CN103220137A - Remote control intelligent electricity meter with embedded information security management module - Google Patents
Remote control intelligent electricity meter with embedded information security management module Download PDFInfo
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Abstract
The invention discloses a remote control intelligent electricity meter with an embedded information security management module, and belongs to remote control intelligent electricity meter management assisting equipment. The remote control intelligent electricity meter comprises the information security management module. The information security management module comprises a processor, a first data interface, a second data interface and a FLASH memorizer, wherein the processor accesses the first data interface, the second data interface and the FLASH memorizer, the information security management module conducts identity authentication when exchanging data through a data transmission module with an electricity sale management system, the legitimacy of communications between the information security management module and the electricity sale management system is guaranteed, and a master control device of a remote control intelligent electricity meter terminal can communicate with the external only through the information security management module. At the same time, after information security management module is embedded, the remote control intelligent electricity meter with the embedded information security management module can be compatible with the master control device of the remote control intelligent electricity meter terminal through a plurality of communication transmission technologies along with a bus interface, and can seamlessly access a power supply management system to achieve dispersed manufacture of the remote control intelligent electricity meter and unified management.
Description
Technical field
The present invention relates to an intelligent electric energy meter, in particular, the present invention relates generally to a kind of remote-control intelligent electric energy meter that is embedded with the information security management module.
Background technology
The remote-control intelligent electric energy meter needs real-time, safe and effective teledata switching channel to realize carrying out exchanges data with the management system for selling power of Utilities Electric Co., the telecommunication mode adopts two kinds of wire communication and radio communications, and there is risk in these two kinds of communication modes aspect information security management.The wire communication mode, the main modes such as Optical Fiber Transmission, data wire transmission and power line transmission that adopt, these transmission meanss all need the cable of complicated layout, these wirings can become quite difficult in special geographical environment, when cable go wrong or by people's reconfiguration after, safety of data transmission can not get guaranteeing.Communication, main RF module, Zigbee module, WiFi module and the bluetooth modules etc. of adopting transmit, these wireless devices are subjected to environmental interference easily in transmission course, cause the exchanges data mistake, when artificial destruction occurring, data may be intercepted and captured, be revised, and safety of data transmission can not get guaranteeing.
The manufacturer of remote-control intelligent electric energy meter is a lot, each producer is to the management method difference of remote-control intelligent electric energy meter, the remote-control intelligent electric energy meter has independence to a certain extent, make Utilities Electric Co. can't accomplish really unified management on meaning, the safety of data transmission of remote-control intelligent electric energy meter and electricity-selling system can not get guaranteeing.
The remote-control intelligent electric energy meter will be realized the exchanges data with electricity-selling system, need many intermediate link, as need the remote transmission of data, need with each subsystem swap data of electricity-selling system etc., all there is uncertain destructive factor in the exchanges data of these intermediate links, causes safety of data transmission to can not get guaranteeing.
Can not get under the assurance situation at the above-mentioned data transmission security of appearance, owing to do not have active data checking means in the master controller of remote-control intelligent electric energy meter, the identity of external data transmitting terminal can not get examining, data can not get effective verification, cause remote-control intelligent electric energy meter and main website management system for selling power out of control, therefore, at the existing hidden danger of above-mentioned remote-control intelligent electric energy meter, be necessary it is done further improvement.
Summary of the invention
One of purpose of the present invention is at above-mentioned deficiency, a kind of remote-control intelligent electric energy meter that is embedded with the information security management module is provided, the information security management that solves remote-control intelligent electric energy meter of the prior art and management system thereof with expectation can not get problems such as assurance, thereby eliminates the risk of information security management in Utilities Electric Co.'s operation.
For solving above-mentioned technical problem, the present invention by the following technical solutions:
A kind of remote-control intelligent electric energy meter that is embedded with the information security management module provided by the present invention, comprise counting module, relay, remote-control intelligent electric energy meter terminal master controller and memory, described counting module inserts power input and the remote-control intelligent electric energy meter terminal master controller on the electric energy meter respectively, be used for power consumption is measured, and export variable to remote-control intelligent electric energy meter terminal master controller, described relay inserts power input and the power output end on the electric energy meter respectively, described remote-control intelligent electric energy meter terminal master controller is by the control relay circuit cut-in relay, be used for closure and disconnection by remote-control intelligent electric energy meter terminal main controller controls relay, described memory also inserts remote-control intelligent electric energy meter terminal master controller, described remote-control intelligent electric energy meter also comprises the information security management module, described information security management module comprises processor, first data-interface, second data-interface and FLASH memory, described processor inserts first data-interface respectively, second data-interface and FLASH memory, wherein:
Described first data-interface inserts data transmission module, is used to carry out the remote-control intelligent electric energy meter and communicates by letter with the unique data of data transmission module, and transmit it to processor when receiving the external data that comes from data transmission module; Described data transmission module directly receives the external data that comes from long-range management system for selling power;
Described FLASH memory is used for the control and the documentor of stored information safety management module;
Described second data-interface inserts remote-control intelligent electric energy meter terminal master controller, be used to carry out the data communication between processor and the remote-control intelligent electric energy meter terminal master controller, described remote-control intelligent electric energy meter terminal master controller is used for carrying out the operation of corresponding table end according to the instruction of processor;
Described processor is used for when receiving the external data that comes from first data-interface, the management system for selling power that sends external data is carried out authentication, judge whether to obtain the encrypted packets in this external data, and send corresponding operational order by second data-interface to remote-control intelligent electric energy meter terminal master controller according to the affairs that comprise in the data.
As preferably, further technical scheme is: the processor in the described information security management module is used for when receiving the external data that comes from first data-interface, according to external data management system for selling power is carried out authentication, when authentication result is judged as when legal, then encrypted packets is decrypted and completeness check, on the contrary the initial condition that then resets;
After data integrity verifying passes through, the validity of data is verified, on the contrary the initial condition that then resets;
After Validation of Data is passed through, the affairs that comprise in the data are carried out preliminary treatment, and from remote-control intelligent electric energy meter terminal master controller, obtain corresponding return information by second data-interface, described return information is encrypted the back return to data transmission module by first data-interface, after effectively being confirmed, then the preliminary treatment result is approved and stored relevant operation information, and instructed to the transmit operation of remote-control intelligent electric energy meter terminal master controller; Otherwise then abandon the preliminary treatment result or make caching process.
Further technical scheme is: preset protocols limit condition and a plurality of different cipher key procedures in the FLASH memory in the described information security management module, be used for when the information security management module is carried out exchanges data with the subsystem of the different classifications of management system for selling power respectively, processor is compared according to a plurality of cipher key procedures that preset in the encryption key of external data and the FLASH memory, thereby the identity of authentication management system for selling power, and after encrypted packets deciphering and completeness check pass through, according to the validity of protocols limit condition verification msg under current identity, judge whether the affairs in the data are carried out preliminary treatment;
Described first data-interface also inserts the IC-card information exchange module, be used for transmitting it to when receiving the external data that comes from the IC-card information exchange module processor, processor is carried out the verification identical with the external data that comes from data transmission module to described external data.
Further technical scheme is: also comprise eeprom memory in the information security management module in the described information security management module, described eeprom memory also inserts processor, be used for the associative operation information of storage of processor, and processor is to the preliminary treatment result of affairs in the external data to remote-control intelligent electric energy meter terminal master controller;
Described memory is used to store the presell electric quantity data information that comes from the information security management module forwards, described remote-control intelligent electric energy meter terminal master controller also is connected with LCDs by liquid crystal display circuit, be used for deducting the presell electric quantity data information initial value of storing in the memory according to the variable of counting module, and on LCDs, present by liquid crystal display circuit by remote-control intelligent electric energy meter terminal master controller; Also comprise buzzer in the described intelligent electric energy meter, described remote-control intelligent electric energy meter terminal master controller inserts buzzer by the surplus judging circuit.
Further technical scheme is: the processor in the described information security management module is for carrying out the central processing unit or the single-chip microcomputer of cryptographic algorithm; Described data transmission module is network communication module or bus communication module.
Further technical scheme is: described first data-interface is network communication interface or bus interface.
Further technical scheme is: described network communication interface is at least any one 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 wire coffret, the power line transmission interface; Described bus interface is at least any one in the middle of the Mbus bus interface, RS485 bus interface, CAN bus interface.
Further technical scheme is: described second data-interface is at least any one in the middle of USART serial line interface, SPI serial line interface or the I2C serial line interface.
Further technical scheme is: described information security management module also comprises encrypting module, described encrypting module inserts processor, be used for multistage encryption and decryption, and the data encryption key that auxiliary processor obtains management system for selling power carries out authentication to information security management module and management system for selling power, remote-control intelligent electric energy meter terminal master controller exchanges data.
Further technical scheme is: described encrypting module is by the Advanced Encryption Standard in the AES(cryptography, the abbreviation of English Advanced Encryption Standard) or the triple DEAs of 3DES(, mode English Triple Data Encryption Algorithm) is carried out data encrypting and deciphering.
Compared with prior art, one of beneficial effect of the present invention is: by embed the information security management module in the remote-control intelligent electric energy meter, carry out authentication when making it carry out exchanges data by data transmission module and management system for selling power, guaranteed the legitimacy of both communication, and the remote-control intelligent electric energy meter terminal master controller of table end must could communicate by the information security management module with the outside; Utilities Electric Co. utilizes the information security management module in the electric energy meter, can realize the authority setting of differentiated control by different keys, and adopt 3DES/AES multi-level encryption mode, make that the fail safe of key is higher, and upgrading key can download cause for gossip by the program on the information security management module time, avoid key to leak the risk of being brought; By built-in data verifying program, guarantee that the data of transmission are true, accurate, complete.A kind of remote-control intelligent electric energy meter that is embedded with the information security management module simultaneously provided by the present invention is simple in structure, information security management module by inside can be seamless access power supply management system, realize that the remote-control intelligent electric energy meter disperses to make, unified management, range of application is wide, and guarantee the independence of Utilities Electric Co. in electric energy meter control, and be not subjected to extraneous restriction.
Description of drawings
Fig. 1 is the remote-control intelligent electric energy meter structured flowchart that is used for illustrating one embodiment of the invention;
Fig. 2 is used for the information security management modular structure block diagram that illustrates that one embodiment of the invention embeds;
Fig. 3 is the management system block diagram that is used for illustrating the embodiment of the invention.
Embodiment
The present invention is further elaborated below in conjunction with accompanying drawing.
With reference to figure 1, shown in Figure 2, one embodiment of the present of invention are a kind of remote-control intelligent electric energy meters that are embedded with the information security management module, comprise counting module, relay, remote-control intelligent electric energy meter terminal master controller and memory, described counting module inserts power input and the remote-control intelligent electric energy meter terminal master controller on the electric energy meter respectively, be used for power consumption is measured, and export variable to remote-control intelligent electric energy meter terminal master controller, described relay inserts power input and the power output end on the electric energy meter respectively, described remote-control intelligent electric energy meter terminal master controller is by the control relay circuit cut-in relay, be used for closure and disconnection by remote-control intelligent electric energy meter terminal main controller controls relay, described memory also inserts remote-control intelligent electric energy meter terminal master controller, different is with prior art, described remote-control intelligent electric energy meter also comprises the information security management module, described information security management module comprises processor, first data-interface, second data-interface and FLASH memory, described processor inserts first data-interface respectively, second data-interface and FLASH memory, wherein:
Above-mentioned first data-interface inserts data transmission module, and effect is to carry out the remote-control intelligent electric energy meter to communicate by letter with the unique data of data transmission module, and transmits it to processor when receiving the external data that comes from data transmission module; Described data transmission module directly receives the external data that comes from long-range management system for selling power;
The effect of above-mentioned FLASH memory is control and the documentor in the stored information safety management module;
Above-mentioned second data-interface inserts data transmission module, effect is the data communication of carrying out between processor and the remote-control intelligent electric energy meter terminal master controller, and the effect of remote-control intelligent electric energy meter terminal master controller is to carry out the operation of respective table end according to the instruction of processor;
The effect of above-mentioned processor is when receiving the external data that comes from first data-interface, the management system for selling power that sends external data is carried out authentication, judge whether to obtain encrypted packets in this external data, and send corresponding operational order by second data-interface to remote-control intelligent electric energy meter terminal master controller according to the affairs that comprise in the data.
According to above-mentioned technical scheme as can be known, the technical problem that present embodiment solved is the information security management module by above-mentioned composition structure, between remote-control intelligent electric energy meter terminal master controller and management system for selling power, carry out data forwarding, and when transmitting, authenticated and encryption and decryption, thereby cooperate Utilities Electric Co. that the intelligent electric energy meter of terminal is managed, 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 the information security management module; The RAM memory is used for the operating ephemeral data of memory module; VCC and VSS two pins provide working power for the information security management module, and this power supply should be a continued power and can not being provided by remote-control intelligent electric energy meter terminal master controller pin.And go out as shown in Figure 1, the memory of above-mentioned access remote-control intelligent electric energy meter terminal master controller preferably adopts eeprom memory in the present embodiment.
Again with reference to shown in Figure 1, be used for the embodiment that the technical solution problem is more preferably in the present invention, the concrete mode that provides the processor in a kind of above-mentioned information security management module that management system for selling power authentication and affairs are carried out, promptly when processor receives the external data that comes from first data-interface, according to external data management system for selling power is carried out authentication, when authentication result is judged as when legal, then encrypted packets is decrypted and completeness check, on the contrary the initial condition that then resets;
After data integrity verifying passes through, the validity of data is verified, on the contrary the initial condition that then resets;
After Validation of Data is passed through, the affairs that comprise in the data are carried out preliminary treatment, and from remote-control intelligent electric energy meter terminal master controller, obtain corresponding return information by second data-interface, described return information is encrypted the back return to data transmission module by first data-interface, after effectively being confirmed, then the preliminary treatment result is approved and stored relevant operation information, and instructed to the transmit operation of remote-control intelligent electric energy meter terminal master controller; Otherwise then abandon the preliminary treatment result or make caching process, promptly do not receive the affirmation result of data transmission module in the predefined time, for example do not receive the affirmation information of data transmission module in three minutes, initial condition then resets; Aforesaid caching process is meant keeps in the preliminary treatment object command, when processor is waken up and receives the affirmation information of data transmission module once more, then instructs to the transmit operation of remote-control intelligent electric energy meter terminal master controller in the same way.
The affairs from the management system for selling power authentication to external data of external data in the present embodiment have been comprised in the above-mentioned technical scheme by the performed whole flow process of processor, by the program setting of above-mentioned flow process, further strengthened in the information security management module receiving the fail safe of information and executing.And the above-mentioned processor reset initial condition of repeatedly mentioning, be the state of resetting processor before carrying out above-mentioned any one operation, for example to carry out the state of authentication before receiving external data be resting state to processor, when receiving that external data is waken up by resting state, but the authentication of management system for selling power is judged as when illegal, processor then recovers resting state, do not carry out any operation, the situation of processor reset also substantially as hereinbefore in other step, when authentication failed, processor can be stored operation note.
And it is same, in another embodiment of the present invention, for realizing the information security management module in the remote-control intelligent electric energy meter being managed by different rights, need to preset protocols limit condition and a plurality of different cipher key procedures in the FLASH memory in above-mentioned information security management module, its act as the information security management module respectively with management system for selling power in the subsystem of different classifications when carrying out exchanges data, processor is compared according to a plurality of cipher key procedures that preset in the encryption key of external data and the FLASH memory, thereby the identity of authentication management system for selling power, and after encrypted packets deciphering and completeness check pass through, according to the validity of protocols limit condition verification msg under current identity, judge whether the affairs in the data are carried out preliminary treatment;
With reference to shown in Figure 2, make above-mentioned remote-control intelligent electric energy meter have the IC-card read functions of present main flow intelligent electric energy meter simultaneously concurrently for satisfying, also can set up the IC-card information exchange module therein, above-mentioned first data-interface is also inserted the IC-card information exchange module, be used for transmitting it to when receiving the external data that comes from the IC-card information exchange module processor, processor is carried out the verification identical with the external data that comes from data transmission module to described external data.
According to another embodiment of the present invention, mention as above-mentioned, buffer memory for ease of processor preliminary treatment result, in the information security management module, also relatively independent eeprom memory can be set, and eeprom memory also inserted processor, be used for the associative operation information of storage of processor to remote-control intelligent electric energy meter terminal master controller, processor is to the preliminary treatment result of affairs in the external data, and the failure record of processor checking, and in the FLASH memory, also be provided with other program that to be utilized by processor, after in a single day be processor be stored in the eeprom memory to the associative operation information of remote-control intelligent electric energy meter terminal master controller, with unsuppressible-suppression and modification, so that make the running status of information security management module stay complete record.
The remote-control intelligent electric energy meter that is embedded with the information security management module in the foregoing description in actual applications, be as good as with existing remote-control intelligent electric energy meter, it is a kind of intelligent electric energy meter of realizing facility information remote transmission and apparatus remote control in conjunction with the remote transmission technology, described remote-control intelligent electric energy meter terminal master controller is according to the operational order of information security management module, by the action of control relay circuit control relay, play the effect of control power supply break-make.
Behind the power input on the power supply input electric energy meter, enter the VI pulse amplifier in the counting module, be used for improving load capacity and reduce the influence of load the intelligent electric energy meter signal source, and with increasing anti-jamming capacity; Realize two mutual incoherent signal multiplications by analog multiplier then, be output signal with input signal mutually product be directly proportional, be transferred to pulse counter by the V/F transducer again, behind the pulse counter counting, transfer of data to remote-control intelligent electric energy meter terminal master controller handled; Also be provided with voltage detecting circuit between the power input on described VI pulse amplifier and the electric energy meter, be used to detect the voltage strength of power input to input VI pulse amplifier.
Above-mentioned memory is used to store the presell electric quantity data information that comes from the information security management module forwards, described remote-control intelligent electric energy meter terminal master controller also is connected with LCDs by liquid crystal display circuit, be used for deducting the presell electric quantity data information initial value of storing in the memory according to the variable of counting module, and on LCDs, present by liquid crystal display circuit by remote-control intelligent electric energy meter terminal master controller; Also comprise buzzer in the described intelligent electric energy meter, remote-control intelligent electric energy meter master controller connects buzzer by the surplus judging circuit, when charge value is about to use up, sends the alarm sound prompting and need supplement with money with the user; Carry out exchanges data by data transmission module with wireless or wired mode and long-range management system for selling power; When the remaining sum of supplementing with money in the subscriber's meter was used up, remote-control intelligent electric energy meter terminal master controller made its shutoff, and then stops power supply by the control relay circuit control relay.
The processor that the foregoing description is mentioned is the core of information security management module in the remote-control intelligent electric energy meter, be used to carry out corresponding program and data encryption, in another embodiment of the present invention, above-mentioned processor is for directly adopting central processing unit or the single-chip microcomputer that can carry out cryptographic algorithm in the prior art, for example EFM32 etc.
Based on data communication mode required in the foregoing description, the inventor is with reference to prior art, selected for use the transmission technology of part in the prior art to realize communicating by letter between processor and the interface, wherein data transmission module can adopt network communication module or bus communication module, and corresponding with aforesaid data transmission module, be used for carrying out unique first data-interface of communicating by letter in the foregoing description and can adopt network communication interface or bus interface with data transmission module.
Further, above-mentioned network communication interface can adopt wireless or wired form, radio network interface can adopt one or more in the middle of RF module interface, Zigbee module interface, WiFi module interface, infrared module interface and the bluetooth module interface, and wired network interface can adopt one or more in the middle of Optical Fiber Transmission interface, data wire coffret and the power line transmission interface; In the middle of the above-mentioned bus interface Mbus bus interface, RS485 bus interface, CAN bus interface one or more.
And it is corresponding, second data-interface that processor and remote-control intelligent electric energy meter terminal master controller communicate in the foregoing description preferably is complementary with conventional master controller, serial line interfaces such as USART interface, SPI interface or I2C interface for example, with increase the information security management module integrated with intelligent electric energy meter on compatibility.
Again with reference to shown in Figure 1, fail safe for data encryption and solution in the information security management module in the further assurance remote-control intelligent electric energy meter, be preferably in its inside independently encrypting module is set, and with this independently encrypting module insert processor, be used for information security management module and management system for selling power, the multistage encryption and decryption of remote-control intelligent electric 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 with reference to the higher cipher mode of fail safe in the prior art, the preferred Advanced Encryption Standard that adopts in the AES(cryptography, the abbreviation of English Advanced Encryption Standard) or the triple DEAs of 3DES(, English Triple Data Encryption Algorithm) data of coming and going in the information security management module are carried out encryption and decryption.
Again with reference to shown in Figure 3, after the integrated above-mentioned information security management module of remote-control intelligent electric energy meter that a plurality of different vendors produce, outside all communication datas of electric energy meter are all by transmitting after the information security management module encryption and decryption, and the internal processes of information security management module is unique, therefore management system for selling power can be considered as terminal with the information security management module, in order to the management intelligent electric energy meter, promptly with the compatible various brands of a management system for selling power, the intelligent electric energy meter of type is managed concentratedly, effectively reduces Utilities Electric Co. to different brands in the zone, 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: the table end passes through the upper strata multistage communication device, as collector, and repeater, concentrators etc. directly arrive management system for selling power.By above-mentioned path, the table end is realized transfer of data with direct and management system for selling power.
Except that above-mentioned, " embodiment ", " another embodiment " that also need to prove in this manual to be spoken of, " embodiment " etc. refer to concrete feature, structure or the characteristics described in conjunction with this embodiment and are included among at least one embodiment that the application's generality describes.A plurality of local appearance statement of the same race is not necessarily to refer to same embodiment in specification.Furthermore, when describing a concrete feature, structure or characteristics in conjunction with arbitrary embodiment, what advocate is to realize that in conjunction with other embodiment this feature, structure or characteristics also fall within the scope of the invention.
Although invention has been described with reference to a plurality of explanatory embodiment of the present invention here, but, should be appreciated that those skilled in the art can design a lot of other modification and execution modes, these are revised and execution mode will drop within the disclosed principle scope and spirit of the application.More particularly, in the scope of, accompanying drawing open and claim, can carry out multiple modification and improvement to the building block and/or the layout of subject combination layout in the application.Except modification that building block and/or layout are carried out with improving, to those skilled in the art, other purposes also will be tangible.
Claims (10)
1. remote-control intelligent electric energy meter that is embedded with the information security management module, comprise counting module, relay, remote-control intelligent electric energy meter terminal master controller and memory, described counting module inserts power input and the remote-control intelligent electric energy meter terminal master controller on the electric energy meter respectively, be used for power consumption is measured, and export variable to remote-control intelligent electric energy meter terminal master controller, described relay inserts power input and the power output end on the electric energy meter respectively, described remote-control intelligent electric energy meter terminal master controller is by the control relay circuit cut-in relay, be used for closure and disconnection by remote-control intelligent electric energy meter terminal main controller controls relay, described memory also inserts remote-control intelligent electric energy meter terminal master controller, it is characterized in that: described remote-control intelligent electric energy meter also comprises the information security management module, described information security management module comprises processor, first data-interface, second data-interface and FLASH memory, described processor inserts first data-interface respectively, second data-interface and FLASH memory, wherein:
Described first data-interface inserts data transmission module, is used to carry out the remote-control intelligent electric energy meter and communicates by letter with the unique data of data transmission module, and transmit it to processor when receiving the external data that comes from data transmission module; Described data transmission module directly receives the external data that comes from long-range management system for selling power;
Described FLASH memory is used for the control and the documentor of stored information safety management module;
Described second data-interface inserts remote-control intelligent electric energy meter terminal master controller, be used to carry out the data communication between processor and the remote-control intelligent electric energy meter terminal master controller, described remote-control intelligent electric energy meter terminal master controller is used for carrying out the operation of corresponding table end according to the instruction of processor;
Described processor is used for when receiving the external data that comes from first data-interface, the management system for selling power that sends external data is carried out authentication, judge whether to obtain the encrypted packets in this external data, and send corresponding operational order by second data-interface to remote-control intelligent electric energy meter terminal master controller according to the affairs that comprise in the data.
2. the remote-control intelligent electric energy meter that is embedded with the information security management module according to claim 1, it is characterized in that: the processor in the described information security management module is used for when receiving the external data that comes from first data-interface, according to external data management system for selling power is carried out authentication, when authentication result is judged as when legal, then encrypted packets is decrypted and completeness check, on the contrary the initial condition that then resets;
After data integrity verifying passes through, the validity of data is verified, on the contrary the initial condition that then resets;
After Validation of Data is passed through, the affairs that comprise in the data are carried out preliminary treatment, and from remote-control intelligent electric energy meter terminal master controller, obtain corresponding return information by second data-interface, described return information is encrypted the back return to data transmission module by first data-interface, after effectively being confirmed, then the preliminary treatment result is approved and stored relevant operation information, and instructed to the transmit operation of remote-control intelligent electric energy meter terminal master controller; Otherwise then abandon the preliminary treatment result or make caching process.
3. the remote-control intelligent electric energy meter that is embedded with the information security management module according to claim 1 and 2, it is characterized in that: preset protocols limit condition and a plurality of different cipher key procedures in the FLASH memory in the described information security management module, be used for when the information security management module is carried out exchanges data with the subsystem of the different classifications of management system for selling power respectively, processor is compared according to a plurality of cipher key procedures that preset in the encryption key of external data and the FLASH memory, thereby the identity of authentication management system for selling power, and after encrypted packets deciphering and completeness check pass through, according to the validity of protocols limit condition verification msg under current identity, judge whether the affairs in the data are carried out preliminary treatment;
Described first data-interface also inserts the IC-card information exchange module, be used for transmitting it to when receiving the external data that comes from the IC-card information exchange module processor, processor is carried out the verification identical with the external data that comes from data transmission module to described external data.
4. the remote-control intelligent electric energy meter that is embedded with the information security management module according to claim 1 and 2, it is characterized in that: also comprise eeprom memory in the described information security management module, described eeprom memory also inserts processor, be used for the associative operation information of storage of processor, and processor is to the preliminary treatment result of affairs in the external data to remote-control intelligent electric energy meter terminal master controller;
Described memory is used to store the presell electric quantity data information that comes from the information security management module forwards, described remote-control intelligent electric energy meter terminal master controller also is connected with LCDs by liquid crystal display circuit, be used for deducting the presell electric quantity data information initial value of storing in the memory according to the variable of counting module, and on LCDs, present by liquid crystal display circuit by remote-control intelligent electric energy meter terminal master controller; Also comprise buzzer in the described intelligent electric energy meter, described remote-control intelligent electric energy meter terminal master controller inserts buzzer by the surplus judging circuit.
5. the remote-control intelligent electric energy meter that is embedded with the information security management module according to claim 1 and 2 is characterized in that: the processor in the described information security management module is for carrying out the central processing unit or the single-chip microcomputer of cryptographic algorithm; Described data transmission module is network communication module or bus communication module.
6. the remote-control intelligent electric energy meter that is embedded with the information security management module according to claim 1 and 2 is characterized in that: described first data-interface is network communication interface or bus interface.
7. the remote-control intelligent electric energy meter that is embedded with the information security management module according to claim 6 is characterized in that: described network communication interface is at least any one 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 wire coffret, the power line transmission interface; Described bus interface is at least any one in the middle of the Mbus bus interface, RS485 bus interface, CAN bus interface.
8. the remote-control intelligent electric energy meter that is embedded with the information security management module according to claim 1 and 2 is characterized in that: described second data-interface is at least any one in the middle of USART serial line interface, SPI serial line interface or the I2C serial line interface.
9. the remote-control intelligent electric energy meter that is embedded with the information security management module according to claim 1 and 2, it is characterized in that: described information security management module also comprises encrypting module, described encrypting module inserts processor, be used for multistage encryption and decryption, and the data encryption key that auxiliary processor obtains management system for selling power carries out authentication to information security management module and management system for selling power, remote-control intelligent electric energy meter terminal master controller exchanges data.
10. the remote-control intelligent electric energy meter that is embedded with the information security management module according to claim 9 is characterized in that: described encrypting module carries out data encrypting and deciphering by the mode of AES or 3DES.
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| CN201310125448.1A CN103220137B (en) | 2013-04-11 | 2013-04-11 | Be embedded with the remote-control intelligent electric energy meter of information security management module |
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| CN201310125448.1A CN103220137B (en) | 2013-04-11 | 2013-04-11 | Be embedded with the remote-control intelligent electric energy meter of information security management module |
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| CN103220137B CN103220137B (en) | 2016-01-20 |
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