CN112462591A - Object-oriented communication protocol-based time synchronization method for electricity utilization acquisition terminal - Google Patents
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Abstract
The invention discloses a time synchronization method for a power consumption acquisition terminal based on an object-oriented communication protocol, which specifically comprises the following steps: s1, the concentrator sends an acquisition instruction to an electric energy meter to be meter-read, S2, time T2 of an electric energy meter clock is recorded, S3, the difference between the time T2 of the electric energy meter clock and the sending time T1 is calculated, S4, if the difference between T1 and T2 is within the range of +/-10S, electric energy reading W1 when the electric energy meter reads time T2 is directly obtained, S5, if the difference between T1 and T2 is not within the range of +/-10S, electric energy reading W2 when the electric energy meter reads time T2 is firstly obtained, S6, if the difference is smaller than 1/3 of the electric energy value read in the previous time, and a repair system is uploaded. The time synchronization method of the power consumption acquisition terminal based on the object-oriented communication protocol can realize simple, convenient and flexible operation through the object-oriented communication protocol, is easy to modify module parameters on line, has simple steps, is simple and convenient, is high-efficiency, and is greatly convenient for people to acquire power consumption.
Description
Technical Field
The invention relates to the technical field of power consumption information acquisition, in particular to a time synchronization method for a power consumption acquisition terminal based on an object-oriented communication protocol.
Background
The user electricity consumption information acquisition system realizes electricity consumption monitoring, stepped pricing, load management and line loss analysis by acquiring and analyzing electricity consumption data of a distribution transformer and a terminal user, and finally achieves the purposes of automatic meter reading, off-peak electricity consumption, electricity consumption inspection (electricity stealing prevention), load prediction and electricity consumption cost saving, a system master station, a transmission channel, acquisition equipment and an electronic electric energy meter are required to be built for establishing a comprehensive user electricity consumption information acquisition system, the electricity consumption information acquisition coverage rate of a national grid company is 100 percent, and the electricity consumption information acquisition system of an electric power user is a system for acquiring, processing and monitoring the electricity consumption information of the electric power user in real time, the functions of automatic acquisition of power utilization information, abnormal metering monitoring, power quality monitoring, power utilization analysis and management, related information publishing, distributed energy monitoring, information interaction of intelligent power utilization equipment and the like are achieved.
In the electricity consumption information acquisition system, although a calendar clock of a concentrator is not directly related to electric energy metering, if the calendar clock is abnormal, a timing task depending on the calendar clock may not be executed or an error is executed, for example, a meter reading time is reached, a meter reading task is not executed, and the system cannot obtain data at a specified time; for another example, when the date is wrong, the current data is recorded in another date, which causes the disorder of the whole recorded data, so that the time synchronization check needs to be performed, referring to a calendar clock abnormity self-recovery method of an electric energy meter concentrator with Chinese patent publication No. CN109088691B, the self clock of the concentrator is recovered by adopting a calendar clock mechanism for reading the electric energy meter, the clock can be recovered in time when the clock is abnormal, a master station does not need to wait for issuing a time calibration instruction, and the cost is not increased; the method of comparing the clocks of a plurality of electric energy meters and then taking the median can eliminate the possible abnormal conditions of the calendar clocks of the electric energy meters, thereby ensuring the reliability of the recovered calendar clocks
However, the method of the patent reference has many and complicated steps, cannot realize simple, convenient and flexible operation through an object-oriented communication protocol, is not easy to modify module parameters on line, and is not simple, convenient and efficient.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a time synchronization method for a power consumption acquisition terminal based on an object-oriented communication protocol, and solves the problems that the existing time synchronization method for the power consumption acquisition terminal has various and complicated steps, can not realize simple, convenient and flexible operation through the object-oriented communication protocol, is not easy to modify module parameters on line, is not concise and convenient, and is not efficient.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: a time synchronization method for a power consumption acquisition terminal based on an object-oriented communication protocol specifically comprises the following steps:
s1, the concentrator sends an acquisition instruction to the electric energy meter to be read, and the sending time is recorded as T1Sending a reading real-time instruction, and waiting for data to return;
s2, recording the time T of the electric energy meter clock after the concentrator receives the complete electric energy meter calendar clock2；
S3, the data comparison module in the concentrator is used for comparing the clock time T of the electric meter2And a transmission time T1Calculating the difference and recording T1-T2And judging whether the difference value is within the range of +/-10S;
s4, if T1-T2If the difference is within the range of +/-10S, the reading time T of the electric energy meter is directly obtained2Reading of time electric energy W1，W1Namely, the meter reading is obtained;
s5, if T1-T2If the difference is not within the range of +/-10S, firstly obtaining the electric energy reading W when the electric energy meter reads the time T22Reconnecting the data source, connecting W2Electric energy value W read from previous reading time stamp0Performing difference calculation;
s6, if the difference value is less than 1/3 of the electric energy value of the previous meter reading, the electric energy meter is indicated to have an electric energy reading fault, the electric energy meter is uploaded to a repair reporting system, and electric power maintenance personnel are arranged to carry out troubleshooting and repair;
s7, if the difference value is more than or equal to 1/3 of the electric energy value of the previous meter reading, the electric energy meter is indicated to have a clock fault, and W is used for indicating that the electric energy meter has the clock fault2And the electric energy meter reading is the timestamp, and the electric energy meter clock is subjected to remote verification processing.
Preferably, in the steps S1 and S2, the concentrator is connected to the meter reading background server control terminal, and is in wireless signal connection or direct electrical signal connection with the plurality of electric energy meters through the wireless transceiver module.
Preferably, in the step S3, the data comparison module is electrically connected to a control module inside the concentrator, and is configured to compare and analyze the collected data.
Preferably, the method for performing remote verification processing on the clock of the electric energy meter in step S7 specifically includes the following steps:
e1, firstly, connecting the clock of the electric energy meter with a clock time service unit on a network bus;
e2, clearing the timing data on the electric energy meter clock and restarting the electric energy meter clock;
e2, and then the network clock time service unit of the step E1 carries out time service on the restarted electric energy meter clock.
Preferably, when the data acquisition and time synchronization of the electric energy meter are carried out, the data acquisition and time synchronization of the electric energy meters in different areas and types can be carried out through the network bus.
Preferably, task scanning is performed on different electric energy meters, if a task to be executed in the period exists, the task is restarted and executed, and then the concentrator resumes to start normal operation.
In a second aspect, the present invention further provides an electronic device, which includes a memory and a processor, where the memory stores a computer program operable on the processor, and the processor implements the steps of the time synchronization method for the electricity consumption collection terminal based on the object-oriented communication protocol when executing the computer program.
In a third aspect, the present invention also provides a computer readable storage medium having stored thereon machine executable instructions which, when invoked and executed by a processor, cause the processor to execute a power consumption collection terminal time-pairing method based on an object-oriented communication protocol.
(III) advantageous effects
The invention provides a time synchronization method for a power consumption acquisition terminal based on an object-oriented communication protocol. Compared with the prior art, the method has the following beneficial effects: the time synchronization method for the power consumption acquisition terminal based on the object-oriented communication protocol specifically comprises the following steps: s1, the concentrator sends an acquisition instruction to the electric energy meter to be read, the sending time is recorded as T1, a reading real-time instruction is sent, and data return is waited; s2, recording the time T2 of the electric energy meter clock after the concentrator receives the complete electric energy meter calendar clock; s3, the difference between the electric meter clock time T2 and the sending time T1 is calculated through a data comparison module in the concentrator, T1-T2 is recorded, and whether the difference is within the range of +/-10S or not is judged; s4, if the difference value between T1 and T2 is within a range of +/-10S, directly obtaining an electric energy reading W1 when the electric energy meter reads time T2, wherein W1 is the meter reading; s5, if the difference value of the T1-T2 is not within the range of +/-10S, firstly obtaining the electric energy reading W2 when the electric energy meter reads time T2, then connecting a data source, and carrying out difference calculation on W2 and the electric energy value W0 read by the previous reading time stamp; s6, if the difference value is less than 1/3 of the electric energy value of the previous meter reading, the electric energy meter is indicated to have an electric energy reading fault, the electric energy meter is uploaded to a repair reporting system, and electric power maintenance personnel are arranged to carry out troubleshooting and repair; s7, if the difference value is larger than or equal to 1/3 of the previous meter reading electric energy value, the electric energy meter is indicated to have a clock fault, the electric energy meter reading is stamped by taking W2 as the time stamp, the electric energy meter clock is remotely checked, simple, convenient and flexible operation can be realized through an object-oriented communication protocol, the module parameters are easily modified on line, the steps are simple, concise and convenient, and the efficiency is high, so that the electricity collection of people is greatly facilitated.
Accordingly, the electronic device and the computer-readable storage medium provided by the embodiments of the present invention also have the above technical effects.
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Fig. 1 is a block diagram of the working principle of the present invention.
Detailed Description
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 only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, an embodiment of the present invention provides a technical solution: a time synchronization method for a power consumption acquisition terminal based on an object-oriented communication protocol specifically comprises the following steps:
s1, the concentrator sends an acquisition instruction to the electric energy meter to be read, and the sending time is recorded as T1Sending a reading real-time instruction, and waiting for data to return;
s2, recording the time T of the electric energy meter clock after the concentrator receives the complete electric energy meter calendar clock2；
S3, the data comparison module in the concentrator is used for comparing the clock time T of the electric meter2And a transmission time T1Calculating the difference and recording T1-T2And judging whether the difference value is within the range of +/-10S;
s4, if T1-T2If the difference is within the range of +/-10S, the reading time T of the electric energy meter is directly obtained2Reading of time electric energy W1，W1Namely, the meter reading is obtained;
s5, if T1-T2If the difference is not within the range of +/-10S, firstly obtaining the electric energy reading W when the electric energy meter reads the time T22Reconnecting the data source, connecting W2Electric energy value W read from previous reading time stamp0Performing difference calculation;
s6, if the difference value is less than 1/3 of the electric energy value of the previous meter reading, the electric energy meter is indicated to have an electric energy reading fault, the electric energy meter is uploaded to a repair reporting system, and electric power maintenance personnel are arranged to carry out troubleshooting and repair;
s7, if the difference value is more than or equal to 1/3 of the electric energy value of the previous meter reading, the electric energy is representedClock failure of energy meter by W2And the electric energy meter reading is the timestamp, and the electric energy meter clock is subjected to remote verification processing.
The invention can realize simple, convenient and flexible operation through the object-oriented communication protocol, is easy to modify the module parameters on line, has simple, concise and convenient steps and high efficiency, thereby greatly facilitating the electricity collection of people.
In the embodiment of the invention, in the steps S1 and S2, the concentrator is connected to the meter reading background server control terminal, and is in wireless signal connection or direct electrical signal connection with the plurality of electric energy meters through the wireless transceiver module.
In the embodiment of the present invention, the data comparison module in step S3 is electrically connected to the control module inside the concentrator, and is configured to compare and analyze the collected data.
In the embodiment of the present invention, the method for performing remote verification processing on the clock of the electric energy meter in step S7 specifically includes the following steps:
e1, firstly, connecting the clock of the electric energy meter with a clock time service unit on a network bus;
e2, clearing the timing data on the electric energy meter clock and restarting the electric energy meter clock;
e2, and then the network clock time service unit of the step E1 carries out time service on the restarted electric energy meter clock.
In the embodiment of the invention, during the data acquisition and time synchronization of the electric energy meter, the data acquisition and time synchronization of the electric energy meters in different areas and types can be carried out through the network bus.
In the embodiment of the invention, task scanning is carried out on different electric energy meters, if the task to be executed in the period exists, the task is restarted and executed, and then the concentrator is recovered to start normal operation.
The embodiment of the invention also provides electronic equipment which comprises a memory and a processor, wherein the memory stores a computer program capable of running on the processor, and the processor executes the computer program and realizes the step of the time setting method of the electricity utilization acquisition terminal based on the object-oriented communication protocol.
The embodiment of the invention also provides a computer-readable storage medium, wherein the computer-readable storage medium stores machine executable instructions, and when the computer executable instructions are called and executed by a processor, the computer executable instructions cause the processor to execute a power consumption acquisition terminal time setting method based on an object-oriented communication protocol.
The apparatus provided by the embodiment of the present invention may be specific hardware on the device, or software or firmware installed on the device, etc. The device provided by the embodiment of the present invention has the same implementation principle and technical effect as the method embodiments, and for the sake of brief description, reference may be made to the corresponding contents in the method embodiments without reference to the device embodiments. It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the foregoing systems, apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the embodiments provided in the present invention, it should be understood that the disclosed apparatus and method can be implemented in other ways. The apparatus embodiments described above are merely illustrative, and for example, the flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of apparatus, methods and computer program products according to various embodiments of the present invention. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
For another example, a division of elements into only one logical division may be implemented in a different manner, and multiple elements or components may be combined or integrated into another system, or some features may be omitted, or not implemented. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection of devices or units through some communication interfaces, and may be in an electrical, mechanical or other form.
Units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments provided by the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit.
The functions, if implemented in the form of software functional units and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: various media capable of storing program codes, such as a usb disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk.
And those not described in detail in this specification are well within the skill of those in the art.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A time synchronization method for a power consumption acquisition terminal based on an object-oriented communication protocol is characterized in that: the method specifically comprises the following steps:
s1, the concentrator sends an acquisition instruction to the electric energy meter to be read, and the sending time is recorded as T1Sending a reading real-time instruction, and waiting for data to return;
s2, recording the time T of the electric energy meter clock after the concentrator receives the complete electric energy meter calendar clock2；
S3, the data comparison module in the concentrator is used for comparing the clock time T of the electric meter2And a transmission time T1Calculating the difference and recording T1-T2And judging whether the difference value is within the range of +/-10S;
s4, if T1-T2If the difference is within the range of +/-10S, the reading time T of the electric energy meter is directly obtained2Reading of time electric energy W1，W1Namely the rice is copiedReading the meter;
s5, if T1-T2If the difference is not within the range of +/-10S, firstly obtaining the electric energy reading W when the electric energy meter reads the time T22Reconnecting the data source, connecting W2Electric energy value W read from previous reading time stamp0Performing difference calculation;
s6, if the difference value is less than 1/3 of the electric energy value of the previous meter reading, the electric energy meter is indicated to have an electric energy reading fault, the electric energy meter is uploaded to a repair reporting system, and electric power maintenance personnel are arranged to carry out troubleshooting and repair;
s7, if the difference value is more than or equal to 1/3 of the electric energy value of the previous meter reading, the electric energy meter is indicated to have a clock fault, and W is used for indicating that the electric energy meter has the clock fault2And the electric energy meter reading is the timestamp, and the electric energy meter clock is subjected to remote verification processing.
2. The method for time synchronization of the power consumption collection terminal based on the object-oriented communication protocol according to claim 1, characterized in that: in the step S1 and the step S2, the concentrator is connected to the meter reading background server control terminal, and is in wireless signal connection or direct electrical signal connection with the plurality of electric energy meters through the wireless transceiver module.
3. The method for time synchronization of the power consumption collection terminal based on the object-oriented communication protocol according to claim 1, characterized in that: the data comparison module in step S3 is electrically connected to the control module inside the concentrator, and is used for performing comparative analysis on the collected data.
4. The method for time synchronization of the power consumption collection terminal based on the object-oriented communication protocol according to claim 1, characterized in that: the method for remotely verifying the clock of the electric energy meter in the step S7 specifically includes the following steps:
e1, firstly, connecting the clock of the electric energy meter with a clock time service unit on a network bus;
e2, clearing the timing data on the electric energy meter clock and restarting the electric energy meter clock;
e2, and then the network clock time service unit of the step E1 carries out time service on the restarted electric energy meter clock.
5. The method for time synchronization of the power consumption collection terminal based on the object-oriented communication protocol according to claim 1, characterized in that: when the data acquisition and time synchronization of the electric energy meter are carried out, the data acquisition and time synchronization of the electric energy meters in different areas and types can be carried out through the network bus.
6. The method for time synchronization of the power consumption collection terminal based on the object-oriented communication protocol according to claim 1, characterized in that: and scanning tasks of different electric energy meters, restarting and executing the tasks if the tasks to be executed in the period exist, and then recovering the concentrator to start normal operation.
7. An electronic device comprising a memory and a processor, wherein the memory stores a computer program operable on the processor, and wherein the processor implements the steps of the method of any of claims 1 to 6 when executing the computer program.
8. A computer readable storage medium having stored thereon machine executable instructions which, when invoked and executed by a processor, cause the processor to execute the method of any of claims 1 to 6.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114928624A (en) * | 2022-03-16 | 2022-08-19 | 国网河北省电力有限公司营销服务中心 | Electricity consumption information acquisition protocol extension method and device, storage medium and terminal |
| CN115497276A (en) * | 2022-09-20 | 2022-12-20 | 河南丰博智能水联网有限公司 | Multi-user Internet of things water meter system |
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