Heat dissipating device

Abstract

A heat dissipating device applied to a heat generating element includes a cooling device, a vapor chamber and a heat pipe, and the vapor chamber is attached to the heat generating element, and the heat pipe is thermally coupled to the cooling device and communicated with the vapor chamber, and the heat pipe has at least one flexible portion. The heat pipe may be bent or deformed at any angle or in any direction through the flexible portion, so that the heat pipe can be installed and aligned and the height difference can be adjusted with respect to the cooling device, the vapor chamber and the heat generating element in a better way. In the meantime, the heat dissipating device has a shock absorbing capability.

1 . A heat dissipating device, applied to a heat generating element, comprising:
 a cooling device;   a plate-shaped vapor chamber, attached to the heat generating element; and   a heat pipe, thermally attached to the cooling device and communicated with the plate-shaped vapor chamber, and having at least one flexible portion,   wherein the plate-shaped vapor chamber has a hollow interior, and a width of the plate-shaped vapor chamber is larger than that of the heat pipe.   
     
     
         2 . The heat dissipating device according to  claim 1 , wherein the flexible portion includes a wrinkled ring and at least one flexible capillary tissue selected from the group consisting a metal mesh and a fiber member. 
     
     
         3 . The heat dissipating device according to  claim 2 , wherein the heat pipe has two smooth sections disposed at both ends of the flexible portion respectively, and the smooth section is covered by a capillary structure therein, and the flexible capillary tissue is disposed across and attached to the capillary structure, and the capillary structure is formed by one or more elements selected from the group consisting of a sintered powder, a metal mesh, a fiber member and a trench. 
     
     
         4 . The heat dissipating device according to  claim 3 , wherein the heat pipe comprises at least two main-body tubes and at least one mid-section tube, and the two main-body tubes are passed to or sheathed on both ends of the mid-section tube respectively, and the flexible portion is formed on the mid-section tube, and each of the smooth sections is formed on each respective main-body tube. 
     
     
         5 . The heat dissipating device according to  claim 4 , wherein each of the main-body tubes is fixed to the mid-section tube by soldering. 
     
     
         6 . The heat dissipating device according to  claim 3 , wherein the flexible portion and the two smooth sections are integrally extended and formed. 
     
     
         7 . The heat dissipating device according to  claim 3 , wherein at least one of the smooth sections is bent into at least one curved section, and a part of the heat pipe is bent into an L-shape or a U-shape through the curved section. 
     
     
         8 . The heat dissipating device according to  claim 3 , wherein the plate-shaped vapor chamber has two joints and contains a chamber and a capillary member therein, and the capillary structure is covered onto at least one side surface of the chamber, and both ends of the heat pipe are fixed to the two joints respectively, and the interior of the heat pipe and the chamber are communicated with each other, and the capillary structure and the capillary member are attached with each other, and the capillary member is formed by one or more elements selected from the group consisting of a sintered powder, a metal mesh, a fiber member and a trench. 
     
     
         9 . The heat dissipating device according to  claim 1 , wherein the flexible portion includes a spiral ring, and the spiral ring contains at least one flexible capillary tissue therein, and the flexible capillary tissue is formed by one or more elements selected from the group consisting of a metal mesh and a fiber member. 
     
     
         10 . The heat dissipating device according to  claim 9 , wherein the heat pipe has two smooth sections disposed at both ends of the flexible portion respectively, and the interior of the smooth section is covered with a capillary structure, and the flexible capillary tissue is disposed across and attached to the capillary structure, and the capillary structure is formed by one or more elements selected from the group consisting of a sintered powder, a metal mesh, a fiber member, and a trench. 
     
     
         11 . The heat dissipating device according to  claim 10 , wherein the heat pipe includes at least two main-body tubes and at least one mid-section tube, and the two main-body tubes are passed to or sheathed on both ends of the mid-section tube respectively, and the flexible portion is formed on the mid-section tube, and each of the smooth sections is formed on each respective main-body tube. 
     
     
         12 . The heat dissipating device according to  claim 11 , wherein each of the main-body tubes and the mid-section tube are coupled to each other by soldering. 
     
     
         13 . The heat dissipating device according to  claim 10 , wherein the flexible portion and the two smooth sections are integrally extended and formed. 
     
     
         14 . The heat dissipating device according to  claim 10 , wherein at least one of the smooth sections is bent into at least one curved section, and a part of the heat pipe is bent into an L-shape or a U-shape through the curved section. 
     
     
         15 . The heat dissipating device according to  claim 10 , wherein the plate-shaped vapor chamber has two joints and contains a chamber and a capillary member, and the capillary structure is covered onto at least one side surface of the chamber, and both ends of the heat pipe are coupled to the two joints respectively, and the interior of the heat pipe and the chamber are communicated with each other, and the capillary structure and the capillary member are attached to one another, and the capillary member includes one or more elements selected from the group consisting of a sintered powder, a metal mesh, a fiber member, and a trench. 
     
     
         16 . The heat dissipating device according to  claim 1 , wherein the cooling device is a fin module or a water cooling device, and the fin module or the water cooling device has a passing portion, and the heat pipe is passed and coupled to the passing portion.