Electrical load monitoring apparatuses

• US 9,225,389 B2
• Filed: 09/21/2012
• Issued: 12/29/2015
• Est. Priority Date: 09/23/2011
• Status: Active Grant

• Current Assignee: Carrier Corporation (Carrier Global Corporation)
• Original Assignee: Carrier Corporation (Carrier Global Corporation)
• Inventors: Veronesi, William A., Soldner, Nicholas Charles, Zeidner, Lawrence E.
• Primary Examiner(s): Kaplan, Hal
• Application Number:
  US13/624,306
• Publication Number:
  US 20130257169A1
• Time in Patent Office: 1,194 Days
• Field of Search: 307/104
• US Class Current: 1/1
• CPC Class Codes: H04B 5/24 Inductive coupling
• CPC Class Codes: H04B 5/72 for local intradevice communication
• CPC Class Codes: H04B 5/79 for data transfer in combination with power transfer

Abstract

An electrical load monitoring apparatus includes a first inductive coupling device, the first inductive coupling device is configured to receive electrical energy associated with an electrical conductor proximate thereto, and a processor in electrical communication with the first inductive coupling device, wherein the processor is configured to receive the electrical energy from the first inductive coupling device, configured to modulate a carrier wave signal in response to the received electrical energy, and configured to inject the modulated carrier wave signal into the electrical conductor.

Claims

1. An electrical load monitoring apparatus, comprising:

a first inductive coupling device, the first inductive coupling device configured to receive electrical energy associated with an electrical conductor proximate thereto; and

a processor in electrical communication with the first inductive coupling device, wherein the processor is configured to receive the electrical energy from the first inductive coupling device, configured to modulate a carrier wave signal in response to the received electrical energy, and configured to direct the first inductive coupling device to inject the modulated carrier wave signal into the electrical conductor.

2. The apparatus of claim 1, further comprising:

a second inductive coupling device in electrical communication with the processor configured to send and receive data based on electrical energy associated with the electrical conductor.

3. The apparatus of claim 1, further comprising:

an inductive switch in electrical communication with the processor, the inductive switch configured to selectively open and close in response to an increase or decrease in electrical energy associated with the electrical conductor.

4. The apparatus of claim 3, wherein the inductive switch comprises:

a set of electrical traces in communication with the processor;

a set of electrical contacts;

a mobile switch body configured to position the set of electrical contacts in severable electrical contact with the set of electrical traces in response to the increase or decrease in electrical energy associated with the electrical conductor.

5. The apparatus of claim 4, wherein the inductive switch further comprises a flexible cantilever arm in mechanical communication with the mobile switch body.

6. The apparatus of claim 5, wherein the inductive switch further comprises a main switch body in magnetic communication with the mobile switch body.

7. The apparatus of claim 6, wherein the mobile switch body and the main switch body are formed of a magnetic material.

8. The apparatus of claim 1, further comprising:

an inductive switch in electrical communication with the first inductive coupling device, the inductive switch configured to selectively activate or deactivate the apparatus in response to an increase or decrease in electrical energy associated with the electrical conductor.

9. The apparatus of claim 8, wherein the inductive switch comprises:

a set of electrical traces defining a portion of the first inductive coupling device;

a set of electrical contacts;

a mobile switch body configured to position the set of electrical contacts in severable electrical contact with the set of electrical traces in response to the increase or decrease in electrical energy associated with the electrical conductor.

10. The apparatus of claim 9, wherein the inductive switch further comprises a flexible cantilever arm in mechanical communication with the mobile switch body.

11. The apparatus of claim 10, wherein the inductive switch further comprises a main switch body in magnetic communication with the mobile switch body.

12. The apparatus of claim 11, wherein the mobile switch body and the main switch body are formed of a magnetic material.

13. The apparatus of claim 1, wherein the processor is a radio frequency identification processor.

14. The apparatus of claim 1, wherein the processor is configured to modulate an associated identification number within the carrier wave signal.

15. The apparatus of claim 1, wherein the processor comprises a voltage sensing portion configured to sense a voltage proportional to a load current of the electrical conductor.

16. The apparatus of claim 15, wherein the processor is configured to modulate an associated identification number and proportional voltage value within the carrier signal.