Controller for a heater and an associated method of use
First Claim
Patent Images
1. A controller for at least one heater comprising:
- a regulated voltage supply that is electrically connected to the at least one heater;
at least one temperature sensor located distal proximate to the at least one heater; and
at least one digital signal processor that is operatively connected to the at least one heater, the regulated voltage supply and the at least one temperature sensor for regulating temperature of the at least one heater based on feedback from the at least one temperature sensor.
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Abstract
A controller for at least one heater, which includes a regulated voltage supply that is electrically connected to the at least one heater, at least one sensor operatively associated with at least one heater, at least one digital signal processor that is operatively connected to the at least one heater utilized in an injection molding system, the regulated voltage supply and the sensor operatively associated with the at least one heater based on feedback from the at least one sensor.
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Citations
38 Claims
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1. A controller for at least one heater comprising:
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a regulated voltage supply that is electrically connected to the at least one heater;
at least one temperature sensor located distal proximate to the at least one heater; and
at least one digital signal processor that is operatively connected to the at least one heater, the regulated voltage supply and the at least one temperature sensor for regulating temperature of the at least one heater based on feedback from the at least one temperature sensor. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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17. A controller for at least one heater comprising:
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a regulated voltage supply that is electrically connected to the at least one heater;
at least one first sensor associated with the at least one heater from the group consisting of a temperature sensor located distal proximate to the at least one heater, a current sensor and a voltage sensor;
at least one second sensor associated with at least one heater from the group consisting of a material state change sensor, a pressure sensor, a resistance shift sensor, a capacitance sensor, an inductance sensor, a material phase change sensor, a permeability sensor, a density sensor, a viscosity sensor, a shear feedback sensor, a material flow sensor, a polymerization response sensor, a strain sensor, a stress sensor and a transformation function sensor; and
at least one digital signal processor that is operatively connected to the at least one heater, the regulated voltage supply, the at least one first sensor associated with the at least one heater and the at least one second sensor associated with the at least one heater. - View Dependent Claims (18, 19, 20, 21, 22, 23)
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24. A controller for at least one heater comprising:
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a regulated voltage supply that is electrically connected to the at least one heater;
at least one first sensor associated with the at least one heater from the group consisting of a temperature sensor located distal proximate to the at least one heater, a current sensor and a voltage sensor;
at least one second sensor associated with at least one heater from the group consisting of a material state change sensor, a pressure sensor, a resistance shift sensor, a capacitance sensor, an inductance sensor, a material phase change sensor, a permeability sensor, a density sensor, a viscosity sensor, a shear feedback sensor, a material flow sensor, a polymerization response sensor, a strain sensor, a stress sensor and a transformation function sensor;
at least one digital signal processor that is operatively connected to the at least one heater, the regulated voltage supply, the at least one first sensor associated with at least one heater and the at least one second sensor associated with at least one heater;
at least one output switching module electrically connected to the at least one heater and the regulated voltage supply, wherein the at least one output switching module varies at least one of voltage and frequency to the at least one heater through at least one of pulse width modulation and zero crossing detection;
at least one trigger control module that transmits command signals to the output switching module and the at least one trigger control module is electrically connected to the at least one digital signal processor and the regulated voltage supply; and
at least one controller interface that is electrically connected to the at least one digital signal processor.
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25. A method for controlling temperature of at least one heater comprising:
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receiving an input voltage with a regulated voltage supply that is electrically connected to the at least one heater;
obtaining at least one temperature value from at least one temperature sensor located distal proximate to the at least one heater; and
regulating temperature of the at least one heater with at least one digital signal processor that is operatively connected to the at least one heater, the regulated voltage supply and the at least one temperature sensor. - View Dependent Claims (26, 27, 28, 29, 30, 31, 32, 33)
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34. A method for controlling temperature of at least one heater comprising:
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receiving an input voltage with a regulated voltage supply that is electrically connected to the at least one heater;
obtaining at least one first input value from a first sensor associated with the at least one heater selected from the group consisting of a temperature sensor located distal proximate to the at least one heater, a current sensor and a voltage sensor;
obtaining at least one second input value from a second sensor associated with the at least one heater selected from the group consisting of a material state change sensor, a pressure sensor, a resistance shift sensor, a capacitance sensor, an inductance sensor, a material phase change sensor, a permeability sensor, a density sensor, a viscosity sensor, a shear feedback sensor, a material flow sensor, a polymerization response sensor, a strain sensor, a stress sensor and a transformation function sensor; and
regulating the at least one heater with at least one digital signal processor that is operatively connected to the at least one heater, the regulated voltage supply, the at least one first sensor and the at least one second sensor. - View Dependent Claims (35, 36, 37, 38)
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Specification