On-line web accessed energy meter
View Patent ↗An electrical metering system capable of performing multiple metering functions, collecting data, and wirelessly provides the collected metering data to a utility operator. In the electrical metering system, at least one computing device for initiating a request for data. A first modem connects the computing device to an infrastructure. A wireless embedded modem for wirelessly connects an electric meter to an infrastructure, and the wireless electric modem receives a request from the computing device and wirelessly transmits the metering data to the computing device, thereby initiating the request.
1. A meter for measuring and monitoring electrical energy, the device comprising:
a digital sampler configured for sampling voltage and current waveforms;
at least one processor configured to collect the sampled voltage and current waveforms and generate power consumption data from the sampled voltage and current waveforms;
a wireless embedded communications device coupled to the at least one processor and configured for transmitting the data to a computing device residing on an infrastructure; and
wherein the at least one processor acts as a server for the meter in managing the metering data and the connection between the computing device, wherein the server provides data to the computing device in the form of web pages via a network protocol.
2. The meter of claim 1 , where in the network protocol is an e-mail protocol.
3. The meter of claim 1 , wherein the network protocol is FTP.
4. The meter of claim 1 , wherein the network protocol is Modbus TCP.
5. The meter of claim 1 , wherein the meter is a socket-type energy meter.
6. The meter of claim 1 , wherein the meter is a switchboard panel meter.
7. The meter of claim 1 , wherein the meter is a commercial sub-meter.
8. The meter of claim 1 , wherein the wireless embedded communications device operates on a 802.11 protocol.
9. The meter of claim 1 , wherein the wireless embedded communications device operates on a General Packet Radio Service (GPRS) protocol.
10. The meter of claim 1 , wherein the wireless embedded communications device operates on a cellular network protocol.
11. The meter of claim 10 , wherein the at least one processor is further configured to control the wireless embedded communications device to maintain a ready state for a dial-up session with the computing device.
12. The meter of claim 1 , wherein the server provides data to the computing device in Hypertext Markup Language (HTML) or Extensible Markup Language (XML).
13. The meter of claim 1 , further comprising an external device interface coupled to the at least one processor to receive data from at least one external device.
14. The meter of claim 1 , wherein the wireless embedded communications device operates on a protocol selected from the group consisting of Code Division Multiple Access (CDMA), and Wideband Code Division Multiple Access (WCDMA).
15. The meter of claim 1 , wherein the wireless embedded communications device is coupled to the at least one processor via a serial protocol.
16. The meter of claim 15 , wherein the serial protocol is a Modbus remote terminal unit (RTU) protocol.
17. The meter of claim 15 , wherein the serial protocol is a DNP protocol.
18. The device of claim 1 , wherein the infrastructure is a wide area network.
19. The device of claim 18 , wherein the wide area network is Ethernet-based.
20. The device of claim 19 , wherein the wide area network uses Dynamic Host Configuration Protocol (DHCP) to assign an IP address to the wireless embedded communications device.
21. The device of claim 19 , wherein the wide area network includes at least one wireless access point and the wireless embedded communications device connects to the infrastructure via the at least one wireless access point.
22. The device of claim 1 , wherein the infrastructure is a wide area network operating on TCP/IP.