CN103220133A - Remote-control intelligent gas meter with information safety management function - Google Patents
Remote-control intelligent gas meter with information safety management function Download PDFInfo
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- CN103220133A CN103220133A CN2013101143258A CN201310114325A CN103220133A CN 103220133 A CN103220133 A CN 103220133A CN 2013101143258 A CN2013101143258 A CN 2013101143258A CN 201310114325 A CN201310114325 A CN 201310114325A CN 103220133 A CN103220133 A CN 103220133A
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Abstract
The invention discloses a remote-control intelligent gas meter with an information safety management function, belonging to a remote-control intelligent gas meter. The remote-control intelligent gas meter comprises a remote-control intelligent gas meter terminal main controller and a FLASH memory, wherein the remote-control intelligent gas meter terminal main controller is accessed to a data transmission module through an external data interface; the external data interface is used for executing sole data communication between the remote-control intelligent gas meter terminal main controller and the data transmission module; through the adding of the information safety management function in the remote-control intelligent gas meter terminal main controller, when exchanging data with a gas sale management system of a gas company through the data transmission module, the remote-control intelligent gas meter terminal main controller performs identity authentication; therefore, the legality of communication between the remote-control intelligent gas meter terminal main controller and the data transmission module is guaranteed; moreover, the remote-control intelligent gas meter terminal main controller is accessed to a gas management system in a seamless way through the external data interface, so that the dispersed manufacturing and the uniform management of the remote-control intelligent gas meter are realized; and meanwhile, the control independence of the gas company on the gas meter is guaranteed, and the restriction by the outside is avoided.
Description
Technical field
The present invention relates to a kind of remote-control intelligent gas meter, in particular, the present invention relates generally to a kind of remote-control intelligent gas meter with information security management function.
Background technology
Remote-control intelligent gas meter need with sell the gas management system and carry out exchanges data, sell the gas management system and mainly be by will be correlated with control command, load value data etc. of wired or wireless transmission method and be transferred in the remote-control intelligent gas meter, the related feedback information in the remote-control intelligent gas meter turns back to the gas management system that sells by same transmission means again simultaneously.Wired or wireless transmission medium all has the limitation of technology utilization in the use of reality, can produce the unfavorable factor of many and diverse influences transfer of data, causes the unreliable, dangerous of exchanges data.
When adopting wire transmission mode as telecommunication, the main Optical Fiber Transmission that adopts, modes such as data wire transmission and power line transmission, these transmission meanss all need the cable of complicated layout, these wirings can become quite difficult in special geographical environment, when cable goes wrong, the data that may occur transmitting make a mistake, if there is not active data effect technology, then may cause sell that data that the gas management system sends and remote-control intelligent gas meter receive data inconsistent, when occur cable by people's reconfiguration after, if remote-control intelligent gas meter does not have the information security management function, can realize breaking away from gas company technically sells the gas management system and steals related data, adopt relevant technology, decode cryptographic algorithm and related protocol, replace selling the gas management system remote-control intelligent gas meter is carried out long-range supplementing with money, Long-distance Control, thereby usurp the combustion gas of natural gas company, cause gas company to suffer economic loss.When adopting wireless transmission method as telecommunication, main RF module, Zigbee module, WiFi module and the bluetooth modules etc. of adopting transmit, these wireless devices may produce the exchanges data mistake owing to be subjected to factor affecting such as geographical environment is abominable, Changes in weather unusual, transmission interference, when remote-control intelligent gas meter does not have the information security management function, cause effectively verification of data, receive misdata, cause the data in the intelligent gas meter inconsistent with the data of selling the gas management system; Simultaneously, when using the communication mode of these wireless transmission, data are propagated in free space, when artificial destruction occurring, if remote-control intelligent gas meter does not have the information security management function, data may be intercepted and captured, and be decrypted, can compile out technically and the remote-control intelligent gas meter control program that is complementary, the control remote-control intelligent gas meter is illegally used gas, and gas company will be suffered economic loss.
On the other hand, the remote-control intelligent gas meter of different brands adopts different management systems, management password, mode of operation etc., if remote-control intelligent gas meter inside does not have the information security management function, the interface and the program of exchanges data carried out in not unified and outside, and gas company cannot be accomplished unified management.Remote-control intelligent gas meter can break away from the management system of gas company, information is revised arbitrarily, the user mode Be Controlled, the user need not pay and just can use combustion gas, cause gas company to suffer economic loss, gas company exists remote-control intelligent gas meter and sells the gas management system risk simultaneously out of control.Therefore be necessary at the problems referred to above, existing remote-control intelligent gas meter is done further improvement, realize information security management.
Summary of the invention
One of purpose of the present invention is to solve above-mentioned deficiency, a kind of remote-control intelligent gas meter with information security management function is provided, solve the problem that the information security management of remote-control intelligent gas meter in the prior art and management system thereof can not get guaranteeing with expectation, eliminate the risk of information security management in the gas company operation.
For solving above-mentioned technical problem, the present invention by the following technical solutions:
A kind of remote-control intelligent gas meter provided by the present invention with information security management function, comprise remote-control intelligent gas meter terminal master controller and FLASH memory in the described remote-control intelligent gas meter, described remote-control intelligent gas meter terminal master controller inserts data transmission module by external data interface; Described external data interface is used to carry out remote-control intelligent gas meter terminal master controller communicates by letter with the unique data between the data transmission module, transmits it to remote-control intelligent gas meter terminal master controller when receiving the external data that comes from data transmission module; Described data transmission module directly receives and comes from long-range external data of selling the gas management system; Described FLASH memory is used for storing control and the documentor that remote-control intelligent gas meter calls for remote-control intelligent gas meter terminal master controller; Described remote-control intelligent gas meter terminal master controller is used for when receiving the external data that comes from external data interface, the gas management system that sells that sends external data is carried out authentication, judge whether to obtain the encrypted packets in this external data, when judged result when being legal, then carry out the operation of corresponding table end according to the affairs that comprise in the packet.
As preferably, further technical scheme is: described remote-control intelligent gas meter terminal master controller also is used for when to authenticate the identity of selling the gas management system be legal, decrypted data packet and the integrality of data is carried out verification then by the data check module, otherwise then by the reset circuit initial condition that resets; After data integrity verifying passes through, the validity of data is verified by the data check module, otherwise then by the reset circuit initial condition that resets; After Validation of Data is passed through, the affairs that comprise in the data are carried out preliminary treatment, and generate return information at the preliminary treatment result, described return information is encrypted the back return to data transmission module by external data interface, after the effective affirmation that obtains data transmission module, then the preliminary treatment result is approved and stored relevant operation information, and carried out operation accordingly among the preliminary treatment result; 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 described FLASH memory, be used at remote-control intelligent gas meter respectively when the different gas management system that sells carries out exchanges data, remote-control intelligent gas meter terminal master controller 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 gas management system is sold in authentication, and after encrypted packets deciphering and completeness check pass through, according to the protocols limit condition,, judge whether the affairs in the data are carried out preliminary treatment in current validity of selling under the gas management system identity by data check module verification data.
Further technical scheme is: also comprise eeprom memory in the described remote-control intelligent gas meter, be used to store the associative operation information of remote-control intelligent gas meter terminal master controller, and remote-control intelligent gas meter terminal master controller is to the preliminary treatment result of affairs in the external data.
Described remote-control intelligent gas meter terminal master controller also inserts the IC-card information exchange module by external data interface, be used for when receiving the external data that comes from the IC-card information exchange module, transmitting it to remote-control intelligent gas meter terminal master controller, remote-control intelligent gas meter identical verification and operation when carrying out with the external data that receives data transmission module to this external data.
Further technical scheme is: described remote-control intelligent gas meter terminal master controller 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 external data interface is at least RF module interface, Zigbee module interface, WiFi module interface, bluetooth module interface, infrared module interface, Optical Fiber Transmission interface, data wire coffret and power line transmission interface, or USART serial line interface, SPI serial line interface and I2C serial line interface, or in the middle of the Mbus bus interface, RS485 bus interface, CAN bus interface any one.
Further technical scheme is: also comprise encrypting module in the described remote-control intelligent gas meter, be used for remote-control intelligent gas meter terminal master controller and the multistage encryption and decryption of selling gas management system data exchange, and auxiliary remote-control intelligent gas meter terminal master controller obtains the data encryption key of selling the gas management system and carries out authentication.
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.
Further technical scheme is: also comprise mechanical metering device and signal pre-processing circuit in the described remote-control intelligent gas meter, electromechanical valve and dynamoelectric signal conversion equipment are installed in the described mechanical metering device at least, and described dynamoelectric signal conversion equipment inserts remote-control intelligent gas meter terminal master controller by signal pre-processing circuit; Described electromechanical valve inserts remote-control intelligent gas meter terminal master controller by the electromechanical valve control circuit.
Further technical scheme is: also comprise display circuit, crystal oscillating circuit and program download mouth in the described remote-control intelligent gas meter, described display circuit, crystal oscillating circuit and program are downloaded mouth and are all inserted remote-control intelligent gas meter terminal master controller, wherein: described remote-control intelligent gas meter terminal master controller inserts LCDs by display circuit, is used for the Various types of data information of remote-control intelligent gas meter is presented on LCDs; Described crystal oscillating circuit is used for providing clock signal to remote-control intelligent gas meter terminal main controller; Described program is downloaded mouth and is used for relevant program is downloaded to the FLASH memory by remote-control intelligent gas meter terminal master controller, the real-time upgrading cipher key procedures.
Compared with prior art, one of beneficial effect of the present invention is: by increase the function of information security management in remote-control intelligent gas meter terminal master controller, carry out authentication when making its gas management system that sells carry out exchanges data by data transmission module and gas company, guaranteed the legitimacy of both communication, remote-control intelligent gas meter must could communicate with the outside by external data interface; Utilize different keys can realize the authority setting of gas company differentiated control, 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 remote-control intelligent gas meter time, avoid key to leak the risk of being brought; By built-in data verifying program module, guarantee that the data of transmission are true, accurate and complete.A kind of remote-control intelligent gas meter with information security management function simultaneously provided by the present invention is simple in structure, by external data interface can be seamless access civil gas management system, realize the dispersion manufacturing of remote-control intelligent gas meter, unified management, range of application is wide, and guaranteed the independence of gas company in gas meter, flow meter control, be not subjected to extraneous restriction.
Description of drawings
Fig. 1 is the information security management structural representation block diagram that is used for illustrating one embodiment of the invention;
Fig. 2 is the structural representation block diagram that is used to illustrate another embodiment of the present invention;
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 shown in Figure 1, one embodiment of the present of invention are a kind of remote-control intelligent gas meters with information security management function, need be provided with remote-control intelligent gas meter terminal master controller and FLASH memory in this remote-control intelligent gas meter, and remote-control intelligent gas meter terminal master controller inserts data transmission module by external data interface;
The said external data-interface is used to carry out remote-control intelligent gas meter terminal master controller communicates by letter with the unique data between the data transmission module, transmits it to remote-control intelligent gas meter terminal master controller when receiving the external data that comes from data transmission module; Described data transmission module directly receives and comes from long-range external data of selling the gas management system;
Above-mentioned FLASH memory is used for storing control and the documentor that remote-control intelligent gas meter calls for remote-control intelligent gas meter terminal master controller;
Above-mentioned remote-control intelligent gas meter terminal master controller is used for when receiving the external data that comes from external data interface, the gas management system that sells that sends external data is carried out authentication, judge whether to obtain the encrypted packets in this external data, when judged result when being legal, then deciphering and carry out the operation of corresponding table end according to the affairs that comprise in the packet.
According to above-mentioned technical scheme as can be known, the technical problem that present embodiment solved for by above-mentioned functions remote-control intelligent gas meter terminal master controller, at first carry out authentication and data encrypting and deciphering in advance what itself and external data interface carried out exchanges data, thereby cooperate gas company that the remote-control intelligent gas meter of terminal is managed, to eliminate the risk of information security management in the gas company operation.
With reference to shown in Figure 2, in another embodiment of the present invention, in conjunction with in this area about the known technology of remote-control intelligent gas meter, in above-mentioned remote-control intelligent gas meter, also mechanical metering device and signal pre-processing circuit should be set, and mechanical metering device is provided with combustion gas input port and combustion gas delivery outlet, and its inside is equipped with electromechanical valve and dynamoelectric signal conversion equipment at least, and wherein the dynamoelectric signal conversion equipment inserts remote-control intelligent gas meter terminal master controller by signal pre-processing circuit; Electromechanical valve then inserts remote-control intelligent gas meter terminal master controller by the electromechanical valve control circuit, remote-control intelligent gas meter terminal master controller is by the switch motion of electromechanical valve control circuit control electromechanical valve, promptly constitutes valve control module in the remote-control intelligent gas meter by electromechanical valve and electromechanical valve control circuit.
Again with reference to shown in Figure 1, further, display circuit, crystal oscillating circuit and program also can be set in the above-mentioned remote-control intelligent gas meter download mouth, described display circuit, crystal oscillating circuit and program are downloaded mouth and are all inserted above-mentioned remote-control intelligent gas meter terminal master controller, wherein: described remote-control intelligent gas meter terminal master controller inserts LCDs by display circuit, its Various types of data information that act as remote-control intelligent gas meter presents on LCDs, and the information that is presented for example remains tolerance, switch valve state or the like; Described crystal oscillating circuit is used for providing clock signal to remote-control intelligent gas meter terminal main controller, and VCC and VSS two pins provide working power for remote-control intelligent gas meter; And acting as of program download mouth is downloaded to relevant program in the FLASH memory by remote-control intelligent gas meter terminal master controller, and the real-time upgrading cipher key procedures is avoided leaking the risk of being brought because of key.
Mention as the foregoing description, the present invention is except the information security management function, come down to a kind of remote-control intelligent gas meter with information security management function, it is based on the IC-card intelligent gas meter, realize a kind of intelligent gas meter of facility information remote transmission and apparatus remote control in conjunction with the remote transmission technology, it is to be transmission medium with the remote communication module, selling the gas management system is platform, based on the displacement machine measurement technology, pass through electronic-metering technology, dynamo-electric switch technology, the valve control techniques, data processing technique, telecommunication technique, the combination of combination technique realizes the electronics metering, remote valve control, Long-distance Control, long-range gas meter, flow meter of function such as supplementing with money.
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, provide a kind of above-mentioned remote-control intelligent gas meter terminal master controller to carry out the concrete mode that authentication, data check and affairs are carried out to selling the gas management system, when promptly the identity of selling the gas management system when remote-control intelligent gas meter terminal master controller authentication is legal, decrypted data packet and the integrality of data is carried out verification then by the data check module, otherwise then by the reset circuit initial condition that resets;
After data integrity verifying passes through, by the data check module validity of data is verified again, otherwise then by the reset circuit initial condition that resets;
After Validation of Data is passed through, the affairs that comprise in the data are carried out preliminary treatment, and generate return information at the preliminary treatment result, described return information is encrypted the back return to data transmission module by external data interface, after the effective affirmation that obtains data transmission module, then the preliminary treatment result is approved and stored relevant operation information, thereby carried out operation accordingly among the preliminary treatment result; Otherwise then abandon the preliminary treatment result or make caching process, be specially remote-control intelligent gas meter terminal master controller and in the predefined time, do not receive the affirmation result of data transmission module, 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 remote-control intelligent gas meter terminal master controller is waken up and receives the affirmation information of data transmission module once more, then carries out operation accordingly among the preliminary treatment result in the same way.
Comprised external data in the present embodiment in the above-mentioned technical scheme and authenticated to affairs the external data by the performed whole flow process of remote-control intelligent gas meter terminal master controller from selling the gas management system identity, by the program setting of above-mentioned flow process, further strengthened remote-control intelligent gas meter to receiving the fail safe of information and executing.The initial condition and the above-mentioned remote-control intelligent gas meter terminal master controller of repeatedly mentioning resets, be the state of remote-control intelligent gas meter terminal master controller before carrying out above-mentioned any one operation that reset, for example remote-control intelligent gas meter terminal master controller is a resting state receiving the state of external data before carrying out authentication, when receiving that external data is waken up by resting state, but the authentication of selling the gas management system is judged as when illegal, remote-control intelligent gas meter terminal master controller then recovers resting state by reset circuit, do not carry out any operation, the situation of processor reset also substantially as hereinbefore in other step; And reset circuit also can be considered a chip virtual module in the remote-control intelligent gas meter terminal master controller in the present invention; When authentication failed, remote-control intelligent gas meter terminal master controller can be stored operation note, so that follow-up checking.
Mention as above-mentioned, by above-mentioned display circuit and LCDs, and the display driving software of remote-control intelligent gas meter terminal master controller inside constitutes the display module in the remote-control intelligent gas meter jointly, the passive remote-control intelligent gas meter terminal main controller controls that is subjected to of display module shows relevant table client information by LCDs.
In another embodiment of the present invention, for realizing managing by the remote-control intelligent gas meter of different rights to user terminal, need in above-mentioned FLASH memory, to preset protocols limit condition and a plurality of different cipher key procedures, and above-mentioned control and documentor can be thought the general name of protocols limit condition and a plurality of different cipher key procedures, it act as at remote-control intelligent gas meter respectively when the different gas management system that sells carries out exchanges data, remote-control intelligent gas meter terminal master controller 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 gas management system is sold in authentication, and after encrypted packets deciphering and completeness check pass through, according to the protocols limit condition,, judge whether the affairs in the data are carried out preliminary treatment in current validity of selling under the gas management system identity by data check module verification data.
According to another embodiment of the present invention, mention as above-mentioned, buffer memory for ease of remote-control intelligent gas meter terminal master controller preliminary treatment result, in remote-control intelligent gas meter, also relatively independent eeprom memory can be set, be used to store the associative operation information of remote-control intelligent gas meter terminal master controller, and remote-control intelligent gas meter terminal master controller is to the preliminary treatment result of affairs in the external data.Can be and in the FLASH memory, also be provided with by other program of remote-control intelligent gas meter terminal master controller utilization, after for example making the associative operation information of remote-control intelligent gas meter terminal master controller in a single day be stored in the eeprom memory, can not be deleted with revise so that make the running status of remote-control intelligent gas meter stay complete record.
On the other hand, FLASH memory of being mentioned in the present embodiment and eeprom memory can be independent of remote-control intelligent gas meter terminal master controller, also can directly be integrated in the remote-control intelligent gas meter terminal master controller, divide to be provided with by concrete chip and play above-mentioned memory function.
With reference to shown in Figure 1, the above-mentioned remote-control intelligent gas meter terminal master controller of having mentioned can carry out encryption and decryption to the data from data transmission module, in another embodiment of the present invention, also encrypting module can be set separately in remote-control intelligent gas meter directly, this encrypting module can be independently, form that also can software program is stored in the FLASH memory, it act as remote-control intelligent gas meter terminal master controller and the exchanges data of selling the gas management system is carried out multistage encryption and decryption, and auxiliary remote-control intelligent gas meter terminal master controller obtains the data encryption key of selling the gas management system and carries out authentication from external data.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) to carrying out encryption and decryption by the data of coming and going in the external data interface.
According to the form that above-mentioned encrypting module exists in remote-control intelligent gas meter, the data check module in the above embodiment of the present invention also is identical situation, and promptly it can be independently, and form that also can software program is stored in the FLASH memory.
With reference to shown in Figure 1, make above-mentioned remote-control intelligent gas meter have the IC-card read functions of present main flow intelligent gas meter simultaneously concurrently for satisfying, in another embodiment of the present invention, also can set up the IC-card information exchange module therein, and remote-control intelligent gas meter terminal master controller inserted the IC-card information exchange module by external data interface, be used for when receiving the external data that comes from the IC-card information exchange module, transmitting it to remote-control intelligent gas meter terminal master controller, remote-control intelligent gas meter identical verification and operation when carrying out with the external data that receives data transmission module to this external data, and the IC-card information exchange module reads by IC-card and sells the gas management external data that system is write.
Further, in another embodiment of the present invention, above-mentioned remote-control intelligent gas meter terminal master controller is the core of whole remote-control intelligent gas meter, realize the control of being correlated with, function such as carry out, reset with this, carry out relevant program command, coordinate between each functional module in order, work efficiently.For remote-control intelligent gas meter terminal master controller itself, can directly adopt single-chip microcomputer or the central processing unit that to carry out cryptographic algorithm in the prior art or have ready-made cryptographic algorithm.
Simultaneously based on data communication mode required in the foregoing description, the inventor is with reference to the data transmittal and routing form of present remote-control intelligent gas meter main flow, think that above-mentioned data transmission module can adopt network communication module or bus communication module etc., adopts wired or wireless signal as data transmission media.And corresponding, the external data interface of remote-control intelligent gas meter terminal master controller preferably is complementary with conventional external data transfer interface in the foregoing description, for example serial line interfaces such as USART interface, SPI interface or I2C interface; Network communication interfaces such as RF module interface, Zigbee module interface, WiFi module interface, bluetooth module interface, infrared module interface, Optical Fiber Transmission interface, data wire coffret and power line transmission interface; And bus interface such as Mbus interface, RS485 interface, CAN interface, to increase the compatibility of remote-control intelligent gas meter terminal master controller and data transmission module.
Have in the foregoing description in the remote-control intelligent gas meter practical application of information security management function, be as good as with existing remote-control intelligent gas meter.As Fig. 1, illustrated in fig. 2, remote-control intelligent gas meter terminal master controller is finished the information exchange with data transmission module according to the operational order of external data.Remote-control intelligent gas meter terminal master controller is realized the electromechanical valve switch motion by the electromechanical valve control circuit, display circuit is with the electromechanical valve state, supplement tolerance with money, residue tolerance or the like information presents on LCDs, the dynamoelectric signal conversion equipment is the signal of telecommunication with the mechanical count conversion of signals, transfer in the remote-control intelligent gas meter terminal master controller by signal pre-processing circuit, remote-control intelligent gas meter terminal master controller is made difference with tolerance value in the memory and the gas consumption value that receives by counting module and is calculated, and the tolerance remaining sum presented in LCDs, remote-control intelligent gas meter directly obtains corresponding external data from the long-range gas management system that sells by data transmission module in wireless or wired mode, thereby carries out relevant remote valve control, operation such as supplement with money; When the remaining sum of supplementing with money in the subscriber's meter was used up, remote-control intelligent gas meter terminal master controller was controlled electromechanical valve in the mechanical metering device by the electromechanical valve control circuit, makes its shutoff, and then stops air feed, treated to open again after the user successfully supplements with money.
With reference to shown in Figure 3, after use has the remote-control intelligent gas meter of information security management function, all outside communication datas of remote-control intelligent gas meter are all undertaken by external data interface, handle after by remote-control intelligent gas meter terminal master controller by the encrypting module encryption and decryption, and remote-control intelligent gas meter terminal master controller is unique with outside interface and the internal processes that carries out exchanges data, therefore selling the gas management system can be considered as terminal with remote-control intelligent gas meter terminal master controller, in order to the management remote-control intelligent gas meter, promptly sell the gas management system compatible various brands with one, the remote-control intelligent gas meter of type is managed concentratedly, effectively reduces gas company to different brands in the zone, the difficulty of type gas meter, flow meter integration management.Go out as shown in Figure 3, remote-control intelligent gas meter with the communication path of selling the gas management system is: the table end is direct or pass through the upper strata multistage communication device, as collector, and repeater, concentrators etc. arrive the gas management system that sells.By above-mentioned path, the table end is directly and sells the gas management system and realize transfer of data.
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 gas meter with information security management function, it is characterized in that: comprise remote-control intelligent gas meter terminal master controller and FLASH memory in the described remote-control intelligent gas meter, described remote-control intelligent gas meter terminal master controller inserts data transmission module by external data interface;
Described external data interface is used to carry out remote-control intelligent gas meter terminal master controller communicates by letter with the unique data between the data transmission module, transmits it to remote-control intelligent gas meter terminal master controller when receiving the external data that comes from data transmission module; Described data transmission module receives from Internet of Things and comes from long-range external data of selling the gas management system;
Described FLASH memory is used for storing control and the documentor that remote-control intelligent gas meter calls for remote-control intelligent gas meter terminal master controller;
Described remote-control intelligent gas meter terminal master controller is used for when receiving the external data that comes from external data interface, the gas management system that sells that sends external data is carried out authentication, judge whether to obtain the encrypted packets in this external data, when judged result when being legal, then deciphering and carry out the operation of corresponding table end according to the affairs that comprise in the packet.
2. the remote-control intelligent gas meter with information security management function according to claim 1, it is characterized in that: when the identity that described remote-control intelligent gas meter terminal master controller also is used for selling the gas management system when authentication is legal, decrypted data packet and the integrality of data is carried out verification then by the data check module, otherwise then by the reset circuit initial condition that resets;
After data integrity verifying passes through, the validity of data is verified by the data check module, otherwise then by the reset circuit initial condition that resets;
After Validation of Data is passed through, the affairs that comprise in the data are carried out preliminary treatment, and generate return information at the preliminary treatment result, described return information is encrypted the back return to data transmission module by external data interface, after the effective affirmation that obtains data transmission module, then the preliminary treatment result is approved and stored relevant operation information, and carried out operation accordingly among the preliminary treatment result; Otherwise then abandon the preliminary treatment result or make caching process.
3. the remote-control intelligent gas meter with information security management function 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 described FLASH memory, be used at remote-control intelligent gas meter respectively when the different gas management system that sells carries out exchanges data, remote-control intelligent gas meter terminal master controller 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 gas management system is sold in authentication, and after encrypted packets deciphering and completeness check pass through, according to the protocols limit condition,, judge whether the affairs in the data are carried out preliminary treatment in current validity of selling under the gas management system identity by data check module verification data.
4. the remote-control intelligent gas meter with information security management function according to claim 1 and 2, it is characterized in that: also comprise eeprom memory in the described remote-control intelligent gas meter, be used to store the associative operation information of remote-control intelligent gas meter terminal master controller, and remote-control intelligent gas meter terminal master controller is to the preliminary treatment result of affairs in the external data;
Described remote-control intelligent gas meter terminal master controller also inserts the IC-card information exchange module by external data interface, be used for when receiving the external data that comes from the IC-card information exchange module, transmitting it to remote-control intelligent gas meter terminal master controller, remote-control intelligent gas meter identical verification and operation when carrying out with the external data that receives data transmission module to this external data.
5. the remote-control intelligent gas meter with information security management function according to claim 1 and 2 is characterized in that: described remote-control intelligent gas meter terminal master controller 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 gas meter with information security management function according to claim 1 and 2, it is characterized in that: described external data interface is at least RF module interface, Zigbee module interface, WiFi module interface, bluetooth module interface, infrared module interface, Optical Fiber Transmission interface, data wire coffret and power line transmission interface, or USART serial line interface, SPI serial line interface and I2C serial line interface, and Mbus bus interface, RS485 bus interface and CAN bus interface in the middle of any one.
7. the remote-control intelligent gas meter with information security management function according to claim 1 and 2, it is characterized in that: also comprise encrypting module in the described remote-control intelligent gas meter, be used for remote-control intelligent gas meter terminal master controller and the exchanges data of selling the gas management system are carried out multistage encryption and decryption, and auxiliary remote-control intelligent gas meter terminal master controller obtains the data encryption key of selling the gas management system and carries out authentication from external data.
8. the remote-control intelligent gas meter with information security management function according to claim 7 is characterized in that: described encrypting module carries out data encrypting and deciphering by the mode of AES or 3DES.
9. the remote-control intelligent gas meter with information security management function according to claim 1, it is characterized in that: also comprise mechanical metering device and signal pre-processing circuit in the described remote-control intelligent gas meter, electromechanical valve and dynamoelectric signal conversion equipment are installed in the described mechanical metering device at least, and described dynamoelectric signal conversion equipment inserts remote-control intelligent gas meter terminal master controller by signal pre-processing circuit; Described electromechanical valve inserts remote-control intelligent gas meter terminal master controller by the electromechanical valve control circuit.
10. according to claim 1 or 9 described remote-control intelligent gas meters with information security management function, it is characterized in that: also comprise display circuit, crystal oscillating circuit and program download mouth in the described remote-control intelligent gas meter, described display circuit, crystal oscillating circuit and program are downloaded mouth and are all inserted remote-control intelligent gas meter terminal master controller, wherein: described remote-control intelligent gas meter terminal master controller inserts LCDs by display circuit, is used for the Various types of data information of remote-control intelligent gas meter is presented on LCDs; Described crystal oscillating circuit is used for providing clock signal to remote-control intelligent gas meter terminal main controller; Described program is downloaded mouth and is used for relevant program is downloaded to the FLASH memory by remote-control intelligent gas meter terminal master controller, the real-time upgrading cipher key procedures.
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| CN201310114325.8A CN103220133B (en) | 2013-04-03 | 2013-04-03 | There is the remote-control intelligent gas meter of information security management function |
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| CN103220133B CN103220133B (en) | 2015-09-23 |
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| CN103220133B (en) | 2015-09-23 |
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