CN113014449A - Local communication protocol pressure test method and system of electricity consumption information acquisition system - Google Patents
Local communication protocol pressure test method and system of electricity consumption information acquisition system Download PDFInfo
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- H04L43/00—Arrangements for monitoring or testing data switching networks
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Abstract
The invention relates to a local communication protocol pressure testing method and system of a power utilization information acquisition system, and belongs to the field of intelligent power grids. The test method is characterized in that intensive instructions are issued to a concentrator by a simulation master station for a long time to read data in an ammeter in a local communication network, and finally the performance of the local communication network is tested by counting the reading success rate in the whole test process; the test system consists of a simulation master station and a local communication network; the simulation main station consists of a TTCN-3 test set, a Titan operating environment, a test parameter configuration module, virtual serial port equipment and a Socket server program, and the local communication network consists of a concentrator, an intelligent electric meter and communication modules on the concentrator and the intelligent electric meter. The invention can realize long-time and intensive business function pressure test on the local communication protocol under a large-scale network so as to judge the advantages and disadvantages of various local communication technologies and provide powerful support for the construction of the future energy Internet.
Description
Technical Field
The invention belongs to the field of intelligent power grids, relates to the technical field of local communication protocol testing of a power consumption information acquisition system, and particularly relates to a method and a system for local communication protocol pressure testing of the power consumption information acquisition system.
Background
The power consumer electricity utilization information acquisition system is an important component of smart grid construction, and mainly adopts an informatization means to realize the acquisition of the electricity utilization information of the whole grid consumers and the monitoring of the running state of the grid. The high-efficiency and reliable local communication technology of the power utilization information acquisition system is a key link in the construction of the power utilization information acquisition system and is a key for ensuring the performance of the power utilization information acquisition system.
The local communication protocol of the electricity information acquisition system mainly comprises micropower wireless, narrowband power line carrier, broadband micropower wireless which is formulated by a protocol standard and the like. With the mass access of the electric equipment, the whole local communication network can bear the issuing of a large amount of user electricity utilization information acquisition commands and the collection and reporting of acquired data. In order to ensure the reliability and stability of data acquisition and transmission of the whole power utilization information acquisition system, a local communication protocol needs to be tested so as to judge the advantages and disadvantages of various local communication technologies, and powerful support is provided for the construction of a future energy internet.
At present, tests aiming at a local communication protocol mainly verify whether networking or meter reading functions of a communication module are realized, a pressure test scheme for carrying out long-time intensive service functions on the local communication protocol under a large-scale network is lacked, and the performance of the local communication network cannot be verified.
Disclosure of Invention
In view of the above, the present invention provides a method and a system for testing the local communication protocol pressure of a power consumption information acquisition system, so as to implement a long-time and intensive business function pressure test on a local communication protocol in a large-scale network, so as to quickly and accurately determine the advantages and disadvantages of various local communication technologies, and provide a strong support for the construction of the future energy internet.
In order to achieve the purpose, the invention provides the following technical scheme:
1. a local communication protocol pressure test method of an electricity consumption information acquisition system is used for testing in a master station simulation mode, a portable master station server corresponding to protocols can be designed for concentrators of different communication protocols in a customized mode, and corresponding test requirements are met. The overall thought of the method is as follows: and issuing intensive instructions to the concentrator for a long time by the master station to read data in an ammeter in the local communication network, and finally testing the performance of the local communication network by counting the reading success rate in the whole testing process. The method specifically comprises the following steps:
s1: the concentrator is connected with the simulation main station by establishing connection, and the connection comprises the following steps: setting a communication mode of the concentrator and the simulation master station; the virtual serial port equipment is started, and communication connection between the test execution module and the Socket server program is established, so that the test data and the maintenance function of the remote communication link are independent, and the test efficiency is improved; starting a Socket server program, and establishing a communication link between the simulation master station server and the concentrator;
s2: the simulation master station sets parameters of the concentrator, issues a white list of electric meters and performs data copying and reading service;
s3: and after the test is finished, the simulation master station counts the reading success rate in the whole test process, so that the performance of the local communication network is tested.
Further, in step S1, simulating a communication method between the master station and the concentrator includes: ethernet and wireless public networks.
Further, in step S1, during the connection between the concentrator and the simulation master station, the concentrator sends a login request to the simulation master station, and after the simulation master station correctly responds to the login request, the concentrator periodically sends a heartbeat message to the simulation master station, so as to maintain continuous communication.
Further, in step S2, after the white list of electric meters is issued and networking is completed, the simulation master station issues an intensive instruction to the concentrator for a long time to copy and read data in the electric meters in the local communication network.
Further, in step S2, the main way for the simulation master station to issue the copy instruction to the concentrator is: (1) issuing a selectable number of reading commands to the concentrator at one time, and after receiving a reading response, immediately reissuing a new reading command by the simulation master station to enable the whole local network to be in a saturated reading state; (2) the entire test duration is long enough and can be paused at any time.
Further, in step S3, after the test is finished, the simulation master station counts the data reading success rate, analyzes the reading response data to determine whether the data is valid, counts the reading success rate and records the MAC address of the reading failure ammeter, and generates a test report.
Further, in step S3, the mode of simulating the master station to count the meter reading success rate is as follows: after receiving the reading data response, the simulation master station judges whether the ammeter MAC address of the reading response frame is matched with the corresponding ammeter MAC address in the issued reading command, and then further judges whether the reading response data in the data domain of the reading response frame is of the expected reading data type and is empty;
if the MAC addresses of the electric meters are not matched, the data of the reading response frame is not the expected reading data type or the data field is empty, the simulation master station judges that the reading fails and records the reading failure times and the reading failed MAC addresses of the electric meters, and the simulation master station is used for carrying out follow-up statistics on the reading success rate and the diagnosis problem.
2. A local communication protocol stress testing system of a power consumption information collection system, comprising: simulating a master station and a local communication network; the simulation base station comprises: TTCN-3 test set, Titan operating environment, test parameter configuration module, virtual serial port equipment and Socket server program;
the TTCN-3 test set is used for realizing various functions of the simulation concentrator, constructing some data to be issued by the simulation master station in a specific protocol data frame mode, and also has the functions of analyzing and matching the received response data and the like;
the Titan operating environment is used for compiling a test case, executing a test and generating a test log and a comprehensive test log of each test point;
the test parameter configuration module is used for configuring the serial port attribute of the test point and selecting the configuration of modifiable data in an executable test case and a reading instruction;
the virtual serial port equipment is used for providing a communication interface for a Titan operating environment and a Socket server program, so that a test data construction part and a communication link maintenance part are independent, and a data processing flow in test case development is simplified;
the Socket server program is used for maintaining and simulating communication between the master station and the plurality of concentrators, namely directly responding to a request for establishing connection of the concentrators or heartbeat messages; processing and analyzing other received data, distributing the data uploaded by different concentrators to a target simulation master station, and simultaneously processing and analyzing the data transmitted by the simulation master station and transmitting the data to a target concentrator;
further, the Socket server program specifically has the following functions: establishing a communication link between the simulation master station and the concentrator, and processing and responding to a login request generated by the connection between the concentrator and the simulation master station; meanwhile, the concentrator can periodically send heartbeat messages to the simulation master station to maintain communication among the heartbeat messages, the heartbeat messages are not key data in the testing process, and Socket server programs can directly process and respond; if the Socket server program receives other data except login and heartbeat reported by the concentrator, the data are uploaded to a Titan test running environment through the virtual serial port equipment, and correspondingly, if the copied data are issued through the virtual serial port equipment, the Socket server program correspondingly issues the data to the corresponding concentrator after receiving the copied data.
Further, the test system further comprises: a concentrator and an electricity meter; the local communication network is formed by communication modules installed on the concentrator and the electric meter.
Further, the communication protocol of the local communication network includes: the test system can be well compatible with narrow-band micro-power, narrow-band power line carrier, broadband power line carrier or broadband micro-power wireless and the like. For different local protocols, the communication protocols between the concentrator and the local communication module are consistent, so that the test end of the simulation master station can meet the test requirement without changing.
The invention has the beneficial effects that: the invention adopts a mode of simulating the master station to send reading data to the concentrator for a long time and intensively underground so as to test the performance of the local communication protocol of the electrical information acquisition system, the protocol of the simulated concentrator is selectable, the issued data is flexible and controllable, the test requirement can be met, and the condition that master station software is incompatible or the function is incomplete is avoided; the test command processing module and the communication link maintaining module of the simulation master station are mutually independent, so that the workload of test development is reduced; the simulation master station can analyze the response data and count the meter reading success rate so as to judge the performance of the local communication network, and the test script can run for a long time, so that the working state of the local communication network under the condition of running for a long time can be observed conveniently.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and combinations particularly pointed out hereinafter.
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For the purposes of promoting a better understanding of the objects, aspects and advantages of the invention, reference will now be made to the following detailed description taken in conjunction with the accompanying drawings in which:
fig. 1 is a flowchart of a local communication protocol pressure testing method of a power consumption information acquisition system according to an embodiment of the present invention;
fig. 2 is an architecture diagram of a local communication protocol pressure testing system of a power consumption information acquisition system according to an embodiment of the present invention.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention in a schematic way, and the features in the following embodiments and examples may be combined with each other without conflict.
Referring to fig. 1 to fig. 2, fig. 1 is a flowchart of a pressure testing method for a local communication protocol of a power consumption information acquisition system according to an embodiment of the present invention. The general test idea of the method is that an intensive command is issued to a concentrator by a simulation master station for a long time to read data in an ammeter in a local communication network, and finally the reading success rate in the whole test process is counted to test the performance of the local communication network, and the specific test steps are as follows:
s101: the concentrator is provided with a communication mode with the analog master station, and the communication mode comprises a wireless public network mode and an Ethernet mode.
According to a test scene, under a laboratory environment, a concentrator and a simulation master station can be usually connected to a local area network, and the communication mode of the Ethernet is optimized at the moment, so that the remote communication time delay is reduced; in an external field test scene, because a user generally does not need to arrive at the field, the remote communication of the concentrator and the simulation master station selects a wireless public network, and the simulation master station is generally deployed on a cloud server, and meanwhile, communication cost is generated.
S102: and judging whether the communication mode of the concentrator and the master station selects Ethernet communication.
S103: if the concentrator selects the Ethernet communication mode, the concentrator needs to set the IP address of the concentrator and the IP address of the analog master station in the same network segment. When a concentrator has a master IP set, the concentrator sends a request for establishing a connection to the corresponding analog master.
S104: and if the concentrator does not select the Ethernet communication mode, the wireless public network communication is performed between the default concentrator and the master station. Only the IP address of the analog master station to which it needs to connect needs to be set at this time.
S105: the virtual serial port equipment in the simulation master station is used for providing a communication interface for a Titan operating environment and a Socket server program, so that the test data construction part and the communication link maintenance part are independent, and the data processing flow in test case development is simplified.
S106: the Socket server program has the functions of establishing a communication link between the simulation master station and the concentrator, and processing and responding to a login request generated by the connection between the concentrator and the simulation master station; meanwhile, the concentrator can periodically send heartbeat messages to the simulation master station to maintain communication among the heartbeat messages, the heartbeat messages are not key data in the testing process, and Socket server programs can directly process and respond; if the Socket server program receives other data except login and heartbeat reported by the concentrator, the data are uploaded to a Titan test running environment through the virtual serial port equipment, otherwise, if the copied data are issued through the virtual serial port equipment, the Socket server program correspondingly issues the data to the corresponding concentrator.
S107: the concentrator is connected with the simulation master station. After the simulated master station starts up, the concentrator will send a request to the master station to establish a connection. After receiving the login request of the concentrator, the simulation master station responds the login request response to the concentrator; after the communication link is established, the concentrator can send heartbeat messages to the simulation master station regularly according to the heartbeat period set by the concentrator, so that the continuity of communication is kept, and the test requirement is met.
S108: the simulation master station can set parameters of the concentrator, such as heartbeat cycle setting and concentrator address setting, and can also send an ammeter white list to the concentrator to start local communication network networking. After the networking of the local communication network is completed, the simulation master station carries out long-time multi-data reading service, and then the running state of the local communication network is tested.
S109: after the test is finished, the simulation master station analyzes the meter reading response, counts the meter reading success rate, and finally generates a test report.
Fig. 2 is a local communication protocol stress test system architecture of a power consumption information acquisition system according to an embodiment of the present invention. The test system includes: the simulation main station comprises a TTCN-3 test set, a Titan operating environment, a test parameter configuration module, virtual serial port equipment and a Socket server program. In the test system, the simulation master station is used for setting parameters of the concentrator, issuing an electricity metering white list to the concentrator, issuing a data reading command to the concentrator, setting a heartbeat cycle of the concentrator and the like.
The TTCN-3 test set is mainly used for realizing various functions of the simulation concentrator, constructing some data to be issued by the simulation main station in a specific protocol data frame mode, and analyzing and matching received response data and the like. TTCN-3 is a protocol test language, and test cases are edited based on an Eclipse Titan platform under a linux system.
The Titan operating environment is used for compiling the test case, executing the test and generating the test logs and the comprehensive test logs of each test point;
the test parameter configuration module is used for configuring the serial port attribute of the test point, selecting the configuration of modifiable data in an executable test case and a reading command;
the virtual serial port equipment is used for providing a communication interface for a Titan operating environment and a Socket server program, so that a test data construction part and a communication link maintenance part are independent, and a data processing flow in test case development is simplified;
the Socket server program in the simulation master station has the functions of establishing a communication link between the simulation master station and the concentrator and responding to a login request generated by the connection between the concentrator and the simulation master station; meanwhile, the concentrator periodically sends heartbeat messages to the simulation master station to maintain communication among the heartbeat messages, the messages are not key data in the testing process, and Socket server programs can directly respond; if the Socket server program receives other data except login and heartbeat reported by the concentrator, the data are uploaded to a Titan test running environment through the virtual serial port equipment, otherwise, if the copied data are issued through the virtual serial port equipment, the Socket server program correspondingly issues the data to the corresponding concentrator.
The test system architecture also comprises: concentrator, electric meter and communication module installed on these devices.
Optionally, the test system of the invention mainly comprises a local communication network consisting of the simulation master station, the concentrator, the intelligent electric meter and a local communication module on the concentrator or the intelligent electric meter.
Optionally, the communication mode of the analog master station and the concentrator may be ethernet or a network cable public network, and the analog master station may be deployed on a personal notebook or a commercial server.
Optionally, the communication protocol between the analog master station and the concentrator remote communication module may be Q/GDW 1376.1 protocol or the latest object-oriented Q/GDW 11778 protocol; the interface communication protocol between the concentrator and the local communication module is Q/GDW 1376.2 protocol; the interface communication protocol between the intelligent electric meter and the local communication module is DL/T645 protocol or Q/GDW 11778 protocol; the local communication protocol may be narrowband micropower, narrowband power line carrier, wideband micropower wireless, etc.
The selection of the protocol is determined according to a specific tested system, and the test system has good compatibility aiming at the pressure test of different local communication protocols and can meet the test requirement.
The technical scheme disclosed by the specific embodiment of the invention adopts the technical scheme that the simulation master station issues intensive commands to the concentrator for a long time to read data in an ammeter in the local communication network, and finally, the reading success rate in the whole testing process is counted to test the performance of the local communication network. The test system and the test implementation method are specifically designed, and the pressure test requirements of various local communication protocols in the current power utilization information acquisition system can be met.
Finally, the above embodiments are only intended to illustrate the technical solutions of the present invention and not to limit the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the claims of the present invention.
Claims (10)
1. A local communication protocol pressure test method of a power utilization information acquisition system is characterized by comprising the following steps:
s1: the concentrator is connected with the simulation main station by establishing connection, and the connection comprises the following steps: setting a communication mode of the concentrator and the simulation master station; starting the virtual serial port equipment, and establishing communication connection between the test execution module and a Socket server program; starting a Socket server program, and establishing a communication link between the simulation master station server and the concentrator;
s2: the simulation master station sets parameters of the concentrator, issues a white list of electric meters and performs data copying and reading service;
s3: and after the test is finished, the simulation master station counts the reading success rate in the whole test process.
2. The local communication protocol stress test method of claim 1, wherein the step S1 of simulating the communication mode between the master station and the concentrator comprises: ethernet and wireless public networks.
3. The method for testing the local communication protocol stress as claimed in claim 1, wherein in step S1, during the connection between the concentrator and the simulation master station, the concentrator sends a login request to the simulation master station, and after the simulation master station correctly responds to the login request, the concentrator periodically sends a heartbeat message to the simulation master station, so as to maintain the continuous communication.
4. The method for testing local communication protocol pressure according to claim 1, wherein in step S2, after the white list of electric meters is issued and networking is completed, the simulation master station issues intensive commands to the concentrator for a long time to read data in the electric meters in the local communication network.
5. The method for testing the pressure of the local communication protocol according to claim 1, wherein in step S3, after the test is completed, the analog master station counts the data reading success rate, and analyzes the reading response data to determine whether the data is valid, so as to count the reading success rate and record the MAC address of the meter that failed in reading, thereby generating the test report.
6. The local communication protocol pressure test method of claim 5, wherein in step S3, the mode for simulating the master station to count the meter reading success rate is: after receiving the reading data response, the simulation master station judges whether the ammeter MAC address of the reading response frame is matched with the corresponding ammeter MAC address in the issued reading command, and then further judges whether the reading response data in the data domain of the reading response frame is of the expected reading data type and is empty;
if the MAC addresses of the electric meters are not matched, the data of the reading response frame is not the expected reading data type or the data field is empty, the simulation master station judges that the reading fails and records the reading failure times and the reading failed MAC addresses of the electric meters, and the simulation master station is used for carrying out follow-up statistics on the reading success rate and the diagnosis problem.
7. The test system for the local communication protocol pressure test method according to any one of claims 1 to 6, wherein the test system comprises: simulating a master station and a local communication network; the simulation base station comprises: TTCN-3 test set, Titan operating environment, test parameter configuration module, virtual serial port equipment and Socket server program;
the TTCN-3 test set is used for realizing various functions of the simulation concentrator, constructing some data to be issued by the simulation master station in a specific protocol data frame mode, and analyzing and matching the received response data;
the Titan operating environment is used for compiling a test case, executing a test and generating a test log and a comprehensive test log of each test point;
the test parameter configuration module is used for configuring the serial port attribute of the test point and selecting the configuration of modifiable data in an executable test case and a reading instruction;
the virtual serial port equipment is used for providing a communication interface for a Titan operating environment and a Socket server program, so that the test data construction part and the communication link maintenance part are independent;
the Socket server program is used for maintaining and simulating communication between the master station and the plurality of concentrators, namely directly responding to a request for establishing connection of the concentrators or heartbeat messages; and processing and analyzing the received other data, distributing the data uploaded by different concentrators to a target simulation master station, and simultaneously processing and analyzing the data transmitted by the simulation master station and transmitting the data to the target concentrator.
8. The local communication protocol pressure test system of claim 7, wherein the Socket server program specifically functions as: establishing a communication link between the simulation master station and the concentrator, and processing and responding to a login request generated by the connection between the concentrator and the simulation master station; meanwhile, the concentrator can periodically send heartbeat messages to the simulation master station to maintain communication among the heartbeat messages, the heartbeat messages are not key data in the testing process, and Socket server programs can directly process and respond; if the Socket server program receives other data except login and heartbeat reported by the concentrator, the data are uploaded to a Titan test running environment through the virtual serial port equipment, and correspondingly, if the copied data are issued through the virtual serial port equipment, the Socket server program correspondingly issues the data to the corresponding concentrator after receiving the copied data.
9. The local communication protocol pressure test system of claim 7, further comprising: a concentrator and an electricity meter; the local communication network is formed by communication modules installed on the concentrator and the electric meter.
10. The local communication protocol pressure test system of claim 7, wherein the communication protocol of the local communication network comprises: narrowband micropower, narrowband power line carrier, broadband power line carrier, or broadband micropower wireless.
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