Flat type heat pipe with opening

[0002] 1. Field of the Invention

[0003] The present invention relates to a flat type heat pipe with opening, and in particular to a flat type heat pipe adapted for use in an electronic element or the electronic element with wires, which passes through the opening of flat type heat pipe, to contact another thermal generating device or mechanical-electrical device.

[0004] 2. Description of the Prior Art

[0005] Please refer to the FIG. 1, there is a suitable thermal sink or working fluid (not shown) arranged within the conventional heat pipe, the thermal sink is a metal net with capillarity; thereby the capillarity of the thermal sink can transform the thermal quality to a radiator outside 2A.

[0006] Thus, a heat pipe 1A according to the prior art only adapts for being made of a pipe shape, however, today the requirements of electronic products have a limitation direct to light, thin and nano could not have been reached, so that we have a flat type heat pipe 3A, (as shown in FIG. 2 or FIG. 3), the flat type heat pipe is formed by a support portion 30A or a housing module 31A, the support portion 30A has a metal net with capillarity, etc. Following the requirement of thermal radiation path, a plurality of hole 32A is stamping on the support portion 30A.

[0007] However, the taught heat pipe 1A or the taught flat type heat pipe 3A of above description, (it is) not only having a defect of deformation by negative pressure, but also having the bad properties of heat radiation transformation, which the high thermal resistance of contact, unstable of capillarity, difficult to manufacture, high cost and weld to decrease the effective of heat radiation, and do not adapt for the electronic elements or central processing units with higher temperature, for dissipating heat rapidly.

[0008] Accordingly, as above description we knowing the flat type heat pipe known in the prior art having exists a non-convenience and defect in using practically.

[0009] Therefore, the present invention is directed to an improved the flat type heat pipe with the inventor's research hardly and the application of theorem providing a flat type heat pipe with opening, (it is) directly to improve the housing module of flat type heat pipe structure, having a reasonable design and simpler thermal radiation structure, to adapt for each of the electronic elements or thermal generating device with wires or to contact with both thermal generating device for dissipating heat, to effectively improve the defect in the prior art.

[0010] It is an object of the present invention to provide a flat type heat pipe with opening, the flat type heat pipe structure is having at least one opening to penetrate the housing module, thereby the wires of the thermal generating device or the mechanical-electrical device can pass through the opening and contact with another thermal generating device or mechanical-electrical device; to reach the function of thermal dissipating and correspond to the trend of micro scale thermal dissipating module.

[0011] It is another object of the present invention to provide a flat type heat pipe with opening, wherein the flat type heat pipe structure has at least one opening to penetrate therein, to receive the wires or the electronic elements. Moreover, the opening is integrally formed by stamping process or using the rivet with hollow to form by stamping process; the housing module matches with the mechanical-electrical device, which wanted to be mounted for suitable change or manufactures, to reach the purpose of simple structure, large area for dissipating heat, high efficient of thermal convection and integrally formed by stamping process with low cost.

[0012] In order to achieve the above objectives of the invention that providing a flat type heat pipe with opening, which is including a thermal sink making working fluid flow to follow a thermal transformation cycle by capillarity; a support portion fixedly arranged with the thermal sink; a housing module received the thermal sink or the support portion therein; characterized in that a first housing is made of a good heat conductibility plate with a round shape, including at least one opening thereon, and a second housing is including at least one opening thereon or including a heat conductibility body with hollow on the opening, for positioning the first housing fixedly on a top side cavity of the second housing, sealed by welding or stamping of mechainical process forming a closed, to receive the support portion or the thermal sink or working fluid therein.

[0013] In the cause of examiner or judge can further knowing in other objects, feathers and technological subject matters of the invention will be apparent from the following detailed description taken in connection with the accompanying drawings. However, the present examples and embodiments are to be considered in all respects as illustrative and not restrictive, and the invention is not to be limited to the details given herein.

[0014] The present invention can be fully understood from the following detailed description and preferred embodiment with reference to the accompanying drawings in which:

[0015] FIG. 1 is a perspective view of a conventional heat pipe structure;

[0016] FIG. 2 is a perspective view of another conventional flat type heat pipe structure;

[0017] FIG. 3 is a perspective view of another conventional flat type heat pipe structure;

[0018] FIG. 4 is an exploded view according to the present invention;

[0019] FIG. 5 is a perspective view according to the present invention;

[0020] FIG. 6 is a local cross-sectional view according to the present invention;

[0021] FIG. 7 is another local cross-sectional view according to the present invention with hollow rivets;

[0022] FIG. 8 is another local cross-sectional view according to the present invention; and

[0023] FIG. 9 is another local cross-sectional view according to the present invention.

[0024] The following detailed description is of the best presently contemplated modes of carrying out the invention. This description is not to be taken in a limiting sense, but is made merely for the purpose of illustrating general principles of embodiments of the invention. The scope of the invention is best defined by the appended claims.

[0025] Although the embodiments of the present invention are described below in connection with a flat type heat pipe with opening, the present invention can be applied to all the electronic elements with wires or thermal generating device with wires or contacted with both thermal generating device for dissipating heat and making the wires passing through the opening, including but not limited to a light emitting diode (LED), a liquid crystal display (LCD), a light bulb, a boiler pipe, a heat exchanger pipe, a thermal generating curved pipe, as well as all other thermal generating devices or mechanical-electrical devices.

[0026] Please refer to FIGS. 4-7 illustrate a flat type heat pipe with opening, wherein the flat type heat pipe is having a housing module 1, and the housing module 1 is further having a first housing 11 or a second housing 12. At least one opening 13 is integrally formed by stamping on the first housing 11. The second housing 12 is having a bottom plate 15 integrally formed with a side of the second housing 12, there is at least one opening 13 on the bottom plate 15, a heat conductibility body with hollow 14 is fixedly connected with the opening 13. The first housing 11 is fixedly arranged on a top side of the second housing 12, sealed by welding or stamping of mechanical process forming a closed with the second housing 12, to receive a thermal sink 2 or working fluid therein. Moreover, an axis of the heat conductibility cylinder body with hollow 14 of the second housing 12 is at the same line with a center of the opening 13 of the first housing 11 when fabrication, to make the heat conductibility cylinder body with hollow 14 of the second housing 12 mounted into the opening 13 of the first housing 11. Wires 16 or connection terminals (not shown) can pass through the opening 13 and the heat conductibility cylinder body with hollow 14 to project from a side of the housing module 1, and connect to another mechanical-electrical device or thermal generating device. The flat type heat pipe with opening can arrange on a thermal generating base 17, to increase the thermal dissipating contacted area.

[0027] The thermal sink 2 is made of a good heat conductibility metal net with capillarity, fixedly arranged within the housing module 1, for providing the working fluid flow to follow a thermal transformation cycle by capillarity, to reach the best efficiency of thermal cycling. As shown in FIG. 7, the opening 13 is also stamped by a rigid body (not shown) with hollow or a rivet 16′ with hollow or screwed by screw (not shown).

[0028] Please refer to FIG. 8 illustrates another embodiment of the present invention, at least one electronic element 16″ is fixedly arranged on the housing module 1, each of the conduction portion of the electronic clement 16″ passes through the opening 13 and the heat conductibility cylinder body with hollow 14 to project from another side of the housing module 1, which is electrically connected to another mechanical-electrical device.

[0029] Please refer to FIG. 9 illustrates another embodiment of the present invention, a conduction portion of a light bulb 16′″ is fixedly arranged on the opening 13 of the present invention, wherein the second housing 12 is further including a thread of a screw on a curved surface side for screwing, the housing module 1 is including a projection electrode 17′, for providing electrically contacted. Thereby, a combination of the light bulb 16′″ and the present invention gets a special function for dissipating heat.

[0030] A prototype of flat type heat pipe with opening has been constructed herein with feathers as above descriptions, the present invention is with the opening on the housing module, therefore the wires of the thermal generating device or the mechanical-electrical device can pass through the opening and connect electrically with another mechanical-electrical device, to get the function for dissipating heat. Moreover, the opening is by means of stamping process in unity or integrally stamped by the rivets with hollow or the rigid bodies with hollow; the housing module matches with the mechanical-electrical device, which wanted to be mounted for suitable change or manufacture, to reach the purpose of simple structure, large area for dissipating heat, high efficient of thermal convection and integrally formed by stamping process with low cost. Simultaneously, the present invention is also reduced the volume of flat type heat pipe substantially, for corresponding to the fashion of modern.

[0031] Although particular embodiment of the invention has been described in detail for purpose of illustration, various modifications and enhancements maybe made without departing from the spirit and scope of the invention. Accordingly, the invention is not to be limited except as by the appended claims.