| 摘要 |
The ammunition firing system is especially advantageous for electrically firing military rockets from a multiple tube rocket launcher. The system provides an electrical signal indicating the presence or absence of a rocket ready to be fired in each launching tube. The signal is derived from the firing wire or lead which is also used to fire the rocket. In each rocket, an igniter of low electrical resistance is connected between the firing lead and a common ground. Initially, the firing lead is connected by switching means to a signal source which supplies a signal current of a low energy, insufficient to cause the igniter to fire the ammunition. The system includes indicating means for indicating the presence or absence of the signal current through the igniter, so as thereby to indicate the presence or absence of the rocket in the launching tube. The signal source may include a signal voltage supply and a current limiting resistance to limit the signal current so that it will be incapable of firing the rocket. With this electrical indication from each firing circuit, it is possible to take an inventory electrically of the presence or absence of rockets in the launching tubes of the multiple rocket launcher. When a rocket is to be fired, the switching means may be operated to connect the firing lead of the rocket to a firing voltage source which provides ample energy to the igniter to fire the rocket.
|
