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US 10,768,036 B2Granted
Method for detecting a level of a melt, method for detecting a thickness of a casting powder, detector and detector system
AssigneeBerthold Technologies GmbH & Co. KG
InventorAlbert Roedfalk
Life of this patent
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Abstract
A method detects a level of a melt contained by an oscillating mold. The method includes a) sensing radiation interacted with the melt and generating from the sensed radiation radiation signals, such that the generated radiation signals are varied by the mold oscillation, b) determining a radiation signal variation of the generated radiation signals, c) determining an oscillation deflection variation of the oscillating mold, and d) determining from the determined oscillation deflection variation and the determined radiation signal variation, the level of the melt.
Claims18
A method for detecting a level of a melt contained by an oscillating mold, wherein the method comprises the steps of:
- a) sensing radiation interacted with the melt and generating radiation signals from the sensed radiation, such that the generated radiation signals are varied by the mold oscillation;
- b) determining a radiation signal variation of the generated radiation signals;
- c) determining, using an inertial sensor and/or an accelerometer, an oscillation deflection variation of the oscillating mold;
- and
- d) determining, from the determined oscillation deflection variation and the determined radiation signal variation, the level of the melt.
2 more elements
A method for detecting a level of a melt contained by an oscillating mold, wherein the method comprises the steps of:
- a) sensing radiation interacted with the melt and generating radiation signals from the sensed radiation, such that the generated radiation signals are varied by the mold oscillation;
- b) determining a radiation signal variation of the generated radiation signals;
- c) determining an oscillation deflection variation of the oscillating mold;
- and
- d) determining, from the determined oscillation deflection variation and the determined radiation signal variation, the level of the melt,
- wherein
- the mold is oscillated with a frequency, and
- in step b), the radiation signal variation is determined by frequency analysis of the generated radiation signals.
5 more elements
A method for detecting a level of a melt contained by an oscillating mold, wherein the method comprises the steps of:
- a) sensing radiation interacted with the melt and generating radiation signals from the sensed radiation, such that the generated radiation signals are varied by the mold oscillation;
- b) determining a radiation signal variation of the generated radiation signals;
- c) determining an oscillation deflection variation of the oscillating mold;
- and
- d) determining, from the determined oscillation deflection variation and the determined radiation signal variation, the level of the melt,
- wherein step d) further comprises:
- determining a slope from the determined oscillation deflection variation over the determined radiation signal variation and determining from the determined slope the level of the melt.
4 more elements
A method for detecting a level of a melt contained by an oscillating mold, wherein the method comprises the steps of:
- a) sensing radiation interacted with the melt and generating radiation signals from the sensed radiation, such that the generated radiation signals are varied by the mold oscillation;
- b) determining a radiation signal variation of the generated radiation signals;
- c) determining an oscillation deflection variation of the oscillating mold;
- and
- d) determining, from the determined oscillation deflection variation and the determined radiation signal variation, the level of the melt,
- wherein the method further comprises the step of:
- determining extreme radiation signals and/or a mean radiation signal of the generated radiation signals, and
- in step d), the level of the melt is determined from the determined radiation signal variation at the determined extreme radiation signals and/or at the determined mean radiation signal.
5 more elements
A method for detecting a thickness of a casting powder on a melt contained by an oscillating mold, wherein the method comprises the steps of:
- a) sensing radiation interacted with the melt and generating radiation signals from the sensed radiation, such that the generated radiation signals are varied by the mold oscillation;
- b) determining a radiation signal variation of the generated radiation signals;
- c) determining an oscillation deflection variation of the oscillating mold;
- and
- d) determining, from the determined oscillation deflection variation and the determined radiation signal variation, the level of the melt;
- determining, from the determined oscillation deflection variation and the determined radiation signal variation, the thickness of the casting powder.
3 more elements
A detector for detecting a level of a melt contained by an oscillating mold, wherein the detector comprises:
- a radiation sensing and radiation signal generating device, which is adapted to sense radiation interacted with the melt and to generate radiation signals from the sensed radiation, such that the generated radiation signals are varied by the mold oscillation;
- a radiation signal variation determining device, which is adapted to determine a radiation signal variation of the generated radiation signals;
- an oscillation deflection variation determining device, which is adapted to determine an oscillation deflection variation of the oscillating mold;
- and
- a level determining device, which is adapted to:
- determine from the determined oscillation deflection variation and the determined radiation signal variation, the level of the melt, and
- to determine from the determined oscillation deflection variation and the determined radiation signal variation, the thickness of the casting powder.
4 more elements
A detector for detecting a level of a melt contained by an oscillating mold, wherein the detector comprises:
- a radiation sensing and radiation signal generating device, which is adapted to sense radiation interacted with the melt and to generate radiation signals from the sensed radiation, such that the generated radiation signals are varied by the mold oscillation;
- a radiation signal variation determining device, which is adapted to determine a radiation signal variation of the generated radiation signals;
- an oscillation deflection variation determining device, which is adapted to determine an oscillation deflection variation of the oscillating mold;
- and
- a level determining device, which is adapted to determine from the determined oscillation deflection variation and the determined radiation signal variation, the level of the melt,
- wherein
- the oscillation deflection variation determining device comprises an inertial sensor and/or an accelerometer, which are/is adapted to determine the oscillation deflection variation of the oscillating mold.
4 more elements
A detector for detecting a level of a melt contained by an oscillating mold, wherein the detector comprises:
- a radiation sensing and radiation signal generating device, which is adapted to sense radiation interacted with the melt and to generate radiation signals from the sensed radiation, such that the generated radiation signals are varied by the mold oscillation;
- a radiation signal variation determining device, which is adapted to determine a radiation signal variation of the generated radiation signals;
- an oscillation deflection variation determining device, which is adapted to determine an oscillation deflection variation of the oscillating mold;
- and
- a level determining device, which is adapted to determine from the determined oscillation deflection variation and the determined radiation signal variation, the level of the melt, wherein
- the mold is oscillated with a frequency, and
- the radiation signal variation is determined by frequency analysis of the generated radiation signals.
4 more elements
A detector for detecting a level of a melt contained by an oscillating mold, wherein the detector comprises:
- a radiation sensing and radiation signal generating device, which is adapted to sense radiation interacted with the melt and to generate radiation signals from the sensed radiation, such that the generated radiation signals are varied by the mold oscillation;
- a radiation signal variation determining device, which is adapted to determine a radiation signal variation of the generated radiation signals;
- an oscillation deflection variation determining device, which is adapted to determine an oscillation deflection variation of the oscillating mold;
- and
- a level determining device, which is adapted to:
- determine from the determined oscillation deflection variation and the determined radiation signal variation, the level of the melt,
- determine a slope from the determined oscillation deflection variation over the determined radiation signal variation, and
- determine from the determined slope the level of the melt.
5 more elements
A detector for detecting a level of a melt contained by an oscillating mold, wherein the detector comprises:
- a radiation sensing and radiation signal generating device, which is adapted to sense radiation interacted with the melt and to generate radiation signals from the sensed radiation, such that the generated radiation signals are varied by the mold oscillation;
- a radiation signal variation determining device, which is adapted to determine a radiation signal variation of the generated radiation signals;
- an oscillation deflection variation determining device, which is adapted to determine an oscillation deflection variation of the oscillating mold;
- and
- a level determining device, which is adapted to determine from the determined oscillation deflection variation and the determined radiation signal variation, the level of the melt, wherein
- the radiation signal variation determining device is further adapted to determine extreme radiation signals and/or a mean radiation signal of the generated radiation signals, and
- the level of the melt is determined from the determined radiation signal variation at the determined extreme radiation signals and/or at the determined mean radiation signal.
4 more elements
Dependencies are inferred from the claim text.