CN107656232B - On-site defect eliminating method for electric meter with no data fault under II-type concentrator - Google Patents
On-site defect eliminating method for electric meter with no data fault under II-type concentrator Download PDFInfo
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- G—PHYSICS
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- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
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- G—PHYSICS
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- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
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Abstract
A field defect eliminating method for an ammeter under a II-type concentrator without data failure relates to a field defect eliminating method. At present, some faults need to be processed on site, the on-site processing efficiency is low, and misjudgment, missed judgment and repeated judgment are easy to occur. The invention comprises the following steps: 1) a preparation step; 2) eliminating the defect step, comprising: information checking, general checking, checking terminal parameters, checking local communication, reading electric energy meter data, manually confirming faults and feeding back a system. The technical scheme is sequentially processed according to the setting, so that the processing speed is effectively improved, misjudgment, missed judgment and repeated judgment are avoided, and the problem that no meter reading data exists for multiple days under a II-type concentrator is quickly and accurately eliminated through a standardized field fault defect eliminating flow.
Description
Technical Field
The invention relates to a field defect eliminating method, in particular to a field defect eliminating method for an ammeter under a II-type concentrator without data failure.
Background
Because the number of the Zhejiang province acquisition terminals exceeds 300 thousands, and manufacturers, batches, specifications, models, accessories and the like are different, operation and maintenance teams in various cities have different, independent and single defect eliminating methods for the faults. The electric meter under the II type concentrator has no data fault, and various defect eliminating methods are generated in daily operation and maintenance work.
With the continuous promotion of the installation of the intelligent electric meter for the low-voltage users in Zhejiang province, a plurality of faults can be directly and remotely processed. However, some faults need to be processed on site, the on-site processing efficiency is low, and misjudgment, missed judgment and repeated judgment are easy to occur.
Disclosure of Invention
The technical problem to be solved and the technical task to be solved by the invention are to perfect and improve the prior technical scheme and provide a field defect eliminating method for the electric meter without data failure under a II-type concentrator so as to achieve the purpose of improving the processing efficiency. Therefore, the invention adopts the following technical scheme.
A field defect eliminating method for an electric meter without data failure under a II-type concentrator is characterized by comprising the following steps:
1) the preparation method comprises the following steps: summarizing fault reasons of no data of the electric meters under all the II-type concentrators; selecting an optimized absence working process of the electric meter under the II-type concentrator without data; summarizing fault processing methods for electric meters without data under all II-type concentrators; feeding back a processing result to a field defect eliminating system and storing the processing result;
2) eliminating the defect: when a fault is found, entering a fault field defect elimination processing flow, wherein general inspection, inspection terminal parameters and inspection local communication are respectively distributed through optimized sequential algorithm analysis according to historical fault information and the working habits of operation and maintenance personnel;
201) information checking, namely checking whether the field terminal information is consistent with the work order information, including checking the terminal asset number to prevent a wrong interval or a working place;
202) general inspection, visually inspecting whether an RS485 has an obvious fault, thoroughly reading data of a certain electric energy meter by using debugging equipment, and verifying the existence of the fault;
203) checking and processing terminal parameters; checking whether the terminal clock is correct; whether the task is normal or not; whether the meter reading parameters are correct or not;
204) local communication is checked; checking whether the 485 wiring of the terminal is correct, whether the RS485 module is normal and whether the communication between the terminal and the electric energy meter is matched;
205) reading the data of the electric energy meter; the method comprises the steps that the mobile equipment is used for thoroughly reading electric energy meter data through an acquisition terminal to verify whether a meter reading parameter and a downlink communication link are normal or not;
206) manually confirming the fault; after a plurality of items are checked, the fault still cannot be determined, and the terminal needs to be replaced according to the processing of the terminal fault;
207) a feedback system; and after debugging is finished, feeding back a fault phenomenon and a processing result, and providing the next processing link.
The technical scheme is sequentially processed according to the setting, so that the processing speed is effectively improved, misjudgment, missed judgment and repeated judgment are avoided, and the problem that no meter reading data exists for multiple days under a II-type concentrator is quickly and accurately eliminated through a standardized field fault defect eliminating flow.
As a further improvement and supplement to the above technical solutions, the present invention also includes the following additional technical features.
The general inspection comprises RS485 wiring inspection and fault verification, wherein during RS485 wiring inspection, whether the RS485 terminal has obvious short circuit and open circuit phenomena is visually inspected, and when the short circuit and the open circuit phenomena exist, local communication inspection is carried out; and when the fault is verified, transparently reading data of a certain electric energy meter, and checking terminal parameters when the reading is successful.
Furthermore, the survey terminal parameters comprise a survey terminal clock, a survey electric energy meter clock, a survey terminal task and survey meter reading parameters;
checking whether the terminal clock is correct or not when checking the terminal clock, resetting the terminal time and recording when the terminal clock is wrong, performing transparent meter reading by using debugging equipment after resetting the terminal time, checking the terminal task when the transparent meter reading is successful, and performing other checks when the transparent meter reading is failed;
when the clock of the electric energy meter is checked, when the electric energy meter connected with the terminal is less, the clock of the electric energy meter needs to be checked, and if the clock is normal, the checking parameters are returned; when the time synchronization is normal, returning to the investigation parameters, and performing relay meter reading; if the time synchronization fails, the electric energy meter can not be synchronized due to the reason of the electric energy meter, and the electric energy meter is selected to be replaced according to the requirement;
when a terminal task is checked, whether the terminal has an acquisition task or not and whether the task is started or not are checked, if the terminal does not have the task, the task is issued again and started, and the task is recorded; if the task is not started, restarting the task or re-issuing the task and starting the task, and recording the operation; if the task is input or the task is failed to start, the terminal is replaced according to the processing of the terminal fault;
when checking meter reading parameters, checking whether the meter reading port number is consistent with the wiring terminal in the meter reading parameters, if the meter reading port number is inconsistent with the wiring terminal, resetting the parameters or correcting the wiring, ensuring that the parameters are consistent with the port, and the port has normal function, and recording; carrying out transparent reading by using debugging equipment through a terminal; and if the transparent copy is successful, checking whether the master station parameters are consistent with the set correct parameters, and verifying the master station. If the copy-through fails, local communication is required to be checked and processed.
Further, checking local communication comprises checking whether RS485 wiring is correct or not, checking whether a terminal RS485 port is normal or not, and checking whether the terminal is matched with the electric energy meter in communication;
when the RS485 connection is checked to be correct, a universal meter or detection equipment is used for checking whether an RS485 loop has open circuit, short circuit or reverse connection, when the RS485 loop is open circuit, short circuit or reverse connection, the connection is corrected, abnormity is recorded, and a certain electric energy meter is thoroughly copied;
when the RS485 port of the terminal is checked to be normal, the RS485 connection of the terminal is disconnected, detection equipment is used for testing whether the two RS485 ports are normal, and if the original RS485 port is normal, other checks are carried out; if the original RS485 port is in fault and the other RS485 port is normal, changing the connection to the other RS485 port, and changing the parameters of the measuring points to ensure that the port numbers in the parameters are consistent with the connected RS485 port; if the two RS485 ports are all in fault, processing according to the terminal fault, and initiating a terminal replacing process;
when checking that the communication of the terminal and the electric energy meter is matched, checking whether the following conditions exist: the communication between the terminal and one or more electric energy meters is normal, and the communication fails when the number of the electric energy meters is increased; if the abnormal condition exists, analyzing and recording the fault phenomenon, timely notifying acquisition technicians to communicate, determining to replace the terminal or the electric energy meter by the acquisition operation and maintenance personnel, and starting a process of replacing the terminal or the electric energy meter.
Further, the information checking, general checking, terminal parameter checking, local communication checking, electric energy meter data reading and manual fault confirmation in the step 2) are sequentially processed, and the next step is carried out after the processing is finished.
Further, general inspection, terminal parameter inspection and local communication inspection in the step 2) are respectively distributed through optimized sequential algorithm analysis according to historical fault information and working habits of operation and maintenance personnel;
the method comprises the following specific steps:
a) the probability coefficient D for the general examination is the following formula:
D＝C1D1+C3D3+C6D6+C∞D∞， (2)
wherein, the general checking, checking terminal parameter and checking local communication in the formula (1) are respectively Xi、Yi、ZiThe historical occurrence probability of the previous i months is expressed, and i ═ infinity represents that all historical data in the operation and maintenance system are collected;
l1 is a logical order weighting factor for general inspection, suggesting that L1 selects 10;
in the formula (2), DmRespectively selecting a set of general examination probabilities of 1 month, 3 months, 6 months and all histories in the system, wherein m is 1, m is 3, m is 6, and m is infinitymFor failure old and new constants, suggest C1Selection of 2, C3Selecting 1.5, C6Selection of 1, C∞Selecting 1.5;
b) the probability coefficient E of the survey terminal parameter is the following formula:
E＝C1E1+C3E3+C6E6+C∞E∞， (4)
wherein, the general checking, checking terminal parameter and checking local communication in the formula (3) are respectively represented by Xi、Yi、ZiThe historical occurrence probability of the previous i months is expressed, and i ═ infinity represents that all historical data in the operation and maintenance system are collected;
l2 is a logic sequence weighting factor of the survey terminal parameters, and L2 is recommended to select 5;
in the formula (4), EmRespectively selecting a set of probabilities of terminal parameters of 1 month, 3 months, 6 months and all historical queries in the system, and CmFor failure old and new constants, suggest C1Selection of 2, C3Selecting 1.5, C6Selection of 1, C∞Selecting1.5。
c) The probability coefficient F of local communication is found as the following formula:
F＝C1F1+C3F3+C6F6+C∞F∞， (2)
wherein, the general checking, checking terminal parameter and checking local communication in the formula (5) are respectively represented by Xi、Yi、ZiThe historical occurrence probability of the previous i months is expressed, and i ═ infinity represents that all historical data in the operation and maintenance system are collected;
l3 is a logical sequence weighting factor for local communication at the survey, suggesting L3 choose 5;
in the formula (6), FmRespectively selecting a set of local communication probabilities of 1 month, 3 months, 6 months and all historical searches in the system, and CmFor failure old and new constants, suggest C1Selection of 2, C3Selecting 1.5, C6Selection of 1, C∞Selecting 1.5;
d) according to the D, E, F results obtained in the steps 1, 2 and 3, the largest one is selected as the first order, the second largest one is selected as the second order, and the third largest one is selected as the third order.
Operation and maintenance personnel guide on-site defect elimination work through a palm computer, and the palm computer is provided with a plurality of modules, including an information checking module, a processing option module, a general inspection module, a terminal parameter inspection module, a meter reading parameter inspection module, a local communication inspection module, a collector, an electric energy meter testing module and a manual confirmation module;
in the information checking module, recording a terminal name, a terminal bar code and an operation instruction, and checking terminal information; after the terminal information is checked, entering a processing option module;
processing options are displayed in the processing option module, can be sequentially operated in sequence and can also be selected as required, and the processing options which are completed and unfinished are displayed in the processing option module in a distinguishing way, wherein the processing options comprise infrared relay meter reading, general inspection, terminal parameter inspection, local communication inspection and manual confirmation;
in a general inspection module, a transparent reading electric energy meter option and a 485 wiring problem option are displayed and selected according to the actual situation, so that the convenience of operation is improved, and the calculation, analysis and processing of problems are facilitated;
the terminal parameter checking module is provided with a plurality of options, including terminal clock checking, terminal task checking and meter reading parameter checking, corresponding options are selected according to field conditions, the input of the terminal clock checking, the terminal task checking and the meter reading parameter checking is realized, the field conditions of whether the terminal clock is correct, whether the task is normal and whether the meter reading parameter is correct are recorded, and the analysis and the processing are convenient;
the meter reading parameter checking module is provided with a master station meter reading port number entry window, a meter reading port number reading window, a meter reading port number setting window and 485 port wiring error and wiring corrected options; the meter reading parameters and the downlink communication link are conveniently verified, and the problem is conveniently processed and solved;
the local communication inspection module is provided with a collector and electric energy meter test option and an electric energy meter 485 test option, and the local communication inspection module selects and confirms to complete the test according to the field condition;
the collector and the electric energy meter test module are provided with a reading debugging unit and a plurality of options, the options comprise an updated option with a 485 wiring error of the terminal, an option with a mismatched collector and a concentrator, all collector fault options under the terminal, a 485 interface fault of the terminal, a terminal replacement option and a reading debugging success option, and operation and maintenance personnel select the options according to the test condition;
the manual confirmation module is provided with a display unit for displaying the preorder inspection result, a manual problem recording unit for manually recording the problem, a terminal fault replacement terminal option and a difficult problem option, and the operation and maintenance personnel select the terminal fault replacement terminal option and the difficult problem option according to the preorder inspection result displayed by the display unit.
Has the advantages that: the technical scheme is sequentially processed according to the setting, so that the processing speed is effectively improved, misjudgment, missed judgment and repeated judgment are avoided, and the problem that no meter reading data exists for multiple days under a II-type concentrator is quickly and accurately eliminated through a standardized field fault defect eliminating flow.
Drawings
FIG. 1 is a flow chart of the present invention.
Detailed Description
The technical scheme of the invention is further explained in detail by combining the drawings in the specification.
The invention comprises a preparation step and a deletion step.
Wherein, the preparation step is as follows: summarizing fault reasons of no data of the electric meters under all the II-type concentrators; selecting an optimized absence working process of the electric meter under the II-type concentrator without data; summarizing fault processing methods for electric meters without data under all II-type concentrators; feeding back a processing result to a field defect eliminating system and storing the processing result;
when a fault is found, entering a fault field defect elimination processing flow, wherein general inspection, inspection terminal parameters and inspection local communication are respectively distributed through optimized sequential algorithm analysis according to historical fault information and the working habits of operation and maintenance personnel; the defect elimination step is shown in fig. 1, and comprises the following steps:
s201, information checking, namely checking whether field terminal information is consistent with work order information or not, including checking terminal asset numbers to prevent missing intervals or work places;
s202, general inspection is carried out, whether obvious faults exist in the RS485 is checked through visual inspection, data of a certain electric energy meter is thoroughly read through debugging equipment, and existence of the faults is verified;
s203, checking terminal parameters; checking whether the terminal clock is correct; whether the task is normal or not; whether the meter reading parameters are correct or not;
s204, local communication is checked; checking whether the 485 wiring of the terminal is correct, whether the RS485 module is normal and whether the communication between the terminal and the electric energy meter is matched;
s205, reading electric energy meter data; the method comprises the steps that the mobile equipment is used for thoroughly reading electric energy meter data through an acquisition terminal to verify whether a meter reading parameter and a downlink communication link are normal or not;
s206, manually confirming the fault; after a plurality of items are checked, the fault still cannot be determined, and the terminal needs to be replaced according to the processing of the terminal fault;
s207, a feedback system; and after debugging is finished, feeding back a fault phenomenon and a processing result, and providing the next processing link.
The type II concentrator field absences are shown in the following table:
the general inspection comprises RS485 wiring inspection and fault verification, wherein during RS485 wiring inspection, whether the terminal RS485 has obvious short circuit and open circuit or not is checked visually, and when the short circuit and open circuit occur, local communication is checked; and when the fault is verified, transparently reading data of a certain electric energy meter, and checking terminal parameters when the reading is successful.
The survey terminal parameters comprise a survey terminal clock, a survey electric energy meter clock, a survey terminal task and survey meter reading parameters;
checking whether the terminal clock is correct or not when checking the terminal clock, resetting the terminal time and recording when the terminal clock is wrong, performing transparent meter reading by using debugging equipment after resetting the terminal time, checking the terminal task when the transparent meter reading is successful, and performing other checks when the transparent meter reading is failed;
when the clock of the electric energy meter is checked, when the electric energy meter connected with the terminal is less, the clock of the electric energy meter needs to be checked, and if the clock is normal, the checking parameters are returned; when the time synchronization is normal, returning to the investigation parameters, and performing relay meter reading; if the time synchronization fails, the electric energy meter can not be synchronized due to the reason of the electric energy meter, and the electric energy meter is selected to be replaced according to the requirement;
when a terminal task is checked, whether the terminal has an acquisition task or not and whether the task is started or not are checked, if the terminal does not have the task, the task is issued again and started, and the task is recorded; if the task is not started, restarting the task or re-issuing the task and starting the task, and recording the operation; if the task is input or the task is failed to start, the terminal is replaced according to the processing of the terminal fault;
when checking meter reading parameters, checking whether the meter reading port number is consistent with the wiring terminal in the meter reading parameters, if the meter reading port number is inconsistent with the wiring terminal, resetting the parameters or correcting the wiring, ensuring that the parameters are consistent with the port, and the port has normal function, and recording; carrying out transparent reading by using debugging equipment through a terminal; and if the transparent copy is successful, checking whether the master station parameters are consistent with the set correct parameters, and verifying the master station. If the copy-through fails, local communication is required to be checked and processed.
Checking local communication, namely checking whether RS485 wiring is correct or not, checking whether a terminal RS485 port is normal or not, and checking whether the terminal is matched with the electric energy meter in communication;
when the RS485 connection is checked to be correct, a universal meter or detection equipment is used for checking whether an RS485 loop has open circuit, short circuit or reverse connection, when the RS485 loop is open circuit, short circuit or reverse connection, the connection is corrected, abnormity is recorded, and a certain electric energy meter is thoroughly copied;
when the RS485 port of the terminal is checked to be normal, the RS485 connection of the terminal is disconnected, detection equipment is used for testing whether the two RS485 ports are normal, and if the original RS485 port is normal, other checks are carried out; if the original RS485 port is in fault and the other RS485 port is normal, changing the connection to the other RS485 port, and changing the parameters of the measuring points to ensure that the port numbers in the parameters are consistent with the connected RS485 port; if the two RS485 ports are all in fault, processing according to the terminal fault, and initiating a terminal replacing process;
when checking that the communication of the terminal and the electric energy meter is matched, checking whether the following conditions exist: the communication between the terminal and one or more electric energy meters is normal, and the communication fails when the number of the electric energy meters is increased; if the abnormal condition exists, analyzing and recording the fault phenomenon, timely notifying acquisition technicians to communicate, determining to replace the terminal or the electric energy meter by the acquisition operation and maintenance personnel, and starting a process of replacing the terminal or the electric energy meter.
Distributing general inspection, inspection terminal parameters and inspection local communication according to historical fault information and working habits of operation and maintenance personnel through optimized sequential algorithm analysis;
the specific method comprises the following steps:
a) the probability coefficient D for the general examination is the following formula:
D＝C1D1+C3D3+C6D6+C∞D∞， (2)
wherein, the general checking, checking terminal parameter and checking local communication in the formula (1) are respectively Xi、Yi、ZiThe historical occurrence probability of the previous i months is expressed, and i ═ infinity represents that all historical data in the operation and maintenance system are collected;
l1 is a logical order weighting factor for general inspection, suggesting that L1 selects 10;
in the formula (2), DmRespectively selecting a set of general examination probabilities of 1 month, 3 months, 6 months and all histories in the system, wherein m is 1, m is 3, m is 6, and m is infinitymFor failure old and new constants, suggest C1Selection of 2, C3Selecting 1.5, C6Selection of 1, C∞Selecting 1.5;
b) the probability coefficient E of the survey terminal parameter is the following formula:
E＝C1E1+C3E3+C6E6+C∞E∞， (4)
wherein, general checking, checking terminal parameter, checking local communication in formula (3) are respectivelyWith Xi、Yi、ZiThe historical occurrence probability of the previous i months is expressed, and i ═ infinity represents that all historical data in the operation and maintenance system are collected;
l2 is a logic sequence weighting factor of the survey terminal parameters, and L2 is recommended to select 5;
in the formula (4), EmRespectively selecting a set of probabilities of terminal parameters of 1 month, 3 months, 6 months and all historical queries in the system, and CmFor failure old and new constants, suggest C1Selection of 2, C3Selecting 1.5, C6Selection of 1, C∞Selecting 1.5;
c) the probability coefficient F of local communication is found as the following formula:
F＝C1F1+C3F3+C6F6+C∞F∞， (6)
wherein, the general checking, checking terminal parameter and checking local communication in the formula (5) are respectively represented by Xi、Yi、ZiThe historical occurrence probability of the previous i months is expressed, and i ═ infinity represents that all historical data in the operation and maintenance system are collected;
l3 is a logical sequence weighting factor for local communication at the survey, suggesting L3 choose 5;
in the formula (6), FmRespectively selecting a set of local communication probabilities of 1 month, 3 months, 6 months and all historical searches in the system, and CmFor failure old and new constants, suggest C1Selection of 2, C3Selecting 1.5, C6Selection of 1, C∞1.5 was chosen.
d) According to the D, E, F results obtained in the steps 1, 2 and 3, the largest one is selected as the first order, the second largest one is selected as the second order, and the third largest one is selected as the third order.
And 2) sequentially processing the information checking, general inspection, inspection of terminal parameters, inspection of local communication, transmission and reading of electric energy meter data and manual confirmation of faults in the step 2), and entering the next step after the processing is finished.
In order to facilitate field operation, operation and maintenance personnel guide field defect elimination work through a palm machine, and the palm machine is provided with a plurality of modules, wherein the modules comprise an information checking module, a processing option module, a general inspection module, a terminal parameter inspection module, a meter reading parameter inspection module, a local communication inspection module, a collector, an electric energy meter testing module and a manual confirmation module;
in the information checking module, recording a terminal name, a terminal bar code and an operation instruction, and checking terminal information; after the terminal information is checked, entering a processing option module;
processing options are displayed in the processing option module, can be sequentially operated in sequence and can also be selected as required, and the processing options which are completed and unfinished are displayed in the processing option module in a distinguishing way, wherein the processing options comprise infrared relay meter reading, general inspection, terminal parameter inspection, local communication inspection and manual confirmation;
in a general inspection module, a transparent reading electric energy meter option and a 485 wiring problem option are displayed and selected according to the actual situation, so that the convenience of operation is improved, and the calculation, analysis and processing of problems are facilitated;
the terminal parameter checking module is provided with a plurality of options, including terminal clock checking, terminal task checking and meter reading parameter checking, corresponding options are selected according to field conditions, the input of the terminal clock checking, the terminal task checking and the meter reading parameter checking is realized, the field conditions of whether the terminal clock is correct, whether the task is normal and whether the meter reading parameter is correct are recorded, and the analysis and the processing are convenient;
the meter reading parameter checking module is provided with a master station meter reading port number entry window, a meter reading port number reading window, a meter reading port number setting window and 485 port wiring error and wiring corrected options; the meter reading parameters and the downlink communication link are conveniently verified, and the problem is conveniently processed and solved;
the local communication inspection module is provided with a collector and electric energy meter test option and an electric energy meter 485 test option, and the local communication inspection module selects and confirms to complete the test according to the field condition;
the collector and the electric energy meter test module are provided with a reading debugging unit and a plurality of options, the options comprise an updated option with a 485 wiring error of the terminal, an option with a mismatched collector and a concentrator, all collector fault options under the terminal, a 485 interface fault of the terminal, a terminal replacement option and a reading debugging success option, and operation and maintenance personnel select the options according to the test condition;
the manual confirmation module is provided with a display unit for displaying the preorder inspection result, a manual problem recording unit for manually recording the problem, a terminal fault replacement terminal option and a difficult problem option, and the operation and maintenance personnel select the terminal fault replacement terminal option and the difficult problem option according to the preorder inspection result displayed by the display unit.
The method for eliminating the field defect of the electric meter without data failure under the type ii concentrator shown in fig. 1 is a specific embodiment of the present invention, has embodied the substantial features and the progress of the present invention, and can be modified equivalently in the aspects of shape, structure and the like according to the practical use requirements and under the teaching of the present invention, which is within the protection scope of the present solution.
Claims (6)
1. A field defect eliminating method for an electric meter without data failure under a II-type concentrator is characterized by comprising the following steps:
1) the preparation method comprises the following steps: summarizing fault reasons of no data of the electric meters under all the II-type concentrators; selecting an optimized absence working process of the electric meter under the II-type concentrator without data; summarizing fault processing methods for electric meters without data under all II-type concentrators; feeding back a processing result to a field defect eliminating system and storing the processing result;
2) eliminating the defect: when a fault is found, entering a fault field defect elimination processing flow, wherein general inspection, inspection terminal parameters and inspection local communication are respectively distributed through optimized sequential algorithm analysis according to historical fault information and the working habits of operation and maintenance personnel;
201) information checking, namely checking whether the field terminal information is consistent with the work order information, including checking the terminal asset number to prevent a wrong interval or a working place;
202) general inspection, visually inspecting whether an RS485 has an obvious fault, thoroughly reading data of a certain electric energy meter by using debugging equipment, and verifying the existence of the fault;
203) checking and processing terminal parameters; checking whether the terminal clock is correct; whether the task is normal or not; whether the meter reading parameters are correct or not;
204) local communication is checked; checking whether the 485 wiring of the terminal is correct, whether the RS485 module is normal and whether the communication between the terminal and the electric energy meter is matched;
205) reading the data of the electric energy meter; the method comprises the steps that the mobile equipment is used for thoroughly reading electric energy meter data through an acquisition terminal to verify whether a meter reading parameter and a downlink communication link are normal or not;
206) manually confirming the fault; after a plurality of items are checked, the fault still cannot be determined, and the terminal needs to be replaced according to the processing of the terminal fault;
207) a feedback system; after debugging is finished, feeding back a fault phenomenon and a processing result, and putting forward a next processing link;
wherein, general inspection, inspection terminal parameters and inspection local communication are respectively distributed according to historical fault information and working habits of operation and maintenance personnel through analysis of an optimized sequential algorithm;
the method comprises the following specific steps:
a) the probability coefficient D for the general examination is the following formula:
D＝C1D1+C3D3+C6D6+C∞D∞， (2)
wherein, the general checking, checking terminal parameter and checking local communication in the formula (1) are respectively Xi、Yi、ZiThe historical occurrence probability of the previous i months is expressed, and i ═ infinity represents that all historical data in the operation and maintenance system are collected;
l1 is a logical order weighting factor for general inspection, L1 selects 10;
in the formula (2), DmRespectively selecting a set of general examination probabilities of 1 month, 3 months, 6 months and all histories in the system, wherein m is 1, m is 3, m is 6, and m is infinitymAs new and old constants of failure, C1Selection of 2, C3Selecting 1.5, C6Selection of 1, C∞Selecting 1.5;
b) the probability coefficient E of the survey terminal parameter is the following formula:
E＝C1E1+C3E3+C6E6+C∞E∞， (4)
wherein, the general checking, checking terminal parameter and checking local communication in the formula (3) are respectively represented by Xi、Yi、ZiThe historical occurrence probability of the previous i months is expressed, and i ═ infinity represents that all historical data in the operation and maintenance system are collected;
l2 is a logic sequence weighting factor of the survey terminal parameters, and L2 selects 5;
in the formula (4), EmRespectively selecting a set of probabilities of terminal parameters of 1 month, 3 months, 6 months and all historical queries in the system, and CmAs new and old constants of failure, C1Selection of 2, C3Selecting 1.5, C6Selection of 1, C∞Selecting 1.5;
c) the probability coefficient F of local communication is found as the following formula:
F＝C1F1+C3F3+C6F6+C∞F∞， (6)
wherein, general checking, checking terminal parameter, checking local communication in formula (5) are respectivelyWith Xi、Yi、ZiThe historical occurrence probability of the previous i months is expressed, and i ═ infinity represents that all historical data in the operation and maintenance system are collected;
l3 is logic sequence weighting factor of local communication at the survey, L3 selects 5;
in the formula (6), FmRespectively selecting a set of local communication probabilities of 1 month, 3 months, 6 months and all historical searches in the system, and CmAs new and old constants of failure, C1Selection of 2, C3Selecting 1.5, C6Selection of 1, C∞Selecting 1.5;
d) according to D, E, F results obtained from the steps a), b) and c), the largest one is selected as the first order, the second largest one is selected as the second order, and the third largest one is selected as the third order.
2. The field defect eliminating method for the electric meter under the II-type concentrator without data faults is characterized by comprising the following steps of: the general inspection comprises RS485 wiring inspection and fault verification, wherein during RS485 wiring inspection, whether the RS485 terminal has obvious short circuit and open circuit phenomena is visually inspected, and when the short circuit and the open circuit phenomena exist, local communication inspection is carried out; and when the fault is verified, transparently reading data of a certain electric energy meter, and checking terminal parameters when the reading is successful.
3. The field defect eliminating method for the electric meter under the II-type concentrator without data faults is characterized by comprising the following steps of: the survey terminal parameters comprise a survey terminal clock, a survey electric energy meter clock, a survey terminal task and survey meter reading parameters;
checking whether the terminal clock is correct or not when checking the terminal clock, resetting the terminal time and recording when the terminal clock is wrong, performing transparent meter reading by using debugging equipment after resetting the terminal time, checking the terminal task when the transparent meter reading is successful, and performing other checks when the transparent meter reading is failed;
when the clock of the electric energy meter is checked, when the electric energy meter connected with the terminal is less, the clock of the electric energy meter needs to be checked, and if the clock is normal, the checking parameters are returned; when the time synchronization is normal, returning to the investigation parameters, and performing relay meter reading; if the time synchronization fails, the electric energy meter can not be synchronized due to the reason of the electric energy meter, and the electric energy meter is selected to be replaced according to the requirement;
when a terminal task is checked, whether the terminal has an acquisition task or not and whether the task is started or not are checked, if the terminal does not have the task, the task is issued again and started, and the task is recorded; if the task is not started, restarting the task or re-issuing the task and starting the task, and recording the operation; if the task is input or the task is failed to start, the terminal is replaced according to the processing of the terminal fault;
when checking meter reading parameters, checking whether the meter reading port number is consistent with the wiring terminal in the meter reading parameters, if the meter reading port number is inconsistent with the wiring terminal, resetting the parameters or correcting the wiring, ensuring that the parameters are consistent with the port, and the port has normal function, and recording; carrying out transparent reading by using debugging equipment through a terminal; if the transparent copy is successful, checking whether the parameters of the master station are consistent with the set correct parameters, and verifying the master station; if the copy-through fails, local communication is required to be checked and processed.
4. The field defect eliminating method for the electric meter under the II-type concentrator without data faults is characterized by comprising the following steps of: checking local communication, namely checking whether RS485 wiring is correct or not, checking whether a terminal RS485 port is normal or not, and checking whether the terminal is matched with the electric energy meter in communication;
when the RS485 connection is checked to be correct, a universal meter or detection equipment is used for checking whether an RS485 loop has open circuit, short circuit or reverse connection, when the RS485 loop is open circuit, short circuit or reverse connection, the connection is corrected, abnormity is recorded, and a certain electric energy meter is thoroughly copied;
when the RS485 port of the terminal is checked to be normal, the RS485 connection of the terminal is disconnected, detection equipment is used for testing whether the two RS485 ports are normal, and if the original RS485 port is normal, other checks are carried out; if the original RS485 port is in fault and the other RS485 port is normal, changing the connection to the other RS485 port, and changing the parameters of the measuring points to ensure that the port numbers in the parameters are consistent with the connected RS485 port; if the two RS485 ports are all in fault, processing according to the terminal fault, and initiating a terminal replacing process;
when checking that the communication of the terminal and the electric energy meter is matched, checking whether the following conditions exist: the communication between the terminal and one or more electric energy meters is normal, and the communication fails when the number of the electric energy meters is increased; if the abnormal condition exists, analyzing and recording the fault phenomenon, timely notifying acquisition technicians to communicate, determining to replace the terminal or the electric energy meter by the acquisition operation and maintenance personnel, and starting a process of replacing the terminal or the electric energy meter.
5. The field defect eliminating method for the electric meter under the II-type concentrator without data faults is characterized by comprising the following steps of: and 2) sequentially processing the information checking, general inspection, inspection of terminal parameters, inspection of local communication, transmission and reading of electric energy meter data and manual confirmation of faults in the step 2), and entering the next step after the processing is finished.
6. The field defect eliminating method for the electric meter under the II-type concentrator without data faults is characterized by comprising the following steps of: operation and maintenance personnel guide on-site defect elimination work through a palm computer, and the palm computer is provided with a plurality of modules, including an information checking module, a processing option module, a general inspection module, a terminal parameter inspection module, a meter reading parameter inspection module, a local communication inspection module, a collector, an electric energy meter testing module and a manual confirmation module;
in the information checking module, recording a terminal name, a terminal bar code and an operation instruction, and checking terminal information; after the terminal information is checked, entering a processing option module;
processing options are displayed in the processing option module, can be sequentially operated in sequence and can also be selected as required, and the processing options which are completed and unfinished are displayed in the processing option module in a distinguishing way, wherein the processing options comprise infrared relay meter reading, general inspection, terminal parameter inspection, local communication inspection and manual confirmation;
in a general inspection module, a transparent reading electric energy meter option and a 485 wiring problem option are displayed and selected according to the actual situation, so that the convenience of operation is improved, and the calculation, analysis and processing of problems are facilitated;
the terminal parameter checking module is provided with a plurality of options, including terminal clock checking, terminal task checking and meter reading parameter checking, corresponding options are selected according to field conditions, the input of the terminal clock checking, the terminal task checking and the meter reading parameter checking is realized, the field conditions of whether the terminal clock is correct, whether the task is normal and whether the meter reading parameter is correct are recorded, and the analysis and the processing are convenient;
the meter reading parameter checking module is provided with a master station meter reading port number entry window, a meter reading port number reading window, a meter reading port number setting window and 485 port wiring error and wiring corrected options; the meter reading parameters and the downlink communication link are conveniently verified, and the problem is conveniently processed and solved;
the local communication inspection module is provided with a collector and electric energy meter test option and an electric energy meter 485 test option, and the local communication inspection module selects and confirms to complete the test according to the field condition;
the collector and the electric energy meter test module are provided with a reading debugging unit and a plurality of options, the options comprise an updated option with a 485 wiring error of the terminal, an option with a mismatched collector and a concentrator, all collector fault options under the terminal, a 485 interface fault of the terminal, a terminal replacement option and a reading debugging success option, and operation and maintenance personnel select the options according to the test condition;
the manual confirmation module is provided with a display unit for displaying the preorder inspection result, a manual problem recording unit for manually recording the problem, a terminal fault replacement terminal option and a difficult problem option, and the operation and maintenance personnel select the terminal fault replacement terminal option and the difficult problem option according to the preorder inspection result displayed by the display unit.
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