Apparatus configured to detect gas usage, method of providing same, and method of detecting gas usage

• US 9,222,816 B2
• Filed: 05/14/2010
• Issued: 12/29/2015
• Est. Priority Date: 05/14/2010
• Status: Active Grant

• Current Assignee: Belkin International Incorporated (Hon Hai Precision Industry Co., Ltd.)
• Original Assignee: Belkin International Incorporated (Hon Hai Precision Industry Co., Ltd.)
• Inventors: Patel, Shwetak N., Gupta, Sidhant, Reynolds, Matthew S.
• Primary Examiner(s): PARK, HYUN D
• Application Number:
  US12/780,713
• Publication Number:
  US 20110282596A1
• Time in Patent Office: 2,055 Days
• Field of Search: 702/190
• US Class Current: 1/1
• CPC Class Codes: F23K 2400/201 Control devices
• CPC Class Codes: F23K 5/007 Details
• CPC Class Codes: F23N 2005/185 using detectors sensitive to rate of flow of fuel
• CPC Class Codes: F23N 5/16 using noise-sensitive detectors
• CPC Class Codes: F23N 5/184 using electronic means
• CPC Class Codes: G01F 1/66 by measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters

Abstract

In some embodiments, an apparatus can be configured to detect gas usage. The apparatus can include: (a) a processing module configured to run on a computational unit; and (b) a sensing unit configured to be coupled to a gas regulator, the sensing unit having: (1) at least one acoustic sensor configured to detect two or more acoustic signals produced by the gas regulator and convert the two or more acoustic signals into one or more first data signals; and (2) a transmitter electrically coupled to the at least one acoustic sensor and configured to transmit the one or more first data signals to the computational unit. The processing module is configured to use the one or more first data signals to determine the gas usage. Other embodiments are disclosed.

Claims

1. An apparatus configured to detect gas usage by two or more gas appliances the apparatus comprises:

a processing module configured to run on a computational unit; and

a sensing unit configured to be coupled to a gas regulator, the sensing unit comprising;

at least one acoustic sensor configured to detect two or more acoustic signals produced by the gas regulator and convert the two or more acoustic signals into one or more first digital acoustic data signals; and

a transmitter electrically coupled to the at least one acoustic sensor and configured to transmit the one or more first digital acoustic data signals to the computational unit,

wherein;

the processing module is configured to use the one or more first digital acoustic data signals to determine an individual gas usage by each of the two or more gas appliances coupled to the gas regulator based at least in part upon changes in a magnitude of a resonant frequency intensity of the one or more first digital acoustic data signals.

2. The apparatus of claim 1, wherein:

the processing module is further configured to determine the individual gas usage by at least one of a gas stove, a water heater, or a gas furnace by disaggregating the two or more acoustic signals produced by the gas regulator; and

the two or more gas appliances comprise the gas stow, the water heater, and the gas furnace.

3. The apparatus of claim 1, wherein:

the processing module is further configured to remove data signals caused by ambient noise from the one or more first digital acoustic data signals.

4. The apparatus of claim 1, wherein:

the processing module is further configured to apply at least one of a Fourier transform or a band pass filter to the one or more first digital acoustic data signals.

5. The apparatus of claim 1, further comprising:

a wire, wherein;

the computational unit comprises a receiver; and

the receiver of the computational unit is electrically coupled to the transmitter of the sensing unit using the wire; and

the transmitter of the sensing unit is configured to transmit the one or more first digital acoustic data signals over the wire.

6. The apparatus of claim 1, wherein:

the transmitter of the sensing unit comprises a wireless transmitter; and

the computational unit comprises;

a wireless receiver configured to receive the one or more first digital acoustic data signals from the wireless transmitter of the sensing unit.

7. The apparatus of claim 1, wherein:

the at least one acoustic sensor comprises an omni-directional microphone.

8. The apparatus of claim 1, wherein:

the processing module comprises;

a training module; and

an event detection module;

the training module is configured to correlate a first gas event with at least a first one of the one or more first digital acoustic data signals and to correlate a second as event with at least a second one of the one or more first digital acoustic data signals;

the event detection module is configured to use the one or more first digital acoustic data signals to identify one or more first gas appliances responsible for the individual gas usage; and

the two or more gas appliances comprise the one or more first gas appliances.

9. The apparatus of claim 8, wherein:

the processing module further comprises;

a communications module configured to communicate with a user.

10. The apparatus of claim 1, wherein:

the gas regulator comprises a pressure relief vent;

the at least one acoustic sensor is configured to detect the two or more acoustic signals in the pressure relief vent of the gas regulator; and

the sensing unit is configured to couple to the pressure relief vent of the gas regulator.

11. The apparatus of claim 1, wherein:

the at least one acoustic sensor is a component of an integrated circuit.

12. The apparatus of claim 1, wherein:

the at least one acoustic sensor is mechanically coupled to a housing of the gas regulator.

13. The apparatus of claim 1, wherein:

the at least one acoustic sensor comprises of at least one of the following;

an electric microphone, a piezoelectric sensor, an acousto-electric transducer, a micro-electromechanical sensor, or an ultrasonic microphone.

14. The apparatus of claim 1, wherein:

the processing module is further configured to determine a total amount of gas usage by all active gas appliances coupled to the gas regulator based upon the two or more acoustic signals produced by the gas regulator; and

the active gas appliances comprise the two or more gas appliances.

15. A method of detecting usage of a. gas in a building, the building having a gas regulator with a pressure relief vent, the method comprising:

using at least one acoustic sensor to receive one or more first acoustic signals from the pressure relief vent of the gas regulator;

converting the one or more first acoustic signals from the pressure relief vent of the as regulator into one or more first digital acoustic data signals;

determining a total amount of the gas being used b all active gas appliances coupled to the gas regulator based upon the one or more first digital acoustic data signals; and

determining a first amount of the gas being used by to first gas appliance based at least in part upon changes in a magnitude of a resonant frequency intensity of the one or more first digital acoustic data signals.

16. The method of claim 15 further comprising:

using the at least one acoustic sensor to receive one or more second acoustic signals;

converting the one or more second acoustic signals into one or more second electrical signals; and

using the one or more second electrical signals to correlate the one or more second acoustic signals to the usage of the gas by a second gas appliance of the active gas appliances.

17. The method of claim 15 further comprising:

wirelessly transmitting the one or more first digital acoustic data signals; and

before determining the total amount of the gas being used by the active gas appliances, wirelessly receiving the one or more first digital acoustic data signals.

18. The method of claim 15, further comprising:

amplifying the one or more first digital acoustic data signals before determining the total amount of the gas being used by the active gas appliances coupled to the gas regulator.

19. The method of claim 15, further comprising:

coupling the at least one acoustic sensor to the pressure relief vent of the gas regulator.

20. The method of claim 15, further comprising:

using the at least one acoustic sensor to receive one or more second acoustic signals;

converting the one or more second acoustic signals into two or more second electrical signals;

training a training module to correlate a first gas event with at least a first one of the two or more second electrical signals and to correlate a second gas event with at least a second one of the two or more second electrical signals;

training the training module to associate the first gas event with usage of the gas by the first gas appliance; and

training the training module to associate the second gas event with usage of the gas by a second gas appliance,

wherein;

the active gas appliances further comprise the second gas appliance.

21. A method of providing a gas sensing device, the method comprising:

providing at least one acoustic sensor configured to detect two or more acoustic signals produced by a gas regulator and to convert the two or more acoustic signals into one or more first digital acoustic data signals;

providing a transmitter configured to transmit the one or more first digital acoustic data signals;

electrically coupling the transmitter to the at least one acoustic sensor;

providing a sensor mount configured to mechanically couple to the gas regulator;

mechanically coupling the at least one acoustic sensor and the transmitter to the sensor mount; and

providing a processing module configured to run on as computational unit, the processing module comprising;

an event detection module configured to use the one or more first digital acoustic data signals to determine a total gas usage by one or more gas appliances coupled to the gas regulator, and to determine an individual gas usage by each of the one or more gas appliances based at least in part upon chances in a magnitude of a resonant frequency intensity of the one or more first digital acoustic data signals.

22. The method of claim 21, further comprising:

providing a receiver configured to receive the one or more first digital acoustic data signals from the transmitter.

23. The method of claim 21, further comprising:

providing the processing module to further comprise;

a training module configured to determine a relationship between the one or more first digital acoustic data signals and the individual gas usage by each of the one or more gas appliances.

24. A gas regulator unit comprising:

a gas regulator comprising;

a gas inlet;

a diaphragm chamber configured to control an amount of gas flowing through the gas regulator;

a relief valve coupled to the diaphragm chamber; and

a relief vent coupled to the relief valve;

at least one acoustic sensor configured to detect two or more acoustic signals created by the gas regulator and to convert the two or more acoustic signals into one or more first digital acoustic data signals, the at least one acoustic sensor is located at the gas regulator; and

a processing module configured to run on a computational unit, the processing module configured to use the one or more first digital acoustic data signals to determine individual gas usage by each of two or more gas appliances coupled to the gas regulator based at least in part upon changes in a magnitude of a resonant frequency intensity of the one or more first digital acoustic data signals.

25. The gas regulator unit of claim 24, further comprising:

a transmitter coupled to the at least one acoustic sensor and configured to transmit the one or more first digital acoustic data signals,

wherein;

the computational unit comprises a receiver configured to receive the one or more first digital acoustic data signals from the transmitter.