Connecting split HVAC systems to the internet and/or smart utility meters

• US 10,013,873 B2
• Filed: 07/13/2012
• Issued: 07/03/2018
• Est. Priority Date: 06/15/2012
• Status: Active Grant

• Current Assignee: Copeland Comfort Control LP (Emerson Electric Company)
• Original Assignee: Emerson Electric Company
• Inventors: Shan, Ping
• Primary Examiner(s): Ma, Kun Kai
• Application Number:
  US13/548,552
• Publication Number:
  US 20130334326A1
• Time in Patent Office: 2,181 Days
• Field of Search: 236 51, 34087016, 34087017, 700276, 700278
• CPC Class Codes: F24F 11/56 Remote control
• CPC Class Codes: F24F 11/58 using Internet communication
• CPC Class Codes: G08C 17/02 using a radio link
• CPC Class Codes: G08C 23/04 using light waves, e.g. infrared

Abstract

Disclosed are exemplary embodiments of systems and methods for connecting split HVAC systems (and/or for providing such connectivity) to networks and/or smart meters, thereby allowing a split HVAC system to be controllable via the Internet and/or a smart meter. An exemplary embodiment includes a system for use with a split HVAC system having at least one outdoor unit and at least one indoor unit having a receiver. In this exemplary embodiment, the system comprises a control having connectivity to a network and/or a smart utility meter. An equipment interface module is configured for wireless communication with the receiver of the at least one indoor unit and the control. The equipment interface module is operable for communicating instructions from the control to the receiver of the at least one indoor unit, thereby allowing operation of the at least one indoor unit to be controllable via the network and/or smart utility meter.

Claims

1. A system for use with a split HVAC system including at least one outdoor unit and a plurality of indoor units, each indoor unit having an infrared receiver, the system comprising:

a control having connectivity to a network and/or a smart utility meter; and

a plurality of equipment interface modules, each of the plurality of equipment interface modules mounted on a corresponding one of the plurality of indoor units adjacent to the infrared receiver of the corresponding one of the plurality of indoor units while leaving at least a portion of said infrared receiver visually unobstructed to receive infrared signals directly from a handheld infrared remote control, each of the plurality of equipment interface modules configured for one-way wireless communication with the infrared receiver of the corresponding one of the plurality of indoor units and two-way wireless communication with the control, such that each of the plurality of equipment interface modules is operable for communicating instructions from the control to the infrared receiver of the corresponding one of the plurality of indoor units while also allowing the infrared receiver to receive infrared signal instructions directly from the handheld infrared remote control, thereby allowing operation of the corresponding indoor unit to be controllable via the network and/or smart utility meter, and the handheld infrared remote control;

wherein each of the plurality of equipment interface modules comprises a collector for intercepting contrary instructions from the handheld infrared remote control of the corresponding one of the plurality of indoor units, to thereby allow each of the plurality of equipment interface modules to countermand the contrary instructions by sending an instruction to the infrared receiver after receiving the contrary instruction from the handheld infrared remote control via the collector.

2. The system of claim 1, wherein:

the control is configured with connectivity to the Internet, such that operation of each of the plurality of indoor units is controllable by a user via the Internet when the control is connected to the Internet; and

/or

the control is configured with connectivity to a smart utility meter such that operation of each of the plurality of indoor units is controllable by a utility provider via the smart utility meter when the control is connected to the smart utility meter.

3. The system of claim 1, wherein:

each of the plurality of equipment interface modules is operable for communicating instructions from the control via infrared signals to the infrared receiver of the corresponding indoor unit; and

/or

each of the plurality of equipment interface modules comprises a radio frequency transceiver configured for communication with the control via radio frequency signals.

4. The system of claim 1, wherein:

each of the plurality of equipment interface modules is configured for bi-directional communication with the control via sending and receiving radio frequency signals to/from the control; and

each of the plurality of equipment interface modules is configured for unidirectional communication with the infrared receiver of the corresponding indoor unit by sending infrared signals to the infrared receiver.

5. The system of claim 1, wherein each of the plurality of equipment interface modules is configured to be operable as a communications bridge between the control and the infrared receiver of the corresponding one of the plurality of indoor units, whereby each of the plurality of equipment interface modules is operable for converting instructions from the control to appropriate commands for the corresponding one of the plurality of indoor units.

6. The system of claim 1, wherein each of the plurality of equipment interface modules comprises:

an emitter for sending instructions from the control to the infrared receiver of the corresponding one of the plurality of indoor units, which instructions are for an onboard controller of the corresponding one of the plurality of indoor units.

7. The system of claim 1, wherein the control comprises a zone control having one or more programmed schedules and set point temperatures for each of a plurality of zones in which is located a corresponding one of the plurality of indoor units, the plurality of indoor units belonging to a multi-split HVAC system.

8. The system of claim 7, wherein each of the plurality of equipment interface modules is operable for comparing a sensed temperature of the zone in which it is located with a set point temperature and for sending an appropriate command to the indoor unit in that zone.

9. The system of claim 7, wherein:

the zone control includes a temperature sensor, and the zone control is operable for sending the sensed temperature to the plurality of equipment interface modules; and

/or

each of the plurality of equipment interface modules includes a temperature sensor and is operable for comparing the temperature sensed thereby with a set point temperature from the zone control; and

/or

each of the plurality of indoor units includes a temperature sensor and an onboard controller operable for comparing a sensed temperature from the temperature sensor with a set point temperature from the zone control.

10. The system of claim 1, wherein:

the control comprises a zone control operable for controlling operation of all of the plurality of indoor units by communicating with each of the plurality of equipment interface modules and the receiver of each indoor unit.

11. The system of claim 10, wherein:

the zone control is configured with connectivity to the Internet, such that operation of all of the indoor units is controllable by a user via the Internet when the zone control is connected to the Internet; and

/or

the zone control is configured with connectivity to a smart utility meter such that operation of all of the indoor units is controllable by a utility provider via the smart utility meter when the zone control is connected to the smart utility meter.

12. A multi-split HVAC system comprising:

at least one outdoor unit;

a plurality of indoor units each having an infrared receiver;

a zone control;

a plurality of radio frequency transceivers, each of which is configured for two-way communication with the zone control via radio frequency signals and for one-way communication with a corresponding one of the infrared receivers via infrared signals, and is mounted on the one of the plurality of indoor units having the corresponding one of the infrared receivers, adjacent to the corresponding one of the infrared receivers while leaving at least a portion of said corresponding one of the infrared receivers visually unobstructed to receive infrared signals directly from a handheld infrared remote control, whereby the radio frequency transceivers are operable for communicating instructions from the zone control to the infrared receivers while also allowing the infrared receiver to receive infrared signal instructions directly from the handheld infrared remote control, thereby allowing operation of all of the indoor units to be controllable by the zone control and the handheld infrared remote control;

wherein each of the plurality of radio frequency transceivers comprises a collector for intercepting contrary instructions from the handheld infrared remote control of the corresponding one of the plurality of indoor units, to thereby allow each of the plurality of equipment interface modules to countermand the contrary instructions by sending an instruction to the infrared receiver after receiving the contrary instruction from the handheld infrared remote control via the collector.

13. The multi-split HVAC system of claim 12, wherein:

the zone control is configured with connectivity to the Internet, such that operation of all of the plurality of indoor units is controllable by a user via the Internet when the zone control is connected to the Internet; and

/or

the zone control is configured with connectivity to a smart utility meter such that operation of all of the plurality of indoor units is controllable by a utility provider via the smart utility meter when the zone control is connected to the smart utility meter.

14. The system of claim 12, wherein each radio frequency transceiver is configured to communicate with the zone control via two-way communication, and each radio frequency transceiver is configured to simulate the output of the infrared handheld remote control.

15. The system of claim 12, wherein each radio frequency transceiver is mounted to a different one of the multiple indoor units adjacent the infrared receiver of said one of the multiple indoor units.

16. The system of claim 12, wherein the zone control is configured with connectivity to a smart utility meter such that operation of all of the multiple indoor units is controllable by a utility provider via the smart utility meter when the zone control is connected to the smart utility meter.

17. A method for wirelessly, remotely controlling a split HVAC system having at least one outdoor unit, multiple indoor units each having an infrared receiver, and multiple equipment interface modules each configured for one-way communication with a corresponding one of the multiple indoor units and mounted to the corresponding one of the multiple indoor units adjacent the infrared receiver of the corresponding one of the multiple indoor units while leaving at least a portion of said infrared receiver visually unobstructed to receive infrared signals directly from a handheld infrared remote control, each of the plurality of equipment interface modules comprising a collector for intercepting contrary instructions from the handheld infrared remote control of the corresponding one of the plurality of indoor units, to thereby allow each of the plurality of equipment interface modules to countermand the contrary instructions by sending an instruction to the infrared receiver after receiving the contrary instruction from the handheld infrared remote control via the collector, the method comprising:

remotely setting an instruction for at least one of the multiple indoor units via a network, a smart meter, or a zone control;

wirelessly transmitting the instruction to the corresponding one of the multiple equipment interface modules that converts the instruction to a command for the at least one indoor unit;

wirelessly receiving, at the infrared receiver of the at least one indoor unit, an infrared signal directly from a handheld infrared remote control; and

wirelessly transmitting the command to the infrared receiver of the at least one indoor unit, whereby operation of the at least one indoor unit may be controllable according to the command and/or the infrared signal from the handheld infrared remote control received directly at the infrared receiver of the at least one indoor unit.

18. The method of claim 17, wherein the method includes:

a user remotely setting an instruction for the at least one of the multiple indoor units via zone control or the Internet connected to the zone control; and

/or

a utility provider remotely setting an instruction for the at least one of the multiple indoor units via the smart meter connected to the zone control; and

/or

the zone control wirelessly transmitting the instruction to at least one of the multiple equipment interface modules.

19. The method of claim 17, wherein:

wirelessly transmitting the instruction to the corresponding one of the multiple equipment interface modules comprises wirelessly transmitting radio frequency signals to a radio frequency transceiver; and

wirelessly transmitting the command to the infrared receiver comprises wirelessly transmitting infrared signals to the infrared receiver of the at least one of the multiple indoor units.

20. The method of claim 17, wherein:

wirelessly transmitting the instruction to the corresponding one of the multiple equipment interface modules comprises wirelessly transmitting the instructions to the multiple equipment interface modules; and

wirelessly transmitting the command to the infrared receiver of the at least one of the multiple indoor units comprises wirelessly transmitting the command to the infrared receiver of each of the multiple indoor units, such that operation of all of the multiple indoor units is controllable by the zone control.