CN103218876B - Information security management module of remote control intelligent electric energy meter - Google Patents
Information security management module of remote control intelligent electric energy meter Download PDFInfo
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Abstract
The invention discloses an information security management module of a remote control intelligent electric energy meter, which belongs to a management assistance device of the remote control intelligent electric energy meter. The information security management module comprises a processor, a first data interface, a second data interface and a FLASH memorizer, wherein the processor is respectively accessed to the first data interface, the second data interface and the FLASH memorizer. The information security management module disclosed by the invention is subjected to identity authentication while being subjected to data exchange with an electricity selling management system through a data transmission module, the legality of communication between the information security management module and the electricity selling management system can be ensured, and a terminal main controller of the remote control intelligent electric energy meter can be in communication with the outside just by means of the information security management module; and meanwhile, the information security management module disclosed by the invention has a simple structure, can be embedded in remote control intelligent electric energy meters of various types, can be compatible with the terminal main controller of the remote control intelligent electric energy meter through various communication transmission technologies and bus interfaces and can be seamlessly accessed to a power supply management system, distributed manufacturing and unified management of the remote control intelligent electric energy meter can be realized, and the application range is wide.
Description
Technical field
The present invention relates to a remote-control intelligent electric energy meter management aid, in particular, the present invention relates generally to a kind of information security management module of remote control intelligent electric energy meter.
Background technology
At present, remote-control intelligent electric meter development on market is scarcely out of swaddling-clothes, brand and kind are also in continuous increase, it is in wire transmission technology, Radio Transmission Technology, the security guarantee of management system for selling power etc. aspect is also immature, imperfection, and on the other hand remote-control intelligent electric meter needs real-time, safe and effectively to carry out exchanges data with the main website management system for selling power of Utilities Electric Co., therefore all there is risk out of control in remote-control intelligent electric meter and management system for selling power thereof.
Wire communication mode, the modes such as main employing Optical Fiber Transmission, data line transfer and power line transmission, these transmission modes all need the cable of complicated layout, in special geographical environment, these wirings can become quite difficulty, when cable go wrong or by people's reconfiguration after, data transmission security can not be guaranteed.Communication, main employing RF module, Zigbee module, WiFi module and bluetooth module etc. transmit, these wireless devices are easily subject to environmental interference in transmitting procedure, cause exchanges data mistake, when there is artificial destruction, data may be intercepted and captured, revised, and the security of data transmission can not be guaranteed.The management system for selling power of Utilities Electric Co. is still in the junior stage in addition, and comprise multiple subsystem, multiple subsystem all needs to carry out exchanges data with main system, often there is data transmission fault in these subsystems, causes the security that the data of remote-control intelligent electric meter and management system for selling power are transmitted can not be guaranteed.
When occurring that above-mentioned data transmission security can not be guaranteed, when there is no effective data verification means in remote-control intelligent electric meter terminal master controller, the identity of external data transmitting terminal can not get examining, data can not get effective verification, cause remote-control intelligent electric meter and main website management system for selling power out of control, therefore be necessary the management aid installing a kind of information security management in remote-control intelligent electric meter additional, realize information security management.
Summary of the invention
An object of the present invention is for above-mentioned deficiency, a kind of information security management module of remote control intelligent electric energy meter is provided, with problems such as the information security management of expecting to solve various types of remote-control intelligent electric energy meter and management system thereof in prior art can not be guaranteed, thus eliminate the risk of information security management in Utilities Electric Co.'s operation.
For solving above-mentioned technical matters, the present invention by the following technical solutions:
A kind of information security management module of remote control intelligent electric energy meter provided by the present invention, described information security management module comprises processor, the first data-interface, the second data-interface and FLASH memory, described processor accesses the first data-interface, the second data-interface and FLASH memory respectively, wherein:
Described first data-interface communicates with the unique data of data transmission module for performing remote-control intelligent electric energy meter, and transmits it to processor when receiving the external data coming from data transmission module; Described data transmission module directly receives the external data coming from long-range management system for selling power;
Described FLASH memory is for storing control in information security management module and documentor;
Described second data-interface is for performing the data communication between processor and remote-control intelligent energy meter terminal master controller, and described remote-control intelligent energy meter terminal master controller is used for performing the operation of corresponding table end according to the instruction of processor;
Described processor is used for when receiving the external data coming from the first data-interface, authentication is carried out to the management system for selling power sending external data, judge whether to obtain the encrypted packets in this external data, and send corresponding operational order by the second data-interface to remote-control intelligent energy meter terminal master controller according to the affairs comprised in data.
As preferably, further technical scheme is: described processor is used for when receiving the external data coming from the first data-interface, according to external data, authentication is carried out to management system for selling power, when authentication result is judged as legal, then encrypted packets is decrypted and completeness check, on the contrary the original state that then resets;
After data integrity verifying passes through, the validity of data is verified, on the contrary the original state that then resets;
After Validation of Data is passed through, pre-service is carried out to the affairs comprised in data, and from remote-control intelligent energy meter terminal master controller, obtain corresponding return message by the second data-interface, data transmission module is returned to by the first data-interface by after described return message encryption, then pre-processed results approved after effectively being confirmed and stored relevant operation information, and to remote-control intelligent energy meter terminal master controller transmit operation instruction; Otherwise then abandon pre-processed results or make caching process.
Further technical scheme is: preset agreement restrictive condition and multiple different cipher key procedures in described FLASH memory, for when the subsystem of information security management module classification different from management system for selling power respectively carries out exchanges data, processor according to the encryption key of external data compared with multiple cipher key procedures preset in FLASH memory, thus the identity of certification management system for selling power, and after encrypted packets deciphering and completeness check are passed through, according to the validity of agreement restrictive condition verification msg under current identity, judge whether to carry out pre-service to the affairs in data,
Described first data-interface also accesses IC information exchange module, for transmitting it to processor when receiving the external data coming from IC information exchange module, processor performs the verification identical with the external data coming from data transmission module to described external data.
Further technical scheme is: also comprise eeprom memory in described information security management module, described eeprom memory also accesses processor, for the associative operation information of storage of processor to remote-control intelligent energy meter terminal master controller, and processor is to the pre-processed results of affairs in external data.
Further technical scheme is: described processor is central processing unit or the single-chip microcomputer that can perform cryptographic algorithm; Described data transmission module is network communication module or bus communication module.
Further technical scheme is: the first described data-interface is network communication interface or bus interface.
Further technical scheme is: described network communication interface be at least in the middle of RF module interface, Zigbee module interface, WiFi module interface, bluetooth module interface, infrared module interface or Optical Fiber Transmission interface, data line transfer interface, power line transmission interface any one; Described bus interface be at least in the middle of Mbus bus interface, RS485 bus interface, CAN interface any one.
Further technical scheme is: the second described data-interface be at least in the middle of USART serial line interface, SPI serial line interface or I2C serial line interface any one.
Further technical scheme is: described information security management module also comprises encrypting module, described encrypting module access processor, for the multistage encryption and decryption to information security management module and management system for selling power, remote-control intelligent energy meter terminal master controller exchanges data, and the data encryption key that auxiliary processor obtains management system for selling power carries out authentication.
Further technical scheme is: described encrypting module is by the Advanced Encryption Standard in AES(cryptography, the abbreviation of English Advanced Encryption Standard) or the triple data encryption algorithm of 3DES(, English Triple Data Encryption Algorithm) mode carry out data encrypting and deciphering.
Compared with prior art, one of beneficial effect of the present invention is: information security management module carries out authentication when carrying out exchanges data by data transmission module and management system for selling power, ensure that the legitimacy of both communication, remote-control intelligent energy meter terminal master controller could must be communicated with outside by information security management module; Utilize different keys can realize the priority assignation of Utilities Electric Co.'s differentiated control, and adopt 3DES/AES multi-level encryption mode, make the security of key higher, and by upgrade key during download program cause for gossip in information security management module, avoid the risk that key exposure brings; By built-in data verifying program, ensure that the data of transmission are true, accurate, complete.A kind of information security management module of remote control intelligent electric energy meter structure provided by the present invention is simple simultaneously, can embed in various types of remote-control intelligent electric energy meter, by multiple communication transmission technology and bus interface compatible remote-control intelligent energy meter terminal master controller, and seamless access power supply management system, realize the dispersion of remote-control intelligent electric energy meter to manufacture, unified management, range of application is wide, and ensure the independence of Utilities Electric Co. on electric energy meter controls, and not by extraneous restriction.
Accompanying drawing explanation
Fig. 1 is for illustration of the information security management modular structure block diagram in the embodiment of the present invention;
Fig. 2 is for illustration of the information security management module application block diagram in the embodiment of the present invention;
Fig. 3 is for illustration of the management system block diagram in the embodiment of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention is further elaborated.
Shown in figure 1, one embodiment of the present of invention are a kind of information security management module of remote control intelligent electric energy meter, described information security management module comprises processor, the first data-interface, the second data-interface and FLASH memory, described processor accesses the first data-interface, the second data-interface and FLASH memory respectively, wherein:
The effect of above-mentioned first data-interface performs remote-control intelligent electric energy meter to communicate with the unique data of data transmission module, and transmit it to processor when receiving the external data coming from data transmission module; Described data transmission module directly receives the external data coming from long-range management system for selling power;
The effect of above-mentioned FLASH memory stores control in information security management module and documentor;
Shown in figure 1, the effect of above-mentioned second data-interface performs the data communication between processor and remote-control intelligent energy meter terminal master controller, and the effect of remote-control intelligent energy meter terminal master controller performs the operation of respective table end according to the instruction of processor;
The effect of above-mentioned processor is when receiving the external data coming from the first data-interface, authentication is carried out to the management system for selling power sending external data, judge whether to obtain encrypted packets in this external data, and send corresponding operational order by the second data-interface to remote-control intelligent energy meter terminal master controller according to the affairs comprised in data.
According to above-mentioned technical scheme, the technical matters that the present embodiment solves is the information security management module by above-mentioned composition structure, data retransmission is carried out between remote-control intelligent energy meter terminal master controller and management system for selling power, and give certification and encryption and decryption when forwarding, thus coordinate the intelligent electric energy meter of Utilities Electric Co. to terminal to manage, to eliminate the risk of information security management in Utilities Electric Co.'s operation.
And the Oscillator module shown in Fig. 1 and pin XIN, XOUT provide clock signal to information security management module; RAM storer is used for the operating ephemeral data of memory module; VCC and VSS two pins provides working power for information security management module, and this power supply should be continued power and can not be provided by the pin of remote-control intelligent energy meter terminal master controller.
Shown in Fig. 1, in the embodiment that the present invention is more preferably for technical solution problem, the concrete mode that a kind of above-mentioned processor performs management system for selling power authentication and affairs is provided, namely when processor receives the external data coming from the first data-interface, according to external data, authentication is carried out to management system for selling power, when authentication result is judged as legal, then encrypted packets is decrypted and completeness check, on the contrary the original state that then resets;
After data integrity verifying passes through, the validity of data is verified, on the contrary the original state that then resets;
After Validation of Data is passed through, pre-service is carried out to the affairs comprised in data, and from remote-control intelligent energy meter terminal master controller, obtain corresponding return message by the second data-interface, data transmission module is returned to by the first data-interface by after described return message encryption, then pre-processed results approved after effectively being confirmed and stored relevant operation information, and to remote-control intelligent energy meter terminal master controller transmit operation instruction; Such as, otherwise then abandon pre-processed results or make caching process, namely do not receive the confirmation result of data transmission module within the time preset, do not receive the confirmation of data transmission module in three minutes, then reset original state; Aforesaid caching process refers to keeps in pre-processed results instruction, when processor is again waken up and receives the confirmation of data transmission module, then in the same way to remote-control intelligent energy meter terminal master controller transmit operation instruction.
The whole flow process of the present embodiment peripheral data from management system for selling power authentication to the affairs external data performed by processor is further comprises in above-mentioned technical scheme, by the programming of above-mentioned flow process, further enhance in information security management module the security receiving information and executing.And the above-mentioned processor reset original state repeatedly mentioned, be resetting processor and perform the state before any one operation above-mentioned, it is dormant state that such as processor carried out the state of authentication before receiving external data, be waken up by dormant state when receiving external data, but when being judged as illegal to the authentication of management system for selling power, processor then recovers dormant state, do not carry out any operation, in other step, the situation of processor reset also substantially as hereinbefore, when failing the authentication, operation note can be stored by processor.
And it is same, in another embodiment of the invention, for realizing being managed information security management module by different rights, need in above-mentioned FLASH memory preset agreement restrictive condition and multiple different cipher key procedures, it act as when the subsystem of information security management module classification different from management system for selling power respectively carries out exchanges data, processor according to the encryption key of external data compared with multiple cipher key procedures preset in FLASH memory, thus the identity of certification management system for selling power, and after encrypted packets deciphering and completeness check are passed through, according to the validity of agreement restrictive condition verification msg under current identity, judge whether to carry out pre-service to the affairs in data,
Shown in figure 2, for meeting the inner structure of greatly how far control electric energy meter at present, above-mentioned first data-interface also accesses IC information exchange module, for transmitting it to processor when receiving the external data coming from IC information exchange module, processor performs the verification identical with the external data coming from data transmission module to described external data.
According to another embodiment of the present invention, as mentioned here above, for ease of the buffer memory of processor pre-processed results, in information security management module, also relatively independent eeprom memory can be set, and eeprom memory is also accessed processor, for the associative operation information of storage of processor to remote-control intelligent energy meter terminal master controller, processor is to the pre-processed results of affairs in external data, and the failure record of processor checking, and in FLASH memory, be also provided with other program that can be utilized by processor, namely processor to the associative operation information of remote-control intelligent energy meter terminal master controller once be stored to after in eeprom memory, by unsuppressible-suppression and amendment, to make the running status of information security management module leave complete record.
Shown in figure 2, information security management module of remote control intelligent electric energy meter in above-described embodiment in actual applications, between access remote-control intelligent energy meter terminal master controller and data transmission module, and the inner structure of electric energy meter and existing remote-control intelligent electric energy meter are as good as, itself contain several functions module, as pulse counter module, memory module, display module, relay control module, surplus reminding module etc., these modules are by being connected with remote-control intelligent electric meter terminal master controller, complete the correlation function of remote-control intelligent electric meter, measure as completed power consumption with pulse counter module, display module shows power consumption and dump energy, relay control module is as power on/off switch, surplus reminding module is before institute's purchase of electricity is about to be finished, power purchase operation etc. should be carried out as early as possible by hummer prompting prompting user.
And according to above-mentioned principle, this remote-control intelligent electric meter information security management module directly in the remote-control intelligent electric meter of routine, can carry out exchanges data by data transmission module by Integrated predict model in a wireless or wired way with long-range management system for selling power; And in addition, the improvement application going back adaptability carries out the measuring apparatus of telemanagement in other by electronic information.
The processor that above-described embodiment is mentioned is the core of information security management module, for performing corresponding program and data encryption, in another embodiment of the present invention, above-mentioned processor is directly adopt the central processing unit or single-chip microcomputer that can perform cryptographic algorithm in prior art, such as EFM32 etc.
Based on data communication mode required in above-described embodiment, inventor is with reference to prior art, to select in prior art the communication that the transmission technology of part realizes between processor and interface, wherein data transmission module can adopt network communication module or bus communication module, and corresponding with aforesaid data transmission module, the first data-interface for carrying out unique communication with data transmission module in above-described embodiment can adopt network communication interface or bus interface.
Further, above-mentioned network communication interface can adopt wireless or wired form, radio network interface can adopt in the middle of RF module interface, Zigbee module interface, WiFi module interface, infrared module interface and bluetooth module interface one or more, wired network interface can adopt in the middle of Optical Fiber Transmission interface, data line transfer interface and power line transmission interface one or more; In the middle of above-mentioned bus interface Mbus bus interface, RS485 bus interface, CAN interface one or more.
And it is corresponding, the second data-interface that in above-described embodiment, processor and remote-control intelligent energy meter terminal master controller carry out communicating preferably matches with conventional master controller, the serial line interfaces such as such as USART interface, SPI interface or I2C interface, to increase the compatibility on information security management module integration and intelligent electric energy meter.
Shown in Fig. 1, for the security of data encryption and deciphering in the administration module that ensures information security further, preferably independently encrypting module is set therein, and by this independently encrypting module access processor, for to information security management module and management system for selling power, the multistage encryption and decryption of remote-control intelligent energy meter terminal master controller exchanges data, and the data encryption key that auxiliary processor obtains management system for selling power carries out authentication, and the cipher mode that in reference prior art, security is higher, Advanced Encryption Standard in preferred employing AES(cryptography, the abbreviation of English Advanced Encryption Standard) or the triple data encryption algorithm of 3DES(, English Triple Data Encryption Algorithm) encryption and decryption is carried out to the data of coming and going in information security management module.
Shown in Fig. 3, after the integrated above-mentioned information security management module of remote-control intelligent electric energy meter that multiple different vendor produces, the outside all communication datas of electric energy meter are all by forwarding after information security management module encryption and decryption, and the internal processes of information security management module is unique, therefore information security management module can be considered as terminal by management system for selling power, in order to manage intelligent electric energy meter, namely with the compatible various brand of a management system for selling power, the intelligent electric energy meter of type is managed concentratedly, effective reduction Utilities Electric Co. is to different brands in region, the difficulty of the intelligent electric energy meter integration management of type.As shown in Figure 3, the communication path of remote-control intelligent electric energy meter and management system for selling power is: show to hold by upper strata multistage communication device, and as collector, repeater, concentrator etc., directly arrive management system for selling power.By above-mentioned path, table end directly and management system for selling power realize data and transmit.
Than that described above, also it should be noted that spoken of in this manual " embodiment ", " another embodiment ", " embodiment " etc., refer to the specific features, structure or the feature that describe in conjunction with this embodiment and be included at least one embodiment of the application's generality description.Multiple place occurs that statement of the same race is not necessarily refer to same embodiment in the description.Furthermore, when describing specific features, structure or a feature in conjunction with any embodiment, what advocate is also fall within the scope of the invention to realize this feature, structure or feature in conjunction with other embodiments.
Although with reference to multiple explanatory embodiment of the present invention, invention has been described here, but, should be appreciated that, those skilled in the art can design a lot of other amendment and embodiment, these amendments and embodiment will drop within spirit disclosed in the present application and spirit.More particularly, in the scope of, accompanying drawing open in the application and claim, multiple modification and improvement can be carried out to the building block of subject combination layout and/or layout.Except the modification of carrying out building block and/or layout is with except improvement, to those skilled in the art, other purposes also will be obvious.
Claims (9)
1. an information security management module of remote control intelligent electric energy meter, it is characterized in that: described information security management module comprises processor, the first data-interface, the second data-interface and FLASH memory, described processor accesses the first data-interface, the second data-interface and FLASH memory respectively, wherein:
Described first data-interface communicates with the unique data of data transmission module for performing remote-control intelligent electric energy meter, and transmits it to processor when receiving the external data coming from data transmission module; Described data transmission module directly receives the external data coming from long-range management system for selling power;
Described FLASH memory is for storing control in information security management module and documentor;
Described second data-interface is for performing the data communication between processor and remote-control intelligent energy meter terminal master controller, and described remote-control intelligent energy meter terminal master controller is used for performing the operation of corresponding table end according to the instruction of processor;
Described processor is used for when receiving the external data coming from the first data-interface, authentication is carried out to the management system for selling power sending external data, judge whether to obtain the encrypted packets in this external data, and send corresponding operational order by the second data-interface to remote-control intelligent energy meter terminal master controller according to the affairs comprised in data;
Agreement restrictive condition and multiple different cipher key procedures is preset in described FLASH memory, for when the subsystem of information security management module classification different from management system for selling power respectively carries out exchanges data, processor according to the encryption key of external data compared with multiple cipher key procedures preset in FLASH memory, thus the identity of certification management system for selling power, and after encrypted packets deciphering and completeness check are passed through, according to the validity of agreement restrictive condition verification msg under current identity, judge whether to carry out pre-service to the affairs in data;
Described first data-interface also accesses IC information exchange module, for transmitting it to processor when receiving the external data coming from IC information exchange module, processor performs the verification identical with the external data coming from data transmission module to described external data.
2. information security management module of remote control intelligent electric energy meter according to claim 1, it is characterized in that: described processor is used for when receiving the external data coming from the first data-interface, according to external data, authentication is carried out to management system for selling power, when authentication result is judged as legal, then encrypted packets is decrypted and completeness check, on the contrary the original state that then resets;
After data integrity verifying passes through, the validity of data is verified, on the contrary the original state that then resets;
After Validation of Data is passed through, pre-service is carried out to the affairs comprised in data, and from remote-control intelligent energy meter terminal master controller, obtain corresponding return message by the second data-interface, data transmission module is returned to by the first data-interface by after described return message encryption, then pre-processed results approved after effectively being confirmed and stored relevant operation information, and to remote-control intelligent energy meter terminal master controller transmit operation instruction; Otherwise then abandon pre-processed results or make caching process.
3. information security management module of remote control intelligent electric energy meter according to claim 1 and 2, it is characterized in that: in described information security management module, also comprise eeprom memory, described eeprom memory also accesses processor, for the associative operation information of storage of processor to remote-control intelligent energy meter terminal master controller, and processor is to the pre-processed results of affairs in external data.
4. information security management module of remote control intelligent electric energy meter according to claim 1 and 2, is characterized in that: described processor is central processing unit or the single-chip microcomputer that can perform cryptographic algorithm; Described data transmission module is network communication module or bus communication module.
5. information security management module of remote control intelligent electric energy meter according to claim 1 and 2, is characterized in that: the first described data-interface is network communication interface or bus interface.
6. information security management module of remote control intelligent electric energy meter according to claim 5, is characterized in that: described network communication interface be at least in the middle of RF module interface, Zigbee module interface, WiFi module interface, bluetooth module interface, infrared module interface or Optical Fiber Transmission interface, data line transfer interface, power line transmission interface any one; Described bus interface be at least in the middle of Mbus bus interface, RS485 bus interface, CAN interface any one.
7. information security management module of remote control intelligent electric energy meter according to claim 1 and 2, is characterized in that: the second described data-interface be at least in the middle of USART serial line interface, SPI serial line interface or I2C serial line interface any one.
8. information security management module of remote control intelligent electric energy meter according to claim 1 and 2, it is characterized in that: described information security management module also comprises encrypting module, described encrypting module access processor, for the multistage encryption and decryption to information security management module and management system for selling power, remote-control intelligent energy meter terminal master controller exchanges data, and the data encryption key that auxiliary processor obtains management system for selling power carries out authentication.
9. information security management module of remote control intelligent electric energy meter according to claim 8, is characterized in that: described encrypting module carries out data encrypting and deciphering by the mode of AES or 3DES.
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| CN105281432B (en) * | 2015-09-15 | 2018-01-16 | 广州葵翼信息科技有限公司 | A kind of supervising device of wireless test and data transmission system |
| CN106790398A (en) * | 2016-11-28 | 2017-05-31 | 天津达尔顿科技有限公司 | A kind of work drive motor real-time based on intelligent network |
| CN106850363B (en) * | 2017-01-17 | 2020-07-07 | 新智数字科技有限公司 | Data communication method and device |
| CN108896799A (en) * | 2018-05-16 | 2018-11-27 | 国网浙江省电力有限公司杭州供电公司 | Very Important Person electric energy meter image-pickup intelligent-reading remote transmission device |
| CN109756710B (en) * | 2019-01-08 | 2020-06-16 | 湖南龙之翔智能科技有限公司 | Safety protection system for electric energy meter |
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