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    • 专利摘要:
    Improvements to IEC 61968-9:2013 meter reading schemas. These include significantly compressing messages into a single integer number which, when transmitted over a utility's communication system, is used to configure meters at utility user locations, obtain meter data, command and control operations at a utility location, and expand messaging capabilities. A method is disclosed for simplifying the IEC 61968-9:2013 schema for communications between a HeadEnd utility communications facility and the meter at an EndPoint so to enable use of the schema for operations it could not previously perform. While providing this enhanced capability, the IEC 61968-9:2013 schema's ability to function for its intended purpose; i.e., meter reading and control, is not compromised or impeded.
    公开号:ES2728139A2
    申请号:ES201990028
    申请日:2017-09-27
    公开日:2019-10-22
    发明作者:David Haynes；Timothy Dierking
    申请人:Aclara Technologies LLC；
    IPC主号:
    专利说明:

    [0001] Improvements to IEC 61968-9: 2013 standards for communications of a public services system
    [0002] REFERENCE TO RELATED APPLICATIONS
    [0003] This application is based on, and claims the benefit of, the provisional patent application 62 / 402,098 of the United States filed on September 30, 2016 and which is incorporated herein by reference.
    [0004] BACKGROUND OF THE INVENTION
    [0005] This invention relates to communications for electrical and other public services; and, more particularly, to a procedure and device for enhanced and improved communications between a utility company and its customers.
    [0006] A public service supplies a particular product (electricity, gas, water) through a distribution system to numerous end users. Typically, the utility company installs a counter at each customer location to measure the amount of product consumed by that customer at that facility or site. Over time, these meters have become what is now generally known as "smart meters" in the sense that they can now not only measure the use of the product, but also receive operational instructions from the public service for, for example, control or configure a load on the public service distribution system based on the current weather or other conditions, send reports or updates on the conditions at the location of a particular customer to the public service, and perform other functions.
    [0007] Communications between a utility company and its customers are made using certain standards such as, for example, the 61968-9: 2013 standard of the International Electrotechnical Commission (IEC). IEC 61968 comprises a series of standards for the exchange of information in an electrical distribution system, the standards have different patterns for different commercial purposes. IEC 61968-9 (hereinafter referred to as "Part-9") refers to electricity meters, reading and meter control; that is, communications between the head-end installation of a public service (HeadEnd or HE) that receives, processes and transmits signals through the public service communications network to a communications module installed on the counter at the customer's location ; that is, an end point (EndPoint or EP).
    [0008] A recent edition of the Part-9 standard lists 28 patterns, many of which are used for the configuration and control of communication system components. It has been found that compatibility with these patterns can be difficult and expensive for a device with calculation limitations; and that although some of the patterns are quite large, they are not necessarily adequate to meet the need for certain applications of a utility company. In addition, the current pattern is somewhat cumbersome. As an illustration, a "read counter" request in the IEC format is formatted as a "string" of integers (integers) and periods ("."). A complicated technique (not described) is required to construct an identifier that defines or describes the unit of measurement for the measurement of an electric meter.
    [0009] For example, to request a typical dial reading of the surface of a residential electricity meter, the identifier used in an Application Programming Interface (API) is a string such as 0.0.0.1.4.1.12.0.0.0.0.0.0.0 .3.72.0.
    [0010] The construction rules for this particular string specify 18 fields composed of characters; that is, digits and points.
    [0011] The present invention is directed to extensions to IEC 61968-9: 2013 read type identifiers to support EndPoint configurability; that is, the configuration of the device (public service meter) to which instructions, data and information requests are sent.
    [0012] SUMMARY OF THE INVENTION
    [0013] The present description is directed to improvements in IEC 61968- 9: 2013 meter reading patterns to extend read type identifiers to support the configuration of an EndPoint (EP) device (i.e., a service counter public) for which instructions, data and information requests are sent. These improvements include significant compression of the number of bytes used to compose messages sent from a HeadEnd (HE) location to the EP to obtain counter data and other information, set up a counter and expand the pattern messaging capabilities beyond the current pattern capabilities.
    [0014] In one application, a capability is now provided that allows reconfiguration of devices with limited computational capabilities, without requiring the use of additional specialized patterns, and that eliminates the need for previously used patterns.
    [0015] The use of the procedure meets the objectives of first, specifically serialize a Part-9 pattern to communicate data and counter events; and, second, to create an API based on the Part-9 standard so that, in addition to communicating the meter readings, the control parameters can also be transmitted to configure the meter so that it governs the operation of the equipment located in remotely
    [0016] The procedure not only simplifies the pattern for communications between a HeadEnd and an EndPoint (counter), but also allows the use of the pattern for operations that until now cannot be performed using the pattern. By achieving this enhanced capacity, the ability of the standard to function for the intended purpose; that is, the meter reading and control is not compromised or impeded.
    [0017] In addition, the procedure allows a different formulation for a message chain transmitted from a HeadEnd to an EndPoint to simplify and facilitate communications between them and at the same time expand the capabilities of a counter. The procedure allows you to define custom parameters, which are then written and read as standard reading types. In addition, the workflow required for the formulation of a chain can be reused to simplify the programming required to support the configurability of a counter and its communication module.
    [0018] In accordance with the invention, the method uses the "MeterReadings" pattern of Part-9 that is used for meter readings and alarms. Now, the "MeterReadings" pattern has been improved so that, in addition to its current functions, it extends to transmit configuration parameters between components. Due to this enhanced capacity, the pattern of Part-9 that is otherwise used for component configuration is not necessarily necessary. Furthermore, according to the invention, the formulation of a message sent between a HeadEnd and an EndPoint results in a single integer being transmitted instead of a string of integers and dots. This represents a significant reduction in the requirements for devices with calculation limitations and the cost of their use.
    [0019] The improvements of the invention for which fewer bytes need to be transmitted have the advantages of allowing more devices to communicate through a restricted communication channel, as well as allowing battery-operated communication devices to remain operational for long periods of time. before the device's battery runs out.
    [0020] Other objects and features will be partly apparent and partly noted below.
    [0021] DESCRIPTION OF THE DRAWINGS
    [0022] The attached figures, together with the detailed description that follows, form part of the specification and illustrate the various embodiments described in the specification.
    [0023] Fig. 1 illustrates an IEC 61968-9 pattern for meter readings as well as end device events;
    [0024] Fig. 2 is a continuation of the pattern of Fig. 1 for end device events;
    [0025] Fig. 3 is an additional continuation of the pattern of Fig. 1 for meter readings; Y,
    [0026] Fig. 4 illustrates a part of a pattern of Part-9 for communication module configurations.
    [0027] The corresponding reference characters indicate corresponding parts in the different views of the drawings. DESCRIPTION OF A PREFERRED EMBODIMENT
    [0028] The following detailed description illustrates the invention by way of example and not by way of limitation. This description clearly allows a person skilled in the art to make and use the invention, and describes various embodiments, adaptations, variations, alternatives and uses of the invention, including what is currently believed to be the best way to carry out the invention. Additionally, it should be understood that the invention is not limited in its application to the construction details and the arrangement of the components set forth in the following description or illustrated in the drawings.
    [0029] The invention is capable of other embodiments and of being practiced or carried out in various ways. In addition, it will be understood that the wording and terminology used in this document have a descriptive purpose and should not be considered limiting.
    [0030] For the purposes of this description, it will be understood that HeadEnd means a set of software that is part of an advanced measurement information system (AMI) that publishes field equipment data (for example, smart meters). It will be understood that EndPoint means field equipment, particularly the communications module in a smart meter, transponder, etc.
    [0031] Referring to Fig. 1-3, a format for formulating a chain using a conventional IEC 61968-9: 2013 meter reading pattern is shown to obtain a reading of an electric meter. In Fig. 1, the main headers or identifiers for the transmission are shown. In Fig. 2, subtitles or identifiers for end device events are shown. In Fig. 3, subtitles or identifiers are shown for a reading.
    [0032] In accordance with the present invention, the meter readings and custom parameters are listed in a HEEP (HeadEndEndPoint) list, and then a particular enumeration is listed as an integer. The message in the HEEP read type enumeration corresponding to a net kilowatt-hour reading is transmitted as the integer "20" instead of, for example, the string "0.0.0.1.4.1.12.0.0.0.0.0. 0.0.0.3.72.0 ". The preceding character string is generated using an extensible markup language (XML) that is well known in the art.
    [0033] The following example illustrates the conversion of an XML model to a HEEP serialization according to the invention. Load profile data with alarms.
    [0034] The interval data uses a MeterReadings.xsd in XML and a bit structure of "Compact meter readings" in the HEEP.
    [0035] The formulation in XML is as follows:
    [0036]
    [0037]
    [0038] 16T09: 28: 32Z <m created DateTi me>
    [0039] <m: EndDeviceEventType ref = "3.2.22.150" /> <! - electricMeter.battery.charge.minLimitReached -> </ m: EndDeviceEvents> <m: EndDeviceEvents>
    [0040] <m: createdDateTime> 2013-07-16T09: 30: 47Z </ m created DateTi me>
    [0041] <m: EndDeviceEventType ref = "3.18.83.79" /> <! - electricMeter.memory.program.error -> </ m: EndDeviceEvents> <m: EndDeviceEvents>
    [0042] <m: createdDateTime> 2001 -12
    [0043] 17T09: 30: 47Z </ m: created DateTi me>
    [0044] <m: EndDeviceEventDetails> <m: name> 0.0.0.1.0.1.148.0.0.0.0.0.0.0.0.0.111.0 </ m: name>
    [0045] <! - bulkQuantity electricitySecondaryMetered tamper (count) -> <m: val ue> 3 </ m: val ue>
    [0046] </ m: EndDeviceEventDetails>
    [0047] <m: EndDeviceEventType ref = "3.12.93.219" />
    [0048] <! - electricMeter.security.rotation.reversed -> </ m: EndDeviceEvents>
    [0049] <m: lntervalBlocks>
    [0050] <m: lntervalReadings>
    [0051] <m: value> 23.45678 </ m: value>
    [0052] </ m: lntervalReadings>
    [0053] <m: ReadingType
    [0054] ref = "0.0.6.4.1.1.12.0.0.0.0.0.0.0.0.3.72.0" />
    [0055] <! - fiveMinute deltaData forward electricitySecondaryMetered energy (kWh) ->
    [0056] </ m: I nterval Blocks>
    [0057] <m: lntervalBlocks>
    [0058] <m: lntervalReadings>
    [0059] <m: value> 0.00000 </ m: value>
    [0060] </ m: lntervalReadings>
    [0061] <m: ReadingType
    [0062] ref = "0.0.6.4.19.1.12.0.0.0.0.0.0.0.0.3.72.0" />
    [0063] <! - fiveMinute deltaData reverse electricitySecondaryMetered energy (kWh) ->
    [0064] </ m: lntervalBlocks>
    [0065] <m: lntervalBlocks>
    [0066] <m: lntervalReadings>
    [0067] <m: value> 1.23456 </ m: value>
    [0068] </ m: lntervalReadings>
    [0069] <m: ReadingType
    [0070] ref = "0.0.6.4.1.1.12.0.0.0.0.0.0.0.0.3.73.0" />
    [0071] <! - fiveMinute deltaData forward electricitySecondaryMetered energy (kVArh) ->
    [0072] </ m: I nterval Blocks>
    [0073] <m: lntervalBlocks>
    [0074] <m: lntervalReadings> <m: value> 479.9 </ m: value> </ m: lntervalReadings>
    [0075] <m: ReadingType
    [0076] ref = "0.0.0.6.0.1.54.0.0.0.0.0.0.0.128.0.29.0" />
    [0077] <! - indicating electricitySecondaryMetered voltage-rms phaseA (V) -> </ m: I nterval Blocks>
    [0078] <m: lntervalBlocks>
    [0079] <m: lntervalReadings> <m: value> 480.0 </ m: value> </ m: lntervalReadings>
    [0080] <m: ReadingType
    [0081] ref = "0.0.0.6.0.1.54.0.0.0.0.0.0.0.64.0.29.0" />
    [0082] <! - indicating electricitySecondaryMetered voltage-rms phaseB (V) -> </ m: I nterval Blocks>
    [0083] <m: lntervalBlocks>
    [0084] <m: lntervalReadings>
    [0085] <m: value> 10.0 </ m: value>
    [0086] </ m: lntervalReadings>
    [0087] <m: ReadingType
    [0088] ref = "0.0.0.6.0.1.54.0.0.0.0.0.0.0.32.0.29.0" />
    [0089] <! - indicating electricitySecondaryMetered voltage-rms phaseC (V) -> </ m: I nterval Blocks>
    [0090] <m: Meter>
    [0091] <m: Names>
    [0092] <m: name> 12345 </ m: name>
    [0093] </ m: Names>
    [0094] </ m: Meter>
    [0095] <m: valueslnterval>
    [0096] <m: end> 2013-07-16T10: 30: 00Z </ m: end>
    [0097] </ m: valueslnterval>
    [0098] </ m: MeterReading>
    [0099] </ m: MeterReadings>
    [0100] </Payload>
    [0101] </EventMessage>
    [0102]
    [0103] The resulting size of the XML message is approximately 2920 bytes in length.
    [0104] The HEEP version is presented according to the following table:
    [0105]
    [0106]
    [0107]
    [0108]
    [0109]
    [0110] With respect to the foregoing, it will be noted that the identification of the particular counter (meter ID) is not represented because it is represented in a different layer.
    [0111]
    [0112] Importantly, the use of the HEEP bit structure now reduces the size of the transmitted message from 2920 bytes in the XML format to only 63 bytes. This is a reduction of approximately 98% in the number of bytes that must be transmitted to obtain the same information.
    [0113]
    [0114] As another example, real-time alarms, such as "last sigh" and "restored power" alarms, use a "MeterReadings.xsd" in XML, and a bit structure of "Complete meter readings" in e1HEEP .
    [0115] The formulation in XML is as follows:
    [0116]
    [0117] <EventMessage xmlns = ”http: Alec.ch/TC57/2011/schem
    [0118] <Header>
    [0119] <Verb> created </Verb>
    [0120] <Noun> MeterReadings </Noun>
    [0121] </Header>
    [0122] <Payload>
    [0123] <m: MeterReadings xmlns: m = "http://iec.ch/TC57/2011/MeterReadings#" xmlns: xsi = "http://www.w3.org/2001/XMLSchema-instance" xsi: schemaLocation = " http://iec.ch/TC57/2011/MeterReadings# MeterReadings.xsd ">
    [0124] <m: MeterReading> <m: isCoincidentTrigger> false </ m: isCoincidentTrigger> <m: EndDeviceEvents>
    [0125] <m: createdDateTime> 2015-01 -13T 11: 15: 08Z </ m: createdDateTime>
    [0126] <m: EndDeviceEventType ref = "26.26.0.216" />
    [0127] <! -com Device, power .. restored->
    [0128] </ m: EndDeviceEvents>
    [0129] <m: Meter>
    [0130] <m: Names>
    [0131] <m: name> 12345 </ m: name>
    [0132] </ m: Names>
    [0133] </ m: Meter>
    [0134] <m: Readings>
    [0135] <m: val ue> 34 </ m: val ue>
    [0136] <m: ReadingType
    [0137] ref = "0.0.0.1.0.1.137.0.0.0.0.0.0.0.0.0.111.0" />
    [0138] <! - bulkQuantity electricitySecondaryMetered
    [0139] powerQuality (count) ->
    [0140] </ m: Readings>
    [0141] <m: Readings>
    [0142] <m: value> 240.1 </ m: value> <m: ReadingType ref = "0.0.0.6.0.1.54.0.0.0.0.0.0.0.128.0.29.0" />
    [0143] <! - indicating electricitySecondaryMetered voltage-rms phaseA (V) ->
    [0144] </ m: Readings>
    [0145] <m: Readings>
    [0146] <m: value> 240.1 </ m: value> <m: ReadingType ref = "0.0.0.6.0.1.54.0.0.0.0.0.0.0.64.0.29.0" />
    [0147] <! - indicating electricitySecondaryMetered voltage-rms phaseB (V) -> </ m: Readings>
    [0148] <m: Readings>
    [0149] <m: value> 240.2 </ m: value> <m: ReadingType ref = "0.0.0.6.0.1.54.0.0.0.0.0.0.0.32.0.29.0" />
    [0150] <! - indicating electricitySecondaryMetered voltage-rms phaseB (V) -> </ m: Readings>
    [0151] <m: valueslnterval>
    [0152] <m: end> 2015-01 -13T11: 15: 10Z </ m: end>
    [0153] <! - This is a common timestamp for all readings and events that otherwise do not have a timestamp provided.- ->
    [0154] </ m: valueslnterval>
    [0155] </ m: MeterReading>
    [0156] </ m: MeterReadings>
    [0157] </Payload>
    [0158] </EventMessage>
    [0159]
    [0160] This XML version requires 1699 bytes.
    [0161]
    [0162] The HEEP version is presented according to the following table:
    [0163]
    [0164]
    [0165]
    [0166]
    [0167] According to the method of the invention, the HEEP version requires only 43 bytes, which is ~ 2A % of what is required in the XML version.
    [0168] Those skilled in the art will understand that the results of both examples include statistically significant savings in the operation of the system to acquire the same information that was previously obtained using the XML protocols and represent statistically significant reductions in the requirements for computer-restricted or restricted memory devices. and the cost of using them.
    [0169] As an example, certain communication channels are restricted so that only limited amounts of information about them can be transmitted. Consequently, the ability to transmit fewer bytes through the channel to communicate instructions or acquire data now allows more devices to communicate through those channels. In addition, some communication devices run on batteries and the time they can communicate is limited by the number of bytes they must transmit to communicate instructions or acquire data before their batteries run out. Having to transmit fewer bytes, as a result of the improvements of the present invention, now allows these devices to remain operational for a longer time before a device's battery runs out.
    [0170] In addition to these advantages, an additional advantage of the improvements of the present invention is that they provide the ability to reconfigure devices such as smart meters, for example, without requiring support for additional specialized patterns. Currently, the pattern of Part-9 defines that MeterReadings.xsd has a size of 21 kB. However, according to the invention, MeterReadings.xsd can now also be used to make configuration changes and this reuse allows other patterns to be used. These include, for example, MeterConfig.xsd that is defined with a size of 42kB, and ComModuleConfig.xsd that is defined with a size of 17kB. In addition, other patterns that were previously used now become unnecessary. All this saves valuable memory space on devices with limited computing capabilities. An example of this feature is described below.
    [0171] With reference to Fig. 4, a part of a pattern of Part-9 is shown for the configuration of the communication modules. In addition to the data collection and control instructions of the two previous examples, the method of the invention also allows changes or adjustments in the communications module of a smart meter to affect system operations. These adjustments can be made "by waves" and the standard in Part-9, whose part is shown in Fig. 4, uses an XML pattern for this purpose. The next is An example of a counter setting for a time zone offset.
    [0172] The pattern used is ComModuleConfig.xsd., And the XML process is as follows:
    [0173]
    [0174]
    [0175]
    [0176] As formulated, the message requires 546 bytes.
    [0177] In the HEEP version according to the method of the invention, this time zone parameter is treated like any other reading and carries a parameter write within a "ExchangeWithlD" bit structure and the HEEP version is represented according to the following picture:
    [0178]
    [0179]
    [0180]
    [0181]
    [0182] Again according to the method of the invention, the HEEP version requires only 12 bytes, which is approximately 2% of what is required in the XML version.
    [0183]
    [0184] In view of the above, it will be seen that the various objects and advantages of the present disclosure have been achieved and other advantageous results have been obtained.
    权利要求:
    Claims (15)
    [1]
    1. In an IEC 61968-9 pattern for obtaining readings of an EndPoint device that includes a public service counter, as well as ordering and controlling events that occur on an EndPoint device, the enhancement includes reformatting a message transmitted from a HeadEnd to a EndPoint from an XML protocol format in a HeadEnd-EndPoint (HEEP) format to reduce the number of bytes that make up the message that is transmitted, to improve communications between HeadEnd and EndPoint and increase the number of types of messages that can be transmitted between HeadEnd and EndPoint.
    [2]
    2. The improvement of claim 1, wherein the transmission of messages composed of the reduced number of bytes facilitates the communication of messages through a communications channel restricted to additional devices that could otherwise communicate with those if the messages were generated using the XML protocol format.
    [3]
    3. The improvement of claim 1, wherein the transmission of messages generated with the reduced number of bytes allows battery-operated communication devices to remain operational for a longer time before the battery of a device runs out because The reduction in the number of bytes of messages reduces the battery discharge of a battery-powered device when receiving and processing the messages.
    [4]
    4. The improvement of claim 1 to provide an ability to reconfigure devices that have limited computational capabilities, without requiring the use of additional specialized message patterns, and eliminating the need for patterns used if the messages were generated in an XML protocol format. .
    [5]
    5. The improvement of claim 1, wherein the messages transmitted between HeadEnd and EndPoint only comprise a single integer instead of a string of integers and dots, in accordance with the need to use the XML protocol format.
    [6]
    6. The improvement of claim 1, wherein the message reformatting allows defining custom parameters for a counter, said parameters being written and read as other types of standard reading.
    [7]
    7. The improvement of claim 6, whose meter reading patterns are extended to allow the transmission of configuration parameters between devices, including other utility meters.
    [8]
    8. The improvement of claim 7, further including reconfiguration of devices with limited computational capabilities without requiring the use of specialized patterns or patterns previously used to reconfigure the devices.
    [9]
    9. A procedure to improve communications in a public services communication system comprising:
    reformat a message generated in an IEC 61968-9 pattern of an XML protocol format to a HeadEnd-EndPoint (HEEP) format in which the message is transmitted from a HeadEnd (HE) location to an EndPoint (EP) location in the that a public service counter is found, the message generated in this way requires fewer bytes to produce and transmit in the HEEP format than in the XML protocol format;
    transmit the message from the HeadEnd location to the EndPoint location through the public service communication in the HEEP format to obtain public service meter readings in the EndPoint and to order and control the events that occur in the EndPoint using the counter of the EndPoint public service in the EndPoint location, which reduces the number of bytes that the transmitted message comprises, which increases the number of types of messages that can be transmitted between HeadEnd and EndPoint.
    [10]
    10. The method of claim 9, which further facilitates the communication of messages through a restricted communications channel so that the messages can be transmitted to additional devices of which they could communicate other than if the messages were generated using the XML protocol format.
    [11]
    11. The method of claim 9, wherein the transmission of messages generated with the reduced number of bytes allows the battery-operated communication devices to remain operational for a longer time before the battery of a device runs out because The reduction in the number of bytes of messages reduces the discharge of the battery by the battery-powered device when receiving and processing the messages.
    [12]
    12. The method of claim 9, further including providing an ability to reconfigure devices that have limited computational capabilities without requiring the use of additional specialized message patterns, and which eliminates the need for patterns used if the messages were generated in the format. of XML protocol.
    [13]
    13. The method of claim 9, further including the transmission of messages between HeadEnd and EndPoint as a single integer instead of a string of integers and points, as required if the messages were generated using the XML protocol format .
    [14]
    14. The method of claim 9, which further includes reformatting messages in the HEEP format that allows defining custom parameters for a counter, said parameters are written and read as other types of standard reading.
    [15]
    15. The method of claim 14, further including extending the meter reading patterns to allow the transmission of configuration parameters between devices within the public service communication system including other public service meters.
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    法律状态:
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    优先权:
    申请号 | 申请日 | 专利标题
    US201662402098P| true| 2016-09-30|2016-09-30|
    PCT/US2017/053721|WO2018064167A1|2016-09-30|2017-09-27|Improvements to iec 61968-9:2013 schemas for a utility system's communications|
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