CN107576041A - Air-conditioning snail tongue, air conditioner room unit and air conditioner - Google Patents

Air-conditioning snail tongue, air conditioner room unit and air conditioner Download PDF

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Publication number
CN107576041A
CN107576041A CN201711052361.0A CN201711052361A CN107576041A CN 107576041 A CN107576041 A CN 107576041A CN 201711052361 A CN201711052361 A CN 201711052361A CN 107576041 A CN107576041 A CN 107576041A
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China
Prior art keywords
snail tongue
air
wind
conditioning
guiding
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Application number
CN201711052361.0A
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Chinese (zh)
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CN107576041B (en
Inventor
夏培均
杜永红
周奇杰
张仁亮
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Sichuan Changhong Air Conditioner Co Ltd
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Sichuan Changhong Air Conditioner Co Ltd
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Publication of CN107576041A publication Critical patent/CN107576041A/en
Application granted granted Critical
Publication of CN107576041B publication Critical patent/CN107576041B/en
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Abstract

The invention belongs to art of refrigeration units, specifically disclosing a kind of can effectively reduce wind noise and can avoid air-conditioning snail tongue, air conditioner room unit and the air conditioner for causing air-out to flow back.The air-conditioning snail tongue, including snail tongue body, snail tongue body are provided with wind-guiding face, are provided with the fuisw rib that multiple length directions along snail tongue body are spaced apart in wind-guiding face, formed with a guiding gutter between two fuisw ribs of arbitrary neighborhood;Guiding gutter is helicla flute or tipper.The air conditioner room unit includes above-mentioned air-conditioning snail tongue.The air conditioner includes above-mentioned air conditioner room unit.By spiral or the guiding gutter of incline structure, it on the one hand can make the surface for being close to fuisw rib into the air-flow border of guiding gutter, reduce the doping with surrounding flow, avoid larger energy hunting, reduce noise;On the other hand, air-flow is arranged outside guiding gutter, ensure that the uniformity of discharge air-flow, while can also avoid gas backstreaming.

Description

Air-conditioning snail tongue, air conditioner room unit and air conditioner
Technical field
The invention belongs to art of refrigeration units, and in particular to a kind of air-conditioning snail tongue, air conditioner room unit and air conditioner.
Background technology
Constantly improved with the living standard of people, requirement of the people to material also more and more higher;For air conditioner this A kind of daily necessities, people there has also been higher requirement to its outward appearance and quality.Client when noise is run as air conditioner The important indicator of experience, also has been to be concerned by more and more people.It has been investigated that noise when snail tongue is run to air conditioner room unit Generation have a great impact.Existing air-conditioning snail tongue, including it is in machine body and corresponding with spiral case for being disposed in the interior Snail tongue body, snail tongue body are wind-guiding face towards the one side at the center in spiral case, are provided with wind-guiding face multiple along snail tongue body The fuisw rib that is spaced apart of length direction, fuisw rib is along the circumferentially disposed of wind-guiding face, i.e., fuisw rib and snail tongue body is transversal Face is parallel to each other.Although existing air-conditioning snail tongue disclosure satisfy that the requirement of air conditioner, but due to its fuisw rib and snail tongue The cross section of body is parallel to each other, therefore cross section of the guiding gutter formed between adjacent guide muscle also with snail tongue body is It is parallel to each other, so the air-conditioning snail tongue of said structure noise reduction unobvious in use;Also, when wind speed is larger or passes through When flow fan rotating speed has fluctuation, impact of the air-flow to snail tongue is more obvious, in turn results in larger noise, while also can cause Wind flows back.
The content of the invention
Wind noise can be effectively reduced the technical problem to be solved in the present invention is to provide one kind and can avoid causing air-out The air-conditioning snail tongue of backflow.
The technical solution adopted for the present invention to solve the technical problems is:Air-conditioning snail tongue, including snail tongue body, the snail tongue Body is provided with wind-guiding face, and the fuisw rib that multiple length directions along snail tongue body are spaced apart is provided with the wind-guiding face, Formed with a guiding gutter between two fuisw ribs of arbitrary neighborhood;The guiding gutter is helicla flute or tipper;Work as guiding gutter For tipper when, the angle theta between the fuisw rib and snail tongue body cross-section is acute angle.
It is further that the wind-guiding face is U-shaped structure, it includes the first surface being connected smoothly successively together Section, the second curved sections and the 3rd curved sections;Each guiding gutter is parallel to each other.
It is further that the angle theta between the fuisw rib and snail tongue body cross-section is 27 °~40 °.
It is further that the fuisw rib is connected with wind-guiding face arc transition, the height of fuisw rib is 1mm~3mm.
It is further that fillet has been led at the seamed edge on the fuisw rib, the radius of the fillet is 0.3mm~0.6mm.
It is further that the snail tongue wind-guiding top surface being connected smoothly with wind-guiding face, institute are additionally provided with the snail tongue body State and the length direction of snail tongue body is provided with inclination gusset on snail tongue wind-guiding top surface, the upper end for tilting gusset is located at wind-guiding The upside in face, and the angle γ tilted between gusset and snail tongue wind-guiding top surface is acute angle.
It is further that one end of the fuisw rib is connected to towards the extension of inclination gusset and with tilting gusset arc transition Together.
It is further that the arc radius of arc transition structure of the connection fuisw rib with tilting gusset is 1mm~3mm;Institute It is 45 °~60 ° to state the angle γ tilted between gusset and snail tongue wind-guiding top surface.
Present invention also offers a kind of less air conditioner room unit of wind noise, including spiral case, indoor unit panel, through-flow Fan, C-shaped evaporator and cover plate of indoor unit;The spiral case is oppositely arranged with indoor unit panel, and the C-shaped evaporator is arranged on snail Between shell and indoor unit panel, the axial-flow fan is arranged between spiral case and C-shaped evaporator, and the cover plate of indoor unit is arranged on The bottom of indoor unit panel, air outlet of indoor set is formed between cover plate of indoor unit and spiral case bottom;It is above-mentioned also to include any one Air-conditioning snail tongue;The snail tongue body of the air-conditioning snail tongue is disposed in the interior on the inner of cover plate, and its wind-guiding face is towards in spiral case Centre.
Present invention also offers a kind of air conditioner, and it includes above-mentioned air conditioner room unit.
The beneficial effects of the invention are as follows:By the way that fuisw rib is helically arranged in wind-guiding face, or make fuisw rib and snail Tongue body cross-section is arranged in wind-guiding face in an acute angle, so that the guiding gutter between two adjacent fuisw ribs is helicla flute Or tipper, so that air-flow of the impact in wind-guiding face can smoothly be discharged along guiding gutter;On the one hand, into water conservancy diversion The surface of fuisw rib is close on the air-flow border of groove, reduces the doping with surrounding flow, avoids larger energy hunting, drop Low noise;On the other hand, air-flow is arranged outside guiding gutter, be ensure that the uniformity of discharge air-flow, is avoided gas in spiral case Internal circulation flow, while gas backstreaming can also be avoided.
Brief description of the drawings
Fig. 1 is the implementation structural representation of air-conditioning snail tongue in the present invention;
Fig. 2 is the side structure schematic view of air-conditioning snail tongue in the present invention;
Fig. 3 is the implementation structural representation of air conditioner room unit in the present invention;
Fig. 4 be air conditioner room unit in rotating speed shelves 1, using snail tongue of the present invention with using existing snail tongue noise spectrum pair Than figure;
Fig. 5 be air conditioner room unit in rotating speed shelves 2, using snail tongue of the present invention with using existing snail tongue noise spectrum pair Than figure;
In figure mark for:Snail tongue body 100, first surface section 101, the second curved sections 102, the 3rd curved sections 103, water conservancy diversion Muscle 110, guiding gutter 120, snail tongue wind-guiding top surface 130, inclination gusset 140, spiral case 200, indoor unit panel 300, axial-flow fan 400th, C-shaped evaporator 500, cover plate of indoor unit 600.
Embodiment
The present invention is further illustrated below in conjunction with the accompanying drawings.
As shown in figure 1, air-conditioning snail tongue, including snail tongue body 100, snail tongue body 100 are provided with wind-guiding face, set in wind-guiding face Be equipped with the fuisw rib 110 that multiple length directions along snail tongue body 100 are spaced apart, two fuisw ribs 110 of arbitrary neighborhood it Between formed with a guiding gutter 120;Guiding gutter 120 is helicla flute or tipper;When guiding gutter 120 is tipper, fuisw rib Angle theta between 110 and the cross section of snail tongue body 100 is acute angle.
Wherein, multiple fuisw ribs 110 are generally uniformly distributed in wind-guiding face, to ensure to export the uniformity of air-flow, are reduced Noise;Fuisw rib 110 can twist be set in wind-guiding face, can also be inclined to set, so that guiding gutter 120 is helicla flute Or tipper;The guiding gutter 120 of said structure, the air-flow border into guiding gutter 120 on the one hand can be made to be close to fuisw rib 110 surface, reduce the doping with surrounding flow, avoid larger energy hunting, reduce noise;On the other hand, may be used So that air-flow is arranged outside guiding gutter 120, the uniformity of discharge air-flow is ensure that, avoids gas in the inner recirculation flow of spiral case 200 It is dynamic, while gas backstreaming can also be avoided.
As a preferred embodiment of the present invention, as shown in Fig. 2 wind-guiding face is U-shaped structure, it includes seamlessly transitting successively First surface section 101, the second curved sections 102 and the 3rd curved sections 103 to link together;Each guiding gutter 120 is parallel to each other.It is logical After snail tongue is arranged on indoor apparatus of air conditioner in the case of often, first surface section 101 can, second curved surface corresponding with C-shaped evaporator 500 Section 102 can be corresponding with axial-flow fan 400, and the 3rd curved sections 103 can be corresponding with air outlet of indoor set;In order to ensure wind-guiding Effect, generally require the arc radius for making the arc radius of first surface section 101 be more than the second curved sections 102;In order to reduce wind Resistance should make the 3rd curved sections 103 as far as possible smooth to strengthen the draft capacity of air-conditioning, therefore generally require and make the 3rd curved sections 103 Arc radius be more than first surface section 101 arc radius.The wind-guiding face of said structure can reduce windage and improve snail tongue Draft capacity, beneficial to making air-flow be smoothly guided at the air outlet of air conditioner room unit, and directly impact is avoided in snail Air-out on tongue body 100, which is repelled, causes turbulent flow, reduce further noise.Each guiding gutter 120 is parallel to each other, beneficial to guarantee The uniformity of discharge air-flow, lift the performance of indoor apparatus of air conditioner.
Inventor has found and proved, and forms the first surface section 110, the second curved sections 120 and the 3rd curved sections of wind-guiding face 130 respective arc radius R1、R2And R3The ratio between be 40~50:14~17:When 85~92, in the air conditioner chamber of structure of the present invention Influence of the machine snail tongue to producing noise is minimum, i.e., the noise caused by snail tongue can drop in air conditioner room unit running Low-down degree.
Preferably, the angle theta between fuisw rib 110 and the cross section of snail tongue body 100 is 27 °~40 °.With reference to Fig. 4 and Fig. 5 It is shown, the air conditioner room unit of said structure snail tongue is employed, caused noise is significantly smaller in its running, equal operating 2~3 decibels of noise can be reduced relative to the air conditioner room unit for employing existing snail tongue under situation.
Specifically, fuisw rib 110 is connected with wind-guiding face arc transition, the height of fuisw rib 110 is 1mm~3mm.Fuisw rib 110 are connected the flatness that ensure that guiding gutter 120 with wind-guiding face arc transition, beneficial to the water conservancy diversion of air-flow, reduce noise.Fuisw rib 110 height is designed as 1mm~3mm, is on the one hand to ensure guide performance, is on the other hand to be adapted simultaneously with product Simplify structure.
Specifically, having led fillet at seamed edge on fuisw rib 110, the radius of fillet is 0.3mm~0.6mm.In fuisw rib Rounding angle at seamed edge on 110, it can also make guiding gutter 120 more preferably smooth, reduce noise during air draft.
As another preferred scheme of the present invention, then as shown in Fig. 2 it is additionally provided with snail tongue body 100 and wind-guiding face The snail tongue wind-guiding top surface 130 being connected smoothly, it is provided with along the length direction of snail tongue body 100 on snail tongue wind-guiding top surface 130 Gusset 140 is tilted, the upper end for tilting gusset 140 is located at the upside of wind-guiding face, and tilts gusset 140 and snail tongue wind-guiding top surface 130 Between angle γ be acute angle.After snail tongue is arranged on indoor apparatus of air conditioner, set inclination gusset 140 generally evaporates with C-shaped Device 500 is corresponding, and tilting the one side of gusset 140 can prevent the condensed water on C-shaped evaporator 500 from being blown out by axial-flow fan 400, On the other hand it can further improve the convection environment of air-flow, reduce noise caused by indoor apparatus of air conditioner.
Specifically, one end of fuisw rib 110 extends towards inclination gusset 140 and is connected with tilting the arc transition of gusset 140 Together.
In order to reach more preferable water conservancy diversion effect, and the Noise Reduction for tilting gusset 140 is given full play to, make connection fuisw rib The arc radius of the 110 arc transition structure with tilting gusset 140 is 1mm~3mm;Make inclination gusset 140 and snail tongue wind-guiding top Angle γ between face 130 is 45 °~60 °.
As shown in figure 3, air conditioner room unit, including the evaporation of spiral case 200, indoor unit panel 300, axial-flow fan 400, C-shaped Device 500 and cover plate of indoor unit 600;Spiral case 200 is oppositely arranged with indoor unit panel 300, and C-shaped evaporator 500 is arranged on spiral case 200 Between indoor unit panel 300, axial-flow fan 400 is arranged between spiral case 200 and C-shaped evaporator 500, cover plate of indoor unit 600 The bottom of machine side plate 300 is disposed in the interior, air outlet of indoor set is formed between cover plate of indoor unit 600 and the bottom of spiral case 200;Also wrap Include any one above-mentioned air-conditioning snail tongue;The snail tongue body 100 of air-conditioning snail tongue is disposed in the interior on the inner of cover plate 600, its Wind-guiding face is towards the centre in spiral case 200.After installing snail tongue, inclination gusset 140 is corresponding with C-shaped evaporator 500, the Two curved sections 102 are corresponding with axial-flow fan 400, and the 3rd curved sections 103 are corresponding with air outlet of indoor set.In order that air conditioner Indoor set air-out it is more smooth naturally, it is preferred that by the distance between snail tongue body 100 and axial-flow fan 400 be adjusted to 10mm~ 20mm。
Air conditioner, it includes above-mentioned air conditioner room unit.

Claims (10)

1. air-conditioning snail tongue, including snail tongue body (100), the snail tongue body (100) is provided with wind-guiding face, is set in the wind-guiding face It is equipped with the fuisw rib (110) that multiple length directions along snail tongue body (100) are spaced apart, two fuisw ribs of arbitrary neighborhood (110) formed with a guiding gutter (120) between;It is characterized in that:The guiding gutter (120) is helicla flute or tipper;When When guiding gutter (120) is tipper, the angle theta between the fuisw rib (110) and snail tongue body (100) cross section is acute angle.
2. air-conditioning snail tongue as claimed in claim 1, it is characterised in that:The wind-guiding face is U-shaped structure, and it includes smooth successively First surface section (101), the second curved sections (102) and the 3rd curved sections (103) that transition links together;Each guiding gutter (120) it is parallel to each other.
3. air-conditioning snail tongue as claimed in claim 2, it is characterised in that:The fuisw rib (110) and snail tongue body (100) are transversal Angle theta between face is 27 °~40 °.
4. air-conditioning snail tongue as claimed in claim 1, it is characterised in that:The fuisw rib (110) connects with wind-guiding face arc transition Connect, the height of fuisw rib (110) is 1mm~3mm.
5. air-conditioning snail tongue as claimed in claim 4, it is characterised in that:Fillet has been led at seamed edge on the fuisw rib (110), The radius of the fillet is 0.3mm~0.6mm.
6. the air-conditioning snail tongue as described in claim 1,2,3,4 or 5, it is characterised in that:It is additionally provided with the snail tongue body (100) The snail tongue wind-guiding top surface (130) being connected smoothly with wind-guiding face, along snail tongue body on the snail tongue wind-guiding top surface (130) (100) length direction, which is provided with, tilts gusset (140), and the upper end for tilting gusset (140) is located at the upside of wind-guiding face, and The angle γ tilted between gusset (140) and snail tongue wind-guiding top surface (130) is acute angle.
7. air-conditioning snail tongue as claimed in claim 6, it is characterised in that:One end direction of the fuisw rib (110) tilts gusset (140) extend and linked together with tilting gusset (140) arc transition.
8. air-conditioning snail tongue as claimed in claim 7, it is characterised in that:Fuisw rib (110) is connected with tilting the circle of gusset (140) The arc radius of arc transition structure is 1mm~3mm;The angle tilted between gusset (140) and snail tongue wind-guiding top surface (130) γ is 45 °~60 °.
9. air conditioner room unit, including spiral case (200), indoor unit panel (300), axial-flow fan (400), C-shaped evaporator (500) With cover plate of indoor unit (600);The spiral case (200) is oppositely arranged with indoor unit panel (300), and the C-shaped evaporator (500) sets Put between spiral case (200) and indoor unit panel (300), the axial-flow fan (400) is arranged on spiral case (200) and evaporated with C-shaped Between device (500), the cover plate of indoor unit (600) is disposed in the interior the bottom of machine side plate (300), cover plate of indoor unit (600) with Air outlet of indoor set is formed between spiral case (200) bottom;It is characterized in that:Also include such as any one institute in claim 1 to 8 The air-conditioning snail tongue stated;The snail tongue body (100) of the air-conditioning snail tongue is disposed in the interior on the inner of cover plate (600), its wind-guiding Centre facing in spiral case (200).
10. air conditioner, it is characterised in that:Including air conditioner room unit as claimed in claim 9.
CN201711052361.0A 2017-10-30 2017-10-30 Air conditioner volute tongue, air conditioner indoor unit and air conditioner Active CN107576041B (en)

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CN107576041B CN107576041B (en) 2024-02-02

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108954794A (en) * 2018-08-31 2018-12-07 四川长虹空调有限公司 A kind of Air-Conditioning Straflo Fan heat-exchanging component
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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Publication number Priority date Publication date Assignee Title
US20080181764A1 (en) * 2004-10-01 2008-07-31 Mitsubish Denki Kabushiki Kaisha Air Conditioner
CN102042264A (en) * 2009-10-10 2011-05-04 珠海格力电器股份有限公司 Volute tongue with bionic structure and volute using same
CN102269169A (en) * 2010-06-02 2011-12-07 珠海格力电器股份有限公司 Through-flow fan and air-conditioner provided with same
CN102734866A (en) * 2011-04-13 2012-10-17 珠海格力电器股份有限公司 Indoor air conditioner and operation control method thereof
CN204900339U (en) * 2015-08-25 2015-12-23 宁波方太厨具有限公司 Fan snail tongue
CN105757791A (en) * 2014-12-18 2016-07-13 宁波奥克斯空调有限公司 Indoor unit of air conditioner
CN206094309U (en) * 2016-09-20 2017-04-12 Tcl空调器(中山)有限公司 Air conditioner and air conditioner
CN207335096U (en) * 2017-10-30 2018-05-08 四川长虹空调有限公司 Air-conditioning volute tongue, air conditioner room unit and air conditioner

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080181764A1 (en) * 2004-10-01 2008-07-31 Mitsubish Denki Kabushiki Kaisha Air Conditioner
CN102042264A (en) * 2009-10-10 2011-05-04 珠海格力电器股份有限公司 Volute tongue with bionic structure and volute using same
CN102269169A (en) * 2010-06-02 2011-12-07 珠海格力电器股份有限公司 Through-flow fan and air-conditioner provided with same
CN102734866A (en) * 2011-04-13 2012-10-17 珠海格力电器股份有限公司 Indoor air conditioner and operation control method thereof
CN105757791A (en) * 2014-12-18 2016-07-13 宁波奥克斯空调有限公司 Indoor unit of air conditioner
CN204900339U (en) * 2015-08-25 2015-12-23 宁波方太厨具有限公司 Fan snail tongue
CN206094309U (en) * 2016-09-20 2017-04-12 Tcl空调器(中山)有限公司 Air conditioner and air conditioner
CN207335096U (en) * 2017-10-30 2018-05-08 四川长虹空调有限公司 Air-conditioning volute tongue, air conditioner room unit and air conditioner

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108954794A (en) * 2018-08-31 2018-12-07 四川长虹空调有限公司 A kind of Air-Conditioning Straflo Fan heat-exchanging component
CN108954794B (en) * 2018-08-31 2023-11-10 四川长虹空调有限公司 Heat exchange assembly of air conditioner cross-flow fan
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
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

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