CN200961593Y

CN200961593Y - Bidirectional current generation device

Info

Publication number: CN200961593Y
Application number: CN 200620137428
Authority: CN
Inventors: 黄江城
Original assignee: Risun Expanse Corp
Current assignee: Risun Expanse Corp
Priority date: 2006-10-12
Filing date: 2006-10-12
Publication date: 2007-10-17
Anticipated expiration: 2016-10-12

Abstract

The utility model discloses a bidirectional air current producing device, comprising a shell and a fan; wherein the shell has two radial air outlets with different air outlet directions and two radial air inlets, which makes the fan can suck the air current from the radial air inlets and blow out from the radial air outlets, thereby maintaining the air quantity, being able to separately eliminate the heat of the two heat sources, and advancing the whole heat elimination efficiency.

Description

The two-way airflow generation device

Technical field

The utility model relates to a kind of two-way airflow generation device, particularly relates to a kind of air flow-producing device that can dispel the heat at two thermals source.

Background technique

Known heat-dissipating fan structure, please refer to shown in Figure 1ly, it includes shell block 10a, cover plate 40a and impeller 50a, and shell block 10a is provided with radially exhaust outlet 11a, cover plate 40a is provided with axial wind inlet 41a, impeller 50a is rotating to be located in the shell block 10a, and when impeller 50a turned round, impeller 50a sucked axial flow by axial wind inlet 41a, and after axial flow turned to, by the output gas flow radially of exhaust outlet 11a radially, reaching convection current, and whereby the target radiating piece is dispelled the heat.

Have again, heat-dissipating fan sucks air-flow by axial direction and blows out from its radial direction, for example TaiWan, China patent announcement I220914 case and M264559 case, TaiWan, China patent disclosure No. 200540336 case, U. S. Patent are announced US6817832 case and US6881031 case etc., but in the above-mentioned known technology, heat-dissipating fan need reserve a space so that air-flow can enter heat-dissipating fan via axial wind inlet, flows out from exhaust outlet again.If heat-dissipating fan is when being mounted on body, the thickness of body is restricted, and the thickness of heat-dissipating fan also need reduce, and makes space to be preserved originally also reduce thereupon, thereby reduces the air inflow of heat-dissipating fan.

In addition, air-flow is entered by the axial direction of heat-dissipating fan, and blow out from the radial direction of heat-dissipating fan, this axially advances the route that directly goes out is vertical mutually, will cause some losses and reduce air quantity, have again, above-mentioned heat-dissipating fan only has a radially exhaust outlet, when dispelling the heat, maybe can reach the radiating effect of expection at single source, if in the time of need dispelling the heat at more than one thermal source, the air-flow that blows out from exhaust outlet radially has the problem of Directivity deficiency, and has only the thermal source near exhaust outlet can obtain more wind-force, and thermal source far away then can't obtain more wind-force from the air port, since air-flow can't be average blow to each thermal source, make that the suffered wind-force of each thermal source is inconsistent, so the suffered also significantly minimizing of unit air volume of each thermal source, make this heat-dissipating fan can't reach desired radiating effect.

No. 444897 case of TaiWan, China patent announcement (hereinafter to be referred as the 897th case) and for example, mention a kind of centrifugal fan, it does not offer axial wind inlet, but be provided with at least one radially wind inlet and at least one radially exhaust outlet, wherein radially wind inlet is positioned at the radially periphery of exhaust outlet, when wheel rotation, the air-flow around the circumferential casing portion is entered from wind inlet radially, and blow out by exhaust outlet radially.Though the 897th case is provided with two exhaust outlets, can dispel the heat at two thermals source, but since air-flow from wind inlet approaching side radially to casing portion, and when side direction casing portion flows to radially exhaust outlet, the mechanism that can strengthen blast not, make air-flow blow to thermal source by exhaust outlet radially, when carrying out the wind-force cooling, blast is powerful and cause radiating effect greatly to reduce.

Summary of the invention

The purpose of this utility model is to provide a kind of two-way airflow generation device, solving heat-dissipating fan in the above-mentioned known technology can't flattening and can cause air quantity to reduce, heat-dissipating fan only has an exhaust outlet simultaneously, when more than one thermal source is dispelled the heat, can't reach desired radiating effect, and the problems such as mechanism that do not strengthen blast.

To achieve these goals, the utility model provides a kind of two-way airflow generation device, it includes a housing and a fan, housing has a putting chamber, two ends corresponding to putting chamber are extended with one first exhaust outlet and one second exhaust outlet, putting chamber is formed with one first wind inlet and one second wind inlet with respect to two ends of first exhaust outlet and second exhaust outlet, putting chamber is communicated in first exhaust outlet, second exhaust outlet, first wind inlet and second wind inlet, and fan is located at putting chamber in rotating mode, and can produce air-flow to blow out from first exhaust outlet and the second exhaust outlet place.

According to two-way airflow generation device disclosed in the utility model, because air-flow is entered and is blown out by its radial direction by the radial direction of fan, make the headspace of housing to reduce, and can make flat structureization, the while air-flow no longer advances the vertical route that directly goes out with axle advances, and original air quantity is unlikely to cause damage and can keep.Have, air-flow turnover adopts the footpath to advance the mode that the footpath goes out, and can shorten the air-out lift, adds to have additional bump again, makes can distinguish air-out direction on the unitary construction, and avoids air-flow to remain in inside, reduces flow-disturbing and produces to reduce the load of fan.In addition, housing has the exhaust outlet of two different air-out directions, respectively two thermals source that are positioned at the diverse location place are dispelled the heat, situation about need dispel the heat to an above thermal source than an exhaust outlet is only arranged, the former air quantity that each thermal source received is more than the latter, because each thermal source can be subjected to sufficient wind-force, make whole heat dissipation promote.Simultaneously, need not to reduce the fabricating cost of heat-dissipating fan, and can keep the elasticity on the spatial configuration to each thermal source relative set heat-dissipating fan.In addition, the air-flow that enters from two wind inlets strengthens the mechanism of blast by the utility model, and air-flow can obtain supercharging, makes air-flow when blowing to thermal source, the thermal source cooling of lowering the temperature faster.Have again, the utlity model has advantage simple in structure, that number of parts is few, satisfy the demand of volume miniaturization easily.

Below in conjunction with the drawings and specific embodiments the utility model is described in detail, but not as to qualification of the present utility model.

Description of drawings

Fig. 1 is the schematic perspective view of known heat-dissipating fan structure;

Fig. 2 is the exploded view of the utility model first embodiment's two-way airflow generation device;

Fig. 3 is the constitutional diagram of the utility model first embodiment's two-way airflow generation device;

Fig. 4 is the top view of the utility model first embodiment's two-way airflow generation device;

Fig. 5 is the flow field figure of the utility model first embodiment's two-way airflow generation device;

Fig. 6 is the top view of the utility model second embodiment's two-way airflow generation device;

Fig. 7 is the top view of the utility model the 3rd embodiment's two-way airflow generation device.

Wherein, reference character:

The 10a shell block

11a is exhaust outlet radially

The 40a cover plate

The axial wind inlet of 41a

The 50a impeller

A, a ' first side

B, b ' second side

20 two-way airflow generation devices

21 housings

211 cover plates

212 pedestals

213 diapires

215 ring walls

216 putting chambers

217 tubular axis

218 bumps

22 fans

221 flabellums

223 motors

23 first exhaust outlets

24 second exhaust outlets

25 first wind inlets

26 second wind inlets

251,252,261,262 metopes

27 air-flow paths

272 compressing areas

274 discharge the district

28 guide plates

30 lock assembly

Embodiment

Please refer to Fig. 2 and Fig. 3, Fig. 2 is the exploded view of the utility model first embodiment's two-way airflow generation device, and Fig. 3 is the constitutional diagram of the utility model first embodiment's two-way airflow generation device.Two-way airflow generation device 20 includes housing 21 and fan 22, and wherein, housing 21 can be formed in one made, also can be to assemble, and at this, is its Application Example with housing 21 for assembling.Housing 21 includes cover plate 211 and pedestal 212, and cover plate 211 locks assembly 30 by several and is incorporated on the pedestal 212.The ring wall 215 that pedestal 212 includes diapire 213 and extends relatively from diapire 213 peripheries, diapire 213 and ring wall 215 one common peripheral set out putting chamber 216, are provided with tubular axis 217 at diapire 213, and tubular axis 217 protrudes from the wall of diapire 213.Have again, two ends corresponding to putting chamber 216 are extended with first exhaust outlet 23 and second exhaust outlet 24, and at this, the air-out direction of first exhaust outlet 23 and second exhaust outlet 24 is reverse each other, but not as limit, as long as its thermal source that can satisfy respectively the diverse location place dispels the heat.First exhaust outlet 23 has the first side a and the second side b, and second exhaust outlet 24 has the first side a ' and the second side b ', putting chamber 216 enters for air-flow with respect to two ends of first exhaust outlet 23 and second exhaust outlet 24 and be formed with first wind inlet 25 and second wind inlet 26 in ring wall 215.Putting chamber 216 respectively is provided with a bump 218 at second side b of first exhaust outlet 23 and the first side a ' of second exhaust outlet 24, and bump 218 is outstanding from the wall of ring wall 215, and is a convergent state.Putting chamber 216 is communicated in first exhaust outlet 23, second exhaust outlet 24, first wind inlet 25 and second wind inlet 26.Have again, first wind inlet 25 is near the first side a ' of second exhaust outlet 24, and second wind inlet 26 is close to the second side b of first exhaust outlet 23, like this, air-flow flows to first exhaust outlet 23 from first wind inlet 25, or flowing to second exhaust outlet 24 from second wind inlet 26 has long flow path, the preparation during as the enhancing blast.First wind inlet 25 and second wind inlet 26 can be geometrical shapies such as rectangle, circle, wedge shape and polygonal, at this, first wind inlet 25 and second wind inlet 26 are respectively several rectangular apertures, be a palisade outward appearance, but its opening shape and open amount are not as limit.

Fan 22 is located at tubular axis 217 in rotating mode, so that fan 22 can be contained in putting chamber 216, it includes several flabellums 221 and motor 223, and motor 223 drives flabellum 221 and rotates, and makes flabellum 221 produce blast, advances to drive air-flow.And the first side a of first exhaust outlet 23 is near the wind dispelling terminal of fan 22, its second side b approaches the wind dispelling origin or beginning of fan 22, have, the first side a ' of second exhaust outlet 24 approaches the wind dispelling origin or beginning of fan 22 again, and its second side b ' approaches the wind dispelling terminal of fan 22.In addition, fan 22 constitutes air-flow path 27 (as shown in Figure 4) with putting chamber 216, to offer flowing space of air-flow, air-flow path 27 nearly first wind inlets 25 and second wind inlet, 26 places are formed with compressing area 272 respectively, this compressing area 272 is that the first side a ' of the second side b of first exhaust outlet 23 and second exhaust outlet 24 is away from fan 22 parts, air-flow path 27 closes on first exhaust outlet 23 and second exhaust outlet, 24 places then are formed with release district 274 respectively, first side a that this release district 274 is first exhaust outlet 23 and the second side b ' of second exhaust outlet 24 are near fan 22 parts, so that the width of compressing area 272 is greater than the width that discharges district 274.

Please refer to Fig. 4 and Fig. 5, Fig. 4 is the top view of the utility model first embodiment's two-way airflow generation device, and Fig. 5 is the flow field figure of the utility model first embodiment's two-way airflow generation device.When the motor 223 of fan 22 rotates, the wind dispelling active force of flabellum 221 will form attraction force, and suck radial air flow by first wind inlet 25 and second wind inlet 26, and make the air-flow that enters from first wind inlet 25 be driven to first exhaust outlet 23 by flabellum 221, and the air-flow that second wind inlet 26 enters is driven to second exhaust outlet 24 by flabellum 221.In addition, bump 218 is located at ring wall 215, by contrast, make the air-out area of the win exhaust outlet 23 and second exhaust outlet 24 obviously big many, therefore the air-flow that enters from first wind inlet 25 can't be driven to second exhaust outlet 24 by flabellum 221, and also can be driven to first exhaust outlet 23 by flabellum 221 from the air-flow that second wind inlet 26 enters, blow out from first exhaust outlet 23 and second exhaust outlet 24 really to make air-flow.

Air-flow is when first wind inlet 25 and second wind inlet 26 enter air-flow path 27, can be earlier by compressing area 272, arrive release district 274 along with the driving of flabellum 221, because the width of compressing area 272 is greater than discharging district 274, so air-flow path 27 is a gradually-reducing shape in compressing area 272 to discharging between the district 274, therefore, air-flow can be compressed between compressing area 272 and release district 274, and obtain than big kinetic energy, therefore strengthening by discharging district's 274 its blast of back, and from first exhaust outlet 23, second exhaust outlet 24 blows out, and is positioned at the thermal source at first exhaust outlet 23 and second exhaust outlet, 24 places with cooling.

In the utility model first embodiment, because the metope 251,252,261,262 of first wind inlet 25 and second wind inlet 26 is perpendicular to air-flow path 27, when flabellum 221 rotates with the suction radial air flow, the smoothness of air inlet probably has deficiency, therefore the utility model provides second embodiment and the 3rd embodiment again, the smoothness during with the lifting air inlet.In the following description, the assembly identical with first embodiment will use same element numbers.

Please refer to Fig. 6, be the top view of the utility model second embodiment's two-way airflow generation device.Its structure is roughly identical with first embodiment, different is two metopes 251,252 of first wind inlet 25, and two metopes 261,262 of second wind inlet 26 are inclination corresponding to the flabellum 221 wind dispelling directions of fan 22, and each metope 251,252,261,262 is equally spaced being arranged in parallel, therefore when the motor 223 of fan 22 rotates, flabellum 221 is easier introduction air-flow, thereby can increase the smoothness of air inlet.

Please refer to Fig. 7, be the top view of the utility model the 3rd embodiment's two-way airflow generation device.Its structure is roughly identical with second embodiment, different is that each metope 251,252,261,262 is extended with guide plate 28 at corresponding first wind inlet 25 and second wind inlet 26, each guide plate 28 is corresponding to the flabellum 221 wind dispelling directions of fan 22 and be inclination, therefore flabellum 221 is easy to introduce air-flow, can increase the smoothness of air inlet equally.

By two-way airflow generation device of the present utility model, fan sucks axial flow and sends axial flow by the exhaust outlet of two different air-out directions, except making advancing of air-flow smooth and easy, and keep outside the unlikely minimizing of air quantity, can also dispel the heat at two thermals source, and then promote whole radiating efficiency.

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

Claims

1, a kind of two-way airflow generation device is characterized in that, includes:

One housing, has a putting chamber, two ends that mutually should putting chamber are extended with one first exhaust outlet and one second exhaust outlet that connects this putting chamber, and this putting chamber is formed with one first wind inlet and one second wind inlet with respect to two ends of this first exhaust outlet and this second exhaust outlet; And

One produces the fan of the air-flow that blows out from this first exhaust outlet and this second exhaust outlet, rotating this putting chamber of being located at.

2, two-way airflow generation device according to claim 1 is characterized in that, this housing also includes a cover plate and a pedestal corresponding to this cover plate, and this cover plate is incorporated into this pedestal.

3, two-way airflow generation device according to claim 2 is characterized in that, this pedestal also includes a diapire and from the relative ring wall that extends of this diapire periphery, and this diapire and this ring wall are enclosed to form this putting chamber.

4, two-way airflow generation device according to claim 3 is characterized in that, this first wind inlet and this second wind inlet are formed at this ring wall.

5, two-way airflow generation device according to claim 1, it is characterized in that, this first exhaust outlet and this second exhaust outlet respectively have one first side and one second side, this first wind inlet is close to this first side of this second exhaust outlet, and this second wind inlet is close to this second side of this first exhaust outlet.

6, two-way airflow generation device according to claim 5 is characterized in that, the wind dispelling terminal of nearly this fan of this first side joint of this first exhaust outlet, and the wind dispelling origin or beginning of nearly this fan of this second side joint.

7, two-way airflow generation device according to claim 5 is characterized in that, the wind dispelling origin or beginning of nearly this fan of this first side joint of this second exhaust outlet, and the wind dispelling terminal of nearly this fan of this second side joint.

8, two-way airflow generation device according to claim 5, it is characterized in that this putting chamber respectively is provided with a bump that air-flow is blown out from this first exhaust outlet and this second exhaust outlet in this first side of this second side of this first exhaust outlet and this second exhaust outlet.

9, two-way airflow generation device according to claim 1, it is characterized in that, this fan and this putting chamber constitute air feed stream airflow flowing passage, this air-flow path is formed with a compressing area respectively at nearly this first wind inlet, this second wind inlet place, be formed with one respectively at nearly this first exhaust outlet, this second exhaust outlet place and discharge the district, the width of this compressing area discharges the width in district greater than this.

10, two-way airflow generation device according to claim 9, it is characterized in that, this release district is bordering on this fan part for this first side of this first exhaust outlet and this second side joint of this second exhaust outlet, and this compressing area is that this first side of this second side of this first exhaust outlet and this second exhaust outlet is away from this fan part.

11, two-way airflow generation device according to claim 9 is characterized in that, this air-flow path is gradually-reducing shape in this compressing area to this release interval.

12, two-way airflow generation device according to claim 1 is characterized in that, this first wind inlet and this second wind inlet have two metopes, respectively the wind dispelling direction that this metope mutually should fan and be inclination.

13, two-way airflow generation device according to claim 12 is characterized in that, respectively this metope is equally spaced being arranged in parallel.

14, two-way airflow generation device according to claim 1, it is characterized in that, this first wind inlet and this second wind inlet have two metopes, respectively this metope mutually should first wind inlet and this second wind inlet be extended with a guide plate, the wind dispelling direction that this guide plate mutually should fan and be inclination respectively.