CN218439904U - Flow guide ring assembly, axial flow fan and equipment with axial flow fan - Google Patents
Flow guide ring assembly, axial flow fan and equipment with axial flow fan Download PDFInfo
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- CN218439904U CN218439904U CN202221847278.9U CN202221847278U CN218439904U CN 218439904 U CN218439904 U CN 218439904U CN 202221847278 U CN202221847278 U CN 202221847278U CN 218439904 U CN218439904 U CN 218439904U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 94
- 230000004323 axial length Effects 0.000 claims description 9
- 238000009434 installation Methods 0.000 description 24
- 241000883990 Flabellum Species 0.000 description 8
- 230000003068 static effect Effects 0.000 description 5
- 239000000411 inducer Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000001580 bacterial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model provides a water conservancy diversion circle subassembly, axial fan and have axial fan's equipment relates to fan equipment technical field. The guide ring assembly comprises an annular guide ring, and the guide ring comprises a first guide part, a second guide part and a third guide part which are sequentially connected and coaxially arranged; the internal diameter of first water conservancy diversion portion is along keeping away from the direction crescent of second water conservancy diversion portion the internal diameter of third water conservancy diversion portion is along keeping away from the direction linearity of second water conservancy diversion portion increases progressively, the molded lines of third water conservancy diversion portion along self axial cross-section for the molded lines of second water conservancy diversion portion along self axial cross-section outwards inclines. The utility model provides a water conservancy diversion circle subassembly, axial fan and have axial fan's equipment helps reducing air loss and air-out noise, improves the air-out flow field.
Description
Technical Field
The utility model relates to a fan equipment technical field especially relates to a water conservancy diversion circle subassembly, axial fan and have axial fan's equipment.
Background
The guide ring is usually used in cooperation with an axial flow fan for guiding airflow and establishing a proper airflow velocity field and a proper pressure field.
The guide ring used by the traditional air conditioner is mostly in a straight cylinder shape, the guide and gas collection effects are poor, the air quantity of the axial flow fan is influenced, and the performance of the axial flow fan is difficult to ensure. And eddy flow is easily generated, resulting in that the axial flow fan emits large noise.
SUMMERY OF THE UTILITY MODEL
The utility model provides a water conservancy diversion circle subassembly, axial fan and have axial fan's equipment for the water conservancy diversion of water conservancy diversion circle and the gas collection effect are not good among the solution prior art, influence the technical problem of axial fan performance.
In a first aspect, the utility model provides a flow guiding ring assembly, which comprises an annular flow guiding ring, wherein the flow guiding ring comprises a first flow guiding part, a second flow guiding part and a third flow guiding part which are sequentially connected and coaxially arranged;
the inner diameter of the first flow guide part is gradually increased along the direction far away from the second flow guide part;
the inner diameter of the third flow guide part increases in a linear mode along the direction far away from the second flow guide part, and the molded line of the section of the third flow guide part along the self axial direction is inclined outwards relative to the molded line of the section of the second flow guide part along the self axial direction.
According to the utility model provides a pair of water conservancy diversion circle subassembly, first water conservancy diversion portion is the arc along the molded lines in self axial cross-section, second water conservancy diversion portion with first water conservancy diversion portion is connected mutually.
According to the utility model provides a pair of water conservancy diversion circle subassembly, the central angle of first water conservancy diversion portion along the molded lines of self axial cross-section is 50 ~ 60.
According to the utility model provides a pair of water conservancy diversion circle subassembly, first water conservancy diversion portion the second water conservancy diversion portion with the length relation of third water conservancy diversion portion is:
L1∶L2∶L3＝4∶2∶3；
wherein, L1 is first water conservancy diversion portion follows the axial length of water conservancy diversion circle, L2 is the second water conservancy diversion portion follows the axial length of water conservancy diversion circle, L3 is the third water conservancy diversion portion follows the axial length of water conservancy diversion circle.
According to the utility model provides a pair of water conservancy diversion circle subassembly, the third water conservancy diversion portion along the molded lines of self axial cross-section with the contained angle of extension line of the molded lines of self axial cross-section is 8 ~ 12 for the second water conservancy diversion portion.
According to the utility model provides a pair of water conservancy diversion circle subassembly, third water conservancy diversion portion is kept away from the one end of second water conservancy diversion portion is provided with the turn-ups, the turn-ups is followed the radial evagination of third water conservancy diversion portion.
According to the utility model provides a pair of water conservancy diversion circle subassembly, the water conservancy diversion circle subassembly is still including the installation panel, the installation panel includes the fresh air inlet, first water conservancy diversion portion with the installation panel link to each other and with the fresh air inlet is linked together.
According to the utility model provides a pair of water conservancy diversion circle subassembly, the protruding upright wall that is equipped with of installation panel, found the wall set up in the border of installation panel and edge the axial extension of water conservancy diversion circle, at least two are adjacent found to be equipped with the breach between the wall.
In a second aspect, the utility model provides an axial fan, include like the first aspect the water conservancy diversion circle subassembly, still include flabellum subassembly and screen panel, flabellum subassembly at least part set up in the space that the inner wall of water conservancy diversion circle subassembly encloses, the screen panel with the third water conservancy diversion portion of water conservancy diversion circle subassembly is connected, flabellum unit mount in the screen panel.
In a third aspect, the present invention provides an apparatus having an axial fan, comprising an axial fan as described in the second aspect.
The utility model provides a water conservancy diversion circle subassembly, axial fan and have axial fan's equipment, through setting up first water conservancy diversion portion, second water conservancy diversion portion and third water conservancy diversion portion connect gradually and coaxial setting, the internal diameter of first water conservancy diversion portion increases along the direction of keeping away from second water conservancy diversion portion gradually, make axial fan's air inlet flow from big footpath end flow direction path end to the path end under the guide of first water conservancy diversion portion, further flow in second water conservancy diversion portion, the impact of air current to the water conservancy diversion circle inner wall has been slowed down, and the air current has been gathered well, reduce the resistance of axial fan entry, help reducing the amount of wind loss, promote axial fan's the amount of wind; the inner diameter of the third flow guide part is linearly increased along the direction far away from the second flow guide part, the molded line of the axial section of the third flow guide part is inclined outwards relative to the molded line of the axial section of the second flow guide part, so that an internal flow field is optimized, partial dynamic pressure of air flow is converted into static pressure in the process that the air flow flows from the second flow guide part to the third flow guide part, the air outlet noise of the axial flow fan is reduced, and the air outlet flow field is improved.
Drawings
In order to more clearly illustrate the technical solutions of the present invention or the prior art, the following briefly introduces the drawings required for the embodiments or the prior art descriptions, and obviously, the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural view of a deflector ring provided by the present invention;
FIG. 2 is a graph comparing the performance of an axial flow fan employing the inducer assembly of the present application with an axial flow fan employing a conventional inducer assembly;
fig. 3 is a schematic structural diagram of a deflector ring assembly provided by the present invention;
FIG. 4 is a partial cross-sectional view of FIG. 3;
fig. 5 is a perspective view of an axial flow fan provided by the present invention;
fig. 6 is an exploded view of an axial flow fan provided by the present invention;
fig. 7 is a sectional view of an axial flow fan provided by the present invention.
Reference numerals:
1: a flow guide ring; 10: a first flow guide part; 20: a second flow guide part; 30: a third flow guide part; 31: flanging; 2: installing a panel; 21: an air inlet hole; 22: erecting a wall; 31: a drive member; 32: a fan blade; 4: a mesh enclosure.
Detailed Description
To make the objects, technical solutions and advantages of the present invention clearer, the drawings of the present invention are combined to clearly and completely describe the technical solutions of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "inner", "outer", "radial", "axial", "circumferential", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The utility model provides a water conservancy diversion circle subassembly is suitable for and installs in axial fan, and water conservancy diversion circle subassembly is including being annular water conservancy diversion circle 1, as shown in fig. 1, water conservancy diversion circle 1 is including connecting gradually and coaxial setting's first water conservancy diversion portion 10, second water conservancy diversion portion 20 and third water conservancy diversion portion 30.
The inner diameter of the first guide portion 10 is gradually increased in a direction away from the second guide portion 20.
The inner diameter of the third flow guiding part 30 increases linearly along the direction far away from the second flow guiding part 20, and the line of the section of the third flow guiding part 30 along the self axial direction is inclined outwards relative to the line of the section of the second flow guiding part 20 along the self axial direction.
The first diversion part 10, the second diversion part 20 and the third diversion part 30 are all of a hollow structure, the first diversion part 10, the second diversion part 20 and the third diversion part 30 are sequentially connected end to end and coaxially arranged, and an air inlet channel of the axial flow fan is formed in a space surrounded by the inner walls of the first diversion part, the second diversion part and the third diversion part. The cross section of the first flow guide part 10, the second flow guide part 20 and the third flow guide part 30 along the radial direction of the flow guide ring 1 may be circular ring type or elliptical ring type. Wherein, water conservancy diversion circle 1 can be integrated into one piece spare, also can be split type structure.
The first flow guiding part 10 is close to the air inlet direction, and the air flow passes through the first flow guiding part 10, the second flow guiding part 20 and the third flow guiding part 30 in sequence. The inner diameter of the first flow guide 10 is gradually increased in a direction from near the second flow guide 20 to far from the second flow guide 20. First water conservancy diversion portion 10 and the smooth and smooth transitional coupling of second water conservancy diversion portion 20, the exit end internal diameter of first water conservancy diversion portion 10 is the same with the 20 entrance end internal diameters of second water conservancy diversion portion, and this setting can avoid the abrupt change of water conservancy diversion circle subassembly internal diameter, arouses the air current velocity of flow sudden change, and then causes the air current to strike the inner wall.
The inner diameter through setting up first water conservancy diversion portion 10 is crescent along the direction of keeping away from second water conservancy diversion portion 20, can make the air inlet air current under the guide of first water conservancy diversion portion 10 from big footpath end flow direction footpath end to the path end, further flow in second water conservancy diversion portion 20, has slowed down the impact of air current to 1 inner wall of water conservancy diversion circle, and has gathered the air current better, reduces the resistance of axial fan entry, helps reducing the amount of wind loss, promotes axial fan's the amount of wind.
The second guide 20 may have a straight cylinder type or a tapered cylinder type. In one embodiment, the second flow guiding portion 20 is a straight cylinder, and the inner diameter of the second flow guiding portion 20 is constant along the axial direction of the flow guiding ring 1, so as to help limit the turbulent flow.
The third flow guiding portion 30 is located in the outlet direction of the flow guiding ring 1, and the third flow guiding portion 30 gradually expands outward along the direction from being close to the second flow guiding portion 20 to being far away from the second flow guiding portion 20. The inner diameter of the third flow guiding part 30 increases linearly along the direction far away from the second flow guiding part 20, and the profile line of the section of the third flow guiding part 30 along the self axial direction is linear and inclined relative to the self axial line.
By arranging the inner diameter of the third flow guide part 30 to increase in a linear manner along the direction far away from the second flow guide part 20, the internal flow field is optimized, partial dynamic pressure of airflow is converted into static pressure in the process of flowing from the second flow guide part 20 to the third flow guide part 30, the air outlet noise of the axial flow fan is reduced, and the air outlet flow field is improved.
The utility model provides a water conservancy diversion circle subassembly, through setting up first water conservancy diversion portion 10, second water conservancy diversion portion 20 and third water conservancy diversion portion 30 and connect gradually and coaxial setting, the internal diameter of first water conservancy diversion portion 10 increases along the direction of keeping away from second water conservancy diversion portion 20 gradually, make axial fan's air inlet air current flow from big footpath end to small diameter end under the guide of first water conservancy diversion portion 10, further flow in second water conservancy diversion portion 20, the impact of air current to the inner wall of water conservancy diversion circle 1 has been slowed down, and the air current has been gathered well, reduce the resistance of axial fan entry, help reducing the amount of wind loss, promote the amount of wind of axial fan; the inner diameter of the third flow guide part 30 is linearly increased along the direction far away from the second flow guide part 20, the molded line of the axial section of the third flow guide part 30 is inclined outwards relative to the molded line of the axial section of the second flow guide part 20, so that the internal flow field is optimized, partial dynamic pressure of air flow is converted into static pressure in the process that the air flow flows from the second flow guide part 20 to the third flow guide part 30, the air outlet noise of the axial flow fan is reduced, and the air outlet flow field is improved.
Alternatively, the first flow guide part 10 may have a horn shape or a tapered cylindrical shape.
For example, the first diversion part 10 is trumpet-shaped, the first diversion part 10 is arc-shaped along the profile line of the axial cross section of the first diversion part, and the second diversion part 20 is tangentially connected with the first diversion part 10.
In this embodiment, the profile of the cross section of the first flow guiding portion 10 along its own axial direction may be a section of circular arc, or may be a smooth arc composed of a plurality of sections of arc lines with different curvatures.
In a specific embodiment, the profile of the cross section of the first flow guiding part 10 along the axial direction thereof is a circular arc. Illustratively, the central angle θ of the profile of the cross section of the first flow guide part 10 along the axial direction thereof is 50 ° to 60 °, for example, the central angle θ of the cross section profile of the first flow guide part 10 may be 50 °, 60 ° or any value between 50 ° and 60 °. Preferably, the central angle θ of the profile of the cross section of the first flow guide part 10 along the axial direction thereof is 55 °, which plays a transition role in the air flow and helps to reduce abrupt changes of the air flow velocity.
Further, the radius of the profile of the cross section of the first flow guiding part 10 along the axial direction thereof is r, the diameter of the impeller composed of the blades 32 of the axial flow fan is D, and the radius r and the diameter D of the impeller satisfy the following relationship: r is more than or equal to 0.07D and less than or equal to 0.11D. Preferably, r =0.09D, which may effectively improve the flow field at the inlet of the first flow guiding portion 10, reduce the inlet resistance, and improve the static pressure efficiency of the axial flow fan.
In another specific embodiment, the profile of the cross section of the first guiding portion 10 along its axial direction is a smooth arc composed of a plurality of arcs with different curvatures. Illustratively, the curvature of the arc gradually decreases in the direction from the mounting panel 2 to the second baffle 20, forming a smooth arc, which helps reduce the intake air flow loss.
Further, the length relationship of the first flow guide part 10, the second flow guide part 20 and the third flow guide part 30 is as follows:
L1∶L2∶L3＝4∶2∶3；
wherein, L1 is the axial length of the first flow guiding portion 10 along the flow guiding ring 1, L2 is the axial length of the second flow guiding portion 20 along the flow guiding ring 1, and L3 is the axial length of the third flow guiding portion 30 along the flow guiding ring 1.
Specifically, the length L2 of the second flow guide portion 20 in the axial direction of the flow guide ring assembly may be 40mm.
In one embodiment, the second flow guiding part 20 is a straight cylinder, and an angle α between a line of a cross section of the third flow guiding part 30 in the self-axial direction and an extension line of a cross section of the second flow guiding part 20 in the self-axial direction is 8 ° to 12 °, for example, an angle between a line of a cross section of the third flow guiding part 30 and an extension line of a cross section of the second flow guiding part 20 may be 8 °, 12 °, or any value between 8 ° and 12 °. Preferably, the angle between the line of the cross section of the third flow guide part 30 and the extension line of the cross section of the second flow guide part 20 is 10 °.
FIG. 2 illustrates a graph comparing the performance of an axial fan employing the inducer assembly of the present application with an axial fan employing a conventional inducer assembly. Wherein, the P-Q curve is the characteristic curve of the axial flow fan. As shown in fig. 2, compared with the conventional flow guide ring assembly, under the same rotation speed and static pressure conditions, the air volume of the axial flow fan adopting the flow guide ring assembly of the present application is greater than that of the axial flow fan adopting the conventional flow guide ring assembly, and the fan efficiency of the axial flow fan adopting the flow guide ring assembly of the present application is also greater than that of the axial flow fan adopting the conventional flow guide ring assembly.
Alternatively, the inner diameter of the second flow guide 20 increases linearly in a direction from the first flow guide 10 to the third flow guide 30.
In this embodiment, the second flow guiding portion 20 is in a shape of a conical cylinder, the profile of the second flow guiding portion 20 along its axial cross section is a straight line, and is inclined relative to the central axis of the flow guiding ring 1, and the second flow guiding portion 20 gradually expands outward along the direction from the first flow guiding portion 10 to the third flow guiding portion 30.
The inner diameter of the second guide part 20 is linearly increased along the direction from the first guide part 10 to the third guide part 30, so that the blade top clearance of the blades of the axial flow fan can be reduced, and the performance of the axial flow fan is improved.
It can be understood that an included angle between a line of the third flow guiding portion 30 along the self axial cross section and the central axis of the flow guiding ring 1 is larger than an included angle between a line of the second flow guiding portion 20 along the self axial cross section and the central axis of the flow guiding ring 1, that is, a slope of the third flow guiding portion 30 is larger than a slope of the second flow guiding portion 20, so that the line of the third flow guiding portion 30 along the self axial cross section is inclined outwards relative to the line of the second flow guiding portion 20 along the self axial cross section.
One end of the third flow guiding part 30, which is far away from the second flow guiding part 20, is provided with a flange 31, the flange 31 protrudes outwards along the radial direction of the third flow guiding part 30, and the flange 31 is perpendicular to the central axis of the flow guiding ring 1.
As shown in fig. 1, the flange 31 and the third flow guiding portion 30 are flush with each other at an end surface far from the second flow guiding portion 20, the two are located on the same plane, the flange is used for mounting the mesh enclosure 4 of the axial flow fan, and the mesh enclosure 4 can be connected with the flange 31 in a matching manner by clamping or fastening. Through setting up the center pin of turn-ups 31 perpendicular to water conservancy diversion circle 1, can guarantee the installation laminating degree of screen panel 4 and water conservancy diversion circle subassembly, realize the firm installation of screen panel 4.
The flow guide ring assembly further comprises an installation panel 2, the installation panel 2 comprises an air inlet hole 21, and the first flow guide part 10 is connected with the installation panel 2 and communicated with the air inlet hole 21.
As shown in fig. 3 and 4, the installation panel 2 has a rectangular flat plate shape, the deflector 1 is provided on the installation panel 2, and the center axis of the deflector 1 is perpendicular to the installation panel 2.
The air inlet holes 21 are through holes penetrating the mounting panel 2, and preferably, the size of the air inlet holes 21 matches the size of the large diameter end of the first deflector 10.
The deflector ring 1 can be fixed on the installation panel 2 by welding, bonding and the like, and can also be connected with the installation panel 2 in an integrated forming way.
The installation panel 2 is convexly provided with a vertical wall 22, the vertical wall 22 is arranged at the edge of the installation panel 2 and extends along the axial direction of the flow guide ring 1, and a gap is arranged between at least two adjacent vertical walls 22.
As shown in fig. 5, the installation panel 2 has a rectangular flat plate shape, and a standing wall 22 is vertically provided on each side of the installation panel 2. It will be appreciated that the upstanding wall 22 is located on the side of the mounting panel 2 where the deflector 1 is located.
Through setting up and being equipped with the breach between two at least adjacent upright walls 22, can make ponding on the installation panel 2 flow along upright wall 22 to flow from breach department, prevent installation panel 2 long-term ponding, arouse bacterial reproduction and milden and rot.
Preferably, a gap is formed between any two adjacent vertical walls 22, so that accumulated water can be conveniently drained, and interference between the installation panel 2 and other components when the installation panel is assembled in equipment such as an air conditioner is prevented. As shown in FIG. 5, chamfers are further arranged at the four corners of the mounting panel 2, so that accumulated water can flow out conveniently.
The utility model also provides an axial fan, including the water conservancy diversion circle subassembly that any above-mentioned embodiment provided, still include flabellum subassembly and screen panel 4, the flabellum subassembly is at least partially set up in the space that the inner wall of water conservancy diversion circle subassembly encloses, and screen panel 4 is connected with the third water conservancy diversion portion 30 of water conservancy diversion circle subassembly, and flabellum unit mount is in screen panel 4.
The screen panel 4 is the grid structure, and screen panel 4 covers the one end of locating guide ring 1 and keeping away from installation panel 2, can play the effect of safety protection, and simultaneously, flabellum subassembly is installed in screen panel 4, and screen panel 4 still provides the mounted position for the flabellum subassembly.
Further, the fan blade assembly includes a driving member 31 and fan blades 32, the fan blades 32 are fixed on a driving shaft of the driving member 31, and the driving member 31 is mounted on the mesh enclosure 4.
As shown in fig. 3, a through hole is formed in a central region of the mesh panel 4 for receiving the driving member 31, and the driving member 31 is connected to the mesh panel 4 by a fastening member such as a bolt or a screw.
As shown in fig. 7, the driving member 31 is a rotating motor, the driving shaft of the driving member 31 is located in the space enclosed by the inner wall of the flow guiding ring assembly, and the driving shaft of the driving member 31 is parallel to the central axis of the flow guiding ring 1. The fan blades 32 are fixedly connected with the driving shaft of the driving member 31.
Specifically, as shown in fig. 6, there are a plurality of blades 32, and the plurality of blades 32 are distributed at intervals along the circumferential direction of the drive shaft. The distance between the fan blade 32 and the inner wall of the guide ring component is 8 mm-12 mm. For example, the distance between the fan blades 32 and the inner wall of the guide ring assembly is 8mm, 12mm, or any value between 8mm and 12mm. Preferably, the distance between the fan blade 32 and the inner wall of the guide ring assembly is 10mm, so that the fan has larger fault tolerance and fully ensures the performance of the axial flow fan.
In one embodiment, an end of the third flow guide 30 away from the second flow guide 20 is provided with a flange 31, and the flange 31 protrudes outward in a radial direction of the third flow guide 30. The net cover 4 is provided with a convex folded edge which is butted with the folded edge 31 and is connected with the folded edge through a fastener.
The end face of one end of the flange 31 and the end face of the third flow guiding part 30 far away from the second flow guiding part 20 are parallel and level, the folded edge is abutted to the flange 31, and the fastening piece penetrates through the flange 31 and the folded edge to realize the tight connection of the mesh enclosure 4 and the flow guiding ring 1.
The utility model also provides an equipment with axial fan, including the axial fan that any embodiment of the aforesaid provided.
The device can be a refrigerating device, a heating device or any other device with an axial flow fan, such as an air conditioner.
Illustratively, the axial flow fan is installed in an outdoor unit of an air conditioner.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (10)
1. A flow guide ring assembly comprises an annular flow guide ring, and is characterized in that the flow guide ring comprises a first flow guide part, a second flow guide part and a third flow guide part which are sequentially connected and coaxially arranged;
the inner diameter of the first flow guide part is gradually increased along the direction far away from the second flow guide part;
the inner diameter of the third flow guide part increases in a linear mode along the direction far away from the second flow guide part, and the molded line of the section of the third flow guide part along the self axial direction is inclined outwards relative to the molded line of the section of the second flow guide part along the self axial direction.
2. The guide ring assembly as claimed in claim 1, wherein the first guide portion is arc-shaped along a profile of an axial cross section thereof, and the second guide portion is tangentially connected with the first guide portion.
3. The guide ring assembly as claimed in claim 2, wherein the central angle of the profile of the first guide portion in the cross section along the axial direction thereof is 50 ° to 60 °.
4. The baffle ring assembly of claim 1, wherein the first baffle portion, the second baffle portion and the third baffle portion have a length relationship of:
L1∶L2∶L3＝4∶2∶3；
wherein, L1 is first water conservancy diversion portion follows the axial length of water conservancy diversion circle, L2 is the second water conservancy diversion portion follows the axial length of water conservancy diversion circle, L3 is the third water conservancy diversion portion follows the axial length of water conservancy diversion circle.
5. The guide ring assembly according to claim 1, wherein an included angle between a line of a section of the third guide part along the axial direction and an extension line of a section of the second guide part along the axial direction is 8-12 degrees.
6. The deflector ring assembly of claim 1, wherein a flange is arranged at an end of the third deflector portion away from the second deflector portion, and the flange protrudes outward in a radial direction of the third deflector portion.
7. The flow guide ring assembly of claim 1, further comprising a mounting panel, wherein the mounting panel comprises air inlet holes, and the first flow guide part is connected to the mounting panel and communicated with the air inlet holes.
8. The deflector ring assembly of claim 7, wherein the mounting panel is provided with a vertical wall in a protruding manner, the vertical wall is arranged at the edge of the mounting panel and extends along the axial direction of the deflector ring, and a gap is formed between at least two adjacent vertical walls.
9. An axial fan, comprising the flow guiding ring assembly as claimed in any one of claims 1 to 8, further comprising a fan blade assembly and a mesh enclosure, wherein the fan blade assembly is at least partially disposed in a space defined by an inner wall of the flow guiding ring assembly, the mesh enclosure is connected to the third flow guiding portion of the flow guiding ring assembly, and the fan blade assembly is mounted on the mesh enclosure.
10. An apparatus having an axial fan, characterized by comprising an axial fan according to claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221847278.9U CN218439904U (en) | 2022-07-18 | 2022-07-18 | Flow guide ring assembly, axial flow fan and equipment with axial flow fan |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221847278.9U CN218439904U (en) | 2022-07-18 | 2022-07-18 | Flow guide ring assembly, axial flow fan and equipment with axial flow fan |
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| Publication Number | Publication Date |
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| CN218439904U true CN218439904U (en) | 2023-02-03 |
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| CN202221847278.9U Active CN218439904U (en) | 2022-07-18 | 2022-07-18 | Flow guide ring assembly, axial flow fan and equipment with axial flow fan |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024146007A1 (en) * | 2023-01-05 | 2024-07-11 | 合肥华凌股份有限公司 | Support assembly, fan and refrigerator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024146007A1 (en) * | 2023-01-05 | 2024-07-11 | 合肥华凌股份有限公司 | Support assembly, fan and refrigerator |
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