Controller for at least one heater utilized in a hot runner injection molding system and an associated method of use
First Claim
1. A method for controlling temperature of at least one heater utilized in a hot runner injection molding system, the method comprising:
- receiving an input voltage with a regulated voltage supply that is electrically connected to the at least one heater utilized in the hot runner injection molding system;
obtaining at least one temperature value from at least one temperature sensor being positioned relative to the at least one heater utilized in the hot runner injection molding system; and
regulating temperature of the at least one heater utilized in the hot runner injection molding system with at least one digital signal processor that is operatively connected to the at least one heater utilized in the hot runner injection molding system, the at least one digital signal processor being configured to connect with the at least one temperature sensor, and being configured to connect with the regulated voltage supply,wherein regulating temperature of the at least one heater is based on feedback being received from the at least one temperature sensor,increasing reliability of the at least one heater with the at least one digital signal processor by;
(i) increasing a duty cycle associated with the at least one heater, the duty cycle being a ratio of active time that the at least one heater is on to a total time that the at least one heater is on and off, and(ii) reducing a temperature excursion associated with the duty cycle of the at least one heater.
3 Assignments
0 Petitions
Accused Products
Abstract
A controller for at least one heater utilized in a hot runner injection molding system, which includes a regulated voltage supply that is electrically connected to the at least one heater utilized in a hot runner injection molding system, at least one sensor operatively associated with at least one heater and utilized in a hot runner injection molding system, at least one digital signal processor that is operatively connected to the at least one heater utilized in a hot runner injection molding system, the regulated voltage supply and the sensor operatively associated with the at least one heater utilized in a hot runner injection molding system based on feedback from the at least one sensor.
33 Citations
14 Claims
-
1. A method for controlling temperature of at least one heater utilized in a hot runner injection molding system, the method comprising:
-
receiving an input voltage with a regulated voltage supply that is electrically connected to the at least one heater utilized in the hot runner injection molding system; obtaining at least one temperature value from at least one temperature sensor being positioned relative to the at least one heater utilized in the hot runner injection molding system; and regulating temperature of the at least one heater utilized in the hot runner injection molding system with at least one digital signal processor that is operatively connected to the at least one heater utilized in the hot runner injection molding system, the at least one digital signal processor being configured to connect with the at least one temperature sensor, and being configured to connect with the regulated voltage supply, wherein regulating temperature of the at least one heater is based on feedback being received from the at least one temperature sensor, increasing reliability of the at least one heater with the at least one digital signal processor by; (i) increasing a duty cycle associated with the at least one heater, the duty cycle being a ratio of active time that the at least one heater is on to a total time that the at least one heater is on and off, and (ii) reducing a temperature excursion associated with the duty cycle of the at least one heater. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
-
-
10. A method for controlling temperature of at least one heater utilized in a hot runner injection molding system, the method comprising:
-
receiving an input voltage with a regulated voltage supply that is electrically connected to the at least one heater utilized in the hot runner injection molding system; obtaining at least one first input value from a first sensor selected from the group consisting of a temperature sensor being positioned relative to the at least one heater utilized in the hot runner injection molding system, a current sensor utilized in the hot runner injection molding system and a voltage sensor utilized in the hot runner injection molding system; obtaining at least one second input value from a second sensor 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 hot runner injection molding system with at least one digital signal processor that is operatively connected to the at least one heater utilized in the hot runner injection molding system, the regulated voltage supply, the first sensor and the second sensors, regulating temperature of the at least one heater with the at least one digital signal processor is based on feedback being received from the first sensor and the second sensor, increasing reliability of the at least one heater with wherein the at least one digital signal processor by; (i) increasing a duty cycle associated with the at east one heater, the duty cycle being a ratio of active time that the at least one heater is on to a total time that the at least one heater is on and off, and (ii) reducing a temperature excursion associated with the duty cycle of the at least one heater. - View Dependent Claims (11, 12, 13, 14)
-
Specification