| 摘要 |
<p>The invention relates to an electric slab heating device (2) for heating a premises (3) by radiation, said heating device (1) comprising said slab (2) and an array (6) of electric heating cables (7) built into said slab (2), characterized in that said array (6) includes at least one central area (61) and at least one peripheral area (62) at least partially surrounding said central area (61), said electric heating cables (7) being arranged such that the density of electric heating cables (7) in said peripheral area (62) is different from the density of said electric heating cables (7) in the central area (61).</p> |
