CN215927904U - Axial flow wind wheel and air conditioner - Google Patents
Axial flow wind wheel and air conditioner Download PDFInfo
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- CN215927904U CN215927904U CN202122010496.9U CN202122010496U CN215927904U CN 215927904 U CN215927904 U CN 215927904U CN 202122010496 U CN202122010496 U CN 202122010496U CN 215927904 U CN215927904 U CN 215927904U
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Abstract
The utility model discloses an axial flow wind wheel and an air conditioner, and relates to the technical field of air conditioners. The axial flow wind wheel comprises blades. The blade is provided with leading edge and trailing edge relatively, and the trailing edge is sunken towards the direction that is close to the leading edge and is provided with a plurality of sunken mouthful, and a plurality of sunken mouthful set up in succession, and the ratio range of a plurality of sunken mouthful projection length on the trailing edge and trailing edge length is 0.5 to 0.7. Compared with the prior art, the axial flow wind wheel provided by the utility model adopts the plurality of concave ports which are arranged on the tail edge and the projection length and the tail edge length have a certain ratio, so that the weight of the axial flow wind wheel can be reduced, the material consumption is reduced, the operation energy consumption is reduced, the generated noise is reduced, and the user experience is improved.
Description
Technical Field
The utility model relates to the technical field of air conditioners, in particular to an axial flow wind wheel and an air conditioner.
Background
With the increasing living standard of people, the air conditioner has become an indispensable household appliance in home. At present, an external machine of an air conditioner generally radiates heat through an axial flow wind wheel, and the axial flow wind wheel generates air outlet flow in the rotating process so as to discharge heat in the external machine to the outside. However, the existing axial flow wind wheel is heavy in weight, large in material consumption and large in operation energy consumption, and noise generated in the rotating process is large, so that user experience is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model solves the problems of reducing the weight of the axial flow wind wheel, reducing the material consumption, reducing the operation energy consumption, reducing the generated noise and improving the user experience.
In order to solve the above problems, the technical solution of the present invention is realized as follows:
in a first aspect, the utility model provides an axial flow wind wheel, which includes a blade, the blade is provided with a leading edge and a trailing edge opposite to each other, the trailing edge is provided with a plurality of recessed ports in a recessed manner towards a direction close to the leading edge, the plurality of recessed ports are continuously arranged, and a ratio of a projection length of the plurality of recessed ports on the trailing edge to a length of the trailing edge ranges from 0.5 to 0.7. Compared with the prior art, the axial flow wind wheel provided by the utility model adopts the plurality of concave ports which are arranged on the tail edge and the projection length and the tail edge length have a certain ratio, so that the weight of the axial flow wind wheel can be reduced, the material consumption is reduced, the operation energy consumption is reduced, the generated noise is reduced, and the user experience is improved.
Further, the ratio of the projected length of the plurality of recessed openings on the trailing edge to the length of the trailing edge is 0.58. The reasonable ratio of the projection length of the plurality of sunken openings on the trailing edge to the trailing edge length can increase the area of the sunken openings as much as possible under the condition of ensuring the flow guide effect, so that the weight of the axial flow wind wheel is further reduced, the light weight of the axial flow wind wheel is realized, and the energy consumption is reduced.
Further, the number of the recessed openings is three, and the side walls of the three recessed openings are combined to form a wave shape. The wavy sunken mouth can be under the condition of guaranteeing the air output reduce axial compressor wind wheel as far as possible and rotate the noise that produces, promote user experience.
Further, the blade is provided with inner edge and outer fringe relatively, and the trailing edge includes first limit section and second limit section, and first limit section is connected with the inner edge, and the second limit section is connected with the outer fringe, and a plurality of sunken mouthful all set up between first limit section and second limit section, and the length of first limit section is greater than the length of second limit section. So that a plurality of sunken mouths are closer to the outer edge and arranged, and the rotating stability of the axial flow wind wheel is improved.
Further, the length of the first side section ranges from 45 mm to 55 mm, and the length of the second side section ranges from 35 mm to 45 mm. The reasonable length of the first side section and the second side section can ensure the air output of the axial flow wind wheel, and the noise generated by the rotation of the axial flow wind wheel is reduced.
Further, the length of the first side section is 50 mm, and the length of the second side section is 40 mm.
Further, axial flow wind wheel still includes wheel hub, and the quantity of blade is three, and three blade is fixed connection on wheel hub's global on being annular array ground, and wheel hub is used for being connected with driving motor. The hub can drive the three blades to rotate, thereby driving the air to flow.
Further, a ratio of a projected length of the plurality of recessed openings on the trailing edge to the hub diameter ranges from 0.75 to 0.85. The projection length of a plurality of reasonable sunken mouths on the trailing edge can rationally set up the projection length of sunken mouth according to wheel hub's size with the ratio of wheel hub diameter to guarantee that the area of sunken mouth is applicable to the axial compressor wind wheel of this wheel hub size, avoid the condition that sunken mouth influences the air output to take place.
Further, the ratio of the projection length of the plurality of recessed openings on the trailing edge to the hub diameter is 0.82.
In a second aspect, the utility model provides an air conditioner, which includes the above axial flow wind wheel, the axial flow wind wheel includes a blade, the blade is provided with a leading edge and a trailing edge oppositely, the trailing edge is provided with a plurality of recessed ports in a recessed manner towards a direction close to the leading edge, the plurality of recessed ports are arranged continuously, and a ratio range of a projection length of the plurality of recessed ports on the trailing edge to a length of the trailing edge is 0.5 to 0.7. The air conditioner can alleviate the weight of axial compressor wind wheel, reduces the consumptive material volume, reduces the operation energy consumption to reduce the noise that produces, promote user experience.
Drawings
Fig. 1 is an axial side view of an axial flow wind wheel according to a first embodiment of the present invention;
fig. 2 is a left side view of an axial flow wind wheel according to a first embodiment of the present invention;
fig. 3 is a plan view of an axial flow wind wheel according to a first embodiment of the present invention;
fig. 4 is a schematic structural view of a blade in an axial flow wind turbine according to a first embodiment of the present invention;
fig. 5 is a schematic structural view of the connection between the blades and the hub in the axial-flow wind turbine according to the first embodiment of the present invention.
Description of reference numerals:
100-axial flow wind wheel; 110-a hub; 120-blades; 121-leading edge; 122-trailing edge; 123-inner edge; 124-outer edge; 125-a recessed port; 126-first edge segment; 127-a second side section; 128-reinforcing ribs.
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 utility model provides an axial flow wind wheel 100 for driving air to flow. It can alleviate axial compressor wind wheel 100's weight, reduces the consumptive material volume, reduces the operation energy consumption to reduce the noise that produces, promote user experience.
It should be noted that the axial flow wind wheel 100 is applied to an air conditioner external unit (not shown) which is installed outdoors and connected with an air conditioner internal unit (not shown), and the air conditioner external unit and the air conditioner internal unit act together to realize a function of regulating and controlling indoor air temperature. The outdoor unit includes a condenser (not shown), a driving motor (not shown), and a casing (not shown), wherein the condenser, the driving motor, and the axial-flow wind wheel 100 are all installed in the casing. The driving motor is connected to the axial flow wind wheel 100 to drive the axial flow wind wheel 100 to rotate. The position of the axial flow wind wheel 100 corresponds to the position of a condenser, and the condenser is used for exchanging heat for a refrigerant. Axial flow wind wheel 100 can form the negative pressure at the pivoted in-process to drive the air flow and form the air-out air current, this air-out air current is used for carrying out the forced air cooling to the condenser, in order to take away the heat of condenser, guarantees the condenser normal operating.
In this embodiment, the number of the blades 120 is three, the three blades 120 are disposed on the circumferential surface of the hub 110 in an annular array, and the hub 110 can drive the three blades 120 to rotate at the same time, so that the air flows to form the outlet airflow. However, the number of the blades 120 is not limited to four, and in other embodiments, the number of the blades 120 may be four or five, and the number of the blades 120 is not particularly limited.
Referring to fig. 3, 4 and 5, it should be noted that the blade 120 is provided with a leading edge 121, a trailing edge 122, an inner edge 123 and an outer edge 124, wherein the leading edge 121 and the trailing edge 122 are disposed opposite to each other, the inner edge 123 and the outer edge 124 are disposed opposite to each other, and the leading edge 121, the outer edge 124, the trailing edge 122 and the inner edge 123 are connected end to jointly enclose the contour shape of the blade 120. Specifically, the inner edge 123 is a side of the blade 120 connected to the hub 110, the outer edge 124 is a side of the blade 120 away from the hub 110, the leading edge 121 is a side of the blade 120 facing the wind during rotation, and the trailing edge 122 is a side of the blade 120 facing the wind during rotation.
It is worth noting that the trailing edge 122 is provided with a plurality of recessed ports 125 towards the direction of being close to the leading edge 121 in a recessed manner, the plurality of recessed ports 125 are continuously arranged, and the plurality of recessed ports 125 can reduce the weight of the axial flow wind wheel 100, reduce the amount of consumables and reduce the operation energy consumption. Specifically, the range of the ratio of the projection length of the plurality of recessed ports 125 on the trailing edge 122 to the length of the trailing edge 122 is 0.5 to 0.7, and the reasonable ratio of the projection length of the plurality of recessed ports 125 on the trailing edge 122 to the length of the trailing edge 122 can increase the area of the recessed ports 125 as much as possible under the condition of ensuring the flow guiding effect, so that the weight of the axial flow wind wheel 100 is further reduced, the light weight of the axial flow wind wheel 100 is realized, and the energy consumption is reduced.
In this embodiment, the ratio of the projected length of the plurality of recessed ports 125 on the trailing edge 122 to the length of the trailing edge 122 is 0.58, but not limited thereto, in other embodiments, the ratio of the projected length of the plurality of recessed ports 125 on the trailing edge 122 to the length of the trailing edge 122 may be 0.5 or 0.7, and the size of the ratio of the projected length of the plurality of recessed ports 125 on the trailing edge 122 to the length of the trailing edge 122 is not particularly limited.
In this embodiment, the number of the recessed ports 125 is three, the side walls of the three recessed ports 125 are combined to form a wave shape, and the wavy recessed ports 125 can reduce the noise generated by the rotation of the axial flow wind wheel 100 as much as possible under the condition of ensuring the air output, thereby improving the user experience. However, the number of the recessed ports 125 is not limited to two, and the number of the recessed ports 125 may be four in other embodiments.
It should be noted that the length of the first side section 126 ranges from 45 mm to 55 mm, and the length of the second side section 127 ranges from 35 mm to 45 mm. The reasonable length of the first side section 126 and the second side section 127 can ensure the air output of the axial flow wind wheel 100, and reduce the noise generated by the rotation of the axial flow wind wheel 100.
In this embodiment, the length of the first side section 126 is 50 mm, and the length of the second side section 127 is 40 mm. But not limited thereto, in other embodiments, the length of the first side segment 126 may be 45 mm, in which case the length of the second side segment 127 is 35 mm; the length of the first side section 126 may also be 55 mm, in which case the length of the second side section 127 is 45 mm; the lengths of the first side segment 126 and the second side segment 127 are not particularly limited.
It should be noted that the ratio of the projected length of the plurality of recessed openings 125 on the trailing edge 122 to the diameter of the hub 110 ranges from 0.75 to 0.85. The ratio of the projection length of a plurality of reasonable recessed ports 125 on the trailing edge 122 to the diameter of the hub 110 can be reasonably set according to the size of the hub 110 to the projection length of the recessed ports 125, so that the area of the recessed ports 125 is ensured to be suitable for the axial flow wind wheel 100 with the size of the hub 110, and the condition that the recessed ports 125 influence the air output is avoided.
In this embodiment, the ratio of the projection length of the plurality of recessed openings 125 on the trailing edge 122 to the diameter of the hub 110 is 0.82, but not limited thereto, and in other embodiments, the ratio of the projection length of the plurality of recessed openings 125 on the trailing edge 122 to the diameter of the hub 110 may be 0.75 or 0.85, and the ratio of the projection length of the plurality of recessed openings 125 on the trailing edge 122 to the diameter of the hub 110 is not particularly limited.
For ease of understanding, the projected length of the plurality of recessed ports 125 on trailing edge 122 is denoted as L, the trailing edge 122 length is denoted as H, the length of first side segment 126 is denoted as A, the length of second side segment 127 is denoted as B, and the hub 110 diameter is denoted as C.
In this embodiment, the blade 120 is provided with the reinforcing rib 128, the reinforcing rib 128 is fixedly connected to the hub 110, and the reinforcing rib 128 can improve the strength of the blade 120 and prevent the blade 120 from being deformed or bent with respect to the hub 110.
According to the axial flow wind wheel 100 of the embodiment of the utility model, the blade 120 is oppositely provided with the leading edge 121 and the trailing edge 122, the trailing edge 122 is concavely provided with a plurality of recessed ports 125 towards the direction close to the leading edge 121, the plurality of recessed ports 125 are continuously arranged, and the ratio range of the projection length of the plurality of recessed ports 125 on the trailing edge 122 to the length of the trailing edge 122 is 0.5 to 0.7. Compared with the prior art, the axial flow wind wheel 100 provided by the utility model adopts the plurality of concave ports 125 which are arranged on the trailing edge 122 and the projection length of which is in a certain ratio to the length of the trailing edge 122, so that the weight of the axial flow wind wheel 100 can be reduced, the amount of consumables can be reduced, the operation energy consumption can be reduced, the generated noise can be reduced, and the user experience can be improved.
Second embodiment
The present invention provides an air conditioner (not shown) for regulating indoor air temperature. The air conditioner comprises an air conditioner external unit and an air conditioner internal unit, wherein the air conditioner external unit comprises a shell, a condenser, a driving motor and an axial flow wind wheel 100. The basic structure and principle of the axial flow wind wheel 100 and the generated technical effects are the same as those of the first embodiment, and for the sake of brief description, the corresponding contents in the first embodiment may be referred to where this embodiment 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 axial flow wind wheel 100 are all installed in the shell, the driving motor is connected with the axial flow wind wheel 100, and the position of the axial flow wind wheel 100 corresponds to the position of the condenser. Axial flow wind wheel 100 can form the negative pressure at the pivoted in-process to drive the air flow and form the air-out air current, this air-out air current can carry out the forced air cooling to the condenser, with the heat of taking away the condenser, guarantees condenser normal operating, thereby realizes that the air conditioner internal unit heats or refrigerated function indoor.
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. An axial flow wind wheel is characterized by comprising a blade (120), wherein a front edge (121) and a tail edge (122) are oppositely arranged on the blade (120), the tail edge (122) is concavely provided with a plurality of sunken ports (125) towards the direction close to the front edge (121), the sunken ports (125) are continuously arranged, and the ratio of the projection length of the sunken ports (125) on the tail edge (122) to the length of the tail edge (122) ranges from 0.5 to 0.7.
2. The axial flow wind wheel according to claim 1, characterized in that the ratio of the projected length of the plurality of craters (125) on the trailing edge (122) to the length of the trailing edge (122) is 0.58.
3. The axial flow wind wheel according to claim 1, characterized in that the number of said recessed ports (125) is three, and the side walls of three said recessed ports (125) are combined to form a wave shape.
4. The axial wind wheel according to claim 1, characterized in that the blades (120) are provided with an inner edge (123) and an outer edge (124) opposite to each other, the trailing edge (122) comprises a first side section (126) and a second side section (127), the first side section (126) is connected with the inner edge (123), the second side section (127) is connected with the outer edge (124), the plurality of recessed ports (125) are provided between the first side section (126) and the second side section (127), and the length of the first side section (126) is greater than the length of the second side section (127).
5. The axial flow wind wheel according to claim 4, characterized in that the length of the first side section (126) ranges from 45 mm to 55 mm, and the length of the second side section (127) ranges from 35 mm to 45 mm.
6. The axial flow wind wheel according to claim 5, characterized in that the first side section (126) has a length of 50 mm and the second side section (127) has a length of 40 mm.
7. The axial-flow wind wheel according to claim 1, characterized in that the axial-flow wind wheel further comprises a hub (110), the number of the blades (120) is three, the three blades (120) are fixedly connected to the circumferential surface of the hub (110) in an annular array, and the hub (110) is used for being connected with a driving motor.
8. The axial flow wind wheel according to claim 7, characterized in that the ratio of the projected length of the plurality of craters (125) on the trailing edge (122) to the hub (110) diameter ranges from 0.75 to 0.85.
9. The axial flow wind wheel according to claim 8, characterized in that the ratio of the projected length of the plurality of craters (125) on the trailing edge (122) to the hub (110) diameter is 0.82.
10. An air conditioner characterized by comprising the axial flow wind wheel according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122010496.9U CN215927904U (en) | 2021-08-24 | 2021-08-24 | Axial flow wind wheel and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122010496.9U CN215927904U (en) | 2021-08-24 | 2021-08-24 | Axial flow wind wheel and air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215927904U true CN215927904U (en) | 2022-03-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122010496.9U Active CN215927904U (en) | 2021-08-24 | 2021-08-24 | Axial flow wind wheel and air conditioner |
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| Country | Link |
|---|---|
| CN (1) | CN215927904U (en) |
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2021
- 2021-08-24 CN CN202122010496.9U patent/CN215927904U/en active Active
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