Проектирование основного электрооборудования пассажирских вагонов, страница 36

 


Рисунок А.10 – Конструкция высоковольтного трубчатого электрического нагревателя типа ННS2-0,5 водогрейного котла пассажирского вагона (1, 2 – выходной и входной контакты; 3 –пружина; 4 – фарфоровый полый изолятор; 5, 6, 7, 11 – обратный провод, спираль, прямой провод и пружина из сплава кантал; 8 – несущий керамический стержень со спиралью, находящийся в кварцевом кожухе; 9 – засыпка из графитового порошка; 10 – металлический защитный кожух).

               а)                                 3            4                                                                             б)      1                  2   

 


                 2 

                                                                                                                                          5          R1                R6      

 


                                                                                                                                          6          R2                R5

 


                                                                                                                                                      R3                R4

                                                                                                 7         

                                                                                                                                                            6            

 


Рисунок А.11 – Электрическая печь отопления типа ПО45 и схема соединения элементов (а – конструкция: 1, 2, 6 – выводные зажимы; 3 – металлические стойки; 4 – элементы ЭН; 5 – перемычки; 7 – масса вагона; б – схема соединений элементов: R1… R6 – сопротивления).

а)

                                                                                                                   

 


  1

 


                                                                                                         б)

 


                                                                                                                                       R1

                                                                                                         1

 


  2                                                                                                                                                           R2

                                                                                                                                             

                                                                                                        2

                                                                                                                                       R3

                                                                                                                                       

                                                                                                        3

                                                                                                                          

  3

                                                                                             4