JP3092804U - Computer heat sink structure - Google Patents

Abstract

(57) [Summary] (with correction) [PROBLEMS] To provide a structure of a heat radiator of a computer which can provide a large total heat discharge surface area per unit area and has an excellent heat discharge effect. SOLUTION: The heat dissipator includes a heat exhauster body 10, a plurality of metal foil fins 20, and a plurality of separators 30. The heat sink body 10 is provided with a frame-shaped internal space and has a flat contact bottom surface. The plurality of fins 20 are formed by continuously bending a thin plate. The plurality of separators 30 have at least one flat bottom surface and opposite heat conducting contact edges. When combined, the separator 30 is placed in the internal space of the heat sink body 10.
And a metal foil type fin plate, and a plurality of continuously bent metal foil type fins 20 and separators 30 are combined so as to be superposed in layers, and the outside of the heat sink body 10 is sandwiched. By pressing and heating in a high-temperature heating furnace, the metal foil fins 20, the separator plate 30, and the plate of the heat sink body 10 are heat-melted and integrally melt-bonded to quickly discharge heat. Has an effect.

Description

[Detailed description of the device]

[0001]

[Technical field to which the device belongs]

  The present invention relates to the structure of a heat exhaust device of a computer, and particularly has a large heat exhaust area, It can exert excellent heat dissipation effect on computer CPU, The present invention relates to a structure of a heat exhaust device which has an improved heat exhaust function and is applied to a computer.

[0002]

[Prior art]

  Since the conventional heat exhaust device is made by aluminum die casting, its heat exhaust plate is molded The thickness is required to be a certain dimension or more (about 1 mm or more), which is limited to the time requirement. Also Find the maximum surface area of exhaust heat by installing the largest number of fins per unit area However, it cannot be made too long on the assumption that the heat exhaust plate is thin. No For example, since it is difficult to mold during die casting, leave a gap between the fins on each heat exhaust unit, The number of fins formed on the area is limited, and the total effective exhaust heat surface area is limited The effect of exhaust heat is not so good.

[0003]   Please refer to FIG. The heat sinks made of aluminum die-cast have the above-mentioned drawbacks. As such, the trader has designed a hollow fin A. In the structure of the hollow fin Is a thin plate that is bent continuously and left heat exhaust surface B, right heat exhaust surface C and continuously bent. So that there is a defined bottom plane D. At the time of manufacturing, the exhaust heat main body 1 is provided on the The bottom flat surface D of the fin A is adhered by the heat removal paste, or the heat removal book is formed by the welding method. It is fixed to the inner plane of the body 1, and heat is generated by the contact between the fin plate and the metal surface of the heat sink body. Try to absorb and dissipate. Fin A is made by bending a thin plate, An extremely large number of plates can be distributed in a unit area, and the area to exhaust heat is large. In addition, there is a gap between each fin and the fins The temperature is lowered by the air, and a quick exhaust heat effect is obtained.

[0004]

[Problems to be solved by the device]

  However, the superiority or inferiority of the heat removal effect of the above-mentioned type of fins depends on Whether the contact between the flat surface D of the heat sink A and the flat surface of the heat exhauster main body 1 is a complete “all flat contact”. Therefore, if the contact point is not a perfect plane contact, heat transfer of the exhaust heat The effect is greatly diminished and the fixing of waste heat paste or spot welding is both complete contact There are no drawbacks.   Therefore, the main purpose of the present invention is to provide a rather large total area of exhaust heat per unit area. The structure of the heat sink of the computer that can be installed and has an extremely excellent heat dissipation effect To provide.

[0005]

[Means for Solving the Problems]

  According to a first aspect of the present invention to solve the above-mentioned problems, The structure includes a heat sink body, a plurality of metal foil fins, and a plurality of separators. The heat sink main body is provided with a frame-shaped internal space and has a flat contact bottom surface. Multiple files Is formed by continuously bending a thin plate. Less for multiple separators Both have one flat bottom and two heat conducting contact edges on each side.

[0006]   When assembling, place a separator and a metal foil fin plate in the internal space of the heat exhaust unit. A plurality of continuously bent metal foil fins and separators in layers. Assemble them together, press the outside of the heat exhauster body, press it, and heat it in a high-temperature heating furnace. By heating, the fins of each metal foil, the separator, and the plate of the heat exhauster main body are melted by heat. After being unraveled, they are melt-bonded together and have the effect of rapidly exhausting heat.

[0007]

[Embodiment of device]

  Embodiments of the present invention will be described below with reference to the drawings.   Please refer to FIG. 1 to FIG. According to the first embodiment of the present invention, The structure of the heat exhauster mainly includes the heat exhauster main body 10, a plurality of metal foil fins 20, and a plurality of heat sinks. The separator 30 and the lid 40.

[0008]   Among them, the heat exhauster main body 10 is bent by a plate into a U-shaped frame, and the center of the frame is bent. An internal space 11 is formed in the heat sink main body 10 at one side or at the front and rear corners. The protrusion 12 is provided, and the protrusion 12 is provided with the tightening hole 13. Therefore, it is convenient to install the front exhaust heat fan 50 or the rear exhaust heat fan 51 shown in FIG. To do. The front heat exhaust fan 50 is attached to the front end of the main body of the heat exhaust device of the present embodiment, When the rear exhaust heat fan 51 is attached to the rear end of the main unit, cool air is blown from the front. A rapid induction cooling effect is formed, which is extracted after being inserted, and the effect of the temperature drop Is extremely good.

[0009]   The plurality of fins 20 are made of thin copper foil or aluminum foil, and the fins are continuous. Is bent into a plurality of layers, and the fin has a plurality of guide window grooves 21 in the right diagonal direction, In addition, a guide window groove 22 is provided in the left diagonal direction. The guide window grooves in the female direction are arranged in a positive and anti-alternate arrangement (see Fig. 5). See).

[0010]   The plurality of separators 30 include a flat bottom surface 31 having a plate, and heat conducting contact ends on both sides. It is bent so that there is an edge 32, and a ventilation groove 33 is provided on the wall surface of the heat conducting contact edge 32. Has been.   The lid plate 40 is a flat plate, and the plate is provided with a transparent vent hole 41. It

[0011]   As shown in FIG. 2, when assembled, the fins 20 and the separators 30 are layered on top of each other. Heaped and applied each bent end 23 of the fin 20 to the flat bottom surface 31 of the separator plate 30. And the innermost part of the U-shaped frame of the heat exhauster body 10 after pressing the endmost part with the cover plate 40. Put in space 11.

[0012]   Please refer to FIG. When the combination of the above-mentioned members is completed, Apply external force 60 to the part and press it into the high temperature heating furnace. After heating at a high temperature for a certain specific temperature and a specific heating time, each bending of each fin 20 The barb end 23 and the flat bottom surface 31 of the separator 30 are melted by heat and integrated with the metal plate. Melt bond to. At the same time, the heat-conducting contact edges 32 on both sides of each separator 30 are also hot. Therefore, the metal plate and the heat sink main body 10 are integrally melt-bonded by heat melting, and as a whole, Formed on a heat exhaust device with thin metal foil fins installed, the total surface area for exhaust heat is This is several times more than the aluminum die-cast exhaust heat plate.

[0013]   Since the fins 20 of the heat exhaustor of this embodiment are made of a foil plate, The plate thickness can be reduced to a size of 0.05 to 1 mm, and aluminum die casting is used. Compared with the fins of the heat exhauster made by the above, the fin 20 of this embodiment is in the technical level. And can be made thinner than the conventional aluminum die-cast heat exhaust fins. And, the heat exhaustion effect becomes quicker.

[0014]   In addition, in the second embodiment of the present invention shown in FIG. The end is provided with a mating groove 14, which provides a mating fixing of the top cover plate 40. The fins 20 and the separator 30 placed in the internal space 11 of the heat exhauster body 10 are further Make intimate contact. As a result, after the high temperature hot melt processing, All can be melt-bonded together completely and provide excellent heat transfer heat removal effect It

[0015]   Please refer to FIG. In the third embodiment of the present invention shown in FIG. In order to have good heat dissipation, the front side protrusion 12 of the heat exhauster body 10 has a front part. Install the exhaust heat fan 50 and also the rear exhaust heat fan 51 on the rear side. Since the fins 20 are penetrated in the front-rear longitudinal direction, The cool air blown against the exhaust heat fins 20 quickly, and the effective exhaust heat effect is achieved. Be done.

[0016]   The right diagonal guide window groove 21 and the left diagonal guide window groove 22 of each fin 20 intersect. Installed, and if the fan's cold air is blown into the fins 20, Has the property of causing turbulence, so the flow of cold air between the fins causes The heat exchange with the inner plate is easily performed, and the heat exhausting effect is further improved.

[0017]   In order to obtain the best heat conduction effect, the bottom end of the U-shaped frame of the heat exhauster main body 10 has a heat conductive material. If the copper plate 15 is provided, the contact surface between the copper plate 15 and the CPU of the computer will be more completely attached. It becomes a match, and a higher heat transfer effect can be obtained.   In the fourth embodiment of the present invention, as shown in FIG. It is installed vertically and the separator 30 and the separator 30 are placed sideways. Such a setup With the meter, the high heat conducted from the CPU of the computer will move faster under each separator 30. Conduction to each fin 20 through conduction of the large-area heat-conducting contact edge 32 at the end, and promptly discharge Be heated.

[0018]   Further, it should be particularly explained that, in the above-mentioned embodiment, the protruding piece 12 for attaching the exhaust heat fan is used. Are provided at the front and rear ends of the U-shaped frame of the heat exhauster main body 10. It is installed at the upper end of the frame, blows cool air from below, and also matches with each fin 20. The plate of the bent end 23 may be provided with a ventilation guide window groove, which is also a feature of the present invention. is there.

[Brief description of drawings]

FIG. 1 is a perspective view showing a structure of a heat exhaust device of a computer according to a first embodiment of the present invention.

FIG. 2 is a perspective view showing a disassembled structure of a heat exhaust device of a computer according to the first embodiment of the present invention.

FIG. 3 is a front view showing the structure of the heat exhaust device of the computer according to the first embodiment of the present invention.

FIG. 4 is a partial enlarged view showing the structure of the heat exhaust device of the computer according to the first embodiment of the present invention.

5 is a sectional view taken along line 5-5 of FIG.

FIG. 6 is a perspective view showing a disassembled structure of a heat exhaust device of a computer according to a second embodiment of the present invention.

FIG. 7 is a perspective view showing a structure of a heat exhauster of a computer according to a third embodiment of the present invention.

FIG. 8 is a perspective view showing a structure of a heat exhauster of a computer according to a fourth embodiment of the present invention.

FIG. 9 is a cross-sectional view showing a conventional heat exhaust plate.

[Explanation of symbols]

1 Heatsink body 10 Heatsink body 11 Internal space 12 protrusions 13 tightening holes 14 Fitting groove 15 Copper plate 20 Fins made of metal foil 21 Right oblique direction guide window groove 22 Left diagonal direction guide window groove 23 Bend end 30 separators 31 flat bottom 32 Thermal contact edge 33 Ventilation groove 40 lid plate 41 Vent 50 Front heat exhaust fan 51 Rear exhaust heat fan 60 external force A fin B Left heat removal surface C right heat exhaust surface D bottom plane

Claims (9)

[Scope of utility model registration request] 1. A structure of a heat exhaust device of a computer comprising a heat exhaust device body, a plurality of metal foil fins, and a plurality of separators, wherein the heat exhaust device body has a frame-shaped internal space. Provided with a flat contact bottom surface, the plurality of fins is formed by continuously bending a thin plate, and the plurality of separator plates have at least one flat bottom surface and both sides of the heat transfer contact edge. When assembling, place a separator and a metal foil fin plate in the internal space of the heat exhauster main body, and stack a plurality of continuously bent metal foil fins and separator plates layer by layer. In combination, the outside of the exhaust heat exchanger main body is sandwiched and pressed, and heated in a high-temperature heating furnace. It has the effect of combining and quickly exhausting heat. Structure of the exhaust heat instrument Yuta. 2. The heat exhauster for a computer according to claim 1, wherein a cover plate is provided, and the cover plate contacts side edges of the metal foil fins to maintain a balanced contact pressure. Structure. 3. The structure of a heat exhauster of a computer according to claim 2, wherein the cover plate is provided with a transparent vent hole. 4. The heat exhauster main body is formed in a U-shaped frame,
2. The structure of the heat exhaust device for a computer according to claim 1, wherein the extending ends of the shaped plate are provided with fitting grooves for facilitating fitting of the cover plate. 5. The heat exhauster main body is provided with a projecting piece, and the projecting piece is provided with a mounting hole for facilitating mounting of the heat exhaust fan. The structure of the computer heat sink. 6. The structure of a heat exhaust device for a computer according to claim 1, wherein the guide window grooves provided on the fins made of metal foil are installed alternately in the forward and reverse diagonal directions. 7. The structure of a heat exhauster of a computer according to claim 1, wherein a heat conductive aluminum plate or a copper plate may be added to the bottom end of the U-shaped frame of the heat exhauster main body. 8. A plurality of metal foil fins are installed in a vertical direction, and the fins and the separator are laterally stacked.
2. The structure of the heat exhaust device of claim 1, wherein the heat is quickly conducted to each fin through the conduction of the large-area heat-conducting contact edge at the lower end of each separator and is quickly exhausted. 9. The structure of a heat exhaust unit of a computer according to claim 1, wherein the fins made of metal foil are provided with guide window grooves arranged in an orderly manner.