CN103452907A - Indoor unit of air conditioner - Google Patents
Indoor unit of air conditioner Download PDFInfo
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- CN103452907A CN103452907A CN2012101816520A CN201210181652A CN103452907A CN 103452907 A CN103452907 A CN 103452907A CN 2012101816520 A CN2012101816520 A CN 2012101816520A CN 201210181652 A CN201210181652 A CN 201210181652A CN 103452907 A CN103452907 A CN 103452907A
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- snail tongue
- air conditioner
- flanging
- indoor apparatus
- conditioner according
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Abstract
The invention provides an indoor unit of an air conditioner. The indoor unit comprises a bottom shell, a front volute tongue and a cross-flow fan. The cross-flow fan is fittingly arranged on the bottom shell, and an air outlet is formed in space between the front volute tongue and the bottom shell; the front volute tongue comprises a volute tongue body and a volute tongue sleeve fittingly arranged on the volute tongue body, and the volute tongue body and the bottom shell are integrally formed by means of injection. The indoor unit of the air conditioner has the advantages that the front volute tongue is divided into the volute tongue body and the volute tongue sleeve, the volute tongue body and the bottom shell can be stripped from a mold together after being integrally formed by means of injection, the volute tongue sleeve is fittingly arranged on the volute tongue body, the volute tongue body and the bottom shell which are integrally formed by means of injection are high in strength, the volute tongue sleeve can be effectively prevented from deforming, accordingly, the front volute tongue can be prevented from deforming, the distance from the end of the front volute tongue to the cross-flow fan is uniform, and the problem of uneven outlet air is eliminated.
Description
Technical field
The present invention relates to field of air conditioning, in particular to a kind of indoor apparatus of air conditioner.
Background technique
The indoor set of split-type air conditioner of the prior art, as the structure of air pipe machine indoor machine mainly as illustrated in fig. 1 and 2, its structure mainly comprises housing 10, housing 10 inside are fixedly installed heat exchanger 20, the below of heat exchanger 20 is provided with water receiving disc 30, one side of heat exchanger 20 is provided with blower fan 40, is provided with the intake grill 11 and the exhaust outlet 12 that are positioned at heat exchanger 20 both sides on housing 10.Heat exchanger 20 and blower fan 40 mainly contain the air drafting type that heat exchanger 20 as shown in Figure 1 is positioned at blower fan 40 inlet sides, and heat exchanger as shown in Figure 2 20 is positioned at the blowing type of blower fan 40 air sides.For these two kinds of forms, air-conditioning is the left and right structure, and size is larger, and, for embedded or ceiling type air conditioner, the size that reduces its indoor set is to guarantee its reliable important means of installing.
Occurred the indoor apparatus of air conditioner that a kind of side next time of installing up and down in prior art, blower fan 40 is arranged on the top of heat exchanger 20, and intake grill is positioned at the bottom of indoor set, makes whole indoor machine structure become compact, has effectively reduced the size of indoor set.In prior art, the sectional drawing of indoor apparatus of air conditioner as shown in Figure 3, blower fan 40 adopts cross flow fan, cross flow fan comprises through-flow fan blade 41, drain pan 42, front snail tongue 43, wherein drain pan 42 and front snail tongue 43 adopt moulding, the moulding member cavity is exactly partly the mould entity part, and mould skids off direction (two directions of arrow in Fig. 4) along mould must present inside gradient.And due to the out-of-shape of front snail tongue near the end (part shown in label A in Fig. 4) of through-flow fan blade 41, and before causing in drain pan and the one-body molded process of front snail tongue moulding, the snail tongue can not depanning near the end of tubular wine wheel.Problem that must not depanning for solution in prior art, extract front snail tongue 43 integral body, after forming moulding, more front snail tongue 43 two ends is screwed on drain pan 42.Yet before this mode, snail tongue 43 intermediate portions can't be fixed and cause front snail tongue amount of deformation large, thereby cause the end of front snail tongue 43 very inhomogeneous to the distance of through-flow fan blade 41, make the exhaust outlet wind speed inhomogeneous, noise is also larger.
Summary of the invention
The present invention aims to provide a kind of indoor apparatus of air conditioner that improves front snail tongue straightness accuracy, with snail tongue before solving in prior art can't effectively fix and cause end to through-flow fan blade apart from the inhomogeneous and inhomogeneous problem of air-out that cause.
The invention provides a kind of indoor apparatus of air conditioner, comprising: drain pan, front snail tongue, through-flow fan blade, through-flow fan blade is equipped with on drain pan, between front snail tongue and drain pan, forms air port; Front snail tongue comprises snail tongue body and is equipped with snail tongue cover, snail tongue body and the drain pan integrated injection molding on snail tongue body.
Further, snail tongue cover is connected on snail tongue body.
Further, snail tongue body comprises the first flanging near the inlet side of through-flow fan blade, and the second flanging of the air side of close through-flow fan blade, and the first flanging and the first flanging are in the shape of the letter V, and the drift angle of V font is towards through-flow fan blade.
Further, the snail tongue puts and is provided with the hook-shaped buckle that is hooked on the first flanging lower end; The projection that is provided with recess on the second flanging and is positioned at recess, the snail tongue puts the catching groove coordinated with projection is set.
Further, recess is the middle part that is arranged on the second flanging.
Further, the angle of the drift angle of V font is θ, and the angle that the snail tongue overlaps between outermost both sides is α, wherein, and α<θ.
Further, snail tongue cover inboard also is provided with interior button, and interior button coordinates with the end of the drift angle of the formation V font of the second flanging.
Further, snail tongue cover is the bent plate shape, comprises the first plate, the second plate and the 3rd plate that connect and be each other successively kink shape, and hook-shaped buckle is arranged on the free end of the first plate, and catching groove is arranged on the 3rd plate, and interior button is arranged on the second plate.
Further, there is prepsetting gap d between the fitting surface of interior button and the second flanging.
Further, the scope of prepsetting gap d is 0<d≤1.5mm.
Further, interior button is h along the height of the bearing of trend of the second flanging, wherein, and 0.5mm≤h≤4mm.
According to indoor apparatus of air conditioner of the present invention, by being divided into, front snail tongue can and be equipped with the snail tongue cover on snail tongue body with the snail tongue body of drain pan integrated injection molding depanning, due to snail tongue body and drain pan integrated injection molding, intensity is higher, can effectively prevent the distortion of snail tongue cover, thereby prevent front snail tongue distortion, make its end to the distance to through-flow fan blade evenly, thereby eliminate the inhomogeneous phenomenon of air-out.
The accompanying drawing explanation
The accompanying drawing that forms the application's a part is used to provide a further understanding of the present invention, and schematic description and description of the present invention the present invention does not form inappropriate limitation of the present invention for explaining.In the accompanying drawings:
Fig. 1 is the first structural representation of indoor apparatus of air conditioner of the prior art;
Fig. 2 is the second structural representation of indoor apparatus of air conditioner of the prior art;
Fig. 3 is the third structural representation of indoor apparatus of air conditioner of the prior art;
Fig. 4 is the middle drain pan of Fig. 3 and the structural representation of front snail tongue;
Fig. 5 is the structural representation according to indoor apparatus of air conditioner of the present invention;
Fig. 6 is the partial enlarged drawing at label I place in Fig. 5;
Fig. 7 is the front snail tongue sectional structure schematic diagram according to indoor apparatus of air conditioner of the present invention;
Fig. 8 is the perspective view according to the snail tongue cover of the front snail tongue of indoor apparatus of air conditioner of the present invention.
Embodiment
Describe below with reference to the accompanying drawings and in conjunction with the embodiments the present invention in detail.
As shown in Figure 5 and Figure 6, according to indoor apparatus of air conditioner of the present invention, comprising: drain pan 42, front snail tongue 43, through-flow fan blade 41, through-flow fan blade 41 is equipped with on drain pan 42, between front snail tongue 43 and drain pan 42, forms air port 12; Front snail tongue 43 comprises snail tongue body 431 and is equipped with the snail tongue cover 432 on snail tongue body 431, snail tongue body 431 and drain pan 42 integrated injection moldings.Indoor apparatus of air conditioner of the present invention, by being divided into, front snail tongue can overlap 432 with the snail tongue body 431 of drain pan 42 integrated injection molding depannings and the snail tongue be equipped with on snail tongue body 431, due to snail tongue body 431 and drain pan 42 integrated injection moldings, intensity is higher, can effectively prevent the distortion of snail tongue cover, thereby prevent front snail tongue distortion, make its end to the distance to through-flow fan blade 41 evenly, thereby eliminate the inhomogeneous phenomenon of air-out.
As shown in Figure 7, snail tongue body 431 comprises the first flanging 431a near the inlet side of through-flow fan blade 41, with the second flanging 431b near the air side of through-flow fan blade 41, the first flanging 431a and the first flanging 431a are in the shape of the letter V, and the drift angle of V font is towards through-flow fan blade 41, the adjusting accordingly according to the depanning angle of vertex angle theta.Certainly the shape of snail tongue body 431 also can be designed as other and is convenient to depanning and the fixing shape of snail tongue cover 432.
Preferably, for the convenient snail tongue cover 432 of installing, adopt the mode of clamping that snail tongue cover 432 is fixed on snail tongue body 431.As shown in Figure 7 and Figure 8, be provided with the hook-shaped buckle 432a of the first flanging 431a lower end that is hooked on snail tongue body 431 on snail tongue cover 432; The projection a1 that is provided with recess a and is positioned at recess a on the second flanging 431b of snail tongue body 431, arrange the catching groove 432b coordinated with projection a1 on snail tongue cover 432.The snail tongue is installed and is overlapped 432 o'clock, first hook-shaped buckle 432a is hooked on to the first flanging 431a lower end, then used catching groove 432b is buckled in to projection a1 above, thereby snail tongue cover 432 is fixed on snail tongue body 431.
Preferably, recess a is arranged on the middle part of the second flanging 431b, both facilitated under the prerequisite of the requirement that meets depanning, on the second flanging 431b, projection a1 had been set, and made again the convenient catching groove 432b overlapped on 432 with the snail tongue of projection a1 arranged coordinate, and snail tongue cover 432 had been installed more stable.
As shown in Figure 7 and Figure 8, snail tongue cover 432 is the bent plate shape, comprises the first plate, the second plate and the 3rd plate that connect and be each other successively kink shape, and hook-shaped buckle 432a is arranged on the free end of the first plate, and catching groove 432b is arranged on the 3rd plate.For the convenient water receiving disc 30 of installing, between the space of the bent plate shape that also can form at the first plate, the second plate and the 3rd plate, packing material 433 is set, as foam etc.
As shown in Figure 7, the angle of the drift angle of the V font of snail tongue body 431 is θ, the angle that the snail tongue overlaps between 432 outermost both sides (being first side and the 3rd limit) is α, wherein, α<θ, 432 pairs of snail tongue bodies 431 of snail tongue cover after making to install have certain clamping force, thereby make fixing more reliable.For the horizontal wind guiding blade of convenient installation, the buckle 432d that horizontal wind guiding blade is installed can be set on the 3rd plate.
Preferably, in order to make snail tongue cover 432 fixing more stable, prevent that snail tongue cover 432 from occurring being difficult to be fixed on snail tongue body 431 after distortion, as shown in Figure 7 and Figure 8, the snail tongue overlaps 432 inboards and also is provided with interior button 432c, interior button 432c is arranged on the second plate, and interior button 432c coordinates with the end of the drift angle of the formation V font of the second flanging 431b of snail tongue body 431.Thereby snail tongue cover 432 is fixed by hook-shaped buckle 432a, catching groove 432b, tri-groups of clampings of interior button 432c with snail tongue body 431, thereby increases the fastening degree.
Usually moulding all can have a certain amount of distortion after fully cooling, for the drift angle that prevents the rear V font of snail tongue body 431 distortion diminishes, and first fold spring song.After preventing distortion and machining error, cause snail tongue cover 432 to buckle, as shown in Figure 7, between the fitting surface of interior button 432c and the second flanging 431b, certain prepsetting gap d is set, to eliminate, snail tongue body 431 is out of shape and the impact of machining deviation.In the type of different model, the scope of prepsetting gap d is for being generally 0 to 1.5mm, preferably scope be 0.3mm to 1mm, can effectively eliminate distortion and machining error, prevent from not installing, the while is unlikely to Tai Song again and does not reach stable clamping level of installing.
As shown in Figure 7, the reliability coordinated with the second flanging in order to improve interior button 432c, it is highly h that interior button 432c has along the bearing of trend of the second flanging 431b, h is larger, fixing more reliable after installing, but h is excessive to be difficult to coordinate when easily causing installation upper, and installation is affected, usually, 0.5mm≤h≤4mm.Preferably scope is 1 to 3mm, can reliably fix to be unlikely to again to cause too greatly trouble is installed.
We are in prior art, front snail tongue integral body being extracted, be arranged on again after molding and forming on drain pan and of the present invention front snail tongue is divided into and can and be equipped with the snail tongue cover on snail tongue body with the snail tongue body of drain pan integrated injection molding depanning, the product that these two kinds of modes are produced has carried out contrast test, because snail tongue amount of deformation before traditional approach is gone up middle unfixing greatly, before the snail tongue to through-flow fan blade apart from very inhomogeneous, cause the exhaust outlet wind speed inhomogeneous, noise data is also larger.
The test data of air conditioner indoor machine under the most high-grade wind speed that a specified refrigerating capacity of take is 3.5KW is as shown in following table one, and main test condition comprises: fan blade diameter 98mm, snail tongue room 6mm, air port length 600mm.The noise test condition is as follows: semi-anechoic room, under 1.4 meters, the A weighted.
The laboratory data of table one prior art and contrast test of the present invention
| Front snail tongue type | Noise (decibel) | The exhaust outlet wind speed is poor |
| Prior art | 42.4 | The poor 2.8m/s of maximum wind speed |
| The present invention | 41.8 | The poor 0.7m/s of maximum wind speed |
Can find out from the laboratory data of table one, adopt front snail tongue of the present invention to have effectively to reduce the stable of noise, particularly wind speed to be significantly improved.
As can be seen from the above description, the above embodiments of the present invention have realized following technique effect:
According to indoor apparatus of air conditioner of the present invention, by being divided into, front snail tongue can and be equipped with the snail tongue cover on snail tongue body with the snail tongue body of drain pan integrated injection molding depanning, due to snail tongue body and drain pan integrated injection molding, intensity is higher, can effectively prevent the distortion of snail tongue cover, thereby prevent front snail tongue distortion, make its end to the distance to through-flow fan blade evenly, thereby eliminate the inhomogeneous phenomenon of air-out.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (11)
1. an indoor apparatus of air conditioner, comprise: drain pan (42), front snail tongue (43), through-flow fan blade (41), described through-flow fan blade (41) is equipped with at described drain pan (42) upper, between described front snail tongue (43) and described drain pan (42), forms air port (12);
It is characterized in that, described front snail tongue (43) comprises snail tongue body (431) and is equipped with the snail tongue cover (432) on described snail tongue body (431), described snail tongue body (431) and described drain pan (42) integrated injection molding.
2. indoor apparatus of air conditioner according to claim 1, is characterized in that,
Described snail tongue cover (432) is connected on described snail tongue body (431).
3. indoor apparatus of air conditioner according to claim 2, is characterized in that,
Described snail tongue body (431) comprises the first flanging (431a) near the inlet side of described through-flow fan blade (41), with the second flanging (431b) near the air side of described through-flow fan blade (41), described the first flanging (431a) is in the shape of the letter V with described the first flanging (431a), and the drift angle of V font is towards described through-flow fan blade (41).
4. indoor apparatus of air conditioner according to claim 3, is characterized in that,
Be provided with the hook-shaped buckle (432a) that is hooked on described the first flanging (431a) lower end on described snail tongue cover (432);
The projection (a1) that is provided with recess on described the second flanging (431b) and is positioned at described recess, the upper catching groove (432b) coordinated with described projection (a1) that arranges of described snail tongue cover (432).
5. indoor apparatus of air conditioner according to claim 4, is characterized in that,
Described recess is for being arranged on the middle part of described the second flanging (431b).
6. indoor apparatus of air conditioner according to claim 4, is characterized in that,
The angle of the drift angle of described V font is θ, and the angle between the outermost both sides of described snail tongue cover (432) is α, wherein, and α<θ.
7. indoor apparatus of air conditioner according to claim 4, is characterized in that,
Described snail tongue cover (432) inboard also is provided with interior button the (432c), and described interior button (432c) coordinates with the end of the drift angle of the formation V font of described the second flanging (431b).
8. indoor apparatus of air conditioner according to claim 7, it is characterized in that, described snail tongue cover (432) is the bent plate shape, comprise the first plate, the second plate and the 3rd plate that connect and be each other successively kink shape, described hook-shaped buckle (432a) is arranged on the free end of described the first plate, described catching groove (432b) is arranged on described the 3rd plate, and described interior button (432c) is arranged on described the second plate.
9. indoor apparatus of air conditioner according to claim 7, is characterized in that,
There is prepsetting gap d between the fitting surface of described interior button (432c) and described the second flanging (431b).
10. indoor apparatus of air conditioner according to claim 9, is characterized in that, the scope of described prepsetting gap d is 0<d≤1.5mm.
11. indoor apparatus of air conditioner according to claim 10, is characterized in that, described interior button (432c) is h along the height of the bearing of trend of described the second flanging (431b), wherein, and 0.5mm≤h≤4mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210181652.0A CN103452907B (en) | 2012-06-04 | 2012-06-04 | Indoor apparatus of air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210181652.0A CN103452907B (en) | 2012-06-04 | 2012-06-04 | Indoor apparatus of air conditioner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103452907A true CN103452907A (en) | 2013-12-18 |
| CN103452907B CN103452907B (en) | 2015-09-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210181652.0A Active CN103452907B (en) | 2012-06-04 | 2012-06-04 | Indoor apparatus of air conditioner |
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| CN (1) | CN103452907B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104141635A (en) * | 2014-07-09 | 2014-11-12 | 珠海格力电器股份有限公司 | Volute tongue and volute integral structure and molding method thereof |
| CN105004024A (en) * | 2015-08-10 | 2015-10-28 | 珠海格力电器股份有限公司 | Air conditioner |
| CN107328073A (en) * | 2017-06-27 | 2017-11-07 | 奥克斯空调股份有限公司 | A kind of fan blade assembling structure of air conditioner |
| CN108253526A (en) * | 2018-01-13 | 2018-07-06 | 广东美的制冷设备有限公司 | Micropore wind deflector, wind outlet panel and cabinet air-conditioner |
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| JP2008138929A (en) * | 2006-12-01 | 2008-06-19 | Sharp Corp | Air conditioner |
| CN101451749A (en) * | 2007-11-28 | 2009-06-10 | 珠海格力电器股份有限公司 | Indoor machine of air conditioner |
| CN201429159Y (en) * | 2009-07-16 | 2010-03-24 | 珠海格力电器股份有限公司 | Wall-hung air conditioner and indoor unit thereof |
| CN201982367U (en) * | 2011-04-15 | 2011-09-21 | 珠海格力电器股份有限公司 | Cross-flow fan and air conditioner with same |
| CN202630248U (en) * | 2012-06-04 | 2012-12-26 | 珠海格力电器股份有限公司 | Indoor machine of air conditioner |
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2012
- 2012-06-04 CN CN201210181652.0A patent/CN103452907B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008138929A (en) * | 2006-12-01 | 2008-06-19 | Sharp Corp | Air conditioner |
| CN101451749A (en) * | 2007-11-28 | 2009-06-10 | 珠海格力电器股份有限公司 | Indoor machine of air conditioner |
| CN201429159Y (en) * | 2009-07-16 | 2010-03-24 | 珠海格力电器股份有限公司 | Wall-hung air conditioner and indoor unit thereof |
| CN201982367U (en) * | 2011-04-15 | 2011-09-21 | 珠海格力电器股份有限公司 | Cross-flow fan and air conditioner with same |
| CN202630248U (en) * | 2012-06-04 | 2012-12-26 | 珠海格力电器股份有限公司 | Indoor machine of air conditioner |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104141635A (en) * | 2014-07-09 | 2014-11-12 | 珠海格力电器股份有限公司 | Volute tongue and volute integral structure and molding method thereof |
| CN105004024A (en) * | 2015-08-10 | 2015-10-28 | 珠海格力电器股份有限公司 | Air conditioner |
| CN107328073A (en) * | 2017-06-27 | 2017-11-07 | 奥克斯空调股份有限公司 | A kind of fan blade assembling structure of air conditioner |
| CN108253526A (en) * | 2018-01-13 | 2018-07-06 | 广东美的制冷设备有限公司 | Micropore wind deflector, wind outlet panel and cabinet air-conditioner |
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| Publication number | Publication date |
|---|---|
| CN103452907B (en) | 2015-09-16 |
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