CN215927902U - Outer machine impeller and air conditioner - Google Patents
Outer machine impeller and air conditioner Download PDFInfo
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- CN215927902U CN215927902U CN202122009189.9U CN202122009189U CN215927902U CN 215927902 U CN215927902 U CN 215927902U CN 202122009189 U CN202122009189 U CN 202122009189U CN 215927902 U CN215927902 U CN 215927902U
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Abstract
The utility model discloses an outer machine impeller and an air conditioner, and relates to the technical field of air conditioners. The outer impeller includes a hub and a plurality of blades. The fan blades are fixedly connected to the circumferential surface of the hub in an annular array mode, the fan blades are oppositely provided with a front edge and a tail edge, the tail edge is provided with a notch which is sunken towards the front edge direction, the position, close to the front edge, of the notch is provided with a vertex, one end, far away from the hub, of the front edge is provided with an end point, and the length range of a connecting line of the vertex of one fan blade and the end point of an adjacent fan blade is 200-260 mm. Compared with the prior art, the outer machine impeller provided by the utility model adopts the notch arranged on the tail edge and the vertex and the end point of which the connecting line length is between 200 and 260 millimeters, so that the weight of the outer machine impeller can be reduced, the energy consumption of the outer machine impeller in the operation process is reduced, the air output is increased, and the heat dissipation effect is improved.
Description
Technical Field
The utility model relates to the technical field of air conditioners, in particular to an outer machine impeller and an air conditioner.
Background
At present, with the increasing living standard of people, the air conditioner becomes an indispensable household appliance in home. The air conditioner comprises an inner machine and an outer machine, wherein the inner machine is arranged indoors, the outer machine is arranged outdoors, and the inner machine and the outer machine jointly act to realize the function of regulating and controlling the indoor temperature. The outer machine generally radiates heat through the outer machine impeller, but the existing outer machine impeller is heavy in weight, high in energy consumption in the operation process, low in air output and poor in heat radiation effect.
SUMMERY OF THE UTILITY MODEL
The utility model solves the problems of reducing the weight of the outer machine impeller, reducing the energy consumption of the outer machine impeller in the operation process, increasing the air output and improving the heat dissipation effect.
In order to solve the above problems, the technical solution of the present invention is realized as follows:
in a first aspect, the present invention provides an outer machine impeller, including a hub and a plurality of blades, the blades are fixedly connected to a circumferential surface of the hub in an annular array, the blades are provided with a leading edge and a trailing edge, the trailing edge is provided with a notch recessed toward the leading edge, a position of the notch close to the leading edge has a vertex, one end of the leading edge far from the hub is provided with an end point, and a length range of a connecting line between the vertex of one blade and the end point of an adjacent blade is 200 mm to 260 mm. Compared with the prior art, the outer machine impeller provided by the utility model adopts the notch arranged on the tail edge and the vertex and the end point of which the connecting line length is between 200 and 260 millimeters, so that the weight of the outer machine impeller can be reduced, the energy consumption of the outer machine impeller in the operation process is reduced, the air output is increased, and the heat dissipation effect is improved.
Further, the length of a connecting line between the vertex of one fan blade and the end point of the adjacent fan blade is 230 mm. Reasonable connecting line length can ensure that the space between the air inlet and the air outlet is large enough to increase the air outlet volume and improve the heat dissipation effect of the condenser.
Furthermore, the plurality of fan blades comprise a first fan blade and a second fan blade, on the orthographic projection plane of the outer fan wheel, a vertical line of a connecting line of a middle vertex of the first fan blade and a middle point of the hub forms a preset included angle with a connecting line of a vertex of the first fan blade and an end point of the second fan blade, and the range of the preset included angle is 6-12 degrees. The reasonable included angle that predetermines can guarantee that outer machine impeller can the sufficient air of suction at the rotation in-process to increase the air output, improve the radiating effect.
Further, the preset included angle is 9 degrees.
Furthermore, the fan blades are oppositely provided with an inner edge and an outer edge, the inner edge is connected with the hub, and the end point is the intersection point of the outer edge and the front edge. The end point is the position where the fan blade first contacts the airflow during rotation, and air can flow from the end point to the fan blade.
Further, the outer edge is provided with a folded edge. The hem can improve the intensity of outer fringe to improve the intensity of whole flabellum, prevent that the flabellum from taking place to warp or bending, and the hem can also carry out the current-limiting to the air-out air current, prevent the outside loss of air-out air current, guarantee the air output.
Further, the thickness of the fan blades gradually decreases in a direction from the inner edge to the outer edge. The weight of the outer machine impeller is reduced while the strength of the fan blades is ensured, the light weight of the outer machine impeller is realized, and the energy consumption of the outer machine impeller in the operation process is reduced.
Furthermore, reinforcing ribs are arranged on the fan blades, one ends of the reinforcing ribs are connected with the front edge, and the other ends of the reinforcing ribs are connected with the hub. The strengthening rib can improve the intensity of flabellum, prevents that the front edge from taking place to warp for wheel hub to prevent that the flabellum from taking place to warp or bending.
Furthermore, the number of the fan blades is three, and the three fan blades are arranged on the circumferential surface of the hub in an annular array. The hub can drive three fan blades to rotate simultaneously, so that air flows to form air outlet flow.
In a second aspect, the present invention provides an air conditioner, including the above-mentioned outer impeller, where the outer impeller includes a hub and a plurality of blades, the blades are fixedly connected to the circumferential surface of the hub in an annular array, the blades are oppositely provided with a leading edge and a trailing edge, the trailing edge is provided with a notch recessed toward the leading edge, the position of the notch close to the leading edge has a vertex, one end of the leading edge far from the hub is provided with an end point, and the length range of a connection line between the vertex and the end point is 200 mm to 260 mm. The air conditioner can reduce the weight of the outer machine impeller, reduce the energy consumption of the outer machine impeller in the operation process, increase the air output and improve the heat dissipation effect.
Drawings
Fig. 1 is a side axial view of an outer machine impeller according to a first embodiment of the present invention;
fig. 2 is a left side view of an outer machine impeller according to a first embodiment of the present invention;
fig. 3 is a plan view of an outer machine impeller according to a first embodiment of the present invention;
fig. 4 is a mathematical model diagram of an outer machine impeller according to a first embodiment of the present invention.
Description of reference numerals:
100-outer machine impeller; 110-a hub; 120-fan blades; 121-leading edge; 122-trailing edge; 123-inner edge; 124-outer edge; 125-notch; 126-separation space; 127-folding edges; 128-reinforcing ribs; 130-a first fan blade; 140-a second fan blade; 150-a first line segment; 160-second line segment; 170-preset vertical line.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
First embodiment
Referring to fig. 1 and fig. 2, an embodiment of the present invention provides an outer impeller 100 for driving air to flow. The weight of the outer machine impeller 100 can be reduced, the energy consumption of the outer machine impeller 100 in the operation process is reduced, the air output is increased, and the heat dissipation effect is improved.
It should be noted that the outer unit impeller 100 is applied to an outer unit (not shown) of an air conditioner, the outer unit of the air conditioner is installed outdoors and connected to an inner unit (not shown) of the air conditioner, and the outer unit of the air conditioner and the inner unit of the air conditioner act together to achieve the function of regulating and controlling the indoor temperature. The outdoor unit for an air conditioner includes a condenser (not shown), a driving motor (not shown), and a casing (not shown) in which the condenser, the driving motor, and the outer unit impeller 100 are installed. The driving motor is connected to the outer motor impeller 100 to drive the outer motor impeller 100 to rotate. The position of the outer machine impeller 100 corresponds to the position of a condenser, and the condenser is used for exchanging heat with a refrigerant. The outer impeller 100 can form negative pressure in a rotating process to drive air to flow to form air outlet flow, and the air outlet flow is used for air cooling of the condenser to take away heat of the condenser, so that normal operation of the condenser is guaranteed.
The outer impeller 100 includes a hub 110 and a plurality of blades 120. Hub 110 is cylindric, and a plurality of flabellum 120 are fixed connection on hub 110's global in annular array ground, and hub 110 can drive flabellum 120 and rotate to drive the air flow. Hub 110 is used for being connected with driving motor, and driving motor can drive flabellum 120 through hub 110 and rotate.
In this embodiment, the number of the fan blades 120 is three, the three fan blades 120 are disposed on the circumferential surface of the hub 110 in an annular array, and the hub 110 can drive the three fan blades 120 to rotate simultaneously, so that the air flows to form the outlet airflow. However, the number of the fan blades 120 is not limited to this, and in other embodiments, the number of the fan blades 120 may be four or five, and the number of the fan blades 120 is not particularly limited.
Referring to fig. 3 and 4, it should be noted that the fan blade 120 is provided with a front edge 121, a rear edge 122, an inner edge 123 and an outer edge 124, wherein the front edge 121 and the rear edge 122 are disposed oppositely, the inner edge 123 and the outer edge 124 are disposed oppositely, and the front edge 121, the outer edge 124, the rear edge 122 and the inner edge 123 are connected end to jointly enclose the contour shape of the fan blade 120. Specifically, the inner edge 123 is a side edge of the fan blade 120 connected to the hub 110, the outer edge 124 is a side edge of the fan blade 120 away from the hub 110, the front edge 121 is a side edge of the fan blade 120 facing the wind during the rotation process, and the tail edge 122 is a side edge of the fan blade 120 facing the wind during the rotation process.
It is worth noting that the trailing edge 122 is provided with a notch 125 recessed towards the leading edge 121, and the notch 125 can reduce the amount of consumables produced by the fan blade 120, thereby reducing the weight of the outer impeller 100, further reducing the energy consumption of the outer impeller 100 in the operation process, and reducing the operation cost. Specifically, a spacing space 126 is disposed between two adjacent blades 120, and the spacing space 126 is located between the trailing edge 122 of one blade 120 and the leading edge 121 of the adjacent blade 120, and is communicated with the notch 125 of the previous blade 120.
Furthermore, the position of the notch 125 close to the front edge 121 has a vertex, one end of the front edge 121 far from the hub 110 is provided with an end point, the length range of a connecting line between the vertex of one fan blade 120 and the end point of the adjacent fan blade 120 is 200 mm to 260 mm, and reasonable length of the connecting line can ensure that the spacing space 126 is large enough to increase air output and improve the heat dissipation effect on the condenser.
In this embodiment, the length of the connection line between the vertex of one fan blade 120 and the end point of the adjacent fan blade 120 is 230 mm, but not limited thereto, in other embodiments, the length of the connection line between the vertex of one fan blade 120 and the end point of the adjacent fan blade 120 may be 200 mm or 260 mm, and the length of the connection line between the vertex of one fan blade 120 and the end point of the adjacent fan blade 120 is not particularly limited.
It should be noted that the plurality of blades 120 includes a first blade 130 and a second blade 140. A space 126 is provided between the trailing edge 122 of the first blade 130 and the leading edge 121 of the second blade 140, and the gap 125 of the first blade 130 is communicated with the space 126. Specifically, on the orthographic projection surface of the outer machine impeller 100, a preset included angle is formed between a perpendicular line of a connecting line between a middle vertex of the first fan blade 130 and a middle point of the hub 110 and a connecting line between a vertex of the first fan blade 130 and an end point of the second fan blade 140, the range of the preset included angle is 6 degrees to 12 degrees, and the reasonable preset included angle can ensure that the outer machine impeller 100 can suck enough air in the rotating process so as to increase the air output and improve the heat dissipation effect.
In this embodiment, the preset included angle is 9 degrees, but not limited thereto, in other embodiments, the preset included angle may be 6 degrees or 12 degrees, and the size of the preset included angle is not particularly limited.
For convenience of understanding, the vertex of the first fan blade 130 is named as a, the midpoint of the hub 110 is named as o, the endpoint of the second fan blade 140 is named as b, the connection line between the vertex of the first fan blade 130 and the endpoint of the second fan blade 140 is named as a first line segment 150, the connection line between the vertex of the first fan blade 130 and the midpoint of the hub 110 is named as a second line segment 160, the perpendicular line of the second line segment 160 is named as a preset perpendicular line 170, and the preset included angle is represented as a.
In this embodiment, the inner edge 123 is connected to the hub 110, and the end point is the intersection point of the outer edge 124 and the front edge 121, and the end point is the position where the fan blade 120 first contacts the airflow during the rotation process, and the air can flow from the end point to the fan blade 120.
In this embodiment, the outer rim 124 is provided with a hem 127. Hem 127 can improve the intensity of outer fringe 124 to improve whole flabellum 120's intensity, prevent that flabellum 120 from taking place to warp or bending, and hem 127 can also carry out the current limiting to the air-out air current, prevent the outside loss of air-out air current, guarantee the air output.
In this embodiment, the thickness of the fan blade 120 is gradually reduced in the direction from the inner edge 123 to the outer edge 124, so that the weight of the outer impeller 100 is reduced while the strength of the fan blade 120 is ensured, the outer impeller 100 is light, and the energy consumption of the outer impeller 100 in the operation process is reduced.
In this embodiment, the fan blade 120 is provided with the rib 128, one end of the rib 128 is connected to the front edge 121, and the other end is connected to the hub 110, and the rib 128 can improve the strength of the fan blade 120, prevent the front edge 121 from deforming with respect to the hub 110, and prevent the fan blade 120 from deforming or bending.
In the outer impeller 100 according to the embodiment of the present invention, the plurality of blades 120 are fixedly connected to the circumferential surface of the hub 110 in an annular array, the blades 120 are provided with a leading edge 121 and a trailing edge 122, the trailing edge 122 is provided with a notch 125 that is recessed toward the leading edge 121, a position of the notch 125 close to the leading edge 121 has a vertex, one end of the leading edge 121 far from the hub 110 is provided with an end point, and a length range of a connecting line between the vertex of one blade 120 and the end point of an adjacent blade 120 is 200 mm to 260 mm. Compared with the prior art, the outer machine impeller 100 provided by the utility model adopts the notch 125 arranged on the tail edge 122 and the vertex and the end point of which the connecting line length is between 200 mm and 260 mm, so that the weight of the outer machine impeller 100 can be reduced, the energy consumption of the outer machine impeller 100 in the operation process is reduced, the air output is increased, and the heat dissipation effect is improved.
Second embodiment
The present invention provides an air conditioner (not shown) for regulating indoor air temperature. The air conditioner includes an air conditioner outer unit and an air conditioner inner unit, and the air conditioner outer unit includes a casing, a condenser, a driving motor, and an outer unit impeller 100. The basic structure and principle of the outer impeller 100 and the technical effects thereof are the same as those of the first embodiment, and for the sake of brief description, reference may be made to corresponding contents of the first embodiment for the part of this embodiment that is not mentioned.
In this embodiment, the air conditioner outer unit is installed outdoors, and is connected with the air conditioner indoor unit, and the air conditioner outer unit and the air conditioner indoor unit combined action to realize the function of regulation and control indoor temperature. The condenser, the driving motor and the outer machine impeller 100 are all installed in the housing, the driving motor is connected with the outer machine impeller 100, and the position of the outer machine impeller 100 corresponds to the position of the condenser. The outer unit impeller 100 can form negative pressure in a rotating process to drive air to flow to form air outlet flow, the air outlet flow can cool the condenser in an air cooling mode to take away heat of the condenser, normal operation of the condenser is guaranteed, and indoor heating or refrigerating functions of the air conditioner are achieved.
The beneficial effects of the air conditioner according to the embodiment of the present invention are the same as those of the first embodiment, and are not described herein again.
Although the present invention is disclosed above, the present invention is not limited thereto. Various changes and modifications may be effected therein by one skilled in the art without departing from the spirit and scope of the utility model as defined in the appended claims.
Claims (10)
1. The utility model provides an outer quick-witted impeller, characterized in that, includes wheel hub (110) and a plurality of flabellum (120), a plurality of flabellum (120) be fixed connection with annular array ground on wheel hub (110) are global, flabellum (120) are provided with leading edge (121) and trailing edge (122) relatively, trailing edge (122) are seted up towards breach (125) that leading edge (121) direction is sunken, the position that breach (125) are close to leading edge (121) has a summit, the one end that leading edge (121) kept away from wheel hub (110) is provided with the extreme point, the length range of one the summit with the line of the extreme point of adjacent one flabellum (120) of flabellum (120) is 200 millimeters to 260 millimeters.
2. The outer impeller according to claim 1, wherein a line connecting the tip of one of the blades (120) and the tip of an adjacent one of the blades (120) has a length of 230 mm.
3. The outer impeller according to claim 1, wherein the plurality of blades (120) comprises a first blade (130) and a second blade (140), and a perpendicular line between a line connecting the vertex of the first blade (130) and a midpoint of the hub (110) forms a predetermined angle with a line connecting the vertex of the first blade (130) and the end point of the second blade (140) on a front projection surface of the outer impeller, and the predetermined angle ranges from 6 degrees to 12 degrees.
4. The outer machine impeller of claim 3 wherein the predetermined included angle is 9 degrees.
5. The outer impeller according to claim 1, wherein the fan blades (120) are oppositely provided with an inner edge (123) and an outer edge (124), the inner edge (123) being connected to the hub (110), the end point being the intersection of the outer edge (124) and the leading edge (121).
6. The outer machine impeller according to claim 5, characterized in that the outer rim (124) is provided with a hem (127).
7. The outer impeller according to claim 5, wherein the thickness of the fan blades (120) is gradually reduced in a direction from the inner edge (123) to the outer edge (124).
8. The outer impeller according to claim 1, wherein the fan blades (120) are provided with ribs (128), one end of each rib (128) being connected to the leading edge (121) and the other end being connected to the hub (110).
9. The outer impeller according to claim 1, wherein the number of the blades (120) is three, and three of the blades (120) are disposed on the circumferential surface of the hub (110) in an annular array.
10. An air conditioner characterized by comprising the outer machine impeller as recited in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122009189.9U CN215927902U (en) | 2021-08-24 | 2021-08-24 | Outer machine impeller and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122009189.9U CN215927902U (en) | 2021-08-24 | 2021-08-24 | Outer machine impeller and air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215927902U true CN215927902U (en) | 2022-03-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122009189.9U Active CN215927902U (en) | 2021-08-24 | 2021-08-24 | Outer machine impeller and air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215927902U (en) |
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2021
- 2021-08-24 CN CN202122009189.9U patent/CN215927902U/en active Active
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