CN107939735A - Spiral case and there is its indoor apparatus of air conditioner, air conditioner - Google Patents
Spiral case and there is its indoor apparatus of air conditioner, air conditioner Download PDFInfo
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- CN107939735A CN107939735A CN201711377551.XA CN201711377551A CN107939735A CN 107939735 A CN107939735 A CN 107939735A CN 201711377551 A CN201711377551 A CN 201711377551A CN 107939735 A CN107939735 A CN 107939735A
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- Prior art keywords
- exhaust air
- air flue
- spiral case
- windshied
- case according
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- 238000005452 bending Methods 0.000 claims abstract description 4
- 239000012530 fluid Substances 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 2
- 230000005494 condensation Effects 0.000 abstract description 11
- 238000009833 condensation Methods 0.000 abstract description 11
- 230000000694 effects Effects 0.000 description 7
- 238000004378 air conditioning Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 241000237858 Gastropoda Species 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
- F04D29/4226—Fan casings
- F04D29/4233—Fan casings with volutes extending mainly in axial or radially inward direction
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
- F04D17/02—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps having non-centrifugal stages, e.g. centripetal
- F04D17/04—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps having non-centrifugal stages, e.g. centripetal of transverse-flow type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
- F04D29/4226—Fan casings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/44—Fluid-guiding means, e.g. diffusers
- F04D29/441—Fluid-guiding means, e.g. diffusers especially adapted for elastic fluid pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/668—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps damping or preventing mechanical vibrations
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/68—Combating cavitation, whirls, noise, vibration or the like; Balancing by influencing boundary layers
- F04D29/681—Combating cavitation, whirls, noise, vibration or the like; Balancing by influencing boundary layers especially adapted for elastic fluid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2250/00—Geometry
- F05D2250/50—Inlet or outlet
- F05D2250/52—Outlet
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air-Flow Control Members (AREA)
Abstract
The invention discloses a kind of spiral case and there is its indoor apparatus of air conditioner, air conditioner, there is volute tongue formed with the exhaust air flue for housing the wind chamber of wind wheel and being connected with the wind chamber, the spiral case in the spiral case, the volute tongue includes：Part I, the Part I adjacent to the exhaust air flue ducting outlet and form a part for the internal face of the exhaust air flue；Part II, the Part II are connected to form bending structure adjacent to the wind wheel and with the Part I；At least one windshied part, the windshied part are connected and projecting inward to the exhaust air flue with the Part I, and each windshied part is located at horizontal one end of the exhaust air flue respectively.Volute structure according to embodiments of the present invention is simple, the problem of can effectively preventing return air, improve surge and condensation, is conducive to improve the use feeling of user.
Description
Technical field
The present invention relates to air conditioner technical field, more particularly, to a kind of spiral case and has its indoor apparatus of air conditioner, sky
Adjust device.
Background technology
In the related art, during the deficiency in draught of the air inlet of air-conditioning, outlet air occurs in the regional area at air-conditioning volute tongue
Unstable, the air outside air outlet can be passed back into air outlet, cause surge phenomenon occur, air conditioner noises are larger.In addition, air-conditioning
Under refrigerating state, easily there is condensation in volute tongue region.Surge and condensation can all cause air-conditioning in routine use to user with
Carry out very bad user experience.
The content of the invention
It is contemplated that at least solve one of technical problem existing in the prior art.For this reason, the present invention proposes a kind of snail
The problem of shell, the spiral case can be effectively improved surge and condensation.
The invention also provides a kind of indoor apparatus of air conditioner with above-mentioned spiral case.
The invention also provides a kind of air conditioner with above-mentioned spiral case.
Formed with for housing the wind chamber of wind wheel and going out with what the wind chamber connected in spiral case according to embodiments of the present invention
Wind air passage, the spiral case have volute tongue, and the volute tongue includes：Part I, the Part I is adjacent to the exhaust air flue
Ducting outlet and the part for forming the internal face of the exhaust air flue；Part II, the Part II is adjacent to the wind wheel
And it is connected to form bending structure with the Part I；At least one windshied part, the windshied part are connected with the Part I
And it is projecting inward to the exhaust air flue, each windshied part is located at horizontal one end of the exhaust air flue respectively.
Volute structure according to embodiments of the present invention is simple, the problem of can effectively preventing return air, improve surge and condensation,
Be conducive to improve the use feeling of user.
In addition, spiral case according to the above embodiment of the present invention can also have technical characteristic additional as follows：
Spiral case according to an embodiment of the invention, the cross section of the exhaust air flue is formed as strip, described to keep out the wind
Portion is two and is located at the horizontal length both ends of the exhaust air flue respectively, and each windshied part is substantially along the outlet air wind
The horizontal length direction in road extends into strip.
Further, one end away from each other of two windshied parts extends respectively to the horizontal of the exhaust air flue
The internal face at length both ends.
According to some embodiments of the present invention, the horizontal length direction of the exhaust air flue is left and right directions, two institutes
State the left and right ends that windshied part is respectively provided at the upper wall surface of the exhaust air flue.
In some embodiments of the invention, each windshied part is on the horizontal length direction of the exhaust air flue
The size L of extension is 60mm-90mm.
According to some embodiments of the present invention, each windshied part protrudes from the height of the internal face of the Part I
H is 1mm-8mm.
In some embodiments of the invention, the windshied part is set adjacent to the ducting outlet.
Further, the windshied part is D apart from the distance of the ducting outlet, and the volute tongue is in the flow direction of fluid
The size of upper extension is L0, wherein, D=1/4L0-1/2L0.
Further, the Part I linearly extends and development length is equal to L0.
According to some embodiments of the present invention, the windshied part is integrally formed on the Part I.
Indoor apparatus of air conditioner according to embodiments of the present invention includes spiral case according to embodiments of the present invention.
Air conditioner according to embodiments of the present invention includes spiral case according to embodiments of the present invention.
The additional aspect and advantage of the present invention will be set forth in part in the description, and will partly become from the following description
Obtain substantially, or recognized by the practice of the present invention.
Brief description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become in the description from combination accompanying drawings below to embodiment
Substantially and it is readily appreciated that, wherein：
Fig. 1 is the structure diagram of an angle of spiral case according to embodiments of the present invention；
Fig. 2 is that Fig. 1 centre circles show enlarged structure schematic diagram at A；
Fig. 3 is the structure diagram of another angle of spiral case according to embodiments of the present invention；
Fig. 4 is that Fig. 3 centre circles show enlarged structure schematic diagram at C；
Fig. 5 is the sectional view in direction shown in Fig. 1 along line B-B；
Fig. 6 is that Fig. 5 centre circles show enlarged structure schematic diagram at D.
Reference numeral：
Spiral case 100；
Wind chamber 11；Exhaust air flue 12；Ducting outlet 121；
Volute tongue 20；Part I 201；Part II 202；Windshied part 203.
Embodiment
The embodiment of the present invention is described below in detail, the example of the embodiment is shown in the drawings.Below with reference to
The embodiment of attached drawing description is exemplary, it is intended to for explaining the present invention, and is not considered as limiting the invention, ability
The those of ordinary skill in domain can carry out a variety of changes in the case where not departing from the principle of the present invention and objective to these embodiments
Change, change, replacing and modification, the scope of the present invention are limited by claim and its equivalent.
In the description of the present invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
The orientation or position relationship of the instruction such as " thickness ", " on ", " under ", "front", "rear", "left", "right", " interior ", " outer " are based on attached
Orientation or position relationship shown in figure, are for only for ease of and describe the present invention and simplify description, rather than indicate or imply and is signified
Device or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to the present invention
Limitation.In addition, " first " is defined, the feature of " second " can be expressed or implicitly includes one or more spy
Sign.In the description of the present invention, unless otherwise indicated, " multiple " are meant that two or more.
Spiral case 100 according to embodiments of the present invention is described below with reference to Fig. 1-Fig. 6.
With reference to shown in Fig. 1-Fig. 6, wind chamber 11 and exhaust air flue are could be formed with spiral case 100 according to embodiments of the present invention
12, wind chamber 11 can be used for accommodating wind wheel (not shown), and exhaust air flue 12 can be connected with wind chamber 11.Spiral case 100 can be with
With volute tongue 20, volute tongue 20 can include：Part I 201, Part II 202 and windshied part 203.
Specifically, Part I 201 can neighbouring exhaust air flue 12 ducting outlet 121, and Part I 201 can be with
Form a part for the internal face of exhaust air flue 12.Part II 202 can neighbouring wind wheel, and Part II 202 can be with the
A part 201 is connected to form bending structure.Thus, air-flow enters exhaust air flue 12, volute tongue under the driving of wind wheel by wind chamber 11
20 Part I 201 can be oriented to the air-flow in wind chamber 11, and Part II 202 can be to the gas in exhaust air flue 12
Stream is oriented to, and air-flow flowing is more smooth.
Windshied part 203 can be connected with Part I 201, and windshied part 203 can be projecting inward to exhaust air flue 12, also
To say, windshied part 203 can be located in exhaust air flue 12, and windshied part 203 protrude from Part I 201 towards exhaust air flue
12 internal face.
In actual use, then air-flow is discharged by air inlet into air-inlet chamber by ducting outlet.Work as air inlet
Deficiency in draught when, the air outside ducting outlet can overcome outlet air wind pressure to flow into exhaust air flue, and return air causes surge phenomenon occur,
Noise is larger, and when air-conditioning is in refrigerating state, when the outlet air wind pressure of exhaust air flue is weaker, air-flow velocity is relatively low, easily goes out
Existing dew condensation phenomenon.
And the windshied part 203 in the present invention can stop the air at ducting outlet 121, ducting outlet is prevented
Air outside 121 enters exhaust air flue 12, avoids the generation of surge phenomenon, can reduce noise.And in the rotating speed one of wind wheel
Periodically, the windshied part 203 in exhaust air flue 12 can reduce the circulation area of exhaust air flue 12, so as to increase windshied part
The wind pressure of outlet air air-flow at 203, further prevents the air outside ducting outlet 121 from overcoming outlet air wind pressure to enter exhaust air flue 12
Cause surge, meanwhile, user's use feeling can be improved to avoid dew condensation phenomenon by improving outlet air wind pressure and changing wind field.
In addition, in actual use, it is stronger in the horizontal middle part outlet air wind pressure of exhaust air flue 12, in exhaust air flue 12
Horizontal both ends outlet air wind pressure is weaker, easily occurs the phenomenon that return air causes surge at the horizontal both ends of exhaust air flue 12, by
This, windshied part 203 can be located at horizontal one end of exhaust air flue 12, and the horizontal middle part for both not interfered with exhaust air flue 12 goes out
Wind air quantity, windshied part 203 can change the wind field of horizontal one end of exhaust air flue 12 again, prevent return air, and then improve surge
Problem.
It should be noted that in the present invention, the quantity of windshied part 203 can need flexibly to set according to actual conditions,
For example, windshied part 203 can be one, two, three or more.One windshied part 203 can be located at exhaust air flue 12
Horizontal one end；Two windshied parts 203 can be located at the horizontal both ends of exhaust air flue 12 respectively；In three windshied parts 203
One horizontal one end that can be located at exhaust air flue 12, another two can be located at the horizontal other end of exhaust air flue 12, and be located at
Two windshied parts 203 of the same end can be along the transversely arranged of exhaust air flue 12, can also be along the horizontal stroke perpendicular to exhaust air flue 12
To direction arrange, this is both fallen within protection scope of the present invention.In other words, volute tongue 20 includes at least one windshied part 203,
Each windshied part 203 can be located at horizontal one end of exhaust air flue 12 respectively.
Spiral case 100 according to embodiments of the present invention has new 20 structure of volute tongue, simple in structure, being capable of effectively anti-non-return
The problem of wind, improvement surge and condensation, be conducive to improve the use feeling of user.
Spiral case 100 according to an embodiment of the invention, the cross section of exhaust air flue 12 can be formed as strip, also
It is to say, the part of the formation exhaust air flue 12 of spiral case 100 can be formed as strip.Windshied part 203 can be two, and two
Windshied part 203 can be located at the horizontal length both ends of exhaust air flue 12 respectively, and as Figure 1-Figure 4, each windshied part 203 can
Strip is extended into the horizontal length direction substantially along exhaust air flue 12, can be used for the scope bigger of backstop return air, is prevented
The effect of non-return wind is more preferable.
Further, one end away from each other of two windshied parts 203 can extend respectively to the transverse direction of exhaust air flue 12
Length both ends internal face, that is to say, that windshied part 203 and outlet air wind close to horizontal length one end of exhaust air flue 12
The internal face of this one end in road 12 only supports, it is understood that is that two windshied parts 203 are respectively by the horizontal length of exhaust air flue 12
Degree both ends start to extend into strip along the horizontal length direction of exhaust air flue 12.Thus, the setting scope bag of windshied part 203
The horizontal length both ends for including exhaust air flue 12 are easiest to the position for return air phenomenon occur, and windshied part 203 prevents return air effect more
It is good.
It should be noted that the horizontal length direction of exhaust air flue 12 can be left and right directions here, i.e., in actual peace
For dress in use, the transverse direction of exhaust air flue 12 extends in left-right direction, left and right directions as shown in Figure 1 is the length of strip
Direction.Two windshied parts 203 can be respectively provided at the left and right ends of the upper wall surface of exhaust air flue 12, the Part I of volute tongue 20
201 may be constructed a part for the upper wall surface of exhaust air flue 12, and the structure of spiral case 100 is simple.
In addition, the size L that windshied part 203 extends on the horizontal length direction of exhaust air flue 12 can be 60mm-
90mm, windshied part can be flexibly set according to factors such as the horizontal length dimensions, air-out volume, outlet air wind pressure of exhaust air flue 12
203 extension size L.For example, in some specific embodiments of the present invention, windshied part 203 is horizontal exhaust air flue 12
The size L extended on length direction can be respectively 60mm, 70mm, 80mm or 90mm etc., this is all in the protection model of the present invention
Within enclosing.
The effect of return air and condensation is prevented to improve spiral case 100, and windshied part 203 protrudes from the internal face of Part I 201
Height H can also according to actual conditions need flexibly set.The height H of windshied part 203 is too low, does not reach the effect for preventing return air
Fruit, the height H of windshied part 203 is excessive, can influence the air output of exhaust air flue 12, thus, in the present invention, each windshied part
The 203 height H for protruding from the internal face of Part I 201 can be 1mm-8mm, for example, in some specific implementations of the present invention
In example, height H that each windshied part 203 protrudes from the internal face of Part I 201 can be respectively 1mm, 2mm, 4mm, 6mm or
Person 8mm etc..
It should be noted that in the present invention, the height H of windshied part 203 is with windshied part 203 perpendicular to exhaust air flue 12
Horizontal length direction section (section of the windshied part 203 i.e. shown in Fig. 6) shape it is unrelated, windshied part 203 protrudes from
The height H of the internal face of Part I 201 can be understood as windshied part 203 in the side of the internal face perpendicular to Part I 201
The distance of upward highs and lows.
In specific embodiment as shown in Figure 6, windshied part 203 is in the horizontal length direction perpendicular to exhaust air flue 12
Cross sectional shape generally perpendicular to Part I 201 internal face rectangle, windshied part 203 is formed as perpendicular to first
Divide the rectangle block reinforcement of 201 internal face, rectangle is windshied part in the development length of the internal face perpendicular to Part I 201
203 height.Certainly, in some unshowned embodiments of the present invention, windshied part 203 can also be to favour Part I
The strip block reinforcement that 201 internal face is set, the height of windshied part 203 is then in the side of the internal face perpendicular to Part I 201
Upwards, the distance between the highest point and the lowest point of strip plate.
In addition, windshied part 203 be not limited in the cross sectional shape of the horizontal length direction perpendicular to exhaust air flue 12 it is rectangular
Shape, for example, in other embodiments of the present invention, windshied part 203 is in the horizontal length direction perpendicular to exhaust air flue 12
Cross sectional shape can also be triangle, it is trapezoidal or semicircle etc..
In some embodiments of the invention, as shown in Figure 5 and Figure 6, windshied part 203 can be set adjacent to ducting outlet 121
Put, make the effect that windshied part 203 prevents return air more preferable.Specifically, windshied part 203 is D apart from the distance of ducting outlet 121, snail
The size that tongue 20 extends on the flow direction of fluid is L0, wherein, D=1/4L0-1/2L0.For example, in some of the invention
In specific embodiment, windshied part 203 is that D can be 1/4L0,1/3L0 or 1/2L0 etc. apart from the distance of ducting outlet 121.
It should be noted that the transverse direction of exhaust air flue 12 i.e. the cross section of exhaust air flue 12 extend perpendicularly to
The flow direction of fluid, the longitudinal direction of exhaust air flue 12 is the flow direction of fluid, the direction as shown in arrow in Fig. 5 and Fig. 6.
Further embodiment according to the present invention, as shown in fig. 6, Part I 201 can linearly extend, also
It is to say, Part I 201 can be along longitudinal linear extension of the flow direction of fluid, i.e. exhaust air flue 12, and Part I 201
Development length be equal to L0.
According to some embodiments of the present invention, the Part I 201 of volute tongue 20 and windshied part 203 can be split part, gear
Wind portion 203 is fixedly connected with Part I 201, and certainly, windshied part 203 can also be integrally formed on Part I 201, and first
Part 201 is integrated part with windshied part 203, can improve the bonding strength of Part I 201 and windshied part 203, reduces assembling
Process, easy to simplify manufacturing process, improves production efficiency.In addition, the Part I 201 and Part II 202 of volute tongue 20 also may be used
Think split part, Part I 201 is fixedly connected with Part II 202, or Part I 201 and Part II 202 are one
Body part, can simplify manufacturing process, improve production efficiency.
Indoor apparatus of air conditioner according to embodiments of the present invention includes spiral case 100 according to embodiments of the present invention.Due to according to this
The spiral case 100 of inventive embodiments has above-mentioned beneficial technique effect, therefore indoor apparatus of air conditioner knot according to embodiments of the present invention
Structure is simple, the problem of can effectively preventing return air, improve surge and condensation, is conducive to improve the use feeling of user.
Air conditioner according to embodiments of the present invention includes spiral case 100 according to embodiments of the present invention.Due to according to the present invention
The spiral case 100 of embodiment has above-mentioned beneficial technique effect, therefore air conditioner structure according to embodiments of the present invention is simple, energy
The problem of enough effectively preventing return air, improving surge and condensation, be conducive to improve the use feeling of user.
Spiral case 100, indoor apparatus of air conditioner and other compositions of air conditioner according to embodiments of the present invention and operation are for this
It is knowable for the those of ordinary skill in field, is not described in detail herein.
In the description of the present invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or be electrically connected；It can be directly connected, can also be indirectly connected by intermediary, Ke Yishi
Connection inside two elements.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in invention.
In the description of this specification, the description of reference term " embodiment ", " specific embodiment ", " example " etc. means to tie
Close the embodiment or example particular features, structures, materials, or characteristics described are contained at least one embodiment of the present invention
Or in example.In the present specification, schematic expression of the above terms may not refer to the same embodiment or example.And
And particular features, structures, materials, or characteristics described can not done in any one or more embodiments or example
Relate to, it is reconcilable in the case of can be combined with each other in an appropriate manner.
Claims (12)
1. a kind of spiral case, it is characterised in that formed with for housing the wind chamber of wind wheel and being connected with the wind chamber in the spiral case
Exhaust air flue, the spiral case has volute tongue, and the volute tongue includes：
Part I, the Part I is adjacent to the ducting outlet of the exhaust air flue and the internal face of the composition exhaust air flue
A part；
Part II, the Part II are connected to form bending structure adjacent to the wind wheel and with the Part I；
At least one windshied part, the windshied part is connected with the Part I and, Mei Gesuo projecting inward to the exhaust air flue
State horizontal one end that windshied part is located at the exhaust air flue respectively.
2. spiral case according to claim 1, it is characterised in that the cross section of the exhaust air flue is formed as strip, institute
Windshied part is stated as two and is located at the horizontal length both ends of the exhaust air flue respectively, each windshied part is substantially along described
The horizontal length direction of exhaust air flue extends into strip.
3. spiral case according to claim 2, it is characterised in that prolong respectively one end away from each other of two windshied parts
Extend the internal face at the horizontal length both ends of the exhaust air flue.
4. spiral case according to any one of claim 1-3, it is characterised in that the horizontal length side of the exhaust air flue
The left and right ends of the upper wall surface of the exhaust air flue are respectively provided to for left and right directions, two windshied parts.
5. spiral case according to claim 2, it is characterised in that each windshied part is in the horizontal of the exhaust air flue
The size L extended on length direction is 60mm-90mm.
6. spiral case according to claim 1, it is characterised in that each windshied part protrudes from the interior of the Part I
The height H of wall is 1mm-8mm.
7. spiral case according to claim 1, it is characterised in that the windshied part is set adjacent to the ducting outlet.
8. spiral case according to claim 7, it is characterised in that the windshied part is D apart from the distance of the ducting outlet,
The size that the volute tongue extends on the flow direction of fluid is L0, wherein, D=1/4L0-1/2L0.
9. spiral case according to claim 8, it is characterised in that the Part I linearly extends and development length
Equal to L0.
10. spiral case according to claim 1, it is characterised in that the windshied part is integrally formed on the Part I.
11. a kind of indoor apparatus of air conditioner, it is characterised in that including the spiral case according to any one of claim 1-10.
12. a kind of air conditioner, it is characterised in that including the spiral case according to any one of claim 1-10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711377551.XA CN107939735A (en) | 2017-12-19 | 2017-12-19 | Spiral case and there is its indoor apparatus of air conditioner, air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711377551.XA CN107939735A (en) | 2017-12-19 | 2017-12-19 | Spiral case and there is its indoor apparatus of air conditioner, air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107939735A true CN107939735A (en) | 2018-04-20 |
Family
ID=61941298
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711377551.XA Pending CN107939735A (en) | 2017-12-19 | 2017-12-19 | Spiral case and there is its indoor apparatus of air conditioner, air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107939735A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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