CN203809363U - Volute assembly for air-conditioner indoor unit and air-conditioner indoor unit - Google Patents
Volute assembly for air-conditioner indoor unit and air-conditioner indoor unit Download PDFInfo
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- CN203809363U CN203809363U CN201420153549.XU CN201420153549U CN203809363U CN 203809363 U CN203809363 U CN 203809363U CN 201420153549 U CN201420153549 U CN 201420153549U CN 203809363 U CN203809363 U CN 203809363U
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- air conditioner
- indoor apparatus
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- Air-Conditioning Room Units, And Self-Contained Units In General (AREA)
Abstract
The utility model discloses a volute assembly for an air-conditioner indoor unit and the air-conditioner indoor unit. The volute assembly for the air-conditioner indoor unit comprises a volute and a muffling part, wherein one end of the upper end and the lower end of the volute is an air inlet of the volute and the other end of the upper end and the lower end of the volute is an air outlet of the volute; at least one part inner side wall of the volute is constructed into a through hole area; a plurality of through holes are formed in the through hole area; the muffling part is arranged on the outer side of the volute by corresponding to the through hole area; a muffling cavity is defined by the muffling part and the outer side face of the through hole area. The volute assembly in the embodiment of the first aspect of the utility model has the advantages of simple and reasonable structure, easiness for processing, good tone quality, low noise, wide application range and the like.
Description
Technical field
The utility model relates to living electric apparatus field, especially relates to a kind of spiral case assembly and indoor apparatus of air conditioner for indoor apparatus of air conditioner.
Background technique
The noise that indoor apparatus of air conditioner produces comprises pneumatic noise and mechanical noise two-part, and wherein pneumatic noise is far longer than mechanical noise.In order to keep the air circulation of indoor apparatus of air conditioner, do not reduce its performance, must make blower fan keep certain rotating speed, this has just increased the difficulty of noise reduction.
Model utility content
The utility model is intended at least solve one of technical problem existing in prior art.For this reason, the utility model need to provide a kind of spiral case assembly for indoor apparatus of air conditioner, utilizes the advantages such as this spiral case assembly has simple and reasonable, easy processing, tonequality is good, noise is low, applied widely.
The utility model also needs to provide a kind of indoor apparatus of air conditioner with this spiral case assembly.
According to the utility model first aspect embodiment's the spiral case assembly for indoor apparatus of air conditioner, comprise: spiral case, one end in the top and bottom of described spiral case is that spiral case intake grill and the other end are spiral case exhaust outlet, at least a portion sidewall of described spiral case is configured to via regions, is formed with a plurality of through holes in described via regions; And noise reduction part, the corresponding described via regions of described noise reduction part is located at the outside of described spiral case, and limits silencing cavity between described noise reduction part and the outer side surface of described via regions.
According to the utility model embodiment's spiral case assembly, by through hole being set on the sidewall of spiral case and then forming via regions, thus when wind flow is in spiral case time, can utilize through-hole structure to absorb sound, air-flow can with spiral case sidewall on through hole produce friction, can effectively reduce low frequency noise, improve tonequality.And spiral case is simple and reasonable, easily processing, applied widely.
The corresponding via regions of noise reduction part is located at the outside of spiral case, and limits silencing cavity between noise reduction part and the outer side surface of via regions.By noise reduction part is set, the outside of via regions has just formed sealed cavity, and when air-flow enters in silencing cavity by via regions like this, sound energy consumption can rub back and forth in silencing cavity, the noise of silencing cavity in can cancellation wider frequency range, thus reach good noise reduction.
To sum up, according to the utility model embodiment's spiral case assembly there is simple and reasonable, easy processing, tonequality is good, noise is low, the advantage such as applied widely.
In addition, according to the spiral case assembly for indoor apparatus of air conditioner of the present utility model, also can there is following additional technical feature:
According to an embodiment of the present utility model, on the internal surface of described noise reduction part, be formed with outwards recessed recess, between described recess and the outer side surface of described via regions, limit described silencing cavity.
According to an embodiment of the present utility model, described recess is to be provided with interval parts between a plurality of and adjacent two described recesses.
According to an embodiment of the present utility model, described interval parts is raised line or deep trouth.
According to an embodiment of the present utility model, described a plurality of recesses are evenly distributed on the inner side surface of described noise reduction part.
According to an embodiment of the present utility model, the depth bounds of described recess is: 1-20mm.
According to an embodiment of the present utility model, described noise reduction part is tapered on its longitudinal cross-section, and in the size of the above noise reduction part of described longitudinal cross-section, at described spiral case intake grill, points in the direction of described spiral case exhaust outlet and reduce gradually.
According to an embodiment of the present utility model, described via regions is that a plurality of and described a plurality of via regions arrange around the axis interval of described spiral case, and described noise reduction part is a plurality of one to one with described via regions.
According to an embodiment of the present utility model, described via regions is two and is respectively formed at along the both sides of described spiral case radial cross section.
According to an embodiment of the present utility model, on the whole sidewall of described spiral case, be all formed with through hole.
According to an embodiment of the present utility model, the pore diameter range of described through hole is: 1-2mm, the percentage range that the gross area of described through hole accounts for described spiral case inner side surface area is: 1%-5%.
According to an embodiment of the present utility model, described through hole is that the inner opening diameter of cone shape hole and described cone shape hole is less than outer end opening diameter.
According to an embodiment of the present utility model, along in projection on described cone shape hole axial direction, the angular range between the opposing sidewalls of described cone shape hole is: 20 °-70 °.
Indoor apparatus of air conditioner according to the utility model second aspect embodiment, comprising: casing, is limited with the air channel being in communication with the outside in described casing; Heat exchanger, described heat exchanger is located in described air channel; Spiral case assembly, described spiral case assembly is the spiral case assembly according to the utility model first aspect; And in order to drive outside air enter described air channel and by with described heat exchanger heat exchange after the wind blower fan of discharging, described blower fan is located in described spiral case.
Owing to thering is simple and reasonable, easy processing according to the utility model embodiment's spiral case assembly, tonequality is good, noise is low, the advantage such as applied widely, therefore, according to the utility model embodiment's indoor apparatus of air conditioner, by this spiral case assembly is set, thereby have, tonequality is good, low noise advantages.
According to an embodiment of the present utility model, described indoor apparatus of air conditioner also comprises: rectification leaf, a side of the described spiral case exhaust outlet of vicinity that described rectification leaf is located at described spiral case.
According to an embodiment of the present utility model, described indoor apparatus of air conditioner also comprises: flow deflecting cone, described flow deflecting cone is located between described spiral case and described rectification leaf, the cross-section area of the described spiral case of vicinity one end of described flow deflecting cone is greater than the cross-section area of contiguous described rectification leaf one end, has the perforate that air feed passes through on described flow deflecting cone.
Additional aspect of the present utility model and advantage in the following description part provide, and part will become obviously from the following description, or recognize by practice of the present utility model.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present utility model and advantage accompanying drawing below combination obviously and is easily understood becoming embodiment's description, wherein:
Fig. 1 is according to the outline drawing of the utility model embodiment's indoor apparatus of air conditioner;
Fig. 2 is the internal structure schematic diagram of the indoor apparatus of air conditioner shown in Fig. 1;
Fig. 3 is the structural representation of spiral case assembly, blower fan, flow deflecting cone and rectification leaf according to the utility model embodiment;
Fig. 4 is the axial sectional view of the spiral case assembly shown in Fig. 3;
Fig. 5 is the enlarged view of a-quadrant in Fig. 4;
Fig. 6 is the radial cross-section of the spiral case assembly shown in Fig. 3;
Fig. 7 is the stereogram of the spiral case assembly shown in Fig. 3;
Fig. 8 is an embodiment's the stereogram of the noise reduction part of the spiral case assembly shown in Fig. 3;
Fig. 9 is another embodiment's the stereogram of the noise reduction part of the spiral case assembly shown in Fig. 3;
Figure 10 is the sectional view of the noise reduction part of the spiral case assembly shown in Fig. 3.
Description of reference numerals:
Indoor apparatus of air conditioner 100;
Casing 1; Air channel 11; Casing intake grill 12; Casing exhaust outlet 13;
Heat exchanger 2; Blower fan 3; Motor 31;
Spiral case 4; Through hole 41; Via regions 411; Spiral case intake grill 42; Spiral case exhaust outlet 43;
Rectification leaf 5; Main part 51; Blade 52;
Flow deflecting cone 6; Perforate 61;
Outlet housing 7; Spiral case assembly 8;
Noise reduction part 9; Silencing cavity 91; Recess 92; Interval parts 93; Raised line 931; Deep trouth 932.
Embodiment
Describe embodiment of the present utility model below in detail, described embodiment's example is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of identical or similar functions from start to finish.Below by the embodiment who is described with reference to the drawings, be exemplary, only for explaining the utility model, and can not be interpreted as restriction of the present utility model.
In description of the present utility model, it will be appreciated that, term " on ", orientation or the position relationship of the indication such as D score, " vertically ", " level ", " top ", " end ", " interior ", " outward " be based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, rather than indicate or imply that the device of indication or element must have specific orientation, with specific orientation, construct and operation, therefore can not be interpreted as restriction of the present utility model.In description of the present utility model, the implication of " a plurality of " is two or more, unless otherwise expressly limited specifically.
In description of the present utility model, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and for example, can be to be fixedly connected with, and can be also to removably connect, or connect integratedly; Can be to be directly connected, also can indirectly be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements.For the ordinary skill in the art, can understand as the case may be the concrete meaning of above-mentioned term in the utility model.
In the utility model, unless otherwise clearly defined and limited, First Characteristic Second Characteristic it " on " or D score can comprise that the first and second features directly contact, also can comprise that the first and second features are not directly contacts but contact by the other feature between them.And, First Characteristic Second Characteristic " on ", " top " and " above " comprise First Characteristic directly over Second Characteristic and oblique upper, or only represent that First Characteristic level height is higher than Second Characteristic.First Characteristic Second Characteristic " under ", " below " and " below " comprise First Characteristic directly over Second Characteristic and oblique upper, or only represent that First Characteristic level height is less than Second Characteristic.
First see figures.1.and.2 below, describe according to the utility model second aspect embodiment's indoor apparatus of air conditioner 100.As depicted in figs. 1 and 2, indoor apparatus of air conditioner 100 comprises: casing 1, heat exchanger 2, spiral case assembly 8 and blower fan 3.Indoor apparatus of air conditioner 100 is for being located at indoor environment and being connected with the refrigeration system of complete with outdoor unit.
As depicted in figs. 1 and 2, be limited with air channel 11 in casing 1, spiral case assembly 8, heat exchanger 2 are located in air channel 11, and blower fan 3 is located in the spiral case 4 of spiral case assembly 8.Blower fan 3 for drive outside air enter air channel 11 and by with heat exchanger 2 heat exchange after wind discharge, air channel 11 and external environment connect, particularly, on casing 1, be formed with for being communicated with casing intake grill 12 and the casing exhaust outlet 13 of its inner air channel 11 and external environment, furthermore, extraneous air enters in air channel 11 from casing intake grill 12, after heat exchanger 2 heat exchange, then from casing exhaust outlet 13, discharges under the driving of blower fan 3.
In example as shown in Figure 2, the axis of spiral case assembly 8 is directed along the vertical direction, and alternatively, the lower end of spiral case 4 is intake grill, and the upper end of spiral case 4 is exhaust outlet.Here it should be noted that, according to the utility model embodiment's spiral case 4 can for top and bottom all open wide barrel-shaped.Blower fan 3 can drive air to flow along the vertical direction in spiral case 4 after being located at spiral case 4.
As shown in Figure 1, casing intake grill 12 can be formed on the rear side of casing 1, and casing exhaust outlet 13 can be formed on casing 1 top (upper side) or top.The contiguous casing intake grill 12 of heat exchanger 2 arranges, and spiral case assembly 8 is positioned on heat exchanger 2, and air-flow can move from bottom to top under the driving of blower fan 3, through the rear continuation of spiral case 4, rises until discharge from casing exhaust outlet 13.Certainly here only as example explanation, in indoor apparatus of air conditioner 100, spiral case assembly 8 can also be located under heat exchanger 2, and air-flow can move from top to bottom under the driving of blower fan 3, and casing exhaust outlet 13 can be formed on casing 1 lower side.
Particularly, in an embodiment of the present utility model, the cross section of casing 1 can be circle, and casing 1 comprises fore shell and back cover (scheming not shown), fore shell is semicircle with back cover and opening is relative, after fore shell and back cover assembling, limits air channel 11, and casing intake grill 12 is formed on back cover.By making the cross section of casing 1 form circle, thereby can reduce the floor space of casing 1, improve space availability ratio, user-friendly.Casing 1 can also comprise outlet housing 7, and outlet housing 7 is positioned at the top of fore shell and back cover, and exhaust outlet is formed on outlet housing 7.Certainly can understand, only as example, describe here, the cross section of casing 1 can also be other shapes, such as rectangle etc.
Further, indoor apparatus of air conditioner 100 also comprises rectification leaf 5, rectification leaf 5 is located at a side of the contiguous spiral case exhaust outlet 43 of spiral case 4, the wind of discharging from spiral case exhaust outlet 43 can be after 5 rectifications of rectification leaf, discharge again casing exhaust outlet 13, can make like this flowing of air-flow more reasonable, smooth and easy, and can reduce noise.Particularly, rectification leaf 5 comprises circumferential body portion 51, is uniformly distributed a plurality of blades 52 in the outer wall of main part 51, and the shape of a plurality of blades 52, size are all identical, as shown in Figure 2.
Further, indoor apparatus of air conditioner 100 also comprises flow deflecting cone 6, flow deflecting cone 6 is located between spiral case 4 and rectification leaf 5, on flow deflecting cone 6, there is the perforate 61 that air feed passes through, first the wind of discharging from spiral case exhaust outlet 43 can carry out after first water conservancy diversion through flow deflecting cone 6, through 5 rectifications of rectification leaf, can further improve thus the rationality of air current flow again.Particularly, the cross-section area of contiguous spiral case 4 one end of flow deflecting cone 6 is greater than the cross-section area of contiguous rectification leaf 5 one end, be example as described in Figure 2, on above-below direction, the lower end cross-section area of flow deflecting cone 6 is greater than upper end cross-section area, 6 pairs of air-flows of flow deflecting cone play gathering effect like this, can improve wind speed thus.In addition, for the motor 31 that drives blower fan 3 to rotate, can be located at flow deflecting cone 6, by flow deflecting cone 6 is set, can provide an effective fixing body for motor 31.
Particularly, according to the utility model embodiment's blower fan 3, can be axial-flow blower or can be also diagonal flow fan.When blower fan 3 is axial-flow blower, casing exhaust outlet 13 is preferably formed on casing 1 top; When blower fan 3 is diagonal flow fan, casing exhaust outlet 13 is preferably formed on the side surface on casing 1 top.Can make like this air-out more reasonable, smooth and easy.
Below with reference to Fig. 2-Figure 10, describe in detail according to the utility model embodiment's the spiral case assembly 8 for indoor apparatus of air conditioner 100.The spiral case assembly 8 for indoor apparatus of air conditioner 100 according to the utility model embodiment, comprises spiral case 4 and noise reduction part 9.Therefore be understandable that, the blower fan 3 of these spiral case assembly 8 interior settings can be the various forms such as axial-flow blower, diagonal flow fan, applied widely according to spiral case assembly 8 of the present utility model.
Referring to Fig. 1 and Fig. 2, it should be noted that, spiral case 4 in spiral case assembly 8 is in air channel during 11 interior setting, its axis can be directed along the vertical direction, one end in the top and bottom of spiral case 4 is that spiral case intake grill 42 and the other end are spiral case exhaust outlet 43, when the upper end of spiral case 4 is spiral case intake grill 42, the lower end of spiral case 4 is spiral case exhaust outlet 43, and spiral case assembly 8 is located at air channel 11 when interior, the wind flowing in air channel 11 enters spiral case 4 from the upper end of spiral case 4, and leaves spiral case 4 from the lower end of spiral case 4; Or when the lower end of spiral case 4 is spiral case intake grill 42, the upper end of spiral case 4 is spiral case exhaust outlet 43, spiral case assembly 8 is located at air channel 11 when interior, and the wind flowing in air channel 11 enters spiral case 4 from the lower end of spiral case 4, and leaves spiral case 4 from the upper end of spiral case 4.
As shown in Figures 2 and 3, in a concrete example of the present utility model, the lower end of spiral case 4 is spiral case intake grill 42, and the upper end of spiral case 4 is spiral case exhaust outlet 43, and wind flows from bottom to top in spiral case 4.Easy in order to describe, the utility model after description will be specifically described with this example.Be understandable that, only as example explanation, do not limit protection domain of the present utility model here.
Wherein, at least a portion sidewall of spiral case 4 is configured to via regions 411, here it should be noted that, via regions 411 refers to, on this region of spiral case 4, be formed with a plurality of through holes 41 and through hole 41 distribution comparatively denses, the aperture of through hole 41 is less particularly, its scope can be controlled within the scope of 1-2mm, can make thus to produce region description between via regions 411 and other regions of spiral case 4 sidewalls feels, be that other regions that certain spiral case 4 sidewalls of through hole 41(of dense distribution are not set in other regions of spiral case 4 sidewalls can be provided for installing, the auxiliary hole of location etc., mounting hole etc.), example as shown in Figure 7.In addition, the shape of through hole 41 can be circle, rectangle, triangle, ellipse etc.
According to the utility model embodiment's spiral case assembly 8, by through hole 41 being set on the sidewall at spiral case 4 and then forming via regions 411, thus when wind flow is interior to spiral case 4, can utilize through hole 41 structures to absorb sound, air-flow can with spiral case 4 sidewalls on through hole 41 produce friction, can effectively reduce low frequency noise, improve tonequality.And spiral case 4 is simple and reasonable, easily processing, applied widely.
As shown in Figure 3 and Figure 4, the corresponding via regions 411 of noise reduction part 9 is located at the outside of spiral case 4, and limits silencing cavity 91 between noise reduction part 9 and the outer side surface of via regions 411.By noise reduction part 9 is set, the outside of via regions 411 has just formed sealed cavity, air-flow enters into silencing cavity 91 when interior by via regions 411 like this, sound energy consumption can rub back and forth in silencing cavity 91, the noise of silencing cavity 91 in can cancellation wider frequency range, thus reach good noise reduction.Through the actual test of inventor, the air-supply noise of the blower fan 3 of indoor apparatus of air conditioner 100 when different rotating speeds generally can reduce 1-3.5dB.
To sum up, according to the utility model embodiment's spiral case assembly 8 there is simple and reasonable, easy processing, tonequality is good, noise is low, the advantage such as applied widely.
Owing to thering is simple and reasonable, easy processing according to the utility model embodiment's spiral case assembly 8, tonequality is good, noise is low, the advantage such as applied widely, therefore, according to the utility model embodiment's indoor apparatus of air conditioner 100, by this spiral case assembly 8 is set, thereby have, tonequality is good, low noise advantages.
As shown in Fig. 8-Fig. 9, in embodiments more of the present utility model, outwards on the internal surface of noise reduction part 9 surface of spiral case 4 (contiguous), be formed with the direction of spiral case 4 (away from) recessed recess 92, between recess 92 and the outer side surface of via regions 411, limit silencing cavity 91.Thus, rational in infrastructure, simple, the easily manufacture of noise reduction part 9.Alternatively, the manufactured materials of noise reduction part 9 can be selected porous media material, for example metal polyporous material and nonmetal porous material.Particularly, metal polyporous material can be the foam porous material of metallic aluminium etc., and nonmetal porous material can be ceramic porous material, the foam porous material of charcoal etc.In a preferred exemplary of the present utility model, noise reduction part 9 can be manufactured by foamed plastics, can reduce like this manufacture cost of noise reduction part 9.
Further, on noise reduction part 9, recess 92 can be to be provided with interval parts 93 between a plurality of and adjacent two recesses 92, that is to say, a plurality of recesses 92 can be spaced apart by interval parts 93, can improve the acoustically effective of silencing cavity 91 thus, but also can make the structural strength of noise reduction part 9 get a promotion to a certain extent, improve its working life.Particularly, interval parts 93 can be raised line 931 or deep trouth 932, particularly, raised line 931 is from the diapire of recess 92 structure that inwardly (i.e. the direction of contiguous spiral case 4) protruded, and deep trouth 932 be from the recessed structure of the diapire of the recess 92 outside direction of spiral case 4 (away from).Alternatively, the depth bounds of recess 92 can be: 1-20mm, and can make thus the Applicable scope of noise reduction part 9 wider, and the structural strength of noise reduction part 9 is larger, not fragile.
Advantageously, as shown in Figure 9, a plurality of recesses 92 can be evenly distributed on the inner side surface of noise reduction part 9, can make like this structure of silencing cavity 91 distribute in spiral case 4 outsides more even, and structure is more stable.More advantageously, noise reduction part 9 is tapered on its longitudinal cross-section, certainly can understand, and this taper refers to roughly tapered, on longitudinal cross-section, the size of noise reduction part 9 reduces gradually in the direction of spiral case intake grill 42 sensing spiral case exhaust outlets 43, that is to say, example as shown in figure 10, on the longitudinal cross-section of noise reduction part 9, the size of noise reduction part 9 reduces from bottom to top gradually, can improve widely like this structural strength of noise reduction part 9, promotes its working life.
As shown in Fig. 3-Fig. 7, in an embodiment of the present utility model, via regions 411 can be that a plurality of and a plurality of via regions 411 arrange around the axis interval of spiral case 4, and noise reduction part 9 is a plurality of one to one with via regions 411.Particularly, in a concrete example of the present utility model, via regions 411 is two and two and is respectively formed at along the both sides of spiral case 4 radial cross sections.Consider the impact of spiral case 4 manufacturing process, interval arranges via regions 411 can make the moulding of spiral case 4 more smooth, has reduced the difficulty of moulding, thereby can reduce the scrappage of material.
In another embodiment of the present utility model, on the whole sidewall of spiral case 4, be all formed with through hole 41, can make thus the acoustically effective of spiral case 4 and noise reduction reach best.
In embodiments more of the present utility model, the aperture of through hole 41 can be controlled within the scope of 1-2mm, and the percentage range that the gross area of through hole 41 accounts for spiral case 4 inner side surface areas is: 1%-5%.Can improve acoustic absorptivity like this, the frequency range that expansion can absorb sound, and then can more effectively reduce low frequency noise, improve tonequality.
Alternatively, as shown in Figure 4 and Figure 5, the shape of through hole 41 can be less than outer end (away from spiral case 4 centers) opening diameter for the inner (contiguous spiral case 4 centers) opening diameter of cone shape hole and cone shape hole.Particularly, along in projection on cone shape hole axial direction, the angle α scope between the opposing sidewalls of cone shape hole can be: 20 °-70 °, as shown in Figure 5.The structural strength that can improve thus via regions 411 is large, extends the working life of spiral case 4.Certainly the utility model is not limited to this, and the shape of through hole 41 can also be straight hole shape, i.e. the interior end opening of through hole 41 and the equal diameters of outer end opening can reduce the moulding difficulty of through hole 41 thus.
According to other configuration examples of the utility model embodiment's indoor apparatus of air conditioner 100, if the concrete structure of heat exchanger 2, blower fan 3 etc. and operation are all known for those of ordinary skills, no longer describe in detail here.
In the description of this specification, the description of reference term " embodiment ", " some embodiments ", " illustrative examples ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present utility model or example in conjunction with specific features, structure, material or the feature of this embodiment or example description.In this manual, the schematic statement of above-mentioned term is not necessarily referred to identical embodiment or example.And the specific features of description, structure, material or feature can be with suitable mode combinations in any one or more embodiments or example.
Although illustrated and described embodiment of the present utility model, those having ordinary skill in the art will appreciate that: in the situation that not departing from principle of the present utility model and aim, can carry out multiple variation, modification, replacement and modification to these embodiments, scope of the present utility model is limited by claim and equivalent thereof.
Claims (16)
1. for a spiral case assembly for indoor apparatus of air conditioner, it is characterized in that, comprising:
Spiral case, the one end in the top and bottom of described spiral case is that spiral case intake grill and the other end are spiral case exhaust outlet, at least a portion sidewall of described spiral case is configured to via regions, is formed with a plurality of through holes in described via regions; And
Noise reduction part, the corresponding described via regions of described noise reduction part is located at the outside of described spiral case, and limits silencing cavity between described noise reduction part and the outer side surface of described via regions.
2. the spiral case assembly for indoor apparatus of air conditioner according to claim 1, is characterized in that, is formed with outwards recessed recess on the internal surface of described noise reduction part, between described recess and the outer side surface of described via regions, limits described silencing cavity.
3. the spiral case assembly for indoor apparatus of air conditioner according to claim 2, is characterized in that, described recess is to be provided with interval parts between a plurality of and adjacent two described recesses.
4. the spiral case assembly for indoor apparatus of air conditioner according to claim 3, is characterized in that, described interval parts is raised line or deep trouth.
5. the spiral case assembly for indoor apparatus of air conditioner according to claim 3, is characterized in that, described a plurality of recesses are evenly distributed on the inner side surface of described noise reduction part.
6. the spiral case assembly for indoor apparatus of air conditioner according to claim 2, is characterized in that, the depth bounds of described recess is: 1-20mm.
7. the spiral case assembly for indoor apparatus of air conditioner according to claim 1, it is characterized in that, described noise reduction part is tapered on its longitudinal cross-section, and in the size of the above noise reduction part of described longitudinal cross-section, at described spiral case intake grill, points in the direction of described spiral case exhaust outlet and reduce gradually.
8. according to the spiral case assembly for indoor apparatus of air conditioner described in any one in claim 1-7, it is characterized in that, described via regions is that a plurality of and described a plurality of via regions arrange around the axis interval of described spiral case, and described noise reduction part is a plurality of one to one with described via regions.
9. the spiral case assembly for indoor apparatus of air conditioner according to claim 8, is characterized in that, described via regions is two and is respectively formed at along the both sides of described spiral case radial cross section.
10. according to the spiral case assembly for indoor apparatus of air conditioner described in any one in claim 1-7, it is characterized in that, on the whole sidewall of described spiral case, be all formed with through hole.
The 11. spiral case assemblies for indoor apparatus of air conditioner according to claim 1, is characterized in that, the pore diameter range of described through hole is: 1-2mm, the percentage range that the gross area of described through hole accounts for described spiral case inner side surface area is: 1%-5%.
The 12. spiral case assemblies for indoor apparatus of air conditioner according to claim 1, is characterized in that, described through hole is that the inner opening diameter of cone shape hole and described cone shape hole is less than outer end opening diameter.
The 13. spiral case assemblies for indoor apparatus of air conditioner according to claim 12, is characterized in that, along in projection on described cone shape hole axial direction, the angular range between the opposing sidewalls of described cone shape hole is: 20 °-70 °.
14. 1 kinds of indoor apparatus of air conditioner, is characterized in that, comprising:
Casing, is limited with the air channel being in communication with the outside in described casing;
Heat exchanger, described heat exchanger is located in described air channel;
Spiral case assembly, described spiral case assembly is according to the spiral case assembly described in any one in claim 1-13; And
In order to drive outside air enter described air channel and by with described heat exchanger heat exchange after the wind blower fan of discharging, described blower fan is located in described spiral case.
15. indoor apparatus of air conditioner according to claim 14, is characterized in that, also comprise:
Rectification leaf, a side of the described spiral case exhaust outlet of vicinity that described rectification leaf is located at described spiral case.
16. indoor apparatus of air conditioner according to claim 15, is characterized in that, also comprise:
Flow deflecting cone, described flow deflecting cone is located between described spiral case and described rectification leaf, and the cross-section area of the described spiral case of vicinity one end of described flow deflecting cone is greater than the cross-section area of contiguous described rectification leaf one end, has the perforate that air feed passes through on described flow deflecting cone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420153549.XU CN203809363U (en) | 2014-03-31 | 2014-03-31 | Volute assembly for air-conditioner indoor unit and air-conditioner indoor unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420153549.XU CN203809363U (en) | 2014-03-31 | 2014-03-31 | Volute assembly for air-conditioner indoor unit and air-conditioner indoor unit |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104359208A (en) * | 2014-11-13 | 2015-02-18 | 广东美的制冷设备有限公司 | Indoor unit of air conditioner, outdoor unit of air conditioner and noise reduction device of air conditioner |
| CN106369787A (en) * | 2016-10-25 | 2017-02-01 | 广东美的制冷设备有限公司 | Air guide assembly for air conditioner outdoor unit and air conditioner outdoor unit |
| CN107152417A (en) * | 2017-06-28 | 2017-09-12 | 陈涛 | A kind of Jing Yin spiral case and Jing Yin range hood |
| CN109059232A (en) * | 2018-10-24 | 2018-12-21 | 奥克斯空调股份有限公司 | air channel structure and air conditioner |
| WO2019000633A1 (en) * | 2017-06-26 | 2019-01-03 | 深圳市普瑞美泰环保科技有限公司 | Noise-cancelling structure of air cleaner |
| CN110857706A (en) * | 2018-08-23 | 2020-03-03 | 建凖电机工业股份有限公司 | Fan frame capable of reducing noise |
| CN111102247A (en) * | 2018-10-25 | 2020-05-05 | 广东美的白色家电技术创新中心有限公司 | Amortization subassembly, centrifugal fan's spiral case subassembly, centrifugal fan and lampblack absorber |
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2014
- 2014-03-31 CN CN201420153549.XU patent/CN203809363U/en not_active Expired - Lifetime
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104359208B (en) * | 2014-11-13 | 2016-12-07 | 广东美的制冷设备有限公司 | Air conditioner room unit, off-premises station and air-conditioner denoising device thereof |
| CN104359208A (en) * | 2014-11-13 | 2015-02-18 | 广东美的制冷设备有限公司 | Indoor unit of air conditioner, outdoor unit of air conditioner and noise reduction device of air conditioner |
| CN106369787A (en) * | 2016-10-25 | 2017-02-01 | 广东美的制冷设备有限公司 | Air guide assembly for air conditioner outdoor unit and air conditioner outdoor unit |
| CN106369787B (en) * | 2016-10-25 | 2019-07-30 | 广东美的制冷设备有限公司 | Wind guiding component and air-conditioner outdoor unit for air-conditioner outdoor unit |
| WO2019000633A1 (en) * | 2017-06-26 | 2019-01-03 | 深圳市普瑞美泰环保科技有限公司 | Noise-cancelling structure of air cleaner |
| CN107152417A (en) * | 2017-06-28 | 2017-09-12 | 陈涛 | A kind of Jing Yin spiral case and Jing Yin range hood |
| CN107152417B (en) * | 2017-06-28 | 2023-12-05 | 陈涛 | Mute volute and mute range hood |
| CN110857706A (en) * | 2018-08-23 | 2020-03-03 | 建凖电机工业股份有限公司 | Fan frame capable of reducing noise |
| CN110857706B (en) * | 2018-08-23 | 2020-12-29 | 建凖电机工业股份有限公司 | Fan frame capable of reducing noise |
| CN109059232A (en) * | 2018-10-24 | 2018-12-21 | 奥克斯空调股份有限公司 | air channel structure and air conditioner |
| CN109059232B (en) * | 2018-10-24 | 2024-05-10 | 奥克斯空调股份有限公司 | Air duct structure and air conditioner |
| CN111102247A (en) * | 2018-10-25 | 2020-05-05 | 广东美的白色家电技术创新中心有限公司 | Amortization subassembly, centrifugal fan's spiral case subassembly, centrifugal fan and lampblack absorber |
| CN111102247B (en) * | 2018-10-25 | 2022-05-17 | 广东美的白色家电技术创新中心有限公司 | Amortization subassembly, centrifugal fan's spiral case subassembly, centrifugal fan and lampblack absorber |
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