Case, therefore at least all beneficial effects brought by the technical solution with above-described embodiment, this is no longer going to repeat them.The sky
Adjusting device further includes air-conditioner outdoor unit, is connect with air conditioner indoor unit 100 by medium circulation pipeline and conducting wire.
The above is only the preferred embodiment of the present invention, and therefore it does not limit the scope of the patent of the utility model,
Under all utility models in the utility model are conceived, equivalent structure made based on the specification and figures of the utility model
Transformation, or directly/be used in other related technical areas indirectly and be included in the scope of patent protection of the utility model.
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 wind wheel in the spiral case, and the spiral case includes under air duct upper wall and air duct
Wall forms connection exhaust air flue between the air duct upper wall and air duct lower wall, the air duct upper wall is close to the one of the air inlet
End bending is formed with preceding volute tongue, and the preceding volute tongue extends towards the air inlet, and the direction for being directed away from wind wheel is extended；
On the cross section of the cross flow fan, the preceding arc-shaped curve setting of volute tongue defines the straight of the outer rim of the wind wheel
Diameter is D0, the center of circle for defining the wind wheel is point O, point Ai(i=1~n) is to be located at A on preceding volute tongue curve1And AnSeveral
Point, AnFor the starting point of the free end of preceding volute tongue, A1For the last point of preceding volute tongue, line segment AiBiIndicate point AiWith the vertical range of wind wheel,
Intersection point point is Bi；
The lowest distance value for defining wind wheel and preceding volute tongue is δ, δ=Min { A1B1, A2B2, A3B3... AiBi…AnBn,
0.035D0≤δ≤0.065D0, and δ < A1B1。
2. air conditioner indoor unit as described in claim 1, which is characterized in that the distance value of the wind wheel and preceding volute tongue is from point A1It arrives
Point AnIt is arranged in being gradually reduced.
3. air conditioner indoor unit as claimed in claim 2, which is characterized in that in point A1To point AnDirection on adjoining two o'clock
For AkAnd Ak+1, 1.005≤AkBk/Ak+1Bk+1≤ 1.110, (k=1,2,3 ..., n-1).
4. air conditioner indoor unit as described in claim 1, which is characterized in that the distance value of the wind wheel and preceding volute tongue is from point A1It arrives
Point AnIt is gradually increased setting again in being gradually reduced.
5. air conditioner indoor unit as claimed in claim 4, which is characterized in that between the preceding volute tongue curve and the wind wheel most
The point of small distance value is Amin, the last point A of the preceding volute tongue1With the point AminBetween curve correspond to the wind wheel center of circle and formed
End packet sweep angle β1, the starting point A of the preceding volute tonguenWith the point AminBetween curve correspond to the wind wheel center of circle and form front end packet
Sweep angle β2, 0.55≤β1/β2≤3.65。
6. air conditioner indoor unit as claimed in claim 4, which is characterized in that the last point A of the preceding volute tongue1Between the wind wheel
Distance value be greater than the last point A of the preceding volute tonguenThe distance between described wind wheel value.
7. the air conditioner indoor unit as described in any one of claim 1 to 6, which is characterized in that the point AnIn the water for crossing O point
The lower section of plane.
8. air conditioner indoor unit as claimed in claim 7, which is characterized in that the free end starting point A of the preceding volute tonguenWith the company of O point
The value range of angle α between line and the horizontal plane for crossing O point are as follows: 30 °≤α≤70 °.
9. air conditioner indoor unit as claimed in claim 7, which is characterized in that the development length of the preceding volute tongue corresponds to the wind wheel
The center of circle is formed by the value range of packet sweep angle β are as follows: 15 °≤β≤40 °.
10. a kind of air conditioner, which is characterized in that including the air conditioner indoor unit as described in any in claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821948638.8U CN209042569U (en) | 2018-11-23 | 2018-11-23 | Air conditioner indoor unit and air conditioner |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821948638.8U CN209042569U (en) | 2018-11-23 | 2018-11-23 | Air conditioner indoor unit and air conditioner |
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| Publication Number | Publication Date |
|---|---|
| CN209042569U true CN209042569U (en) | 2019-06-28 |
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ID=67043447
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| CN201821948638.8U Active CN209042569U (en) | 2018-11-23 | 2018-11-23 | Air conditioner indoor unit and air conditioner |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109595690A (en) * | 2018-11-23 | 2019-04-09 | 广东美的制冷设备有限公司 | Air conditioner indoor unit and air conditioner |
| CN114877513A (en) * | 2022-05-30 | 2022-08-09 | 海信（广东）空调有限公司 | Indoor machine of air conditioner |
| CN109595690B (en) * | 2018-11-23 | 2024-04-26 | 广东美的制冷设备有限公司 | Air conditioner indoor unit and air conditioner |
-
2018
- 2018-11-23 CN CN201821948638.8U patent/CN209042569U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109595690A (en) * | 2018-11-23 | 2019-04-09 | 广东美的制冷设备有限公司 | Air conditioner indoor unit and air conditioner |
| CN109595690B (en) * | 2018-11-23 | 2024-04-26 | 广东美的制冷设备有限公司 | Air conditioner indoor unit and air conditioner |
| CN114877513A (en) * | 2022-05-30 | 2022-08-09 | 海信（广东）空调有限公司 | Indoor machine of air conditioner |
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