CN201418229Y

CN201418229Y - A radiation device

Info

Publication number: CN201418229Y
Application number: CN200920152487XU
Authority: CN
Inventors: 乔治麦尔; 孙建宏; 陈介平
Original assignee: Celsia Technologies Taiwan Inc
Current assignee: Celsia Technologies Taiwan Inc
Priority date: 2009-06-09
Filing date: 2009-06-09
Publication date: 2010-03-03
Anticipated expiration: 2019-06-09

Abstract

The utility model relates to a radiation device comprising a frame, a temperature averaging board and a radiation board conjoined the temperature averaging board; the radiation board comprises a firstradiation fin area and a second radiation fin area separately composed of a plurality of spacedly arranged first radiation fins and second ration pins, and the spacing distance of the first radiationfins is smaller than that of the second radiation fins, thereby, air current can freely flow among the radiation fins; the first radiation fin area radiates large amount of heat, while the second radiation fin area quickly discharges the air to enhance the radiation efficiency.

Description

Heat abstractor

Technical field

The utility model relates to a kind of heat abstractor, relates in particular to a kind of heat abstractor of discharging in order to the heat that various electronic product is produced.

Background technology

The progress of modern computing machine information is quick, various electronic product is as CPU, IC assembly, power crystal, power supply unit etc., its operating rate speeds day by day, when running up or carry out running, can produce a large amount of heats, heat is not discharged if having in good time, will certainly influence normal running, cause execution speed to reduce, even cause computer hardware to damage, shorten the life-span.In order to solve the assembly problems of excessive heat, general common is that the aluminium extruded type radiating fin is installed on pyrotoxin, thermal source is led being dissipated to the external world by radiating fin, and with the fan forced air convection to increase heat conduction, reach heat radiation function, to keep normal working temperature.

General radiating fin is extruded with aluminium and is made, be subject to pressing mold and extrusion technique, the fin of moulding is arranged to the intensive shape of equi-spaced apart with folk prescription, and air-flow is cut apart by each fin, only can flow between each fin respectively, generous fin makes obstruct air-flow face bigger, the air that absorbs heat can't be discharged rapidly, and hot gas still accumulates in the bottom of fin in a large number, can't form heat exchange with the colder air molecule in fin top, heat-transfer rate is slower, influences its heat radiation function.

The utility model content

The purpose of this utility model is to provide a kind of heat abstractor, and air-flow can freely make a circulation to flow between each radiating fin, dispels the heat in a large number with the zone that each radiating fin spacing distance is little, and gets rid of gas fast with the big zone of each radiating fin spacing distance.

To achieve the above object, the utility model provides a kind of heat abstractor, comprising:

One framework;

One temperature-uniforming plate is fixed in this framework; And

One heating panel, amplexiform a surface in this temperature-uniforming plate, this heating panel comprises one first heat radiating fin section and one second heat radiating fin section, this first heat radiating fin section and this second radiating fin district are made of spaced a plurality of first radiating fins and a plurality of second radiating fin respectively, and those first radiating fin spacing distances of this first heat radiating fin section are less than those second radiating fin spacing distances of this second heat radiating fin section.

Above-mentioned heat abstractor, wherein, this first heat radiating fin section and this second radiating fin district are positioned on the same heat dissipation channel.

Above-mentioned heat abstractor, wherein, this framework has a ring frame, and this ring frame is provided with a storage tank, and this temperature-uniforming plate is embedded in this storage tank.

Above-mentioned heat abstractor, wherein, this temperature-uniforming plate has a lower surface, and this ring frame root edge has extended to form a plurality of boards to this storage tank, and this lower surface amplexiforms on those boards.

Above-mentioned heat abstractor, wherein, the empennage that this first heat radiating fin section comprises a main body and extends to form from this main body outer rim, this ring frame outer rim has extended to form a rectangular plate, this temperature-uniforming plate has a upper surface in the another side of this lower surface, this second heat radiating fin section and this main body are amplexiformed on this upper surface and this ring frame, and this empennage amplexiforms on this rectangular plate.

Above-mentioned heat abstractor wherein, also comprises a plurality of screws, and this ring frame offers one first through hole, and this rectangular plate offers one second through hole, and those screws are this first through hole of cross-under and this second through hole respectively.

Above-mentioned heat abstractor, wherein, this heating panel also comprises one the 3rd heat radiating fin section, and amplexiform on this rectangular plate the 3rd heat radiating fin section, and this second through hole is between the 3rd heat radiating fin section and this empennage.

Above-mentioned heat abstractor wherein, also comprises a fan, and this fan is arranged at the outside of this first heat radiating fin section away from this second heat radiating fin section.

Above-mentioned heat abstractor, wherein, those first radiating fin height of this first heat radiating fin section are less than those second radiating fin height of this second heat radiating fin section.

Above-mentioned heat abstractor, wherein, the height of those first radiating fins and those second radiating fins is successively decreased gradually by a side direction opposite side of this heating panel.

Effect of the present utility model is, the first heat radiating fin section has a plurality of first radiating fins of dense distribution, the second heat radiating fin section has a plurality of second radiating fins of sparse distribution, connect fan in the outside, the first heat radiating fin section, with the first heat radiating fin section is inlet end, the second heat radiating fin section is an exhaust end, each first little heat radiating fin section of the first radiating fin spacing distance, itself and gas contact area are big, allow gas absorb heat really, the heat of thermal source can be conducted to the external world in a large number, each second big heat radiating fin section of the second radiating fin spacing distance, the space of its gas passage is big, can get rid of hot gas fast; For this reason, heating panel has a plurality of radiating fins of different density degree, can increase radiating efficiency.

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 utility model three-dimensional exploded view;

Fig. 2 is the utility model three-dimensional combination figure;

Fig. 3 is the utility model vertical view;

Fig. 4 strengthens flux map for the utility model fan;

Fig. 5 is the one-body molded figure of the utility model heating panel.

Wherein, Reference numeral framework 10 ring frames 11

Storage tank 111 first through holes 112

Board 113 rectangular plates 12

Second through hole, 121 temperature-uniforming plates 20

Upper surface 21 lower surfaces 22

Heating panel 30 first heat radiating fin sections 31

Main body 311 empennages 312

Opening 313 first radiating fins 314

The second heat radiating fin section, 32 second radiating fins 321

The 3rd heat radiating fin section 33 screws 40

Fan 50 pyrotoxins 60

Embodiment

Relevant detailed description of the present utility model and technology contents cooperate graphic being described as follows, yet appended graphic reference and the explanation usefulness of only providing not is to be used for the utility model is limited.

Please refer to Fig. 1 to shown in Figure 3, the utility model relates to a kind of heat abstractor, comprises a framework 10, a temperature-uniforming plate 20 and a heating panel 30.

Framework 10 comprises a ring frame 11 and encircles the rectangular plate 12 that frame 11 outer rims extend to form certainly, ring frame 11 offers a storage tank 111 and one first through hole 112 respectively, extended to form a plurality of boards 113 from ring frame 11 root edges to storage tank 111, rectangular plate 12 offers one second through hole 121.

Temperature-uniforming plate (vapor chamber) 20 comprises a upper surface 21 and is formed at a lower surface 22 of upper surface 21 opposite sides, temperature-uniforming plate 20 is embedded in the storage tank 111, and following surperficial 22 amplexiform on each board 113, temperature-uniforming plate (vapor chamber) 20 is distributed with a sealed thin housing of capillary structure for inwall, its inside is the accommodation space of vacuum, be filled with working fluid, when temperature is improved, the working fluid that is positioned at accommodation space is after absorbing enough heats, just transfer vapour phase to by liquid phase, flow to the lower housing top of temperature, emit heat it is conducted to fin, working fluid just transfers liquid phase to by vapour phase and flows back to lower housing portion afterwards, and so constantly circulation just can be taken away the used heat that heat generating component produced.

Heating panel 30 can be by aluminium, heat conduction good metal such as copper are made, the one second heat radiating fin section 32 that comprises one first heat radiating fin section 31 and the adjacent first heat radiating fin section 31, the first heat radiating fin section 31 and the second heat radiating fin section 32 are moulding respectively, form in the first heat radiating fin section 31 with impact style and to raise up and a plurality of first radiating fins 314 that each interval is arranged, form in the second heat radiating fin section 32 with impact style and to raise up and a plurality of second radiating fins 321 that each interval is arranged, and the first heat radiating fin section 31 and the second heat radiating fin section 32 are positioned on the same heat dissipation channel.

Each first radiating fin, 314 spacing distance of the first heat radiating fin section 31 and height, each second radiating fin, 321 spacing distance and height less than the second heat radiating fin section 32, each first radiating fin 314 and the respectively height of second radiating fin 321 again, successively decreased gradually to rear side by heating panel 30 front sides, highly successively decreasing is in order to cooperate as the space with heat abstractor assembly in addition.

The first heat radiating fin section 31 comprises the empennage 312 that a main body 311 and autonomous agent 311 outer rims extend to form, main body 311 offers an opening 313, opening 313 is in order to cooperate as the space with heat abstractor assembly in addition, heating panel 30 also comprises one the 3rd heat radiating fin section 33, the second heat radiating fin section 32 and main body 311 are amplexiformed on the upper surface 21 of temperature-uniforming plate 20 and ring frame 11, the 3rd heat radiating fin section 33 and empennage 312 amplexiform on rectangular plate 12, and second through hole 121 is between the 3rd heat radiating fin section 33 and empennage 312.

With two-screw 40 difference cross-under first through hole 112 and second through holes 121, heat abstractor is fixed on the heat abstractor package base in addition with more firm combination again.

Please refer to shown in Figure 4, framework 10 and temperature-uniforming plate 20 are all the good heat carrier of thermal conductivity, heat abstractor is attached on the pyrotoxin 60 with framework 10 and temperature-uniforming plate 20, heat is conducted to heating panel 30, and in the first heat radiating fin section 31 away from arranged outside one fan 50 of the second heat radiating fin section 32, air-flow is blowed to the second heat radiating fin section 32 by the first heat radiating fin section 31, the first heat radiating fin section 31 is an inlet end, the second heat radiating fin section 32 is an exhaust end, each first little heat radiating fin section 31 of first radiating fin, 314 spacing distances, itself and gas contact area are big, allow gas absorb heat really, the heat of thermal source can be conducted to the external world in a large number, each second big heat radiating fin section 32 of second radiating fin, 321 spacing distances, the space of its gas passage is big, can allow gas discharge fast, reaches good scavenging efficiency.

Please refer to shown in Figure 5ly, the first heat radiating fin section 31 and the second heat radiating fin section 32 of heating panel 30 also can be formed in one, and stamp out a plurality of first radiating fins 314 and a plurality of second radiating fin 321 of differing heights, spacing distance again.

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 various corresponding changes and distortion when developing according to the utility model, but these corresponding changes and distortion all should belong to the appended protection range of applying for a patent of the utility model.

Claims

1, a kind of heat abstractor is characterized in that, comprising:

One framework;

One temperature-uniforming plate is fixed in this framework; And

2, heat abstractor according to claim 1 is characterized in that, this first heat radiating fin section and this second radiating fin district are positioned on the same heat dissipation channel.

3, heat abstractor according to claim 2 is characterized in that, this framework has a ring frame, and this ring frame is provided with a storage tank, and this temperature-uniforming plate is embedded in this storage tank.

4, heat abstractor according to claim 3 is characterized in that, this temperature-uniforming plate has a lower surface, and this ring frame root edge has extended to form a plurality of boards to this storage tank, and this lower surface amplexiforms on those boards.

5, heat abstractor according to claim 4, it is characterized in that, the empennage that this first heat radiating fin section comprises a main body and extends to form from this main body outer rim, this ring frame outer rim has extended to form a rectangular plate, this temperature-uniforming plate has a upper surface in the another side of this lower surface, this second heat radiating fin section and this main body are amplexiformed on this upper surface and this ring frame, and this empennage amplexiforms on this rectangular plate.

6, heat abstractor according to claim 5 is characterized in that, also comprises a plurality of screws, and this ring frame offers one first through hole, and this rectangular plate offers one second through hole, and those screws are this first through hole of cross-under and this second through hole respectively.

7, heat abstractor according to claim 6 is characterized in that, this heating panel also comprises one the 3rd heat radiating fin section, and amplexiform on this rectangular plate the 3rd heat radiating fin section, and this second through hole is between the 3rd heat radiating fin section and this empennage.

8, heat abstractor according to claim 1 is characterized in that, also comprises a fan, and this fan is arranged at the outside of this first heat radiating fin section away from this second heat radiating fin section.

9, heat abstractor according to claim 1 is characterized in that, those first radiating fin height of this first heat radiating fin section are less than those second radiating fin height of this second heat radiating fin section.

10, heat abstractor according to claim 1 is characterized in that, the height of those first radiating fins and those second radiating fins is successively decreased gradually by a side direction opposite side of this heating panel.