METHOD FOR CONTROLLING COMBUSTION IN A GAS OR OIL BURNER

摘要

The invention relates to a method for controlling air-ratio-controlled combustion in a gas or oil burner. Such burners are commonly installed in heating appliances or heating tanks and are used, for example, to generate heat for residential heating and hot water. The aim of the invention is to provide a method for controlling combustion in a gas or oil burner, allowing air-ratio control over a wide power modulation range on the basis of existing characteristic maps. Sufficiently precise determination of the burner load is sought in particular, on the basis of which the use of the characteristic maps is made possible. The method should be carried out using simple and robust burner components. The method according to the invention for controlling combustion in a gas or oil burner is characterized by the steps of imposing at least one temporary change to the combustion air, fuel, or mixture flow; detecting at least one response signal associated with the change, measuring a time period between said change and the response signal, or between a first and second response signal; and controlling the combustion as a function of the measured time period and with respect to a target combustion value.