| 摘要 |
A heating apparatus includes a portable battery, a controller connected to the portable battery, and a heating module connected to the controller. The controller is provided with a software program that previously detects the voltage variation of the portable battery to change the on/off percentage of the duty cycle of the portable battery and to regulate the output current of the portable battery according to the preset temperature and the detected voltage variation of the portable battery, so that the input current of the heating module is kept at a constant value, and the temperature of the heating module of the heating apparatus is kept at a constant value of the preset temperature at any time.
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