FIELD: integral acceleration meters engineering.
SUBSTANCE: device has magnetic conductor 2, two constant magnets 4 with pole ends 5, between which spaces 3 are formed, where wires 7 and 8 of return winding pass, which are connected in such a way, that currents in them are directed oppositely. Whole magnetic system is placed on moveable assembly 1, and return winding on fixed base 14, to one end of return winding controlling voltage is connected, to another - loading resistor 10, connected to the ground. Relation of loading resistor 10 resistance to resistances of wires 7 and 8 of return winding is made accordingly to relation of difference between temperature resistance coefficient of return winding wires and temperature coefficient of magnetic induction to difference between temperature resistance coefficient of loading resistor and temperature coefficient of magnetic induction , where - temperature resistance coefficient of wires of return winding, - temperature coefficient of loading resistor, - temperature coefficient of magnetic induction, R - loading resistor 10 resistance, r - resistance of wires 7 and 8 of return winding.
EFFECT: higher precision.
2 dwg
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Authors
Dates
2004-12-10—Published
2003-03-21—Filed