CN-122014680-A - Fan assembly and air conditioning equipment

CN122014680ACN 122014680 ACN122014680 ACN 122014680ACN-122014680-A

Abstract

The application discloses a fan assembly and air conditioning equipment. The fan assembly comprises an impeller and an air guide ring, an air guide channel is arranged on the air guide ring, and the impeller is at least partially arranged in the air guide channel. The air guide channel comprises an air inlet section, a throat section and an air outlet section which are sequentially communicated, and the air inlet section and the air outlet section are gradually expanded in the direction deviating from the throat section respectively. The heat exchanger includes the offset setting in the first heat exchange portion of fan subassembly one side, and the air-out section includes along wind-guiding passageway's circumference interconnect first part and second part, and first part is close to first heat exchange portion in the second part, and the tip that first part deviates from the laryngeal section is provided with first air-out profile, and the tip that the second part deviates from the laryngeal section is provided with the second air-out profile, and first air-out profile is the convex that suits with the blade sweep circle at least partially, and the second air-out profile includes at least one straight flange.

Inventors

WANG FENGHUA
HU XIAOWEN
Bai Chengan
Song Huaile
DING SHENGLI

Assignees

广东美的制冷设备有限公司
美的集团股份有限公司

Dates

Publication Date: 20260512
Application Date: 20260204

Claims (11)

1. The fan assembly is characterized by comprising an impeller and an air guide ring, wherein an air guide channel is arranged on the air guide ring, and the impeller is at least partially arranged in the air guide channel; The air guide channel comprises an air inlet section, a throat section and an air outlet section which are sequentially communicated, the throat section is in a cylindrical shape which is matched with a blade sweeping circle of the impeller, the air inlet section and the air outlet section are respectively gradually expanded in a direction deviating from the throat section, the impeller rotates around a preset rotation axis and generates heat exchange airflow which exchanges heat with a heat exchanger under the guiding action of the air guide channel, the heat exchanger is arranged at the upstream of the fan assembly along the rotation axis and at least comprises a first heat exchange part, the first heat exchange part forms a first projection on a first reference plane along the rotation axis, the air inlet section forms a second projection on the first reference plane along the rotation axis, the first projection is positioned at the outer side of the second projection, and the first reference plane is perpendicular to the rotation axis; The air-out section includes along wind-guiding passageway's circumference interconnect first part and second part, first part compare in the second part is close to first heat exchange portion, first part deviates from the tip of laryngeal section is provided with first air-out profile, the second part deviates from the tip of laryngeal section is provided with the second air-out profile, first air-out profile is at least part be with the blade sweeps the convex that the circle suited, the second air-out profile includes at least one straight flange.
2. The fan assembly of claim 1 wherein the fan assembly comprises a fan assembly, The second air outlet profile comprises a plurality of straight edges which are connected in a smooth transition manner.
3. The fan assembly of claim 2 wherein the fan assembly comprises, The first reference plane passes through the air outlet section; the divergence angle of the second portion relative to the laryngeal section is greater than the divergence angle of the first portion relative to the laryngeal section on the first reference plane.
4. The fan assembly of claim 3 wherein, The air guide ring is a square air guide ring; On the first reference plane, the second part has a first divergence angle relative to the laryngeal section in a region near a corner of the square wind guide ring, and the second part has a second divergence angle relative to the laryngeal section in a region near a midpoint of a frame of the square wind guide ring, the second divergence angle being smaller than the first divergence angle.
5. The fan assembly of claim 2 wherein the fan assembly comprises, The second air outlet contour is positioned outside the reference circle corresponding to the first air outlet contour.
6. The fan assembly of claim 2 wherein the fan assembly comprises, The air guide ring is provided with a second reference plane, and the second reference plane passes through the rotation axis of the impeller and divides the air outlet section into the first part and the second part; The first air outlet contour and the second reference plane enclose to form a first air outlet area, the second air outlet contour and the second reference plane enclose to form a second air outlet area, and the area of the second air outlet area is larger than that of the first air outlet area.
7. The fan assembly of claim 6 wherein the fan assembly comprises, The fan assembly further comprises a mesh cover, the mesh cover is arranged at the end part of the air outlet section, which is far away from the throat section, the mesh cover comprises a first cover body part and a second cover body part, the first cover body part is arranged in the first air outlet area in a covering mode, and the second cover body part is arranged in the second air outlet area in a covering mode; The outer contour shape of the first cover body part is consistent with the first air outlet contour, and the outer contour shape of the second cover body part is consistent with the outer contour of the air guide ring.
8. The fan assembly of claim 1 wherein the fan assembly comprises a fan assembly, The end part of the air inlet section, which is away from the throat section, is provided with an air inlet contour, and the air inlet contour is round which is adaptive to the sweeping circle of the blade.
9. The fan assembly of any of claims 1-8 wherein, And the length of the air outlet section is longer than that of the laryngeal opening section along the rotation axis.
10. An air conditioning apparatus, characterized in that, The air conditioning apparatus comprising a heat exchanger and the fan assembly of any of claims 1-9, the heat exchanger being disposed upstream of the fan assembly along the rotational axis and having at least a first heat exchange portion forming a first projection on the first reference plane along the rotational axis, the air intake section forming a second projection on the first reference plane along the rotational axis, the first projection being located outside of the second projection.
11. An air conditioning apparatus according to claim 10, wherein, The heat exchanger comprises a second heat exchange part which is connected with the first heat exchange part in a bending way, and the projection of the second heat exchange part along the rotation axis at least partially covers the air inlet section.

Description

Fan assembly and air conditioning equipment Technical Field The application relates to the technical field of fans, in particular to a fan assembly and air conditioning equipment. Background In air conditioning apparatuses, air is generally driven to flow by a fan assembly, and heat on the surface of a heat exchanger is taken away by the air, so that the heat exchanger is cooled. The heat exchanger is disposed upstream of the fan assembly, and in conventional heat dissipation system designs, the heat exchanger is typically disposed asymmetrically on one side or around the fan assembly for compactness or limited installation space. Traditional fan subassembly is generally symmetrical setting, and to the heat exchanger of asymmetric arrangement, traditional symmetrical fan subassembly radiating efficiency is lower, is difficult to satisfy the heat dissipation demand. Disclosure of Invention The application provides a fan assembly, which comprises an impeller and a wind guide ring. The wind guiding ring is provided with a wind guiding channel, the impeller is at least partially arranged in the wind guiding channel, the wind guiding channel comprises an air inlet section, a throat section and an air outlet section which are sequentially communicated, the throat section is in cylindrical arrangement which is matched with a blade sweeping circle of the impeller, the air inlet section and the air outlet section are respectively and gradually expanded in the direction which is away from the throat section, the impeller rotates around a preset rotation axis and generates heat exchange airflow which exchanges heat with the heat exchanger under the guiding action of the wind guiding channel, the heat exchanger is arranged at the upstream of the fan assembly along the rotation axis and at least comprises a first heat exchange part, the first heat exchange part forms a first projection on a first reference plane along the rotation axis, the air inlet section forms a second projection on the first reference plane along the rotation axis, the first projection is positioned at the outer side of the second projection, the first reference plane is perpendicular to the rotation axis, the air outlet section comprises a first part and a second part which are connected with each other along the circumferential direction of the wind guiding channel, the first part is close to the first heat exchange part compared with the second part, the end part which is away from the throat section is provided with a first air outlet contour, the end part which is away from the fan assembly, the second part is provided with at least one circular arc-shaped wind outlet contour, and the second part is at least one side of the air outlet contour is matched with the first air outlet contour. In some embodiments, the second outlet profile includes a plurality of straight sides that are smoothly transitioned. In some embodiments, the first reference plane passes through the air outlet section, and the divergence angle of the second portion relative to the laryngeal section is greater than the divergence angle of the first portion relative to the laryngeal section on the first reference plane. In some embodiments, the wind-guiding ring is a square wind-guiding ring, and the second portion has a first divergence angle relative to the laryngeal inlet section in a region near a corner of the square wind-guiding ring and a second divergence angle relative to the laryngeal inlet section in a region near a midpoint of a rim of the square wind-guiding ring, the second divergence angle being less than the first divergence angle, on the first reference plane. In some embodiments, the second wind outlet profile is located outside of a reference circle corresponding to the first wind outlet profile. In some embodiments, the air guide ring is provided with a second reference plane, the second reference plane passes through the rotation axis of the impeller and divides the air outlet section into a first part and a second part, the first air outlet contour and the second reference plane are surrounded to form a first air outlet area, the second air outlet contour and the second reference plane are surrounded to form a second air outlet area, and the area of the second air outlet area is larger than that of the first air outlet area. In some embodiments, the fan assembly further comprises a mesh enclosure, the mesh enclosure is arranged at the end part of the air outlet section, which is far away from the throat section, the mesh enclosure comprises a first cover body part and a second cover body part, the first cover body part is arranged in the first air outlet area, the second cover body part is arranged in the second air outlet area, the outer contour shape of the first cover body part is consistent with the outer contour shape of the first air outlet wheel, and the outer contour shape of the second cover body part is consistent with the outer contour shape of