Novel aluminium base matrix piece based on multi -point temperature measurement
The utility model belongs to the technical field of the electric automobile controller, concretely relates to novel aluminium base matrix piece based on multi -point temperature measurement, including the control unit, aluminium base board, the power tube, the power tube set up in on the circuit boa...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The utility model belongs to the technical field of the electric automobile controller, concretely relates to novel aluminium base matrix piece based on multi -point temperature measurement, including the control unit, aluminium base board, the power tube, the power tube set up in on the circuit board, the circuit board includes bridge arm circuit board and lower bridge arm circuit board, just last bridge arm circuit board all install thermistor down in the bridge arm circuit board, through the design that increases a plurality of NTC thermistor, adopt multiple spot measure the temperature's method, when certain some temperature overshoot threshold value of aluminium base board, realized among the the control unit that MCU can both in time make the function of adjustment, can not lead to simultaneously the power tube to puncture because the the local temperature of aluminium base board is too high, avoid the appearance that burns out the device phenomenon to reach the cost -effective mesh of saving time, cons |
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