CN105739928A - Multi-region storage based parameter storage method for distribution network terminal device - Google Patents
Multi-region storage based parameter storage method for distribution network terminal device Download PDFInfo
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- CN105739928A CN105739928A CN201610066146.5A CN201610066146A CN105739928A CN 105739928 A CN105739928 A CN 105739928A CN 201610066146 A CN201610066146 A CN 201610066146A CN 105739928 A CN105739928 A CN 105739928A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0602—Interfaces specially adapted for storage systems specifically adapted to achieve a particular effect
- G06F3/0614—Improving the reliability of storage systems
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Abstract
The invention discloses a multi-region storage based parameter storage method for a distribution network terminal device. A storage module comprises at least three or more storage regions which are regions 1-n respectively, wherein n is greater than or equal to 3. When the distribution network terminal device runs for the first time, default values of all parameters are stored in the storage regions; when being modified, the parameters are stored in the storage regions after being checked; when the distribution network terminal device runs normally, the parameters of all the storage regions are cyclically detected, and if all the storage regions have errors and the errors do not disappear after rechecking, functions related to the parameters are disabled; and as long as one correct storage region exists, the parameter of the correct storage region is stored in the error storage region, and if an error does not disappear after rechecking, a system reports the storage region with the error and enters a normal running state, so that the problem that the parameter cannot be used due to the fact that an exception occurs to one memory is solved.
Description
Technical field
The present invention relates to distribution network terminal equipment technical field, particularly relate to the distribution network terminal device parameter storage method based on multizone storage.
Background technology
Development along with intelligent power distribution network technology; performance for distribution terminal equipment proposes increasingly higher requirement; but in running environment at the scene; due to the factor such as accidental power failure, interference; some parameter in equipment can be affected; and can the correctness of parameter directly decide distribution network terminal equipment and play the effect of monitor and detection and protection, the equipment of ultimately resulting in cannot be properly functioning.The general design of the terminal detection device of intelligent network distribution is all based on embedded platform, and the parameter required for equipment is left in single fixing storage chip by memorizer of arranging in pairs or groups in periphery.Fig. 1 represents existing parameter storage scheme, parameter is stored region 1 by the CPU of distribution network terminal equipment, so when occurring accident or memorizer to damage in storing process, parameter cannot be recovered, and equipment can cause the system failure even to collapse because of the parameter of mistake in, ultimately results in serious security incident.If increasing extra backing storage will increase hardware cost.
Summary of the invention
The purpose of the present invention is contemplated to solve the problems referred to above, a kind of distribution network terminal device parameter storage method based on multizone storage is provided, will not occur abnormal because of a memorizer, cause the obsolete problem of parameter, effectively reduce because electromagnetic interference, memorizer damage the abnormal parameters caused, namely do not increase system resource, it is ensured that the correct storage of parameter, increase the time that system equipment runs well.
To achieve these goals, the present invention adopts the following technical scheme that
Based on the distribution network terminal device parameter storage method of multizone storage, distribution network terminal equipment includes CPU, testing circuit module, memory module, power module and communication module；
Described memory module includes the memory area of more than at least three, respectively region 1, region 2 ... region n, n are be more than or equal to 3, and each memory area is relatively independent and standby each other, when distribution network terminal equipment runs first, the default value of all parameters is stored each memory area；Parameter check when modifying errorless after also by storage to each memory area.
When distribution network terminal equipment is properly functioning, whether the parameter of all memory areas of continuous cycle detection is correct, if mistake all occurs in memory area, after inspection again, mistake does not disappear, and the function with relating to parameters is closed；Correct simply by the presence of a memory area, the parameter of correct memory area is stored error memory area, this error memory area mistake after inspection again does not disappear, and the memory area of mistake occurs by reporting in system, and system enters normal operating condition.
When described distribution network terminal equipment runs first, the function relevant to parameter is closed, it is prevented that parameter dysfunction occurs in change process.
Parameter first checks for amended parameter whether beyond set point when modifying, and errorless being stored to each region if checked, if parameter has exceeded set point, cancelling amendment and also error message being fed back to communication module.
When parameter is in amendment process, the function relevant to parameter is closed, it is prevented that in change process, dysfunction occurs.
When distribution network terminal equipment is properly functioning, in the correctness of the continuous cycle detection parameter of interval that function completes.
When distribution network terminal equipment is properly functioning, the concrete grammar of the storage of parameter includes:
Whether correct first check for the parameter in RAM, if correctly continuing checking for the correctness of subsequent region parameter, if it is incorrect, parameter is read from region 1, whether the parameter in service test algorithm detection region 1 is correct, its value is passed to RAM if correct and continue checking for the correctness of subsequent region parameter, if the parameter obtained from region 1 is not verified, parameter correct judgment will be read from region 2, its value is passed to RAM if correct and be stored to region 1, if again there is mistake in storing process in region 1, region 1 will be abandoned, the priority in such region 2 raises, the parameter values in region 2 is preferentially used when RAM checks and goes wrong；If the incorrect parameter continuing the next memory area of inspection, correct until the parameter having a memory area, correct parameter is replaced the parameter of all incorrect memory areas；The like, identical strategy is also carried out for follow-up parameter backup region；If the parameter of all memory areas all detects incorrect, the function of distribution network terminal equipment and relating to parameters will be closed, and error message is fed back upper level equipment.
Removing and store outside special region 1 as parameter, other memory areas all utilize it mainly to store the part that function does not all use.Namely do not increasing on the basis of equipment cost, making full use of each memorizer and complete the storage of parameter, it is ensured that the correctness of parameter.
Beneficial effects of the present invention:
(1) single storage being expanded to multizone, more than at least 3, one of them region is parameter private memory, and each region is mutually contradictory and standby each other；
(2) system is run first, and the default value of all parameters is stored each region；Parameter modify inspection errorless after also by storage to each region；When storing, the function relevant to parameter is exited, it is prevented that in change process, dysfunction occurs.
(3), when system is properly functioning, whether the parameter in continuous cycle detection region 1, region 2 and region 3 is correct.If mistake all occur in 3 regions, after inspection again, mistake does not disappear, and the function with relating to parameters is closed by system；Correct simply by the presence of a region, the parameter in correct region is stored zone errors, after inspection again, mistake does not disappear, and the region of mistake occurs by reporting in system, and system enters normal operating condition.
(4) utilize the remainder of many functional memories, do not increase system cost, it is possible to make full use of each memorizer.
(5) the method will not occur abnormal because of a memorizer, cause the obsolete problem of parameter, effectively reduce because electromagnetic interference, memorizer damage the abnormal parameters caused, namely do not increase system resource, ensure the correct storage of parameter, increase the time that system equipment runs well.
Accompanying drawing explanation
Fig. 1 is existing parameter storage scheme；
Fig. 2 is distribution network terminal device parameter testing process in the present embodiment.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described with embodiment.
Distribution network terminal equipment is generally all made up of CPU, testing circuit module, memory module, power module and communication module.Memory module can select mass storage when being the data of record testing circuit module, memory module also has a special parameter storage, also have because the extra memory of other functional requirements design, such as update the memorizer for storing program code for convenience of program.Memory module includes three memory areas, respectively region 1, region 2 and region 3, and each memory area is relatively independent and standby each other.
The main region 1 that distribution network terminal equipment choosing ferrum electricity FRAM stores as parameter；
The CPU of distribution network terminal equipment selects the microcontroller of STM32 series, and the FLASH capacity of internal storage program code is relatively larger, and code will not take too many space, selects a portion as region 2；
Distribution network terminal equipment uses big data storage NANDFLASH to preserve tele rcording, in order to later device upgrade or expansion have reserved area, it is possible to select a portion as region 3；
The default value of parameter, when first powering on, is stored region 1, region 2 and region 3, and whether read the parameter using CRC algorithm inspection storage after storage terminates correct by distribution network terminal equipment.If any region parameter in region 1, region 2 and region 3 is correct, distribution network terminal equipment will run well.If region 1, region 2 and region 3 check errors, distribution network terminal equipment will be closed key function and parameter error information will be passed to upper level equipment, in order to processes in time and prevents misoperation from producing.
Distribution network terminal equipment, in the gap of the functions such as parameter calling, amendment, checks that whether the parameter in RAM district, region 1, region 2 and region 3 is normal in turn.If mistake all occurs in the parameter in 4 regions, distribution network terminal equipment will be closed key function and parameter error information will be passed to upper level equipment.If there is wrong number of regions less than 4, the parameter in correct region is stored again zone errors, and reading is tested, if again making a mistake, zone errors being isolated and reporting.
The specific embodiment of the present invention is described in conjunction with accompanying drawing although above-mentioned; but not limiting the scope of the invention; one of ordinary skill in the art should be understood that; on the basis of technical scheme, those skilled in the art need not pay various amendments or deformation that creative work can make still within protection scope of the present invention.
Claims (7)
1., based on the distribution network terminal device parameter storage method of multizone storage, distribution network terminal equipment includes CPU, testing circuit module, memory module, power module and communication module, it is characterized in that,
Described memory module includes the memory area of more than at least three, respectively region 1, region 2 ... region n, n are be more than or equal to 3, and each memory area is relatively independent and standby each other, when distribution network terminal equipment runs first, the default value of all parameters is stored each memory area；Parameter when modifying inspection errorless after also by storage to each memory area；
When distribution network terminal equipment is properly functioning, whether the parameter of all memory areas of continuous cycle detection is correct, if mistake all occurs in memory area, after inspection again, mistake does not disappear, and the function with relating to parameters is closed；Correct simply by the presence of a memory area, the parameter of correct memory area is stored error memory area, this error memory area mistake after inspection again does not disappear, and the memory area of mistake occurs by reporting in system, and system enters normal operating condition.
2., as claimed in claim 1 based on the distribution network terminal device parameter storage method of multizone storage, it is characterized in that, when described distribution network terminal equipment runs first, the function relevant to parameter is closed, it is prevented that parameter dysfunction occurs in change process.
3. as claimed in claim 1 based on the distribution network terminal device parameter storage method of multizone storage, it is characterized in that, whether parameter first checks for amended parameter beyond set point when modifying, if check errorless after be stored to each region, if parameter has exceeded set point, cancel amendment and error message is fed back to communication module.
4., as claimed in claim 3 based on the distribution network terminal device parameter storage method of multizone storage, it is characterized in that, when parameter is in amendment process, the function relevant to parameter is closed, it is prevented that in change process, dysfunction occurs.
5., as claimed in claim 1 based on the distribution network terminal device parameter storage method of multizone storage, it is characterized in that, when distribution network terminal equipment is properly functioning, in the correctness of the continuous cycle detection parameter of interval that function completes.
6. as claimed in claim 1 based on the distribution network terminal device parameter storage method of multizone storage, it is characterized in that, when distribution network terminal equipment is properly functioning, the concrete grammar of parameter storage includes:
Whether correct first check for the parameter in RAM, if correctly continuing checking for the correctness of next memory area parameter, if it is incorrect, parameter is read from region 1, whether the parameter in service test algorithm detection region 1 is correct, its value is passed to RAM if correct and continue checking for the correctness of next memory area parameter, if the parameter obtained from region 1 is not verified, parameter correct judgment will be read from region 2, its value is passed to RAM if correct and be stored to region 1, if again there is mistake in storing process in region 1, region 1 will be abandoned, the priority in such region 2 raises, the parameter values in region 2 is preferentially used when RAM checks and goes wrong；If the incorrect parameter continuing the next memory area of inspection, correct until the parameter having a memory area, correct parameter is replaced the parameter of all incorrect memory areas；The like, identical strategy is also carried out for follow-up parameter backup region；If the parameter of all memory areas all detects incorrect, the function of distribution network terminal equipment and relating to parameters will be closed, and error message is fed back upper level equipment.
7. based on the distribution network terminal device parameter storage method of multizone storage as described in any one of claim 1-6, it is characterized in that, removing and store outside special region 1 as parameter, other memory areas all utilize it mainly to store the part that function does not all use.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106445722A (en) * | 2016-10-20 | 2017-02-22 | 积成电子股份有限公司 | Method for conducting parameter storage in embedded system based on flash memory |
| CN108664358A (en) * | 2018-05-18 | 2018-10-16 | 广州视源电子科技股份有限公司 | Single-chip microcomputer parameter processing method and system, readable storage medium and terminal equipment |
| CN109521954A (en) * | 2018-10-12 | 2019-03-26 | 许继集团有限公司 | A kind of distribution FTU fixed point file management method and device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106445722A (en) * | 2016-10-20 | 2017-02-22 | 积成电子股份有限公司 | Method for conducting parameter storage in embedded system based on flash memory |
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| CN108664358A (en) * | 2018-05-18 | 2018-10-16 | 广州视源电子科技股份有限公司 | Single-chip microcomputer parameter processing method and system, readable storage medium and terminal equipment |
| CN109521954A (en) * | 2018-10-12 | 2019-03-26 | 许继集团有限公司 | A kind of distribution FTU fixed point file management method and device |
| CN109521954B (en) * | 2018-10-12 | 2021-11-16 | 许继集团有限公司 | Distribution network FTU fixed point file management method and device |
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Address after: 250101 block B, Yinhe building, 2008 Xinjie street, hi tech Zone, Ji'nan, Shandong. Applicant after: Shandong Luneng Intelligent Technology Co., Ltd. Address before: 250101 B block 626, Yinhe building, 2008 Xinjie street, Ji'nan high tech Zone, Shandong. Applicant before: Shandong Luneng Intelligent Technology Co., Ltd. |
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Application publication date: 20160706 |
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