CN201041983Y

CN201041983Y - Heat radiation structure of power supplier

Info

Publication number: CN201041983Y
Application number: CNU2007200054454U
Authority: CN
Inventors: 李佳训
Original assignee: Enermax Technology Corp
Current assignee: Enermax Technology Corp
Priority date: 2007-04-25
Filing date: 2007-04-25
Publication date: 2008-03-26
Anticipated expiration: 2017-04-25

Abstract

A radiating structure for a power supply with a casing comprises a radiating fan and a radiator, wherein, the radiating fan is arranged at the inner side of the top surface of the casing; the radiator is positioned below the radiating fan; the radiator comprises a standing plate and a plurality of radiating fins; the radiating fins are obliquely arranged on the standing plate with intervals; a plurality of flow guide channels are formed between the radiating fins. With the utility model, air flows of the radiating fan can be forced to a certain direction to avoid hot air reflux so that electronic elements on a circuit board can be more blown by the radiating fan, and the noise production of the radiating fan can be reduced.

Description

The radiator structure of power supply unit

Technical field

The utility model is meant a kind of fin that is provided with a plurality of arranged askew especially relevant for a kind of radiator structure of power supply unit, and is formed with the radiator structure of the power supply unit of flow-guiding channel between fin.

Background technology

Popularizing of computer product is great changes for the mankind at present, for the device that makes computer-internal can obtain running institute palpus power supply, all is provided with a power supply unit in the therefore general main frame.

The housing end face of above-mentioned power supply unit is provided with a radiator fan, this power supply unit is provided with a circuit board in this enclosure interior in addition, this circuit board is positioned at this place, radiator fan below and is provided with a plurality of chips, on this circuit board and be equiped with the radiator of aluminium extruded type, as shown in Figure 1, above-mentioned radiator 1a comprises a mainboard 10a and two leg 20a, this mainboard 10a end face is provided with a plurality of erect types and the fin 11a for being provided with at interval, this two leg 20a extends to form an inserting part 21a respectively downwards, be fixed in this circuit board (figure slightly) with plant, absorb the heat of the electronic building brick of circuit board by this radiator 1a, and the radiator fan (figure slightly) that sees through power supply unit imports air and brushes this radiator 1a and heat is discharged outside the housing, prevents that power supply unit Yin Wendu is too high and damages.

But the housing of above-mentioned power supply unit is easy to generate the hot gas backflow phenomenon in its rear side (i.e. a side of close main frame inside) inside, and air can't be discharged outside this housing smoothly, causes accumulation of heat, and temperature rises.And because above-mentioned fin 11a is the arrangement of vertical type, when the wind bump fin 11a of radiator fan, just can form bigger windage, make the air-flow of radiator fan can't blow to the electronic building brick on the circuit board simultaneously.In addition, when power supply unit reached high capacity, radiator fan must be strengthened rotating speed, more hot gas could be discharged outside the housing, also thereby cause the increase of noise.

Therefore, the improving of this creator thoughts the problems referred to above is to concentrate on studies and cooperate the utilization of scientific principle, and proposes a kind of reasonable in design and effectively improve the utility model of the problems referred to above.

The utility model content

Main purpose of the present utility model, be to provide a kind of radiator structure of power supply unit, it is provided with the fin of a plurality of arranged askew, form flow-guiding channel between these fin, with the direction delivery of the air-flow of forced heat radiation fan toward appointment, make that the hot gas backflow phenomenon is difficult for producing and dispelling the heat smoothly, allow the electronic building brick on the circuit board blow to more wind simultaneously, radiator fan needn't be run up, lower the noise of its generation.

In order to reach above-mentioned purpose, the utility model provides a kind of radiator structure of power supply unit, and this power supply unit has a housing, and this radiator structure comprises: a radiator fan, and it is arranged at this housing inside top surface; And a radiator, it is arranged at this enclosure interior and is positioned at this radiator fan below, this radiator comprises a riser and complex cooling fin, these fin oblique and at interval be arranged at this riser, form a plurality of flow-guiding channels between these fin.

The utlity model has following beneficial effect: the utility model can be guided the direction delivery of the air-flow of radiator fan toward appointment, and can reduce windage, therefore be difficult for producing the hot gas backflow phenomenon, and can allow the electronic building brick on the circuit board be subjected to brushing of radiator fan, and can help the electronic building brick heat radiation, and then the output wattage of lifting power supply unit, can make radiator fan comparatively peace and quiet simultaneously with low-speed running.

For enabling 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 appended graphic only provide with reference to and the explanation usefulness, be not to be used for the utility model is limited.

Description of drawings

Fig. 1 is the stereogram of known radiator.

Fig. 2 is the three-dimensional exploded view of first embodiment of the present utility model.

Fig. 3 is the part three-dimensional combination figure of first embodiment of the present utility model.

Fig. 4 is the end view of Fig. 3.

Fig. 5 is the part three-dimensional combination figure of second embodiment of the present utility model.

Fig. 6 is the end view of Fig. 5.

Fig. 7 is the end view of first another embodiment of radiator of the present utility model.

The primary clustering symbol description

One, known

The 1a radiator

The 10a mainboard

The 11a fin

The 20a leg

The 21a inserting part

Two, the utility model

10 radiator fans

20 first radiators

21 first risers

211 fixing holes

22 first legs

221 inserting parts

222 pin portions

23 first fin

23 ' first fin

231 ' guidance part

24 first flow-guiding channels

30 second radiators

31 second risers

311 fixing holes

32 second legs

321 inserting parts

322 pin portions

33 second fin

331 guidance parts

34 second flow-guiding channels

100 housings

101 pedestals

1011 louvres

102 lids

103 circuit boards

Embodiment

See also Fig. 2 to shown in Figure 4, first embodiment for the radiator structure of the utility model power supply unit, the utility model is in order in the housing 100 that is installed in a power supply unit, this housing 100 comprises a pedestal 101 and and covers lid 102 in this pedestal 101, these pedestal 101 leading flanks wear a plurality of louvres 1011, these pedestal 101 inner installing one circuit boards 103.Above-mentioned radiator structure comprises: a radiator fan 10, one first radiator 20 and one second radiator 30.This radiator fan 10 is arranged at lid 102 inside top surface of this housing 100, dispels the heat in order to air is imported in this housing 100.

This first radiator 20 comprises one first riser 21,2 first legs 22 and plural first fin 23.This first riser 21 is made with the heat conductive metal material and is a longitudinal plate body, and this first riser 21 is provided with plurality of fixed hole 211, and these fixing holes 211 are through to the and arranged on left and right sides face of this first riser 21.This first radiator 20 is arranged at the pedestal 101 inner close places, left side (as shown in Figure 3) of this housing 100, and the position is below this radiator fan 10.

This first riser 21 can be by this fixing hole 211 be equiped with at least one chip (figure slightly) in the mode of screw lock, this first riser 21 can be contacted with this chip and helps its heat radiation.

This 2 first leg 22 is stamped to form with the metal lamellar body, each first leg, 22 centre extends to form an inserting part 221 downwards, this inserting part 221 stretches out this first riser, 21 bottom surfaces, these inserting part 221 both sides are bent to form a pin portion 222 respectively, this inserting part 221 is planted and is fixed in this circuit board 103, and this pin portion 222 is resisted against this circuit board 103 surfaces.This 2 first leg 22 is fixedly arranged on the bottom of these first riser, 21 and arranged on left and right sides faces respectively and the one section suitable distance of being separated by.

These first fin 23 are made with the heat conductive metal material, these first fin 23 stretch out this first riser, 21 left sides along the horizontal of this first riser 21, outside the right two sides, these first fin 23 are incorporated into this first riser, 21 tops with welding or integrated mode, these first fin, 23 oblique and vertically being arranged on this first riser 21 at interval along this first riser 21, and these first fin 23 all tilt toward same direction, between these first fin 23 and be formed with a plurality of first flow-guiding channels 24, the direction that these first flow-guiding channels 24 tilt is corresponding with these louvres 1011.

This second radiator 30 comprises one second riser 31,2 second legs 32 and plural second fin 33.This second riser 31 is equipped with plurality of fixed hole 311, and this 2 second leg 32 also is provided with an inserting part 321 and two a pin portion 322 in these inserting part 321 both sides.This 2 second leg 32 is fixedly arranged on the bottom of these second riser, 31 and arranged on left and right sides faces respectively and the one section suitable distance of being separated by.

These second fin, 33 oblique and vertically being arranged on second riser 31 at interval along second riser 31, first fin 23 opposite (as shown in Figure 4) of the incline direction of second fin 33 and first radiator 20 forms a plurality of second flow-guiding channels 34 between these second fin 33.This second radiator 30 and this first radiator 20 side by side be arranged at this radiator fan 10 belows, and the position is near these places, pedestal 101 right sides (as shown in Figure 3).

When this radiator fan 10 rotates, can be from the housing 100 outside air-flows that import downwards to housing 100 inside, the flowing gas that this radiator fan 10 produces is with down obliquely flow of helical-like path.Therefore, the air-flow in close pedestal 101 left sides can pass through these first flow-guiding channels 24 along first fin 23 of these inclinations, and discharges outside this housing 100 via the louvre 1011 of this pedestal 101; Air-flow near pedestal 101 right sides then can be along second fin 33 that tilts by second flow-guiding channel 34, because first, second fin the 23, the 33rd, cooperate the airflow direction of radiator fan 10 and be the setting of arranged askew, thereby can reduce windage, reduce the noise that radiator fan 10 produces, the air-flow that makes electronic building brick (figure is slightly) on the circuit board 103 can be subjected to radiator fan 10 simultaneously brushes, and cooling that can be faster.

See also Fig. 5 and shown in Figure 6, be second embodiment of the present utility model, with the difference of first embodiment be in:

Second fin, 33 bottoms of this second radiator 30 extend to form a guidance part 331 toward the bending of these louvre 1011 directions, so that the air-flow of this radiator fan 10 can be via these guidance part 331 these louvres 1011 of guiding, thereby more heat are taken away.These guidance part 331 surface configurations are not restricted, can be flat condition (as shown in Figure 6) or bending arc shape (figure slightly).

See also shown in Figure 7, for the another kind that discloses this first radiator 20 changes, the part fin 23 ' of this first radiator 20 is different with the incline direction of all the other fin 23, these fin 23 ' bottoms also are formed with guidance part 231 ' and other direction that the air-flow of radiator fan 10 can be led, thus, can dispel the heat at the position that needs are strengthened heat radiation, make this position of guiding that the air-flow of this radiator fan 10 can be concentrated, and can dispel the heat at this position.In like manner, this kind structure also can be applicable on this second radiator 30.

So, the utility model radiator structure is provided with the fin 23 of plural arranged askew, 33, these fin 23, between 33 and form a plurality of flow-guiding

channels

24,34, by these flow-guiding

channels

24,34 can force the direction delivery of the air-flow of this radiator fan 10 toward appointment, produce the hot gas backflow phenomenons and be not easy to housing 100 inside, and make the electronic building brick on the circuit board can be subjected to brushing of radiator fan 10, promote integral heat sink efficient, thereby promote the output wattage of power supply unit, and can make radiator fan 10 with than slow-speed of revolution running, reduce the noise that is produced.

But the above only is a preferable possible embodiments of the present utility model, non-so promptly limit to claim of the present utility model, so the equivalent structure that uses the utility model specification and graphic content to do such as changes, and all in like manner all is contained in the scope of the present utility model, closes and gives Chen Ming.

Claims

1. the radiator structure of a power supply unit, this power supply unit has a housing, it is characterized in that, and this radiator structure comprises: a radiator fan, it is arranged at this housing inside top surface; And a radiator, it is arranged at this enclosure interior and is positioned at this radiator fan below, this radiator comprises a riser and complex cooling fin, these fin oblique and at interval be arranged at this riser, form a plurality of flow-guiding channels between these fin.

2. the radiator structure of power supply unit as claimed in claim 1, it is characterized in that: this riser sets firmly at least one leg, and this leg extends to form an inserting part, and this inserting part stretches out this riser bottom surface.

3. the radiator structure of power supply unit as claimed in claim 1, it is characterized in that: this riser is a longitudinal plate body, these fin are along this riser that is arranged at of the longitudinal separation of this riser.

4. the radiator structure of power supply unit as claimed in claim 1, it is characterized in that: this riser is provided with at least one fixing hole, and this fixing hole is through to the two sides of this riser.

5. the radiator structure of power supply unit as claimed in claim 1 is characterized in that: these fin welding or integrated this risers that are incorporated into.

6. the radiator structure of power supply unit as claimed in claim 1 is characterized in that: these fin are that same direction tilts.

7. the radiator structure of power supply unit as claimed in claim 1 is characterized in that: the part fin in these fin and remaining fin are that different directions tilts.

8. the radiator structure of power supply unit as claimed in claim 1, it is characterized in that: this radiator structure is provided with another radiator, this another radiator and this radiator are setting side by side, and the fin of this another radiator is opposite with the incline direction of the fin of this radiator.

9. the radiator structure of power supply unit as claimed in claim 8, it is characterized in that: this housing one side wears plural louvre, and the fin bottom of this another radiator extends to form a guidance part toward these louvre directions bendings.

10. the radiator structure of power supply unit as claimed in claim 8, it is characterized in that: this radiator structure is provided with second radiator at least.