CN2615862Y

CN2615862Y - Central geometrical changing heat radiator

Info

Publication number: CN2615862Y
Application number: CN 03203342
Authority: CN
Inventors: 骆俊光; 郭晋良
Original assignee: NOYA Inc
Current assignee: NOYA Inc
Priority date: 2003-02-19
Filing date: 2003-02-19
Publication date: 2004-05-12
Anticipated expiration: 2013-02-19

Abstract

The utility model provides a center geometric distortion radiator which comprises a radiator body with at least one center hole and a heat conductor located in the center hole of the radiator with one end facing a heating source. The radiator body comprises at least five radiating portions set toward different directions in the center hole. Every radiating portion is provided with a plurality of parallel radiating fins of the same direction to form a good wind cross section with the integral group, thereby enabling at least some radiating fins and the central axis of the radiator body to form a predetermined bevel wind cross section and the radiating fins and the center hole to form a thermal capacitance zone of enough thickness.

Description

Center geometric deformation radiator

(1) technical field

The utility model relates to a kind of radiator, and it is big and can effectively evacuate the center geometric deformation radiator of temperature particularly to relate to a kind of cooling surface area.

(2) background technology

Shown in Fig. 1,3, be No. the 90200710th, Taiwan patent " the improvement structure of CPU radiating fin ", this fin 1 is to be installed in pyrotoxin 2 end faces that are positioned at a substrate 20, and this pyrotoxin 2 can be a central processing unit (CPU), integrated circuit (IC) chip (IC), module ... Deng; This fin 1 comprises one and has the heat sink body 11 of a centre bore 111, and a heat carrier 12 that is installed in this centre bore 111.

As shown in Figure 2, this heat sink body 11 has two groups of quartering radiating parts 112 that are right-angled intersection and are provided with towards different directions from this centre bore 111 respectively, each radiating part 112 has a plurality of parallel heat-dissipating fins 1121 in the same direction, forms a thermal capacitance zone 113 between this heat-dissipating fin 1121 and this centre bore 111.

As shown in Figure 3, this heat carrier 12 is to be installed in the centre bore 111 of this heat sink body 11, and its bottom face is to be sticked on this pyrotoxin 2, can be with most of heat up conduction rapidly of this pyrotoxin 2, and the cooling surface area that sees through this heat-dissipating fin 1121 is again evacuated waste heat; In addition, as shown in Figure 4, this fin also comprises a top cover 13 and a base 14 of the centre bore 111 that is sealed in this heat sink body 11 respectively, this top cover 13, this base 14 can define an accommodation chamber 15 with the inner face of this centre bore 111, for filling heat-conducting medium 16, can be sticked on this pyrotoxin 2 by this base 14, with most of heat up conduction rapidly of this pyrotoxin 2, the cooling surface area that sees through this heat-dissipating fin 1121 is again evacuated waste heat; But in fact still there is following disappearance in said structure aspect radiating effect:

Shown in Fig. 2,3, vertical radiating part 112 of this general fin 1 (be upper and lower to) is into the structural design that cross intersects vertically with heatsink transverse portion 112 (being left and right direction), make these heat-dissipating fin 1121 formed wind shear sections and be unfavorable for the play of air-flow, be that air-flow can't following current and hindered, can reduce the radiating effect of air-flow heat exchange relatively; Important and what deserves to be mentioned is, the thermal capacitance zone 113 that forms between this heat-dissipating fin 1121 and this centre bore 111, because of it has the shortcoming of thermal capacitance thickness d deficiency, when heat carrier 12 or base 14 up conduct most of heat of pyrotoxin 2 rapidly, can't make heat effectively be passed to the end segment of this heat-dissipating fin 1121, can limit reduce the cooling surface area of this heat-dissipating fin 1121 relatively, thereby reduce radiating effect.

(3) utility model content

The purpose of this utility model is to provide a kind of cooling surface area big and can effectively evacuate the center geometric deformation radiator of heat.

According to a kind of center provided by the utility model geometric deformation radiator, be to be installed on the pyrotoxin, comprise one and be installed on this pyrotoxin and have the radiator body of at least one centre bore, and a heat carrier that is installed in the centre bore of this radiator body; This radiator body comprises at least one centre bore, and at least five radiating parts that are provided with towards different directions from this centre bore respectively, each radiating part has a plurality of parallel heat-dissipating fins in the same direction and constitutes preferable wind shear section with whole group, make at least partly that heat-dissipating fin becomes pre-fixed inclination wind shear section with the central axis of radiator body, formation one has the thermal capacitance zone of adequate thickness between this heat-dissipating fin and this centre bore; This heat carrier is to be installed in the centre bore of this radiator body, one end is to be sticked on this pyrotoxin, can be with most of heat up conduction rapidly of this pyrotoxin, the thermal capacitance zone that sees through this radiator body again is passed to the end segment of this heat-dissipating fin rapidly with temperature, and dispels the heat effectively by the formed big cooling surface area of this heat-dissipating fin.

(4) description of drawings

Below by most preferred embodiment and accompanying drawing the utility model center geometric deformation radiator is elaborated, in the accompanying drawing:

Fig. 1 is a three-dimensional exploded view of No. the 90200710th, Taiwan patent " the improvement structure of CPU radiating fin ".

Fig. 2 is a top view of a heat sink body of No. the 90200710th, Taiwan patent " the improvement structure of CPU radiating fin ".

Fig. 3 is the assembled sectional view of Fig. 1, illustrates in the centre bore of this heat sink body to be equiped with a heat carrier.

Fig. 4 is the assembled sectional view of Fig. 1, but illustrates that this fin has the accommodation chamber of a filling heat-conducting medium.

Fig. 5 is a three-dimensional exploded view of a preferred embodiment of the present utility model, illustrates that a radiator body of this radiator has six groups respectively outwards towards the radiating part of different directions, and each radiating part has a plurality of parallel heat-dissipating fins in the same direction.

Fig. 6 is a top view of the radiator body of this preferred embodiment, illustrates that this radiator body has six radiating parts.

Fig. 7 is an assembled sectional view of this preferred embodiment, illustrate that this radiator is installed on the pyrotoxin, can up conduct rapidly by the most of heat of this heat carrier, and see through the formed big cooling surface area evacuation waste heat of heat-dissipating fin of this radiator body this pyrotoxin.

Fig. 8 is another stereogram of a radiator body of this preferred embodiment, illustrates that this radiator body has five groups of outside respectively radiating parts towards different directions.

(5) embodiment

For convenience of description, at following embodiment, similar elements is to represent with same numeral.

Shown in Fig. 5,6, one preferred embodiment of center of the present utility model geometric deformation radiator, be to be installed on the pyrotoxin 2 ', and comprise one and be installed in the radiator body 3 that a centre bore 31 was gone up and had to this pyrotoxin 2 ', an and heat carrier 4 that is installed in the centre bore 31 of this radiator body 3.

This radiator body 3 is to be installed on this pyrotoxin 2 ', and comprise a round center hole 31, and at least five radiating parts 32 that are provided with towards different directions from this centre bore 31 respectively, each radiating part 32 has a plurality of parallel heat-dissipating fins 321 in the same direction and constitutes preferable wind shear section with whole group, making at least partly, heat-dissipating fin 321 becomes pre-fixed inclination wind shear section with the central axis of radiator body 3, and it is long-pending to form big heat transfer surface, and form a thermal capacitance zone 33 with enough thermal capacitance thickness D between this heat-dissipating fin 321 and this centre bore 31, above-mentioned thermal capacitance thickness D depends on that being enough to the heat transferred of pyrotoxin 2 ' is design principle to the end segment of this heat-dissipating fin 321; Be to adopt in this example, also can change the radiator body with five radiating parts 32 3 that uses to as shown in Figure 8 just like the radiator body with six radiating parts 32 3 shown in Fig. 5,6.

What is particularly worth mentioning is that,, can spray Heat Conduction Material to all ring surfaces of this heat-dissipating fin 321, and can obtain better thermal conduction effect for strengthening the heat-conducting effect of this heat-dissipating fin 321.

This heat carrier 4 is that packing is installed in the centre bore 31 of this radiator body 3, this heat carrier 4 can be copper metal cartridge as shown in Figure 5 or change to use is the heat conduction cylinder that a graphite material is made, but or the super conduction of a heat cylinder 4 ' with vacuum chamber 41 ' of the aqueous heat-conducting medium 5 of a filling as shown in Figure 7; This heat-conducting medium 5 is to be selected from hydrogen, lithium, sodium, potassium, magnesium, calcium, strontium, barium ... or the like, adopt multiple oxidation element to grind according to different heat conduction conditions and following pure water, methyl alcohol, acetone, ammonia, nitrogen, sodium, lithium through high temperature sintering ... Deng or other equivalent materials mix; This heat carrier 4,4 ' bottom face 41,42 ' they are to be sticked on this pyrotoxin 2 ', can be with most of heat up conduction rapidly of this pyrotoxin 2 ', and the heat-dissipating fin 321 formed big cooling surface areas that see through this radiator body 3 again dispel the heat effectively.

Shown in Fig. 5,6,7, during use, when the temperature of this pyrotoxin 2 ' rises when central processing unit work (such as), this heat carrier 4 can be with most of heat of pyrotoxin 2 ' heat loss through conduction up rapidly, see through the thermal capacitance zone 33 with enough thermal capacitance thickness D of this radiator body 3 again, temperature is passed to the end segment of this heat-dissipating fin 321 rapidly, and by these heat-dissipating fin 321 formed big cooling surface area efficiently radiates heats; When reality is used, because of as shown in Figure 2 the thermal capacitance thickness d of the utility model thermal capacitance thickness D as shown in Figure 6 greater than general fin 1, the utility model can make the heat of this pyrotoxin 2 ' be passed to the end segment of this heat-dissipating fin 321 really effectively relatively, and cooling surface area is played effectiveness fully; Add six radiating parts 32 of the present utility model a plurality of heat-dissipating fin 321 that can be shaped, make the summation of cooling surface area bigger, and with this radiating part 32 is to be the not staggered intersection of isogonism, perseverance is better than general fin 1 formed wind shear section as shown in Figure 2, heat-dissipating fin 321 formed wind shear sections of the present utility model help the play of air-flow, be that air-flow can following current and can not be hindered, reach the radiating effect that significantly improves the air-flow heat exchange, will make the advantage that the utlity model has rapid efficiently radiates heat.

What deserves to be mentioned is, when the super conduction of as shown in Figure 7 heat cylinder 4 ' is subjected to thermal excitation, super vacuum chamber 41 ' the interior heat-conducting medium 5 that conducts cylinder 4 ' of this heat will be concentrated be subjected to thermal excitation, and be subjected to influencing down (because of being positioned at the liquid in vacuum low-pressure space for vacuum low-pressure in this vacuum chamber 41 ', be easier to boiling, be that boiling point is lower), produce the perseverance expanding transfer of vibration of advancing and can produce phase transformation or temperature molecule rapidly, the rapid conduction of energy of this pyrotoxin 2 ' is spread all in this vacuum chamber 41 ', obtain excellent heat conduction efficiency, so the utlity model has the operating characteristic that can realize comprehensive heat radiation rapidly.

Claims

1. a center geometric deformation radiator is to be installed on the pyrotoxin, comprises a radiator body and a heat carrier, it is characterized in that:

This radiator body, be to be installed on this pyrotoxin, and comprise at least one centre bore, and at least five radiating parts that are provided with towards different directions from this centre bore respectively, each radiating part has a plurality of parallel heat-dissipating fins in the same direction and constitutes preferable wind shear section with whole group, and make at least partly heat-dissipating fin becomes pre-fixed inclination wind shear section with the central axis of radiator body; And

This heat carrier is that packing is installed in the centre bore of this radiator body, and one end is to be sticked on this pyrotoxin.

2. center as claimed in claim 1 geometric deformation radiator is characterized in that:

Form the thermal capacitance zone of an adequate thickness between this heat-dissipating fin and this centre bore, the heat of pyrotoxin is delivered to fully the end segment of this heat-dissipating fin.

3. center as claimed in claim 1 geometric deformation radiator is characterized in that:

This heat carrier is the super conduction of a heat cylinder.

4. center as claimed in claim 3 geometric deformation radiator is characterized in that:

But the super conduction of this heat cylinder has the vacuum chamber of the aqueous heat-conducting medium of a filling.

5. center as claimed in claim 1 geometric deformation radiator is characterized in that:

This heat carrier is the cylinder that a graphite material is made.

6. center as claimed in claim 1 geometric deformation radiator is characterized in that:

This heat carrier is a bronze medal cylinder.