CN101625583B

CN101625583B - Wind scooper

Info

Publication number: CN101625583B
Application number: CN2008101335505A
Authority: CN
Inventors: 王祯和
Original assignee: Inventec Corp
Current assignee: Inventec Corp
Priority date: 2008-07-11
Filing date: 2008-07-11
Publication date: 2011-06-15
Anticipated expiration: 2028-07-11
Also published as: CN101625583A

Abstract

The invention discloses a wind scooper, which is arranged on a fan. The wind scooper comprises a rotating ring and a plurality of blades, wherein the rotating ring is pivoted to the fan and is provided with an opening through which airflow generated by the fan can pass; the rotating ring is provided with a heavy hammer part, so that the center of gravity of the rotating ring is shifted and normally maintains in a static equilibrium position; and the blades are pivoted to the rotating ring and are arranged on the opening. When the fan rotates, the blades are driven by the airflow and are lifted to open the opening, and when the fan stops rotating, the blades cover the opening under the action of gravity.

Description

Wind scooper

Technical field

The present invention is relevant with the radiator fan of electronic installation, particularly relates to a kind of wind scooper that can close automatically when radiator fan does not operate.

Background technology

Under the continuous trend that promotes of the processing speed of computer equipment, following one by one is the heat dissipation problem that its internal electron spare part is produced under long-time running, and this point directly has influence on the performance and the stability of computer equipment.Therefore, how the used heat that the electronics spare part is produced is promptly discharged and is promoted radiating efficiency, has become the industry most thorny issue in recent years.The radiating mode of general normal use, nothing more than being the radiating module that installs compositions such as radiating fin group, heat pipe and fan at the electronics spare part that desire strengthens dispelling the heat additional, utilize the system fan of main frame that used heat is discharged outside the host machine casing again, to reduce the main frame temperature inside.

With regard to industrial computer and server, because its main frame inside is provided with numerous electronics spare parts, and the arrangement of electronics spare part is all quite tight, so the also general computer equipment height of demand to dispelling the heat.In addition, because the arrangement of electronics spare part is all quite tight, make the resistance to flow of main frame internal gas flow also very big.Therefore, the inner set number of fans of the main frame of industrial computer or server is also many than general computer equipment, and in order to increase the flow of radiating airflow, to overcome resistance to flow, existing configuration mode is that a plurality of fans are set up in parallel, for example earlier fan is fixed on the framework abreast, utilizes framework that a plurality of fans are fixed on the host machine casing together again.

Yet under the situation that fan is arranged side by side, as long as there is a fan to shut down because of damage or fault, because the relation of pressure differential, air-flow will be subjected to refluxing from the space of the fan that shuts down.That is to say that air can pass through the fan that shuts down from the air side and flow back to the inlet air side, makes the flow field become unstable, and then influences the flow velocity and the flow of air-flow.When air communication is crossed the flow velocity of electronics spare part and flow and is descended, will certainly have influence on the radiating efficiency of electronics spare part, the used heat that causes the running of electronics spare part to be produced can't be got rid of smoothly and hoard in computer host machine casing inside, time increase along with the computer booting running, the casing internal temperature is also because of the bad continuous rising of convection current, and then usefulness that influences computer equipment and stability, even Yin Gaowen causes overheated and damages.

In order to concentrate the disturbed problem of air velocity distribution of arranged type fan in the settlement server, industry is existing will to install the design of venetian blind type blade additional on fan or the fan board.This kind venetian blind type blade can cover when fan failure and prevent that the flow field is disturbed.But existing blade of louver window must be opened or close in the manpower mode, and is also inconvenient in the use.In addition, some venetian blind type blade can be raised by air-flow when fan running, and is subjected to gravity and shuts when fan stops.Yet, because fan is to be fixed on the abstracting rack of server, and abstracting rack may traverse or directly is put in server, the venetian blind type blade is certainly shut when fan stops smoothly during the abstracting rack traverse, but can cause the venetian blind type blade to close smoothly when but abstracting rack is directly put, and then influence radiating efficiency.

Summary of the invention

The fan of industrial computer or server inside is provided with in side by side mode in the prior art, as long as there are some fan fails will make airflow reflux, and allows radiating efficiency descend.In view of this, the invention provides a kind of wind scooper, be applied on the fan side by side, to cover in the inlet and outlet of fan when the fan fails automatically, to prevent airflow reflux.

To achieve these goals, the invention provides a kind of wind scooper, be installed on the fan.Fan is essentially the heat transmission fan of industrial computer or server host inside, running and produce an air-flow.Wind scooper includes a swivel eye and a plurality of blade, and swivel eye is arranged on the fan rotationally, and swivel eye has the opening that an air feed stream passes through.Swivel eye is provided with a heavy hammer part, so that the centre-of gravity shift of swivel eye and normality remain in an equipoise.Heavy hammer part gravitate and make swivel eye swing, and make heavy hammer part remain in the swivel eye bottom, a plurality of blade pivots are located at the swivel eye outer rim and are arranged in opening part.When fan running, the air-flow that blade is produced by fan drives and towards the swing of air current flow direction, passes through with the opening air feed stream of opening swivel eye; When fan shuts down, the influence of blade gravitate and hanging down naturally to hide the opening of swivel eye, prevents airflow reflux.

Described wind scooper wherein, also includes a fixed cap, is fixed in this fan, and this swivel eye is hubbed at this fixed cap, and is assembled in this fan by this fixed cap.

Described wind scooper, wherein, this swivel eye has a protruding axle, and this fixed cap has a bearing, and this protruding axle is inserted in this bearing, so that this swivel eye is hubbed at this fixed cap.

Described wind scooper wherein, also includes a plurality of bolts, and this fan is provided with a plurality of screws, and this fixed cap is provided with a plurality of to perforation that should screw, and this bolt passes this perforation and screws in this corresponding screw, so that this fixed cover spiro is fixed in this fan.

Described wind scooper, wherein, this fan has a bearing, and this swivel eye has a protruding axle, and this protruding axle is inserted in this bearing, and this swivel eye rotates with respect to this fan with this protruding axle.

Described wind scooper, wherein, this fan has an action groove, this swivel eye is inserted this action groove, the inner edge diameter dimension of this action groove is matched with the external profile diameter size of this swivel eye, and the inner edge of this action groove contacts with the outer rim of this swivel eye, rotates with respect to this fan in this action groove to make this swivel eye.

Described wind scooper, wherein, this swivel eye outer rim has many to the pivot hole, and respectively this blade has a rotating shaft, and these rotating shaft two ends are inserted in each respectively to this pivot hole, and this blade is swung with respect to this swivel eye with this rotating shaft.

Effect of the present invention is, swivel eye remains in the equipoise because of the heavy hammer part normality, make the blade normality keep horizontal level, blade will be because of the downward pendulum and cover in the opening of swivel eye of gravity effect when fan shuts down, to prevent that air-flow from producing airflow reflux in fan fails or when decommissioning, and effectively avoids the reduction of radiating efficiency.

Describe the present invention below in conjunction with the drawings and specific embodiments, but not as a limitation of the invention.

Description of drawings

Fig. 1 is the three-dimensional exploded view of the wind scooper of first embodiment of the invention;

Fig. 2 is the wind scooper of first embodiment of the invention and the three-dimensional exploded view of fan;

Fig. 3 is assembled in the schematic perspective view of fan for first embodiment of the invention, and wherein the fan running is raised blade;

Fig. 4 is assembled in the schematic perspective view of fan for first embodiment of the invention, and wherein fan decommissions and makes on the bucket cover;

Fig. 5 is the wind scooper of first embodiment of the invention and the floor map that fan is assembled in abstracting rack, and wherein abstracting rack is installed on server in upright mode;

Fig. 6 is the local enlarged diagram of Fig. 5;

Fig. 7 is the wind scooper of first embodiment of the invention and the floor map that fan is assembled in abstracting rack, and wherein abstracting rack is installed on server in the accumbency mode;

Fig. 8 is the local enlarged diagram of Fig. 7;

Fig. 9 is the wind scooper of second embodiment of the invention and the three-dimensional exploded view of fan;

Figure 10 is the wind scooper of third embodiment of the invention and the three-dimensional exploded view of fan.

Wherein, Reference numeral:

10 fans

11 screws

12 bearings

13 action grooves

20 fixed caps

21 openings

22 bearings

23 perforation

24 bolts

30 swivel eyes

31 openings

32 protruding axles

33 pivot holes

34 heavy hammer part

36 blades

361 rotating shafts

50 abstracting racks

Embodiment

Below in conjunction with the drawings and specific embodiments technical scheme of the present invention is made further more detailed description.

For making purpose of the present invention, structure, feature and function thereof there are further understanding, cooperate embodiment to be described in detail as follows now.The best applications scope of wind scooper of the present invention is the heat transmission fan of industrial computer or server host inside, but also can be applied to not exceed with embodiment provided by the present invention on the radiator fan of personal computer or other electronic installation.

See also Fig. 1 to shown in Figure 4, be the synoptic diagram of first embodiment of wind scooper of the present invention.The wind scooper that first embodiment of the invention provided is installed on the fan 10, and fan 10 operates after power supply and produces an air-flow, and fan 10 is provided with a plurality of screws 11.The wind scooper of present embodiment includes a fixed cap 20, a swivel eye 30, a plurality of blade 36 and a plurality of bolt 24.

See also Fig. 2 and Fig. 3, fixed cap 20 is fixed in a side of fan 10 in the solid mode of spiral shell, can be that the air side can be the inlet air side also, and be that example describes to be fixed in the inlet air side only in the present embodiment.Fixed cap 20 is provided with an opening 21, a bearing 22 and a plurality of perforation 23, and its centre bearer 22 roughly is located at the central authorities of opening 21, and is connected in the edge of opening 21 and bearing 22 is maintained at opening 21 central authorities with rib.Each 23 screw 11 that correspond respectively to fan 10 of boring a hole, bolt 24 passes perforation 23 and screws in corresponding screw 11, so that fixed cap 20 is fixed at fan 10.

See also Fig. 1 to shown in Figure 4, swivel eye 30 has an opening 31, one protruding axle 32, many to a pivot hole 33 and a heavy hammer part 34.Protruding axle 32 roughly is located at the central authorities of opening 31, and is connected in the edge of opening 31 with the fixing rib of usefulness.Protruding axle 32 is inserted in the bearing 22 of fixed cap 20, so that swivel eye 30 is hubbed at fixed cap 20, and is assembled on the fan 10 rotationally by fixed cap 20, and the opening 31 of swivel eye 30 is corresponding to the opening 21 of fixed cap 20, for the air communication mistake of fan 10.Protruding axle 32 is overlapping with the turning axle of fan 10, makes swivel eye 30 to rotate by the turning axle of protruding axle 32 at fixed cap 20 upper edge flabellums.Pivot hole 33 is arranged at swivel eye 30 outer rims, and along the two ends of heavy hammer part 34 and protruding axle 32 in couples in correspondence with each other.

Heavy hammer part 34 is the position of weight phase counterweight on the swivel eye 30, makes the center of gravity of whole swivel eye 30 be offset to outer rim by the protruding axle 32 of central authorities.In fact, heavy hammer part 34 can adopt the higher material of proportion, metal for example, and the lower material of proportion then can be adopted in swivel eye 30 all the other positions, and plastics for example allow the purpose of center of gravity towards heavy hammer part 34 skews to reach.By the setting of heavy hammer part 34, swivel eye 30 normality on fixed cap 20 remains in an equipoise.That is to say that when fan 10 was put with the turning axle vertical gravity direction of its flabellum, swivel eye 30 was understood gravitates and rotated towards above-mentioned equipoise.When swivel eye 30 stops operating and do not have under the external force effect, heavy hammer part 34 will be positioned at the bottom of swivel eye 30.

See also Fig. 1 to shown in Figure 4.A plurality of blades 36 are hubbed at respectively on the swivel eye 30, and are arranged in the opening 31 of swivel eye 30.Each blade 36 has a rotating shaft 361, and its shaft 361 is arranged at the long side of blade 36.The direction of offering of swivel eye 30 upper pivot holes 33 is roughly parallel to heavy hammer part 34, and its long side surface is to heavy hammer part 34 when making blade 36 be installed on the swivel eye 30.The two ends of rotating shaft 361 are inserted on the swivel eye 30 each respectively to pivot hole 33, make blade 36 can utilize rotating shaft 361 with respect to swivel eye 30 swings.The shape of each blade 36 is all inequality, to piece together out the shape that can hide opening 31 fully.Heavy hammer part 34 is by under the effect of gravity, and the bottom that is continued to remain on swivel eye 30, and makes the long side maintenance level of blade 36.

As shown in Figures 3 and 4, fan 10 is put with the turning axle vertical gravity direction (representing with arrow and g in the diagram) of its flabellum, and normality remains in horizontality to blade 36 by the setting of heavy hammer part 34.When fan 10 runnings, the air-flow that blade 36 is produced by fan 10 drives and raises (as Fig. 3) towards the swing of air current flow direction, passes through with the opening 31 air feed streams of opening swivel eye 30; When fan 10 shuts down, air-flow will no longer blow, this moment blade 36 with gravitate and hang down naturally (as Fig. 4), to hide the opening 31 of swivel eye 30, prevent airflow reflux.

See also Fig. 5, Fig. 6, Fig. 7 and shown in Figure 8.The a plurality of fans 10 concentrated areas arrangement that is assembled with wind scooper of the present invention is arranged on the abstracting rack 50, and wherein abstracting rack 50 can be installed on the mainframe (not shown) of server.When abstracting rack 50 is installed on server in upright mode (as Fig. 5), the direction that is provided with of abstracting rack 50 is parallel to gravity direction (representing with arrow and g in the diagram); When abstracting rack 50 is installed on server in the accumbency mode (as Fig. 7), abstracting rack 50 direction is set perpendicular to gravity direction (representing with arrow and g in the diagram).In both cases, heavy hammer part 34 all can make the blade 36 of swivel eye 30 remain in horizontal level, therefore in case any one fan 10 hinders or other factors when shutting down for some reason, blade 36 hangs down gravitate naturally, and cover in the opening 31 of swivel eye 30 fully, produce at inefficacy fan 10 places with the air-flow of avoiding all the other fans 10 to be produced and reflux.

See also shown in Figure 9ly, be the synoptic diagram of second embodiment of wind scooper of the present invention, its primary structure is roughly identical with above-mentioned first embodiment, below only is illustrated with regard to the difference place of second embodiment and first embodiment.The wind scooper that second embodiment is provided is installed on the fan 10, and fan 10 has a bearing 12.The wind scooper of present embodiment includes a swivel eye 30 and multi-disc blade 36, and wherein swivel eye 30 has a protruding axle 32, and protruding axle 32 is inserted in the bearing 12 of fan 10, and swivel eye 30 rotates with respect to fan 10 as turning axle with protruding 32.In addition, see also the narration of above-mentioned first embodiment, repeat no more in this about all the other structures of wind scooper.So, in the present embodiment, heavy hammer part 34 can allow blade 36 remain in horizontal level equally, can hide the opening 31 of swivel eye 30 fully when fan 10 shuts down.

See also shown in Figure 10ly, be the synoptic diagram of the 3rd embodiment of wind scooper of the present invention, its primary structure is roughly identical with above-mentioned first embodiment, below only is illustrated with regard to the difference place of the 3rd embodiment and first embodiment.The wind scooper that the 3rd embodiment is provided is installed on the fan 10, and fan 10 has an action groove 13, and swivel eye 30 is inserted in the action groove 13.The inner edge diameter dimension of action groove 13 is matched with the external profile diameter size of swivel eye 30, and makes the inner edge of action groove 13 contact with the outer rim of swivel eye 30, and swivel eye 30 can rotate with respect to fan 10 in action groove 13.Certainly, can add that in practical application an enclosing cover prevents that swivel eye 30 from dropping out, and in action groove 13, be coated with lubricating fluid such as ointment, swivel eye 30 can be rotated smoothly.In addition, see also the narration of above-mentioned first embodiment, repeat no more in this about all the other structures of wind scooper.So, in the present embodiment, heavy hammer part 34 can allow blade 36 remain in horizontal level equally, can hide the opening 31 of swivel eye 30 fully when fan 10 shuts down.

Swivel eye of the present invention is provided with heavy hammer part, so that the blade normality remains in horizontal level, blade will be raised when fan running, cross the opening of swivel eye for air communication, when fan shuts down, blade is sagging and cover in the opening of swivel eye because of action of gravity, can prevent effectively that air-flow from producing backflow when fan fails, and can not influence radiating efficiency.

Certainly; the present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the present invention.

Claims

1. a wind scooper is installed on the fan, and this fan operates and produces an air-flow, and this wind scooper includes:

One swivel eye is arranged at this fan rotationally, and has an opening of crossing for this air communication, and this swivel eye is provided with a heavy hammer part, and when this swivel eye stops operating and do not have under the external force effect, this heavy hammer part can be positioned at the bottom of this swivel eye; And

A plurality of blades are hubbed at this swivel eye and are arranged in this opening, and wherein when this fan running, these blades are driven and raise by this air-flow, to open this opening; When this fan shuts down, these blade gravitates and hide this opening.

2. wind scooper according to claim 1 is characterized in that, also includes a fixed cap, is fixed in this fan, and this swivel eye is hubbed at this fixed cap, and is assembled in this fan by this fixed cap.

3. wind scooper according to claim 2 is characterized in that, this swivel eye has a protruding axle, and this fixed cap has a bearing, and this protruding axle is inserted in this bearing, so that this swivel eye is hubbed at this fixed cap.

4. wind scooper according to claim 2 is characterized in that, also includes a plurality of bolts, this fan is provided with a plurality of screws, this fixed cap is provided with a plurality of to perforation that should screw, and this bolt passes this perforation and screws in this corresponding screw, so that this fixed cover spiro is fixed in this fan.

5. wind scooper according to claim 1 is characterized in that this fan has a bearing, and this swivel eye has a protruding axle, and this protruding axle is inserted in this bearing, and this swivel eye rotates with respect to this fan with this protruding axle.

6. wind scooper according to claim 1, it is characterized in that, this fan has an action groove, this swivel eye is inserted this action groove, the inner edge diameter dimension of this action groove is matched with the external profile diameter size of this swivel eye, and the inner edge of this action groove contacts with the outer rim of this swivel eye, rotates with respect to this fan in this action groove to make this swivel eye.

7. wind scooper according to claim 1 is characterized in that, this swivel eye outer rim has many to the pivot hole, and respectively this blade has a rotating shaft, and these rotating shaft two ends are inserted in each respectively to this pivot hole, and this blade is swung with respect to this swivel eye with this rotating shaft.