A LEVEL MEASUREMENT SYSTEM FOR CONDUCTIVE LIQUIDS

摘要

A level measurement system for conductive liquids including a liquid container (10) and at least three electrodes (18, 20, 22) arranged inside the liquid container (10) at different levels. The electrodes (18, 20, 22) are connected to a network including a plurality of resistor elements (R, R1, R2, R3, RP1, RP2, RR1, RR2). The network includes at least two input terminals (V+, GND) for applying an external voltage and at least two output terminals providing a voltage depending on the level of the conductive liquid in the liquid container (10). The level measurement system is provided for detecting at least three different levels of conductive liquids in the liquid container (10) and indicating the levels by one voltage value. The level measurement system may be used for water in a storage container such as in a domestic appliance having a liquid container for supplying the domestic appliance with liquid.

主权项

1. A level measurement system for conductive liquids including a liquid container (10) and at least three electrodes (18, 20, 22) arranged inside the liquid container (10) at different levels, wherein
the electrodes (18, 20, 22) are connected to a network comprising a plurality of resistor elements (R, R1, R2, R3, RP1, RP2, RR1, RR2), the network comprises at least two input terminals (V+, GND) for applying an external voltage, and the network comprises at least two output terminals providing a voltage depending on the level of the conductive liquid in the liquid container (10), so that the level measurement system is provided for detecting at least three different levels of conductive liquids in the liquid container (10) and indicating said levels by one voltage value.