Abstract:
The heat dissipation assembly contains at least a base element having at least a slot; at least a heat dissipation element embedded into the slot; and at least a filler element for forcing the fixed embedment of the heat dissipation element into the slot. The gaps between the heat dissipation elements provide enhanced convection effect.

Description:
TECHNICAL FIELD OF THE INVENTION 
       [0001]    The present invention is generally related to heat dissipation, and more particular to a heat dissipation assembly applicable to lamps. 
       DESCRIPTION OF THE PRIOR ART 
       [0002]    Heat pipes are commonly applied to electronic appliances due to their superior thermal conductivity Conventionally, as disclosed by Taiwan Patent No. 449514, solder is coated on the interface between a heat pipe and the fins jointed to the heat pipe. The assembly is then placed and heated inside a vacuum oven. The solder is melted and permeate the interface due to the capillary effect. The solder is then solidified and the fins are welded to the heat pipe. The above process requires special apparatus (e.g., the vacuum oven), in addition to its long operating time and delicate control, thereby a high production cost. Furthermore, the process also produces waste that would be harmful to the environment. 
         [0003]    Another way to couple the heat pipe and the fins is by tightening. As shown in  FIG. 1 , the heat dissipation assembly A contains a base A 1 , a tube A 2 , and multiple fins A 3 , each with a central through hole for the tube A 2  to thread through. The central through hole has a circling flange A 31  on which a concentric rib A 32  is configured. To assemble the heat dissipation assembly, the tube A 2  is held on a fixture and the fins A 3  are mounted sequentially onto the tube A 2 . After each fin A 2  is installed, it is stamped to the tube A 2  so that the two are tightly jointed together. However, for the heat dissipation assembly A just described, the major drawback is that the tube A 2  actually would block air flow and the convection would be limited to the rims of the fins A 3 . 
       SUMMARY OF THE INVENTION 
       [0004]    A major objective of the present invention is to provide a heat dissipation assembly of reduced production cost. 
         [0005]    Another major objective of the present invention is to provide a heat dissipation assembly with robust structure and enhanced all-directional convection capability. 
         [0006]    To achieve the objectives, the heat dissipation assembly contains at least a base element having at least a slot; at least a heat dissipation element embedded into the slot; and at least a filler element for forcing the fixed embedment of the heat dissipation element into the slot. The gaps between the heat dissipation elements provide enhanced convection effect. 
         [0007]    Alternatively, the heat dissipation assembly contains at least a base element having at least a slot; and at least a heat dissipation element embedded into the slot. The gaps between the heat dissipation elements provide enhanced convection effect. 
         [0008]    The heat dissipation elements can be fixedly embedded in the slots by means such as welding, inserting a filler element, and adhesion. 
         [0009]    Optionally, a lighting element is configured on a top side of one of the base elements. 
         [0010]    The advantages of the present invention are as follows. 
         [0011]    Firstly, the heat dissipation elements are jointed to the base elements simply by filler elements, thereby achieving reduced material and cost. 
         [0012]    Secondly, the gaps between the heat dissipation elements allow air flow from various directions, thereby achieving enhanced convection effect. 
         [0013]    Thirdly, the use of filter elements enhances the robust of the heat dissipation assembly. 
         [0014]    Fourthly, the heat dissipation elements are regularly arranged or interleaved, thereby achieving enhanced visual appearance. 
         [0015]    The foregoing objectives and summary provide only a brief introduction to the present invention. To fully appreciate these and other objects of the present invention as well as the invention itself, all of which will become apparent to those skilled in the art, the following detailed description of the invention and the claims should be read in conjunction with the accompanying drawings. Throughout the specification and drawings identical reference numerals refer to identical or similar parts. 
         [0016]    Many other advantages and features of the present invention will become manifest to those versed in the art upon making reference to the detailed description and the accompanying sheets of drawings in which a preferred structural embodiment incorporating the principles of the present invention is shown by way of illustrative example. 
     
    
     
       BRIEF DESCRIPTION OF THE DRAWINGS 
         [0017]      FIG. 1  is a perspective break-down diagram showing a conventional heat dissipation assembly. 
           [0018]      FIG. 2  is a top-view diagram showing a heat dissipation assembly according to a first embodiment of the present invention. 
           [0019]      FIG. 3  is a perspective diagram showing a heat dissipation assembly according to a first embodiment of the present invention. 
           [0020]      FIG. 4  is a perspective break-down diagram showing the heat dissipation assembly of  FIG. 3 . 
           [0021]      FIG. 5  is a perspective diagram showing a heat dissipation assembly according to a second embodiment of the present invention. 
       
    
    
     DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS 
       [0022]    The following descriptions are exemplary embodiments only, and are not intended to limit the scope, applicability or configuration of the invention in any way. Rather, the following description provides a convenient illustration for implementing exemplary embodiments of the invention. Various changes to the described embodiments may be made in the function and arrangement of the elements described without departing from the scope of the invention as set forth in the appended claims. 
         [0023]    As shown in  FIGS. 2 and 3 , a heat dissipation assembly  1  according to a first embodiment of the present invention contains at least a base element  11 , at least a heat dissipation element  12 , and at least a filler element  13 . In the present embodiment, there are two base elements  11  and, as the two are identical, only one is described as follows. The base element  11  is radially configured a number of slots  111  along its circumference. Each slot  111  is embedded with a heat dissipation element  12  and therefore the number of slots  12  determines the number of the heat dissipation elements  12 . Each heat dissipation element  12  contains two identically shaped pieces arranged in parallel. The two pieces are bended along their inner edge to form perpendicular sections  121 , respectively. The filler elements  13  have the same width as that of each slot  111 . The number of the filler elements  13  is the same as or a multiple of the number of the number of slots  111 . In the present embodiment, there are 15 slots. The number of filler elements  13  therefore can be 15 or 30. The length of each filler element  13  is determined by the distance between the two base elements  11 . In the present embodiment, there are  15  filler elements  13 . 
         [0024]    Each heat dissipation element  12  with its two pieces and their perpendicular sections  121  form a U shape with a storage space in between. The two base elements  11  are vertically arranged with an appropriate distance and with their respective slots  111  aligned. Then, each heat dissipation element  12  is fitted in a pair of aligned slots  111 . A filler element  13  is subsequently inserted into the storage space in each heat dissipation element  12 . As such, there are gaps between the heat dissipation elements  12 , thereby achieving enhanced convection. 
         [0025]    As shown in  FIGS. 3 and 4 , the base elements  11  are further configured with bolt holes through which flower-shaped covers  15  are bolted. Additionally, a lighting element  17  (with, for example, a LED chip inside) is positioned on a top side of the upper base element  11 . The lower base element  11  has a central through hole allowing a support rod  16  with electrical cords inside to thread through and a top end of the support rod  16  is jointed to a bottom side of the upper base element  11 . The heat produced by the lighting element  17  is therefore conducted to the heat dissipation elements  12  locked to the base elements  11  by the filter elements  13  and then dissipated through the gaps between the heat dissipation elements  12 . 
         [0026]    A second embodiment of the present invention as shown in  FIG. 5  has rather similar structure as that of the previous embodiment. The difference lies in that there are  30  filler elements  13 , each for plugging into a slot  111 . Additionally, there is a lamp base  18  jointed to the lower base element  11 . The lighting element  17  is electrically connected to the lamp base  18  through electrical cords extended from the bottom side of the upper base element  11 , and through the center of the lower base element  11 . 
         [0027]    In addition to using the filler elements  13 , the heat dissipation elements can be fixedly embedded in the slots  111  by means such as welding and adhesion. 
         [0028]    While certain novel features of this invention have been shown and described and are pointed out in the annexed claim, it is not intended to be limited to the details above, since it will be understood that various omissions, modifications, substitutions and changes in the forms and details of the device illustrated and in its operation can be made by those skilled in the art without departing in any way from the spirit of the present invention.