WO2017067179A1 - Procédé, appareil, et système d'attribution d'adresse de communication à un compteur intelligent - Google Patents

Procédé, appareil, et système d'attribution d'adresse de communication à un compteur intelligent Download PDF

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Publication number
WO2017067179A1
WO2017067179A1 PCT/CN2016/084749 CN2016084749W WO2017067179A1 WO 2017067179 A1 WO2017067179 A1 WO 2017067179A1 CN 2016084749 W CN2016084749 W CN 2016084749W WO 2017067179 A1 WO2017067179 A1 WO 2017067179A1
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WIPO (PCT)
Prior art keywords
identifier
communication address
dcu
smart meter
message
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PCT/CN2016/084749
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English (en)
Chinese (zh)
Inventor
吴木林
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华为技术有限公司
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Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Publication of WO2017067179A1 publication Critical patent/WO2017067179A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L61/00—Network arrangements, protocols or services for addressing or naming
    • H04L61/50—Address allocation
    • H04L61/5046—Resolving address allocation conflicts; Testing of addresses
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L61/00—Network arrangements, protocols or services for addressing or naming

Definitions

  • the present invention relates to the field of communications technologies, and in particular, to a method, apparatus, and system for allocating a smart meter communication address.
  • the smart meter accesses the Data Concentrating Unit (DCU), and the DCU connects to the main station of the Advanced Metering Infrastructure (AMI) through the network.
  • the master station can collect the smart meter through the network. Data, control of smart meters, etc.
  • each smart meter When the DCU communicates with the smart meter via the RS (Recommended Standard)-485 protocol, each smart meter must be assigned a communication address, also known as the 485 address. Usually, the maintenance personnel assign a corresponding 485 address to each smart meter on the primary station, then input the 485 address corresponding to each smart meter in the DCU, and configure the corresponding 485 address in each smart meter so that the DCU can The data of each smart meter is obtained based on the 485 address of each smart meter.
  • RS Recommended Standard
  • An embodiment of the present invention provides a method, an apparatus, and a system for allocating a communication address, in which a maintenance personnel needs to manually input a communication address in a primary station, a DCU, and a smart meter in a process of assigning a communication address to a smart meter.
  • the configuration has a large workload and low efficiency, and can avoid configuration errors occurring at any place in the primary station and the DCU, resulting in address conflicts, and the smart meter reading system cannot work normally.
  • the first aspect provides a method for allocating a communication address, which is performed by a data center unit DCU, and the method specifically includes:
  • the DCU assigns a communication address to the smart meter according to the identifier of the smart meter provided by the main station, and sends the smart meter to the smart meter through the broadcast message, so that the smart meter is automatically configured, so that no maintenance personnel need to manually in the main station, the DCU and the smart meter. Configure the communication address of each smart meter, which can reduce the deployment cost and improve the efficiency and accuracy of communication address allocation.
  • the identifier notification message further includes a second identifier
  • the identifier notification message Assigning, according to the identifier notification message, the first communication address to the first identifier, assigning a second communication address to the second identifier, and saving the first identifier and the first communication An address pair and the second identifier and the second communication address pair;
  • the communication address assignment message further includes the second identifier and the second communication address pair, so that the second smart meter having the second identifier configures the second communication address.
  • communication addresses can be assigned to multiple smart meters at the same time, further improving the efficiency of communication address allocation.
  • the DCU allocates the first communication to the first identifier according to the identifier notification message An address, the second identifier is assigned to the second identifier, including:
  • the method further includes:
  • the DCU can confirm whether the smart has successfully configured the assigned first communication address.
  • the method further includes:
  • a method for allocating a communication address is provided, which is performed by a smart meter, and the method specifically includes:
  • the communication address assignment message includes a first identifier and a first communication address pair, where the first communication address is allocated by the DCU according to the first identifier;
  • the first communication address is configured when the smart meter determines that the first identifier is an identifier of the smart meter.
  • the smart meter automatically allocates the communication address according to the communication address assignment message, which can reduce the deployment cost of manually configuring the communication address for the smart meter, avoid manual configuration errors, and improve the accuracy of communication address allocation.
  • the method further includes:
  • the DUC can know in time whether the smart meter successfully configures the allocated first communication address, and improves the efficiency of the communication address allocation.
  • the method further includes:
  • the DCU Acquiring the current data according to the second data query message, and sending a first feedback message to the DCU, where the first feedback message includes the first communication address and current data of the smart meter.
  • a data concentrating unit DCU having a function of implementing DCU behavior in the above method.
  • the functions may be implemented by hardware or by corresponding software implemented by hardware.
  • the hardware or software includes one or more modules corresponding to the functions described above.
  • the DCU includes: a processor, a receiver, and a transmitter; wherein
  • the receiver is configured to receive an identifier notification message sent by the primary station, where the identifier notification message includes a first identifier;
  • the processor configured to allocate a first communication address to the first identifier according to the identifier notification message, and save the first identifier and the first communication address pair;
  • the transmitter is configured to broadcast a communication address assignment message, where the communication address assignment message includes the first identifier and the first communication address pair, so that the first smart with the first identifier
  • the meter configures the first communication address.
  • the DCU includes:
  • a first receiving module configured to receive an identifier notification message sent by the primary station, where the identifier notification message includes a first identifier
  • An allocating module configured to allocate a first communication address to the first identifier according to the identifier notification message, and save the first identifier and the first communication address pair;
  • a first sending module configured to broadcast a communication address allocation message, where the communication address assignment message includes the first identifier and the first communication address pair, so that the first smart with the first identifier
  • the meter configures the first communication address
  • a smart meter having a function of implementing the behavior of the smart meter in the above method.
  • the functions may be implemented by hardware or by corresponding software implemented by hardware.
  • the hardware or software includes one or more modules corresponding to the functions described above.
  • the smart meter includes: a processor and a receiver; wherein
  • the receiver is configured to receive a communication address assignment message sent by the DCU, where the communication address assignment message includes a first identifier and a first communication address pair, where the first communication address is the DCU according to the An identifier is assigned;
  • the processor is configured to configure the first communication address when determining that the first identifier is an identifier of the smart meter.
  • the smart meter includes:
  • a first receiving module configured to receive a communication address assignment message sent by the DCU, where the communication address assignment message includes a first identifier and a first communication address pair, where the first communication address is the DCU according to the An identifier is assigned;
  • a configuration module configured to configure the first communication address when the smart meter determines that the first identifier is an identifier of the smart meter.
  • a system for assigning a communication address comprising a primary station, a DCU and a smart meter, wherein:
  • the primary station is configured to send an identifier notification message to the DCU, where the identifier notification message includes a first identifier;
  • the DCU is configured to receive the identifier notification message, allocate a first communication address to the first identifier according to the identifier notification message, and save the first identifier and the first communication address And transmitting, by the broadcast, a communication address assignment message, where the communication address assignment message includes the first identifier and the first communication address pair;
  • the smart meter is configured to receive the communication address assignment message, and configure the first communication address when determining that the first identifier is an identifier of the smart meter.
  • the DCU receives the identifier notification message sent by the primary station, where the identifier notification message includes the first identifier, and the DCU allocates the first communication address to the first identifier according to the identifier notification message, and saves a first identifier and a first communication address pair, the DCU broadcasts a communication address assignment message, the communication address assignment message includes a first identifier and a first communication address pair, so that the first smart meter configuration having the first identifier is configured A communication address, so that the smart meter can be automatically assigned a communication address according to the identifier of the received smart meter, and the maintenance address of the smart meter can be manually configured in the main station, the DCU, and the smart meter without the maintenance personnel, thereby reducing the deployment. Cost, improve the efficiency and accuracy of communication address allocation.
  • FIG. 1 is a flowchart of a method for allocating a communication address according to an embodiment of the present invention
  • FIG. 2 is a flowchart of another method for allocating a communication address according to an embodiment of the present invention
  • FIG. 3 is a system frame diagram provided by an embodiment of the present invention.
  • FIG. 4 is a flowchart of still another method for allocating a communication address according to an embodiment of the present invention.
  • FIG. 5 is a flowchart of a method for querying current data of a smart meter according to an embodiment of the present invention
  • FIG. 6 is a schematic structural diagram of a DCU according to an embodiment of the present disclosure.
  • FIG. 7 is a schematic structural diagram of another DCU according to an embodiment of the present disclosure.
  • FIG. 8 is a schematic structural diagram of a smart meter according to an embodiment of the present invention.
  • FIG. 9 is a schematic structural diagram of another smart meter according to an embodiment of the present invention.
  • the embodiment of the present invention provides a system for allocating a communication address, including a primary station, a DCU, and a plurality of smart meters.
  • FIG. 3 it is a schematic diagram of a system framework according to an embodiment of the present invention.
  • Each smart meter can have a unique identifier (such as a table number).
  • the smart meters of all users in a certain area (such as a certain cell) access the DCU in the area, and the DCU communicates with the main station.
  • the primary station in the present invention is an AMI primary station.
  • the AMI primary station may include a Data Collection Platform (DCP) device, also referred to as a front-end machine, that communicates with the DCU over the network.
  • DCP Data Collection Platform
  • the primary station is configured to send an identifier notification message to the DCU, where the identifier notification message includes the first identifier.
  • a DCU configured to receive an identifier notification message sent by the primary station, where the identifier notification message includes a first identifier, assigning a first communication address to the first identifier according to the identifier notification message, and saving the first identifier and the first identifier a communication address pair, a broadcast transmission communication address assignment message, and a communication address assignment message Include a first identifier and a first communication address pair;
  • Each smart meter of the plurality of smart meters may be configured to receive a communication address assignment message sent by the DCU broadcast, where the communication address assignment message includes a first identifier and a first communication address pair, where the first communication address is a DCU according to the first identifier
  • the allocation when determining that the first identifier is an identifier of the smart meter, configuring the first communication address, and if it is determined that the first identifier is not its own identifier, the processing may be ended.
  • the DCU may receive the identifier notification message sent by the primary station, and then may assign a corresponding communication address (ie, the first communication address) to the first identifier in the identifier notification message, and save the first identifier and the first identifier.
  • a communication address pair such as a correspondence table between the identifier of the smart meter and the communication address, and then the DCU broadcasts the communication address assignment message, and the communication address assignment message may include the first identifier and the first communication address pair.
  • the DCU can transmit only one set of smart meter identifiers and communication address pairs in a single broadcast manner, or can send multiple sets of identifiers and communication address pairs in a single broadcast manner to improve the efficiency of communication address allocation.
  • the smart meter may determine whether the first identifier is its own identifier. If yes, the first communication address may be configured. If not, the communication address assignment message may be discarded.
  • the DCU receives the identifier notification message sent by the primary station, where the identifier notification message includes the first identifier, and the DCU allocates the first communication address to the first identifier according to the identifier notification message, and saves the first And the first communication address pair, the DCU broadcasts a communication address assignment message, the communication address assignment message includes a first identifier and a first communication address pair, so that the first smart meter having the first identifier configures the first communication
  • the address in this way, can automatically assign a communication address to the smart meter according to the identifier of the received smart meter, and the maintenance address is not required by the maintenance personnel to manually configure the communication address of each smart meter in the main station, the DCU, and the smart meter, thereby reducing the deployment cost. Improve the efficiency and accuracy of communication address allocation.
  • the embodiment of the invention provides a method for allocating a communication address, and the assignment of the communication address is completed by the interaction between the primary station, the DCU and the smart meter.
  • the smart meter can be a smart meter, a smart water meter or a smart gas meter.
  • the smart meter is used as an example for the smart meter, and other situations are similar.
  • the processing flow of the DCU in the method may include the following steps:
  • Step 101 The DCU receives an identifier notification message sent by the primary station, where the identifier notification message includes First identifier.
  • the primary station may add an identifier (ie, a first identifier) of the electrical meter that needs to be assigned a communication address to the identifier notification message, and then may send the identifier notification message to the corresponding DCU, and the DCU may receive the primary The identifier notification message sent by the station, and the identifier notification message may be parsed, the first identifier is obtained, and the received first identifier may be stored.
  • an identifier ie, a first identifier
  • the primary station may send only one identifier of the electric meter to the DCU at a time, or may send the identifiers of the plurality of electric meters to the DCU at a time, and the identifier notification message may further include the second identifier.
  • Step 102 The DCU allocates a first communication address to the first identifier according to the identifier notification message, and saves the first identifier and the first communication address pair.
  • a communication address that can be assigned to the meter can be pre-stored in the DCU, and the used communication address and the unused communication address can be recorded for distribution processing.
  • the communication address of the meter can be represented by an 8-bit binary number.
  • the DCU parses the identifier notification message to obtain the first identifier, and then can determine the unused communication address in the communication address pre-stored by the DCU, in the unused In the communication address, the first communication address is obtained, and the first communication address may be allocated to the electricity meter corresponding to the first identifier, and the first identifier and the first communication address pair may be saved, and the correspondence between the identifier and the communication address is established.
  • the DCU can store the identifier and the communication address pair in the form of a correspondence table, as shown in Table 1:
  • the identifier notification message further includes a second identifier
  • the process in step 102 may be as follows: the DCU allocates a first communication address to the first identifier according to the identifier notification message, and allocates the second identifier. a second communication address and storing the first identifier and the first communication address pair and the second identifier and the second communication address pair.
  • the DCU may parse the identifier notification message to obtain the first identifier and the second identifier, and then may be pre-stored in the DCU.
  • the unused communication addresses two communication addresses (ie, the first communication address and the second communication address) are selected, the first communication address is assigned to the electricity meter corresponding to the first identifier, and the second communication address is assigned to the second communication address.
  • the electric meter corresponding to the identifier and may store the first identifier and the first communication address pair, and the second identifier and the second communication address pair, and establish a correspondence between the identifier and the communication address.
  • the DCU may sequentially assign the first communication address and the second communication address to the first identifier and the second identifier in an order in which the identifier notification message carries the first identifier and the second identifier.
  • An address pool can be set in the DCU, and all the communication addresses can be stored in the address pool, and the communication address already assigned to the electricity meter is marked as the used communication address, and the unassigned communication address is marked as unused. Communication address.
  • the DCU can store only unused communication addresses (ie, unassigned communication addresses) in the address pool.
  • the DCU may have two address pools that store the used communication address (ie, the communication address that has been assigned to the meter) and the unused communication address (ie, the unassigned communication address).
  • the DCU can obtain the first communication address and the first communication address in the order of the communication address in the unused communication address. Transmitting the first communication address and the second communication address, and sequentially assigning the first communication address and the second communication address to the first identifier and the second identifier, according to the order of carrying the first identifier and the second identifier in the identifier notification message The identifier is recorded corresponding to the communication address.
  • the DCU obtains the currently unused communication addresses from the address pool to 00001100, 00001101, 00001110, and 00001111, and the received identifiers are 1230 and 1231, you can assign 00001100 to the 1230 corresponding meter and 00001101 to 1231. Electric meter.
  • Step 103 The DCU broadcasts a communication address assignment message, where the communication address assignment message includes a first identifier and a first communication address pair, so that the first smart meter having the first identifier configures the first communication address.
  • the first communication address and the first identifier pair may be placed in a communication address assignment message, and the communication address assignment message is a broadcast message.
  • the communication address assignment message can then be sent in broadcast form to the meter connected to the DCU.
  • the 485 communication protocol is used between the DCU and the meter for communication.
  • the message that the DCU broadcasts to the communication address of the meter can be a message in the Modbus format or a packet in the High-Level Data Link Control (HDLC) format.
  • HDLC High-Level Data Link Control
  • the address field is 8 bits and is used to write the destination address, usually represented by an 8-bit binary number.
  • the address range is 0 to 255, where 0 is the broadcast address, 248 to 255 is the reserved address, and the address that can be assigned to the node is 1 to 247.
  • the DCU writes a message to the communication address of the electric meter broadcast, and the address field writes 00000000.
  • the function field can use a custom function code to specifically indicate the address assignment.
  • the function code needs to be distinguished from other function codes for the meter to recognize.
  • the specific value of the function code can be defined by the manufacturer of each meter.
  • the data field is used to carry communication data.
  • an identifier and a communication address pair are written in the data field.
  • the data format in the data domain can be as follows:
  • the DCU can assign a communication address to one meter at a time, or can assign a communication address to multiple meters at a time.
  • the identifiers and communication address pairs of different meters can be written together according to the above format. Enter the data field.
  • the packets in HDLC format are as follows:
  • the destination address field can be 16 bits (bit) for writing to the destination address.
  • the source address field is 16 bits (bit) for writing to the source address, usually expressed in hexadecimal numbers.
  • the address range can be 0 ⁇ 0x3FFF, where 0x3FFF is the broadcast address, 0x00002 ⁇ 0x000F is the reserved address, and the remaining addresses can be assigned to node.
  • the communication address assignment message sent by the DCU to the meter broadcast uses the HDLC format message
  • the address of the DCU can be written in the source address field, and the broadcast address 0x3FFF is written in the destination address field.
  • User data information is used to carry communication data.
  • the DCU can write an identifier and a communication address pair in the user data information.
  • the data format in the user data information can be the same as the Modbus message.
  • the DCU can assign a communication address to one smart meter at a time, or can assign a communication address to multiple smart meters at a time.
  • the identifiers and communication address pairs of different electric meters can be defined as above.
  • the data format is written together into the user data information.
  • the address configuration success message may be sent to the DCU.
  • the processing of the DCU may be as follows: the DCU receives the first identifier with the first identifier.
  • the address configuration success message sent by the smart meter includes the first identifier in the address configuration success message.
  • the address configuration success message further includes the first communication address.
  • the DCU After receiving the address configuration success message of the first power meter, the DCU can confirm that the first power meter successfully configures the address. If the DCU broadcasts the communication address assignment message and does not receive the address configuration success message of the first power meter within the preset time period, it is considered that the first power meter does not successfully configure the address, and the communication address can be re-broadcasted. And assigning a message carrying the first identifier and the first communication address pair of the first meter. This can improve the accuracy of address allocation.
  • the DCU In the case of assigning a communication address to a plurality of electric meters at a time, if the address configuration success message of one (or some) of the electric meters is not received within the preset time period, the DCU considers that the electric meter(s) have not successfully configured the address.
  • the communication address assignment message is broadcast again, it is only necessary to carry the identifier of the meter(s) and the communication address pair in the message. This not only improves the efficiency of address allocation but also ensures accuracy.
  • the processing flow of the electric meter in the method may include the following steps:
  • Step 201 The smart meter receives a communication address assignment message sent by the DCU broadcast, where the communication address assignment message includes a first identifier and a first communication address pair, and the first communication address is allocated by the DCU according to the first identifier.
  • the electricity meter can receive the communication address assignment message sent by the DCU, and then parse the communication address assignment message to obtain the first identifier and the first communication. Address for subsequent processing.
  • Step 202 When the smart meter determines that the first identifier is an identifier of the smart meter, the smart meter is configured Set the first communication address.
  • the identifier of the electric meter may be acquired, and if the first identifier is the same (identical) as the identifier of the electric meter, The meter can store the first communication address as the communication address of the self (the meter). If the first identifier in the communication address assignment message is different (inconsistent) from the identifier of the meter, the communication address assignment message may be discarded.
  • the DCU can be notified, and the corresponding processing process can be as follows: the smart meter sends an address configuration success message to the DCU.
  • the address configuration success message may be sent to the DCU, so that the DCU can accurately know whether the first electric meter successfully configures the address. If the DCU broadcasts the communication address assignment message and does not receive the address configuration success message within the preset duration, the transmission communication address assignment message may be rebroadcast.
  • the DCU receives the identifier notification message sent by the primary station, where the identifier notification message includes the first identifier, and the DCU allocates the first communication address to the first identifier according to the identifier notification message, and saves the first And the first communication address pair, the DCU broadcasts a communication address assignment message, the communication address assignment message includes a first identifier and a first communication address pair, so that the first smart meter having the first identifier configures the first communication
  • the address in this way, can automatically assign a communication address to the smart meter according to the identifier of the received smart meter, and the maintenance address is not required by the maintenance personnel to manually configure the communication address of each smart meter in the main station, the DCU, and the smart meter, thereby reducing the deployment cost. Improve the efficiency and accuracy of communication address allocation.
  • An embodiment of the present invention provides a system for allocating a communication address, including a primary station, a data centralized unit DCU, and a smart meter.
  • the process of allocating a communication address for a smart meter includes the following steps:
  • Step 401 The primary station sends an identifier notification message to the DCU, where the identifier notification message includes a first identifier.
  • the primary station may add an identifier (ie, a first identifier) of the smart meter that needs to be assigned a communication address to the identifier notification message, which may then be sent to the corresponding DCU.
  • the primary station knows that the smart meter is connected to the DCU, and when the primary station determines that the smart meter needs to allocate a communication address, for example, when the smart meter just joins the system, the DCU connected to the smart meter by the primary station An identifier notification message is sent, the identifier notification message including an identifier of the smart meter, that is, a first identifier.
  • the primary station may also send multiple identifiers to the DCU at a time, so that the DCU allocates communication addresses for the smart meters corresponding to the multiple identifiers.
  • the DCU may parse the identifier notification message, obtain the first identifier, and store the received first identifier.
  • Step 402 The DCU receives the identifier notification message sent by the primary station, allocates a first communication address to the first identifier according to the identifier notification message, and saves the first identifier and the first communication address pair.
  • a communication address that can be assigned to the meter can be pre-stored in the DCU, and the used communication address and the unused communication address can be recorded for distribution processing.
  • the communication address of the meter can be represented by an 8-bit binary number.
  • the DCU After receiving the identifier notification message sent by the receiving station, the DCU parses the identifier notification message to obtain the first identifier, and then can determine the unused communication address in the communication address pre-stored by the DCU, and is not used. Obtaining a first communication address, and then assigning the first communication address to the electricity meter corresponding to the first identifier, and storing the identifier and the communication address pair, and establishing a correspondence between the identifier and the communication address, for example, 1 is shown.
  • Step 403 The DCU broadcasts a communication address assignment message, where the communication address assignment message includes a first identifier and a first communication address pair.
  • the first communication address and the first identifier pair may be placed in the communication address assignment message, and then sent in the form of a broadcast.
  • the meter connected to the DCU.
  • the DCU and the meter can communicate using the 485 communication protocol.
  • the DCU can assign a message to the communication address broadcasted by the meter in a Modbus format message or a formatted message.
  • Step 404 The smart meter receives a communication address assignment message sent by the DCU broadcast, where the communication address assignment message includes a first identifier and a first communication address pair.
  • the electric meter may receive the communication address assignment message sent by the DCU broadcast, and then parse the communication address assignment message to obtain the first identifier and the first communication address for subsequent processing.
  • Step 405 When the smart meter determines that the first identifier is an identifier of itself (ie, the smart meter), the smart meter configures the first communication address.
  • the identifier of the electric meter may be acquired, and if the first identifier is the same (identical) as the identifier of the electric meter, The meter can store the first communication address and use the first communication address as its own communication address. If the first identifier is different (inconsistent) from the identifier of the meter, the communication address assignment message can be discarded.
  • the DCU receives the identifier notification message sent by the primary station, where the identifier notification message includes the first identifier, and the DCU allocates the first communication address to the first identifier according to the identifier notification message, and saves the first And the first communication address pair, the DCU broadcasts a communication address assignment message, the communication address assignment message includes a first identifier and a first communication address pair, so that the first smart meter having the first identifier configures the first communication
  • the address in this way, can automatically assign a communication address to the smart meter according to the identifier of the received smart meter, and the maintenance address is not required by the maintenance personnel to manually configure the communication address of each smart meter in the main station, the DCU, and the smart meter, thereby reducing the deployment cost. Improve the efficiency and accuracy of communication address allocation.
  • the embodiment of the present invention further provides a process for performing smart meter data query based on the communication address assigned to the smart meter, wherein the smart meter may be a smart meter, a smart water meter, or a smart gas meter.
  • the smart meter is used as an example for the smart meter, and other situations are similar.
  • the process of querying the smart meter data may specifically include the following steps:
  • Step 501 The DCU receives a first data query message sent by the primary station, where the first data query message includes a first identifier.
  • an application for querying the meter data may be installed in the main station, the maintenance personnel may open the application, and then select an electric meter (ie, the first electric meter) that needs to query the electric meter data, and click the first electric meter data query option.
  • the primary station can receive the data query command corresponding to the first power meter, and then can send the first data query message to the DCU, where the first data query message can carry the first identifier of the first power meter.
  • the primary station may send a first data query message to the DCU when the preset query period is reached, where the first data query message includes the first identifier of the first power meter.
  • the maintenance personnel can also select the DCU of the area in which the meter data needs to be queried in the above application, and then click the meter data query option.
  • the primary station can receive the electric meter data query instruction corresponding to the DCU, and then obtain the identifier of the DCU, and then determine the identifier of the electric meter connected to the DCU according to the correspondence between the pre-stored identifier and the identifier of the DCU. Then you can The DCU sends a first data query message, the first data query message including an identifier of a number of meters connected to the DCU.
  • the maintenance personnel may send a data query message (which may be referred to as a third data query message) that does not carry an identifier to the DCU through the primary station, and after receiving the third data query message, the DCU may send all the electric meters connected to the DCU. Send a data query message to query the meter data.
  • a data query message (which may be referred to as a third data query message) that does not carry an identifier to the DCU through the primary station, and after receiving the third data query message, the DCU may send all the electric meters connected to the DCU. Send a data query message to query the meter data.
  • Step 502 The DCU acquires the first communication address according to the first identifier.
  • the DCU may parse the first data query message, obtain the first identifier in the first data query message, and then communicate with the identifier according to the pre-stored identifier. Corresponding relationship of the address, determining a first communication address corresponding to the first identifier,
  • Step 503 The DCU sends a second data query message to the first smart meter having the first identifier, where the second data query message includes the first communication address.
  • the second data query message may be sent to the first smart meter having the first identifier.
  • the DCU may write the first communication address into the address field of the message.
  • the DCU may A communication address is written in the destination address field of the message.
  • Step 504 The first smart meter receives the second data query message sent by the DCU, where the second data query message includes the first communication address.
  • the first power meter may receive the second data query message sent by the DCU, and then parse the second data query message. Get the first communication address in it.
  • Step 505 The first smart meter acquires current data according to the second data query message, and sends a first feedback message to the DCU, where the first feedback message includes the first communication address and current data of the first smart meter.
  • the first electricity meter can determine whether the first communication address is the same as the communication address used by itself, and if the same, the current meter data can be acquired, and then the meter data and the first communication address can be added to the first feedback.
  • the first feedback message is sent to the DCU.
  • the first power table may write the first communication address into the address field of the message.
  • the first The meter can write the first communication address into the source address field of the message.
  • Step 506 The DCU receives the first feedback message sent by the first smart meter, where the first feedback message includes the first communication address and current data of the first smart meter.
  • the DCU may receive the first feedback message, and then parse the first feedback message to obtain the first communication address and the first electric meter. Meter data for subsequent processing.
  • Step 507 The DCU acquires the first identifier according to the first communication address in the first feedback message, and sends a second feedback message to the primary station, where the second feedback message includes the current data of the first smart meter and the first identifier.
  • the first identifier corresponding to the first communication address may be determined according to the correspondence between the identifier and the communication address stored in advance, and then the The meter data of the first meter and the first identifier are added to the second feedback message, and the second feedback message can be sent to the primary station.
  • the DCU receives the identifier notification message sent by the primary station, where the identifier notification message includes the first identifier, and the DCU allocates the first communication address to the first identifier according to the identifier notification message, and saves the first And the first communication address pair, the DCU broadcasts a communication address assignment message, the communication address assignment message includes a first identifier and a first communication address pair, so that the first smart meter having the first identifier configures the first communication
  • the address in this way, can automatically assign a communication address to the smart meter according to the identifier of the received smart meter, and the maintenance address is not required by the maintenance personnel to manually configure the communication address of each smart meter in the main station, the DCU, and the smart meter, thereby reducing the deployment cost. Improve the efficiency and accuracy of communication address allocation.
  • the embodiment of the present invention provides a DCU for implementing the function of the DCU in the method for allocating a communication address.
  • the DCU includes:
  • a first receiving module 610 configured to receive an identifier notification message sent by the primary station, where the identifier notification message includes a first identifier
  • the allocating module 620 is configured to allocate, according to the identifier notification message, a first communication address to the first identifier, and save the first identifier and the first communication address pair;
  • a first sending module 630 configured to broadcast a communication address assignment message, where the first address identifier and the first communication address pair are included in the communication address assignment message, so that the first identifier has the first identifier
  • the smart meter configures the first communication address.
  • the identifier notification message further includes a second identifier
  • the allocating module 620 is specifically configured to: according to the identifier notification message, the first identifier Assigning the first communication address, assigning a second communication address to the second identifier, and saving the first identifier and the first communication address pair and the second identifier and the second Communication address pair;
  • the communication address assignment message further includes the second identifier and the second communication address pair, so that the second smart meter having the second identifier configures the second communication address.
  • the DCU further includes:
  • a second receiving module configured to receive an address configuration success message sent by the first smart meter with the first identifier, where the address configuration success message includes the first identifier.
  • the DCU further includes:
  • a third receiving module configured to receive a first data query message sent by the primary station, where the first data query message includes the first identifier
  • An acquiring module configured to acquire the first communication address according to the first identifier
  • a second sending module configured to send a second data query message to the first smart meter having the first identifier, where the second data query message includes the first communication address
  • a fourth receiving module configured to receive a first feedback message sent by the first smart meter, where the first feedback message includes the first communication address and current data of the first smart meter;
  • a third sending module configured to acquire the first identifier according to the first communication address in the first feedback message, and send a second feedback message to the primary station, where the second feedback message includes The current data of the first smart meter and the first identifier.
  • FIG. 7 is a schematic structural diagram of the DCU.
  • the DCU includes a processor 710, a receiver 720, and a transmitter 730; the processor 710, the receiver 720, and the transmitter 730 are connected to each other by a bus 740;
  • the receiver 720 is configured to receive an identifier notification message sent by the primary station, where the identifier notification message includes a first identifier;
  • the processor 710 is configured to allocate, according to the identifier notification message, a first communication address to the first identifier, and save the first identifier and the first communication address pair;
  • the transmitter 730 is configured to broadcast a communication address assignment message, where the communication address assignment message includes the first identifier and the first communication address pair, so that the first identifier has the first identifier
  • the smart meter configures the first communication address.
  • the DCU may further include a memory 750 in which a correspondence table is stored for storing the first identifier and the first communication address pair.
  • the identifier notification message further includes a second identifier.
  • the processor 710 is configured to: allocate the first identifier to the first identifier according to the identifier notification message. a communication address, assigning a second communication address to the second identifier, and storing the first identifier and the first communication address pair and the second identifier and the second communication address pair;
  • the communication address assignment message further includes the second identifier and the second communication address pair, so that the second smart meter having the second identifier configures the second communication address.
  • the processor 710 is specifically configured to: in the order in which the first identifier and the second identifier are carried in the identifier notification message, the first identifier and the The second identifier assigns the first communication address and the second communication address.
  • the processor 710 may be a general-purpose processor, including a central processing unit (CPU), a network processor (NP Processor, etc.), and the like, and may also be a digital signal processor (DSP), an application specific integrated circuit. (ASIC), Field Programmable Gate Array (FPGA) or other programmable logic devices.
  • CPU central processing unit
  • NP Processor network processor
  • DSP digital signal processor
  • ASIC application specific integrated circuit
  • FPGA Field Programmable Gate Array
  • the memory 750 can also be used to store a program.
  • the program can include program code, the program code including computer operating instructions.
  • the memory 750 may include RAM, and may also include non-volatile memory, such as at least one disk storage.
  • the processor 710 executes the program code stored in the memory 750 to implement the above functions.
  • the receiver 720 is further configured to receive an address configuration success message sent by the first smart meter with the first identifier, where the address configuration success message includes the first identifier.
  • the receiver 720 is further configured to receive a first data query message sent by the primary station, where the first data query message includes a first identifier;
  • the processor 710 is further configured to acquire the first communication address according to the first identifier, and send, by using the transmitter 730, a second data query to the first smart meter having the first identifier. a message, the second data query message includes the first communication address;
  • the receiver 720 is further configured to receive a first feedback message sent by the first smart meter, where the first feedback message includes the first communication address and current data of the first smart meter;
  • the processor 710 is further configured to acquire according to the first communication address in the first feedback message.
  • the first identifier and sending, by the sender 730, a second feedback message to the primary station, where the second feedback message includes current data of the first smart meter and the first identifier.
  • the DCU receives the identifier notification message sent by the primary station, where the identifier notification message includes the first identifier, and the DCU allocates the first communication address to the first identifier according to the identifier notification message, and saves a first identifier and a first communication address pair, the DCU broadcasts a communication address assignment message, the communication address assignment message includes a first identifier and a first communication address pair, so that the first smart meter configuration having the first identifier is configured A communication address, so that the smart meter can be automatically assigned a communication address according to the identifier of the received smart meter, and the maintenance address of the smart meter can be manually configured in the main station, the DCU, and the smart meter without the maintenance personnel, thereby reducing the deployment. Cost, improve the efficiency and accuracy of communication address allocation.
  • an embodiment of the present invention provides a smart meter for implementing the function of the smart meter in the method for allocating a communication address.
  • the smart meter includes:
  • a first receiving module 810 configured to receive a communication address assignment message sent by the DCU broadcast, where the communication address assignment message includes a first identifier and a first communication address pair, where the first communication address is The first identifier is assigned;
  • the configuration module 820 is configured to configure the first communication address when the smart meter determines that the first identifier is an identifier of the smart meter.
  • the smart meter further includes:
  • the first sending module is configured to send an address allocation success message to the DCU, where the address configuration success message includes the first identifier.
  • the smart meter further includes:
  • a second receiving module configured to receive a second data query message sent by the DCU, where the second data query message includes the first communication address
  • a second sending module configured to acquire current data according to the second data query message, and send a first feedback message to the DCU, where the first feedback message includes the first communication address and the smart meter Current data.
  • the embodiment of the present application further provides Another smart meter is used to implement the function of the smart meter in the method for allocating the communication address.
  • the smart meter includes a processor 910, a receiver 920, and a transmitter 930; the processor 910, the receiver 920, and the transmitter 930 are connected to each other by a bus 940; wherein:
  • the receiver 920 is configured to receive a communication address assignment message sent by the DCU broadcast, where the communication address assignment message includes a first identifier and a first communication address pair, where the first communication address is the DCU according to the The first identifier is assigned;
  • the processor 910 is configured to configure the first communication address when determining that the first identifier is an identifier of the smart meter.
  • the smart meter may further include a memory 950 in which the first communication address and an identifier of the smart meter are stored.
  • the processor 910 may be a general purpose processor, including a central processing unit CPU, NP, etc.; or may be a digital signal processor (DSP), an application specific integrated circuit (ASIC), a field programmable gate array (FPGA), or other programmable Logic devices, etc.
  • DSP digital signal processor
  • ASIC application specific integrated circuit
  • FPGA field programmable gate array
  • the memory 950 can also be used to store a program.
  • the program can include program code, the program code including computer operating instructions.
  • Memory 950 may include RAM and may also include non-volatile memory, such as at least one disk storage. The processor 910 executes the program code stored in the memory 950 to implement the above functions.
  • the sender 930 is configured to send an address configuration success message to the DCU, where the address configuration success message includes the first identifier.
  • the receiver 920 is further configured to receive a second data query message sent by the DCU, where the second data query message includes the first communication address;
  • the processor 910 is further configured to: obtain the current data of the smart meter according to the second data query message, and send a first feedback message to the DCU by using the sender, where the first feedback message is The first communication address and current data of the smart meter are included.
  • the memory 950 can also be used to store current data of the smart meter.
  • the smart meter receives a communication address assignment message sent by the DCU broadcast, where the communication address assignment message includes a communication address allocated by the DCU for the smart meter; the smart meter according to the communication
  • the address allocation message obtains the communication address corresponding to the own identifier, and saves (automatically configures) the communication address, which can reduce the deployment cost of manually configuring the communication address for the smart meter, avoid manual configuration errors, and improve the accuracy of the communication address allocation. Sex.
  • a person skilled in the art may understand that all or part of the steps of implementing the above embodiments may be completed by hardware, or may be instructed by a program to execute related hardware, and the program may be stored in a computer readable storage medium.
  • the storage medium mentioned may be a read only memory, a magnetic disk or an optical disk or the like.

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  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Small-Scale Networks (AREA)
  • Selective Calling Equipment (AREA)

Abstract

Les modes de réalisation de la présente invention concernent un procédé, un appareil, et un système d'attribution d'une adresse de communication, appartenant au domaine technique des communications. Le procédé comprend les étapes suivantes : une unité de concentration de données (DCU) reçoit un message de notification d'identifiant envoyé par une station principale, le message de notification d'identifiant contenant un premier identifiant ; la DCU attribue une première adresse de communication à un premier identifiant d'après le message de notification d'identifiant, et enregistre le premier identifiant et une première paire d'adresses de communication ; et la DCU envoie un message d'attribution d'adresse de communication d'une manière en diffusion, le message d'attribution d'adresse de communication contenant le premier identifiant et la première paire d'adresses de communication, de sorte qu'un premier compteur intelligent ayant le premier identifiant configure la première adresse de communication. La présente invention permet d'améliorer l'efficacité d'attribution d'adresses de communication à des compteurs intelligents.
PCT/CN2016/084749 2015-10-19 2016-06-03 Procédé, appareil, et système d'attribution d'adresse de communication à un compteur intelligent WO2017067179A1 (fr)

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