Modular control system and method for a water heater
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
G06F-013/00
F24H-009/20
출원번호
US-0611233
(2009-11-03)
등록번호
US-8977791
(2015-03-10)
발명자
/ 주소
Phillips, Terry G.
Patterson, Wade C.
출원인 / 주소
A. O. Smith Corporation
대리인 / 주소
Michael Best & Friedrich LLP
인용정보
피인용 횟수 :
0인용 특허 :
57
초록▼
A water heater having a modular control system. The water heater includes a tank, a heating element, a first controller, and a second controller. The heating element is coupled to the tank. The first controller is supported by the tank and includes a housing, a first communication port, a processor,
A water heater having a modular control system. The water heater includes a tank, a heating element, a first controller, and a second controller. The heating element is coupled to the tank. The first controller is supported by the tank and includes a housing, a first communication port, a processor, and a first memory storing executable instructions that are executed by the processor. The first controller determines whether the first controller is connected to the second controller through the communication port. The first controller controls an operation of the water heater according to a first algorithm when the first controller is not connected to the second controller. The operation of the water heater is controlled based on an algorithm stored on the second controller when the first controller is connected to the second controller.
대표청구항▼
1. A water heater comprising: a tank;a heating element coupled to the tank;a first controller supported by the tank, the first controller including a first housing, a first communication port, a processor, and a first memory storing executable instructions that, when executed by the processor, cause
1. A water heater comprising: a tank;a heating element coupled to the tank;a first controller supported by the tank, the first controller including a first housing, a first communication port, a processor, and a first memory storing executable instructions that, when executed by the processor, cause the first controller to: determine whether the first controller is connected to a second controller through the first communication port, andcontrol an operation of the water heater according to a first algorithm when the first controller is not connected to the second controller; andthe second controller including a second communication port and a second memory storing executable instructions for controlling the operation of the water heater based on a second algorithm,wherein the operation of the water heater is controlled based on the second algorithm when the first controller is connected to the second controller through the first communication port and the second communication port. 2. The water heater according to claim 1, wherein the second communication port is selectively coupled to the first communication port, and wherein the second controller is supported by the tank when the second communication port is coupled to the first communication port. 3. The water heater according to claim 1, wherein the second controller is located at a location remote from the tank. 4. The water heater according to claim 1, wherein the second controller further includes a second processor, and wherein the operation of the water heater is controlled based on the second algorithm by executing the executable instructions stored on the second memory with the second processor. 5. The water heater according to claim 1, wherein the operation of the water heater includes controlling the heating element. 6. The water heater according to claim 1, wherein the operation of the water heater includes determining a temperature set point for the water heater. 7. The water heater according to claim 1, wherein the second controller includes a second output device coupled to the second controller that provides information to the user about the water in the tank according to the second algorithm. 8. The water heater according to claim 7, wherein the second output device conveys textual information, and wherein the first controller includes a first output device that is not capable of textual output. 9. The water heater according to claim 7, wherein the second output device conveys graphical information, and wherein the first controller includes a first output device that is not capable of graphical output. 10. The water heater according to claim 1, wherein the first controller operates the heating element according to a user-specified temperature set point when the second controller is not connected. 11. The water heater according to claim 10, wherein the second controller, when connected to the first controller through the first communication port, automatically tracks usage of the heating element to determine a usage history of the heating element, wherein the second algorithm controls the heating element based on the usage history. 12. A modular control system for a water heater that includes a tank, a heating element, and one or more temperature sensors, the modular control system comprising: a first controller including a communication port and control logic that controls one or more operations of the water heater according to a first algorithm, the first controller providing control signals to the heating element and receiving temperature data from the one or more temperature sensors; anda second controller that is selectively connectable to the communication port of the first controller and, when connected, provides additional functionality not enabled by the first controller. 13. The modular control system of claim 12, wherein the first controller controls the heating element according to a user specified set point when the second controller is not connected. 14. The modular control system of claim 13, wherein the second controller, when connected to the first communication port, automatically tracks usage of the heating element to determine a usage history of the heating element. 15. The modular control system of claim 14, wherein the second controller, when connected to the first communication port, determines a set point temperature based on the usage history and controls the heating element according to the determined set point temperature. 16. The modular control system of claim 14, wherein the first controller does not execute the first algorithm when the second controller is connected to the communication port. 17. The modular control system of claim 12, wherein the second controller includes a graphical user display, and wherein the second controller, when connected to the communication port, provides information about water in the tank to the graphical user display. 18. A water heater comprising: a tank;a heating element coupled to the tank;a first controller supported by the tank, the first controller including a first housing, a first communication port, a processor, and a first memory storing executable instructions that, when executed by the processor, cause the water heater to: determine whether the first controller is connected to a second controller through the first communication port,control an operation of the water heater according to a first algorithm when the first controller is not connected to the second controller, andcontrol the operation of the water heater according to a second algorithm based on signals received from the second controller through the first communication port when the first controller is connected to the second controller. 19. The water heater according to claim 18, wherein the second controller is supported by the tank when the second controller is connected to the first communication port. 20. The water heater according to claim 18, wherein the second controller is located at a location remote from the tank. 21. The water heater according to claim 18, wherein signals received from the second controller through the first communication port when the first controller is connected to the second controller include computer executable instructions stored on a second memory. 22. The water heater according to claim 18, wherein the operation of the water heater includes controlling the heating element. 23. The water heater according to claim 18, wherein the operation of the water heater includes a temperature set point for the water heater. 24. The water heater according to claim 18, wherein the first controller operates the heating element according to a user-specified temperature set point according to the first algorithm. 25. The water heater according to claim 24, wherein the second controller, when connected to the first controller through the first communication port, automatically tracks usage of the heating element to determine a usage history of the heating element, wherein the second algorithm controls the heating element based on the usage history. 26. The water heater according to claim 1, wherein the executable instructions, when executed by the processor, further cause the first controller to control a second operation of the water heater according to the first algorithm, and wherein the first controller continues to control the second operation of the water heater according to the first algorithm when the first controller is connected to the second controller through the first communication port and the second communication port. 27. The modular control system of claim 12, wherein the first controller further controls a second operation according to the first algorithm when the second controller is connected to the communication port of the first controller and when the second controller is not connected. 28. The water heater according to claim 18, wherein the executable instructions, when executed by the processor, further cause the water heater to control a second operation according to the first algorithm when the first controller is connected to the second controller and when the first controller is not connected to the second controller.
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