CN2353947Y

CN2353947Y - Radiating fan

Info

Publication number: CN2353947Y
Application number: CN 98248903
Authority: CN
Inventors: 蔡柏彬
Original assignee: 李明烈
Priority date: 1998-11-05
Filing date: 1998-11-05
Publication date: 1999-12-15
Anticipated expiration: 2008-11-05

Abstract

The utility model relates to a radiating fan, mainly comprising a lower shell, a blade body and an upper shell. The radiating fan is characterized in that a containing chamber is arranged in the lower shell; the bottom of the containing chamber is provided with an air outlet; a fan seat is fixed in the containing chamber; the blade body is an axial flow fan to be pivoted on the fan seat; one end of the lower shell is provided with an air inlet; one side at the upper part of the containing chamber corresponding to the air inlet is provided with a baffle plate; one end of the upper shell is provided with an air inlet connected with the upper part of the lower shell; the radiating fan is formed. The baffle plate can destroy an air barrage which is generated when the blade body runs. The upper part of the blade body does not need to be reserved with a larger space, which can save space usage. Air pressure which is delivered from the air outlet is raised. A better heat radiation efficiency can be obtained.

Description

Radiation fan

The utility model relates to a kind of electric fan, and particularly a kind of radiation fan refers to a kind of host computer inside that is applicable to especially, can make the electronic heating element obtain the radiation fan of great heat radiation effect.

Progress along with science and technology, the computer execution speed is more and more fast, the temperature that is produced in the relative host computer also improves many, though generally be equiped with sink such as fan on electronic heating elements such as CPU, generally speaking the heat of inner space still can't effectively shed.

The axial-flow type radiator fan that is provided with housing commonly used, its flabellum body in the running, can produce whirlpool shape air-flow because flabellum body is peripheral, and then formation brattice, cause air-flow by isolated, can't flow smoothly, so the exhaust outlet place of fan can form windless condition, be head it off, must above flabellum body, reserve big space, make air be able to flow smoothly, still, big space is reserved in the flabellum body top, relative meeting increases the fan whole height, comparatively take the space of installing, be difficult to meet the compact requirement of modern product, and should also be difficult to obtain preferable radiating efficiency by radiation fan commonly used.

Main purpose of the present utility model is that a kind of radiation fan will be provided, include a lower shell body, one flabellum body and a upper shell constitute, be provided with a putting chamber in this lower shell body, one exhaust outlet is formed on this putting chamber bottom, the putting chamber internal fixation has a fan base, this flabellum body is that axial flow fan system is hubbed on this fan base, and place this putting chamber inside, this lower shell body one end is provided with intake grill, this putting chamber top is provided with a baffle plate with respect to a side of intake grill, this upper shell one end is provided with intake grill, and this upper shell is to be connected in the lower shell body top, uses and forms a radiation fan; By this, the brattice that baffle plate produces in the time of can destroying the flabellum body running, make the cool air of introducing by intake grill can pass flabellum body smoothly and arrive exhaust outlet, and send by exhaust outlet, so the space of Shanghai Communications University need not reserved in the flabellum body top, the fan whole height is significantly reduced, take up room with saving, and when baffle plate destroys brattice, the air blast of being sent by exhaust outlet is improved, so that obtain preferable radiating efficiency.

The purpose of this utility model is achieved in that

A kind of radiation fan mainly includes a lower casing, a flabellum body and a upper shell, it is characterized in that:

One lower shell body is provided with a putting chamber in it, this putting chamber has an exhaust outlet, and the putting chamber internal fixation has a fan base, and this lower shell body one end is provided with intake grill, and this putting chamber top is provided with a baffle plate with respect to a side of intake grill;

One flabellum body, it is an axial flow fan, it is hubbed on the fan base of this lower shell body, and places this putting chamber inside;

One upper shell, the one end is provided with intake grill, and this upper shell is to be connected in the lower shell body top.

Putting chamber is to protrude from the lower shell body bottom.

Fan base is to be fixed in putting chamber inside with several stent support.

The intake grill clear width of lower shell body and upper shell is provided with several wind deflectors.

Baffle plate is curved.

Baffle plate can be fixed on lower shell body or the upper shell.

The utility model compact structure has overcome the shortcoming of radiation fan commonly used, and the fan whole height is significantly reduced, and takes up room with saving, has improved the air blast that exhaust outlet is sent simultaneously, so that obtain preferable radiating efficiency.

Further specify the technical solution of the utility model and embodiment below in conjunction with accompanying drawing.

Description of drawings:

Fig. 1 is the utility model first embodiment's a three-dimensional combination figure;

Fig. 2 is the utility model first embodiment's a three-dimensional exploded view;

Fig. 3 is the utility model first embodiment's a side view;

Fig. 4 is the A-A sectional view of Fig. 3;

Fig. 5 is the utility model first embodiment's a user mode schematic representation;

Fig. 6 is the utility model second embodiment's a three-dimensional combination figure;

Fig. 7 is the utility model second embodiment's a three-dimensional exploded view.

As shown in Figures 1 to 4, the utility model provides a kind of radiation fan, it includes a lower shell body 10, a flabellum body 20 and a upper shell 30 and constitutes, lower shell body 10 wherein is to be a flat hollow shape housing, its top is opening-like, is provided with the putting chamber 11 of a circle in this lower shell body 10, and this putting chamber 11 is to protrude from lower shell body 10 bottoms, putting chamber 11 bottoms are opening-like, to form an exhaust outlet 12.Putting chamber 11 inner bottom part central positions are provided with a fan base 13, and this fan base 13 is in putting chamber 11 inside with several support 14 support fixation.Lower shell body 10 1 ends are provided with several intake grills 15, and be provided with several wind deflectors 16 in these intake grill 15 clear widths, putting chamber 11 tops of lower shell body 10 are provided with a curved baffle plate 17 with respect to a side of intake grill 15, this baffle plate 17 is after flabellum body 20 is assembled in lower shell body 10, mode such as locks regularly on the lower shell body 10 with bonding, engaging or screw again.

Flabellum body 20 is to be a kind of axial flow fan, and it is hubbed on the fan base 13 of lower shell body 10, and this flabellum body 20 places putting chamber 11 inside, but suitable circuit (figure slightly) controlling and driving of flabellum body 20 mats is done a running.

Upper shell 30 is to be roughly corresponding with lower shell body 10 a profiles flat hollow shape housing, its bottom is opening-like, these upper shell 30 1 ends are provided with several intake grills 31, this intake grill 31 is corresponding with the intake grill 15 of lower shell body 10, and be provided with several wind deflectors 32 in these intake grill 31 clear widths, modes such as this upper shell 30 can be bonding, engaging or screw lock are connected in lower shell body 10 tops, make upper shell 30 and lower shell body 10 form the close hollow casing of envelopes; By above-mentioned to form a radiation fan.

The utility model can be installed in host computer inside, and the

intake grill

15 and 31 that makes lower shell body 10 and upper shell 30 is corresponding to slotted eye default on the housing of host computer (figure slightly), so that

intake grill

15 and 31 can with the host computer exterior, so that introduce outside cool air, 12 of exhaust outlets are positioned at electronic heating element top, therefore the flabellum body 20 when this radiation fan is turned round by electric drive, can introduce cool air via the

intake grill

15 and 31 of lower shell body 10 and upper shell 30, and cool air is sent by the exhaust outlet 12 of lower shell body 10, the electronic heating element that is opposite to exhaust outlet 12 belows dispels the heat, because flabellum body 20 is to pump outside cool air in order to the cool electronic heater element, can make the electronic heating element reach the quick heat radiating effect.

The utility model mainly is to be provided with a baffle plate 17 in radiation fan inside, the formed brattice of whirlpool shape air-flow that this baffle plate 17 produces in the time of can destroying flabellum body 20 runnings, make by

intake grill

15 and 31 cool airs of introducing and to pass flabellum body 20 smoothly and arrive exhaust outlet 12, and send cool air by exhaust outlet 12, the exhaust outlet 12 that can effectively prevent fan forms windless condition, therefore bigger space need not reserved in flabellum body 20 tops, the fan whole height is significantly reduced, with effective saving occupation space, help to reach the compact requirement of modern product.Moreover the utility model can make the air blast of being sent by exhaust outlet 12 improve, so that obtain preferable radiating efficiency when utilizing baffle plate 17 to destroy brattice.

In addition, as Fig. 6, shown in Figure 7, the utility model also can have this baffle plate 33 that destroys the brattice effect and be fixed on the upper shell 30, this baffle plate 33 is to be directly fixed on the upper shell 30 in one-body molded mode, and need not consider the assembling of flabellum body 20, when this baffle plate 33 is fixed in upper shell 30, need to reserve suitable space in baffle plate 33 and upper shell 30 top inner wall.

In sum, the utility model is real in improving radiation fan commonly used, and it is highly higher, take the installing space, and the rare novel creation product of problem such as radiating efficiency is not good, have novelty and advance, meet novel patent application important document fully, so file an application in accordance with the law.

Only the above only is preferred embodiment of the present utility model, and non-so promptly inflexible limit scope of the present utility model so the equivalent structure that uses the utility model specification and graphic content to do such as changes, all in like manner all is contained in the utility model scope.

Claims

1, a kind of radiation fan mainly includes a lower casing, a flabellum body and a upper shell, it is characterized in that:

2, radiation fan as claimed in claim 1 is characterized in that: putting chamber is to protrude from the lower shell body bottom.

3, radiation fan as claimed in claim 1 is characterized in that: fan base is to be fixed in putting chamber inside with several stent support.

4, radiation fan as claimed in claim 1 is characterized in that: the intake grill clear width of lower shell body and upper shell is provided with several wind deflectors.

5, radiation fan as claimed in claim 1 is characterized in that: baffle plate is curved.

6, radiation fan as claimed in claim 1 is characterized in that: baffle plate can be fixed on lower shell body or the upper shell.