Plate-type heat pipe sealing structure and manufacturing method thereof

Abstract

A plate-type heat pipe sealing structure and a manufacturing method thereof are disclosed. The plate-type heat pipe includes a main body and a tube body. A notch is formed at one of two ends of the main body or one of four corners of the main body as a sealed section thereof. The tube body is disposed in the notch and connected with the main body. The main body of the plate-type heat pipe is cut by means of a mechanical processing method such as punching to form the notch. The notch of the main body is sealed by means of high frequency wave or copper welding. The tube body is positioned within the notch without protruding from the main body of the plate-type heat pipe. Accordingly, when assembled with a heat sink unit, the sealed section of the plate-type heat pipe will not interfere with the heat sink unit.

1 . A plate-type heat pipe sealing structure comprising:
 a main body having a first side, a second side, a third side, a fourth side and a notch, the first side intersecting the third and fourth sides to define a first intersection section and a second intersection section, the second side intersecting the third and fourth sides to define a third intersection section and a fourth intersection section, the notch being selectively disposed on one of the first and second sides or one of the first, second, third and fourth intersection sections, the main body having an internal chamber; and   a tube body having a first end, which is a closed end, and a second end inserted in the notch and connected with the main body in communication with the chamber.   
     
     
         2 . The plate-type heat pipe as claimed in  claim 1 , wherein a flow guide structure is disposed in the chamber and a working fluid is filled in the chamber, the flow guide structure being a wick structure or a structure composed of multiple flow guide bodies. 
     
     
         3 . The plate-type heat pipe as claimed in  claim 2 , wherein the wick structure includes a sintered body and a mesh body. 
     
     
         4 . The plate-type heat pipe as claimed in  claim 1 , wherein the notch is in the form of a triangle or a rectangle. 
     
     
         5 . The plate-type heat pipe as claimed in  claim 1 , wherein the first and second sides are opposite to each other, two ends of the first side being respectively connected with the third and fourth sides, two ends of the second side being respectively connected with the third and fourth sides. 
     
     
         6 . The plate-type heat pipe as claimed in  claim 2 , wherein the flow guide bodies are arranged at intervals to define at least one flow way. 
     
     
         7 . A manufacturing method for a plate-type heat pipe sealing structure, comprising steps of:
 providing a plate-type heat pipe having a main body;   cutting the main body of the plate-type heat pipe to form a notch; and   inserting a tube body into the notch and connecting the tube body with the main body and sealing the notch.   
     
     
         8 . The manufacturing method for the plate-type heat pipe sealing structure as claimed in  claim 7 , wherein the tube body has a closed end. 
     
     
         9 . The manufacturing method for the plate-type heat pipe sealing structure as claimed in  claim 7 , wherein the main body of the plate-type heat pipe is cut to form the notch by means of punching. 
     
     
         10 . The manufacturing method for the plate-type heat pipe sealing structure as claimed in  claim 7 , wherein the notch of the main body is sealed by means of high frequency wave or copper welding.