CN106406283A - Data management method of double controllers of intelligent electric energy meter - Google Patents
Data management method of double controllers of intelligent electric energy meter Download PDFInfo
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- CN106406283A CN106406283A CN201610939210.6A CN201610939210A CN106406283A CN 106406283 A CN106406283 A CN 106406283A CN 201610939210 A CN201610939210 A CN 201610939210A CN 106406283 A CN106406283 A CN 106406283A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
- G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
- G05B23/0259—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterized by the response to fault detection
- G05B23/0275—Fault isolation and identification, e.g. classify fault; estimate cause or root of failure
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/24—Pc safety
- G05B2219/24065—Real time diagnostics
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Abstract
The invention discloses a data management method of double controllers of an intelligent electric energy meter. The method comprises the steps that a management controller is powered on and reset and shakes hands with a metering controller; the management controller reads a pre-stored parameter and carries out parameter configuration on the metering controller; the management controller reads the metering data of the metering controller and judges legality; the management controller reads the operation parameter of the metering controller and judges legality. According to the method, through the steps of power-on set and handshake judgment, parameter configuration and judgment, metering data legality judgment and operation parameter legality judgment, the normal operation of the electric energy meter management controller and the metering controller and the reliability of metering data interaction are realized, and thus the accuracy, reliability and stability of the intelligent electric energy meter metering are ensured.
Description
Technical field
The invention belongs to electrical safety field is and in particular to a kind of data managing method of intelligent electric energy meter dual controller.
Background technology
Development with China's economic technology and the raising of people's living standard, intelligent grid has been widely used for people
Production and life among, brought endless facility.With the development of intelligent grid, intelligent electric energy meter also obtains
Greatly popularize.Meanwhile, the linked network quantity with electric energy meter sharply increases the increase with household electricity load, and the electricity charge become
For a very important great living expense of average family, therefore everybody increasingly improves to the degree of concern of intelligent electric energy meter.
As the meter specially of electricity metering, the accuracy of its metering, stability and reliability are intelligence to intelligent electric energy meter
The crucial performance assessment criteria of electric energy meter.At present, the dual controller in intelligent electric energy meter includes measurement controller and Management Controller, meter
Amount controller is responsible for electric energy metrical specially, and Management Controller is then responsible for other work(such as data management, the communication of intelligent electric energy meter
Energy.Redundancy backup before at present the data managing method of intelligent electric energy meter dual controller also rests on the several years, periodically than reciprocity
Outmoded technological phase, has been no longer desirable for the explosive increase developing rapidly data of current intelligent electric energy meter.
Content of the invention
It is an object of the invention to provide a kind of intelligent electric energy meter dual control that ensure that intelligent electric energy meter data reliability
The data managing method of device processed.
The data managing method of this intelligent electric energy meter dual controller disclosed by the invention, comprises the steps：
Management Controller electrification reset, and the step shaken hands with measurement controller；
Management Controller reads prestore parameter, and the step carrying out parameter configuration to measurement controller；
The step that Management Controller reads the continuous data of measurement controller and judges legitimacy；
The step that Management Controller reads the operational factor of measurement controller and judges legitimacy.
Described measurement controller electrification reset, and with the step that Management Controller is shaken hands, specifically include following sub-step：
A. Management Controller electrification reset after the completion of initializing, sends reset signal to measurement controller；
B., after Management Controller time delay special time, send handshake communication order to measurement controller again；
C. Management Controller judges whether successfully to shake hands according to return command of shaking hands：
If shaking hands successfully, measurement controller resets and completes；
If it is unsuccessful to shake hands, Management Controller continues to send handshake communication order, and calculates the number of times of handshake communication failure；
D. the handshake communication frequency of failure exceedes the number of times being previously set, Management Controller then repeat step A ~ step C, and records
The number of times repeating；
E number of repetition reaches the number of times being previously set, then Management Controller thinks measurement controller fault, and sends warning.
Described Management Controller reads prestore parameter, and the step carrying out parameter configuration to measurement controller, concrete bag
Include following sub-step：
A. Management Controller and measurement controller are shaken hands after success, Management Controller according to the register address of measurement controller,
Obtain the correct parameter of this depositor from data storage area, parameter is carried out with the framing of tape verifying sum, then is written into meter
In corresponding address in amount controller；
B., after the parameter read-in success of measurement controller, Management Controller returns from the corresponding depositor of measurement controller again
Read corresponding parameter, and the data of retaking of a year or grade is compared with the correct parameter prestoring：
If the comparing of retaking of a year or grade is errorless, Management Controller carries out parameter configuration to the next depositor of measurement controller；
If the comparing of retaking of a year or grade is wrong, Management Controller repeat step a ~ step b is until the comparing of retaking of a year or grade is errorless.
The step that described Management Controller reads the continuous data of measurement controller and judges legitimacy, specifically include as
Lower sub-step：
1）Management Controller is according to sequential pre-determined with measurement controller it would be desirable to the depositing of measurement controller read
Device address carries out framing and is written in measurement controller, and then retaking of a year or grade takes the data in this address under measurement controller；
2）The data of this address is carried out shadow latch by measurement controller：Store in the depositor of a fixation, and fall clearly
In measurement controller, the data in address is read by this institute；
3）Management Controller again reads off the data in shadow register, and by the data read from shadow register with from
The data read in measurement controller is compared：
If the comparing of twi-read is errorless, assert that the data that this is read is valid data；
If the comparing of twi-read is wrong, assert that the data that this is read is invalid data, give up this invalid data, and
Carry out following cycle digital independent link.
The step that described Management Controller reads the operational factor of measurement controller and judges legitimacy, specifically include as
Lower sub-step：
1.. when the control program of intelligent electric energy meter is normally run, measurement controller carries out real-time school to critical operational parameters
Test；
2.. Management Controller periodically reads the check results of measurement controller, and the verification knot by check results and prior setting
Fruit is compared：
If compare errorless then it is assumed that measurement controller normal operation；
If comparing wrong, Management Controller repeats to read the check results of measurement controller；
If 3.. the continuous check errors several times of check results to measurement controller for the Management Controller, assert measurement controller
Operational factor mistake.
Described measurement controller is verified in real time to critical operational parameters, specially adopts CRC check.
The data managing method of this intelligent electric energy meter dual controller that the present invention provides, is sentenced with shaking hands by electrification reset
Disconnected, parameter configuration and the step such as judgement, continuous data validity judgement and operational factor validity judgement are it is achieved that electric energy meter pipe
The reliability that reason controller is interacted with normal operation and the continuous data of measurement controller, so that it is guaranteed that intelligent electric energy meter metering
Accuracy, reliability and stability.
Brief description
Fig. 1 is the overview flow chart of the inventive method.
Fig. 2 is the Management Controller electrification reset of the present invention the sub-process block diagram shaken hands with measurement controller.
Fig. 3 is that the Management Controller of the present invention reads and prestores parameter and measurement controller is carried out with the sub-process of parameter configuration
Block diagram.
Fig. 4 is that the Management Controller of the present invention reads the continuous data of measurement controller and judges the sub-process frame of legitimacy
Figure.
Fig. 5 is that the Management Controller of the present invention reads the operational factor of measurement controller and judges the sub-process frame of legitimacy
Figure.
Specific embodiment
It is illustrated in figure 1 the overview flow chart of the inventive method：This intelligent electric energy meter dual controller disclosed by the invention
Data managing method, including following four steps：
Management Controller electrification reset, and the step shaken hands with measurement controller；
Management Controller reads prestore parameter, and the step carrying out parameter configuration to measurement controller；
The step that Management Controller reads the continuous data of measurement controller and judges legitimacy；
The step that Management Controller reads the operational factor of measurement controller and judges legitimacy.
The sub-process block diagram being illustrated in figure 2 the Management Controller electrification reset of the present invention and shaking hands with measurement controller：
Measurement controller electrification reset and with the step that Management Controller is shaken hands, specifically include following sub-step：
A. Management Controller electrification reset after the completion of initializing, sends reset signal to measurement controller；
B., after Management Controller time delay special time, send handshake communication order to measurement controller again；
C. Management Controller judges whether successfully to shake hands according to return command of shaking hands：
If shaking hands successfully, measurement controller resets and completes；
If it is unsuccessful to shake hands, Management Controller continues to send handshake communication order, and calculates the number of times of handshake communication failure；
D. the handshake communication frequency of failure exceedes the number of times being previously set, Management Controller then repeat step A ~ step C, and records
The number of times repeating；
E number of repetition reaches the number of times being previously set, then Management Controller thinks measurement controller fault, and sends warning.
The Management Controller being illustrated in figure 3 the present invention reads the parameter carry out parameter configuration to measurement controller of prestoring
Sub-process block diagram：Management Controller reads prestore parameter the step that carries out parameter configuration to measurement controller, specifically include as
Lower sub-step：
A. Management Controller and measurement controller are shaken hands after success, Management Controller according to the register address of measurement controller,
Obtain the correct parameter of this depositor from data storage area, parameter is carried out with the framing of tape verifying sum, then is written into meter
In corresponding address in amount controller；
B., after the parameter read-in success of measurement controller, Management Controller returns from the corresponding depositor of measurement controller again
Read corresponding parameter, and the data of retaking of a year or grade is compared with the correct parameter prestoring：
If the comparing of retaking of a year or grade is errorless, Management Controller carries out parameter configuration to the next depositor of measurement controller；
If the comparing of retaking of a year or grade is wrong, Management Controller repeat step a ~ step b is until the comparing of retaking of a year or grade is errorless.
The Management Controller being illustrated in figure 4 the present invention reads the continuous data of measurement controller and judges the son of legitimacy
FB(flow block)：The step that Management Controller reads the continuous data of measurement controller and judges legitimacy, specifically includes following son
Step：
1）Management Controller is according to sequential pre-determined with measurement controller it would be desirable to the depositing of measurement controller read
Device address carries out framing and is written in measurement controller, and then retaking of a year or grade takes the data in this address under measurement controller；
2）The data of this address is carried out shadow latch by measurement controller：Store in the depositor of a fixation, and fall clearly
In measurement controller, the data in address is read by this institute；
3）Management Controller again reads off the data in shadow register, and by the data read from shadow register with from
The data read in measurement controller is compared：
If the comparing of twi-read is errorless, assert that the data that this is read is valid data；
If the comparing of twi-read is wrong, assert that the data that this is read is invalid data, give up this invalid data, and
Carry out following cycle digital independent link.
The Management Controller being illustrated in figure 5 the present invention reads the operational factor of measurement controller and judges the son of legitimacy
FB(flow block)：The step that Management Controller reads the operational factor of measurement controller and judges legitimacy, specifically includes following son
Step：
1.. when the control program of intelligent electric energy meter is normally run, measurement controller is verified in real time to critical operational parameters
（Such as CRC check）；
2.. Management Controller periodically reads the check results of measurement controller, and the verification knot by check results and prior setting
Fruit is compared：
If compare errorless then it is assumed that measurement controller normal operation；
If comparing wrong, Management Controller repeats to read the check results of measurement controller；
If 3.. the continuous check errors several times of check results to measurement controller for the Management Controller, assert measurement controller
Operational factor mistake.
Claims (9)
1. a kind of data managing method of intelligent electric energy meter dual controller, comprises the steps：
Management Controller electrification reset, and the step shaken hands with measurement controller；
Management Controller reads prestore parameter, and the step carrying out parameter configuration to measurement controller；
The step that Management Controller reads the continuous data of measurement controller and judges legitimacy；
The step that Management Controller reads the operational factor of measurement controller and judges legitimacy.
2. the data managing method of intelligent electric energy meter dual controller according to claim 1 is it is characterised in that described meter
Amount controller electrification reset, and with the step that Management Controller is shaken hands, specifically include following sub-step：
A. Management Controller electrification reset after the completion of initializing, sends reset signal to measurement controller；
B., after Management Controller time delay special time, send handshake communication order to measurement controller again；
C. Management Controller judges whether successfully to shake hands according to return command of shaking hands：
If shaking hands successfully, measurement controller resets and completes；
If it is unsuccessful to shake hands, Management Controller continues to send handshake communication order, and calculates the number of times of handshake communication failure；
D. the handshake communication frequency of failure exceedes the number of times being previously set, Management Controller then repeat step A ~ step C, and records
The number of times repeating；
E number of repetition reaches the number of times being previously set, then Management Controller thinks measurement controller fault, and sends warning.
3. the data managing method of intelligent electric energy meter dual controller according to claim 1 is it is characterised in that described pipe
Reason controller reads prestore parameter, and the step carrying out parameter configuration to measurement controller, specifically includes following sub-step：
A. Management Controller and measurement controller are shaken hands after success, Management Controller according to the register address of measurement controller,
Obtain the correct parameter of this depositor from data storage area, parameter is carried out with the framing of tape verifying sum, then is written into meter
In corresponding address in amount controller；
B., after the parameter read-in success of measurement controller, Management Controller returns from the corresponding depositor of measurement controller again
Read corresponding parameter, and the data of retaking of a year or grade is compared with the correct parameter prestoring：
If the comparing of retaking of a year or grade is errorless, Management Controller carries out parameter configuration to the next depositor of measurement controller；
If the comparing of retaking of a year or grade is wrong, Management Controller repeat step a ~ step b is until the comparing of retaking of a year or grade is errorless.
4. the data managing method of intelligent electric energy meter dual controller according to claim 2 is it is characterised in that described pipe
Reason controller reads prestore parameter, and the step carrying out parameter configuration to measurement controller, specifically includes following sub-step：
A. Management Controller and measurement controller are shaken hands after success, Management Controller according to the register address of measurement controller,
Obtain the correct parameter of this depositor from data storage area, parameter is carried out with the framing of tape verifying sum, then is written into meter
In corresponding address in amount controller；
B., after the parameter read-in success of measurement controller, Management Controller returns from the corresponding depositor of measurement controller again
Read corresponding parameter, and the data of retaking of a year or grade is compared with the correct parameter prestoring：
If the comparing of retaking of a year or grade is errorless, Management Controller carries out parameter configuration to the next depositor of measurement controller；
If the comparing of retaking of a year or grade is wrong, Management Controller repeat step a ~ step b is until the comparing of retaking of a year or grade is errorless.
5. the data managing method of intelligent electric energy meter dual controller according to claim 1 is it is characterised in that described pipe
The step that reason controller reads the continuous data of measurement controller and judges legitimacy, specifically includes following sub-step：
1）Management Controller is according to sequential pre-determined with measurement controller it would be desirable to the depositing of measurement controller read
Device address carries out framing and is written in measurement controller, and then retaking of a year or grade takes the data in this address under measurement controller；
2）The data of this address is carried out shadow latch by measurement controller：Store in the depositor of a fixation, and fall clearly
In measurement controller, the data in address is read by this institute；
3）Management Controller again reads off the data in shadow register, and by the data read from shadow register with from
The data read in measurement controller is compared：
If the comparing of twi-read is errorless, assert that the data that this is read is valid data；
If the comparing of twi-read is wrong, assert that the data that this is read is invalid data, give up this invalid data, and
Carry out following cycle digital independent link.
6. the data managing method of intelligent electric energy meter dual controller according to claim 4 is it is characterised in that described pipe
The step that reason controller reads the continuous data of measurement controller and judges legitimacy, specifically includes following sub-step：
1）Management Controller is according to sequential pre-determined with measurement controller it would be desirable to the depositing of measurement controller read
Device address carries out framing and is written in measurement controller, and then retaking of a year or grade takes the data in this address under measurement controller；
2）The data of this address is carried out shadow latch by measurement controller：Store in the depositor of a fixation, and fall clearly
In measurement controller, the data in address is read by this institute；
3）Management Controller again reads off the data in shadow register, and by the data read from shadow register with from
The data read in measurement controller is compared：
If the comparing of twi-read is errorless, assert that the data that this is read is valid data；
If the comparing of twi-read is wrong, assert that the data that this is read is invalid data, give up this invalid data, and
Carry out following cycle digital independent link.
7. the data managing method of intelligent electric energy meter dual controller according to claim 1 is it is characterised in that described pipe
The step that reason controller reads the operational factor of measurement controller and judges legitimacy, specifically includes following sub-step：
1.. when the control program of intelligent electric energy meter is normally run, measurement controller carries out real-time school to critical operational parameters
Test；
2.. Management Controller periodically reads the check results of measurement controller, and the verification knot by check results and prior setting
Fruit is compared：
If compare errorless then it is assumed that measurement controller normal operation；
If comparing wrong, Management Controller repeats to read the check results of measurement controller；
If 3.. the continuous check errors several times of check results to measurement controller for the Management Controller, assert measurement controller
Operational factor mistake.
8. the data managing method of intelligent electric energy meter dual controller according to claim 6 is it is characterised in that described pipe
The step that reason controller reads the operational factor of measurement controller and judges legitimacy, specifically includes following sub-step：
1.. when the control program of intelligent electric energy meter is normally run, measurement controller carries out real-time school to critical operational parameters
Test；
2.. Management Controller periodically reads the check results of measurement controller, and the verification knot by check results and prior setting
Fruit is compared：
If compare errorless then it is assumed that measurement controller normal operation；
If comparing wrong, Management Controller repeats to read the check results of measurement controller；
If 3.. the continuous check errors several times of check results to measurement controller for the Management Controller, assert measurement controller
Operational factor mistake.
9. the data managing method of the intelligent electric energy meter dual controller according to claim 7 or 8 is it is characterised in that described
Measurement controller is verified in real time to critical operational parameters, specially adopts CRC check.
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Cited By (2)
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| CN108445436A (en) * | 2018-03-01 | 2018-08-24 | 宁波迦南智能电气股份有限公司 | A kind of electric energy meter that twin-core operating status is mutually examined |
| CN108898743A (en) * | 2018-06-29 | 2018-11-27 | 宁波三星智能电气有限公司 | The illegal judgement and processing method of a kind of rate and relevant parameter |
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