阅读说明：本技术 双向吸入分流式离心扇轮及离心散热扇 (Bidirectional suction shunting centrifugal fan wheel and centrifugal heat radiation fan ) 是由 李朝勋 于 2020-07-22 设计创作，主要内容包括：本发明公开了一种双向吸入分流式离心扇轮及离心散热扇,涉及散热扇技术领域,双向吸入分流式离心扇轮包括轮毂、多个扇叶和多个连接板,多个扇叶沿轮毂的周向布设,且各扇叶的一端均与轮毂固定连接,两相邻的扇叶之间均设置有一个连接板,各连接板的一端与轮毂的侧壁固定连接,各连接板的两侧分别与相邻的两个扇叶固定连接,各连接板用于阻挡两相邻的扇叶之间的气体在轮毂轴向上的流通；离心散热扇包括壳体和上述的双向吸入分流式离心扇轮。本发明中,连接板能够限制扇轮从其两侧吸入的空气沿轮毂的轴向方向的流动距离,使扇轮的两侧无法通过扇轮的内部连通,空气进入壳体后分别在扇轮的两侧流动,噪音低,利于提高扇轮转速,结构强度也高。(The invention discloses a bidirectional suction shunting type centrifugal fan wheel and a centrifugal heat dissipation fan, and relates to the technical field of heat dissipation fans, wherein the bidirectional suction shunting type centrifugal fan wheel comprises a hub, a plurality of fan blades and a plurality of connecting plates, the plurality of fan blades are distributed along the circumferential direction of the hub, one end of each fan blade is fixedly connected with the hub, one connecting plate is arranged between every two adjacent fan blades, one end of each connecting plate is fixedly connected with the side wall of the hub, two sides of each connecting plate are respectively fixedly connected with the two adjacent fan blades, and each connecting plate is used for blocking the gas between the two adjacent fan blades from flowing in the axial direction of the hub; the centrifugal heat radiation fan comprises a shell and the bidirectional suction flow-dividing centrifugal fan wheel. According to the invention, the connecting plate can limit the flowing distance of air sucked from the two sides of the fan wheel along the axial direction of the hub, so that the two sides of the fan wheel cannot be communicated through the inside of the fan wheel, the air flows on the two sides of the fan wheel respectively after entering the shell, the noise is low, the rotating speed of the fan wheel is favorably improved, and the structural strength is high.)

1. A bidirectional suction split-flow centrifugal fan wheel is characterized in that: the novel fan comprises a hub, a plurality of fan blades and a plurality of connecting plates, wherein the fan blades are arranged along the circumferential direction of the hub, one end of each fan blade is fixedly connected with the hub, one connecting plate is arranged between every two adjacent fan blades, one end of each connecting plate is fixedly connected with the side wall of the hub, two sides of each connecting plate are fixedly connected with the two adjacent fan blades respectively, and each connecting plate is used for blocking the gas between the two adjacent fan blades from flowing in the axial direction of the hub.

2. The bidirectional suction split-flow centrifugal fan wheel according to claim 1, wherein: along the width direction of flabellum, the both ends of flabellum are first end and second end respectively, the connecting plate includes first connecting plate and second connecting plate, each the both sides of first connecting plate respectively with double-phase neighbour first end fixed connection, each the both sides of second connecting plate respectively with double-phase neighbour second end fixed connection, first connecting plate with the second connecting plate parallel and crisscross setting.

3. The bidirectional suction split-flow centrifugal fan wheel according to claim 1, wherein: along the width direction of flabellum, the both ends of flabellum are first end and second end respectively, and two are adjacent in the flabellum, every one side of fishplate bar with one the flabellum first end fixed connection, the opposite side with another the flabellum second end fixed connection.

4. The bidirectional suction split-flow centrifugal fan wheel according to claim 1, wherein: the hub, the fan blades and the connecting plates are integrally formed.

5. The bidirectional suction split-flow centrifugal fan wheel according to claim 1, wherein: each fan blade is an arc-shaped fan blade, and the distance between two adjacent fan blades gradually increases along the direction away from the hub.

6. The utility model provides a centrifugal heat dissipation fan which characterized in that: the bidirectional suction split-flow type centrifugal fan wheel comprises a shell and the bidirectional suction split-flow type centrifugal fan wheel as claimed in any one of claims 1 to 5, wherein the bidirectional suction split-flow type centrifugal fan wheel is located in the shell, air inlets are formed in two end plates of the shell along the axial direction of a hub, and air outlets are formed in the side wall of the shell.

Technical Field

The invention relates to the technical field of heat dissipation fans, in particular to a bidirectional suction flow-dividing type centrifugal fan wheel and a centrifugal heat dissipation fan.

Background

Electronic components inside a notebook computer usually generate heat during operation, so that the temperature of the components is raised, and normal operation of the components is affected, therefore, a heat dissipation device must be installed to ensure normal operation of the components at a proper temperature.

Disclosure of Invention

The invention aims to provide a bidirectional suction flow-dividing type centrifugal fan wheel and a centrifugal heat-radiating fan, which are used for solving the problems in the prior art, improving the structural strength and the heat-radiating capacity of the centrifugal heat-radiating fan and reducing the noise level of the heat-radiating fan.

In order to achieve the purpose, the invention provides the following scheme:

the invention provides a bidirectional suction shunting type centrifugal fan wheel which comprises a hub, a plurality of fan blades and a plurality of connecting plates, wherein the plurality of fan blades are distributed along the circumferential direction of the hub, one end of each fan blade is fixedly connected with the hub, one connecting plate is arranged between two adjacent fan blades, one end of each connecting plate is fixedly connected with the side wall of the hub, two sides of each connecting plate are respectively fixedly connected with two adjacent fan blades, and each connecting plate is used for blocking the gas between the two adjacent fan blades from flowing in the axial direction of the hub.

Preferably, along the width direction of the fan blade, the two ends of the fan blade are respectively a first end and a second end, the connecting plate comprises a first connecting plate and a second connecting plate, the two sides of each first connecting plate are respectively fixedly connected with the two adjacent first ends, the two sides of each second connecting plate are respectively fixedly connected with the two adjacent second ends, and the first connecting plates and the second connecting plates are arranged in parallel and in a staggered manner.

Preferably, along the width direction of flabellum, the both ends of flabellum are first end and second end respectively, and two adjacent in the flabellum, one side of every fishplate bar with one the flabellum first end fixed connection, the opposite side with another the flabellum second end fixed connection.

Preferably, the hub, the blades and the connecting plates are integrally formed.

Preferably, each fan blade is an arc-shaped fan blade, and the distance between two adjacent fan blades gradually increases along the direction away from the hub.

The invention also provides a centrifugal heat dissipation fan, which comprises a shell and the bidirectional suction shunting type centrifugal fan wheel as claimed in any one of the preceding claims, wherein the bidirectional suction shunting type centrifugal fan wheel is positioned in the shell, the two end plates of the shell are respectively provided with an air inlet along the axial direction of the hub, and the side wall of the shell is provided with an air outlet.

Compared with the prior art, the invention has the following technical effects:

the invention provides a bidirectional suction shunting type centrifugal fan wheel and a centrifugal heat dissipation fan, wherein air can be sucked at two ends of the fan wheel along the axial direction of a hub, a connecting plate can block the flow of air between two adjacent fan blades in the axial direction of the hub, so that the air sucked at the two ends of the fan wheel cannot be communicated through the inside of the fan wheel, the working capacity of the heat dissipation fan is ensured, noise cannot be generated due to mutual impact of air flow, the noise is favorably reduced when the fan wheel works, a space is reserved for improving the rotating speed of the fan wheel, in addition, in order to ensure the air supply quantity, the fan wheel needs to rotate at high speed and is easy to damage under the impact of the air flow, the connecting plate is connected with the two adjacent fan blades, the effect of reinforcing ribs can be achieved, the fan wheel is not easy to damage when rotating at high speed, and the rotating speed of the fan wheel is.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic structural view of a bidirectional suction split-flow centrifugal fan wheel according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a bidirectional suction split-flow centrifugal fan wheel according to a second embodiment of the present invention.

In the figure: 1-a hub; 2-fan blades; and 3, connecting plates.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The invention aims to provide a bidirectional suction flow-dividing type centrifugal fan wheel and a centrifugal heat-radiating fan, which are used for solving the problems in the prior art, improving the structural strength and the heat-radiating capacity of the centrifugal heat-radiating fan and reducing the noise level of the heat-radiating fan.

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.