| 摘要 |
Steam-generating apparatus (1) and method for controlling same, wherein said steam-generating apparatus (1) comprises a water reservoir (5), a boiler (6) for generating steam, a sensor (14) connected to the boiler (6) for detecting the temperature of or pressure in the boiler (6), a pump (7) configured to pump water from the reservoir (5) to the boiler (6), and a controller (15) configured to receive a signal from the sensor (14) and to control operation of the pump (7) in dependence on said signal, the controller (15) is configured to determine an amount of water within the boiler (6) and to control the pump (7) to supply water to the boiler (6) when the determined amount of water is less than a predetermined value; moreover, said controller (15) is arranged to determine the amount of water by measuring at least one time interval needed for predetermined increase in temperature or pressure of the boiler (6) and to compare the measured time interval with a predetermined value. |
