CN108318721A - A kind of twin-core electric energy meter method for managing security - Google Patents
A kind of twin-core electric energy meter method for managing security Download PDFInfo
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- CN108318721A CN108318721A CN201810048124.5A CN201810048124A CN108318721A CN 108318721 A CN108318721 A CN 108318721A CN 201810048124 A CN201810048124 A CN 201810048124A CN 108318721 A CN108318721 A CN 108318721A
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- electric energy
- twin
- energy meter
- core electric
- state
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R11/00—Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R35/00—Testing or calibrating of apparatus covered by the other groups of this subclass
- G01R35/04—Testing or calibrating of apparatus covered by the other groups of this subclass of instruments for measuring time integral of power or current
Abstract
The present invention relates to a kind of twin-core electric energy meter method for managing security, the corresponding twin-core electric energy meter of the method has operational mode and laboratory pattern；Detect pattern residing for current twin-core electric energy meter；If detecting, current twin-core electric energy meter is in operational mode, controls metering core and is only capable of carrying out clock setting, externally only realizes read operation；If detecting, current twin-core electric energy meter is in laboratory pattern, and metering core is allowed to carry out zeros data operation.Compared with the existing technology, method of the invention can make twin-core electric energy meter meet the national conditions of China's power reguirements, while can meet the standard requirement of IR46, ensure the safety of continuous data.
Description
Technical field
The present invention relates to electric energy meter field more particularly to a kind of twin-core electric energy meter method for managing security.
Background technology
Twin-core electric energy meter has mutually independent metering core and management core.Wherein, metering core mainly undertakes electricity as base table
Energy metering tasks, are provided simultaneously with the functions such as data storage, pulse instruction, full decompression, abnormity of power supply event detection, and have solely
Vertical RS485 communication interfaces, for tracing to the source for legal system data.Management core undertakes the management role of whole table, mainly shown including taking control,
The tasks such as correspondence with foreign country, logout, data-frozen, spatial load forecasting.Twin-core electric energy table function divides as shown in Figure 1.
Product of the twin-core electric energy meter as International Recommendation 46 (hereinafter referred to as IR46), has
Stringent legal system requirement.According to the requirement of IR46 standards, the continuous data of twin-core electric energy meter metering core can not be changed.
But the IR46 standards cannot be satisfied the existing power supply management national conditions in China, because electric energy meter is from production to real linked network
Operation, need to detect through Utilities Electric Co., and electric energy meter will produce the data such as electricity, logout in detection process, only by this
Otherwise the formal linked network of ability after the data dump detected a bit will generate electricity consumption dispute.
If not abiding by the standard, and member state one of of the China as International Legal Organization (hereinafter referred to as OIML),
This will damage big country of China demeanour.Meanwhile there is also apparent deficiency, China's standard bodies for the current electric energy meter standards system in China
It is to require to compare solidification to the software and hardware of electric energy meter, electric energy meter is the integrated design, this kind of integrated design can not be real
The independence of existing data so that electric energy meter data are easy to be tampered, and influence Power supply market normal operation.
Invention content
In view of the above problems, the purpose of the present invention is to provide a kind of twin-core electric energy meter method for managing security, this method makes
Obtaining metering core, there is opposite legal system, operator can not arbitrarily change internal data, ensure that the metering security performance of electric energy meter,
So that twin-core electric energy meter can load IR46 standards require and meet China actual needs.
To achieve the goals above, the technical solution adopted by the present invention is：A kind of twin-core electric energy meter method for managing security,
It is characterized in that：
The corresponding twin-core electric energy meter of the method has operational mode and laboratory pattern；
Detect pattern residing for current twin-core electric energy meter；
If detecting, current twin-core electric energy meter is in operational mode, controls metering core and is only capable of carrying out clock setting, externally
Only realize read operation；
If detecting, current twin-core electric energy meter is in laboratory pattern, and metering core is allowed to carry out zeros data operation.
Further, the method for managing security enters laboratory mould using the following manner control twin-core electric energy meter
Formula：
Judge whether the twin-core electric energy meter obtains the first state of the first conjunction, the first state of the second conjunction, third and close member state successively；
If so, controlling the twin-core electric energy meter switches to laboratory pattern, conversely, not allowing access into laboratory mould then
Formula.
Further, the method for managing security further includes：
Before the twin-core electric energy meter obtains the first state of corresponding conjunction, also detect whether extraneous input signal meets correspondence
Conjunction member status condition；
If satisfied, the corresponding acquisition operation for closing first state is then carried out, conversely, then exiting operation.
Further, the method for managing security further includes：
It is next into whether the extraneous input signal of detection meets after completing the first state of previous corresponding conjunction and obtaining operation
Before the first status condition of a corresponding conjunction, also calculates external world's input signal compatible with next corresponding the conjunctions member state and arrive
Carry out the time, and judges whether the arrival time is greater than the set value；
If so, resetting to retreat and going out for drill the arrival time of calculating and next corresponding related data for closing first state
Make, it is on the contrary then detect whether extraneous input signal meets next corresponding conjunction member status condition.
Further, the acquisition, which operates, includes：
Judge whether the corresponding duration for closing first state is more than predetermined value, if so, the first state of corresponding conjunction is obtained,
Conversely, being then back to whether the extraneous input signal of detection meets the corresponding operation for closing first status condition.
Further, it is 1.0, Un, 100%Ib that the first state of the first conjunction, which corresponds to parameter,；Second, which closes first state, corresponds to ginseng
Number is 1.0, Un, 1%Ib；It is 0.5L, Un, 100%Ib that third, which closes first state and corresponds to parameter,.
Further, it is 1.0, Un, 100%In that the first state of the first conjunction, which corresponds to parameter,；Second, which closes first state, corresponds to ginseng
Number is 1.0, Un, 1%In；It is 0.5L, Un, 100%In that third, which closes first state and corresponds to parameter,.
Further, after the twin-core electric energy meter enters laboratory pattern, moreover it is possible to be programmed, be arranged to the metering core
Time, record school when and reset logout.
Further, the method for managing security further includes：
When the retention time for detecting that the twin-core electric energy meter enters laboratory pattern is more than threshold value or detects and moved back
When going out order, controls the twin-core electric energy meter and exit laboratory pattern, into operational mode.
Further, the clock setting includes：
When the twin-core electric energy meter is in operational mode, extraneous client computer is established by managing the ESAM authentication modes of core
Using connection, after certification passes through, the management core receives legal clock setting order, using clear-text way to the metering core into
Row clock is arranged.
Further, the legal clock setting order is obtained by ESAM decryption and mac authentication；The twin-core electric energy meter
When in operational mode, moreover it is possible to which mode carries out clock setting when by broadcasting school.
Further, the setting value value 1min, the predetermined value value 2-10s；The threshold value is for 24 hours；It is described to move back
It is to meet the growth data frame of DL/T698 agreements to go out order.
Compared with the prior art, the advantages of the present invention are as follows：Twin-core electric energy meter is designed to laboratory pattern and fortune
Row pattern, and allow under the pattern of laboratory to carry out zeros data operation, and be only capable of carrying out in the operating mode clock setting and
The read operation of data had not only met China's electric energy meter management market, but also can ensure the data legal system of electric energy meter relatively in this way, made
It meets the requirement of IR46 standards, ensure that the safety of data.
Description of the drawings
Fig. 1 is the functional structure chart of existing twin-core electric energy meter.
Fig. 2 is that the laboratory pattern of the embodiment of the present invention enters flow chart.
Fig. 3 is that the laboratory pattern of the embodiment of the present invention exits flow chart.
Fig. 4 is the block diagram that clock is arranged under operational mode of the embodiment of the present invention by setting command.
Specific implementation mode
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, and is only used for explaining the present invention, and is not considered as limiting the invention.
The present patent application protects a kind of twin-core electric energy meter method for managing security, the twin-core electric energy meter to have operational mode and reality
Test room pattern；The method for managing security specifically includes,
Detect pattern residing for current twin-core electric energy meter；
If detecting, current twin-core electric energy meter is in operational mode, controls metering core and is only capable of carrying out clock setting, externally
Only realize read operation；
If detecting, current twin-core electric energy meter is in laboratory pattern, and metering core is allowed to carry out zeros data operation.
Make electric energy meter that there is laboratory pattern and operational mode, and allows the data to electric energy meter under the pattern of laboratory
It is modified, and can only then carry out the read operation of clock setting and data in the operating mode, both can guarantee twin-core electricity in this way
The problems such as energy table detects the data of debugging generation before meeting hanging net operation, the time records, also can guarantee electric energy meter in operational mode
Lower data cannot be tampered, and to ensure that twin-core electric energy meter not only tallied with the national condition, but also can meet the requirement of IR46.
Specifically, the method for managing security is managed using following methods to entering laboratory pattern：
First judge whether the twin-core electric energy meter obtains the first state of the first conjunction, the first state of the second conjunction, third and close member shape successively
State；If so, controlling the twin-core electric energy meter switches to laboratory pattern, conversely, not allowing access into laboratory pattern then.And
Before the twin-core electric energy meter obtains the first state of corresponding conjunction successively, also detect whether extraneous input signal meets corresponding conjunction member
Status condition；
If satisfied, the corresponding acquisition operation for closing first state is then carried out, conversely, then exiting operation.
It is next into whether the extraneous input signal of detection meets after completing the first state of previous corresponding conjunction and obtaining operation
Before the first status condition of a corresponding conjunction, also calculate and next corresponding first state compatible external world's input signal of closing
Arrival time, and judge whether the arrival time is greater than the set value；
If so, resetting to retreat and going out for drill the arrival time of calculating and next corresponding related data for closing first state
Make, it is on the contrary then detect whether extraneous input signal meets next corresponding conjunction member status condition.
Specifically, acquisition operation includes：
Judge whether the corresponding duration for closing first state is more than predetermined value, if so, the first state of corresponding conjunction is obtained,
Conversely, being then back to whether the extraneous input signal of detection meets the corresponding operation for closing first status condition.
Flow chart as shown in Figure 2 when into laboratory pattern, first judges whether extraneous input signal meets conjunction member 1.0,
Un, 100%Ib (hereinafter referred to as state 1), if satisfied, then 1 duration of accumulated state, and judge the duration it is accumulative whether>
Predetermined value 10S, if not satisfied, 1 duration of state is then zeroed out operation backed off after random.It should be noted that the predetermined value
Can be any value in 2-10S, value 10S herein.
If 1 duration of state is accumulative>Predetermined value 10S then obtains 1 parameter of state；It then calculates and closes member 1.0, Un,
The corresponding extraneous input signal arrival times of 1%Ib (hereinafter referred to as state 2), i.e., state 1 arrives 2 interval time of state, and judges
Whether the state 1 arrives 2 interval time of state>Setting value 1min, if so, by state 1 to 2 accumulated time of state, have off status 2
Related data reset backed off after random operation, conversely, then detect the condition whether external world's input signal meets state 2, if satisfied,
Then 2 duration of accumulated state, and judge the duration it is accumulative whether>Predetermined value 10S, if not satisfied, then exiting operation.
If 2 duration of state is accumulative>Predetermined value 10S then obtains 2 parameter of state；It then calculates and closes member 0.5L, Un,
The corresponding extraneous input signal arrival times of 100%Ib (hereinafter referred to as state 3), i.e., state 2 arrives 3 interval time of state, and sentences
Whether the state 2 of breaking arrives 3 interval time of state>Setting value 1min, if so, by state 2 to 3 accumulated time of state, related shape
The related data of state 3 resets backed off after random operation, conversely, the condition whether external world's input signal meets state 3 is then detected, if full
Foot, then 3 duration of accumulated state, and judge the duration it is accumulative whether>Predetermined value 10S, if not satisfied, then exiting behaviour
Make.
If 3 duration of state is accumulative>Predetermined value 10S then obtains 3 parameter of state, and twin-core electric energy meter obtains successively at this time
First close first state, second close first state, third closes first state, i.e., obtain state 1, state 2,3 parameter of state successively, then
Just switch into laboratory pattern.
Certainly, for different twin-core electric energy meters, the corresponding parameter of conjunction member is different, so, another style
Twin-core electric energy meter, then state 1, state 2,3 corresponding parameter of state can close 1.0, Un, 100%In of member respectively；Member 1.0 is closed,
Un, 1%In；Close member 0.5L, Un, 100%In.
After twin-core electric energy meter enters laboratory pattern, in addition to operation can be zeroed out to the data in metering core, also
Metering core can be programmed, be arranged the time, record school when and reset logout.
The method for managing security further includes working as to detect that the twin-core electric energy meter enters the retention time of laboratory pattern
It when more than threshold value or has detected when exiting command, has controlled the twin-core electric energy meter and exit laboratory pattern, into operational mode,
It refers to and shown in Fig. 3 exits flow chart.The threshold value can for 24 hours, be can also be other numerical value, can specifically select according to actual needs
Select setting.Described exit command can be the growth data frame for meeting DL/T698 agreements, be convenient for ammeter producer Uniting in this way
Or it is suitably extended.The growth data frame composed structure such as following table of DL/T698 agreements：
| Bebinning character (68H) |
| Length field L |
| Control domain C |
| Address field A |
| Frame head verifies HCS |
| Link user data |
| Frame check FCS |
| Termination character (16H) |
If twin-core electric energy meter is in operational mode, i.e. linked network state, then to metering core be only capable of carry out clock setting, and this when
Clock setting includes that extraneous client computer establishes application connection, after certification passes through, the management by managing the ESAM authentication modes of core
Core receives legal clock setting order, and clock setting is carried out to the metering core using clear-text way, specific as shown in Figure 4.It should
Setting command under kind situation is obtained by ESAM decryption and mac authentication；Certainly, when the twin-core electric energy meter is in operational mode
When, moreover it is possible to mode carries out clock setting when by broadcasting school.
Twin-core electric energy meter is designed to laboratory pattern and operational mode, and is allowed into line number under the pattern of laboratory
It according to clear operation, and is only capable of carrying out the read operation of clock setting and data in the operating mode, had both met China's electric energy in this way
Table manages market, and can ensure the data legal system of electric energy meter relatively, complies with the requirement of IR46 standards, ensure that the peace of data
Quan Xing.
Other than above-mentioned improvement, other similar improvement are also contained in the improvement threshold of the present invention, are not just existed herein
It repeats.Although an embodiment of the present invention has been shown and described, it will be appreciated by those skilled in the art that：The present invention is not being departed from
Principle and objective in the case of can to these embodiments carry out it is a variety of variation, modification, replace and deformation, the scope of the present invention
It is limited by claim and its equivalent.
Claims (12)
1. a kind of twin-core electric energy meter method for managing security, it is characterised in that：
The corresponding twin-core electric energy meter of the method has operational mode and laboratory pattern；
Detect pattern residing for current twin-core electric energy meter；
If detecting, current twin-core electric energy meter is in operational mode, controls metering core and is only capable of carrying out clock setting, externally only real
Existing read operation；
If detecting, current twin-core electric energy meter is in laboratory pattern, and metering core is allowed to carry out zeros data operation.
2. twin-core electric energy meter method for managing security according to claim 1, it is characterised in that：The method for managing security is adopted
The twin-core electric energy meter, which is controlled, with following manner enters laboratory pattern,
Judge whether the twin-core electric energy meter obtains the first state of the first conjunction, the first state of the second conjunction, third and close member state successively；
If so, controlling the twin-core electric energy meter switches to laboratory pattern, conversely, not allowing access into laboratory pattern then.
3. twin-core electric energy meter method for managing security according to claim 2, it is characterised in that：The method for managing security is also
Including,
Before the twin-core electric energy meter obtains the first state of corresponding conjunction, also detect whether extraneous input signal meets corresponding conjunction
First status condition；
If satisfied, the corresponding acquisition operation for closing first state is then carried out, conversely, then exiting operation.
4. twin-core electric energy meter method for managing security according to claim 3, it is characterised in that：The method for managing security is also
Including,
It is next right into whether the extraneous input signal of detection meets after completing the first state of previous corresponding conjunction and obtaining operation
Before the conjunction member status condition answered, also calculate and next corresponding arrival for closing the compatible extraneous input signal of first state
Time, and judge whether the arrival time is greater than the set value；
If so, the arrival time of calculating and next corresponding related data for closing first state are reset backed off after random operation, instead
Then detect whether extraneous input signal meets the first status condition of next corresponding conjunction.
5. twin-core electric energy meter method for managing security according to claim 4, it is characterised in that：The acquisition operates,
Judge whether the corresponding duration for closing first state is more than predetermined value, if so, obtaining the first state of corresponding conjunction, instead
It, then be back to whether the extraneous input signal of detection meets the corresponding operation for closing first status condition.
6. twin-core electric energy meter method for managing security according to claim 2, it is characterised in that：Described first closes first state pair
It is 1.0, Un, 100%Ib to answer parameter；Second, which closes first state, corresponds to parameter as 1.0, Un, 1%Ib；Third closes first state and corresponds to ginseng
Number is 0.5L, Un, 100%Ib.
7. twin-core electric energy meter method for managing security according to claim 2, it is characterised in that：Described first closes first state pair
It is 1.0, Un, 100%In to answer parameter；Second, which closes first state, corresponds to parameter as 1.0, Un, 1%In；Third closes first state and corresponds to ginseng
Number is 0.5L, Un, 100%In.
8. twin-core electric energy meter method for managing security according to claim 1, it is characterised in that：The twin-core electric energy meter enters
After the pattern of laboratory, moreover it is possible to the metering core is programmed, be arranged the time, record school when and reset logout.
9. twin-core electric energy meter method for managing security according to claim 5, it is characterised in that：The method for managing security is also
Including,
When the retention time for detecting that the twin-core electric energy meter enters laboratory pattern is more than threshold value or detects and exit life
When enabling, controls the twin-core electric energy meter and exit laboratory pattern, into operational mode.
10. twin-core electric energy meter method for managing security according to claim 1, it is characterised in that：The clock setting includes,
When the twin-core electric energy meter is in operational mode, extraneous client computer establishes application by managing the ESAM authentication modes of core
Connection, after certification passes through, the management core receives legal clock setting order, when being carried out to the metering core using clear-text way
Clock is arranged.
11. twin-core electric energy meter method for managing security according to claim 10, it is characterised in that：The legal clock setting
Order is obtained by ESAM decryption and mac authentication；When the twin-core electric energy meter is in operational mode, moreover it is possible to by broadcasting school when side
Formula carries out clock setting.
12. twin-core electric energy meter method for managing security according to claim 9, it is characterised in that：The setting value value
1min, the predetermined value value 2-10s；The threshold value is for 24 hours；It is described to exit command to meet the spreading number of DL/T698 agreements
According to frame.
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| CN201810048124.5A CN108318721B (en) | 2018-01-18 | 2018-01-18 | Safety management method for double-core electric energy meter |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810048124.5A CN108318721B (en) | 2018-01-18 | 2018-01-18 | Safety management method for double-core electric energy meter |
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| CN111722009A (en) * | 2020-05-29 | 2020-09-29 | 宁波三星医疗电气股份有限公司 | Modular electric energy meter and data interchange method thereof |
| CN112395012A (en) * | 2020-11-03 | 2021-02-23 | 南方电网数字电网研究院有限公司 | Data clearing method and device based on double-core intelligent electric meter and computer equipment |
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| CN112395012A (en) * | 2020-11-03 | 2021-02-23 | 南方电网数字电网研究院有限公司 | Data clearing method and device based on double-core intelligent electric meter and computer equipment |
| CN112395012B (en) * | 2020-11-03 | 2024-02-27 | 南方电网数字电网科技(广东)有限公司 | Data emptying method and device based on double-core intelligent ammeter and computer equipment |
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| CN108318721B (en) | 2021-03-23 |
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