SYSTEM FOR MEASURING MOTOR TEMPERATURE
A system for measuring temperature in an electric motor, including a stator with field windings in the electric motor and a circuit board proximate to the field windings. The system further includes one or more thermo-electric temperature responsive devices. The thermo-electric temperature devices are mountable onto a surface of the circuit board facing the field windings. The system further includes a thermally conductive, but non-electrically conductive material, connecting the one or more thermo-electric devices to the stator windings.
1 . A system for measuring temperature in an electric motor, comprising:
a stator with field windings in the electric motor;
a circuit board proximate to the field windings;
one or more thermo-electric temperature responsive devices mounted on a surface of the circuit board facing the field windings; and
a thermally conductive, non-electrically conductive material connecting the one or more thermo-electric devices to the stator windings.
2 . The system according to claim 1 , wherein the field windings of the stator are tightly wound.
3 . The system according to claim 1 , wherein the circuit board is a printed circuit board.
4 . The system according to claim 1 , wherein the thermo-electric temperature measurement device is electrically insulated.
5 . The system according to claim 1 , wherein the thermo-electric temperature measurement device is platinum.
6 . The system according to claim 1 , wherein the thermo-electric temperature measurement device has a resistance of 100-1000Ω at 0° C.
7 . The system according to claim 1 , wherein the thermo-electric temperature measurement device is an avalanche thermistor sensor.
8 . The system according to claim 1 , wherein the thermo-electric temperature measurement device is a bimetallic relays switching device.
9 . The system according to claim 1 , wherein the thermo-electric temperature measurement device is a linear resistive thermal device.
10 . The system according to claim 1 , wherein the thermally conductive material is an adhesive, epoxy, grease, or paste.
11 . The system according to claim 1 , wherein the thermally conductive material is a thermal pad, sheet, or foam.