Connecting structure and its connecting method, and rotating machinery and alternating current generator using this structure and method

Abstract

A connecting structure in which the electric cable having an insulated coating and the electrically conductive member with non-insulated coating are connected through a connecting terminal having a junction support member by applying an electric current, heating and applying a pressure; and the electric cables having an insulated coating and are connected mutually to one another through a connecting terminal having an electrically conductive member with non-insulated coating and a junction support member by applying an electric current, heating and applying a pressure, and a connecting method in which those connections are established by applying an electric current, applying a heat and applying a pressure, and a rotating electric machinery having that connecting structure and an alternating current generator using this machinery.

What is claimed is:  
     
         1 . A connecting structure wherein 
 an electric cable having an insulated coating and an electrically conductive member with a non-insulated coating are connected to each other through a connecting terminal having a junction support member to a side of said junction support member by applying an electric current, applying a heat and applying a pressure.    
     
     
         2 . A connecting structure of  claim 1 , wherein 
 said connecting terminal is a U-shaped connecting terminal or a closed-circle shaped connecting terminal; and    a connecting target member corresponding to individual connections for said electric cable having an insulated coating, said electrically conductive member with non-insulated coating and said electric cable with non-insulated coating is integrated in said connecting terminal and used in said connection.    
     
     
         3 . A connecting structure of  claim 1 , wherein 
 said connecting terminal is a U-shaped connecting terminal;    a connecting target member corresponding to individual connections for said electric cable having an insulated coating, said electrically conductive member with non-insulated coating and said electric cable with non-insulated coating is integrated in said connecting terminal; and    said electrically conductive member with non-insulated coating and said electric cable with non-insulated coating is arranged at an open port side of said U-shaped connecting terminal, and used for said connection.    
     
     
         4 . A connecting structure of  claim 2 , wherein 
 a junction support member is arranged inside said U-shaped connecting terminal or said closed-circle connecting terminal.    
     
     
         5 . A connecting structure of  claim 1 , wherein 
 at least one of said electric cable having an insulated coating and said electrically conductive member has a cross-sectional shape in either a round form, a rectangular form or a polygon form.    
     
     
         6 . A connecting structure of  claim 1 , wherein 
 said junction support member is brazing filler metal or solder    
     
     
         7 . A connecting structure of  claim 1 , wherein 
 said connecting terminal is composed of either of copper, copper alloy, iron, iron alloy, aluminum or aluminum alloy.    
     
     
         8 . A connecting method comprising 
 a step for arranging an electric cable having an insulated coating and an electrically conductive member with a non-insulated coating at a connecting terminal having a junction support member to a side of said junction support member; and    a step for connecting said electric cable and said electrically conductive member with a non-insulated coating through said electrically conductive member with a non-insulated coating and said connecting terminal by applying an electric current, applying a heat and applying a pressure.    
     
     
         9 . A connecting method of  claim 8 , wherein 
 said connecting terminal is a U-shaped connecting terminal or a closed-circle shaped connecting terminal;    a connecting target member corresponding to individual connections for said electric cable having an insulated coating, said electrically conductive member with non-insulated coating and said electric cable with non-insulated coating is made integrated in said connecting terminal; and    said connection is established by said applying a electric current, applying a heat and applying a pressure at both sides of a plate of said connecting terminal.    
     
     
         10 . A connecting method of  claim 8 , wherein 
 said connecting terminal is a U-shaped connecting terminal;    a connecting target member corresponding to individual connections for said electric cable having an insulated coating, said electrically conductive member with non-insulated coating and said electric cable with non-insulated coating is made integrated in said connecting terminal;    said electrically conductive member with non-insulated coating and said electric cable with non-insulated coating is made arranged at an open port side of said U-shaped connecting terminal; and    said connection is established by said applying a electric current, applying a heat and applying a pressure at both sides of a plate of said connecting terminal.    
     
     
         11 . A rotating electric machinery having a connecting structure of  claim 1 .  
     
     
         12 . An alternating current generator having, between a end frame, 
 a stator core having a stator coil and a rectifier apparatus;    a rotor having a shaft around which a magnetic field coil is wound and enabled to rotated inside said stator core; and    a connecting terminal for supplying an electric current to said magnetic field coil through a slip ring and for connecting a terminal of said magnetic field coil to a lead line of the slip ring,    wherein    said magnetic field coil is an electric cable having an insulated coating;    said lead line of said slip ring is a non-insulated coating electrically conductive member; and    said magnetic field coil and said lead line have a connecting structure of either of  claim 1 .    
     
     
         13 . A rolling stock alternating current generator having, between a end frame, 
 a stator core having a stator coil and a rectifier apparatus;    a rotor having a shaft around which a magnetic field coil is wound and enabled to rotated inside said stator core; and    a connecting terminal for supplying an electric current to said magnetic field coil through a slip ring and for connecting a terminal of said magnetic field coil to a lead line of the slip ring,    wherein    said stator coil is an electric cable having an insulated coating;    a terminal of said rectifier apparatus is a non-insulated coating electrically conductive member; and    said stator coil and said terminal have a connecting structure of either of  claim 1 .    
     
     
         14 . An alternating current generator having, between a end frame, 
 a stator core having a stator coil and a rectifier apparatus;    a rotor having a shaft around which a magnetic field coil is wound and enabled to rotated inside said stator core; and    a connecting terminal for supplying an electric current to said magnetic field coil through a slip ring and for connecting a terminal of said magnetic field coil to a lead line of the slip ring,    wherein    said connecting terminal and said slip ring are pressed into and fixed at a resin pressed into said shaft.