Serial port DLT645 batch setting method based on intelligent electric meter

A technology of DLT645 and smart meters, which is applied in the field of batch setting of smart meters, can solve problems such as waste of manpower and material resources, and inconvenient management of power parts, and achieve the effects of reducing operation and maintenance costs, reducing transmission, and reducing pressure

Pending Publication Date: 2020-12-22
上海汉枫电子科技有限公司
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AI-Extracted Technical Summary

Problems solved by technology

At present, to deal with such problems, most of the processing methods are to directly configure the electric energy meter or the collection terminal equipment independe...
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Method used

By means of above-mentioned scheme, based on intelligent electric meter serial port DLT645 batch setting method, by setting up service end and electric meter terminal networking, realize service end and electric meter terminal information transmission, service end releases processing signal and generates sequence number, will generate sequence number Transmission to the meter terminal, the meter terminal obtains the serial number of the matching address information, and judges it with the local serial number, the meter terminal sends an update setting request to the server and obtains the update data packet, and completes the update and loading of the data table, realizing real-time access to the network State, reduce the sending of invalid commands, reduce the complexity of the server, reduce costs, and reduce the instantaneous concurrency of tasks, thereby reducing server pressure, avoiding unnecessary waste of manpower and material resources, improving the work efficiency of debuggers, and finally realizing power The reduction of enterprise operation and maintenance costs, the effective improvement of profits, and the ease of use for users.
In sum, by means of...
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Abstract

The invention discloses a serial port DLT645 batch setting method based on an intelligent electric meter, and relates to the technical field of intelligent electric meter batch setting, and the methodcomprises the following steps that a server and an electric meter terminal are built for networking, and the information transmission between the server and the electric meter terminal is achieved; the server issues the processing signal and generates a serial number, and transmits the generated serial number to the ammeter terminal; the electric meter terminal acquires a serial number matched with the address information and judges the serial number with a local serial number; and the electric meter terminal sends an update setting request to the server and acquires an update data packet, and completes data table update loading. According to the invention, the network state can be obtained in real time, the sending of invalid commands is reduced, the complexity of the server is reduced,the cost is reduced, and the instantaneous concurrency of tasks is reduced, so that the server pressure is reduced, unnecessary waste of manpower and material resources is avoided, and the working efficiency of debugging personnel is improved; and finally, the operation and maintenance cost of power enterprises is reduced, profits are effectively increased, and users can use the system conveniently.

Application Domain

Technology Topic

Serial portComplete data +9

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  • Serial port DLT645 batch setting method based on intelligent electric meter

Examples

  • Experimental program(1)

Example Embodiment

[0031]The technical solutions in the embodiments of the present invention will be described clearly and completely in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art fall within the protection scope of the present invention.
[0032]According to an embodiment of the present invention, a method for batch setting based on the serial port of a smart meter DLT645 is provided.
[0033]Such asfigure 1As shown, the method for batch setting of DLT645 based on the serial port of a smart meter according to an embodiment of the present invention includes the following steps:
[0034]Step S1, building a network of server and meter terminal to realize information transmission between the server and meter terminal, where the server includes obtaining the address information of all meter terminals, and the meter terminal loads the local serial number and uploads it to the server;
[0035]Step S2, the server issues a processing signal and generates a serial number, and transmits the generated serial number to the meter terminal;
[0036]Step S3, the electric meter terminal obtains the serial number of the matching address information, and judges with the local serial number, wherein, if the generated serial number is higher than the matched local serial number, it is judged to receive the processed signal;
[0037]Step S4: The electric meter terminal sends an update setting request to the server and obtains an update data package, and completes the update and loading of the data table.
[0038]Wherein, the establishment of the server and the meter terminal network to realize the information transmission between the server and the meter terminal includes a broadband carrier concentrator and a collector, wherein:
[0039]The broadband carrier concentrator is configured to send to the collector a first broadband carrier signal carrying an instruction to generate a serial number and a second broadband carrier signal for receiving an update setting request instruction sent by an electricity meter terminal;
[0040]The collector is used to obtain address information of all connected smart meters and matching local serial numbers.
[0041]Which includes the following steps:
[0042]The server loads the collector to perform the meter lookup operation, obtains all smart meters connected to the collector, and establishes a storage sequence for the meter addresses of the smart meters;
[0043]The collector saves all smart meters as neighbors; the smart meter also treats the collector as its only neighbor and establishes information transmission;
[0044]The collector obtains the measurement point information of all smart meters. The measurement point information includes archive information of all smart meters, and the archive information includes at least the meter address and the matching local serial number.
[0045]Which includes the following steps:
[0046]The server judges whether the meter terminal obtains the server's generated serial number.
[0047]Which includes the following steps:
[0048]The meter terminal periodically sends a connection flashing message to the server;
[0049]If the server does not obtain the electric meter terminal flashing message, the electric meter terminal is working abnormally.
[0050]Wherein, the completion of the updating and loading of the data table includes the following steps:
[0051]The meter terminal updates the local serial number and transmits it to the server to complete the configuration settings.
[0052]With the help of the above solution, based on the smart meter serial port DLT645 batch setting method, by building a server and meter terminal network, the server and meter terminal information transmission is realized, the server issues processing signals and generates a serial number, and transmits the generated serial number to the meter The terminal, the meter terminal obtains the serial number of the matching address information, and judges it with the local serial number. The meter terminal sends an update setting request to the server and obtains the update data package, and completes the data table update loading, so that the network status can be obtained in real time, reducing Send invalid commands, reduce the complexity of the server, reduce costs, and reduce the instantaneous concurrency of tasks, thereby reducing server pressure, avoiding unnecessary waste of manpower and material resources, improving the work efficiency of debuggers, and ultimately achieving power enterprise operation and maintenance Cost reduction, effective increase of profit and convenience for users.
[0053]In addition, specifically, the collector uses the meter reading address command in DL/T 645 2007 "Communication Protocol for Multifunctional Energy Meters" (hereinafter referred to as 645 Protocol) to find the meter. The command format is as follows: 68A1 A2 A3 A4 A5 A6 68 13 00 CS16. A1 A2 A3 A4 A5 A6 is the meter address; CS is the cumulative sum check code. The main steps to find a table are as follows:
[0054]First, construct a table reading address command frame in accordance with the 645 protocol. A1 starts at 0x00, and the other 5 bytes of addresses are wildcards 0xAA for table reading address operations. If the collector receives the correct response frame for the meter reading address, it will parse the response frame and extract the meter address. If the collector does not receive the correct response frame of the meter reading address, it will add 1 to A1, then construct the read table address command, and continue to look for the table until the A1 address is completed and the table lookup operation from 0 to 99 is completed. When the A1 address completes the table lookup, according to the A1 address method, complete the A2-A6 address table lookup operation.
[0055]Step 2. Before the collector initiates the command, the collector saves all smart meters as neighbors; the smart meter also regards the collector as its only neighbor and establishes information transmission; the collector obtains all the smart meter measurement point information, The measurement point information includes archive information of all smart meters, and the archive information includes at least the meter address and the matching local serial number.
[0056]Step 3. When the collector initiates a command, the collector will respond to the collector request command because it has a certain meter address in the file until it completes the pairing to obtain information; when the collector node is online, the associated All meters will use the collector as a communication relay to respond to the request command of the collector.
[0057]To sum up, with the help of the above technical solution of the present invention, through the DLT645 batch setting method based on the smart meter serial port, the server and the meter terminal network are built to realize the information transmission between the server and the meter terminal, and the server issues the processing signal and generates Serial number, the generated serial number is transmitted to the meter terminal. The meter terminal obtains the serial number matching the address information and judges with the local serial number. The meter terminal sends an update setting request to the server and obtains the update data package, and completes the data table update Load, realize real-time acquisition of network status, reduce the sending of invalid commands, reduce the complexity of the server, reduce costs, and reduce the instantaneous concurrency of tasks, thereby reducing server pressure, avoiding unnecessary waste of manpower and material resources, and improving debuggers The work efficiency of the power company will ultimately reduce the operation and maintenance costs of the power company, increase the profit effectively, and facilitate the use of users.
[0058]The above descriptions are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the present invention. Within the scope of protection.
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