DISTRIBUTED NETWORKED THERMOSTAT SYSTEM AND METHOD

• US 20120298763A1
• Filed: 05/26/2011
• Published: 11/29/2012
• Est. Priority Date: 05/26/2011
• Status: Abandoned Application

• Current Assignee: Digi International Inc.
• Original Assignee: Digi International Inc.
• Inventors: Young, Joel K.
• Application Number:
  US13/116,800
• Publication Number:
  US 20120298763A1
• Time in Patent Office: Days
• US Class Current: 236/51
• CPC Class Codes: F24F 11/30 for purposes related to the operation of the system, e.g. for safety or monitoring
• CPC Class Codes: F24F 11/56 Remote control
• CPC Class Codes: F24F 11/74 for controlling air flow rate or air velocity
• CPC Class Codes: G05D 23/1905 associated with tele control

Abstract

Various embodiments include methods and systems for a distributed networked device controller such as a thermostat.

Claims

1. In a heating, ventilation and air conditioning (HVAC) system, a method for controlling a thermostat, wherein the thermostat includes a thermostat control module connected across a first network to a thermostat module, the method comprising:

receiving, at a server located at a location remote from the thermostat, programming instructions for the thermostat;

executing the programming instructions from within an application executing on the server in order to create schedule logic;

transmitting the schedule logic from the server across a communication network to a thermostat controller module;

transmitting a new temperature value from the thermostat controller module to the thermostat module when indicated by the schedule logic;

receiving the new temperature value at the thermostat module;

replacing a current set temperature in the thermostat module with the new temperature value;

sensing, at the thermostat module, a sensed temperature; and

modifying operation of the HVAC system as a function of the sensed temperature and the new current set temperature.

2. The method of claim 1, wherein receiving programming instructions for a thermostat includes executing an application on a smart phone that communicates over a communication network with the server, wherein the application provides a user interface for entering programming instructions for the thermostat.

3. The method of claim 1, wherein receiving programming instructions for a thermostat includes executing an application on a computer that communicates over a communication network with the server, wherein the application provides a user interface for entering programming instructions for the thermostat.

4. The method of claim 1, wherein the thermostat module includes one or more temperature control buttons, wherein activation of one of the one or more temperature control buttons overrides the current set temperature.

5. The method of claim 1, wherein the thermostat module includes a display and one or more temperature control buttons, wherein activation of one of the one or more temperature control buttons overrides the current set temperature and displays the new current set temperature on the display.

6. The method of claim 1, wherein the thermostat module includes a display and wherein sensing, at the thermostat module, a sensed temperature includes displaying the sensed temperature on the display.

7. The method of claim 1, wherein modifying operation of the HVAC system as a function of the sensed temperature and the new current set temperature includes setting relays used to control the HVAC system.

8. The method of claim 1, wherein modifying operation of the HVAC system as a function of the sensed temperature and the new current set temperature includes communicating data across the first network to a relay module, wherein the relay module modifies operation of the HVAC system.

9. The method of claim 1, wherein the server includes an application that communicates over the Internet with a user interface device running a thermostat user interface application and wherein receiving programming instructions for the thermostat includes receiving a communication from the user interface device with specific programming instructions.

10. The method of claim 9, wherein the user interface application is a programmable thermostat interface, and wherein the server receives programming instructions for the thermostat when changes are made on the programmable thermostat interface.

11. A thermostat system, comprising:

a thermostat module, wherein the thermostat module includes;

a network interface;

a temperature sensor;

a control interface for controlling an HVAC system; and

a programmable controller connected to the network interface, the temperature sensor and the control interface, wherein the programmable controller includes a current set temperature value; and

a thermostat control module, wherein the thermostat control module includes;

a first and a second network interface; and

a programmable controller connected to the network interface,

wherein the programmable controller includes program code;

wherein the thermostat control module and the thermostat module can be connected via their network interfaces;

wherein the thermostat module reads temperature from the temperature sensor and modifies operation of the HVAC system as a function of the temperature measured by the temperature sensor and the current set temperature value; and

wherein the programmable controller for thermostat control module includes program code which, when executed, causes the programmable controller for the thermostat control module to transmit a new temperature value at preselected times to the programmable controller of the thermostat module, wherein the new temperature value replaces the current set temperature value.

12. The system of claim 11, wherein the thermostat module includes one or more input controls, wherein the input controls, when activated by a user, change the current set temperature value.

13. The system of claim 11, wherein the thermostat module includes a display for displaying the current set temperature value.

14. In a system having a device to be controlled, a method for controlling the device, the method comprising:

receiving, at a server located at a location remote from the device, programming instructions for the changing operation of the device;

executing the programming instructions from within an application executing on the server in order to create schedule logic;

transmitting the schedule logic from the server across a communication network to a system controller module;

transmitting a new value from the system controller module to the device control module when indicated by the schedule logic;

receiving the new value at the device control module;

replacing a current set value in the device control module with the received new value;

sensing, at the device control module, a sensed parameter relevant to operation of the device; and

modifying operation of the device as a function of the sensed parameter and the new current set value.

15. The method of claim 14, wherein receiving programming instructions for a device includes executing an application on a smart phone that communicates over a communication network with the server, wherein the application provides a user interface for entering programming instructions for the device.

16. The method of claim 14, wherein receiving programming instructions for a device includes executing an application on a computer that communicates over a communication network with the server, wherein the application provides a user interface for entering programming instructions for the device.

17. The method of claim 14, wherein the device control module includes one or more control buttons, wherein activation of one of the one or more control buttons overrides the current set value stored in the device control module.

18. The method of claim 14, wherein the device control module includes a display and one or more control buttons, wherein activation of one of the one or more control buttons overrides the current set value stored in the device control module and displays the new current set value on the display.

19. The method of claim 14, wherein the device control module includes a display and wherein sensing, at the device control module, a sensed parameter includes displaying the sensed parameter value on the display.

20. The method of claim 14, wherein modifying operation of the device as a function of the sensed parameter and the new current set value includes setting relays.

21. The method of claim 14, wherein modifying operation of the device as a function of the sensed parameter and the new current set value includes communicating data across the first network to a relay module, wherein the relay module modifies operation of the device.

22. The method of claim 14, wherein the server includes an application that communicates over the Internet with a user interface device running a device interface application and wherein receiving programming instructions for the device includes receiving a communication from the user interface device with specific programming instructions.

23. The method of claim 22, wherein the device is a thermostat, wherein the device interface application presents a programmable thermostat interface, and wherein the server receives programming instructions for the device when changes are made on the programmable thermostat interface.

24. The method of claim 22, wherein the device is a sprinkler system, wherein the device interface application presents a programmable sprinkler system interface, and wherein the server receives programming instructions for the device when changes are made on the programmable sprinkler system interface.

25. In a system having a device to be controlled, a method for controlling the device, the method comprising:

receiving, at a server located at a location remote from the device, programming instructions for the changing operation of the device;

executing the programming instructions from within an application executing on the server in order to create schedule logic;

transmitting the schedule logic from the server across a communication network to a system controller module;

transmitting a new value from the system controller module to the device control module when indicated by the schedule logic;

receiving the new value at the device control module;

replacing a current set value in the device control module with the received new value; and

modifying operation of the device as a function of the new current set value.

26. The method of claim 25, wherein receiving programming instructions for a device includes executing an application on a smart phone that communicates over a communication network with the server, wherein the application provides a user interface for entering programming instructions for the device.

27. The method of claim 25, wherein receiving programming instructions for a device includes executing an application on a computer that communicates over a communication network with the server, wherein the application provides a user interface for entering programming instructions for the device.

28. The method of claim 25, wherein the device control module includes one or more control buttons, wherein activation of one of the one or more control buttons overrides the current set value stored in the device control module.

29. The method of claim 25, wherein the device control module includes a display and one or more control buttons, wherein activation of one of the one or more control buttons overrides the current set value stored in the device control module and displays the new current set value on the display.

30. The method of claim 25, wherein modifying operation of the device as a function of the new current set value includes setting relays.

31. The method of claim 25, wherein modifying operation of the device as a function of the new current set value includes communicating data across the first network to a relay module, wherein the relay module modifies operation of the device.

32. The method of claim 25, wherein the server includes an application that communicates over the Internet with a user interface device running a device interface application and wherein receiving programming instructions for the device includes receiving a communication from the user interface device with specific programming instructions.

33. The method of claim 32, wherein the device is a sprinkler system, wherein the device interface application presents a programmable sprinkler system interface, and wherein the server receives programming instructions for the device when changes are made on the programmable sprinkler system interface.

34. A distributed networked control system for controlling a device, comprising:

a device control module, wherein the device control module includes;

a network interface;

a control interface for controlling the device; and

a programmable controller connected to the network interface and the control interface, wherein the programmable controller includes a current set value; and

a system control module, wherein the system control module includes;

a first and a second network interface; and

a programmable controller connected to the network interface,

wherein the programmable controller includes program code;

wherein the system control module and the device control module can be connected via their network interfaces;

wherein the device control module modifies operation of the device as a function of the current set value; and

wherein the programmable controller for system control module includes program code which, when executed, causes the programmable controller for the system control module to transmit a new set value at preselected times to the device control module, wherein the new set value replaces the current set value.

35. The system of claim 34, wherein the device control module includes one or more input controls, wherein the input controls, when activated by a user, change the current set value.

36. The system of claim 34, wherein the device control module includes a display for displaying the current set value.

37. The system of claim 34, wherein the device control module further includes a sensor capable of sensing a parameter of interest to the device, wherein the device control module reads a parameter value from the sensor and modifies operation of the device as a function of the parameter measured by the sensor and the current set value.