Control circuitry for stabilising a DC voltage outputted by an external DC power supply against changes in ambient temperature

摘要

Control circuitry for stabilizing a DC voltage outputted by a DC power supply against changes in ambient temperature. The control circuitry includes: measurement circuitry configured to output a measurement voltage representative of a DC voltage outputted by a DC power supply; reference circuitry configured to output a reference voltage; and comparison circuitry configured to compare the measurement voltage with the reference voltage and, based on the comparison, output a control signal for controlling the DC voltage outputted by the DC power supply. At least one temperature-sensitive component of the control circuitry is located in an enclosure configured to maintain a substantially constant temperature within the enclosure.

主权项

1. A control module for stabilising a DC voltage outputted by an external DC power supply against changes in ambient temperature, wherein the control module includes control circuitry and an enclosure configured to maintain a substantially constant temperature within the enclosure;
wherein the external DC power supply includes its own control circuitry for stabilising the DC voltage outputted by the external DC power supply, the control circuitry included in the external DC power supply having measurement circuitry, reference circuitry and comparison circuitry; wherein the control circuitry included in the control module is additional to and configured to work alongside and influence the control circuitry in the external DC power supply, wherein the control circuitry included in the control module includes:
measurement circuitry configured to output a measurement voltage representative of the DC voltage outputted by the external DC power supply;reference circuitry configured to output a reference voltage; andcomparison circuitry configured to compare the measurement voltage with the reference voltage and, based on the comparison, output a control signal for controlling the DC voltage outputted by the external DC power supply; wherein at least one temperature-sensitive component of the control circuitry included in the control module is located in the enclosure configured to maintain a substantially constant temperature within the enclosure.