HVAC CONTROL SYSTEM WITH INTERCHANGEABLE CONTROL UNITS

• US 20130268129A1
• Filed: 03/14/2013
• Published: 10/10/2013
• Est. Priority Date: 12/31/2010
• Status: Abandoned Application

• Current Assignee: Google LLC (Alphabet Inc.)
• Original Assignee: Nest Labs Incorporated (Alphabet Inc.)
• Inventors: Fadell, Anthony M., Rogers, Matthew L., Matsuoka, Yoky, Sloo, David
• Application Number:
  US13/831,216
• Publication Number:
  US 20130268129A1
• Time in Patent Office: Days
• US Class Current: 700/278
• 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 11/47 Responding to energy costs
• CPC Class Codes: F24F 11/523 for displaying temperature data
• CPC Class Codes: F24F 11/58 using Internet communication
• CPC Class Codes: F24F 11/62 characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
• CPC Class Codes: F24F 11/64 using pre-stored data
• CPC Class Codes: G05B 15/02 electric
• CPC Class Codes: G05D 23/1902 characterised by the use of a variable reference value
• CPC Class Codes: G05D 23/1917 using digital means
• CPC Class Codes: G06Q 10/20 Administration of product repair or maintenance
• CPC Class Codes: G06Q 20/085 involving remote charge determination or related payment systems
• CPC Class Codes: G06Q 20/18 involving self-service terminals [SST], vending machines, kiosks or multimedia terminals
• CPC Class Codes: G06Q 30/0207 Discounts or incentives, e.g. coupons or rebates
• CPC Class Codes: G06Q 30/0283 Price estimation or determination
• CPC Class Codes: G06Q 30/06 Buying, selling or leasing transactions
• CPC Class Codes: G06Q 50/06 Energy or water supply
• CPC Class Codes: G06Q 50/16 Real estate
• CPC Class Codes: G07F 17/0014 for vending, access and use of specific services not covered anywhere else in G07F17/00 meter-controlled dispensing of liquid, gas or electricity G07F15/00
• CPC Class Codes: G07F 9/105 Heating or cooling means, for temperature and humidity control, for the conditioning of articles and their storage dispensers for food articles requiring a processing by temperature treatment or conditioning before they are ready for dispensing G07F17/0064

Abstract

Embodiments of the present invention provide a temperature control system having multiple programmable, interchangeable docking thermostats that work cooperatively making it easier for a user to achieve desired temperature control in an enclosure with increased energy efficiency. One embodiment provides first and second docking thermostats each having a microprocessor in communication with at least one or more temperature sensors, an electrical connector connected to the microprocessor and a user interface. Also provided is a first HVAC docking device directly wired to the HVAC wire system and a second docking device that connects to a power source other than the HVAC wire system, where each of the docking devices have an electrical connector mateable to the electrical connector of the docking thermostats. The first and second docking thermostats may interchangeably mate to the docking devices, and either may control the HVAC system to achieve a desired comfort level with increased energy efficiency.

Claims

1. A temperature control system comprising:

a. one or more temperature sensors for receiving ambient air temperature data;

b. a first docking thermostat comprising

a first housing;

a first user-interface component including a first interactive graphical user interface configured to receive control inputs from a user;

a first microprocessor within said first housing in operative communication with at least a first of said one or more temperature sensors, said first microprocessor in operative communication with said first user-interface component; and

a first electrical connector coupled to said first microprocessor;

c. a second docking thermostat comprising;

a second housing;

a second user-interface component including a second interactive graphical user interface configured to receive control inputs from the user;

a second microprocessor within said second housing in operative communication with at least a second of said one or more temperature sensors, said second microprocessor in operative communication with said second user-interface component;

a second electrical connector coupled to said second microprocessor;

d. a first wireless communication module;

e. a second wireless communication module;

f. a first HVAC docking device configured to mateably and removably receive said first docking thermostat or said second docking thermostat, said first HVAC docking device including a third electrical connector mateable with said first electrical connector associated with said first docking thermostat or with said second electrical connector associated with said second docking thermostat, wherein said first HVAC docking device is coupled to an HVAC system by one or more HVAC wires in wired communication therewith enabling transmission of control signals to said HVAC system and providing a source of AC power to either said first docking thermostat or said second docking thermostat from said one or more HVAC wires;

g. a second docking device configured to mateably and removably receive said second docking thermostat or said first docking thermostat, said second docking device including a fourth electrical connector mateable with said second electrical connector associated with said second docking thermostat or with said first electrical connector associated with said first docking thermostat, wherein said second docking device is not in wired communication with said HVAC system, and wherein said second docking device is configured to couple to a power source other than said one or more HVAC wires leading to said HVAC system;

h. said temperature control system capable of having a first configuration in which said second docking thermostat is mated to said second docking device and said first docking thermostat is mated to said first HVAC docking device, said second docking thermostat can at least partially control said HVAC system by wireless communication with said first docking thermostat, and said first docking thermostat is capable of transmitting control signals to said HVAC system in accordance with instructions communicated from said second docking thermostat; and

i. said temperature control system capable of having a second configuration in which said second docking thermostat is mated to said first HVAC docking device and said first docking thermostat is mated to said second docking device, said first docking thermostat can at least partially control said HVAC system by wireless communication with said second docking thermostat, and said second docking thermostat is capable of transmitting control signals to said HVAC system in accordance with instructions communicated from said first docking thermostat.

2. The temperature control system according to claim 1, wherein said first wireless communication module is located within said first housing and in electrical communication with said first microprocessor, and wherein said second wireless communication module is located within said second housing and in electrical communication with said second microprocessor.

3. The temperature control system according to claim 1, wherein said first wireless communication module is located within said first HVAC docking device and electrically connected to said third electrical connector, and wherein said second wireless communication module is located within said second docking device and electrically connected to said fourth electrical connector.

4. The temperature control system according to claim 1, wherein said second docking thermostat in said first configuration may establish a temperature set point for said temperature control system based on control input from the user to said second docking thermostat, and wherein said first docking thermostat in said second configuration may establish a temperature set point for said temperature control system based on control input from the user to said first docking thermostat.

5. The temperature control system according to claim 4, wherein said second docking thermostat in said first configuration uses ambient temperature data from said at least second of said one or more temperature sensors to control said HVAC system to achieve said set point, and wherein said first docking thermostat in said second configuration uses ambient temperature from said at least first of said one or more temperature sensors to control said HVAC system to achieve said set point.

6. The temperature control system according to claim 4, wherein said second docking thermostat in said first configuration uses an arithmetic average of ambient temperature data from said at least second of said one or more temperature sensors and temperature data from said at least first of said one or more temperature sensors to control said HVAC system to achieve said temperature set point, and wherein said first docking thermostat in said second configuration uses an arithmetic average of ambient temperature data from said at least first of said one or more temperature sensors and ambient temperature data from said at least second of said one or more temperature sensors to control said HVAC system to achieve said temperature set point.

7. The temperature control system according to claim 4, wherein said second docking thermostat in said first configuration uses a weighted average of ambient temperature data from said at least second of said one or more temperature sensors and temperature data from said at least first of said one or more temperature sensors to control said HVAC system to achieve said temperature set point, and wherein said first docking thermostat in said second configuration uses a weighted average of ambient temperature data from said at least first of said one or more temperature sensors and ambient temperature data from said at least second of said one or more temperature sensors to control said HVAC system to achieve said temperature set point.

8. The temperature control system according to claim 4, wherein user control input comprises the user electrically connecting said second docking device to said alternative power source, thereby turning on said second docking device.

9. The temperature control system according to claim 1 further comprising one or more motion sensors, wherein said first docking thermostat and second docking thermostat are configured to use information from said one or more motion sensors to determine which of said first docking thermostat or said second docking thermostat will act as a master and the other as a slave.

10. The temperature control system according to claim 1, wherein said second docking device can be coupled to a power source selected from the group consisting of a non rechargeable battery, a rechargeable battery, direct wired AC source but not from said HVAC system, an AC wall outlet and rechargeable battery, and an AC wall outlet.

11. The temperature control system according to claim 1, wherein at least said first of said one or more first temperature sensors resides remotely from said first docking thermostat, and wherein at least said second of said one or more temperature sensors resides remotely from said second docking thermostat.

12. The temperature control system according to claim 11, wherein at least said first of said one or more first temperature sensors resides in said first HVAC docking device, and wherein at least said second of said one or more temperature sensors resides in said second docking device.

13. The temperature control system according to claim 1, wherein said at least first of said one or more temperature sensors is operatively connected with said first microprocessor via wireless communication, and wherein said at least second of said one or more second temperature sensors is operatively connected to said second microprocessor via wireless communication.

14. The temperature control system according to claim 1, wherein at least said first of one of said one or more temperature sensors is electrically connected with said first microprocessor and resides in said first housing, and wherein at least said second of one of said one or more temperature sensors is electrically connected to said second microprocessor and resides in said second housing.

15. The temperature control system according to claim 1, wherein said first HVAC docking device comprises a simplified nonprogrammable thermostat when not mated with either said first docking thermostat or said second docking thermostat, said simplified nonprogrammable thermostat comprising:

a. an HVAC docking device temperature sensor;

b. a display element for displaying ambient temperature data from said HVAC docking device temperature sensor,

c. a control used to adjust said set point; and

d. physical switches used to switch control of said simplified nonprogrammable thermostat to heat, cool, on or off when said HVAC docking device functions as said nonprogrammable thermostat.

16. The temperature control system according to claim 15, wherein said HVAC docking device temperature sensor is one of said one or more temperature sensors.

17. A temperature control system comprising:

a. one or more temperature sensors for receiving ambient air temperature data;

b. a first docking thermostat comprising

a first housing;

a first user-interface component including a first interactive graphical user interface configured to receive control inputs from a user;

a first microprocessor within said first housing in operative communication with at least a first of said one or more temperature sensors, said first microprocessor in operative communication with said first user-interface component;

a first electrical connector coupled to said first microprocessor;

c. a second docking thermostat interchangeable with said first docking thermostat, said second docking thermostat comprising;

a second housing;

a second user-interface component including a second interactive graphical user interface configured to receive control inputs from the user;

a second microprocessor within said second housing in operative communication with at least a second of said one or more temperature sensors, said second microprocessor in operative communication with said second user-interface component;

a second electrical connector coupled to said second microprocessor;

d. a first wireless communication module;

e. a second wireless communication module;

f. a first HVAC docking device configured to mateably and removably receive said first docking thermostat or said second docking thermostat, said first HVAC docking device including a third electrical connector mateable with said first electrical connector associated with said first docking thermostat or with said second electrical connector associated with said second docking thermostat, wherein said first HVAC docking device is coupled to an HVAC system by one or more HVAC wires in wired communication therewith enabling transmission of control signals to said HVAC system and providing a source of AC power to either said first docking thermostat or said second docking thermostat from said one or more HVAC wires; and

g. a second docking device configured to mateably and removably receive said second docking thermostat or said first docking thermostat, said second docking device including a fourth electrical connector mateable with said second electrical connector associated with said second docking thermostat or with said first electrical connector associated with said first docking thermostat, wherein said second docking device is not in wired communication with said HVAC system, and wherein said second docking device is configured to couple to a power source other than said one or more HVAC wires leading to said HVAC system.

18. The temperature control system according to claim 17, wherein either said first docking thermostat or said second docking thermostat operates as a master based on user input.

19. The temperature control system according to claim 18, where in user input is setting a temperature set point using either said first interactive graphical user interface or said second interactive graphical user interface.

20. The temperature control system according to claim 18, wherein user input is turning the turning power on or off for said first docking thermostat or said second docking thermostat, whichever is mated to said second docking device.

21. The temperature control system according to claim 17, wherein said first docking thermostat is mated with said first HVAC docking device and said second docking thermostat is mated with said second docking device, and wherein said first docking thermostat operates as a master and the second docking thermostat operates as a slave.

22. The temperature control system according to claim 21, wherein said first docking thermostat wirelessly obtains ambient temperature data from at least said second temperature sensor by wireless communication with said second microprocessor.

23. The temperature control system according to claim 22, wherein said first docking thermostat computes a set point based on ambient temperature data from at least said first of said one or more temperature sensors and ambient temperature data from at least said second of said one or more temperature sensors.

24. The temperature control system according to claim 22, wherein said first docking thermostat computes an arithmetic average of ambient temperature data from at least said first of said one or more temperature sensors and ambient temperature data from at least said second of said one or more temperature sensors, and wherein said first docking thermostat controls said HVAC system to have said arithmetic average of ambient temperature data achieve said temperature set point.

25. The temperature control system according to claim 17, wherein said first docking thermostat is mated with said first HVAC docking device and said second docking thermostat is mated with said second docking devices, and wherein said second docking thermostat operates as a master and the first docking thermostat operates as a slave.

26. The temperature control system according to claim 25, wherein said second docking thermostat wirelessly obtains ambient temperature data from at least said first temperature sensor by wireless communication with said first microprocessor.

27. The temperature control system according to claim 26, wherein said second docking thermostat computes a set point based on ambient temperature data from at least said second of said one or more temperature sensors and ambient temperature data from at least said first of said one or more temperature sensors.

28. The temperature control system according to claim 26, wherein said second docking thermostat computes an arithmetic average of ambient temperature data from at least said second of said one or more temperature sensors and ambient temperature data from at least said first of said one or more temperature sensors, and wherein said second docking thermostat controls said HVAC system to have said arithmetic average of ambient temperature data achieve said temperature set point.

29. The temperature control system according to claim 17, wherein said second docking thermostat is mated with said first HVAC docking device and said first docking thermostat is mated with said second docking device, and wherein said second docking thermostat operates as a master and the first docking thermostat operates as a slave.

30. The temperature control system according to claim 29, wherein said second docking thermostat wirelessly obtains ambient temperature data from at least said first temperature sensor by wireless communication with said first microprocessor.

31. The temperature control system according to claim 30, wherein said second docking thermostat computes a set point based on ambient temperature data from at least said second of said one or more temperature sensors and ambient temperature data from at least said first of said one or more temperature sensors.

32. The temperature control system according to claim 30, wherein said second docking thermostat computes an arithmetic average of ambient temperature data from at least said second of said one or more temperature sensors and ambient temperature data from at least said first of said one or more temperature sensors, and wherein said second docking thermostat controls said HVAC system to have said arithmetic average of ambient temperature data achieve said temperature set point.

33. The temperature control system according to claim 17, wherein said second docking thermostat is mated with said first HVAC docking device and said first docking thermostat is mated with said second docking devices, and wherein said first docking thermostat operates as a master and said second docking thermostat operates as a slave.

34. The temperature control system according to claim 33, wherein said first docking thermostat wirelessly obtains ambient temperature data from at least said second temperature sensor by wireless communication with said second microprocessor.

35. The temperature control system according to claim 34, wherein said first docking thermostat computes a set point based on ambient temperature data from at least said first of said one or more temperature sensors and ambient temperature data from at least said second of said one or more temperature sensors.

36. The temperature control system according to claim 34, wherein said first docking thermostat computes an arithmetic average of ambient temperature data from at least said first of said one or more temperature sensors and ambient temperature data from at least said second of said one or more temperature sensors, and wherein said first docking thermostat controls said HVAC system by wireless communication to said second docking thermostat to have said arithmetic average of ambient temperature data to achieve said temperature set point.