Household appliances |
 Even household appliances require the use of displacement measurement technology. In this context, sensors are frequently used for increasing the ease of use with respect to the efficiency. Displacement and temperature measurement optimizes various processes for the optimization of the efficiency of various appliances. A well-known example is the load detection of washing machines which the metering of the detergent is based on. |
Load detection in washing machines With modern washing machines, energy efficiency and environmental protection are becoming increasingly important. In order to achieve optimum results, the load must be measured before the washing starts. This load measurement enables an optimum and maximum load for the machine to be determined, as well as the appropriate dosage of detergent. This reduces operating costs, while also protecting the environment. A direct weight measurement using e.g. load cells is expensive. An indirect measurement of the damper displacement is much more cost effective. Micro-Epsilon offers low cost solutions for displacement measurement in high volume production, namely the magneto-inductive MDS-40-LP-F displacement sensor, which is directly integrated in the damper. Sensor technology applied |
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Defect recognition on worktops Kitchen worktops are now made from a variety of materials, e.g. natural or artificial stone, solid wood and laminate (e.g. HPL). All these materials offer benefits and have special characteristics. However, a defect-free surface finish and perfect edges are critical production factors. The example above is a so-called laminate worktop with a stone decor. As the cutting edge of this top is rough and unclear, it is covered with sidebars. Foreign bodies, uneven distribution of the adhesive or unevenness when closing may produce open joints between the top material and the sidebars. The scanCONTROL 2910-25 laser profile scanner is used to inspect if any open joints are present. Sensor technology applied |
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Color detection of kitchen fronts Kitchens are available in many different colors. In order to guarantee that the customer receives the desired color, the colorSENSOR OT-3-MA-30-16 inspects the color of the kitchen fronts in the painting plant. Sensor technology applied |
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Displacement sensor for washing machines When the washing machine is loaded, the displacement sensor DRA measures how much the outer drum drops. It also measures the drum’s deflection during spin-drying. Due to the inductive measurement principle, the sensor provides absolute position measuring for static and dynamic processes. Operation and the washing result are optimized by the load measurement. The displacement sensor provides an output signal proportional to the weight. This permits full utilization of the drum volume and helps to determine the required amount of detergent. Sensor technology applied |
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Washing machine displacement Using an inductive displacement sensor, the displacement of the suds container during filling and the spinning stage can be calculated. The correct quantity of detergent can be calculated with the data obtained in this way. The speed for the spinning process is adapted in accordance with the displacement. The sensor is integrated in a friction damper using the measurement reducing VIP principle. Sensor technology applied |
