CN110111496A - A kind of local charge control electric energy meter takes the change method of control data - Google Patents
A kind of local charge control electric energy meter takes the change method of control data Download PDFInfo
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- CN110111496A CN110111496A CN201910271882.8A CN201910271882A CN110111496A CN 110111496 A CN110111496 A CN 110111496A CN 201910271882 A CN201910271882 A CN 201910271882A CN 110111496 A CN110111496 A CN 110111496A
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- local charge
- charge control
- key
- electric energy
- energy meter
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Classifications
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07F—COIN-FREED OR LIKE APPARATUS
- G07F15/00—Coin-freed apparatus with meter-controlled dispensing of liquid, gas or electricity
- G07F15/06—Coin-freed apparatus with meter-controlled dispensing of liquid, gas or electricity with means for prepaying basic charges, e.g. rent for meters
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07F—COIN-FREED OR LIKE APPARATUS
- G07F15/00—Coin-freed apparatus with meter-controlled dispensing of liquid, gas or electricity
- G07F15/08—Coin-freed apparatus with meter-controlled dispensing of liquid, gas or electricity with means for varying the tariff or changing the price
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
- Y02T90/167—Systems integrating technologies related to power network operation and communication or information technologies for supporting the interoperability of electric or hybrid vehicles, i.e. smartgrids as interface for battery charging of electric vehicles [EV] or hybrid vehicles [HEV]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S30/00—Systems supporting specific end-user applications in the sector of transportation
- Y04S30/10—Systems supporting the interoperability of electric or hybrid vehicles
- Y04S30/12—Remote or cooperative charging
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
Abstract
The present invention relates to a kind of change method that local charge control electric energy meter takes control data, solution is that more expense controls the complicated inconvenient technical problem of data in, and by using step 1, long-range sale of electricity expense control management end and local charge control bluetooth electric card establish bluetooth connection;Step 2, expense control data are encrypted by the security authentication module for data storage and safety certification;Step 3, the encrypted control data of taking of step 2 are passed through into bluetooth communication write-in local charge control bluetooth electric card;Step 4, local charge control bluetooth electric card disconnects the bluetooth connection with long-range sale of electricity expense control end, resettles the bluetooth connection with local charge control electric energy meter;Step 5, control data will be taken through Bluetooth transmission into local charge control electric energy meter in local charge control bluetooth electric card, and judgement is decrypted to expense control data by security authentication module identical with step 2;Step 6, local charge control electric energy meter preferably resolves the problem, can be used in intelligent electric meter to the technical solution for taking control data operation processing.
Description
Technical field
The present invention relates to intelligent electric meter fields, and in particular to a kind of local charge control electric energy meter takes the change method of control data.
Background technique
Intelligent electric meter is the intelligent terminal of smart grid, it is not traditional electric energy meter, and intelligent electric meter removes
Have other than the function of measuring of traditional electric energy meter basic electricity consumption, in order to adapt to also having using it for smart grid and new energy
There are two-way a variety of rate function of measuring, user terminal control function, the bidirectional data communication function of plurality of data transmission modes, thief-proof
The intelligentized function such as Electricity Functional, intelligent electric meter represent the development of following energy-conserving intelligent power grid end user's intelligent terminal
Direction.
In the power system, the local charge control system of electric instrument pays the electrical management of power grid and the electricity consumption of user
There is important data supporting.Local charge control electric energy meter is the electric energy meter that expense control function is locally realized in intelligent electric energy meter.It is local
The solid state mediums such as expense control electric energy meter support CPU card, radio-frequency card are supplemented with money and parameter setting, while also supporting to pass through virtual medium
It is long-range realize supplement with money, the electric energy meter of parameter setting and control function, i.e., local pre-payment and remote pre-payment are local charge control electricity
Two kinds of prepayment modes possessed by energy table, the expense control function of local charge control electric energy meter is realized inside intelligent electric energy meter
's.
Current local charge control electric energy meter carries out expense control data interaction using CPU card and radio-frequency card, needs CPU card and radio frequency
Card is closely accurately contacted with local charge control electric energy meter, when in use to the installation site and environmental requirement of local charge control electric energy meter
It is high;Need to reserve fixed and contact function card slot, poor sealing simultaneously in local charge control electric energy meter.
Summary of the invention
The technical problem to be solved by the present invention is to local charge control electric energy meter is changed in use existing in the prior art
Take the complicated technical problem of control.A kind of change method of new local charge control electric energy meter expense control data, local charge control electricity are provided
The change method that energy table takes control data has the characteristics that convenient and efficient.
In order to solve the above technical problems, the technical solution adopted is as follows:
A kind of local charge control electric energy meter takes the change method of control data, and the local charge control electric energy meter takes the change of control data
Method includes:
Step 1, long-range sale of electricity expense control management end and local charge control bluetooth electric card establish bluetooth connection;
Step 2, expense control data are encrypted by the security authentication module for data storage and safety certification;
Step 3, the encrypted control data of taking of step 2 are passed through into bluetooth communication write-in local charge control bluetooth electric card;
Step 4, local charge control bluetooth electric card disconnects the bluetooth connection that end is controlled with long-range sale of electricity expense, resettles and local charge control
The bluetooth connection of electric energy meter;
Step 5, control data will be taken through Bluetooth transmission into local charge control electric energy meter in local charge control bluetooth electric card, and
Judgement is decrypted to expense control data by security authentication module identical with step 2;
Step 6, local charge control electric energy meter carries out calculation process to the expense control data that step 5 decrypts and completes expense control data control
System.
The working principle of the invention: sale of electricity expense control management end and local charge control bluetooth electric card establish bluetooth connection, will take control
In system processor corresponding data through safety certification module interaction authentication after, be stored in local charge control bluetooth electric card
In data storage.Local charge control intelligent meter and local charge control bluetooth electric card establish bluetooth connection, by local charge control bluetooth electric card
Data storage in corresponding data through safety certification module interaction authentication after, be stored in local charge control intelligent meter
In data storage.The present invention uses blue-tooth technology, increases communication distance, improves user's smart grid Experience Degree;Simultaneously
Cancel card slot firmware, increase the leakproofness of local charge control electric energy meter, improve dustproof and waterproof humidity resistance, enhances local charge control electric energy
Table life of product.
In above scheme, for optimization, further, the security authentication module is embedded safety module ESAM.
Further, the embedded safety module ESAM includes: using fusion Encryption Algorithm, the fusion Encryption Algorithm
Step A is received in plain text as unit of 128bit plaintext, 128bit is divided into 16 bytes in plain text;
Step B defines initial 16 code keys, using initial 16 code keys as source, is obtained using 16 key transformation algorithms
Sub-key Ki, i are the positive integer greater than 1;Sub-key is carried out using RSA Algorithm it is secondary with key, to the secondary key with after key
Information executes RSA signature and certification, obtains RSA key;
Step C, enables i=1, and key Ki and current byte are carried out XOR operation, obtain pre-transform ciphertext;
Step D, enables i=i+1, and key Ki is injected, and selects in finite field gf (28) on utilize nodulo-2 addition affine transformation
S box is constructed, nonlinear S box is recycled to realize the replacement of current state;
Step E stores random file amount by each row of current byte according to random file amount cyclic shift;
Current byte is defined as finite field gf (2 by step F8) on multinomial, then in finite field gf (28) in it is solid
Determine polynomial multiplications, then obtained code word and fixed codeword are done into XOR operation;
Step G, judges the size of i, when i < 11, returns to step C- step F;When i=11, C- is returned to step
Step E, and skip step F;When i > 11, stop encryption, exports encrypted result;
The RSA key of step B and the encrypted result of step G are sent simultaneously, and are prepared to enter into and encrypt next time by step H.
Further, 16 keys transformation algorithm includes:
Step a, initial 16 code keys carry out ring shift right, and ring shift right obtains pretreatment key;
Initial 16 code keys of the pretreatment key of step a and step 1 are carried out XOR operation, obtain being transformed close by step b
Key;
Step c updates the transformation key that initial 16 code keys are step b;
Step d repeats step a- step c, until transformation key finishes.
Beneficial effects of the present invention: the expense for providing a kind of local charge control electric energy meter of change in use controls defeated method,
The expense control parameter that can according to need change local charge control electric energy meter when use is the preset electricity expense control parameter or progress of power grid
Expense control is supplemented with money, and the direct contact of CPU card is not needed, simple and convenient, while cancelling the CPU card notch in local charge control electric energy meter,
Enhance the dustproof and waterproof performance of local charge control electric energy meter, improves the service life of local charge control electric energy meter.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1, sale of electricity expense control management end and local charge control bluetooth electric card take control data interaction system schematic diagram.
Fig. 2, local charge control intelligent meter and local charge control bluetooth electric card take control data interaction system schematic diagram.
Fig. 3 merges Encryption Algorithm schematic diagram.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to embodiments, to the present invention
It is further elaborated.It should be appreciated that described herein, specific examples are only used to explain the present invention, is not used to limit
The fixed present invention.
Embodiment 1
The present embodiment provides a kind of change method that local charge control electric energy meter takes control data, the local charge control electric energy meter takes
Control data change method include:
Step 1, long-range sale of electricity expense control management end and local charge control bluetooth electric card establish bluetooth connection;
Step 2, expense control data are encrypted by the security authentication module for data storage and safety certification;
Step 3, the encrypted control data of taking of step 2 are passed through into bluetooth communication write-in local charge control bluetooth electric card;
Step 4, local charge control bluetooth electric card disconnects the bluetooth connection that end is controlled with long-range sale of electricity expense, resettles and local charge control
The bluetooth connection of electric energy meter;
Step 5, control data will be taken through Bluetooth transmission into local charge control electric energy meter in local charge control bluetooth electric card, and
Judgement is decrypted to expense control data by security authentication module identical with step 2;
Step 6, local charge control electric energy meter carries out calculation process to the expense control data that step 5 decrypts and completes expense control data control
System.
Such as Fig. 1, sale of electricity expense control management end and local charge control bluetooth electric card in the present embodiment establish bluetooth connection, will take control
In system processor corresponding data through safety certification module interaction authentication after, be stored in local charge control bluetooth electric card
In data storage.
Such as Fig. 2, local charge control intelligent meter and local charge control bluetooth electric card establish bluetooth connection, by local charge control bluetooth electric card
Data storage in corresponding data through safety certification module interaction authentication after, be stored in local charge control intelligent meter
In data storage.
Current local charge control electric energy meter carries out expense control data interaction using CPU card and radio-frequency card, needs CPU card and radio frequency
Card is closely accurately contacted with local charge control electric energy meter, when in use to the installation site and environmental requirement of local charge control electric energy meter
It is high;Need to reserve fixed and contact function card slot, poor sealing simultaneously in local charge control electric energy meter.The present embodiment is not
It needs to release change expense control data, while cancelling card slot firmware, increase the leakproofness of local charge control electric energy meter, improve dustproof and waterproof
Humidity resistance enhances local charge control electric energy meter life of product.
Specifically, the embodiment of the present invention security authentication module is embedded safety module ESAM.Embedded safety module
ESAM is generally adopted as the close SM1 algorithm of state, 3DES algorithm, existing Encryption Algorithm confidentiality.
Preferably, such as Fig. 3, the embedded safety module ESAM is using fusion Encryption Algorithm, the fusion Encryption Algorithm
Include:
Step A is received in plain text as unit of 128bit plaintext, 128bit is divided into 16 bytes in plain text;
Step B defines initial 16 code keys, using initial 16 code keys as source, is obtained using 16 key transformation algorithms
Sub-key Ki, i are the positive integer greater than 1;Sub-key is carried out using RSA Algorithm it is secondary with key, to the secondary key with after key
Information executes RSA signature and certification, obtains RSA key;
Step C, enables i=1, and key Ki and current byte are carried out XOR operation, obtain pre-transform ciphertext;
Step D, enables i=i+1, and key Ki is injected, and selects in finite field gf (28) on utilize nodulo-2 addition affine transformation
S box is constructed, nonlinear S box is recycled to realize the replacement of current state;
Step E stores random file amount by each row of current byte according to random file amount cyclic shift;
Current byte is defined as finite field gf (2 by step F8) on multinomial, then in finite field gf (28) in it is solid
Determine polynomial multiplications, then obtained code word and fixed codeword are done into XOR operation;
Step G, judges the size of i, when i < 11, returns to step C- step F;When i=11, C- is returned to step
Step E, and skip step F;When i > 11, stop encryption, exports encrypted result;
The RSA key of step B and the encrypted result of step G are sent simultaneously, and are prepared to enter into and encrypt next time by step H.
The present embodiment realizes taking into account for high confidentiality and efficiency by the secondary encryption of randomness and key for key.
Specifically, 16 keys transformation algorithm includes:
Step a, initial 16 code keys carry out ring shift right, and ring shift right obtains pretreatment key;
Initial 16 code keys of the pretreatment key of step a and step 1 are carried out XOR operation, obtain being transformed close by step b
Key;
Step c updates the transformation key that initial 16 code keys are step b;
Step d repeats step a- step c, until transformation key finishes.
Although the illustrative specific embodiment of the present invention is described above, in order to the technology of the art
Personnel are it will be appreciated that the present invention, but the present invention is not limited only to the range of specific embodiment, to the common skill of the art
For art personnel, as long as long as various change the attached claims limit and determine spirit and scope of the invention in, one
The innovation and creation using present inventive concept are cut in the column of protection.
Claims (4)
1. a kind of change method that local charge control electric energy meter takes control data, it is characterised in that: the local charge control electric energy meter takes control
The change method of data includes:
Step 1, long-range sale of electricity expense control management end and local charge control bluetooth electric card establish bluetooth connection;
Step 2, expense control data are encrypted by the security authentication module for data storage and safety certification;
Step 3, the encrypted control data of taking of step 2 are passed through into bluetooth communication write-in local charge control bluetooth electric card;
Step 4, local charge control bluetooth electric card disconnects the bluetooth connection with long-range sale of electricity expense control end, resettles and local charge control electric energy
The bluetooth connection of table;
Step 5, control data will be taken through Bluetooth transmission into local charge control electric energy meter in local charge control bluetooth electric card, and passed through
Judgement is decrypted to expense control data in security authentication module identical with step 2;
Step 6, local charge control electric energy meter carries out calculation process to the expense control data that step 5 decrypts and completes expense control data control.
2. the change method that local charge control electric energy meter according to claim 1 takes control data, it is characterised in that: the safety
Authentication module is embedded safety module ESAM.
3. the change method that local charge control electric energy meter according to claim 2 takes control data, it is characterised in that: the insertion
Formula security module ESAM uses fusion Encryption Algorithm, and the fusion Encryption Algorithm includes:
Step A is received in plain text as unit of 128bit plaintext, 128bit is divided into 16 bytes in plain text;
Step B defines initial 16 code keys, and using initial 16 code keys as source, it is close to obtain son using 16 key transformation algorithms
Key Ki, i are the positive integer greater than 1;Sub-key is carried out using RSA Algorithm it is secondary with key, to the secondary key information with after key
RSA signature and certification are executed, RSA key is obtained;
Step C, enables i=1, and key Ki and current byte are carried out XOR operation, obtain pre-transform ciphertext;
Step D, enables i=i+1, and key Ki is injected, and selects in finite field gf (28) on using nodulo-2 addition affine transformation construct S
Box recycles nonlinear S box to realize the replacement of current state;
Step E stores random file amount by each row of current byte according to random file amount cyclic shift;
Current byte is defined as finite field gf (2 by step F8) on multinomial, then in finite field gf (28) in fixation it is more
Item formula is multiplied, then obtained code word and fixed codeword are done XOR operation;
Step G, judges the size of i, when i < 11, returns to step C- step F;When i=11, C- step is returned to step
E, and skip step F;When i > 11, stop encryption, exports encrypted result;
The RSA key of step B and the encrypted result of step G are sent simultaneously, and are prepared to enter into and encrypt next time by step H.
4. the change method that local charge control electric energy meter according to claim 3 takes control data, it is characterised in that: described 16
Algorithm is transformed in key
Step a, initial 16 code keys carry out ring shift right, and ring shift right obtains pretreatment key;
Initial 16 code keys of the pretreatment key of step a and step 1 are carried out XOR operation, obtain transformation key by step b;
Step c updates the transformation key that initial 16 code keys are step b;
Step d repeats step a- step c, until transformation key finishes.
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Cited By (1)
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CN114299665A (en) * | 2021-12-27 | 2022-04-08 | 成都长城开发科技有限公司 | Ammeter recharging platform, ammeter recharging system and method |
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