CN216769588U - Fan and air conditioner - Google Patents

Fan and air conditioner Download PDF

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Publication number
CN216769588U
CN216769588U CN202123217120.1U CN202123217120U CN216769588U CN 216769588 U CN216769588 U CN 216769588U CN 202123217120 U CN202123217120 U CN 202123217120U CN 216769588 U CN216769588 U CN 216769588U
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air
wind
section
fan
air outlet
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CN202123217120.1U
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Chinese (zh)
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木田琢己
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Aux Air Conditioning Co Ltd
Ningbo Aux Electric Co Ltd
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Aux Air Conditioning Co Ltd
Ningbo Aux Electric Co Ltd
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Abstract

The utility model provides a fan and an air conditioner, and relates to the technical field of air conditioners. The fan includes wind-guiding circle, transmission portion and a plurality of fan blade, and a plurality of fan blades are installed in transmission portion, and the wind-guiding circle encircles and establishes around the fan blade, and the wind-guiding circle includes air inlet section and air-out section, and the air inlet section is connected with the air-out section, and the fan blade includes body and air-out portion, and the body is connected with transmission portion, and air-out portion is connected with the one end that the transmission portion was kept away from to the body to be close to the air-out section setting, the shape of air-out portion and the shape looks adaptation of air-out section. In the process of fan work, wind flows to the direction of air-out section from the direction of air inlet section, and the shape looks adaptation of air-out portion and air-out section when wind-guiding circle and fan blade interval set up can make the distance between air-out portion and the air-out section keep equal, reduces the condition of the increase of distance between air-out portion and the air-out section, reduces the condition that the fluid leaks to the air supply efficiency of fan has been improved.

Description

Fan and air conditioner
Technical Field
The utility model relates to the technical field of air conditioners, in particular to a fan and an air conditioner.
Background
The fan mainly acts on the effect of air supply, and general fan includes fan blade and wind-guiding circle, and the wind-guiding circle sets up around the fan blade, and mainly used plays the effect of drainage, and in order to improve the drainage effect of wind-guiding circle, the wind-guiding circle can set up into loudspeaker form usually, can lead to the interval between wind-guiding circle and the fan blade more and more far away. Because of the centrifugal force, when air is discharged, fluid in the fan blades flows outwards along the fan blades, and because the distance between the air guide ring and the fan blades is gradually increased, leakage flow is easily generated from the pressure surface of the fan blades to the suction surface, so that fluid loss is caused, and the efficiency of the fan is deteriorated.
SUMMERY OF THE UTILITY MODEL
The utility model solves the problem of how to improve the efficiency of the fan.
In order to solve the problems, the utility model provides a fan and an air conditioner.
In a first aspect, an embodiment of the present invention provides a fan, where the fan includes a wind guiding ring, a transmission portion, and a plurality of blades, the plurality of blades are mounted on the transmission portion, the wind guiding ring is annularly disposed around the blades, the wind guiding ring includes a wind inlet section and a wind outlet section, the wind inlet section is connected to the wind outlet section, the blades include a body and a wind outlet portion, the body is connected to the transmission portion, the wind outlet portion is connected to one end of the body away from the transmission portion and is disposed close to the wind outlet section, and a shape of the wind outlet portion is adapted to a shape of the wind outlet section.
In the embodiment of the utility model, in the working process of the fan, the air flows from the direction of the air inlet section to the direction of the air outlet section, the air outlet part is matched with the shape of the air outlet section while the air guide ring and the fan blades are arranged at intervals, so that the distance between the air outlet part and the air outlet section can be kept equal, the condition that the distance between the air outlet part and the air outlet section is increased is reduced, the condition of fluid leakage is reduced, and the air supply efficiency of the fan is improved.
In an optional embodiment of the present invention, the air outlet portion has an air guide surface, the air outlet section has an air outlet surface, and a shape of the air guide surface is matched with a shape of the air outlet surface.
In an optional embodiment of the present invention, the air outlet surface and the air guide surface are arc-shaped, and in a radial direction of the air outlet surface, a distance between the air outlet surface and the air guide surface is a first distance, and the first distances are all equal.
In an optional embodiment of the present invention, the wind guide ring further includes a connection section, the wind inlet section is connected to the wind outlet section through the connection section, and the shape of the connection section is adapted to the shape of the body.
In an optional embodiment of the present invention, a distance between the connecting section and the body is a second distance, the air outlet portion has an air guide surface, the air outlet section has an air outlet surface, the air outlet surface and the air guide surface are arc-shaped, a distance between the air outlet surface and the air guide surface in a radial direction of the air outlet surface is a first distance, and the first distance is equal to the second distance.
In an optional embodiment of the present invention, the air guide ring further includes a connection section, the air inlet section is connected to the air outlet section through the connection section, an outer diameter of a position of the body corresponding to the connection section is a first diameter, a maximum outer diameter of the air outlet portion is a second diameter, the second diameter is larger than a first calculated value, wherein the first calculated value is calculated by multiplying the first diameter by a first set value, and the first set value is larger than 1 and smaller than 1.2.
In an alternative embodiment of the present invention, the second diameter is smaller than a second calculated value, wherein the second calculated value is calculated by multiplying the first diameter by a second set value, and the second set value is greater than the first set value and smaller than 2.
In an optional embodiment of the present invention, in a direction in which the air inlet section faces the air outlet section, a height of the air outlet section is a first height, a height between one end of the air outlet section close to the air inlet section and one end of the air outlet portion away from the main body is a second height, and the second height is greater than a third calculated value, where the third calculated value is calculated by multiplying the first height by a third set value, and the third set value is greater than 0 and less than 0.5.
In an optional embodiment of the present invention, the second height is smaller than a fourth calculated value, where the fourth calculated value is calculated by multiplying the first height by a fourth set value, and the fourth set value is greater than the third set value and smaller than 1.
In a second aspect, an embodiment of the present invention provides an air conditioner, where the air conditioner includes any one of the fans provided in the first aspect.
Drawings
Fig. 1 is a schematic structural diagram of a fan according to a first embodiment of the present invention.
Fig. 2 is a partial sectional view of a fan according to a first embodiment of the present invention.
Description of the reference numerals:
100-a fan; 110-a wind-guiding ring; 112-air inlet section; 114-an air outlet section; 116-air outlet surface; 118-a connecting segment; 119-connecting surface; 120-fan blades; 122-a body; 124-air outlet part; 126-air guide surface; 128-transition surface; 130-a transmission part.
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, the present embodiment provides a fan 100, and the fan 100 provided in the present embodiment can keep the distance between the air outlet portion 124 and the air outlet section 114 equal, reduce the increase of the distance between the air outlet portion 124 and the air outlet section 114, and reduce the fluid leakage, thereby improving the air supply efficiency of the fan 100.
The fan 100 provided in this embodiment is mainly applied to an air conditioner, the fan 100 mainly plays a role of supplying air, the general fan 100 includes a fan blade 120 and an air guiding ring 110, the air guiding ring 110 is disposed around the fan blade 120 and mainly plays a role of guiding air, in order to improve a drainage effect of the air guiding ring 110, the air guiding ring 110 is usually set in a trumpet shape, which results in that an interval between the air guiding ring 110 and the fan blade 120 is further and further away. Due to the centrifugal force, when air is discharged, fluid inside the fan blade 120 flows outwards along the fan blade 120, and since the distance between the wind guiding ring 110 and the fan blade 120 is gradually increased, leakage flow is easily generated from the pressure surface to the suction surface of the fan blade 120, which causes fluid loss and causes the efficiency of the fan 100 to be deteriorated.
In this embodiment, the fan 100 includes an air guiding ring 110, a transmission portion 130 and a plurality of blades 120, the plurality of blades 120 are mounted on the transmission portion 130, the air guiding ring 110 is disposed around the blades 120, the air guiding ring 110 includes an air inlet section 112 and an air outlet section 114, the air inlet section 112 is connected to the air outlet section 114, the blades 120 include a body 122 and an air outlet portion 124, the body 122 is connected to the transmission portion 130, the air outlet portion 124 is connected to one end of the body 122 away from the transmission portion 130 and is disposed close to the air outlet section 114, and a shape of the air outlet portion 124 is matched to a shape of the air outlet section 114.
In this embodiment, in the working process of the fan 100, the wind flows from the direction of the wind inlet section 112 to the direction of the wind outlet section 114, and the wind guiding ring 110 and the fan blades 120 are arranged at intervals while the wind outlet portion 124 is matched with the wind outlet section 114 in shape, so that the distance between the wind outlet portion 124 and the wind outlet section 114 can be kept equal, the increase of the distance between the wind outlet portion 124 and the wind outlet section 114 is reduced, the fluid leakage is reduced, and the air supply efficiency of the fan 100 is improved.
In the present embodiment, the air outlet portion 124 has an air guiding surface 126, the air outlet section 114 has an air outlet surface 116, and the shape of the air guiding surface 126 is matched with the shape of the air outlet surface 116.
In this embodiment, the wind guiding surface 126 is disposed toward the wind guiding ring 110, the wind outlet surface 116 is disposed toward the fan blade 120, the wind guiding surface 126 and the wind outlet surface 116 are disposed opposite to each other, and the shapes of the two are matched to keep the distance between the wind guiding surface 126 and the wind outlet surface 116 unchanged, so as to reduce the increase of the distance between the wind outlet portion 124 and the wind outlet section 114, reduce the fluid leakage, and improve the air supply efficiency of the fan 100.
It should be understood that the shapes of the air guide surface 126 and the air outlet surface 116 are matched, which means that if the air guide surface is arc-shaped, the air outlet surface is also arc-shaped. If the air guiding surface 126 is a plane, the air outlet surface 116 is also a plane, so as to ensure that the two are matched.
In the present embodiment, the air outlet surface 116 and the air guide surface 126 are arc-shaped, and the distance between the air outlet surface 116 and the air guide surface 126 in the radial direction of the air outlet surface 116 is a first distance, and the first distances are all equal.
In the present embodiment, the air outlet surface 116 and the air guide surface 126 are spaced apart from each other in the radial direction of the air outlet surface 116, and the distance is defined as a first distance. It can also be understood that the curved air guiding surface 126 and the curved air outlet surface 116 are concentrically arranged, and the distance between the curved air guiding surface 126 and the curved air outlet surface 116 is equal in the radial direction, so that the distance between the air outlet portion 124 and the air outlet section 114 is always kept equal, the increase of the distance between the air outlet portion 124 and the air outlet section 114 is reduced, the fluid leakage is reduced, and the air supply efficiency of the fan 100 is improved.
The air outlet section 114 is arc-shaped and extends in a direction away from the fan blades 120. In order to make the shape of the air outlet portion 124 match the shape of the air outlet section 114, the air outlet portion 124 extends in a direction away from the body 122, so as to ensure that the first distances are equal.
In this embodiment, the wind guiding ring 110 further includes a connecting section 118, the wind inlet section 112 is connected to the wind outlet section 114 through the connecting section 118, and the shape of the connecting section 118 is matched with the shape of the body 122.
The connecting section 118 is mainly used for connecting the air inlet section 112 and the air outlet section 114, and mainly plays a role in connecting the air inlet section 112 and the air outlet section 114. Similarly, the shape of the connecting section 118 is matched with the shape of the body 122, so that the distance between the connecting section 118 and the body 122 can be kept unchanged, thereby reducing the fluid leakage and improving the air supply efficiency of the fan 100.
In this embodiment, the connecting section 118 has a connecting surface 119, the connecting surface 119 is disposed toward the body 122, the body 122 has a transition surface 128, the transition surface 128 is disposed toward the connecting section 118, and both the connecting surface 119 and the transition surface 128 are planar, so that the distances between the connecting surface 119 and the transition surface 128 are equal.
In this embodiment, the distance between the connecting section 118 and the main body 122 is the second distance, the air outlet portion 124 has the air guiding surface 126, the air outlet section 114 has the air outlet surface 116, the air outlet surface 116 and the air guiding surface 126 are arc-shaped, the distance between the air outlet surface 116 and the air guiding surface 126 is the first distance in the radial direction of the air outlet surface 116, and the first distance is equal to the second distance.
Wherein, the distance between the connection surface 119 and the transition surface 128 is the second distance, the first distance is equal to the second distance, the wind entering the connection section 118 from the wind inlet section 112 can smoothly enter the gap between the wind outlet section 114 and the wind outlet portion 124, and because the first distance is equal to the second distance, the width of the channel through which the wind flows is always kept unchanged, thereby reducing the situation of wind backflow, reducing the situation of wind leakage, and improving the efficiency of the fan 100.
In this embodiment, the outer diameter of the body 122 corresponding to the connecting section 118 is a first diameter, the maximum outer diameter of the air outlet portion 124 is a second diameter, and the second diameter is greater than a first calculated value, wherein the first calculated value is calculated by multiplying the first diameter by a first set value, and the first set value is greater than 1 and less than 1.2.
In the present embodiment, since the connecting surface 119 and the transition surface 128 are both planar, the diameters of the main body 122 are the same. The wind guiding surface 126 of the wind outlet portion 124 is arc-shaped, so that the diameter of the wind outlet portion 124 gradually increases in the direction away from the main body 122, and the maximum outer diameter of the wind outlet portion 124 is the maximum value of the outer diameter of the wind outlet portion 124.
If the first predetermined value is greater than 1, the second diameter is greater than the first diameter, and the air outlet portion 124 extends in a direction away from the body 122.
In this embodiment, the second diameter is smaller than a second calculated value, wherein the second calculated value is calculated by multiplying the first diameter by a second set value, and the second set value is greater than the first set value and smaller than 2.
Because the installation space of the fan blade 120 is limited and the fan blade is arranged inside the wind guide ring 110, the maximum outer diameter of the wind outlet portion 124 is not too large, and the second diameter should be smaller than the second calculated value.
Preferably, the first set value is 1.01 and the second set value is 1.25, that is to say the first diameter and the second diameter satisfy the following relationship:
1.01×d1<d2<1.25×d1(ii) a Wherein d1 is the first diameter and d2 is the second diameter.
In the present embodiment, in the direction from the air inlet section 112 to the air outlet section 114, the height of the air outlet section 114 is a first height, the height between the end of the air outlet section 114 close to the air inlet section 112 and the end of the air outlet portion 124 far from the body 122 is a second height, and the second height is greater than a third calculated value, wherein the third calculated value is calculated by multiplying the first height by a third set value, and the third set value is greater than 0 and less than 0.5.
In this embodiment, the first height is a height of the entire air outlet section 114, and the second height is a height of a connection portion between the connection section 118 and the air outlet section 114 and a maximum outer diameter of the air outlet portion 124. The first height and the second height are both in a direction from the air inlet section 112 to the air outlet section 114.
The second height is far smaller than the first height, that is, a larger distance is provided between the air outlet portion 124 and the end of the air outlet section 114 far away from the air inlet section 112, so as to ensure the air outlet volume of the whole fan 100.
In this embodiment, the second height is smaller than a fourth calculated value, wherein the fourth calculated value is calculated by multiplying the first height by a fourth set value, and the fourth set value is greater than the third set value and smaller than 1.
Preferably, the third calculated value is 0.2 and the fourth calculated value is 0.8. That is, the following relationship is satisfied between the first height and the second height:
0.2×h1<h2<0.8×h1(ii) a Wherein h is1Is a first height, h2Is the second height.
In summary, in the blower 100 provided in this embodiment, in the working process of the blower 100, the wind flows from the direction of the wind inlet section 112 to the direction of the wind outlet section 114, and the wind guiding ring 110 and the fan blades 120 are arranged at an interval while the wind outlet portion 124 is matched with the shape of the wind outlet section 114, so that the distance between the wind outlet portion 124 and the wind outlet section 114 can be kept equal, the increase of the distance between the wind outlet portion 124 and the wind outlet section 114 is reduced, the fluid leakage is reduced, and the air supply efficiency of the blower 100 is improved.
Second embodiment
The embodiment provides an air conditioner, and the air conditioner that this embodiment provided can make the distance between air-out portion 124 and the air-out section 114 keep equal, reduces the condition of the distance increase between air-out portion 124 and the air-out section 114, reduces the condition that the fluid leaks and flows to the air supply efficiency of fan 100 has been improved.
For the sake of brief description, where this embodiment is not mentioned, reference may be made to the first embodiment.
In the present embodiment, the air conditioner includes the blower 100 provided in the first embodiment.
Although the present invention is disclosed above, the present invention is not limited thereto. Various changes and modifications may be effected 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 fan is characterized in that the fan (100) comprises a wind guide ring (110), a transmission part (130) and a plurality of fan blades (120), the plurality of fan blades (120) are installed on the transmission part (130), the wind guide ring (110) is annularly arranged around the fan blades (120), the wind guide ring (110) comprises a wind inlet section (112) and a wind outlet section (114), the wind inlet section (112) is connected with the wind outlet section (114), the fan blades (120) comprise a body (122) and a wind outlet part (124), the body (122) is connected with the transmission part (130), the wind outlet part (124) is connected with one end, far away from the transmission part (130), of the body (122) and is arranged close to the wind outlet section (114), and the shape of the wind outlet part (124) is matched with the shape of the wind outlet section (114).
2. The fan as claimed in claim 1, wherein the air outlet portion (124) has an air guiding surface (126), the air outlet section (114) has an air outlet surface (116), and the shape of the air guiding surface (126) is adapted to the shape of the air outlet surface (116).
3. The fan as claimed in claim 2, wherein the air outlet surface (116) and the air guide surface (126) are arc-shaped, and a distance between the air outlet surface (116) and the air guide surface (126) in a radial direction of the air outlet surface (116) is a first distance, and the first distances are all equal.
4. The fan according to claim 1, wherein the wind guide ring (110) further comprises a connecting section (118), the wind inlet section (112) is connected with the wind outlet section (114) through the connecting section (118), and the shape of the connecting section (118) is matched with that of the body (122).
5. The fan as claimed in claim 4, wherein the distance between the connecting section (118) and the body (122) is a second distance, the air outlet portion (124) has an air guide surface (126), the air outlet section (114) has an air outlet surface (116), the air outlet surface (116) and the air guide surface (126) are arc-shaped, the distance between the air outlet surface (116) and the air guide surface (126) in the radial direction of the air outlet surface (116) is a first distance, and the first distance is equal to the second distance.
6. The fan according to claim 1, wherein the wind guide ring (110) further comprises a connecting section (118), the wind inlet section (112) is connected with the wind outlet section (114) through the connecting section (118), an outer diameter of a position of the body (122) corresponding to the connecting section (118) is a first diameter, a maximum outer diameter of the wind outlet portion (124) is a second diameter, the second diameter is larger than a first calculated value, the first calculated value is calculated by multiplying the first diameter by a first set value, and the first set value is larger than 1 and smaller than 1.2.
7. The fan as claimed in claim 6, wherein the second diameter is smaller than a second calculated value, wherein the second calculated value is calculated by multiplying the first diameter by a second set value, and wherein the second set value is greater than the first set value and less than 2.
8. The fan according to claim 1, wherein in a direction from the air inlet section (112) to the air outlet section (114), a height of the air outlet section (114) is a first height, a height between an end of the air outlet section (114) close to the air inlet section (112) and an end of the air outlet portion (124) far away from the body (122) is a second height, the second height is greater than a third calculated value, wherein the third calculated value is calculated by multiplying the first height by a third set value, and the third set value is greater than 0 and less than 0.5.
9. The fan of claim 8, wherein the second height is less than a fourth calculated value, wherein the fourth calculated value is calculated by multiplying the first height by a fourth set value, and wherein the fourth set value is greater than the third set value and less than 1.
10. An air conditioner, characterized in that it comprises a fan (100) according to any one of claims 1-9.
CN202123217120.1U 2021-12-17 2021-12-17 Fan and air conditioner Active CN216769588U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202123217120.1U CN216769588U (en) 2021-12-17 2021-12-17 Fan and air conditioner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202123217120.1U CN216769588U (en) 2021-12-17 2021-12-17 Fan and air conditioner

Publications (1)

Publication Number Publication Date
CN216769588U true CN216769588U (en) 2022-06-17

Family

ID=81967534

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202123217120.1U Active CN216769588U (en) 2021-12-17 2021-12-17 Fan and air conditioner

Country Status (1)

Country Link
CN (1) CN216769588U (en)

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