CN-224228939-U - Cross-flow wind wheel, cross-flow fan and air conditioner

CN224228939UCN 224228939 UCN224228939 UCN 224228939UCN-224228939-U

Abstract

The application relates to the technical field of air conditioners and discloses a cross-flow wind wheel, a cross-flow fan and an air conditioner. The cross-flow wind wheel comprises at least two connecting discs, a plurality of deformation blades, a guide groove and a cross-flow wind wheel body, wherein the at least two connecting discs are arranged at intervals along a first direction, the deformation blades are connected between the two adjacent connecting discs, the deformation blades are sequentially arranged at intervals, the guide groove is provided with a first end, one end of each deformation blade is rotationally connected with the connecting disc, the other end of each deformation blade is in sliding fit with the guide groove, the guide groove is used for guiding the other end of each deformation blade to move when the cross-flow wind wheel changes the rotation direction, and the other end of each deformation blade is arranged at the first end of the guide groove when the cross-flow wind wheel rotates along a second direction or along a third direction. The cross flow wind wheel solves the problem of low air output when the cross flow wind wheel reverses.

Inventors

XIONG JUN
GAO XU
LIANG ZHIQI
CHEN KAIDONG
YE HAISEN
REN FENG

Assignees

TCL空调器(中山)有限公司

Dates

Publication Date: 20260512
Application Date: 20250523

Claims (10)

1. A cross flow wind wheel, comprising: At least two connection pads (1), the at least two connection pads (1) being arranged at intervals along a first direction; The plurality of deformation fan blades (2) are connected between two adjacent connecting discs (1), and the plurality of deformation fan blades (2) are sequentially arranged at intervals along the circumference of the connecting discs; The connecting disc (1) is provided with a guide groove (11), the guide groove (11) is provided with a first end, one end of the deformed fan blade (2) is rotationally connected with the connecting disc (1), the other end of the deformed fan blade is in sliding fit with the guide groove (11), and the guide groove (11) is used for guiding the other end of the deformed fan blade (2) to move when the rotation direction of the cross-flow wind wheel is changed; When the cross-flow wind wheel rotates along the second direction or the third direction, the other end of the deformation fan blade (2) is arranged at the first end of the guide groove (11).
2. The cross-flow wind wheel according to claim 1, wherein the deformed wind blade (2) comprises a wind guiding part (21) and a first connecting part (22), the first connecting part (22) is arranged at the other end of the wind guiding part (21), and the first connecting part (22) is slidably connected with the guiding groove (11).
3. The cross-flow wind wheel according to claim 2, wherein the guiding groove (11) comprises a limiting groove (111) and a sliding groove (112), and a clamping block (113) for limiting the first connecting part (22) to slide out of the limiting groove (111) is arranged on the groove wall of the guiding groove (11); When the cross flow wind wheel rotates along the second direction or the third direction, the first connecting part (22) is arranged in the limiting groove (111).
4. The cross-flow wind wheel according to claim 2, wherein the deformed wind blade (2) further comprises a second connecting portion (23), the second connecting portion (23) is arranged at one end of the wind guiding portion (21) away from the first connecting portion (22), the connecting disc (1) is provided with a connecting hole (12), and the second connecting portion (23) is in running fit with the connecting hole (12).
5. The cross-flow wind wheel according to claim 4, wherein the angle between the direction from the second connecting part (23) to the first end of the guiding groove (11) and the direction from the second connecting part (23) to the center of the connecting disc (1) is alpha, and alpha is more than or equal to 20 degrees and less than or equal to 30 degrees.
6. A through-flow wind wheel according to claim 2, characterised in that at least part of the wind guiding portion (21) is a deformation zone; When the cross flow wind wheel rotates along the second direction, the deformation area is outwards protruded towards the third direction, and when the cross flow wind wheel rotates along the third direction, the deformation area is outwards protruded towards the second direction.
7. The cross-flow wind wheel according to claim 1, wherein the angle between the direction from the first end of the guiding groove (11) to the second end of the guiding groove (11) and the direction from the first end of the guiding groove (11) to the center of the connecting disc (1) is beta, and beta is more than or equal to 25 degrees and less than or equal to 45 degrees.
8. The cross-flow wind wheel according to claim 1, further comprising a fixed blade (3), wherein the fixed blade (3) is arranged between two adjacent deformed blades (2), and the fixed blade (3) is fixedly connected with the connecting disc (1).
9. A crossflow blower comprising a crossflow rotor according to any one of claims 1-8.
10. An air conditioner comprising the cross flow fan according to claim 9.

Description

Cross-flow wind wheel, cross-flow fan and air conditioner Technical Field The application belongs to the technical field of air conditioners, and particularly relates to a cross-flow wind wheel, a cross-flow fan and an air conditioner. Background In the related art, a through-flow fan is generally adopted to reverse, high-temperature air in the indoor unit of the air conditioner is utilized to heat working medium flowing out of the heat exchanger of the indoor unit, and the heated working medium is utilized to assist defrosting and deicing of the outdoor unit of the air conditioner. However, the air output is low when the cross flow wind wheel of the existing air conditioner reverses, so that the heating effect of working medium flowing out of the indoor unit heat exchanger is poor. Accordingly, improvements in the art are needed. The above information is presented as background information only to aid in the understanding of the present disclosure and is not intended or admitted to be prior art relative to the present disclosure. Disclosure of utility model The embodiment of the application provides a cross-flow wind wheel, a cross-flow fan and an air conditioner, which are used for solving the problem of low air output when the cross-flow wind wheel reverses. In a first aspect, an embodiment of the present application provides a through-flow wind turbine, including: At least two lands that are disposed at intervals along a first direction; The plurality of deformation fan blades are connected between two adjacent connecting discs, and are sequentially arranged at intervals along the circumferential direction of the connecting discs; The guide groove is formed in the connecting disc and is provided with a first end, one end of the deformed fan blade is rotationally connected with the connecting disc, the other end of the deformed fan blade is in sliding fit with the guide groove, and the guide groove is used for guiding the other end of the deformed fan blade to move when the rotation direction of the cross-flow wind wheel is changed; when the cross flow wind wheel rotates along the second direction or the third direction, the other end of the deformation fan blade is arranged at the first end of the guide groove. In one possible implementation manner, the deformation fan blade includes an air guiding portion and a first connecting portion, the first connecting portion is disposed at the other end of the air guiding portion, and the first connecting portion is slidingly connected with the guide groove. In one possible implementation manner, the guiding groove comprises a limiting groove and a sliding groove, and a clamping block for limiting the first connecting part to slide out of the limiting groove is arranged on the groove wall of the guiding groove; When the cross flow wind wheel rotates along the second direction or the third direction, the first connecting part is arranged in the limiting groove. In a possible implementation manner, the deformed fan blade further comprises a second connecting portion, the second connecting portion is arranged at one end, far away from the first connecting portion, of the air guiding portion, a connecting hole is formed in the connecting disc, and the second connecting portion is in running fit with the connecting hole. In one possible embodiment, an angle α between a direction from the second connection portion to the first end of the guide groove and a direction from the second connection portion to the center of the land is 20 ° or less and α or less than 30 °. In one possible embodiment, at least part of the air guiding part is a deformation area; When the cross flow wind wheel rotates along the second direction, the deformation area is outwards protruded towards the third direction, and when the cross flow wind wheel rotates along the third direction, the deformation area is outwards protruded towards the second direction. In one possible embodiment, the angle between the direction of the first end of the guide groove to the second end of the guide groove and the direction of the first end of the guide groove to the center of the connecting disc is beta, and beta is 25 degrees less than or equal to 45 degrees. In one possible implementation manner, the cross-flow wind wheel further comprises a fixed fan blade, the fixed fan blade is arranged between two adjacent deformation fan blades, and the fixed fan blade is fixedly connected with the connecting disc. In a second aspect, an embodiment of the present application further provides a cross-flow fan, where the cross-flow fan includes a cross-flow wind wheel as set forth in any one of the above. In a third aspect, an embodiment of the present application further provides an air conditioner, where the air conditioner includes the cross flow fan as described above. Compared with the prior art, the application has the following beneficial effects: According to the cross-flow wind wheel provided by the embodiment of