Method and apparatus for spin sensing in munitions

Details Method and apparatus for spin sensing in munitions Method and apparatus for spin sensing in munitions

F - Mech Eng,Light,Heat,Weapons

42

C

F42C 15/26 (2006.01) F42C 15/40 (2006.01)

Patent

CA 2596317

A spin sensor (300) and method of detecting fuze spin are disclosed. The spin sensor (300) includes a fuze housing (220) , a sense weight (390) and a rotating induction device (310). The rotating induction device (310) comprises a first rotatable element affixed to the fuze housing (220) and a second rotatable element affixed to the sense weight. The second rotatable element is mechanically coupled to the first rotatable element such that it may rotate relative to the first rotatable element. In addition, the second rotatable element is inductively coupled to the first rotatable element such that the relative rotation between the first rotatable element and the second rotatable element generates a spin signal on an electrical connection to the rotating induction device (310). The spin signal may be compared to a suitable spin profile to determine if a valid spin environment is present.

La présente invention concerne un capteur de rotation et un procédé de détection de la rotation de fusées. Le capteur de rotation comprend un boîtier de fusée, un poids de détection et un dispositif d~induction rotatif. Le dispositif d~induction rotatif comprend un premier élément rotatif fixé au boîtier de fusée et un second élément rotatif fixé au poids de détection. Le second élément rotatif est couplé mécaniquement au premier élément rotatif de telle sorte qu~il peut tourner par rapport au premier élément rotatif. En outre, le second élément rotatif est couplé de manière inductive au premier élément rotatif de telle sorte que la rotation relative entre le premier élément rotatif et le second élément rotatif génère un signal de rotation sur une connexion électrique vers le dispositif d~induction rotatif. Le signal de rotation peut être comparé au profile de rotation approprié afin de déterminer s~il existe un environnement de rotation valide.

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