Devices for Measuring Voltage of a Power Supply, Detection Devices, and Temperature Controllers

摘要

Disclosed are exemplary embodiments of devices for measuring voltage of a power supply. Also disclosed are exemplary embodiments of detection devices and temperature controllers comprising such devices for measuring voltage of a power supply. In exemplary embodiments, a device for measuring the voltage of a power supply generally includes a resistor, a capacitor, and a control unit. One end of the capacitor is connected with the resistor, while the other end of the capacitor is connected to ground. The control unit is connected with the power supply. The control unit includes a comparator connected with the capacitor, a reference power supply connected with the comparator, a timer, and a computing unit.

主权项

1. A device for measuring voltage of a power supply, the device comprising:
a resistor; a capacitor having a first end connected with the resistor and a second end connected to ground; and a control unit connected with the power supply, the control unit including a comparator connected with the capacitor, a reference power supply connected with the comparator, a timer, and a computing unit; wherein:
the timer is operable for measuring a time interval between the time when the voltage of the capacitor begins to discharge after being fully charged and the time when the voltage across the capacitor is equal to the voltage of the reference power supply; andthe computing unit is operable for calculating the voltage of the power supply based on the time interval, the voltage of the reference power supply, the resistance of the resistor, and the capacitance of the capacitor.