Power control module for electrical appliances
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H05B-003/68
H05B-001/02
출원번호
US-0548396
(2006-10-11)
등록번호
US-7420142
(2008-09-02)
발명자
/ 주소
Barrena,Juan
Larson,Eric K.
Gill,David
출원인 / 주소
Illinois Tool Works, Inc
대리인 / 주소
Boyle Fredrickson, S.C.
인용정보
피인용 횟수 :
12인용 특허 :
25
초록▼
A power module to regulate delivery of power to one or more loads is disclosed. The module includes a logic circuit configured to generate one or more control signals indicative of the power level to be applied from an external power supply coupled to the power module to the one or more loads, an el
A power module to regulate delivery of power to one or more loads is disclosed. The module includes a logic circuit configured to generate one or more control signals indicative of the power level to be applied from an external power supply coupled to the power module to the one or more loads, an electromechanical device configured to electrically connect the external power supply to the one or more loads based on the one or more control signals from the logic circuit, a user-controlled circuit configured to provide a signal indicative of a power level to deliver to the one or more loads, the signal is based on input received from a user-controlled actuator configured to be placed in one of a plurality of positions corresponding to user-provided input, and a housing configured to receive the electromechanical device.
대표청구항▼
What is claimed is: 1. A power module to regulate delivery of power to one or more loads, the module comprising: a logic circuit configured to generate one or more control signals indicative of the power level to be applied from an external power supply coupled to the power module to the one or mor
What is claimed is: 1. A power module to regulate delivery of power to one or more loads, the module comprising: a logic circuit configured to generate one or more control signals indicative of the power level to be applied from an external power supply coupled to the power module to the one or more loads; an electromechanical device configured to electrically connect the external power supply to the one or more loads based on the one or more control signals from the logic circuit; a user-controlled circuit configured to provide a signal indicative of a power level to deliver to the one or more loads, the signal is based on input received from a user-controlled actuator configured to be placed in one of a plurality of positions corresponding to user-provided input; at least one electrical contact communicating with the user controlled actuator to interrupt power to the one or more loads when the user-controlled actuator is in a power off position in which the signal from the user-controlled circuit also causes the logic circuit to produce a control signal causing the electromechanical device to disconnect external power supply from the one or more loads; a housing configured to receive the electromechanical device, the user-controlled circuit, and the at least one electrical contact. 2. The power module of claim 1, wherein the electromechanical device includes a relay. 3. The power module of claim 2, wherein the relay comprises: a metal strip configured to be displaced from a first open position to a second closed position in which the external power source is electrically connected to the one or more loads; and a solenoid configured to cause the metal strip to be displaced from the first position to the second position when the solenoid is activated. 4. The power module of claim 1, wherein the housing is constructed from electrically insulating materials. 5. The power module of claim 1, wherein the user-controlled circuit includes a switch having a plurality of positions that are each associated with a different power setting to control the logic circuit. 6. The power module of claim 5, wherein the switch includes an encoder configured to produce an input signal to control the logic circuit based on the position of the user-controlled actuator. 7. The power module of claim 5, wherein the switch includes a multi-position switch connected to a series of resistors to provide discrete resistance steps relative to the angular position of the multi-position switch. 8. The power module of claim 1, further comprising a DC power supply circuit configured to provide DC current to at least one of: the logic circuit, and the electromechanical device. 9. The power module of claim 8, wherein the DC power supply circuit is a non-transformer based power supply circuit. 10. The power module of claim 9, wherein the non-transformer based DC power supply circuit includes at least one of a diode, a capacitor, and a resistor. 11. The power module of claim 8, wherein at least one of the DC power supply and the logic circuit are disposed on a circuit board, and wherein the circuit board is mounted onto the housing. 12. The power module of claim 1, wherein the power module is configured to be connected to apply power to at least two loads. 13. The power module of claim 12, wherein the power module is configured to control the power applied by the power supply circuit to the at least two loads independently. 14. The power module of claim 1, wherein each position of the user-controlled circuit is associated with a corresponding duty cycle, each corresponding duty cycle causing the electromechanical device to apply power for a duration determined by the corresponding duty cycle. 15. The power module of claim 1, wherein the logic circuit includes logic configured to generate the one or more control signals indicative of a duty cycle based on user-provided input, the logic including: an input to receive a profile selection signal; and a data memory for profiles, each profile defining an association between input signals and output signals, and in which the logic uses the profile selection signal to select one of the profiles, the input signals being the same for each profile; wherein the electromechanical device connects the external power supply to the one or more loads based on the output signals generated by the logic. 16. The power module of claim 1, further comprising a zero crossing detection circuit configured to receive AC power from the external power supply and generate a signal indicative of the zero crossing of the AC power. 17. An electric appliance comprising: one or more loads; at least one power module electrically coupled to the one or more loads, each of the at least one power module comprising: a logic circuit configured to generate one or more control signals indicative of the power level to be applied from an external power supply coupled to the power module to the one or more loads; an electromechanical device configured to electrically connect the external power supply to the one or more loads based on the one or more control signals from the logic circuit; a user-controlled circuit configured to provide a signal indicative of a power level to deliver to the one or more loads, the signal is based on input received from a user-controlled actuator configured to be placed in one of a plurality of positions corresponding to user-provided input; and a housing configured to receive the electromechanical device, wherein the logic circuit includes logic configured to generate the one or more control signals indicative of a duty cycle based on user-provided input, the logic including: an input to receive a profile selection signal; and a data memory for profiles, each profile defining an association between input signals and output signals, and in which the logic uses the profile selection signal to select one of the profiles, the input signals being the same for each profile; wherein the electromechanical device connects the external power supply to the one or more loads based on the output signals generated by the logic. 18. The electric appliance of claim 17, wherein the electromechanical device includes a relay. 19. The electric appliance of claim 18, wherein the relay comprises: a metal strip configured to be displaced from a first open position to a second closed position in which the external power source is electrically connected to the one or more loads; and a solenoid configured to cause the metal strip to be displaced from the first position to the second position when the solenoid is activated. 20. The electric appliance of claim 17, wherein the housing is constructed from electrically insulating materials. 21. The electric appliance of claim 17, wherein the user-controlled circuit includes a switch having a plurality of positions that are each associated with a different power setting to control the logic circuit. 22. The electric appliance of claim 17, further comprising the user-controlled actuator and including a shaft having one end coupled to the user-controlled circuit. 23. The electric appliance of claim 17, further comprising a DC power supply circuit configured to provide DC current to at least one of: the logic circuit, and the electromechanical device. 24. The electric appliance of claim 23, wherein the DC power supply circuit is a non-transformer based power supply circuit. 25. The electric appliance of claim 24, wherein the non-transformer based DC power supply circuit includes at least one of a diode, a capacitor, and a resistor. 26. The electric appliance of claim 17, wherein one of the at least one power module is connected to apply power to at least two loads. 27. The electric appliance of claim 26, wherein the one of the at least one power module is configured to control the power applied by the power supply circuit to the at least two loads independently. 28. The electric appliance of claim 17, wherein each position of the user-controlled circuit is associated with a corresponding duty cycle, each corresponding duty cycle causing the electromechanical device to apply power for a duration determined by the corresponding duty cycle. 29. The electric appliance of claim 17, wherein the electric appliance is a cooking range top, and wherein each of the one or more loads is a heating element. 30. The electric appliance of claim 17, wherein the electric appliance is a heating device that includes at least one of warming displays cases, ovens, and warming cartridges, and wherein each of the one or more loads is a heating element.
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이 특허에 인용된 특허 (25)
Obermann George (Niles) Tuma Paul H. (Lombard) Joyce Ronald S. (Elk Grove Village IL), Adjustable cycling switch for electric range.
Wellman ; Jr. Carl E. (Louisville KY) Hornung Richard E. (Louisville KY), Ground fault protective system requiring reduced current-interrupting capability.
Minnear William ; O'Neill John ; Tatarian Chris ; Pettibone Don, Oven and method of cooking therewith by detecting and compensating for variations in line voltage.
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