CN103106744A - Internet of things intelligent gas meter embedded with information security management module - Google Patents
Internet of things intelligent gas meter embedded with information security management module Download PDFInfo
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- CN103106744A CN103106744A CN2013100389528A CN201310038952A CN103106744A CN 103106744 A CN103106744 A CN 103106744A CN 2013100389528 A CN2013100389528 A CN 2013100389528A CN 201310038952 A CN201310038952 A CN 201310038952A CN 103106744 A CN103106744 A CN 103106744A
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Abstract
The invention discloses an internet of things intelligent gas meter embedded with an information security management module. The information security management module comprises a processor, a first data interface, a second data interface and a flash storer, wherein the processor is respectively connected into the first data interface, the second data interface and the flash storer. When the information security management module exchanges data with an internet of things remote control terminal, identity authentication is conducted, and the communicating validity of the information security management module and the internet of things remote control terminal is ensured. A terminal master controller of the internet of things intelligent gas meter can be communicated with the outside only through the information security management module. The internet of things intelligent gas meter embedded with the information security management module is simple in structure of module, can be connected into a gas management system in a seamless mode through the internal information security management module, achieves dispersion manufacture and unified management of the internet of things intelligent gas meter, and is wide in range of application.
Description
Technical field
The present invention relates to a kind of intelligent gas meter, in particular, the present invention relates generally to a kind of Intelligent gas meter based on internet of things that is embedded with the information security management module.
Background technology
Intelligent gas meter based on internet of things need to use telecommunication technique and technology of Internet of things, makes gas meter, flow meter become a terminal device, gas meter, flow meter real-time online and the internet exchange message of internet.The communication path of Intelligent gas meter based on internet of things and its total management system is: data by the Internet network, arrive the Intelligent gas meter based on internet of things total management system by the upper strata multistage communication device.All have the safety issue of data transmission due to telecommunication technique and technology of Internet of things, so there is great risk in the information security management of Intelligent gas meter based on internet of things.Use telecommunication equipment, data may make a mistake, and also may suffer artificial modification, cause Intelligent gas meter based on internet of things out of control, and the gas management system of selling that causes the user can break away from natural gas companies arbitrarily uses gas.Use the Internet network, Internet Server is easily under attack, and in the unwitting situation of Intelligent gas meter based on internet of things user, information is read and distorts; The disabled user forges and to copy the Intelligent gas meter based on internet of things equipment identities, assumes another's name to be input to and sells in the gas management system, can Update Table, steal tolerance, and make gas company suffer economic loss.
The Intelligent gas meter based on internet of things that a plurality of manufacturer production are arranged on market, its safety management mode is different, if gas company has used the Intelligent gas meter based on internet of things of different manufacturers, same when carrying out unified management in selling the gas system, Intelligent gas meter based on internet of things can break away from the management of selling the gas management system, arbitrarily use gas, therefore gas company will suffer economic loss.
It is too huge that the Internet of Things of gas company is sold the gas management system, involve the several data transport module, the several data management system, reached perfect not enough internet at present, all there is uncertainty in the key link of these data transmission, easily produces the exchanges data mistake, easily suffers artificial invasion, cause Internet of Things gas meter, flow meter and the security of selling the exchange of gas management system data can not be guaranteed, to the gas company economic loss.As can be seen from the above, there are too many risk factors in Intelligent gas meter based on internet of things in safety management, and these risk factors cause the economic loss of gas company, so are necessary to do further improvement for existing Intelligent gas meter based on internet of things.
Summary of the invention
One of purpose of the present invention is for above-mentioned deficiency, a kind of Intelligent gas meter based on internet of things that is embedded with the information security management module is provided, with problems such as the information security management of expecting solution Intelligent gas meter based on internet of things of the prior art and management system thereof can not be guaranteed, thus the risk of information security management in the operation of elimination gas company.
For solving above-mentioned technical matters, the present invention by the following technical solutions:
a kind of Intelligent gas meter based on internet of things that is embedded with the information security management module provided by the present invention, comprise mechanical measuring apparatus, Intelligent gas meter based on internet of things terminal master controller and data transmission module, described mechanical measuring apparatus is provided with combustion gas input port and combustion gas delivery outlet, and electromechanical valve and electromechanical signal conversion device are installed at least in mechanical measuring apparatus, described electromechanical signal conversion device accesses Intelligent gas meter based on internet of things terminal master controller by signal pre-processing circuit, and electromechanical valve is by the described Intelligent gas meter based on internet of things terminal master controller of electromechanical valve control circuit access, also comprise the information security management module in described Intelligent gas meter based on internet of things, described information security management module comprises processor, the first data-interface, the second data-interface and FLASH storer, described processor accesses respectively the first data-interface, the second data-interface and FLASH storer, wherein:
Described the first data-interface access data transport module, be used for to carry out Intelligent gas meter based on internet of things and communicate by letter with the unique data of data transmission module, and transmit it to processor when coming from the external data that data transmission module receives from Internet of Things receiving;
Described FLASH storer is used for control and the documentor of storage information security management module;
Described the second data-interface access Intelligent gas meter based on internet of things terminal master controller, be used for carrying out the data communication between processor and Intelligent gas meter based on internet of things terminal master controller, described Intelligent gas meter based on internet of things 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 the first data-interface, the Internet of Things remote control terminal 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 the second data-interface to Intelligent gas meter based on internet of things terminal master controller according to the affairs that comprise in data.
As preferably, further technical scheme is: the processor of described information security management module is used for when receiving the external data that comes from the first data-interface, according to external data, the Internet of Things remote control terminal is carried out authentication, when authentication result is judged as when legal, encrypted packets is decrypted and completeness check, on the contrary the original state that resets;
After data integrity verifying passes through, the validity of data is verified, on the contrary the original state that resets;
After Validation of Data is passed through, the affairs that comprise in data are carried out pre-service, and obtain corresponding return message by the second data-interface from Intelligent gas meter based on internet of things terminal master controller, after being encrypted, described return message returns to data transmission module by the first data-interface, the pre-service result approved after effectively being confirmed and stored relevant operation information, and to Intelligent gas meter based on internet of things terminal master controller transmit operation instruction; Otherwise abandon the pre-service result or make caching process.
further technical scheme is: preset protocols limit condition and a plurality of different cipher key procedures in described FLASH storer, be used in the information security management module respectively when different Internet of Things remote control terminal carries out exchanges data, processor is compared according to a plurality of cipher key procedures that preset in the encryption key of external data and FLASH storer, thereby the identity of authentication Internet of Things remote control terminal, and after encrypted packets deciphering and completeness check pass through, according to the validity of protocols limit condition Verification data under current identity, judge whether the affairs in data are carried out pre-service,
Also comprise the IC-card information exchange module in described Intelligent gas meter based on internet of things, described the first data-interface access IC-card information exchange module, be used for transmitting it to processor when receiving the external data that comes from the IC-card information exchange module, 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 described information security management module, described eeprom memory also accesses processor, be used for storage of processor to the associative operation information of Intelligent gas meter based on internet of things terminal master controller, and processor is to the pre-service result of affairs in external data.
Described Intelligent gas meter based on internet of things terminal master controller also is connected with LCDs by liquid crystal display circuit, is used for the Various types of data information of Intelligent gas meter based on internet of things is presented on LCDs.
Further technical scheme is: described processor is for carrying out 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 the 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 or Optical Fiber Transmission interface, data line transmission interface, line of electric force transmission interface; Described bus interface is at least any one in the middle of Mbus bus interface, RS485 bus interface, CAN bus interface.
Further technical scheme is: described the second data-interface is at least any one in the middle of USART serial line interface, SPI serial line interface or I2C serial line interface.
Further technical scheme is: described information security management module also comprises encrypting module, described encrypting module access processor, be used for the multistage encryption and decryption to information security management module and Internet of Things remote control terminal, Intelligent gas meter based on internet of things terminal master controller exchanges data, and the data encryption key that auxiliary processor obtains the Internet of Things remote control terminal carries out authentication.
Further technical scheme is: described encrypting module carries out data encrypting and deciphering by the mode of AES or 3DES.
Compared with prior art, one of beneficial effect of the present invention is: by embed the information security management module in Intelligent gas meter based on internet of things, carry out authentication when making it carry out exchanges data by data transmission module and Internet of Things remote control terminal, guaranteed the legitimacy of both communication, and Intelligent gas meter based on internet of things terminal master controller must could communicate with the outside by the information security management module; Gas company utilizes the information security management module in gas meter, flow meter, can realize the authority setting of differentiated control by different keys, and adopt 3DES/AES multi-level encryption mode, make key safety higher, and upgrading key can download cause for gossip by the program on the information security management module time, the risk of avoiding key exposure to bring; By built-in data verifying program, guarantee that the data of transmission are true, accurate, complete.Simultaneously a kind of Intelligent gas meter based on internet of things that is embedded with the information security management module provided by the present invention is simple in structure, but the information security management module seamless access civil gas management system by inside, realize that Intelligent gas meter based on internet of things disperses to make, unified management, range of application is wide, and guarantee the independence of gas company on gas meter, flow meter is controlled, and be not subjected to extraneous restriction.
Description of drawings
Fig. 1 is for being used for the Intelligent gas meter based on internet of things structured flowchart of explanation one embodiment of the invention;
The information security management modular structure block diagram that Fig. 2 is embedded with for being used for the explanation one embodiment of the invention;
Fig. 3 is for being used for the management system block diagram of the explanation embodiment of the present 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 Intelligent gas meter based on internet of things that are embedded with the information security management module, comprise mechanical measuring apparatus, Intelligent gas meter based on internet of things terminal master controller and data transmission module, described mechanical measuring apparatus is provided with combustion gas input port and combustion gas delivery outlet, and electromechanical valve and electromechanical signal conversion device are installed at least in mechanical measuring apparatus, described electromechanical signal conversion device accesses Intelligent gas meter based on internet of things terminal master controller by signal pre-processing circuit, and electromechanical valve is by the described Intelligent gas meter based on internet of things terminal master controller of electromechanical valve control circuit access, unlike the prior art be, also comprise the information security management module in described Intelligent gas meter based on internet of things, described information security management module comprises processor, the first data-interface, the second data-interface and FLASH storer, described processor accesses respectively the first data-interface, the second data-interface and FLASH storer, wherein:
Above-mentioned the first data-interface access data transport module, effect is to carry out Intelligent gas meter based on internet of things to communicate by letter with the unique data of data transmission module, and transmits it to processor when coming from the external data that data transmission module receives from Internet of Things receiving;
The effect of above-mentioned FLASH storer is control and the documentor in storage information security management module;
Above-mentioned the second data-interface access Intelligent gas meter based on internet of things terminal master controller, effect is the data communication of carrying out between processor and Intelligent gas meter based on internet of things terminal master controller, and the effect of Intelligent gas meter based on internet of things 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 the first data-interface, the Internet of Things remote control terminal that sends external data is carried out authentication, judge whether to obtain encrypted packets in this external data, and send corresponding operational order by the second data-interface to Intelligent gas meter based on internet of things terminal master controller according to the affairs that comprise in data.
According to above-mentioned technical scheme as can be known, the technical matters that the present embodiment solves is the information security management module by above-mentioned composition structure, carry out data retransmission between Multi-stage transmission transfer device in Intelligent gas meter based on internet of things Intelligent gas meter based on internet of things terminal master controller and Internet of Things, Internet of Things remote control terminal, and authenticated and encryption and decryption when forwarding, thereby coordinate gas company that the intelligent gas meter of terminal is managed, to eliminate the risk of information security management in the gas company operation.
And the Oscillator module shown in Fig. 1 and pin XIN, XOUT provide clock signal to the information security management module; The RAM storer 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 continued power and can not being provided by Intelligent gas meter based on internet of things terminal master controller pin.
Again with reference to shown in Figure 1, be used in the present invention the embodiment that the technical solution problem is more preferably, the concrete mode of a kind of processor of above-mentioned information security management module to the authentication of Internet of Things remote control terminal and affairs execution is provided, namely when its processor receives the external data that comes from the first data-interface, according to external data, the Internet of Things remote control terminal is carried out authentication, when authentication result is judged as when legal, encrypted packets is decrypted and completeness check, on the contrary the original state that resets;
After data integrity verifying passes through, the validity of data is verified, on the contrary the original state that resets;
After Validation of Data is passed through, the affairs that comprise in data are carried out pre-service, and obtain corresponding return message by the second data-interface from Intelligent gas meter based on internet of things terminal master controller, after being encrypted, described return message returns to data transmission module by the first data-interface, the pre-service result approved after effectively being confirmed and stored relevant operation information, and to Intelligent gas meter based on internet of things terminal master controller transmit operation instruction; Otherwise abandon the pre-service result or make caching process, namely do not receive the confirmation result of data transmission module within the predefined time, for example do not receive the confirmation information of data transmission module in three minutes, original state resets; Aforesaid caching process refers to the pre-service object command is kept in, when processor is waken up and receives the confirmation information of data transmission module again, in the same way to Intelligent gas meter based on internet of things terminal master controller transmit operation instruction.
The affairs of the present embodiment peripheral data from the authentication of Internet of Things remote control terminal to external data have been comprised in above-mentioned technical scheme by the performed whole flow process of processor, by the programming of above-mentioned flow process, further strengthened in the Intelligent gas meter based on internet of things information security management module to receiving the security of information and executing.And the above-mentioned processor reset original state 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 dormant state to processor, when receiving that external data is waken up by dormant state, but the authentication of Internet of Things remote control terminal is judged as when illegal, processor recovers dormant state, do not carry out any operation, in other step, the situation of processor reset also substantially as hereinbefore, when authentication failed, processor can be stored operation note.Simultaneously the above-mentioned Internet of Things remote control terminal of mentioning is various communication object, and different communication objects finally is connected to the gas management system of selling.
and it is same, in another embodiment of the present invention, for realizing by different rights, the information security management module being managed, need to preset protocols limit condition and a plurality of different cipher key procedures in above-mentioned FLASH storer, it act as in the information security management module respectively when different Internet of Things remote control terminal carries out exchanges data, processor is compared according to a plurality of cipher key procedures that preset in the encryption key of external data and FLASH storer, thereby the identity of authentication Internet of Things remote control terminal, and after encrypted packets deciphering and completeness check pass through, according to the validity of protocols limit condition Verification data under current identity, judge whether the affairs in data are carried out pre-service,
With reference to shown in Figure 2, make above-mentioned Intelligent gas meter based on internet of things have simultaneously the IC-card read functions of present main flow intelligent gas meter concurrently for satisfying, also can set up therein the IC-card information exchange module, with above-mentioned the first data-interface access IC-card information exchange module, be used for transmitting it to processor when receiving the external data that comes from the IC-card information exchange module, 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 pre-service result, also relatively independent eeprom memory can be set in the information security management module, and eeprom memory is also accessed processor, be used for storage of processor to the associative operation information of Intelligent gas meter based on internet of things terminal master controller, the pre-service result of processor to affairs in external data, and the failure record of processor checking, and also be provided with other program that to be utilized by processor in the FLASH storer, after in a single day be processor be stored in eeprom memory to the associative operation information of Intelligent gas meter based on internet of things terminal master controller, with unsuppressible-suppression and modification, in order to make the running status of information security management module stay complete record.
the Intelligent gas meter based on internet of things that is embedded with the information security management module in above-described embodiment in actual applications, be as good as with existing Intelligent gas meter based on internet of things, it is on the technical foundation of remote-control intelligent gas meter, pass through technology of Internet of things, make gas meter, flow meter become a terminal device of internet, real-time online, intelligent gas meter with the internet exchange message, go out as shown in Figure 1, Intelligent gas meter based on internet of things terminal master controller is according to the operational order of information security management module, the control signal pre-process circuit coordinates with electromechanical signal conversion device in mechanical measuring apparatus to complete the function such as supplements with money, tally function is converted to electric signal by electromechanical signal conversion device with the mechanical count signal in mechanical measuring apparatus, transfer in Intelligent gas meter based on internet of things terminal master controller by signal pre-processing circuit, and will measure accordingly numerical value and present in LCDs by liquid crystal display circuit, by the upper strata multistage communication device such as data acquisition unit, data concentrator and the networking of Internet of Things remote control terminal constituent, the GradeNDivision data area, and then by carrying out the signal distribution and integrate in the internet, guarantee the stability of signal transmission in Internet of Things, when the remaining sum of supplementing with money in subscriber's meter was used up, Intelligent gas meter based on internet of things terminal master controller made its shutoff, and then stops air feed by the electromechanical valve in the mechanical measuring apparatus of electromechanical valve control circuit control.
The processor that above-described embodiment is mentioned is the core of information security management module in Intelligent gas meter based on internet of things, be used for carrying 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 prior art, such as EFM32 etc.
Based on data communication mode required in above-described embodiment, the inventor is with reference to prior art, selected the transmission technology of part in the prior art to realize communicating by letter between processor and interface, but wherein data transmission module Adoption Network communication module or bus communication module, and corresponding with aforesaid data transmission module, but be used in above-described embodiment carrying out unique the first data-interface Adoption Network communication interface or bus interface of communicating by letter 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 and bluetooth module interface, and wired network interface can adopt one or more in the middle of Optical Fiber Transmission interface, data line transmission interface and line of electric force transmission interface; In the middle of above-mentioned bus interface Mbus bus interface, RS485 bus interface, CAN bus interface one or more.
And it is corresponding, the second data-interface that in above-described embodiment, processor and Intelligent gas meter based on internet of things terminal master controller communicate preferably is complementary with conventional master controller, serial line interfaces such as USART interface, SPI interface or I2C interface is to increase the compatibility on information security management module integration and intelligent gas meter.
again with reference to shown in Figure 1, security for data encryption and solution in information security management module in further assurance Intelligent gas meter based on internet of things, be preferably in its inside independently encrypting module is set, and with this encrypting module access processor independently, be used for information security management module and Internet of Things remote control terminal, the multistage encryption and decryption of Intelligent gas meter based on internet of things terminal master controller exchanges data, and the data encryption key that auxiliary processor obtains the Internet of Things remote control terminal carries out authentication, and with reference to the higher cipher mode of security in prior art, the preferred Advanced Encryption Standard that adopts in the AES(cryptography, the abbreviation of English Advanced Encryption Standard) or the triple data encryption algorithm 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 Intelligent gas meter based on internet of things embeds the information security management module, outside all communication datas of gas meter, flow meter are all by forwarding after information security management module encryption and decryption, and the internal processes of information security management module is unique, therefore sell the gas management system and the information security management module in Intelligent gas meter based on internet of things can be considered as terminal, manage intelligent gas meter by Internet of Things, namely sell the gas management system compatible various brands with one, the intelligent gas meter of type is managed concentratedly, effectively reduce gas company to different brands in the zone, the difficulty of the intelligent gas meter integration management of type.As shown in Figure 3, Intelligent gas meter based on internet of things with the exchanges data path of selling the gas management system is: data are by the upper strata multistage communication device, by Internet network (internet), arrive the gas management system of selling.And table end equipment user is by Internet access to netwoks intelligent gas meter total management system.
Except above-mentioned, also need to prove " embodiment ", " another embodiment " that speak of in this manual, " embodiment " etc., refer to specific features, structure or the characteristics described in conjunction with this embodiment and be included 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 instructions.Furthermore, when describing a specific features, 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 embodiments, and these are revised and within embodiment will drop on the disclosed principle scope and spirit of the application.More particularly, in the scope of, accompanying drawing open in the application and claim, can carry out multiple modification and improvement to building block and/or the layout of subject combination layout.Except modification that building block and/or layout are carried out with improving, to those skilled in the art, other purposes will be also obvious.
Claims (10)
1. Intelligent gas meter based on internet of things that is embedded with the information security management module, comprise mechanical measuring apparatus, Intelligent gas meter based on internet of things terminal master controller and data transmission module, described mechanical measuring apparatus is provided with combustion gas input port and combustion gas delivery outlet, and electromechanical valve and electromechanical signal conversion device are installed at least in mechanical measuring apparatus, described electromechanical signal conversion device accesses Intelligent gas meter based on internet of things terminal master controller by signal pre-processing circuit, and electromechanical valve is by the described Intelligent gas meter based on internet of things terminal master controller of electromechanical valve control circuit access, it is characterized in that: also comprise safety management module in described Intelligent gas meter based on internet of things, described safety management module comprises processor, the first data-interface, the second data-interface and FLASH storer, described processor accesses respectively the first data-interface, the second data-interface and FLASH storer, wherein:
Described the first data-interface access data transport module, be used for to carry out Intelligent gas meter based on internet of things and communicate by letter with the unique data of data transmission module, and transmit it to processor when coming from the external data that data transmission module receives from Internet of Things receiving;
Described FLASH storer is used for control and the documentor of storage security administration module;
Described the second data-interface access Intelligent gas meter based on internet of things terminal master controller, be used for carrying out the data communication between processor and Intelligent gas meter based on internet of things terminal master controller, described Intelligent gas meter based on internet of things 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 the first data-interface, the Internet of Things remote control terminal 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 the second data-interface to Intelligent gas meter based on internet of things terminal master controller according to the affairs that comprise in data.
2. the Intelligent gas meter based on internet of things that is embedded with the information security management module according to claim 1, it is characterized in that: the processor of described safety management module also is used for when receiving the external data that comes from the first data-interface, according to external data, the Internet of Things remote control terminal is carried out authentication, when authentication result is judged as when legal, encrypted packets is decrypted and completeness check, on the contrary the original state that resets;
After data integrity verifying passes through, the validity of data is verified, on the contrary the original state that resets;
After Validation of Data is passed through, the affairs that comprise in data are carried out pre-service, and obtain corresponding return message by the second data-interface from Intelligent gas meter based on internet of things terminal master controller, after being encrypted, described return message returns to data transmission module by the first data-interface, the pre-service result approved after effectively being confirmed and stored relevant operation information, and to Intelligent gas meter based on internet of things terminal master controller transmit operation instruction; Otherwise abandon the pre-service result or make caching process.
3. the Intelligent gas meter based on internet of things 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 described FLASH storer, be used at safety management module respectively when different Internet of Things remote control terminal carries out exchanges data, processor is compared according to a plurality of cipher key procedures that preset in the encryption key of external data and FLASH storer, thereby the identity of authentication Internet of Things remote control terminal, and after encrypted packets deciphering and completeness check pass through, according to the validity of protocols limit condition Verification data under current identity, judge whether the affairs in data are carried out pre-service,
Also comprise the IC-card information exchange module in described Intelligent gas meter based on internet of things, described the first data-interface access IC-card information exchange module, be used for transmitting it to processor when receiving the external data that comes from the IC-card information exchange module, processor is carried out the verification identical with the external data that comes from data transmission module to described external data.
4. the Intelligent gas meter based on internet of things 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 described safety management module, described eeprom memory also accesses processor, be used for storage of processor to the associative operation information of Intelligent gas meter based on internet of things terminal master controller, and processor is to the pre-service result of affairs in external data;
Described Intelligent gas meter based on internet of things terminal master controller also is connected with LCDs by liquid crystal display circuit, is used for the Various types of data information of Intelligent gas meter based on internet of things is presented on LCDs.
5. the Intelligent gas meter based on internet of things that is embedded with the information security management module according to claim 1 and 2 is characterized in that: described processor is for carrying out 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 Intelligent gas meter based on internet of things that is embedded with the information security management module according to claim 1 and 2, it is characterized in that: described the first data-interface is network communication interface or bus interface.
7. the Intelligent gas meter based on internet of things 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 or Optical Fiber Transmission interface, data line transmission interface, line of electric force transmission interface; Described bus interface is at least any one in the middle of Mbus bus interface, RS485 bus interface, CAN bus interface.
8. the Intelligent gas meter based on internet of things that is embedded with the information security management module according to claim 1 and 2 is characterized in that: described the second data-interface is at least any one in the middle of USART serial line interface, SPI serial line interface or I2C serial line interface.
9. the Intelligent gas meter based on internet of things that is embedded with the information security management module according to claim 1 and 2, it is characterized in that: described safety management module also comprises encrypting module, described encrypting module access processor, be used for the multistage encryption and decryption to safety management module and Internet of Things remote control terminal, Intelligent gas meter based on internet of things terminal master controller exchanges data, and the data encryption key that auxiliary processor obtains the Internet of Things remote control terminal carries out authentication.
10. the Intelligent gas meter based on internet of things that is embedded with the information security management module according to claim 9, it is characterized in that: described encrypting module carries out data encrypting and deciphering by the mode of AES or 3DES.
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| CN105279934A (en) * | 2015-11-18 | 2016-01-27 | 成都秦川科技发展有限公司 | Intelligent gas meter gas leakage sensing system |
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| CN105491105A (en) * | 2015-11-18 | 2016-04-13 | 成都秦川科技发展有限公司 | Intelligent water meter system with tiered pricing function |
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| CN106683386A (en) * | 2017-03-03 | 2017-05-17 | 济南瑞泉电子有限公司 | Intelligent concentrator of valve control water meter |
| CN109041052A (en) * | 2018-07-02 | 2018-12-18 | 北京市燃气集团有限责任公司 | A kind of safety communicating method and system based on marking algorithm |
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| CN110366147A (en) * | 2019-05-28 | 2019-10-22 | 杭州电力设备制造有限公司 | Ubiquitous Internet of Things indoor distribution shared system monitoring method and space three-dimensional interval are layouted method |
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| CN110381458A (en) * | 2019-07-26 | 2019-10-25 | 北京讯腾智慧科技股份有限公司 | Intelligent gas meter Information Secure Transmission System |
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