Patent Application
20140202675
1. Field of the Invention
The present invention relates to a heat dissipation unit, especially to a heat dissipation unit used in a memory device.
2. Description of Related Art
The computer hardware has been designed to have a higher speed and higher frequency for enhancing the working performance, so the consumed power is relatively higher; compared with related art, the newly-developed electronic unit generates a considerable amount of heat; take a memory device for instance, in order to match up with the high calculation speed of a processor, the clock and the transmission bandwidth are designed to be equipped with higher speed and higher frequency, so the working temperature of the memory device is inevitably raised and the generated heat is also considerable. The working temperature which gets higher and higher would affect the performance of the memory device or would even cause the memory device to be damaged.
The heat dissipation device used in a conventional memory device includes two heat dissipation sheets, and the two heat dissipation sheets are correspondingly installed and fitted at two opposite sides of the memory device, so the high temperature generated while the memory device is working could be dissipated through the two heat dissipation sheets, however, the two heat dissipation sheets have to be tightly and stably fitted at the two opposite sides of the memory device for performing the heat dissipation effect, so a complicated structural design is made for meeting the requirement of being tightly and stably fitted.
However, sometimes the design is overly complicated, an action of lifting to a proper angle has to be done for allowing the two heat dissipation sheets to be fitted with each other (not being fitted in parallel), such design is not suitable to be used for automatic and massive production and assembly; moreover, the securing between the two heat dissipation sheets is inadequate, so a movement may be generated between the two heat dissipation sheets thereby causing dislocation; the two dislocated heat dissipation sheets are not able to perform the anticipated heat dissipation effect, or the memory device may be slowed or damaged.
As such, the present invention provides a novel heat dissipation unit for improving the above-mentioned shortages.
The present invention is to provide a heat dissipation unit used in a memory device, wherein the assembly is enabled to be done by stacking and buckling with a means of being fitted in parallel, and a simplified structure is also provided thereby being suitable to be adopted in automatic and massive production and assembly and saving the labor cost.
In another aspect, the present invention is to provide a heat dissipation unit used in a memory device, wherein any end of the heat dissipation unit is enabled to be crossly stacked with each other, and a first and a fourth buckle pieces are enabled to be mutually buckled and a second and a third buckle pieces are enabled to be mutually buckled, thereby achieving a buckling and fastening effect capable of completely retraining any movement and preventing dislocation.
Accordingly, the present invention provides a heat dissipation unit used in a memory device, which includes a first sheet dissipation sheet, two sides at the top edge thereof being bent for respectively forming a first lug and a second lug having a height difference relative to the first lug, and a first buckle piece and a second buckle piece having a height difference relative to the first buckle piece between the first lug and the second lug; and a second sheet dissipation sheet, two sides at the top edge thereof being bent for respectively forming a third lug and a fourth lug having a height difference relative to the third lug, and a third buckle piece and a fourth buckle piece having a height difference relative to the third buckle piece between the third lug and the fourth lug; the first lug and the fourth lug are mutually stacked onto each other, the second lug and the third lug are mutually stacked onto each other, the first buckle piece and the fourth buckle piece are mutually stacked onto each other and buckled, and the second buckle piece and the third buckle piece are mutually stacked onto each other and buckled.
In comparison with related art, the present invention has advantageous features as follows. The assembly can be done without an action of lifting to a proper angle prior to the fitting; a simplified structure is provided thereby being suitable for automatic and massive production thereby saving the labor cost; any end of the heat dissipation unit can be for crossly stacking, wherein the first and the fourth buckle pieces and the second and the third buckle pieces are enabled to be buckled with each other, thereby restraining any movement between the two heat dissipation sheets and preventing dislocation.
A preferred embodiment of the present invention will be described with reference to the drawings.
The present invention provides a heat dissipation unit used in a memory device, wherein
Please refer to
The first heat dissipation sheet 1 is formed with a first fitting surface 14 facing the rear direction, and two sides at the top edge of the first heat dissipation sheet 1 are bent for respectively forming a first lug 111 and a second lug 121 having a height difference relative to the first lug 111 and both protruding towards the first fitting surface 14, and a first buckle piece 112 and a second buckle piece 122 having a height difference relative to the first buckle piece 112 between the first lug 111 and the second lug 121. Wherein, the first buckle piece 112 is disposed close to the first lug 111 and a height difference is formed between the first buckle piece 112 and the first lug 111, thereby forming a first buckling structure 11; the second buckle piece 122 is disposed close to the second lug 121 and a height difference is formed between the second buckle piece 122 and the second lug 121, thereby forming a second buckling structure 12. In addition, the first buckle piece 112 is formed with a buckle hole 113, the second buckle piece 122 is formed with a buckle protrusion 123 corresponding to the buckle hole 113, and the buckle protrusion 123 of the second buckle piece 122 is enabled to be buckled in the buckle hole 113 of the first buckle piece 112.
The structure of the second heat dissipation sheet 1a is the same as that of the first heat dissipation sheet 1, the second heat dissipation sheet 1a includes a third lug 111a and a fourth lug 121a, a third buckle piece 112a and a fourth buckle piece 122a, and a second fitting surface 14a facing the front direction; the third lug 111a, the fourth lug 121a, the third buckle piece 112a and the fourth buckle piece 122a are all protruded towards the second fitting surface 14a. Wherein, the third buckle piece 112a and the third lug 111a form the first buckling structure 11, the fourth buckle piece 122a and the fourth lug 121a form the second buckling structure 12, and the third buckle piece 112a is formed with a buckle hole 113 and the fourth buckle piece 122a is formed with a buckle protrusion 123.
Substantially, the first buckling structure 11 and second right buckling structure 12 are enabled to be correspondingly buckled and fastened with each other; under the circumstance of the second heat dissipation sheet 1a being the identical to the first heat dissipation sheet 1, the second heat dissipation sheet 1a is enabled to be buckled with the first heat dissipation sheet 1 through being rotated for 180 degrees.
In assembling, the first lug 111 and the fourth lug 121a are correspondingly stacked onto each other with a means of being fitted in parallel, the second lug 121 and the third lug 111a are correspondingly stacked onto each other with a means of being fitted in parallel, the first buckle piece 112 and the fourth buckle piece 122a are correspondingly stacked onto each other with a means of being fitted in parallel, and the second buckle piece 122 and the third buckle piece 112a are also correspondingly stacked onto each other with a means of being fitted in parallel, thereby enabling the left and the right side of the heat dissipation unit 100 to be stably buckled and fastened. In details, the fourth lug 121a is pressed on the first lug 111, the first buckle piece 113 is pressed on the fourth buckle piece 122a, so the left side of the heat dissipation unit 100 is crossly stacked with a means which will be described hereinafter; the second lug 121 is pressed on the third lug 111a, the third buckle piece 112a is pressed on the second buckle piece 122, so the right side of the heat dissipation unit 100 is crossly stacked with a means which will be described hereinafter.
Accordingly, the buckling means for the left and the right side of the heat dissipation unit 100 are totally the same, in which the first buckling structure 11 of one heat dissipation sheet is buckled with the second buckling structure 12 of another heat dissipation sheet, and the two lugs 111, 121a and the two buckle pieces 112, 122a at the left side of the heat dissipation unit 100 are crossly stacked, and the two lugs 121, 111a and the two buckle pieces 122, 112a at the right side are crossly stacked, thereby achieving an effect of restraining an up/down movement; the first and the fourth buckle pieces 112, 122a and the second and the third buckle pieces 122, 112a are enabled to be buckled with each other, thereby achieving an effect of restraining a front/rear movement and a left/right movement. Please refer to
In details, the buckle protrusion 123 is protruded from the top surface of the second buckle piece 122 or the fourth buckle piece 122a; as shown in
A beam member 131, which is protruded and oriented to face the fitting surface 14, 14a, is formed between the first and the second buckling structures 11,12 at the top edge of each of the heat dissipation sheets 1, 1a, and two sides of the beam member 131 are respectively spaced from the first and the second buckling structure 11, 12 at an interval, so when two heat dissipation sheets 1, 1a are mutually fitted, the two beam members 131 are combined for forming a shield plate 13 used for shielding the top edges of the two heat dissipation sheets 1, 1a, thereby providing an embellishing effect.
The fitting surfaces 14, 14a of the two heat dissipation sheets 1, 1a are not only provided with a heat conductive medium 3 respectively, but also formed with at least two rows of heat dissipation holes allowing hot air to flow out, the two rows of heat dissipation holes respectively have plural upper heat dissipation holes 15 and plural lower heat dissipation holes 16, and each of the upper heat dissipation holes 15 is staggeringly arranged with each of the corresponding lower heat dissipation holes 16 (i.e. being arranged on different perpendicular); as shown in the figures, hot air is able to flow out from each of the upper heat dissipation holes 15 and each of the lower heat dissipation holes 16, thereby providing a hot air distribution effect. Moreover, all the heat dissipation holes of each of heat dissipation sheets are arranged between the location where the heat conductive medium 3 being provided and the top edge of the heat dissipation sheet 1, 1a, so the heat dissipation holes are all formed at the upper portion of the heat dissipation unit 100 (as shown in
Please refer to
As what has been disclosed above, the present invention has following advantageous features comparing to related art: the assembly can be done by stacking and buckling with a means of being fitted in parallel, so an action of lifting to a proper angle for being fitted is not needed; in addition, the present invention provides a simplified structure which can be massively produced and assembled thereby saving the labor cost; moreover, any end of the heat dissipation unit 100 can be used for crossly stacking by restraining of the two heat dissipation sheets 1, 1a from up/down movement, and the first and the fourth buckle pieces 112, 122a and the second and the third buckle pieces 122, 112a are enabled to be buckled with each other, thereby restraining the two heat dissipation sheets from front/rear and left/right movements, thereby achieving a buckling and fastening effect capable of completely retraining any movement, so dislocation caused by movement is prevented.
Furthermore, the present invention has more advantageous features, such as, through the shielding of the shield plate 13, the heat dissipation unit 100 is provided with the embellishing effect; the heat dissipation effect can be enhanced through the upper and the lower heat dissipation holes 15, 16, and with the design of the upper and the lower heat dissipation holes 15, 16 being staggeringly arranged, the hot air distribution effect is provided; the upper and the lower heat dissipation holes 15, 16 are formed at the upper portion of the heat dissipation unit 100, thereby complying the principle of hot air ascending and allowing the hot air to be discharged more effectively.
Although the present invention has been described with reference to the foregoing preferred embodiment, it will be understood that the invention is not limited to the details thereof. Various equivalent variations and modifications can still occur to those skilled in this art in view of the teachings of the present invention. Thus, all such variations and equivalent modifications are also embraced within the scope of the invention as defined in the appended claims.
