CN212318337U - Fan and air conditioner - Google Patents
Fan and air conditioner Download PDFInfo
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- CN212318337U CN212318337U CN202021105623.2U CN202021105623U CN212318337U CN 212318337 U CN212318337 U CN 212318337U CN 202021105623 U CN202021105623 U CN 202021105623U CN 212318337 U CN212318337 U CN 212318337U
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Abstract
The utility model provides a fan and air conditioner. Wherein, the fan includes: a volute comprising a first sidewall assembly and a second sidewall assembly disposed in opposition; any one of the first side wall assembly and the second side wall assembly comprises a side wall and a flow guide ring, and the flow guide ring is arranged on the side wall; wherein, part water conservancy diversion circle protrusion is in the surface of lateral wall. The utility model discloses a rationally set up the cooperation structure of lateral wall and water conservancy diversion circle for the partial water conservancy diversion circle protrusion of locating the lateral wall has strengthened the structural strength of first lateral wall subassembly and second lateral wall subassembly, and like this, produced deflection when having reduced the spiral case dismouting, reduced the possibility that spiral case concatenation position takes place to warp or even misplace, solved among the correlation technique because of the concatenation department of spiral case takes place to warp and leads to the big problem of running noise of product, the performance and the market competition of product have been promoted.
Description
Technical Field
The utility model relates to an air conditioner technical field particularly, relates to a fan and an air conditioner.
Background
The air duct type air conditioner indoor unit generally adopts a centrifugal fan 100' as an air power source. As shown in fig. 1 and 2, the blower 100 ' includes a volute 110 ' and an impeller 130 ', the volute 110 ' is split into two parts for conveniently dismounting and mounting the impeller 130 ' or the motor, and the guide ring 118 ' of the volute 110 ' is also split into two parts during the splitting. Therefore, after the volute 110 ' is recombined, the joint of the volute 110 ' is easy to deform, and further the air inlet flow of the fan 100 ' is not smooth, and the operation noise is high.
SUMMERY OF THE UTILITY MODEL
The present invention aims at least solving one of the technical problems existing in the prior art or the related art.
Therefore, the utility model discloses a first aspect provides a fan.
A second aspect of the present invention provides an air conditioner.
In view of this, the utility model discloses a first aspect provides a fan, include: a volute comprising a first sidewall assembly and a second sidewall assembly disposed in opposition; any one of the first side wall assembly and the second side wall assembly comprises a side wall and a flow guide ring, and the flow guide ring is arranged on the side wall; wherein, part water conservancy diversion circle protrusion is in the surface of lateral wall.
The utility model provides a pair of fan includes the spiral case, and the spiral case has first lateral wall subassembly and second lateral wall subassembly, and just first lateral wall subassembly and second lateral wall subassembly are relative and interval arrangement. Wherein, any one in first lateral wall subassembly and the second lateral wall subassembly includes lateral wall and water conservancy diversion circle, cooperation structure through reasonable setting up lateral wall and water conservancy diversion circle, make the partial water conservancy diversion circle protrusion in the surface of lateral wall of locating the lateral wall, the structural strength of first lateral wall subassembly and second lateral wall subassembly has been strengthened, thus, produced deflection when having reduced the spiral case dismouting, the spiral case concatenation position has been reduced and has taken place to warp the possibility even misplaced, the problem that the operating noise that leads to the product is big because of the concatenation department of spiral case takes place to warp among the correlation technique is solved, the performance and the market competition of product have been promoted.
According to the utility model discloses foretell fan can also have following additional technical characterstic:
in the above technical solution, further, the inner surface of part of the deflector ring protrudes from the outer surface of the sidewall.
In this technical scheme, the fan still includes the impeller, and the impeller is located the spiral case, and the impeller has the blade, and the outer fringe and the water conservancy diversion circle of part blade correspond the setting, through the structure of rationally setting up the water conservancy diversion circle for the internal surface protrusion in the surface of lateral wall of part water conservancy diversion circle, so increased the clearance between partial outer fringe and the water conservancy diversion circle of blade. Because fan during operation, the impeller rotates and can arouse the air current disturbance, and then can cause the impact to the internal surface of spiral case, the utility model discloses because the clearance between the internal surface of the partial outer fringe of increase blade and water conservancy diversion circle, so, can slow down the air current to the impact strength of spiral case internal surface, and then can reduce the running noise of product.
Furthermore, because the gap between part of the outer edge of the blade and the inner surface of the guide ring is increased, the impeller with longer axial length can be assembled under the condition that the gap between part of the outer edge of the blade and the inner surface of the guide ring is constant, the working capacity of the impeller can be increased, the running rotating speed of the fan can be reduced under the condition that the air quantity is constant, and the running noise of a product is reduced.
In any of the above technical solutions, further, the side wall is provided with an opening, a part of the flow guiding ring is connected with the opening, and another part of the flow guiding ring extends toward the outside of the volute, then extends toward the inside of the volute, and extends into the opening.
In the technical scheme, the structure of the guide ring is reasonably arranged, so that one part of the guide ring is connected with the opening of the side wall, and the other part of the guide ring extends towards the outside of the volute firstly and then extends towards the inside of the volute and extends into the opening. The arrangement ensures the effectiveness of diversion and gas leakage prevention of the diversion ring, and provides effective and reliable structural support for the part of the diversion ring protruding out of the outer surface of the side wall.
In any of the above technical solutions, further, the flow guiding ring includes a first annular flow guiding portion and a second annular flow guiding portion connected to each other; the lateral wall is located to the one end of first annular water conservancy diversion portion, and the other end of first annular water conservancy diversion portion extends towards the spiral case outside, and second annular water conservancy diversion portion extends to the spiral case inside from the other end of first annular water conservancy diversion portion.
In this technical scheme, the water conservancy diversion circle includes first annular water conservancy diversion portion and second annular water conservancy diversion portion, and first annular water conservancy diversion portion and second annular water conservancy diversion portion are connected, and wherein, second annular water conservancy diversion portion extends to the spiral case is inside from the other end of first annular water conservancy diversion portion, and this setting makes the junction of first annular water conservancy diversion portion and second annular water conservancy diversion portion, for the maximum distance department of the surface of water conservancy diversion circle to the surface of lateral wall, and the other end of second annular water conservancy diversion portion stretches into in the opening of lateral wall.
In any one of the above technical solutions, further, the fan further includes: the impeller is arranged in the volute and provided with blades; the outer surface of the other end of first annular water conservancy diversion portion to the distance L1 of the outer surface of lateral wall, with the one end that second annular water conservancy diversion portion deviates from first annular water conservancy diversion portion to the distance L2 of the one end of blade orientation first annular water conservancy diversion portion, satisfy: l1 is more than or equal to 0.1 xL 2 and less than or equal to 0.9 xL 2.
In this embodiment, a distance from an outer surface of the other end of the first annular flow guide portion to an outer surface of the sidewall is denoted as L1, and a distance from an end of the second annular flow guide portion away from the first annular flow guide portion to an end of the vane facing the first annular flow guide portion is denoted as L2. Since the increase of L2 causes the increase of airflow backflow, which in turn causes airflow loss and airflow noise, the relationship between L1 and L2 needs to be properly defined to satisfy: l1 is more than or equal to 0.1 xL 2 and less than or equal to 0.9 xL 2, so that the air volume of the product and the operation noise of the product are both considered, and the optimization of the use performance of the product is realized.
In any of the above technical solutions, further, the thickness of the first annular flow guiding portion is not equal to the thickness of the second annular flow guiding portion.
In this technical scheme, in order to prevent that the spiral case from cooling solidification stress after the drawing of patterns moulds plastics and drawing, and in order to strengthen the structural strength of first lateral wall subassembly and second lateral wall subassembly, and then produced deflection when reducing the spiral case dismouting, the utility model discloses a prescribe a limit to the relation of the thickness of first annular water conservancy diversion portion and the thickness of second annular water conservancy diversion portion for the two thickness is different, like this, under the less condition of produced deflection when guaranteeing the spiral case dismouting, promotes the cooling setting speed of spiral case after the drawing of patterns moulds plastics through thinner annular water conservancy diversion portion.
In any of the above technical solutions, further, the thickness of the first annular flow guiding portion is greater than the thickness of the second annular flow guiding portion.
In this technical scheme, through the thickness relation of the thickness of the first annular water conservancy diversion portion of reasonable setting and second annular water conservancy diversion portion for the thickness of first annular water conservancy diversion portion is greater than the thickness of second annular water conservancy diversion portion, promptly, does thickening at the root of water conservancy diversion circle, with the structural strength who strengthens first lateral wall subassembly and second lateral wall subassembly, and then produced deflection when reducing the spiral case dismouting. Meanwhile, the thickness of the second annular flow guide part is thinner relative to that of the first annular flow guide part, namely, the second annular flow guide part is thinned, so that the cooling and shaping speed of the volute after injection molding and demolding can be increased, and the condition that the cooling and curing stress of the volute after injection molding and demolding is deformed can be prevented.
In any of the above technical solutions, further, the diameter D1 of the opening and the outer diameter D2 of the impeller satisfy: d2 is not less than D1 is not less than 1.06 multiplied by D2.
In the technical scheme, the relationship between the diameter D1 of the opening and the outer diameter D2 of the impeller is reasonably set to satisfy the following conditions: d2 is not less than D1 is not less than 1.06 multiplied by D2, thus, the air quantity of the product and the running noise of the product are considered, and the optimization of the use performance of the product is realized.
In any of the above technical solutions, further, the side wall and the flow guiding ring are of an integrated structure.
In the technical scheme, the side wall is integrally connected with the flow guide ring, and the integral structure is arranged, so that the assembling process and the subsequent disassembling process of the side wall and the flow guide ring are simplified due to the fact that the assembling process of the side wall and the flow guide ring is omitted, the assembling and disassembling efficiency of the volute is improved, and the production and maintenance cost of a product can be reduced. In addition, the arrangement can ensure the forming dimensional accuracy requirements of the first side wall component and the second side wall component.
Specifically, the side wall and the guide ring are integrally formed by injection molding.
A second aspect of the present invention provides an air conditioner, comprising a fan according to any one of the first aspect.
The utility model provides an air conditioner is because of including as in the first aspect in arbitrary technical scheme's fan, consequently has the whole beneficial effect of above-mentioned fan, does not make the statement one by one here.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic view showing a partial structure of a fan in the related art;
FIG. 2 is a partial schematic view of a fan in the related art;
fig. 3 shows a schematic structural diagram of a fan according to an embodiment of the present invention;
fig. 4 shows a schematic partial structure diagram of a fan according to an embodiment of the present invention;
FIG. 5 is a dimensional schematic of the blower of FIG. 4;
fig. 6 shows a schematic partial structural diagram of a fan according to an embodiment of the present invention.
Wherein, the correspondence between the reference numbers and the component names in fig. 1 and fig. 2 is:
100 ' fan, 110 ' volute, 118 ' inducer, 130 ' impeller, 132 ' blade;
the correspondence between reference numerals and part names in fig. 3 to 6 is:
100 fan, 110 volute, 112 first sidewall assembly, 114 second sidewall assembly, 116 sidewall, 118 inducer, 120 opening, 122 first annular inducer, 124 second annular inducer, 130 impeller, 132 blades, 134 mid-disk, 136 rim, 140 split line.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
The blower 100 and the air conditioner according to some embodiments of the present invention are described below with reference to fig. 3 to 6.
Example 1:
as shown in fig. 3, 4, 5 and 6, an embodiment of the first aspect of the present invention provides a wind turbine 100 including a volute 110, the volute 110 has a first sidewall assembly 112 and a second sidewall assembly 114, the first sidewall assembly 112 and the second sidewall assembly 114 are arranged opposite and spaced apart, any one of the first sidewall assembly 112 and the second sidewall assembly 114 includes a sidewall 116 and a deflector ring 118, the deflector ring 118 is disposed on the sidewall 116, and a portion of the deflector ring 118 protrudes from an outer surface of the sidewall 116.
In detail, any one of the first side wall assembly 112 and the second side wall assembly 114 includes a side wall 116 and a deflector ring 118, and by reasonably setting the matching structure of the side wall 116 and the deflector ring 118, a part of the deflector ring 118 arranged on the side wall 116 protrudes out of the outer surface of the side wall 116, so that the structural strength of the first side wall assembly 112 and the second side wall assembly 114 is enhanced, thus the deformation amount generated when the volute 110 is disassembled and assembled is reduced, the possibility that the splicing part of the volute 110 deforms or even misplaces is reduced, the problem of large operation noise of a product caused by the deformation of the splicing part of the volute 110 in the related art is solved, and the use performance and market competitiveness of the product are improved.
Specifically, as shown in fig. 3, the split line 140 of the volute 110 is located on the first sidewall assembly 112 and the second sidewall assembly 114. That is, after the volute 110 is disassembled, the sidewall 116 of the first sidewall assembly 112 is disassembled, the baffle ring 118 of the first sidewall assembly 112 is disassembled, the sidewall 116 of the second sidewall assembly 114 is disassembled, and the baffle ring 118 of the second sidewall assembly 114 is disassembled. Specifically, fan 100 is a centrifugal fan.
Example 2:
as shown in fig. 4, 5 and 6, according to an embodiment of the invention, including the features defined in any of the above embodiments, and further: the inner surface of part of the deflector ring 118 protrudes from the outer surface of the sidewall 116.
In detail, the fan 100 further includes an impeller 130, the impeller 130 is located in the volute 110, the impeller 130 has blades 132, outer edges of some of the blades 132 are disposed corresponding to the flow guiding ring 118, and by reasonably disposing the structure of the flow guiding ring 118, inner surfaces of some of the flow guiding ring 118 protrude from outer surfaces of the sidewalls 116, so that gaps between some outer edges of the blades 132 and the flow guiding ring 118 are increased. Because fan 100 during operation, impeller 130 rotates and can arouse the air current disturbance, and then can cause the impact to the internal surface of spiral case 110, the utility model discloses because the clearance between the partial outer fringe of increase blade 132 and the internal surface of water conservancy diversion circle 118, so, can slow down the impact strength of air current to spiral case 110 internal surface, and then can reduce the running noise of product.
Further, since the gap between part of the outer edge of the blade 132 and the inner surface of the flow guiding ring 118 is increased, the impeller 130 with a longer axial length can be assembled under the condition that the gap between part of the outer edge of the blade 132 and the inner surface of the flow guiding ring 118 is constant, so that the power-applying capacity of the impeller 130 can be increased, the operation speed of the fan 100 can be reduced under the condition that the air volume is constant, and the operation noise of the product can be reduced.
Specifically, fig. 2 shows a partial structural schematic view of a fan 100 'in the related art, in which an impeller 130' has blades 132 ', a part of outer edges of the blades 132' is disposed corresponding to a guide ring 118 ', and a maximum distance from an inner surface of the guide ring 118' to the outer edges of the blades 132 'is L3'. Fig. 5 is a schematic size diagram of the fan 100 according to an embodiment of the present invention, and it can be seen from comparison between fig. 5 and fig. 2 that the present invention increases the distance L3 from the inner surface of the guide ring 118 to the partial outer edge of the blade 132, more precisely, the distance L3 from the inner surface of the other end of the first annular guide portion 122 to the outer edge of the blade 132, so that the present invention increases the gap between the partial outer edge of the blade 132 and the guide ring 118, thus, the impact strength of the airflow on the inner surface of the volute 110 can be reduced, and the operating noise of the product can be reduced.
Example 3:
as shown in fig. 6, according to an embodiment of the present invention, including the features defined in any of the above embodiments, and further: the sidewall 116 defines an opening 120, a portion of the deflector ring 118 is connected to the opening 120, and another portion of the deflector ring 118 extends toward the exterior of the volute 110, then extends toward the interior of the volute 110, and extends into the opening 120.
In detail, by properly arranging the structure of the deflector ring 118, a portion of the deflector ring 118 is connected to the opening 120 of the sidewall 116, and another portion of the deflector ring 118 extends toward the outside of the volute 110 and then extends toward the inside of the volute 110 and extends into the opening 120. That is, the distribution trend of the deflector ring 118 is limited, and this arrangement provides effective and reliable structural support for a portion of the deflector ring 118 protruding from the outer surface of the sidewall 116 while ensuring the effectiveness of the deflector ring 118 in deflecting and preventing gas leakage.
Further, as shown in fig. 4 and 6, the deflector ring 118 includes a first annular deflector portion 122 and a second annular deflector portion 124, the first annular deflector portion 122 and the second annular deflector portion 124 are connected, one end of the first annular deflector portion 122 is connected to the side wall 116, the other end of the first annular deflector portion 122 extends toward the outside of the scroll casing 110, and the second annular deflector portion 124 extends from the other end of the first annular deflector portion 122 toward the inside of the scroll casing 110. The arrangement is such that the junction of the first and second annular flow guides 122, 124 is the maximum distance from the outer surface of the flow guide ring 118 to the outer surface of the side wall 116, and the other end of the second annular flow guide 124 extends into the opening 120 of the side wall 116.
Specifically, the first annular flow guiding portion 122 includes two detachable portions, and the second annular flow guiding portion 124 includes two detachable portions, that is, after the volute 110 is disassembled, the first annular flow guiding portion 122 is disassembled into a first arc-shaped structure and a second arc-shaped structure, and the second annular flow guiding portion 124 is disassembled into a third arc-shaped structure and a fourth arc-shaped structure.
Wherein, first arc structure and third arc structure formula structure as an organic whole, second arc structure and fourth arc structure formula structure as an organic whole, the assembly process of first arc structure and third arc structure has been saved to the integral type structure setting, and the assembly process of second arc structure and fourth arc structure has been saved, so the assembly of water conservancy diversion circle 118 and the process of follow-up dismantlement have been simplified, be favorable to promoting the assembly and the dismantlement efficiency of spiral case 110, and then can reduce the production and the maintenance cost of product. In addition, the arrangement can ensure the dimensional accuracy requirement of the forming of the guide ring 118. That is, after the volute 110 is split, the flow guiding ring 118 is split into two parts, one part of the flow guiding ring 118 includes the first arc-shaped structure and the third arc-shaped structure, and the other part of the flow guiding ring 118 includes the second arc-shaped structure and the fourth arc-shaped structure.
Further, as shown in fig. 4 and 5, the fan 100 further includes an impeller 130, the impeller 130 is located in the volute 110, the impeller 130 is provided with a vane 132, a distance from an outer surface of the other end of the first annular guiding portion 122 to an outer surface of the side wall 116 is denoted as L1, a distance from one end of the second annular guiding portion 124 away from the first annular guiding portion 122 to one end of the vane 132 facing the first annular guiding portion 122 is denoted as L2, and since an increase of L2 causes an increase of airflow backflow, which may cause airflow loss and airflow noise, a relationship between L1 and L2 needs to be reasonably defined, so that the relationship satisfies: l1 is more than or equal to 0.1 xL 2 and less than or equal to 0.9 xL 2, so that the air volume of the product and the operation noise of the product are both considered, and the optimization of the use performance of the product is realized.
Specifically, when L1 is equal to L2, the air volume and the running noise of the product are optimized.
Example 4:
according to an embodiment of the invention, including the features defined in any of the above embodiments, and further: the thickness of the first annular flow guide portion 122 is not equal to the thickness of the second annular flow guide portion 124.
In detail, in order to prevent that spiral case 110 from cooling solidification stress after the drawing of patterns moulds plastics and drawing, and in order to strengthen first side wall component 112 and second side wall component 114's structural strength, and then produced deflection when reducing spiral case 110 dismouting, the utility model discloses a injecing the relation of the thickness of first annular water conservancy diversion portion 122 and the thickness of second annular water conservancy diversion portion 124 for the thickness of the two is different, like this, under the less condition of produced deflection when guaranteeing spiral case 110 dismouting, promotes the cooling design speed of spiral case 110 after the drawing of patterns moulds plastics through thinner annular water conservancy diversion portion.
Further, as shown in fig. 5, the thickness t1 of the first annular flow guide 122 is greater than the thickness t2 of the second annular flow guide 124. That is, the root of the baffle ring 118 is thickened to enhance the structural strength of the first sidewall assembly 112 and the second sidewall assembly 114, thereby reducing the deformation of the volute 110 during assembly and disassembly. Meanwhile, since the thickness t2 of the second annular flow guide portion 124 is thinner than the thickness t1 of the first annular flow guide portion 122, that is, the second annular flow guide portion 124 is thinned, the cooling and shaping speed of the volute 110 after injection and demolding can be increased, and the situation that the cooling and curing stress of the volute 110 is changed after injection and demolding can be prevented.
Specifically, the thickness of any region of the first annular flow guide 122 is greater than the thickness of any region of the second annular flow guide 124.
Further, the thickness of the deflector ring 118 gradually increases from the second annular deflector portion 124 toward the first annular deflector portion 122. Therefore, the structural strength of the first side wall assembly 112 and the second side wall assembly 114 is enhanced, the cooling and shaping speed of the volute 110 after injection and demolding can be increased, the arrangement is convenient to process, the requirement on a mold is low, and the production cost is low.
Example 5:
as shown in fig. 6, according to an embodiment of the present invention, including the features defined in any of the above embodiments, and further: the diameter D1 of the opening 120 and the outer diameter D2 of the impeller 130 satisfy: d2 is not less than D1 is not less than 1.06 multiplied by D2.
In detail, the relationship between the diameter D1 of the opening 120 and the outer diameter D2 of the impeller 130 is properly set to satisfy: d2 is not less than D1 is not less than 1.06 multiplied by D2, thus, the air quantity of the product and the running noise of the product are considered, and the optimization of the use performance of the product is realized.
Example 6:
according to an embodiment of the invention, including the features defined in any of the above embodiments, and further: the sidewall 116 and the deflector ring 118 are of a unitary construction.
In detail, the side wall 116 is integrally connected with the flow guiding ring 118, and the integral structure simplifies the assembling and subsequent disassembling processes of the side wall 116 and the flow guiding ring 118 due to the fact that the assembling process of the side wall 116 and the flow guiding ring 118 is omitted, so that the assembling and disassembling efficiency of the volute 110 is improved, and the production and maintenance cost of a product can be reduced. In addition, this arrangement may ensure the dimensional accuracy requirements of the formation of the first and second sidewall assemblies 112, 114.
Specifically, the sidewall 116 and the deflector ring 118 are integrally injection molded.
Example 7:
an embodiment of the second aspect of the present invention provides an air conditioner, comprising a fan 100 as in any one of the embodiments of the first aspect. Therefore, all the advantages of the wind turbine 100 according to any embodiment of the first aspect are not mentioned herein.
The specific embodiment is as follows:
1. a fan 100 includes a volute 110 and an impeller 130. The impeller 130 is provided with a central disc 134, blades 132 and a frame 136; the vane 132 is connected at one end to the center plate 134 and at the other end to the rim 136. The spiral casing 110 is provided with a spiral body, and a first side wall assembly 112 and a second side wall assembly 114 connected with the spiral body, the first side wall assembly 112, the second side wall assembly 114 and the spiral body surround a cavity for accommodating the impeller 130, any one of the first side wall assembly 112 and the second side wall assembly 114 comprises a side wall 116 and a deflector ring 118 connected with the side wall 116, and part of the deflector ring 118 protrudes out of the outer surface of the side wall 116.
2. The distance L1 from the outer surface of the other end of the first annular flow guide portion 122 to the outer surface of the side wall 116 and the distance L2 from the end of the second annular flow guide portion 124 facing away from the first annular flow guide portion 122 to the end of the vane 132 facing toward the first annular flow guide portion 122 satisfy: l1 is more than or equal to 0.1 xL 2 and less than or equal to 0.9 xL 2. Wherein, when L1 equals L2, the air volume and the running noise of the product are optimized.
3. The thickness t1 of the first annular flow guide 122 is not equal to the thickness t2 of the second annular flow guide 124.
4. The thickness t1 of the first annular flow guide 122 is greater than the thickness t2 of the second annular flow guide 124.
5. The diameter D1 of the opening 120 and the outer diameter D2 of the impeller 130 satisfy: d2 is not less than D1 is not less than 1.06 multiplied by D2.
In the present application, the term "plurality" means two or more unless expressly defined otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the description of the present specification, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A fan, comprising:
a volute comprising a first sidewall assembly and a second sidewall assembly disposed in opposition;
any one of the first side wall assembly and the second side wall assembly comprises a side wall and a flow guide ring, and the flow guide ring is arranged on the side wall;
wherein, part of the guide ring protrudes out of the outer surface of the side wall.
2. The fan of claim 1,
part of the inner surface of the guide ring protrudes out of the outer surface of the side wall.
3. The fan according to claim 1 or 2,
the side wall is provided with an opening, one part of the flow guide ring is connected with the opening, and the other part of the flow guide ring extends towards the outer part of the volute and then extends towards the inner part of the volute and extends into the opening.
4. The fan of claim 3,
the flow guide ring comprises a first annular flow guide part and a second annular flow guide part which are connected;
one end of the first annular flow guide portion is arranged on the side wall, the other end of the first annular flow guide portion extends towards the outside of the volute, and the second annular flow guide portion extends towards the inside of the volute from the other end of the first annular flow guide portion.
5. The blower of claim 4, further comprising:
the impeller is arranged in the volute and provided with blades;
the distance L1 between the outer surface of the other end of the first annular flow guide part and the outer surface of the side wall and the distance L2 between one end of the second annular flow guide part departing from the first annular flow guide part and one end of the blade facing the first annular flow guide part satisfy the following conditions: l1 is more than or equal to 0.1 xL 2 and less than or equal to 0.9 xL 2.
6. The fan of claim 4,
the thickness of the first annular flow guide part is not equal to that of the second annular flow guide part.
7. The fan of claim 6,
the thickness of the first annular flow guide part is larger than that of the second annular flow guide part.
8. The fan of claim 5,
the diameter D1 of the opening and the outer diameter D2 of the impeller meet: d2 is not less than D1 is not less than 1.06 multiplied by D2.
9. The fan according to claim 1 or 2,
the side wall and the guide ring are of an integrated structure.
10. An air conditioner, comprising:
the blower of any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021105623.2U CN212318337U (en) | 2020-06-16 | 2020-06-16 | Fan and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021105623.2U CN212318337U (en) | 2020-06-16 | 2020-06-16 | Fan and air conditioner |
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| CN212318337U true CN212318337U (en) | 2021-01-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024146079A1 (en) * | 2023-01-03 | 2024-07-11 | 广东美的制冷设备有限公司 | Volute, fan, and air conditioner |
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- 2020-06-16 CN CN202021105623.2U patent/CN212318337U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024146079A1 (en) * | 2023-01-03 | 2024-07-11 | 广东美的制冷设备有限公司 | Volute, fan, and air conditioner |
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