CN202065249U

CN202065249U - Radiator fan

Info

Publication number: CN202065249U
Application number: CN2011201041316U
Authority: CN
Inventors: 张�杰
Original assignee: SHENZHEN EXCELSIOR COMPUTER TECHNOLOGY CO LTD
Current assignee: SHENZHEN EXCELSIOR COMPUTER TECHNOLOGY CO LTD
Priority date: 2011-04-11
Filing date: 2011-04-11
Publication date: 2011-12-07
Anticipated expiration: 2021-04-11

Abstract

The utility model provides a radiator fan, which comprises a body and a shunting piece equipped on the body. The body comprises a bottom shell and a centrifugal type fan which is suitably applied for generating airflows. The bottom shell comprises a bottom and a side surface extending upwards from the external edges of the bottom. The side surface is provided with an air outlet. The inner side of the bottom is provided with an installing area and an airflow area which are connected with each other. The centrifugal type fan is equipped on the installing area while the shunting piece is equipped on the airflow area. One end of the shunting piece is connected with the side surface. The other end of the shunting piece extends along the rotating direction of the centrifugal type fan to the air outlet and makes the airflow area divided into a first flowing area and a second flowing area. The shunting piece is lower than the side surface. The shunting piece makes the airflow form a first airflow branch flowing in the first flowing area and a second airflow branch bypassing the shunting piece and flowing in the second flowing area. The radiator fan provided in the utility model has the characteristics of uniform flow rate and uniform flow velocity of airflows from the air outlet, effective heat radiating performance increase and noise decrease.

Description

Radiation fan

Technical field

The utility model relates to radiating device technical field, relates in particular to a kind of radiation fan.

Background technique

Along with development of science and technology, the manufacturing technology of electronic product is also in remarkable progress, make electronic product constantly develop towards microminiaturized direction, and in electronic product microminiaturization and ever-increasing while of function day by day, be accompanied by the increase of heat density, therefore heat dissipation problem more and more is subject to people's attention, as shown in Figure 1, existing radiation fan generally comprises drain pan 120 ' and is installed on centrifugal fan 140 ' on the drain pan 120 ', this drain pan 120 ' is provided with exhaust outlet 1820 ', locate also several radiating fin to be set at exhaust outlet 1820 ', these several radiating fin also heat couple heat-conducting piece, this heat-conducting piece connects heater element, and the air-flow that produces by fan 140 ' cools off radiating fin, reaches the purpose to the heater element heat radiation.Yet owing to the defective on the project organization, the air-flow that fan is produced is even at the flow velocity and the mass flow discrepancy at exhaust outlet place, effect that influence is dispelled the heat when heat radiation and the increase that causes noise.

The model utility content

The purpose of this utility model is, a kind of radiation fan is provided, and its exhaust outlet place air flow rate and flow velocity are even, thereby improves heat dispersion and reduce noise.

To achieve these goals, the utility model provides a kind of radiation fan, it comprises: a body and be located at position of splitter on this body, this body comprises drain pan and is suitable for producing the centrifugal fan of air-flow, this drain pan comprises that a bottom surface reaches from the upwardly extending side of bottom surface external side brim, this side is provided with exhaust outlet, the inboard, bottom surface is provided with continuous installing zone and flow area, centrifugal fan is located at installing zone, position of splitter is located at flow area, position of splitter one end is connected with the side, the other end extends to exhaust outlet along the centrifugal fan sense of rotation, make flow area form first flow region and second flow region, the position of splitter height is lower than the side height, and position of splitter makes air-flow be formed on first tributary that first flow region flows, and cross position of splitter in the second mobile tributary of second flow region.

The section of described position of splitter is triangular shape.

Described position of splitter is provided with fillet away from the end of drain pan bottom surface.

Described centrifugal fan comprises the motor of being located on the drain pan, and is installed on the flabellum on the motor, and installing zone is provided with several first wind inlets on the drain pan, and it is around forming an assembly department, and motor is located on this assembly department.

Comprise that also one is covered on the lid on the drain pan, corresponding centrifugal fan position is provided with second wind inlet on this lid.

Also comprise radiating subassembly, it comprises that correspondence is located at several radiating fin of drain pan exhaust outlet position, and and the heat-conducting piece that couples of radiating fin heat.

The beneficial effects of the utility model: the utility model provides a kind of radiation fan, it is by being provided with the position of splitter that extends to exhaust outlet along the centrifugal fan sense of rotation, make exhaust outlet place air flow rate and flow velocity even, can effectively improve heat dispersion, reduce noise, and it is simple in structure, easy to make.

In order further to understand feature of the present utility model and technology contents, see also following about detailed description of the present utility model and accompanying drawing, yet accompanying drawing only provide with reference to and the explanation usefulness, be not to be used for the utility model is limited.

Description of drawings

Below in conjunction with accompanying drawing,, will make the technical solution of the utility model and other beneficial effect apparent by embodiment of the present utility model is described in detail.

In the accompanying drawing,

Fig. 1 is the structural representation of existing radiation fan;

Fig. 2 is the perspective exploded view of the utility model radiation fan;

Fig. 3 is the combination schematic representation of Fig. 2;

Fig. 4 is the combination schematic top plan view of the body among Fig. 2;

Fig. 5 is the front elevation of Fig. 4;

Fig. 6 is the work schematic representation of Fig. 4.

Embodiment

For further setting forth technological means and the effect thereof that the utility model is taked, be described in detail below in conjunction with preferred embodiment of the present utility model and accompanying drawing thereof.

Shown in Fig. 1-6, the utility model provides a kind of radiation fan, it comprises: a body 10 and be located at position of splitter 20 on this body 10, this body 10 comprises drain pan 12 and is suitable for producing the centrifugal fan 14 of air-flow, this drain pan 12 comprises a bottom surface 16 and the upwardly extending side 18 of 16 external side brims from the bottom surface, this side 18 is provided with

exhaust outlet

182,16 inboards, bottom surface are provided with continuous installing zone 162 and flow area 164, centrifugal fan 14 is located at installing zone 162, position of splitter 20 is located at flow area 164, position of splitter 20 1 ends are connected with side 18, the other end extends to exhaust outlet 182 along centrifugal fan 14 sense of rotation, make flow area 164 form first flow region 166 and second flow region 168, position of splitter 20 highly is lower than side 18 height, and position of splitter 20 intercepts air-flow and makes air-flow be formed on the first tributary a1 that first flow region 166 flows, and cross the second tributary a2 that position of splitter 20 flows at second flow region 168.

The section of described position of splitter 20 is triangular shape.Preferably, described position of splitter 20 is provided with fillet 22 away from the end of drain pan bottom surface 16, and this setting is beneficial to the shunting of making and air-flow.

Concrete, described centrifugal fan 14 comprises the motor of being located on the drain pan 12 (not shown), and is installed on the flabellum 142 on the motor, and installing zone 162 is provided with several first wind inlets 170 on the drain pan 12, it is around forming an assembly department 172, and motor is located on this assembly department 172.The utility model comprises that also one is covered on the lid 30 on the drain pan 12, and corresponding centrifugal fan 14 positions are provided with second wind inlet 32 on this lid 30.In addition, the utility model also comprises radiating subassembly 40, it comprise correspondence be located at several radiating fin 42 of drain pan exhaust outlet 182 positions, and and the heat-conducting piece (not shown) that couples of several radiating fin 42 heat, thereby this heat-conducting piece connects heater element carries out heat conduction to heater element, comes radiating fin 42 is cooled off the purpose that reaches the heater element heat radiation at exhaust outlet 182 place's flows and flow velocity uniform airflow by what centrifugal fan 14 produced; The utility model effectively raises the performance of heat radiation, and has reduced noise, and position of splitter be provided with simple in structure, easy to make.

In sum, the utility model provides a kind of radiation fan, and it is by being provided with the position of splitter that extends to exhaust outlet along the centrifugal fan sense of rotation, make exhaust outlet place air flow rate and flow velocity even, can effectively improve heat dispersion, reduce noise, and it is simple in structure, easy to make.

The above; for the person of ordinary skill of the art; can make other various corresponding changes and distortion according to the technical solution of the utility model and technical conceive, and all these changes and distortion all should belong to the protection domain of the utility model claim.

Claims

1. radiation fan, it is characterized in that, comprise: a body and be located at position of splitter on this body, this body comprises drain pan and is suitable for producing the centrifugal fan of air-flow, this drain pan comprises that a bottom surface reaches from the upwardly extending side of bottom surface external side brim, this side is provided with exhaust outlet, the inboard, bottom surface is provided with continuous installing zone and flow area, centrifugal fan is located at installing zone, position of splitter is located at flow area, position of splitter one end is connected with the side, the other end extends to exhaust outlet along the centrifugal fan sense of rotation, make flow area form first flow region and second flow region, the position of splitter height is lower than the side height, and position of splitter makes air-flow be formed on first tributary that first flow region flows, and cross position of splitter in the second mobile tributary of second flow region.

2. radiation fan as claimed in claim 1 is characterized in that the section of described position of splitter is triangular shape.

3. radiation fan as claimed in claim 2 is characterized in that described position of splitter is provided with fillet away from the end of drain pan bottom surface.

4. radiation fan as claimed in claim 1 is characterized in that described centrifugal fan comprises the motor of being located on the drain pan, and be installed on flabellum on the motor, installing zone is provided with several first wind inlets on the drain pan, and it is around forming an assembly department, and motor is located on this assembly department.

5. radiation fan as claimed in claim 4 is characterized in that, comprises that also one is covered on the lid on the drain pan, and corresponding centrifugal fan position is provided with second wind inlet on this lid.

6. as claim 1 or 5 described radiation fans, it is characterized in that, also comprise radiating subassembly, it comprises that correspondence is located at several radiating fin of drain pan exhaust outlet position, and and the heat-conducting piece that couples of radiating fin heat.