阅读说明：本技术 一种导风定叶轮及风机组件 (Wind-guiding fixed impeller and fan assembly ) 是由 汤雨前 李豪 于 2019-04-23 设计创作，主要内容包括：本发明提供了一种导风定叶轮,其包括：圆形的导风盘,其圆心处设置有轴孔,导风盘的边沿具有沿着导风盘的轴向延伸的圆环件；多个导风片,其固定设置于圆环件的外壁上,多个导风片沿着圆环件的周向均匀分布,导风片为弧形的导风片,导风片的两端分别形成第一端部和第二端部,第一端部延伸至圆环件的顶沿处,第二端部延伸至导风盘的边沿处,第一端部和导风盘的径向线之间形成20-60°的夹角。本发明还提供了一种风机组件。本发明相比现有技术可以有效地降低定叶轮的风阻,同时提高导风效率。(The invention provides an air guide fixed impeller, which comprises: the circular air guide disc is provided with an axle hole at the center of the circle, and the edge of the air guide disc is provided with a circular ring piece extending along the axial direction of the air guide disc; the air guide pieces are uniformly distributed along the circumferential direction of the circular ring piece and are arc-shaped, a first end portion and a second end portion are formed at two ends of each air guide piece respectively, the first end portion extends to the top edge of the circular ring piece, the second end portion extends to the edge of the air guide disc, and an included angle of 20-60 degrees is formed between the first end portion and the radial line of the air guide disc. The invention also provides a fan assembly. Compared with the prior art, the invention can effectively reduce the wind resistance of the fixed impeller and improve the wind guide efficiency.)

1. An air guide stator vane wheel, comprising:

the air guide plate comprises a circular air guide plate (1), wherein a shaft hole (11) is formed in the center of the circle of the circular air guide plate (1), and a circular ring piece (12) extending along the axial direction of the air guide plate (1) is arranged on the edge of the air guide plate (1);

the air guide plates (2) are fixedly arranged on the outer wall of the circular ring piece (12), the air guide plates (2) are uniformly distributed along the circumferential direction of the circular ring piece (12), the air guide plates (2) are arc-shaped air guide plates, a first end portion (21) and a second end portion (22) are respectively formed at two ends of each air guide plate (2), the first end portion (21) extends to the top edge (121) of the circular ring piece (12), the second end portion (22) extends to the edge of the air guide disc (1), and an included angle (a3) of 20-60 degrees is formed between the first end portion (21) and the radial line of the air guide disc (1).

2. Wind-guiding impeller according to claim 1, wherein the first end portion (21) and the top edge (121) of the annular member (12) form an angle (a2) of 50-90 °.

3. Wind guiding vane wheel according to claim 1, characterized in that the second end (22) forms an angle (a1) of 15-45 ° with the edge of the wind guiding disc (1).

4. Wind guiding vane wheel according to claim 1, characterized in that the diameter (b1) of the wind guiding disc (1) is

5. The wind-guiding stator blade wheel as claimed in claim 1, wherein the diameter (b2) of the foreign country surrounded by the plurality of wind-guiding blades (2) is as large as

6. The wind-guiding stator impeller according to claim 1, characterized in that the number of the wind-guiding blades (2) is 8-18.

7. Wind-guiding stator blade wheel according to claim 1, characterised in that the height of the ring element (12) is 9-13 mm.

8. Wind-guiding stator blade wheel according to any one of claims 1 to 7, characterized in that the wind-guiding disc (1), the ring (12) and the plurality of wind-guiding fins (2) are integrally formed.

9. A fan assembly comprising a motor part (3) and a moving impeller (4), characterised by comprising a wind-guiding fixed impeller according to any one of claims 1 to 8.

Technical Field

The invention relates to a fixed impeller, in particular to an air guide fixed impeller and a fan assembly.

Background

With the development of society and the transition of times, centrifugal fans have been widely used in various fields such as production, industry, and life as the most frequently used kind of various fans. Among them, a small centrifugal fan is widely used in a household cleaner. The flow of the fan is very complex during operation, and a plurality of problems often exist: the installation angle of the air guide pieces in the fixed impeller is unreasonable, and the air resistance of the fixed impeller is increased, so that the air guide efficiency is limited easily.

Disclosure of Invention

In view of this, the present invention provides a wind guide fixed impeller and a fan assembly, which aims to reduce the wind resistance of the fixed impeller and effectively improve the wind guide efficiency.

To this end, in one aspect, the present invention provides an air guide stator vane, comprising:

the circular air guide disc is provided with an axle hole at the center of the circle, and the edge of the air guide disc is provided with a circular ring piece extending along the axial direction of the air guide disc;

the air guide pieces are uniformly distributed along the circumferential direction of the circular ring piece and are arc-shaped, a first end portion and a second end portion are formed at two ends of each air guide piece respectively, the first end portion extends to the top edge of the circular ring piece, the second end portion extends to the edge of the air guide disc, and an included angle of 20-60 degrees is formed between the first end portion and the radial line of the air guide disc.

Further, an included angle of 50-90 degrees is formed between the first end part and the top edge of the annular ring.

Furthermore, an included angle of 15-45 degrees is formed between the second end part and the edge of the air guide disc.

Further, the diameter of the wind guide plate is

Further, the diameter of the outer ring enclosed by the plurality of air guide sheets is

Furthermore, the number of the wind guide sheets is 8-18.

Further, the height of the circular ring piece is 9-13 mm.

Furthermore, the air guide disc, the circular ring piece and the plurality of air guide sheets are integrally formed.

In another aspect, the present invention provides a fan assembly comprising a motor part and a movable impeller, and further comprising a wind guide impeller as described above.

According to the wind guide fixed impeller and the fan assembly, the included angle of 20-60 degrees is formed between the first end of the wind guide sheet and the radial line of the wind guide disc, and verification proves that the efficiency of the motor can be effectively improved, so that the wind resistance of the fixed impeller can be effectively reduced, and the wind guide efficiency is improved.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:

fig. 1 is a top view of an air guide vane wheel according to an embodiment of the present invention;

fig. 2 is a side view of an air guide vane wheel according to an embodiment of the present invention;

fig. 3 is a first perspective view of an air guide vane wheel according to an embodiment of the present invention;

fig. 4 is a second perspective view of the air guide vane wheel according to the embodiment of the present invention;

fig. 5 is a schematic structural diagram of a fan assembly according to an embodiment of the present invention.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

Referring to fig. 1 to 4, the wind-guiding fixed impeller provided by the embodiment of the present invention is shown in the drawings, and mainly includes a circular wind-guiding disc 1 and a plurality of wind-guiding sheets 2, a circular shaft hole 11 is provided at a circle center of the circular wind-guiding disc 1, and is used for being assembled with other components of a fan assembly, a circular ring member 12 extending along an axial direction of the wind-guiding disc 1 is provided at an edge of the wind-guiding disc 1 by way of integral molding or the like, the plurality of wind-guiding sheets 2 are fixedly provided on an outer wall of the circular ring member 12 by way of integral molding or the like, the plurality of wind-guiding sheets 2 are uniformly distributed along a circumferential direction of the circular ring member 12, the wind-guiding sheets 2 are arc-shaped wind-guiding sheets, a first end portion 21 and a second end portion 22 are respectively formed at two ends of the wind-guiding sheet 2, the first end portion 21 extends to a top edge 121 of the circular ring member 12, the second end portion 22 extends to an edge of the wind-guiding, meanwhile, an included angle a2 of 50-90 degrees is formed between the first end part 21 and the top edge 121 of the circular ring element 12, and an included angle a1 of 15-45 degrees is formed between the second end part 22 and the edge of the wind guide disc 1.

Meanwhile, referring to fig. 5, a fan assembly provided by an embodiment of the present invention is shown, which includes a motor part 3 and a moving impeller 4, and further includes the above-mentioned wind guiding impeller.

Specific examples of the above-mentioned included angles a1-a3 are shown in the following table.

The motor efficiency is the ratio of output power/input power of a motor. As can be seen from the above table, the efficiency of the motor is improved, so that the wind resistance of the fixed impeller can be effectively reduced, and the wind guiding efficiency is improved.

Furthermore, with reference to fig. 1 to 2, the diameter b1 of the wind deflector 1 can be in the range of

Alternatively, the diameter b2 of the outer ring formed by the plurality of air guiding sheets 2 can be within

And (4) internal selection.

Meanwhile, the number of the wind-guiding sheets 2 can be set according to the requirement, for example, 8-18 sheets. The height of the ring member 12 may be selected within 9-13 mm.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.