CN2490629Y

CN2490629Y - Current fan

Info

Publication number: CN2490629Y
Application number: CN 01218732
Authority: CN
Inventors: 汤秉辉; 陈兴璞; 覃向荣
Original assignee: Individual
Current assignee: Individual
Priority date: 2001-04-03
Filing date: 2001-04-03
Publication date: 2002-05-08
Anticipated expiration: 2011-04-03

Abstract

The utility model relates to a side current type fan comprising a housing base and a longitudinal spindle, wherein the housing base is provided with a dividing part which divides the inner space of the housing base into a first space and a second space, and one or more than one internal flow passage is/are arranged between the first space and the second space; the longitudinal spindle is extended transversely to form a plurality of exhaust blades. When the longitudinal spindle rotates, the air enters the first space from the outside, and then enters the second space through the internal flow passage, and finally is discharged by a plurality of exhaust blades in a side flow through an air outlet. With the unique design of double space and side flow, the utility model is adapted to narrow spaces, in particular to notebook computers or dielectric cards. The utility model has large static pressure and high flow, flexibly adjustable number of the layer of space as well as number and positions of the air outlet.

Description

The lateral flow type fan

One, technical field

The utility model relates to a kind of fan, particularly a kind of fan that adopts unique double space effluent design, and applicable to narrow space, and the lateral flow type fan that static pressure is big, flow is high.

Two, background technology

As shown in Figure 1, the radiator fan 90 for traditional use for electronic products belongs to the typical shaft streaming, and its structure comprises a shell block 91, and shell block 91 end faces are provided with an air intake opening 911 bottom surfaces and are provided with an exhausr port 912, and a rotating axial--flow blading 92 therebetween is pivoted.Installing mode about reality, central processing unit 93 (supposing that thickness is 0.5 centimeter) as if the PC of placing with mean level is an example, its upper surface fastens a radiating fin 94 (supposing highly to be 1.5 centimeters) earlier, fix a vertical radiator fan 90 (supposing that thickness is 1.0 centimeters) that blows down again, so gross thickness reaches 2.5 centimeters.Yet must there be enough breathing space H air intake opening 911 tops of radiator fan 90 for sucking air, for existing desktop computer, because the space is enough big, there is no too big problem.

Yet as shown in Figure 2, the size of notebook computer 80 is compact day by day now, supposes that its thickness is 3 centimeters, only surplus 2.4 centimeters of each 0.3 centimeter of deduction top board and base plates, actual available height.Because insufficient space, its central processing unit 81 tops have to connect a heat-conducting block 82 and a heat pipe 83 earlier, are connected to a radiating fin 84 that is positioned at the corner again, and establish a fan 85 above this radiating fin 84.Because the inner space has only 2.4 centimeters high, 1.0 centimeters in deduction fan, can not load 1.5 centimeters high radiating fins 84 at all by only remaining 1.4 centimeters.Even if the height of radiating fin 84 is reduced to 1 centimeter by 1.5 centimeters, that also only remains 0.4 centimeter breathing space, not only intake efficiency variation, available maximum flow reduce, radiating fin 84 highly also limited (heat passes effect and reduces), and air intake opening that the position is set is also very difficult.If air intake opening is located at end face, then to avoid keyboard position, if be located at the side, the crooked non-rectilinear of circulation path then, gettering efficiency is poor, can loss in the middle of adding when conducting heat through heat pipe 83, so, the heat radiation deficiency, and then cause the overheated serious problems of central processing unit.

As shown in Figure 3, another kind of enforcement situation is the heat radiation that is applied in the wafer 95 on the interface card, some wafer 95 (as the graphics process wafer) in recent years also needs the cooling of radiating fin and fan, yet, interval S between general interface card slot 96 (no matter being PCI or ISA slot) is very little, less than 2 centimeters, unless sacrifice some interface card slots 96 need not, otherwise definitely be difficult to hold radiating fin, fan and basic getter device.

Therefore, the utmost point is waited to develop new product and is applied in the predicament that narrow space and wafer wasted work rate increase day by day to solve above-mentioned conventional axial flow fan.

Three, summary of the invention

Fundamental purpose of the present utility model is, a kind of lateral flow type fan is provided, and adopts unique double space effluent design, makes the utility model applicable to narrow space, particularly can be used for the wafer on the narrow notebook computer in inner space or Jie's sheet card.

Of the present utility model time a purpose is, a kind of lateral flow type fan is provided, and adopts the unique design of double space effluent and single exhausting blade or composite blading, and static pressure is big, flow is high.

Another purpose of the present utility model is, a kind of lateral flow type fan is provided, and adopts unique double space effluent design, but all elasticity modifications of the position of the space number of plies and inlet and outlet mouth and quantity.

The purpose of this utility model is realized by following technical scheme.

A kind of lateral flow type fan is characterized in that, comprises a shell block, a vertical axle; Described shell block has an inner space, be provided with a separating part in the shell block, this inner space is divided into one first space and one second space, this first space is communicated with one at least for the lateral flow type air intake opening that sucks air, this second space is communicated with an exhausr port for the lateral flow type of discharging air at least, is provided with one or several internal flow channels between this first space and second space; Described vertical axle be positioned at approximately this inner space the center or near, and approximately perpendicular to this separating part, this vertical axle is to laterally extend several exhausting blades, it is arranged in this second space.

The purpose of this utility model can also further realize by following technical measures.

Aforesaid lateral flow type fan, wherein the vertical air inlet blade that laterally extends of the air inlet section of axle is arranged in this first space.

Aforesaid lateral flow type fan, wherein vertically axle contains an air inlet section and an exhaust section, and these several air inlet blades are to be fixed in this air inlet section; This separating part is fixed in this shell block, and these several exhausting blades are fixed in this exhaust section.

Aforesaid lateral flow type fan, wherein several air inlet blades, separating part and several exhausting blades are the moulding one, and are fixed in the predetermined position on this vertical axle.

Aforesaid lateral flow type fan, wherein several air inlet blades generally are the vortex shape arrangement of a first direction, and several exhausting blades are the vortex shape arrangements that generally are a second direction, just arrange opposite with the vortex shape of this first direction.

Aforesaid lateral flow type fan, wherein shell block comprises one the 3rd space again, is sandwiched between this first space and second space; This vertical axle has one the 3rd section again, laterally extends several the 3rd blades on it; This partitioned portion is two up and down, still is provided with an internal flow channel on it, to be communicated with this first space and second space.

The utility model adopts the unique design of double space effluent and single exhausting blade or composite blading, applicable to narrow space, particularly can be used for the wafer on the narrow notebook computer in inner space or Jie's sheet card, and static pressure is big, flow is high, but all elasticity modifications of the position of its space number of plies and inlet and outlet mouth and quantity.

For further understanding technology contents of the present utility model, characteristics and effect, exemplify following preferred embodiment now, and conjunction with figs. is described in detail as follows:

Four, description of drawings

Fig. 1 is a synoptic diagram of commonly using tubeaxial fan.

Fig. 2 is a synoptic diagram of commonly using the fan of notebook computer.

Fig. 3 is a synoptic diagram of commonly using the interface card.

Fig. 4 is the exploded perspective synoptic diagram of the utility model first embodiment.

Fig. 5 is the assembled sectional view of the utility model first embodiment.

Fig. 6 is the exploded perspective synoptic diagram of the utility model second embodiment.

Fig. 7 is the combination cross-sectional schematic of the utility model second embodiment.

Fig. 8 is the assembled sectional view of the utility model the 3rd embodiment.

Fig. 9 is the assembled sectional view of the utility model the 4th embodiment.

Figure 10 is another exploded perspective synoptic diagram of the present utility model.

Figure 11 is the design diagram one of the utility model blade.

Figure 12 is the design diagram two of the utility model blade.

Five, has embodiment

The utility model can adopt several embodiment, and first embodiment is " air inlet blade, exhausting blade and separating part are separated "; Second embodiment is " air inlet blade, exhausting blade and separating part are integrated "; And the 3rd embodiment is " having only exhausting blade "; The 4th embodiment is " three sheaf spaces ".

At first in detail, first embodiment is described in detail now, consults Fig. 4 and Fig. 5, it comprises:

One shell block 10, have separable or integrated 101 1 bottoms 102, a top and a periphery 103,, be provided with a separating part 30 in this shell block 10 to form an inner space, this inner space is divided into one first space 11 and one second space 12, similar upper and lower two sheaf spaces.This first space 11 is communicated with the air intake opening 111 of a lateral flow type at least to suck air, and this second space 12 is communicated with the exhausr port 121 of a lateral flow type at least with the discharge air, and is provided with one or several internal flow channels 13 between this first space 11 and second space 12.

One vertical axle 20, comprise an air inlet section 21 and an exhaust section 22, it approximately is positioned at the center (or slightly eccentric part) of this inner space, and approximately vertical (or omiting deflection) is in this separating part 30, the air inlet section 21 of this vertical axle 20 laterally extends several air inlet blades 211, and the exhaust section 22 of this vertical axle 20 laterally extends several exhausting blades 221, these several exhausting blades 221 are that the position of air by approaching this vertical axle 20 moved to than the position (similar centrifugal throwing away) away from this vertical axle 20, are discharged by the exhausr port 121 of this lateral flow type again.

One fan motor assembly 40, but the magnetic element that comprises turn and the stator module that is fixed in this shell block 10 etc.

It should be noted that in first embodiment this air inlet blade 211, exhausting blade 221 are separated with separating part 30, and this separating part 30 is to be fixed on this shell block 10, can not rotate, again, this internal flow channel 13 is provided in a side of 20 of this separating part 30 and this vertical axles.

Whereby, when this vertical axle 20 was rotated, air entered this first space 11 by the external world earlier, several air inlet blades 211 of flowing through, then through entering this second space 12 behind this internal flow channel 13, again by several exhausting blades 221, after this exhausr port 121 and effluent is discharged.

See also Fig. 6 and Fig. 7, this is second embodiment of the present utility model, is that with the difference of first embodiment this air inlet blade 211, exhausting blade 221 are formed in one with separating part 30, and all the other structures are all identical, and this does not give unnecessary details in addition again.

It should be noted that in a second embodiment these several air inlet blades 211, separating part 30 and several exhausting blades 221 are one-body molded, and be fixed in the predetermined position on this vertical axle 20.In addition, this internal flow channel 13 is provided in a side of the appropriate location on the separating part 30.

About the 3rd embodiment, see also Fig. 8, wherein, air inlet blade 211 that just will this vertical axle 20 takes down.Because airflow is approximately identical with the direction of centrifugal force through the direction of exhausting blade 221, so the pressurized effect of this part is splendid.Review air inlet blade 211 parts, hinder because approach axis, can meet with part centrifugal force for flowing to the center of circle when mobile, effect is poorer than exhausting blade 221.Therefore, if these air inlet blade 211 parts are omitted and remaining exhausting blade 221, still can reach the mobile effect of forcing of certain degree.In brief, the 3rd embodiment promptly is the embodiment that air inlet blade 211 is removed.

At last, as shown in Figure 9, this is the 4th embodiment of the present utility model, wherein:

This shell block 10 comprises one the 3rd space 50 again, is sandwiched between this first space 11 and this second space 12;

This vertical axle 20 has one the 3rd section 23 again, laterally extends several the 3rd blades 231 on it, in order to supercharging once more, strengthens the effect of air-breathing and exhaust.

This separating part 30A, 30B are divided into two up and down, still have an internal flow channel 13 on it, to be communicated with this first space 11 and second space 12.

Certainly, this design of three layers not necessarily will be pressed from both sides a middle supercharging layer, and also can be changed into two-layer air inlet and add one deck exhaust, or one deck air inlet adds two-layer exhaust, as for being designed to four or five layers of change that only belongs to simple quantity, also be technology contents of the present utility model.

In addition, exhausr port 121 is lateral flow type, but position and quantity are regardless of.And air intake opening 111 at least one be lateral flow type, its position and quantity also are regardless of, and the position is good away from exhausr port 121, with the hot gas of avoiding the discharging suction that refluxes again.Certainly, if a face is set up the auxilairy air intake (not shown) of axial flow direction again, also belong to technology contents of the present utility model.Figure 10 shows that air intake opening 111 has two, and adjacent one another are.

Moreover as Figure 11 and shown in Figure 12, several air inlet blades 211 are that the vortex shape that generally is a first direction is arranged, and several exhausting blades 221 are the vortex shape arrangements that generally are a second direction, just arrange opposite with the vortex shape of this first direction.Figure 11 shows no water conservancy diversion rib 25 between each blade, and Figure 12 shows have a water conservancy diversion rib 25 to link between each blade, to increase the smooth degree of water conservancy diversion, improves fan efficiency.

In sum, effect of the present utility model and advantage can reduce:

[1] is applicable to narrow space.The double space effluent design of the utility model uniqueness can be used for the wafer on the narrow notebook computer in inner space or Jie's sheet card, predicament and shortcoming when the solution conventional axial-flow fan is applied to narrow space.

[2] static pressure is big, flow is high.Because the utility model adopts lateral flow type, comprises several exhausting blades at least, more can arrange in pairs or groups several air inlet blades again and become a composite fan, static pressure is big, flow is high, that is, excellent in heat dissipation effect.

[3] but the position of the space number of plies and inlet and outlet mouth and quantity all elasticity revise.The utility model can design the position and the quantity of intake and exhaust layer, porting according to actual demand, to reach best cooling benefit.

Certainly, the separating part 30 between first space 11 of the present utility model and second space 12 also can be the inclined-plane of a slightly inclined, to increase air intake opening area and exhausr port leaving area, improves flow.

The above, it only is preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, every foundation technical spirit of the present utility model all still belongs in the scope of technical solutions of the utility model any simple modification, equivalent variations and modification that above embodiment did.

Claims

1, a kind of lateral flow type fan is characterized in that, comprises a shell block, a vertical axle;

Described shell block has an inner space, be provided with a separating part in the shell block, this inner space is divided into one first space and one second space, this first space is communicated with one at least for the lateral flow type air intake opening that sucks air, this second space is communicated with an exhausr port for the lateral flow type of discharging air at least, is provided with one or several internal flow channels between this first space and second space;

Described vertical axle be positioned at approximately this inner space the center or near, and approximately perpendicular to this separating part, this vertical axle is to laterally extend several exhausting blades, it is arranged in this second space.

2, lateral flow type fan according to claim 1 is characterized in that, the air inlet blade that the air inlet section of described vertical axle laterally extends is arranged in this first space.

3, lateral flow type fan according to claim 2 is characterized in that, described vertical axle contains an air inlet section and an exhaust section, and these several air inlet blades are to be fixed in this air inlet section; This separating part is fixed in this shell block, and these several exhausting blades are fixed in this exhaust section.

4, lateral flow type fan according to claim 2 is characterized in that, described several air inlet blades, separating part and several exhausting blades are the moulding one, and is fixed in the predetermined position on this vertical axle.

5, lateral flow type fan according to claim 2, it is characterized in that, described several air inlet blades generally are the vortex shape of a first direction to be arranged, and several exhausting blades are the vortex shape arrangements that generally are a second direction, just arrange opposite with the vortex shape of this first direction.

6, lateral flow type fan according to claim 1 is characterized in that, described shell block comprises one the 3rd space again, is sandwiched between this first space and second space; This vertical axle has one the 3rd section again, laterally extends several the 3rd blades on it; This partitioned portion is two up and down, still is provided with an internal flow channel on it, to be communicated with this first space and second space.