CN110677211A - Time synchronization method and device and power acquisition terminal - Google Patents
Time synchronization method and device and power acquisition terminal Download PDFInfo
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- CN110677211A CN110677211A CN201910923263.2A CN201910923263A CN110677211A CN 110677211 A CN110677211 A CN 110677211A CN 201910923263 A CN201910923263 A CN 201910923263A CN 110677211 A CN110677211 A CN 110677211A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/02—Details
- H04J3/06—Synchronising arrangements
- H04J3/0635—Clock or time synchronisation in a network
- H04J3/0638—Clock or time synchronisation among nodes; Internode synchronisation
- H04J3/0658—Clock or time synchronisation among packet nodes
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/14—Session management
- H04L67/141—Setup of application sessions
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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
- H04Q9/04—Arrangements for synchronous operation
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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
Abstract
The embodiment of the invention provides a time synchronization method, a time synchronization device and an electric power acquisition terminal, and relates to the field of electric power acquisition terminals, wherein the method comprises the following steps: electrically connecting the power acquisition terminal with an intelligent terminal, and judging whether the intelligent terminal has a time synchronization file; the time setting file is used for providing reference time; if so, acquiring the time of the intelligent terminal, and storing the time of the intelligent terminal into a time setting file; calculating the difference value between the reference time and the time of the power acquisition terminal; and correcting the time of the power acquisition terminal according to the difference. Through the mode of adding the time tick file at the intelligent terminal, the time of the intelligent terminal is synchronized to the electric power acquisition terminal, so that the time of the electric power intelligent terminal is more accurate, the time tick is more convenient, and the success rate of meter reading is ensured.
Description
Technical Field
The invention relates to the field of power acquisition terminals, in particular to a time synchronization method and device and a power acquisition terminal.
Background
The development of the electric intelligent terminal industry in China is mature, a large number of electric intelligent terminals are used accumulatively by national grids, the demand of the electric intelligent terminals per year is continuously increased, the number of the current operating electric intelligent terminals reaches more than 100 thousands, and the market acceleration of the electric intelligent terminals is kept about 15% in the future.
At present, the electric power intelligent terminal in the market mainly depends on local personnel to manually issue a time setting command, the operation not only needs manpower, but also causes a certain error between the electric power intelligent terminal and a master station due to uplink and downlink communication delay. In addition, the electric intelligent terminal only has a broadcast time correction method for ammeter time correction at present, the failure rate of broadcast time correction is high, and the day freezing reading failure is possibly caused when the time difference between the electric intelligent terminal and the ammeter is large, so that the success rate of meter reading is influenced.
Based on the above problems, a time synchronization method capable of ensuring accurate time of the electric power intelligent terminal is needed.
Disclosure of Invention
In view of this, the present invention provides a time synchronization method, a time synchronization device and a power acquisition terminal.
In order to achieve the above purpose, the embodiment of the present invention adopts the following technical solutions:
in a first aspect, an embodiment of the present invention provides a time synchronization method, which is applied to an electric power acquisition terminal, where the electric power acquisition terminal is electrically connected to an intelligent terminal, and the method includes:
judging whether a time setting file exists in the intelligent terminal; the time setting file is used for providing reference time;
if so, acquiring the time of the intelligent terminal, and storing the time of the intelligent terminal into the time setting file;
calculating the difference value between the reference time and the time of the power acquisition terminal;
and correcting the time of the power acquisition terminal according to the difference value.
In an optional embodiment, the calculating a difference between the reference time and the time of the power collection terminal includes:
acquiring the reference time of preset times and the time of the power acquisition terminal at the corresponding moment;
calculating a first difference value between each reference time and the time of the power acquisition terminal at the corresponding moment;
and calculating the average value of all the first difference values to obtain the difference value.
In an optional implementation manner, the correcting the time of the power collection terminal according to the difference value includes:
and converting the difference value into a hexadecimal numerical value, and correcting the time of the power acquisition terminal according to the hexadecimal numerical value.
In an optional implementation manner, before the determining whether the time tick file exists in the intelligent terminal, the method includes:
and adding the time tick file to the intelligent terminal.
In an optional implementation manner, the acquiring the time of the intelligent terminal includes:
and searching the time of the intelligent terminal through the setting function of the intelligent terminal.
In a second aspect, an embodiment of the present invention provides a time synchronization device, which is applied to an electric meter communication module and applied to an electric power acquisition terminal, where the electric power acquisition terminal is electrically connected to an intelligent terminal, and the time synchronization device includes:
the judging module is used for judging whether the intelligent terminal has a time setting file or not; the time setting file is used for providing reference time;
the acquisition module is used for acquiring the time of the intelligent terminal when the time setting file exists in the intelligent terminal and storing the time of the intelligent terminal into the time setting file;
the processing module is used for calculating the difference value between the reference time and the time of the power acquisition terminal; and the time of the power acquisition terminal is corrected according to the difference value.
In an optional embodiment, the obtaining module is further configured to obtain the reference time of a predetermined number of times and a time of the power acquisition terminal at a corresponding time;
the processing module is further used for calculating a first difference value between each reference time and the time of the power acquisition terminal at the corresponding moment; and also for calculating an average of all of said first differences to obtain said difference.
In an optional implementation manner, the processing module is further configured to convert the difference into a hexadecimal numerical value, and correct the time of the power acquisition terminal according to the hexadecimal numerical value;
and the time setting file is also used for adding the time setting file to the intelligent terminal.
In an optional embodiment, the obtaining module is further configured to find the time of the intelligent terminal through a setting function of the intelligent terminal.
In a third aspect, an embodiment of the present invention provides an electric power collection terminal, including a processor and a memory, where the memory stores machine executable instructions capable of being executed by the processor, and the processor can execute the machine executable instructions to implement the time synchronization method described in any one of the foregoing embodiments.
According to the time synchronization method, the time synchronization device and the power acquisition terminal provided by the embodiment of the invention, the power acquisition terminal is electrically connected with an intelligent terminal, and whether a time synchronization file exists in the intelligent terminal is judged; the time setting file is used for providing reference time; if so, acquiring the time of the intelligent terminal, and storing the time of the intelligent terminal into a time setting file; calculating the difference value between the reference time and the time of the power acquisition terminal; and correcting the time of the power acquisition terminal according to the difference. Through the mode of adding the time tick file at the intelligent terminal, the time of the intelligent terminal is synchronized to the electric power acquisition terminal, so that the time of the electric power intelligent terminal is more accurate, the time tick is more convenient, and the success rate of meter reading is ensured.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 shows an application scenario diagram of a time synchronization method according to an embodiment of the present invention.
Fig. 2 shows a schematic flow chart of a time synchronization method according to an embodiment of the present invention.
Fig. 3 shows a schematic flow chart of another time synchronization method provided in the embodiment of the present invention.
Fig. 4 shows a schematic connection relationship diagram of a time synchronization device according to an embodiment of the present invention.
Fig. 5 is a schematic block diagram illustrating a power collection terminal according to an embodiment of the present invention.
Icon: 10-a power acquisition terminal; 20-an intelligent terminal; 200-a time synchronization device; 210-a judgment module; 220-an acquisition module; 230-a processing module; 310-a memory; 320-a processor; 330-communication module.
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. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
It is noted that 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. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Fig. 1 is a schematic view of an application scenario of a time synchronization method according to an embodiment of the present invention.
The time synchronization method is applied to an electric power collection terminal 10, the electric power collection terminal 10 is electrically connected with an intelligent terminal 20, and the electric power collection terminal 10 and the intelligent terminal 20 may be, but are not limited to be, electrically connected through a USB interface.
The power acquisition terminal 10 is used for reading data such as electricity meter reading and uploading the read data to the upper-level power grid terminal.
The smart terminal 20 may be a smart phone, a tablet computer, a personal computer, a server, or a network device, and is configured to provide accurate time for the time synchronization of the power collection terminal 10.
Fig. 2 is a schematic flow chart of a time synchronization method according to an embodiment of the present invention.
And 102, acquiring the time of the intelligent terminal and storing the time of the intelligent terminal into a time setting file.
And 103, calculating the difference between the reference time and the time of the power acquisition terminal.
And step 104, correcting the time of the power acquisition terminal according to the difference value.
In this embodiment, the power acquisition terminal is electrically connected with an intelligent terminal, and whether a time setting file exists in the intelligent terminal is judged; the time setting file is used for providing reference time; if so, acquiring the time of the intelligent terminal, and storing the time of the intelligent terminal into a time setting file; calculating the difference value between the reference time and the time of the power acquisition terminal; and correcting the time of the power acquisition terminal according to the difference. Through the mode of adding the time tick file at the intelligent terminal, the time of the intelligent terminal is synchronized to the electric power acquisition terminal, so that the time of the electric power intelligent terminal is more accurate, the time tick is more convenient, and the success rate of meter reading is ensured.
On the basis of fig. 2, a possible implementation manner of the complete scheme is given below, and specifically, please refer to fig. 3, which is a schematic flow diagram of another time synchronization method provided in this embodiment.
And step 100, adding the time setting file to the intelligent terminal.
Firstly, the time setting file is edited by a code language, and then the time setting file is added to the intelligent terminal.
It should be noted that the time-setting file is used to store time and provide a reference time for time setting.
If yes, go to step 102; if not, the subsequent steps are not carried out.
When the electric power acquisition terminal detects that the time tick file exists in the intelligent terminal, the electric power acquisition terminal and the intelligent terminal are successfully connected, and follow-up steps can be carried out.
When the electric power acquisition terminal does not detect the time setting file of the intelligent terminal, the connection failure of the electric power acquisition terminal and the intelligent terminal is explained, and then the subsequent steps are not carried out.
And 102, acquiring the time of the intelligent terminal and storing the time of the intelligent terminal into a time setting file.
It should be noted that step 102 includes a sub-step, and details of the sub-step not mentioned in this step will be described in detail.
And 102-1, searching the time of the intelligent terminal through the setting function of the intelligent terminal and storing the time of the intelligent terminal into a time setting file.
Starting a searching and setting function program in the time setting file, further searching the setting function of the intelligent terminal, then searching the time of the intelligent terminal through the setting function of the intelligent terminal and storing the time of the intelligent terminal into the time setting file.
And 103, calculating the difference between the reference time and the time of the power acquisition terminal.
It should be noted that step 103 includes three substeps, and details of substeps not mentioned in this step will be described in detail.
And 103-1, acquiring reference time of preset times and time of the power acquisition terminal at the corresponding moment.
The predetermined number of times may be, but is not limited to, 100 times, 200 times, 1000 times, etc., and is not limited thereto. The present embodiment is described by taking 100 times as an example.
The method comprises the steps of acquiring 100 times of reference time, and acquiring the time of the power acquisition terminal while acquiring the reference time each time.
And 103-2, calculating a first difference value between each reference time and the time of the power acquisition terminal at the corresponding moment.
And calculating a first difference value between each reference time and the time of the power acquisition terminal at the corresponding moment, thereby obtaining 100 first difference values.
And 103-3, calculating the average value of all the first difference values to obtain the difference values.
And calculating the average value of 100 first difference values to obtain the difference value.
And step 104, correcting the time of the power acquisition terminal according to the difference value.
It should be noted that step 104 includes a sub-step, and details of the sub-step are not mentioned in this step.
And step 104-1, converting the difference value into a hexadecimal numerical value, and correcting the time of the power acquisition terminal according to the hexadecimal numerical value.
In summary, the method and the device for timing by using the timing method and the power acquisition terminal provided by the embodiment of the invention electrically connect the power acquisition terminal with an intelligent terminal, and determine whether the intelligent terminal has a timing file; the time setting file is used for providing reference time; if so, acquiring the time of the intelligent terminal, and storing the time of the intelligent terminal into a time setting file; calculating the difference value between the reference time and the time of the power acquisition terminal; and correcting the time of the power acquisition terminal according to the difference. Through the mode of adding the time tick file at the intelligent terminal, the time of the intelligent terminal is synchronized to the electric power acquisition terminal, so that the time of the electric power intelligent terminal is more accurate, the time tick is more convenient, and the success rate of meter reading is ensured.
In order to perform the corresponding steps in the above embodiments and various possible manners, an implementation manner of the time synchronization apparatus is given below. Further, please refer to fig. 4, which is a schematic diagram illustrating a connection relationship between time synchronization devices according to an embodiment of the present invention. It should be noted that, the basic principle and the generated technical effect of the time synchronization device provided by the embodiment are the same as those of the embodiment, and for the sake of brief description, no part of the embodiment is mentioned, and corresponding contents in the embodiment can be referred to. The time synchronization device 200 includes: comprises a judging module 210, an obtaining module 220 and a processing module 230.
It is understood that in one embodiment, step 101 is performed by the determining module 210.
It is understood that in one embodiment, step 102 and step 103-1 are performed by the acquisition module 220.
It is to be appreciated that in one embodiment, step 103-2, step 103-3, and step 104 are performed by the processing module 230.
Fig. 5 is a block diagram of a power acquisition terminal according to an embodiment of the present invention.
The power harvesting terminal 10 includes a memory 310, a processor 320, and a communication module 330. The memory 310, the processor 320 and the communication module 330 are electrically connected to each other directly or indirectly to realize data transmission or interaction. For example, the components may be electrically connected to each other via one or more communication buses or signal lines.
Wherein the memory is used for storing programs or data. The Memory may be, but is not limited to, a Random Access Memory (RAM), a Read Only Memory (ROM), a Programmable Read-Only Memory (PROM), an erasable Read-Only Memory (EPROM), an electrically erasable Read-Only Memory (EEPROM), and the like.
The processor is used to read/write data or programs stored in the memory and perform corresponding functions.
The communication module is used for establishing communication connection between the electric meter communication module and other communication terminals through the network and receiving and transmitting data through the network.
It should be understood that the configuration shown in fig. 5 is merely a schematic configuration of a power harvesting terminal, which may also include more or fewer components than shown in fig. 5, or have a different configuration than shown in fig. 5. The components shown in fig. 5 may be implemented in hardware, software, or a combination thereof.
In the embodiments provided in the present application, it should be understood that the disclosed apparatus and method may 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.
In addition, the functional modules in the embodiments of the present invention may be integrated together to form an independent part, or each module may exist separately, or two or more modules may be integrated to form an independent part.
The functions, if implemented in the form of software functional modules 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: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A time synchronization method is applied to an electric power acquisition terminal which is electrically connected with an intelligent terminal, and is characterized in that,
judging whether a time setting file exists in the intelligent terminal; the time setting file is used for providing reference time;
if so, acquiring the time of the intelligent terminal, and storing the time of the intelligent terminal into the time setting file;
calculating the difference value between the reference time and the time of the power acquisition terminal;
and correcting the time of the power acquisition terminal according to the difference value.
2. The method of claim 1, wherein calculating the difference between the reference time and the time of the power harvesting terminal comprises:
acquiring the reference time of preset times and the time of the power acquisition terminal at the corresponding moment;
calculating a first difference value between each reference time and the time of the power acquisition terminal at the corresponding moment;
and calculating the average value of all the first difference values to obtain the difference value.
3. The method according to claim 1, wherein the correcting the time of the power collection terminal according to the difference value comprises:
and converting the difference value into a hexadecimal numerical value, and correcting the time of the power acquisition terminal according to the hexadecimal numerical value.
4. The method according to claim 1, wherein before the determining whether the time tick file exists in the intelligent terminal, the method comprises:
and adding the time tick file to the intelligent terminal.
5. The method according to claim 1, wherein the collecting the time of the intelligent terminal comprises:
and searching the time of the intelligent terminal through the setting function of the intelligent terminal.
6. The utility model provides a to the time device is applied to an electric power acquisition terminal, electric power acquisition terminal is connected with an intelligent terminal electricity, its characterized in that to the time device includes:
the judging module is used for judging whether the intelligent terminal has a time setting file or not; the time setting file is used for providing reference time;
the acquisition module is used for acquiring the time of the intelligent terminal when the time setting file exists in the intelligent terminal and storing the time of the intelligent terminal into the time setting file;
the processing module is used for calculating the difference value between the reference time and the time of the power acquisition terminal; and the time of the power acquisition terminal is corrected according to the difference value.
7. The apparatus of claim 6,
the acquisition module is further used for acquiring the reference time of a preset number of times and the time of the power acquisition terminal at a corresponding moment;
the processing module is further used for calculating a first difference value between each reference time and the time of the power acquisition terminal at the corresponding moment; and also for calculating an average of all of said first differences to obtain said difference.
8. The apparatus of claim 6,
the processing module is further configured to convert the difference value into a hexadecimal numerical value, and correct the time of the power acquisition terminal according to the hexadecimal numerical value;
and the time setting file is also used for adding the time setting file to the intelligent terminal.
9. The apparatus of claim 6,
the acquisition module is further used for searching the time of the intelligent terminal through the setting function of the intelligent terminal.
10. A power harvesting terminal comprising a processor and a memory, the memory storing machine executable instructions executable by the processor to implement the method of pairing time of any one of claims 1 to 5.
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| CN112235426A (en) * | 2020-12-14 | 2021-01-15 | 长沙树根互联技术有限公司 | Data sampling time optimization method and device and electronic equipment |
| CN113538884A (en) * | 2021-05-31 | 2021-10-22 | 宁波三星医疗电气股份有限公司 | Method for improving acquisition success rate of power acquisition terminal and power acquisition terminal |
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| CN113538884B (en) * | 2021-05-31 | 2022-04-26 | 宁波三星医疗电气股份有限公司 | Method for improving acquisition success rate of power acquisition terminal and power acquisition terminal |
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| CN110677211B (en) | 2020-11-20 |
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