Integrated head-end utility metering system

• US 10,382,594 B2
• Filed: 04/08/2016
• Issued: 08/13/2019
• Est. Priority Date: 04/09/2015
• Status: Active Grant

• Current Assignee: Landis+Gyr Technology, Inc. (Landis+Gyr Group AG)
• Original Assignee: Landis+Gyr Innovations Incorporated (Landis+Gyr Group AG)
• Inventors: Gupta, Arun, Kramer, Eric J.
• Primary Examiner(s): Cheema, Umar
• Assistant Examiner(s): Nguyen, Anh
• Application Number:
  US15/094,074
• Publication Number:
  US 20160301778A1
• Time in Patent Office: 1,222 Days
• CPC Class Codes: G01D 4/004 Remote reading of utility meters to a fixed location
• CPC Class Codes: H04L 67/10 in which an application is distributed across nodes in the network software deployment G06F8/60; multiprogramming arrangements G06F9/46
• CPC Class Codes: H04L 69/18 Multiprotocol handlers, e.g. single devices capable of handling multiple protocols
• CPC Class Codes: H04L 69/329 in the application layer [OSI layer 7]
• CPC Class Codes: Y02B 90/20 Smart grids as enabling technology in buildings sector smart grids supporting the management or operation of end-user stationary applications in general, or like technologies with no associated climate change mitigation effect Y04S20/00
• CPC Class Codes: Y04S 20/30 Smart metering, e.g. specially adapted for remote reading

Abstract

Disclosed are various embodiments for transmitting data between an integrated head-end system and endpoint devices of a utility metering system. The utility metering system may include a single head-end system including an application layer, an end-device protocol layer, and a network protocol layer operable to generate messages for transmitting to the endpoint devices to obtain metering information. The layers may also be operable to interpret messages received from the endpoint devices including the metering information and convert the messages into a usable format. In some aspects, the end-device protocol layer and the network protocol layer may include adapters for converting information included in the messages based on a metering protocol or network protocol, respectively, used by the endpoint devices.

Claims

1. A head-end system comprising a processing device and a storage device, communicatively couplable to at least a first network and a second network, comprising:

an application layer;

an end-device protocol layer below the application layer that includes a first metering protocol adapter that supports a first metering protocol and a second metering protocol adapter that supports a second metering protocol; and

a network protocol layer below the end-device protocol layer that includes a first network protocol adapter that supports a first network protocol and a second network protocol adapter that supports a second network protocol,

wherein the first network includes a first plurality of endpoint devices that use the first metering protocol and communicate within the first network using the first network protocol and the second network includes a second plurality of endpoint devices that use the second metering protocol and communicate within the second network using the second network protocol,

wherein the first metering protocol and the second metering protocol are distinct and the first network protocol and the second network protocol are distinct,

wherein the application layer generates a first request for metering information from a first endpoint device and a second request for metering information from a second endpoint device,

wherein the end-device protocol layer receives the first request for metering information and the second request for metering information from the application layer, determines that the first endpoint device in the first plurality of endpoint devices is associated with the first metering protocol, determines that the second endpoint device in the second plurality of endpoint devices is associated with the second metering protocol, routes the first request to the first metering protocol adapter to convert the first request into a first end-device request having a first format corresponding to the first metering protocol, routes the second request to the second metering protocol adapter to convert the second request into a second end-device request having a second format corresponding to the second metering protocol, and

wherein the network protocol layer receives the first end-device request for metering information and the second end-device request for metering information from the end-device protocol layer, routes the first end-device request to the first network protocol adapter to package the first end-device request into a first network message for transmission to the first endpoint device using the first network protocol, routes the second end-device request to the second network protocol adapter to package the second end-device request into a second network message for transmission to the second endpoint device using the second network protocol, transmits the first network message including the first end-device request for metering information over the first network using the first network protocol to the first endpoint device and transmits the second network message including the second end-device request for metering information over the second network using the second network protocol to the second endpoint device.

2. The head-end system of claim 1, further comprising,

an identity management service device accessible by the application layer, the end-device protocol layer, and the network protocol layer,

wherein the identity management service device includes device information associated with each of the endpoint devices in the first plurality of endpoint devices and the second plurality of endpoint devices, the device information including a plurality of identifiers corresponding to each of the endpoint devices.

3. The head-end system of claim 2, wherein the first endpoint device includes a meter and a communication module, and

wherein the plurality of identifiers includes a first identifier associated with the first endpoint device and corresponding to the meter, a second identifier associated with the first endpoint device and corresponding to the communication module, and a third identifier associated with the first endpoint device and corresponding to the first endpoint device.

4. The head-end system of claim 3, wherein the application layer is operable to reference the first endpoint device using the third identifier,

wherein the end-device protocol layer is operable to reference the first endpoint device using the first identifier, and

wherein the network protocol layer is operable to reference the first endpoint device using the second identifier.

5. The head-end system of claim 3, wherein the first identifier corresponds to a serial number for the meter, wherein the second identifier corresponds to a serial number for the communication module, and wherein the third identifier corresponds to a combination of the serial number for the meter and the serial number for the communication module.

6. The head-end system of claim 3, wherein the end-device protocol layer is operable to determine, using the first identifier, whether the first endpoint device uses the first metering protocol or the second metering protocol and to route a request generated by the application layer to the first metering protocol adapter or the second metering protocol adapter based on the first identifier.

7. The head-end system of claim 1, wherein the end-device protocol layer further includes an additional metering protocol adapter that supports an additional metering protocol used by a third plurality of endpoint devices communicatively couplable to the head-end system and included within the first network, and

wherein the first network protocol adapter is operable in the network protocol layer to receive messages from the first metering protocol adapter and the additional metering protocol adapter.

8. The head-end system of claim 1, wherein the network protocol layer further includes an additional network protocol adapter that supports an additional network protocol used by a third plurality of endpoint devices to communicate within an additional network communicatively couplable to the head-end system,

wherein the third plurality of endpoint devices uses the first metering protocol, and

wherein the additional network protocol adapter is operable in the network protocol layer to receive messages from the first metering protocol adapter and the second metering protocol adapter.

9. A method for transmitting a message to an endpoint device in a network, wherein the endpoint device includes a meter and a communication module, the method comprising:

generating, by an application layer of a head-end system, a request for metering information from the endpoint device, wherein the request includes an identifier for the endpoint device;

transmitting, by the application layer, the request to an end-device protocol layer of the head-end system;

receiving the request for metering information by the end-device protocol layer;

determining, by the end-device protocol layer, a metering protocol used by the meter of the endpoint device to obtain the metering information, wherein the end-device protocol layer uses the identifier for the endpoint device received from the application layer to determine an identifier for the meter and uses the identifier for the meter to determine the metering protocol;

based on the metering protocol used by the endpoint device, routing, by the end-device layer, the request for metering information to a first metering protocol adapter in the end-device layer, wherein the first metering protocol adapter is one of a plurality of metering protocol adapters included in the end-device layer and the plurality of metering protocol adapters support a plurality of distinct metering protocols;

generating, by the first metering protocol adapter, an instruction corresponding to the request, wherein the instruction is in a first format corresponding to the metering protocol;

transmitting, by the end-device protocol layer, the instruction to a network protocol layer of the head-end system, wherein the instruction includes an identifier for the communication module;

receiving the instruction from the end-device protocol layer by the network protocol layer;

determining, by the network protocol layer, a network protocol associated with the network that includes the endpoint device, wherein the network protocol layer uses the identifier for the communication module to determine the network protocol;

based on the network protocol used by the communication module of the endpoint device, routing, by the network protocol layer, the instruction to a first network protocol adapter in network protocol layer, wherein the first network protocol adapter is one of a plurality of network protocol adapters included in the network protocol layer and the plurality of network protocol adapters support a plurality of distinct network protocols;

packaging the instruction into a network message for transmission to the endpoint device using the network protocol by the first network protocol adapter; and

transmitting the network message to the endpoint device via the network.

10. The method of claim 9, further comprising,

using, by the end-device protocol layer, the identifier for the endpoint device to identify the identifier for the communication module.

11. The method of claim 9, wherein determining, by the end-device protocol layer, the metering protocol used by the endpoint device to obtain the metering information comprises the end-device protocol layer accessing an identification management device, the identification management device including a plurality of identifiers for a plurality of endpoint devices in the network, the plurality of identifiers including the identifier for the endpoint device, the identifier for the meter, and the identifier for the communication module.

12. The method of claim 9, further comprising:

receiving, by the network protocol layer, a response from the endpoint device including the metering information;

extracting, by the network protocol layer, bytes associated with the metering information from the response;

transmitting, by the network protocol layer, the bytes to the end-device protocol layer;

interpreting, by the end-device protocol layer, the bytes using primitive types and metering attributes corresponding to the metering information;

transmitting the bytes interpreted to the application layer; and

generating, by the application layer, a report including the metering information in a requested format.

13. The method of claim 9, wherein generating, by the first metering protocol adapter, the instruction includes applying, by the first metering protocol adapter, the first format to the instruction, and

wherein packaging the instruction into a network message includes applying, by the first network protocol adapter, a second format to the network message.

14. A head-end system comprising a processing device and a storage device, communicatively couplable to at least a first network and a second network, comprising:

an application layer;

an end-device protocol layer below the application layer that includes a first metering protocol adapter that supports a first metering protocol, wherein the first metering protocol adapter is one of a plurality of metering protocol adapters included in the end-device protocol layer and the plurality of metering protocol adapters support a plurality of distinct metering protocols; and

a network protocol layer below the end-device protocol layer that includes a first network protocol adapter that supports a first network protocol and a second network protocol adapter that support a second network protocol,

wherein the first network includes a first plurality of endpoint devices that use the first metering protocol and communicate within the first network using the first network protocol and the second network includes a second plurality of endpoint devices that use the first metering protocol and communicate within the second network using the second network protocol,

wherein the first network protocol and the second network protocol are distinct,

wherein the application layer generates a first request for metering information from a first endpoint device and a second request for metering information from a second endpoint device,

wherein the end-device protocol layer receives the first request for metering information and the second request for metering information from the application layer, determines that the first endpoint device in the first plurality of endpoint devices is associated with the first metering protocol, determines that the second endpoint device in the second plurality of endpoint devices is associated with the first metering protocol, routes the first request to the first metering protocol adapter to convert the first request into a first end-device request having a format corresponding to the first metering protocol and routes the second request to the first metering protocol adapter to convert the second request into a second end-device request having the first metering protocol, and

wherein the network protocol layer receives the first end-device request and the second end-device request from the end-device protocol layer, routes the first end-device request to the first network protocol adapter to package the first end-device request into a first network message for transmission to the first endpoint device using the first network protocol, routes the second end-device request to the second network protocol adapter to package the second end-device request in a second network message for transmission to the second endpoint device using the second network protocol and transmits the first network message including the first end-device request over the first network using the first network protocol to the first endpoint device in the first network and transmits the second network message including the second end-device request over the second network using the second network protocol to the second endpoint device in the second network.

15. The head-end system of claim 14, further comprising:

an identity management service device accessible by the application layer, the end-device protocol layer, and the network protocol layer,

wherein the identity management service device includes device information associated with each of the endpoint devices in the first plurality of endpoint devices and the second plurality of endpoint devices, the device information including a plurality of identifiers corresponding to each of the endpoint devices.

16. The head-end system of claim 15, wherein the first endpoint device of the first plurality of endpoint devices includes a first meter and a first communication module, wherein the second endpoint device of the second plurality of endpoint devices includes a second meter and a second communication module,

wherein the plurality of identifiers includes a first identifier associated with the first endpoint device and corresponding to a serial number for the first meter, a second identifier associated with the first endpoint device and corresponding to a serial number for the first communication module, a third identifier associated with the first endpoint device and corresponding to a combination of the serial number for the first meter and the serial number for the first communication module, a fourth identifier associated with the second endpoint device and corresponding to a serial number for the second meter, a fifth identifier associated with the second endpoint device and corresponding to a serial number for the second communication module, and a sixth identifier associated with the second endpoint device and corresponding to a combination of the serial number for the second meter and the serial number for the second communication module the second endpoint device,

wherein the application layer is operable to reference the first endpoint device using the third identifier and to reference the second endpoint device using the sixth identifier,

wherein the end-device protocol layer is operable to reference the first endpoint device using the first identifier and to reference the second endpoint device using the fourth identifier,

wherein the network protocol layer is operable to reference the first endpoint device using the second identifier and to reference the second endpoint device using the fifth identifier.

17. The head-end system of claim 14, wherein the end-device protocol layer further includes an additional metering protocol adapter that supports an additional metering protocol used by a third plurality of endpoint devices communicatively couplable to the head-end system and included within the first network, and

wherein the first network protocol adapter and the second network protocol adapter are operable in the network protocol layer to receive messages from the first metering protocol adapter and the additional metering protocol adapter.