CN104699553B - The self-recovery method of clock after a kind of power information acquisition terminal Clock battery failure - Google Patents
The self-recovery method of clock after a kind of power information acquisition terminal Clock battery failure Download PDFInfo
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- CN104699553B CN104699553B CN201510127389.0A CN201510127389A CN104699553B CN 104699553 B CN104699553 B CN 104699553B CN 201510127389 A CN201510127389 A CN 201510127389A CN 104699553 B CN104699553 B CN 104699553B
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Abstract
The self-recovery method of clock after being failed the present invention relates to a kind of power information acquisition terminal Clock battery, ammeter energy clock is connect under acquisition terminal to recover itself clock by reading, clock can be found in time, data acquisition, storage can be automatically stopped within the clock error period, loss of data and storage mistake will not be caused, and cause acquisition terminal can full automatic treatment, without manual intervention, save a large amount of human and material resources.In addition, customer plans power failure, game clock case need not be coordinated, have a power failure inconvenience and extra work will not be caused to client.
Description
Technical field
The present invention relates to during power utilization information collection system field, more particularly to a kind of power information acquisition terminal used for intelligent electric network
The self-recovery method of clock after clock battery failure.
Background technology
Power user power consumption information acquisition system (power user electric energy data acquire
System) it is the system that is acquired to the power information of power consumer, handles and monitors in real time, realizes the automatic of power information
Collection, metering exception monitoring, electric energy quality monitoring, electrical energy consumption analysis and management, relevant information issue, distributed energy monitoring, intelligence
The functions such as the information exchange of energy electrical equipment.
Power information acquisition terminal (electric energy data acquire terminal) is to each information gathering
The equipment of point power information collection, abbreviation acquisition terminal.The collection, data management, data double-way of electric energy meter data can be realized
Transmission and forwarding or the equipment for performing control command.Power information acquisition terminal by application places be divided into special transformer acquisition terminal,
The types such as centralized automatic meter-reading terminal (including concentrator, collector), distributed energy monitor terminal.
With the continuous construction of State Grid Corporation of China's " all standing, full collection, control in full ", some ends put into operation earliest
End starts some problems occur, such as Clock battery failure.When keeping clock after terminal power-off, thus one is had on mainboard
Clock battery gives RTC block power supply, but because battery also has self discharge and the later qualification rate problem of battery batch to lead in itself
The cause terminal that put into operation has certain proportion dead battery.If dead battery, terminal can cause clock after alternating current power-off
Lose, cause that acquisition terminal re-powers rear data storage, task reports etc. with the critical function of time correlation all by entanglement, lead
Terminal is caused to be not normally functioning.
Solving the problem at present mainly has two methods：First, hardware replacement, acquisition terminal Clock battery is changed at scene, should
Method needs manufacturer technical staff to rush towards erecting bed, also needs to coordinate Electricity customers scheduled outage, game clock case, also needs to open
Lead sealing is measured, scene also needs power taking using soldering appliance etc., and shortcoming is that labour cost is high, transport cost is high, human cost is high, stopped
Electric inconvenience, power taking inconvenience.Another kind is the initiating terminal pair in acquisition system main website after artificial discovery terminal clock battery failure
When order, time adjustment is come, this method exist find not in time, terminal meter data lose, the problems such as needing manual intervention.
The content of the invention
In view of the above-mentioned problems, the present invention provides, a kind of cost is cheap, can find power information acquisition terminal clock in time
The method of battery failure and the automatic recovered clock of energy, after solving current power information acquisition terminal Clock battery failure, collection
The problem of terminal data collection, storage, upload function disorder.
To solve the above problems, the technical scheme that the present invention takes is：A kind of power information acquisition terminal Clock battery loses
The self-recovery method of clock, comprises the following steps after effect：
Step 1：Acquisition terminal power-up initializing；
Step 2：Acquisition terminal is established with clock chip and communicated, and read status register judges whether Clock battery loses
Effect；
Step 3：Through judging, if Clock battery does not fail, acquisition terminal normal operation；If Clock battery has failed, temporarily
Stop data acquisition, store tasks and initiate self-recovery task；
Step 4：Acquisition terminal carries out priority ranking according to the reliability of clock information to all electric energy meters of subordinate, and
According to the clock information of order of priority circle collection electric energy meter, until gathering successfully；
Step 5：Clock information using the clock of power meter information collected as acquisition terminal, recover data acquisition, deposit
Storage task, acquisition terminal recover normal operation.
Acquisition terminal judges that the Clock battery is according to the low flag bit of voltage of clock chip status register in step 2
No failure.
Using the clock information of current electric energy meter as collection if current clock of power meter information gathering success in step 4
The clock information of terminal；If current clock of power meter information does not gather success, first judge whether current electric energy meter is last block
Electric energy meter, if so, being then acquired again to first piece of electric energy meter, if it is not, being then acquired to next piece of electric energy meter, until adopting
Collect successfully.After starting acquisition terminal, acquisition terminal and clock chip establish communication can continual acquisition temporal information, due to
Clock chip such as epson8025 status register is equal used in acquiring electric energy information terminal and electric energy meter in power industry
There is VLF (the low flag bit of voltage), therefore can determine whether Clock battery fails by read status register.If clock
Battery failure, pause data acquisition, store tasks, to prevent data timestamp storage mistake, (data markers herein refers to data institute band
Some correct time marks) cause data entanglement, delete by mistake, while initiate self-recovery task.
The execution of self-recovery task：Acquisition terminal selection electric energy meter is adopted as clock source, and according to order of priority
Collection《DLT/645-2007 multifunctional electric energy meter communication protocols》Defined in the electric energy meter date, time data mark, once collection
Success, is current clock of power meter by the clock setting of acquisition terminal, exits task, recovers data acquisition, store tasks, collection
Terminal recovers normal operation.
Order of priority described in step 4 is arranged according to the reliability of clock of power meter information.It is such as general
RS485 tables are all taiwan area table of merit rating, large-scale specially change user's table, it is desirable to which error in dipping is small, clock is more accurate, and carrier wave meter is residence
Utility meters relative requirement is relatively low, so as to which clock is relatively inaccurate；Therefore it can preferentially use RS485 tables.
The present invention connects clock of power meter to recover itself clock by reading under acquisition terminal, can find clock mistake in time
Disorderly, data acquisition, storage can be automatically stopped within the clock error period, loss of data and storage mistake will not be caused to cause to measure
Dispute, and cause acquisition terminal can full automatic treatment, without manual intervention, save a large amount of human and material resources.In addition, without coordinating
Customer plans have a power failure, game clock case, and have a power failure inconvenience and extra work will not be caused to client.
Brief description of the drawings
Fig. 1 is the schematic flow sheet of the present invention.
Embodiment
The self-recovery method of clock, comprises the following steps after a kind of power information acquisition terminal Clock battery failure：
Step 1：Acquisition terminal power-up initializing；
Step 2：Acquisition terminal is established with clock chip and communicated, and the low mark of the voltage for reading clock chip status register
Will position judges whether Clock battery fails；
Step 3：Through judging, if Clock battery does not fail, acquisition terminal normal operation；If Clock battery has failed, temporarily
Stop data acquisition, store tasks and initiate self-recovery task；
Step 4：Acquisition terminal carries out priority ranking according to the reliability of clock information to all electric energy meters of subordinate, and
According to the clock information of order of priority circle collection electric energy meter, until gathering successfully；If current clock of power meter information gathering into
The work(then clock information using the clock information of current electric energy meter as acquisition terminal；If current clock of power meter information does not gather into
Work(, first judge whether current electric energy meter is last block electric energy meter, if so, then first piece of electric energy meter is acquired again, if
It is no, then next piece of electric energy meter is acquired, until gathering successfully；
Step 5：Clock information using the clock of power meter information collected as acquisition terminal, recover data acquisition, deposit
Storage task, acquisition terminal recover normal operation.
Claims (3)
1. the self-recovery method of clock after a kind of power information acquisition terminal Clock battery failure, it is characterised in that including following step
Suddenly：
Step 1：Acquisition terminal power-up initializing；
Step 2：Acquisition terminal is established with clock chip and communicated, and read status register judges whether Clock battery fails；
Step 3：Through judging, if Clock battery does not fail, acquisition terminal normal operation；If Clock battery has failed, suspend number
According to collection, store tasks and initiate self-recovery task；
Step 4：Acquisition terminal according to clock information reliability to all electric energy meters of subordinate carry out priority ranking, and according to
The clock information of order of priority circle collection electric energy meter, until gathering successfully；
Step 5：Clock information using the clock of power meter information collected as acquisition terminal, recover data acquisition, storage is appointed
Business, acquisition terminal recover normal operation.
2. the self-recovery method of clock after power information acquisition terminal Clock battery failure according to claim 1, it is special
Sign is：Whether acquisition terminal judges the Clock battery according to the low flag bit of voltage of clock chip status register in step 2
Failure.
3. the self-recovery method of clock after power information acquisition terminal Clock battery failure according to claim 1, it is special
Sign is：It is whole using the clock information of current electric energy meter as collection if current clock of power meter information gathering success in step 4
The clock information at end；If current clock of power meter information does not gather success, first judge whether current electric energy meter is last block electricity
Energy table, if so, being then acquired again to first piece of electric energy meter, if it is not, being then acquired to next piece of electric energy meter, until collection
Success.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510127389.0A CN104699553B (en) | 2015-03-23 | 2015-03-23 | The self-recovery method of clock after a kind of power information acquisition terminal Clock battery failure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510127389.0A CN104699553B (en) | 2015-03-23 | 2015-03-23 | The self-recovery method of clock after a kind of power information acquisition terminal Clock battery failure |
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| Publication Number | Publication Date |
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| CN104699553A CN104699553A (en) | 2015-06-10 |
| CN104699553B true CN104699553B (en) | 2017-11-21 |
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| CN201510127389.0A Expired - Fee Related CN104699553B (en) | 2015-03-23 | 2015-03-23 | The self-recovery method of clock after a kind of power information acquisition terminal Clock battery failure |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108020716B (en) * | 2017-11-17 | 2021-04-13 | 杭州海兴电力科技股份有限公司 | Method for accurately timing time of terminal based on distributed clock source |
| CN109239426B (en) * | 2018-08-30 | 2020-08-25 | 宁波迦南智能电气股份有限公司 | Data recording and frozen data recovery method for calendar clock abnormity of electric energy meter |
| CN111025223B (en) * | 2019-12-24 | 2022-09-20 | 宁波三星医疗电气股份有限公司 | Clock correction method, device, equipment and storage medium of electric energy meter |
| CN113141228B (en) * | 2021-04-15 | 2022-09-27 | 青岛鼎信通讯股份有限公司 | Self-correcting method for district clock based on transmission delay |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202362900U (en) * | 2011-11-03 | 2012-08-01 | 上海联能仪表有限公司 | Concentrator |
| CN103516507A (en) * | 2013-09-24 | 2014-01-15 | 国家电网公司 | Electricity utilization information collecting system time synchronization method based on DLPTP clock synchronization |
| CN103823361A (en) * | 2014-02-26 | 2014-05-28 | 中国能源建设集团广东省电力设计研究院 | Multi-source dynamic self-adaptation clock synchronization method and device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101236693B (en) * | 2007-02-01 | 2011-08-10 | 上海久隆电力（集团）有限公司 | Intelligent meter reading system |
| CA2753074A1 (en) * | 2009-03-11 | 2010-09-16 | Trilliant Networks, Inc. | Process, device and system for mapping transformers to meters and locating non-technical line losses |
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- 2015-03-23 CN CN201510127389.0A patent/CN104699553B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202362900U (en) * | 2011-11-03 | 2012-08-01 | 上海联能仪表有限公司 | Concentrator |
| CN103516507A (en) * | 2013-09-24 | 2014-01-15 | 国家电网公司 | Electricity utilization information collecting system time synchronization method based on DLPTP clock synchronization |
| CN103823361A (en) * | 2014-02-26 | 2014-05-28 | 中国能源建设集团广东省电力设计研究院 | Multi-source dynamic self-adaptation clock synchronization method and device |
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