| 摘要 |
FIELD: personal use articles.SUBSTANCE: invention relates to household appliances, in particular to bed warming systems. The bed warming system consists of two parallel-connected incandescent lamps mounted on the bottom of the heat box formed by the bed housing and an orthopaedic mattress, and enclosed in the grounded vertical cylindrical metal screens, with openings at the bottom and the upper openings closed with a thick metal mesh or steel "fur" fixed on the bottom of the box, a signal pad of natural wool fabric soaked with clay, two pads of felt connected to each other with a narrow gap, a temperature limit switch, a thyristor controller of temperature and shielded supply wires with grounded screens, and between a person located on a mattress, and electrical elements of the system there is an air gap.EFFECT: simplification of the device of bed warming.3 dwg |
