TWI538364B - Liquid Cooling Heat Sink - Google Patents

Description

Fluid cooled heat sink

The present invention relates to a heat sink, and more particularly to a fluid cooled heat sink.

LEDs, central processing units and other electronic heating elements, as the operating efficiency is higher and higher, the heat generated by them is increasing. To prevent the electronic heating elements from overheating and affecting the operating efficiency, the heat sinks are attached to the electronic heating elements. To help the electronic heating element to cool heat.

However, the conventional heat sink is often attached to the electronic heating element by the heat sink fin, the heat pipe or the temperature equalizing plate, but the heat generated by some of the electronic heating elements is too high, so that the heat sink such as the heat sink fin, the heat pipe or the temperature equalizing plate cannot be used. Meet the required cooling needs.

In view of the above, the inventors of the present invention have made great efforts to solve the above problems by focusing on the above-mentioned prior art, and have made great efforts to solve the above problems, which has become the object of development by the present inventors.

An object of the present invention is to provide a fluid-cooling heat dissipating device that actively guides a heated section by a working fluid passing through a through-hole to allow a working fluid to quickly receive heat of a hot section, thereby improving a fluid-cooling heat sink. Cooling efficiency.

In order to achieve the above object, the present invention provides a fluid cooling type heat dissipating device for a heating element, the fluid cooling type heat dissipating device comprising: an outer tube having a heating section and a liquid discharging end, wherein the heating element is fixed And attached to the heated section; an inner tube having a through section and a liquid inlet end, the through section is pierced and embedded in the outer tube, and the through section is provided with a plurality of corresponding heat receiving sections a through hole having a cross-sectional area larger than a sum of sectional areas of the through holes; and a The working fluid flows from the liquid inlet end to the through section, the through holes, the outer tube and the liquid discharge end.

The invention also has the following effects: when the center line of each through hole is arranged perpendicular to the heat receiving section, the working fluid and the heated section can achieve optimal heat exchange efficiency to further enhance the heat dissipation efficiency of the cooling heat sink.

100‧‧‧heating components

10‧‧‧Fluid cooling heat sink

1‧‧‧External management

11‧‧‧heating section

12‧‧‧ liquid outlet

13‧‧‧ Subject

131‧‧‧ first side

132‧‧‧ second side

133‧‧‧First side wall

134‧‧‧ second side wall

135‧‧‧

2‧‧‧Inside

21‧‧‧ wearing paragraphs

211‧‧‧through holes

212‧‧‧through holes

22‧‧‧ liquid inlet

3‧‧‧Working fluid

a, b, c‧‧‧ cross-sectional area

L1, L2‧‧‧ center line

1 is a schematic cross-sectional view of a fluid cooling heat sink of the present invention.

2 is another schematic cross-sectional view of the fluid cooling heat sink of the present invention.

The detailed description and technical content of the present invention will be described with reference to the accompanying drawings.

Referring to FIG. 1 , the present invention provides a fluid cooling heat sink for a heat generating component 100 . The fluid cooling heat sink 10 mainly includes an outer tube 1 , an inner tube 2 , and a working fluid 3 .

The outer tube 1 has a heated section 11 and a liquid outlet end 12, and the heat generating component 100 is fixed and attached to the heat receiving section 11. The heating element 100 may be an electronic heating element such as a light emitting element or a central processing unit, and the light emitting element may be an element such as a halogen lamp or a light emitting diode.

The outer tube 1 has a main body 13 having a first surface 131 and a second surface 132 opposite to each other. The heat receiving portion 11 is formed on the first surface 131. The main body 13 has opposite bodies and is disposed in the heat receiving portion 11. A first side wall 133 and a second side wall 134 are disposed on the two sides. The first side wall 133 is provided with a transparent opening 135. The liquid discharging end 12 is formed to extend outward from the second side wall 134, and the liquid discharging end 12 communicates with the main body 13. The liquid outlet end 12 is an extension tube extending from the first side wall 133, and the liquid inlet end 22 is formed at the end of the inner tube 2, and the extension tube and the inner tube 2 are arranged in parallel.

The inner tube 2 has a through portion 21 and a liquid inlet end 22, and the through portion 21 is bored and embedded in the outer tube 1. The through portion 21 is provided with a plurality of through holes 211 corresponding to the heat receiving portion 11, and the inner tube 2 The cross-sectional area a is larger than the sum of the cross-sectional areas b of all the through holes 211.

Further, as follows, the wearing section 21 is disposed through the air vent 135 and embedded in the outer tube 1 Internally, the piercing section 21 is provided with a plurality of through holes 212 corresponding to the second faces 132. The cross-sectional area a of the inner tubes 2 is greater than the sum of the cross-sectional areas c of all the through holes 212.

In addition, each through hole 211 defines a center line L1, and the center line L1 of each through hole 211 may be vertically or obliquely arranged with the heat receiving portion 11, wherein the optimized embodiment is the center line L1 of each through hole 211. It is arranged perpendicular to the heated section 11. Similarly, each through hole 212 defines a center line L2, and the center line L2 may also be vertically or obliquely disposed with the second surface 132.

The working fluid 3 flows from the liquid inlet end 22 to the piercing section 21, the through holes 211, the outer tube 1 and the liquid outlet end 12 in this order. Wherein, the working fluid 3 can be water, a refrigerant or a gas.

The combination of the fluid-cooling heat dissipating device 10 of the present invention has an outer tube 1 having a heating section 11 and a liquid discharging end 12, and the heating element 100 is fixed and attached to the heating section 11; the inner tube 2 has a piercing section 21 and liquid inlet The end portion 22 is pierced and embedded in the outer tube 1 , and the through portion 21 is provided with a plurality of through holes 211 corresponding to the heat receiving portion 11 . The cross-sectional area a of the inner tube 2 is larger than the cross-sectional area of all the through holes 211 . The sum of b; the working fluid 3 from the liquid inlet end 22 sequentially flows to the piercing section 21, the through holes 211, the outer pipe 1 and the liquid outlet end 12. Thereby, the working fluid 3 is guided through the through hole 211 to actively impact the heat receiving section 11, so that the working fluid 3 can quickly receive the heat of the heat receiving section 11, thereby improving the heat dissipation efficiency of the fluid cooling heat sink 10.

The state of use of the fluid cooling heat sink 10 of the present invention is that the heat generating component 100 is attached to the heat receiving section 11 and transfers heat to the heat receiving section 11, and the working fluid 3 flows from the liquid inlet end 22 to the wearing section 21, because the inner tube The cross-sectional area a of 2 is greater than the sum of the cross-sectional areas b of all the through-holes 211, so that the working fluid 3 is guided by the through-holes 211 to actively impact the heated section 11, so that the working fluid 3 and the heated section 11 are quickly and continuously exchanged heat. The working fluid 3 can quickly receive the heat of the heated section 11, and finally the working fluid 3 is guided away from the outer tube 2 by the liquid outlet 12 to carry heat away from the heated section 11, thereby improving the heat dissipation efficiency of the fluid cooling heat sink 10.

In addition, when the center line L1 of each of the through holes 211 is perpendicular to the heat receiving section 11, the working fluid 3 and the heat receiving section 11 can achieve an optimum heat exchange efficiency to further enhance the heat dissipation efficiency of the cooling heat sink 10.

Please refer to FIG. 2, which is another implementation of the fluid cooling heat sink 10 of the present invention. For example, the embodiment of FIG. 2 is substantially the same as the embodiment of FIG. 1. However, the embodiment of FIG. 2 differs from the embodiment of FIG. 1 as follows. The liquid discharge end 12 of the embodiment of FIG. 1 is directed from the second side wall 134. The outer direction is extended and formed, and the liquid discharge end 12 of the embodiment of Fig. 2 is formed to extend outward from the first side wall 133. Thereby, regardless of whether the liquid discharge end 12 is formed to extend outward from the first side wall 133 or the second side wall 134, the functions and effects similar to those of the embodiment of FIG. 1 can be achieved.

In summary, the fluid-cooling heat dissipating device of the present invention has not been seen in the same kind of products and is used publicly, and has industrial utilization, novelty and progress, and fully complies with the requirements of the invention patent application, and applies for the application according to the patent law. Please check and grant the patent in this case to protect the rights of the inventor.

100‧‧‧heating components

10‧‧‧Fluid cooling heat sink

1‧‧‧External management

11‧‧‧heating section

12‧‧‧ liquid outlet

13‧‧‧ Subject

131‧‧‧ first side

132‧‧‧ second side

133‧‧‧First side wall

134‧‧‧ second side wall

135‧‧‧

2‧‧‧Inside

21‧‧‧ wearing paragraphs

211‧‧‧through holes

212‧‧‧through holes

22‧‧‧ liquid inlet

3‧‧‧Working fluid

a, b, c‧‧‧ cross-sectional area

L1, L2‧‧‧ center line

Claims (9)

A fluid-cooling heat dissipating device for a heating element, the fluid-cooling heat dissipating device comprising: an outer tube having a heating section and a liquid discharging end, wherein the heating element is fixed and attached to the heating section; The pipe has a through section and a liquid inlet end, and the piercing section is bored and embedded in the outer pipe. The piercing section is provided with a plurality of through holes corresponding to the heat receiving section, and the cross section of the inner pipe is larger than a sum of sectional areas of the through holes; and a working fluid flowing from the liquid inlet end to the through section, the through holes, the outer tube, and the liquid discharge end. The fluid-cooling heat sink of claim 1, wherein each of the through holes defines a center line, the center line being vertically disposed with the heated portion. The fluid-cooling heat dissipating device of claim 1, wherein the outer tube has a main body, the main body has a first surface and a second surface, and the heating portion is formed on the first surface. The segment is provided with a plurality of through holes corresponding to the second surface, and the sectional area of the inner tube is larger than the sum of the sectional areas of the through holes. The fluid-cooling heat sink of claim 3, wherein each of the through holes defines a centerline that is perpendicular to the second face. The fluid-cooling heat dissipating device of claim 3, wherein the main body has a first side wall and a second side wall opposite to each other of the heating section, the first side wall is provided with a transparent opening, the wearing section The utility model is disposed on the air vent and embedded in the outer tube. The fluid-cooling heat sink according to claim 5, wherein the liquid discharge end is formed to extend outward from the second side wall, and the liquid discharge end communicates with the main body. The fluid-cooling heat sink according to claim 5, wherein the liquid discharge end is formed to extend outward from the first side wall, and the liquid discharge end communicates with the main body. The fluid-cooling heat sink of claim 5, wherein the liquid outlet end is an extension tube extending from the first side wall, the liquid inlet end is formed at an end of the inner tube, and the extension tube is formed with the inner tube Parallel configuration. The fluid-cooling heat sink of claim 1, wherein the working fluid is water, a refrigerant or a gas.