CN114553677A - HPLC district communication network operation and maintenance terminal - Google Patents
HPLC district communication network operation and maintenance terminal Download PDFInfo
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- CN114553677A CN114553677A CN202111604296.4A CN202111604296A CN114553677A CN 114553677 A CN114553677 A CN 114553677A CN 202111604296 A CN202111604296 A CN 202111604296A CN 114553677 A CN114553677 A CN 114553677A
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- 238000004128 high performance liquid chromatography Methods 0.000 title claims abstract description 270
- 238000004891 communication Methods 0.000 title claims abstract description 116
- 238000012423 maintenance Methods 0.000 title claims abstract description 106
- 238000001514 detection method Methods 0.000 claims abstract description 79
- 230000003993 interaction Effects 0.000 claims abstract description 17
- 230000001960 triggered effect Effects 0.000 claims abstract description 13
- 230000006855 networking Effects 0.000 claims description 34
- 238000012544 monitoring process Methods 0.000 claims description 24
- 238000012360 testing method Methods 0.000 claims description 22
- 238000000034 method Methods 0.000 claims description 18
- 238000004088 simulation Methods 0.000 claims description 15
- 238000012790 confirmation Methods 0.000 claims description 11
- 238000004458 analytical method Methods 0.000 claims description 10
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- 238000012545 processing Methods 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims description 4
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- 238000007726 management method Methods 0.000 description 7
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- 238000010276 construction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000013024 troubleshooting Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000023402 cell communication Effects 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/06—Management of faults, events, alarms or notifications
- H04L41/0677—Localisation of faults
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/02—Details
- H04B3/46—Monitoring; Testing
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q9/00—Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q2209/00—Arrangements in telecontrol or telemetry systems
- H04Q2209/60—Arrangements in telecontrol or telemetry systems for transmitting utility meters data, i.e. transmission of data from the reader of the utility meter
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The invention provides an operation and maintenance terminal of an HPLC (high performance liquid chromatography) district communication network, which comprises a microprocessor, and a human-computer interaction module, a Bluetooth module, a wireless communication module, a carrier interface control module and a relay control module which are electrically connected with the microprocessor in a pulling way; the microprocessor is used for receiving a command of a field operation terminal and a command triggered by the human-computer interaction module through the Bluetooth module, triggering different detection commands according to different detection objects and different communication protocols, and performing function detection of interfaces of the concentrator HPLC module and the single-three-phase HPLC module and interchangeability detection between the concentrator HPLC module and the single-three-phase HPLC module in different schemes of different manufacturers according to the detection commands. The invention establishes connection with the carrier communication network of the HPLC area through the operation and maintenance terminal, monitors the interconnection protocol message sent by the equipment in the channel, and judges the timeliness, module interchangeability and the evaluation of the communication network of the area through analyzing different communication role messages, thereby finally achieving the purpose of accurately positioning the fault.
Description
Technical Field
The invention relates to the technical field of carrier communication, in particular to an operation and maintenance terminal of an HPLC (high performance liquid chromatography) district communication network.
Background
The power line carrier communication is a communication technology for data transmission by using a power line as a communication medium, is a communication mode specific to a power system, and is a key technology for realizing data acquisition and transmission in a power consumption information acquisition system of a power consumer. The communication defects of the narrow-band carrier of the power line are gradually highlighted after years of construction, operation and maintenance, and the research and market layout of the wide-band carrier communication technology of the power line are accelerated by the national power grid.
With the promulgation of the national power grid low-voltage power line high-speed carrier communication interconnection technical specification, the HPLC carrier module is being more and more widely applied to the new generation of smart meters in china and becomes an important component of the smart power grid. The coverage of the HPLC station is rapidly spreading in the service range of the national power grid company in a large scale, the number of HPLC modules operated by each province company of the national power grid exceeds 2 hundred million, and the coverage of the low-voltage station exceeds one million.
In the face of such a huge application scale, the operation and maintenance work of the HPLC area is very important. In the field operation and maintenance process of an HPLC (high performance liquid chromatography) platform area, due to the fact that various metering and collecting devices are updated, the field environment with multiple protocols coexisting is complex and changeable, the HPLC mixed-loading construction is adopted, fault reasons are diversified, the troubleshooting difficulty is high, troubleshooting is mainly carried out by relying on personal experience, the current operation and maintenance means is single, the operation and maintenance cost is increased, the fault resolution is slow, and intelligent analysis means are lacked. Therefore, it is very necessary to provide a professional, universal and convenient operation and maintenance terminal of the HPLC cell communication network.
The Chinese patent application with the application number of 201610158618.X discloses a device and a method for diagnosing the fault of the low-voltage power line broadband carrier communication network. The method can visually display various noises influencing carrier communication by collecting the noises on the power line and analyzing the frequency spectrum: background noise, periodic noise and burst noise, and rapidly diagnosing fault information of the field carrier communication network. However, the patent does not perform deep analysis on the HPLC (High-Speed Power Line Communication) technology, does not cover the detection of interconnection and intercommunication of Power Line High-Speed carrier Communication modules in a field low-voltage HPLC station area, and cannot perform evaluation and detection of interchangeability of modules of different manufacturers in the HPLC mixed loading station area and diagnosis of networking conditions among modules in the HPLC mixed loading station area environment, so the method is not suitable for performing field operation maintenance on a HPLC station area Communication network.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides an operation and maintenance terminal of an HPLC (high performance liquid chromatography) district communication network, which is connected with the HPLC district carrier communication network through the operation and maintenance terminal, monitors interconnection protocol messages sent by equipment in a channel, and judges the timeliness and module interchangeability of the messages and the district communication network evaluation by analyzing different communication role messages so as to finally achieve the aim of accurately positioning faults.
An operation and maintenance terminal of an HPLC (high performance liquid chromatography) district communication network comprises a microprocessor, and a human-computer interaction module, a Bluetooth module, a wireless communication module, a carrier interface control module and a relay control module which are electrically connected with the microprocessor in a pulling way;
the human-computer interaction module is used for realizing data interaction between an operator and the microprocessor;
the Bluetooth module is used for communicating with a field operation terminal;
the wireless communication module is used for carrying out wireless communication with the concentrator and the electric energy meter;
the carrier interface control module comprises a main control module, a strong current/weak current interface module of a three-phase electric energy meter power line carrier module, a strong current/weak current interface module of a concentrator power line carrier module and a strong current/weak current interface module of a single-phase electric energy meter power line carrier module;
the relay control module is used for being matched with each module of the carrier interface control module and controlling the switching among the strong current/weak current interface modules of the three-phase electric energy meter power line carrier module, the concentrator power line carrier module and the single-phase electric energy meter power line carrier module through the main control module;
the microprocessor is used for receiving a command of a field operation terminal and a command triggered by the human-computer interaction module through the Bluetooth module, triggering different detection commands according to different detection objects and different communication protocols, and performing function detection of interfaces of the concentrator HPLC module and the single-three-phase HPLC module and interchangeability detection between the concentrator HPLC module and the single-three-phase HPLC module in different schemes of different manufacturers according to the detection commands.
Furthermore, the power supply management module is electrically connected with the microprocessor in a pulling mode and used for providing working voltage for the microprocessor and the modules.
The system further comprises a storage module electrically connected with the microprocessor in a pulling mode, and the storage module is used for storing the archive information and parameters of each node and the processing data received by the microprocessor.
Furthermore, the noise monitoring device also comprises a noise monitoring module electrically connected with the microprocessor, wherein the noise monitoring module is used for monitoring the interference noise of the power line at the fault node, displaying the type and the intensity of the noise and further positioning an interference source.
Furthermore, the microprocessor comprises a control unit, a communication unit, a monitoring unit, an analysis unit, a calling and testing unit, a judgment unit and a detection unit, wherein the communication unit, the monitoring unit, the analysis unit, the calling and testing unit, the judgment unit and the detection unit are electrically connected with the control unit;
the communication unit is used for sending a meter searching message frame on each carrier frequency band after triggering a detection command, and configuring the carrier frequency band number same as the application message frame for communication according to the application networking message frame sent by the electric energy meter HPLC module;
the monitoring unit is used for monitoring an interconnection protocol message sent by the equipment in a channel;
the analysis unit is used for analyzing the messages according to different communication protocols in a classified manner, analyzing the messages of different communication objects, and storing the analyzed messages according to the classification;
the calling and testing unit is used for calling and testing network topology, node ID information and master node neighborhood information recorded in the networking process of the HPLC module of the station area concentrator so as to reflect the current communication network state of the local HPLC carrier network;
the judging unit is used for evaluating the current communication network state of the local HPLC carrier network according to the information called by the calling unit, and judging and positioning the nodes without networking faults;
the detection unit is used for performing function detection of interfaces of the concentrator HPLC module and the single-three phase HPLC module and interchangeability detection between the concentrator HPLC module and the single-three phase HPLC module in mixed HPLC areas of different manufacturers and different schemes under the control of the control unit 11.
Further, the detecting unit performs function detection of the HPLC module of the concentrator, and specifically includes:
the concentrator carrier module is detached and inserted into a corresponding carrier module interface of an HPLC (high performance liquid chromatography) platform area operation and maintenance terminal, a detection command is triggered through a key, the HPLC platform area operation and maintenance terminal simulates a point reading principle of a concentrator, a data request message is sent through the HPLC module of the concentrator to be detected and sent to the HPLC platform area operation and maintenance terminal through the built-in standard electric energy meter HPLC module, the HPLC platform area operation and maintenance terminal simulates an intelligent electric meter to reply a data request, if the simulated electric energy meter replies data, data information simulating current electric quantity data sent by a processor is displayed on a display of the HPLC platform area operation and maintenance terminal, the fact that the concentrator carrier module to be detected operates normally is proved, and if no data is replied, the fault of the concentrator carrier module to be detected is proved.
Further, the detection unit performs function detection of the single three-phase HPLC module interface, and specifically includes:
the method comprises the steps that an HPLC area operation and maintenance terminal is connected with a carrier network of an HPLC area through an insulating coupling clamp, on-line testing of a single three-phase target electric energy meter to be tested is started, field personnel use a keyboard input function or an infrared reading function to set a communication address of the electric energy meter to be tested to the HPLC area operation and maintenance terminal, a detection command is triggered through a key, the HPLC area operation and maintenance terminal sends a data request message to the electric energy meter to be tested through a built-in standard concentrator HPLC module, if the electric energy meter to be tested replies data, current electric quantity data of the electric energy meter to be tested are displayed on a display of the HPLC area operation and maintenance terminal, the fact that the electric energy meter to be tested normally operates is proved, and faults of the electric energy meter to be tested and the HPLC module are eliminated; if the electric energy meter to be tested does not have data reply, the carrier module is detached and inserted into a corresponding carrier module interface of an HPLC (high performance liquid chromatography) platform area operation and maintenance terminal, a detection command is triggered through a key, the HPLC platform area operation and maintenance terminal simulates the point reading principle of a concentrator, a data request message is sent through an HPLC module with a built-in standard concentrator, the data request is sent to the HPLC platform area operation and maintenance terminal through the HPLC module of the electric energy meter to be tested, the HPLC platform area operation and maintenance terminal simulates an intelligent electric meter to reply the data request, if the data is replied by the simulated electric energy meter, data information simulating current electric quantity data sent by a processor is displayed on a display of the HPLC platform area operation and maintenance terminal, the actual operation of the single-three-phase carrier module to be tested is proved to be normal, and if the processor does not have data reply, the single-three-phase carrier module to be tested is proved to be in fault.
Further, the detecting unit performs interchangeability detection between the concentrator HPLC module and the single-three phase HPLC module in the mixed HPLC area of different manufacturers according to different schemes, and specifically includes:
simultaneously inserting concentrator I type HPLC communication units CCO and electric energy meter HPLC communication units STA of different manufacturers and different schemes into corresponding carrier interfaces of an HPLC area operation and maintenance terminal, and after triggering a detection command through a key, electrifying and initializing the equipment by a power management module;
the HPLC area operation and maintenance terminal simulation concentrator issues a main node address setting command to a CCO to be tested, after receiving confirmation, issues an auxiliary node adding command to the CCO to be tested, issues a communication address of a target network node to the CCO to be tested, and waits for a confirmation message returned by the CCO to be tested;
after receiving a central beacon message sent by a CCO to be tested, the STA to be tested sends an association request message to the CCO to be tested to apply for routing networking, and after receiving the association request message, the CCO to be tested replies an association confirmation message;
the HPLC area operation and maintenance terminal simulation concentrator sends a target station to-be-tested STA monitoring slave node command to the to-be-tested CCO, and starts an active meter reading service of the concentrator, wherein the active meter reading service is used for reading the current time of the HPLC area operation and maintenance terminal simulation electric energy meter where the STA is located;
the CCO to be tested issues a meter reading downlink message to an HPLC (high performance liquid chromatography) platform area operation and maintenance terminal simulation electric energy meter, reads a current time data item, and then replies a meter reading uplink message, namely an electric energy meter response message, to the simulation concentrator;
monitoring whether an electric energy meter response message reported by a CCO (central processing unit) can be received or not within a specified time by an HPLC (high performance liquid chromatography) station operation and maintenance terminal, if the electric energy meter response message is not received, indicating that the CCO meter reading uplink message fails to be forwarded, and if the data contained in the received message is different from the data of the electric energy meter, indicating that the CCO meter reading uplink message has a wrong data forwarding result, and indicating that the interchangeability of the CCO module to be tested and the STA module is unqualified; otherwise, indicating that the CCO meter reading uplink forwarding data is successful, and indicating that the interchangeability of the CCO module to be tested and the STA module is qualified.
The invention has the following beneficial effects:
1. the method has compatibility of being compatible with various communication protocols, and the current communication network state of the local HPLC carrier network is reflected through network topology, node ID information and master node neighborhood information recorded in the networking process of the HPLC module of the station area concentrator, so that non-networking fault nodes are quickly and accurately positioned;
2. based on the meter searching function of the HPLC communication unit, the concentrator HPLC module is connected with the single-three-phase electric energy meter module, and interchangeability detection among the concentrator HPLC module, the collector HPLC module and the single-three-phase electric energy meter HPLC module in different manufacturer and different schemes is realized;
3. the device is provided with a base interface suitable for each HPLC module, and the function and performance detection of the interfaces of the HPLC module of the single concentrator, the HPLC module of the collector and the HPLC module of the electric energy meter in the HPLC area is realized.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of an operation and maintenance terminal of an HPLC (high Performance liquid chromatography) platform area communication network of the present invention;
FIG. 2 is a schematic diagram of a microprocessor according to the present invention;
FIG. 3 is a flow chart of the operation of the present invention for detecting the interchangeability of HPLC modules from different manufacturers;
FIG. 4 is a schematic diagram of message interaction during interchangeability detection between a concentrator HPLC module and a single-three-phase HPLC module in a mixed-loading HPLC area according to different schemes of different manufacturers;
FIG. 5 shows the detection items and the display results of the HPLC carrier module of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Please refer to fig. 1, which is an embodiment of an HPLC distribution network operation and maintenance terminal (hereinafter referred to as an HPLC distribution network operation and maintenance terminal) of the present invention, including a microprocessor 1, and a power management module 2, a storage module 3, a human-computer interaction module 4, a bluetooth module 5, a wireless communication module, a carrier interface control module 7, a relay control module 8, and a noise monitoring module 9 electrically connected to the microprocessor 1.
The power management module 2 is used for providing working voltage for the microprocessor 1 and each module, and different power management schemes can be provided for different fault diagnoses on the premise of meeting all functions, so that the power consumption of the device is greatly reduced, and the power safety is guaranteed;
the storage module 3 is used for storing the archive information and parameters of each node and the processing data received by the microprocessor 1;
the human-computer interaction module 4 comprises a keyboard key, an LCD display screen and an indicator light and is used for realizing data interaction between an operator and the microprocessor 1;
the Bluetooth module 5 is used for communicating with a field operation terminal, and the effective communication distance is not less than 10 m;
the wireless communication module 6 is used for carrying out wireless communication with the concentrator and the electric energy meter, adopts 4G full network communication and supports SIM card self-ejection plugging;
the carrier interface control module 7 supports multi-version communication module testing and comprises four modules, namely a strong current/weak current interface module which accords with a three-phase electric energy meter power line carrier module; secondly, a strong current/weak current interface module which accords with the concentrator power line carrier module; thirdly, a strong current/weak current interface module which accords with a power line carrier module of the single-phase electric energy meter; fourthly, the main control module controls the three functional modules;
the relay control module 8 is used for being matched with each module of the carrier interface control module 7, and controlling the switching among the strong current/weak current interface modules of the three-phase electric energy meter power line carrier module, the concentrator power line carrier module and the single-phase electric energy meter power line carrier module through the main control module, so that the fault diagnosis is respectively carried out on different types of communication modules, and the diagnosis can be effectively and quickly finished;
the noise monitoring module 9 is configured to monitor interference noise of the power line at the fault node, display the type and intensity of the noise, and further locate the interference source.
Referring to fig. 2, the microprocessor 1 includes a control unit 11, a communication unit 12 electrically connected to the control unit, a monitoring unit 13, an analysis unit 14, a testing unit 15, a determination unit 16, and a detection unit 17.
The control unit 11 is configured to trigger different detection commands according to different detection objects and different communication protocols; the concentrator I type, the collector I type, the single \ three-phase electric energy meter and the corresponding HPLC carrier module can be identified; the concentrator is compatible with different communication protocols of Q/GDW 1376.2-2013 and DL/T698.45, and the electric energy meter is compatible with different protocols of DL/T645-1997, DL/T645-2007 and DL/T698.45; the Bluetooth module 5 is also used for receiving commands of the field operation terminal and commands triggered by the human-computer interaction module 4;
the communication unit 12 is configured to send a table search message frame on each carrier frequency band after triggering the detection command, and configure a carrier frequency band number the same as the application message frame for communication according to the application networking message frame sent by the HPLC module of the electric energy meter; the carrier frequency band is an HPLC (High-Speed Power Line Communication High-Speed Power Line carrier) Communication working frequency range of 0.7M-12M; includes four frequency bands: 2.4MHz-5.6MHz (frequency band 0), 2MHz-12MHz (frequency band 1), 0.7MHz-3MHz (frequency band 2), and l.7MHz-3MHz (frequency band 3);
the monitoring unit 13 is configured to monitor an interconnection protocol packet sent by a device in a channel;
the analysis unit 14 is configured to analyze the messages according to different communication protocols, analyze the messages of different communication objects, and store the analyzed messages according to classification;
the testing unit 15 is configured to call network topology, ID information of each node, and neighborhood information of a master node, which are recorded in a networking process of the HPLC module of the station area concentrator, so as to reflect a current communication network state of the local HPLC carrier network;
the judging unit 16 is configured to evaluate a current communication network state of the local HPLC carrier network according to information summoned by the summoning unit 15, and judge and position a non-networking fault node;
the detection unit 17 is used for performing function detection of interfaces of the concentrator HPLC module and the single-three phase HPLC module, and interchangeability detection between the concentrator HPLC module and the single-three phase HPLC module in the mixed HPLC areas of different manufacturers and different schemes.
The HPLC area operation and maintenance terminal can perform HPLC module interface function and performance detection. After the electric energy meter and the HPLC module corresponding to the fault node which is not networked in the HPLC area carrier network are positioned, the function and the performance of an interface can be further detected for the HPLC carrier module of the single three-phase electric energy meter; triggering and acquiring a carrier detection command frame through a Bluetooth transmission of a field operation terminal or a human-computer interaction key of an operation and maintenance terminal of an HPLC (high performance liquid chromatography) station area; the HPLC station area operation and maintenance terminal judges the type of the acquired carrier detection command; and adopting corresponding power management schemes according to different carrier detection command types, carrying out corresponding carrier operation, and responding to the detection result.
The function detection process of the interface of the concentrator HPLC module and the single three-phase HPLC module is as follows:
the detection principle of the HPLC carrier module of the single three-phase electric energy meter is as follows: the method comprises the steps that an HPLC area operation and maintenance terminal is connected with a carrier network of an HPLC area through an insulating coupling clamp, on-line testing of a single three-phase target electric energy meter to be tested is started, field personnel can set a communication address of the electric energy meter to be tested to the HPLC area operation and maintenance terminal through a keyboard input function or an infrared reading function, a detection command is triggered through a key, the HPLC area operation and maintenance terminal simulates a point reading principle of a concentrator, a data request message is sent to the electric energy meter to be tested through an HPLC module with a built-in standard concentrator, if the electric energy meter to be tested replies data, current electric quantity data of the electric energy meter to be tested are displayed on a display of the HPLC area operation and maintenance terminal, the actual operation of the electric energy meter to be tested is proved to be normal, and faults of the electric energy meter to be tested and the HPLC module can be eliminated; if the electric energy meter to be tested does not reply data, the carrier module of the electric energy meter to be tested can be detached and inserted into a corresponding carrier module interface of an operation and maintenance terminal of an HPLC area, a detection command is triggered through a key, the operation and maintenance terminal of the HPLC area simulates the point reading principle of a concentrator, a data request message is sent through an HPLC module of a built-in standard concentrator, the data request is sent to the operation and maintenance terminal of the HPLC area through the HPLC module of the electric energy meter to be tested, the operation and maintenance terminal of the HPLC area simulates an intelligent electric energy meter to reply the data request, if the data is replied by the simulated electric energy meter, data information simulating current electric quantity data sent by a processor can be displayed on a display of the operation and maintenance terminal of the HPLC area, the actual operation of the single-three-phase carrier module to be tested is proved to be normal, and if the processor does not reply data, the single-three-phase carrier module to be tested is proved to be in fault.
Detection principle of concentrator carrier module: the detection mode of the concentrator carrier module is just opposite to that of the single-phase module, the concentrator carrier module is detached and inserted into a corresponding carrier module interface of an HPLC (high performance liquid chromatography) station area operation and maintenance terminal, a detection command is triggered through a key, the HPLC station area operation and maintenance terminal simulates the point reading principle of a concentrator, a data request message is sent through the to-be-detected concentrator HPLC module and sent to the HPLC station area operation and maintenance terminal through the built-in standard electric energy meter HPLC module, the HPLC station area operation and maintenance terminal simulates an intelligent electric meter to reply the data request, if the simulated electric energy meter replies data, data information simulating current electric quantity data sent by a processor is displayed on a display of the HPLC station area operation and maintenance terminal, the actual operation of the to-be-detected concentrator carrier module is proved to be normal, and if no data is replied, the to-be-detected concentrator carrier module is proved to be in fault.
The HPLC station area operation and maintenance terminal can also detect the interchangeability of HPLC modules of different manufacturers, can simulate a concentrator to use and an electric energy meter to use, and returns a message by using the field electric energy meter when only the field concentrator HPLC module is inserted into a carrier detection interface of the HPLC station area operation and maintenance terminal; and when only the electric energy meter HPLC module is plugged, the HPLC area operation and maintenance terminal is used as the electric energy meter to return a message to the concentrator module.
During interchangeability testing, concentrator I-type HPLC communication units (CCO) and electric energy meter HPLC communication units (STA) of different manufacturers and different schemes are simultaneously inserted into corresponding carrier interfaces of the HPLC station area operation and maintenance terminal, and an operation flow is shown in fig. 3.
1) The method comprises the steps that a metering field operation terminal transmits an electric energy meter HPLC carrier module test command after being connected with an HPLC station operation and maintenance terminal through Bluetooth;
2) after receiving the command, the operation and maintenance terminal in the HPLC station area adds the communication address file information of the target electric energy meter to the HPLC module of the concentrator, and then sends a meter searching message on each carrier frequency band;
3) after receiving the carrier message, the electric energy meter HPLC carrier module sends a message application networking message frame to the concentrator HPLC carrier module;
4) after receiving the application networking message, the HPLC (high performance liquid chromatography) platform area operation and maintenance terminal returns a carrier frequency band number which is configured to be the same as the application message frame to the electric energy meter HPLC carrier module for networking communication, and then sends a reading command message to the electric energy meter HPLC module;
5) the electric energy meter HPLC carrier module feeds back the reading data item result to the concentrator HPLC carrier module;
6) and the concentrator HPLC carrier module returns the result to the HPLC area operation and maintenance terminal for judgment, and the result is sent to the field operation terminal after the judgment.
The interchangeability detection process between the concentrator HPLC module and the single three-phase HPLC module in the mixed HPLC zone of different manufacturers and different schemes is as follows (see fig. 4):
simultaneously inserting concentrator I-type HPLC communication units (CCO) and electric energy meter HPLC communication units (STA) of different manufacturers and different schemes into corresponding carrier interfaces of an HPLC area operation and maintenance terminal, and after triggering a detection command through a key, powering on and initializing the equipment by a power management module 2;
the HPLC area operation and maintenance terminal simulation concentrator issues a main node address setting command to a CCO to be tested, after receiving confirmation, issues an auxiliary node adding command to the CCO to be tested, issues a communication address of a target network node to the CCO to be tested, and waits for a confirmation message returned by the CCO to be tested;
after receiving the 'central beacon' message sent by the CCO to be tested, the STA to be tested sends an 'association request' message to the CCO to be tested to apply for routing networking, and after receiving the association request message, the CCO to be tested replies an 'association confirmation' message. After the HPLC station area operation and maintenance terminal monitors the 'association confirmation' message sent by the CCO to be tested, the networking is normal by default.
The HPLC area operation and maintenance terminal simulation concentrator sends a target station to-be-tested STA monitoring slave node command to the to-be-tested CCO, and starts an active meter reading service of the concentrator, so that the active meter reading service is used for point reading of the current time of a virtual electric energy meter (HPLC area operation and maintenance terminal simulation electric energy meter) where the STA is located.
And the CCO to be tested issues a meter reading downlink message to the HPLC area operation and maintenance terminal simulation electric energy meter, reads the current time data item, and then replies a meter reading uplink message, namely an electric energy meter response message, to the simulation concentrator.
Monitoring whether an electric energy meter response message reported by a CCO (central processing unit) can be received or not within a specified time by an HPLC (high performance liquid chromatography) station operation and maintenance terminal, if the electric energy meter response message is not received, indicating that the CCO meter reading uplink message fails to be forwarded, and if the data contained in the received message is different from the data of the electric energy meter, indicating that the CCO meter reading uplink message has a wrong data forwarding result, and indicating that the interchangeability of the CCO module to be tested and the STA module is unqualified; otherwise, indicating that the CCO meter reading uplink forwarding data is successful, and indicating that the interchangeability of the CCO module to be tested and the STA module is qualified.
The HPLC district operation and maintenance terminal can also perform HPLC district carrier network evaluation. Specifically, each HPLC node in the HPLC district carrier network has parameters such as signal strength, adjacent node information, network path information and the like, and the carrier nodes of the electric energy meter report own ID information and frequency band information to the concentrator HPLC module to apply networking for establishing connection in the networking and maintenance process; the concentrator carrier node maintains the current network networking topology, records the ID information of each node, records the main node information of the adjacent domain and maintains a dynamic current carrier network communication state in the carrier networking and maintaining process; meanwhile, the concentrator carrier node responds to a network topology query command, a carrier chip ID information query command and a temporary domain master node query command of the concentrator, and feeds back the current carrier network networking state of the HPLC area to the HPLC area operation and maintenance terminal.
An HPLC station operation and maintenance terminal is compatible with a concentrator with Q/GDW 1376.2-2013 and DL/T698.45 different communication protocols, connection is established with a carrier network of an HPLC station through an insulation coupling clamp (a communication unit 12), a microprocessor 1 of the HPLC station operation and maintenance terminal monitors interconnection messages of carrier links through a monitoring unit 13, identified power line messages are classified, analyzed and stored through an analyzing unit 14, network topology, carrier chip ID information and adjacent domain main node information recorded by a carrier module of the concentrator are read through a summoning unit 15, the state of the current carrier network of the HPLC station is evaluated, and electric energy meter information of nodes without networking faults is judged and provided through a judging unit 16.
A concentrator HPLC local communication module and an electric energy meter single-phase or three-phase HPLC communication module are respectively installed on the detection equipment, the networking and communication use is recorded through side test process monitoring software, the test data is subjected to match selection and arrangement, and the result is shown in the table 1 to obtain the following conclusion.
1) All networking time and total detection time in the table are obtained by manual timing, and have certain errors for reference.
2) And (3) networking time, namely electrifying the module, determining the 1 st frame of copied local communication module operation information as networking starting time, and determining the 1 st frame of networking confirmation message as networking finishing time.
3) Longest/shortest when networking is used: and reading all the HPLC scheme ammeter modules by different concentrator carrier modules for data match selection, and testing 5 HPLC schemes in total, wherein the longest item and the shortest item correspond to 5 groups of networking time.
TABLE 1 detection results of interchangeability function of HPLC module
The implementation case of the invention adopts an HPLC platform area operation and maintenance terminal to test the HPLC carrier modules of different schemes of each manufacturer, a concentrator HPLC local communication module and an electric energy meter single-phase or three-phase HPLC communication module are respectively arranged on the detection equipment to complete the corresponding communication function test of the HPLC modules, the result is shown in table 2, the function mainly realizes the field carrier communication fault identification of the HPLC modules and the interconnection and intercommunication performance detection of different HPLC schemes, and fig. 5 shows the detection items and the display result.
TABLE 2 HPLC MODULE COMMUNICATION FUNCTION TEST RESULTS
In FIG. 5, the successful communication indicates "successful communication! "and" vendor XX, version XXXX "displays the switch frame; unqualified carrier or interface (V represents qualified, X represents unqualified) represents communication failure; the display "1P" indicates that a single-phase meter module is detected, the display "3P" indicates that a three-phase meter module is detected, and the display "2P" indicates that a concentrator module is detected.
The operation and maintenance terminal of the HPLC area is applied to the low-voltage HPLC area, is compatible with operation of a plurality of protocol metering and collecting devices (comprising concentrators of Q/GDW 1376.2-2013 and DL/T698.45 with different communication protocols, electric energy meters with DL/T645-1997, DL/T645-2007 and DL/T698.45 with different protocols), identifies HPLC carrier communication faults of the concentrators or the electric energy meters, realizes quick intelligent diagnosis of interchangeability of HPLC modules of different manufacturers with different schemes, realizes diagnosis of networking capacity among modules in different on-site area environments, ensures stable and reliable operation of the low-voltage HPLC area, and improves collection, operation and maintenance efficiency.
The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. An operation and maintenance terminal of an HPLC (high performance liquid chromatography) district communication network is characterized in that: the system comprises a microprocessor, a human-computer interaction module, a Bluetooth module, a wireless communication module, a carrier interface control module and a relay control module, wherein the human-computer interaction module, the Bluetooth module, the wireless communication module, the carrier interface control module and the relay control module are electrically connected with the microprocessor;
the human-computer interaction module is used for realizing data interaction between an operator and the microprocessor;
the Bluetooth module is used for communicating with a field operation terminal;
the wireless communication module is used for carrying out wireless communication with the concentrator and the electric energy meter;
the carrier interface control module comprises a main control module, a strong current/weak current interface module of a three-phase electric energy meter power line carrier module, a strong current/weak current interface module of a concentrator power line carrier module and a strong current/weak current interface module of a single-phase electric energy meter power line carrier module;
the relay control module is used for being matched with each module of the carrier interface control module and controlling the switching among the strong current/weak current interface modules of the three-phase electric energy meter power line carrier module, the concentrator power line carrier module and the single-phase electric energy meter power line carrier module through the main control module;
the microprocessor is used for receiving a command of a field operation terminal and a command triggered by the human-computer interaction module through the Bluetooth module, triggering different detection commands according to different detection objects and different communication protocols, and performing function detection of interfaces of the concentrator HPLC module and the single-three-phase HPLC module and interchangeability detection between the concentrator HPLC module and the single-three-phase HPLC module in different schemes of different manufacturers according to the detection commands.
2. The HPLC station area communication network operation and maintenance terminal of claim 1, wherein: the power supply management module is electrically connected with the microprocessor and used for providing working voltage for the microprocessor and each module.
3. The HPLC station area communication network operation and maintenance terminal of claim 1, wherein: the system also comprises a storage module electrically connected with the microprocessor in a pulling mode, wherein the storage module is used for storing the archive information and parameters of each node and the processing data received by the microprocessor.
4. The HPLC station area communication network operation and maintenance terminal of claim 1, wherein: the noise monitoring module is electrically connected with the microprocessor, and is used for monitoring the interference noise of the power line at the fault node, displaying the type and the strength of the noise and further positioning an interference source.
5. The HPLC station area communication network operation and maintenance terminal of claim 1, wherein: the microprocessor comprises a control unit, a communication unit, a monitoring unit, an analysis unit, a calling and testing unit, a judging unit and a detection unit, wherein the communication unit, the monitoring unit, the analysis unit, the calling and testing unit, the judging unit and the detection unit are electrically connected with the control unit;
the communication unit is used for sending a meter searching message frame on each carrier frequency band after triggering a detection command, and configuring the carrier frequency band number same as the application message frame for communication according to the application networking message frame sent by the electric energy meter HPLC module;
the monitoring unit is used for monitoring an interconnection protocol message sent by the equipment in a channel;
the analysis unit is used for analyzing the messages according to different communication protocols in a classified manner, analyzing the messages of different communication objects, and storing the analyzed messages according to the classification;
the calling and testing unit is used for calling and testing network topology, node ID information and master node neighborhood information recorded in the networking process of the HPLC module of the station area concentrator so as to reflect the current communication network state of the local HPLC carrier network;
the judging unit is used for evaluating the current communication network state of the local HPLC carrier network according to the information called by the calling unit, and judging and positioning the nodes without networking faults;
the detection unit is used for performing function detection of interfaces of the concentrator HPLC module and the single-three phase HPLC module and interchangeability detection between the concentrator HPLC module and the single-three phase HPLC module in mixed HPLC areas of different manufacturers and different schemes under the control of the control unit 11.
6. The HPLC station area communication network operation and maintenance terminal of claim 5, wherein: the detection unit performs function detection of the HPLC module of the concentrator, and specifically comprises:
the concentrator carrier module is detached and inserted into a corresponding carrier module interface of an HPLC (high performance liquid chromatography) platform area operation and maintenance terminal, a detection command is triggered through a key, the HPLC platform area operation and maintenance terminal simulates a point reading principle of a concentrator, a data request message is sent through the HPLC module of the concentrator to be detected and sent to the HPLC platform area operation and maintenance terminal through the built-in standard electric energy meter HPLC module, the HPLC platform area operation and maintenance terminal simulates an intelligent electric meter to reply a data request, if the simulated electric energy meter replies data, data information simulating current electric quantity data sent by a processor is displayed on a display of the HPLC platform area operation and maintenance terminal, the fact that the concentrator carrier module to be detected operates normally is proved, and if no data is replied, the fault of the concentrator carrier module to be detected is proved.
7. The HPLC station area communication network operation and maintenance terminal of claim 5, wherein: the detection unit carries out function detection of a single three-phase HPLC module interface, and specifically comprises:
the method comprises the steps that an HPLC area operation and maintenance terminal is connected with a carrier network of an HPLC area through an insulating coupling clamp, on-line testing of a single three-phase target electric energy meter to be tested is started, field personnel use a keyboard input function or an infrared reading function to set a communication address of the electric energy meter to be tested to the HPLC area operation and maintenance terminal, a detection command is triggered through a key, the HPLC area operation and maintenance terminal sends a data request message to the electric energy meter to be tested through a built-in standard concentrator HPLC module, if the electric energy meter to be tested replies data, current electric quantity data of the electric energy meter to be tested are displayed on a display of the HPLC area operation and maintenance terminal, the fact that the electric energy meter to be tested normally operates is proved, and faults of the electric energy meter to be tested and the HPLC module are eliminated; if the electric energy meter to be tested does not have data reply, the carrier module is detached and inserted into a corresponding carrier module interface of an HPLC (high performance liquid chromatography) platform area operation and maintenance terminal, a detection command is triggered through a key, the HPLC platform area operation and maintenance terminal simulates the point reading principle of a concentrator, a data request message is sent through an HPLC module with a built-in standard concentrator, the data request is sent to the HPLC platform area operation and maintenance terminal through the HPLC module of the electric energy meter to be tested, the HPLC platform area operation and maintenance terminal simulates an intelligent electric meter to reply the data request, if the data is replied by the simulated electric energy meter, data information simulating current electric quantity data sent by a processor is displayed on a display of the HPLC platform area operation and maintenance terminal, the actual operation of the single-three-phase carrier module to be tested is proved to be normal, and if the processor does not have data reply, the single-three-phase carrier module to be tested is proved to be in fault.
8. The HPLC station area communication network operation and maintenance terminal of claim 5, wherein: the detecting unit carries out interchangeability detection between a concentrator HPLC module and a single three-phase HPLC module in mixed loading HPLC areas of different manufacturers in different schemes, and the interchangeability detection specifically comprises the following steps:
simultaneously inserting concentrator I type HPLC communication units CCO and electric energy meter HPLC communication units STA of different manufacturers and different schemes into corresponding carrier interfaces of an HPLC area operation and maintenance terminal, and after triggering a detection command through a key, electrifying and initializing the equipment by a power management module;
the HPLC area operation and maintenance terminal simulation concentrator issues a main node address setting command to a CCO to be tested, after receiving confirmation, issues an auxiliary node adding command to the CCO to be tested, issues a communication address of a target network node to the CCO to be tested, and waits for a confirmation message returned by the CCO to be tested;
after receiving a central beacon message sent by a CCO to be tested, the STA to be tested sends an association request message to the CCO to be tested to apply for routing networking, and after receiving the association request message, the CCO to be tested replies an association confirmation message;
the HPLC area operation and maintenance terminal simulation concentrator sends a target station to-be-tested STA monitoring slave node command to the to-be-tested CCO, and starts an active meter reading service of the concentrator, wherein the active meter reading service is used for reading the current time of the HPLC area operation and maintenance terminal simulation electric energy meter where the STA is located;
the CCO to be tested issues a meter reading downlink message to an HPLC (high performance liquid chromatography) platform area operation and maintenance terminal simulation electric energy meter, reads a current time data item, and then replies a meter reading uplink message, namely an electric energy meter response message, to the simulation concentrator;
monitoring whether an electric energy meter response message reported by a CCO (central processing unit) can be received or not within a specified time by an HPLC (high performance liquid chromatography) station operation and maintenance terminal, if the electric energy meter response message is not received, indicating that the CCO meter reading uplink message fails to be forwarded, and if the data contained in the received message is different from the data of the electric energy meter, indicating that the CCO meter reading uplink message has a wrong data forwarding result, and indicating that the interchangeability of the CCO module to be tested and the STA module is unqualified; otherwise, indicating that the CCO meter reading uplink forwarding data is successful, and indicating that the interchangeability of the CCO module to be tested and the STA module is qualified.
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