Optimal efficiency method for 645 protocol meter reading of acquisition terminal

Abstract

The invention discloses an optimal efficiency method for 645 protocol meter reading of an acquisition terminal. Comprising a concentrator, an intelligent electric meter, a concentrator routing module, an electric meter carrier module and a test main body of a master station. According to the invention, efficient reading of the 645 protocol ammeter in the concurrent reading process can be realized, the data acquisition efficiency is improved, the time is saved, the cost is low, and the method is convenient to popularize and implement.

Description

Technical Field

[0001] The present invention relates to the technical field of power line carrier communication, and particularly to an optimal efficiency method for 645 protocol meter reading of a collection terminal. Background Art

[0002] At present, the power system is developing towards informatization, intelligence and real-time, etc. Therefore, it becomes more and more important to realize intelligent remote meter reading, remote control and remote communication analysis. Power line carrier communication technology is a communication technology that uses power lines as a transmission medium for data signal transmission. This communication technology can not only effectively monitor and control industrial and household electrical equipment in the power grid, but also greatly improve production, work and living efficiency, and also greatly save the construction cost of wiring. And the carrier module (STA) responsible for transmitting meter information and the concentrator routing module (CCO) for managing terminal (concentrator) information have also been widely used. Concurrent meter reading is mainly carried out through the concentrator routing module. The routing modules of different manufacturers are designed differently, and the number of concurrent meter reading 645 protocol message strips that can be tolerated is also different. In actual meter reading, the 645 protocol (a digital communication protocol) is widely used. However, with the growth of power demand and the development of technology, when the 645 protocol is widely used for concurrent meter reading, problems such as communication conflicts and computing resource competition are still faced, which affect the efficiency and accuracy of meter reading. To sum up, in order to improve the efficiency of meter reading, an optimal efficiency method for 645 protocol meter reading of a collection terminal needs to be proposed. Summary of the Invention

[0003] In view of the deficiencies and defects existing in the prior art, the present invention provides an optimal efficiency method for 645 protocol meter reading of a collection terminal, which realizes efficient meter reading of 645 protocol meters during the concurrent meter reading process and improves the data collection efficiency.

[0004] The object of the present invention can be achieved by the following technical solutions:

[0005] The method provided by this patent is mainly realized through a power carrier meter reading system. The system mainly includes a master station, a management terminal (concentrator), an intelligent meter, a concentrator routing module (CCO) and a carrier module (STA) of the intelligent meter, etc. The concentrator in the above system is communicatively connected to the master station through 4G communication. The concentrator mainly establishes communication with the intelligent meter through the power line, that is, a routing module (CCO) is inserted into the concentrator, and a carrier module (STA) is inserted into the intelligent meter. The two modules establish communication through the power line to realize the communication between the concentrator and the intelligent meter.

[0006] The efficiency of the method of the present invention can be expressed by the following formula: E = (N * T) / (C * P), where E is the efficiency, N is the number of smart meter devices under the meter reading terminal, T is the processing time for the meter reading terminal to read a single smart meter device, C is the concurrency coefficient in concurrent meter reading, and P is the total meter reading time. This formula can be used to evaluate the efficiency of the method of the present invention. The concurrency coefficient C is specifically the proportional relationship between the number of common meter reading messages and the number of smart meter devices.

[0007] This patent provides an optimal efficiency method for 645 protocol meter reading of a collection terminal. This method mainly converts the optimal number of 645 protocol concurrent meter reading messages into optimal meter reading efficiency. The main steps are as follows:

[0008] Judge whether the routing CCO module on the concentrator is inserted. After insertion, enter the next process. If the judgment shows that it is not inserted, keep resetting and waiting until it is judged to be inserted and enter the next process.

[0009] Enter the routing identification process, query information such as routing version information, manufacturer, production batch number, etc. According to the above information, compare it with the relevant information saved in the database to judge whether this routing module is inserted for the first time. If it is the first insertion, enter the test process. If there is relevant information in the database, directly query the optimal number of 645 protocol messages and enter the next process of concurrent meter reading.

[0010] Test process:

[0011] 1. After judging that this routing module is inserted for the first time, enter the first step of the test process, read the master node information, compare it with the information saved in the concentrator, and reset the relevant meter reading information of the master node.

[0012] 2. Read the slave node information of all electric meters in the substation area, compare and update the relevant information, focus on all 645 protocol related electric meter files, and shield the non-645 protocol electric meter files in this substation area according to different protocols.

[0013] 3. According to the slave node information of the 645 protocol related electric meters queried, compare and update the relevant information such as the slave node file, and enter concurrent meter reading.

[0014] 4. In concurrent meter reading, first fix the number of channels for meter reading. To ensure system resources, select an appropriate number of channels as the number of channels for concurrent meter reading, indicating that the files of the number of channels of 645 protocol electric meters can be loaded in one meter reading process. With the number of files determined, conduct tests according to the task plan commonly configured on the master station.

[0015] 5. First, with the number of channels fixed, test sending 1 message and record the meter reading time.

[0016] 6. Next, send 2 messages, record the meter reading time, compare 1 message, and retain the optimal data.

[0017] 7. Repeat this process until all messages are sent, compare and retain the optimal data. Use the retained optimal data as the optimal parameters and save the optimal data to the database.

[0018] Exit the test process, activate all meter reading files, and perform concurrent meter reading according to the optimal parameters.

[0019] As can be seen from the above tests, according to the meter reading time, the optimal number of messages is selected. At this time, it can be known that the meter reading time is the shortest and the efficiency is the highest. The above meets the requirements of the optimal efficiency identification method for concurrent meter reading of the 645 protocol for the acquisition terminal.

[0020] The advantages and positive effects of the present invention are:

[0021] The present invention uses an actual common power distribution area as the test platform, with concentrators, smart meters, concentrator routing modules, meter carrier modules, and master stations as the main bodies, and proposes an optimal efficiency identification method for concurrent meter reading of the 645 protocol for the acquisition terminal, improving the meter reading efficiency of smart meters. Description of the Drawings

[0022] Figure 1 It is the test flow chart of the present invention. Detailed Embodiment

[0023] The following further describes the present invention in conjunction with the drawings. The following content is only used to more clearly illustrate the technical solution of the present invention and cannot be used to limit the protection scope of the present invention.

[0024] Judge whether the routing CCO module on the concentrator is inserted. After insertion, enter the next process. If it is judged that it is not inserted, keep resetting and waiting until it is judged to be inserted and enter the next process.

[0025] Enter the routing identification process, query information such as the routing version information, manufacturer, and production batch number. According to the above information, compare it with the relevant information saved in the database to judge whether the routing module is inserted for the first time. If it is the first insertion, enter the test process. If there is relevant information in the database, directly query the optimal number of 645 protocol messages and enter the next process of concurrent meter reading.

[0026] Test process:

[0027] 1. After judging that the routing module is inserted for the first time, enter the first step of the test process, read the main node information, compare it with the information saved in the concentrator, and reset the relevant meter reading information of the main node.

[0028] 2. Read the slave node information of all electricity meters in the substation area, compare and update relevant information, pay special attention to the electricity meter files related to all 645 protocols, and shield the electricity meter files of non-645 protocols in this substation area according to different protocols.

[0029] 3. According to the slave node information of the electricity meters related to the 645 protocol queried, compare and update relevant information such as the slave node files, and enter the concurrent meter reading.

[0030] 4. In the concurrent meter reading, first fix the number of channels for meter reading. To ensure system resources, select 5 channels as the number of channels for concurrent meter reading, indicating that 5 electricity meter files related to the 645 protocol can be loaded during one meter reading process. With the number of files determined, conduct tests according to the task plan commonly configured on the master station. Assume there are 100 intelligent electricity meters related to the 645 protocol in this substation area, and the number of common meter reading message lines is 30. Use the shortest meter reading time as the evaluation optimal parameter for testing.

[0031] 5. First, with the number of channels fixed, test sending 1 message and record the meter reading time.

[0032] 6. Secondly, send 2 messages, record the meter reading time, compare with 1 message, and retain the optimal data.

[0033] 7. Loop in this way until 30 messages are sent, compare and retain the optimal data. Use the retained optimal data as the optimal parameter and save the optimal data to the database.

[0034] As can be seen from the above tests, select the optimal number of message lines according to the meter reading time. At this time, it can be known that the meter reading time is the shortest and the efficiency is the highest. The above meets the requirements of the optimal efficiency method for meter reading of the 645 protocol for the acquisition terminal.

[0035] The above embodiments are illustrative of the specific implementation manners of the present invention, rather than limitations on the present invention. Those skilled in the relevant technical fields can make various transformations and changes without departing from the spirit and scope of the present invention to obtain corresponding equivalent technical solutions. Therefore, all equivalent technical solutions should be included in the patent protection scope of the present invention.

Claims

1. The present invention provides an optimal efficiency method for 645 protocol meter reading of a collection terminal, including a concentrator, an intelligent meter, a concentrator routing module, a meter carrier module, a test subject of a master station, and a test method based on the optimal number of messages for concurrent reading of the 645 protocol.

2. According to the optimal efficiency method for 645 protocol meter reading of a collection terminal described in claim 1, its characteristic and calculation method are that E = (N * T) / (C * P), where E is the efficiency, N is the number of intelligent meter devices under the meter reading terminal, T is the processing time for the meter reading terminal to read a single intelligent meter device, C is the concurrency coefficient in concurrent reading, and P is the total reading time. This formula can be used to evaluate the efficiency of the method of the present invention. The concurrency coefficient C is specifically the proportional relationship between the number of common messages for meter reading and the number of intelligent meter devices.

3. The optimal efficiency method for 645 protocol meter reading of a collection terminal according to claim 1, characterized in that, A test method based on the optimal number of messages for concurrent reading of the 645 protocol: 1) After determining that the routing module is inserted for the first time, enter the first step of the test process, read the master node information, compare it with the information saved in the concentrator, and reset the meter reading information related to the master node. 2) Read the slave node information of all meters in the area, compare and update the relevant information, focus on all meter files related to the 645 protocol, and mask the meter files of non-645 protocols in this area according to different protocols; 3) According to the slave node information of the meters related to the 645 protocol queried, compare and update the relevant information of the slave node files, and enter concurrent meter reading; 4) In concurrent meter reading, first fix the number of channels for meter reading. To ensure system resources, select an appropriate number of channels as the number of channels for concurrent meter reading, indicating that the files of the number of 645 protocol meters can be loaded during one meter reading process. Under the condition that the number of files is determined, conduct tests according to the task plan commonly configured on the master station; 5) First, with the number of channels fixed, test sending 1 message and record the meter reading time; 6) Then send 2 messages, record the meter reading time, compare with the case of 1 message, and retain the optimal data; 7) Repeat this cycle until all messages are sent, compare and retain the optimal data. Use the retained optimal data as the optimal parameters and save the optimal data to the database.

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