CN104580238A - Internet of things intelligent heat meter embedded with information safety management module - Google Patents
Internet of things intelligent heat meter embedded with information safety management module Download PDFInfo
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- CN104580238A CN104580238A CN201510032921.0A CN201510032921A CN104580238A CN 104580238 A CN104580238 A CN 104580238A CN 201510032921 A CN201510032921 A CN 201510032921A CN 104580238 A CN104580238 A CN 104580238A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
- G01F15/06—Indicating or recording devices
- G01F15/061—Indicating or recording devices for remote indication
- G01F15/063—Indicating or recording devices for remote indication using electrical means
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
- H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
- H04L63/0478—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload applying multiple layers of encryption, e.g. nested tunnels or encrypting the content with a first key and then with at least a second key
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
- H04L63/083—Network architectures or network communication protocols for network security for authentication of entities using passwords
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/06—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols the encryption apparatus using shift registers or memories for block-wise or stream coding, e.g. DES systems or RC4; Hash functions; Pseudorandom sequence generators
- H04L9/0618—Block ciphers, i.e. encrypting groups of characters of a plain text message using fixed encryption transformation
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Abstract
The invention discloses an internet of things intelligent heat meter embedded with information safety management module. The information safety management module comprises a processor, a first data interface, a second data interface and a FLASH memorizer, wherein the first data interface, the second data interface and the FLASH memorizer are connected to the processor. The information safety management module performs identity authentication when performing data exchange with an internet of things remote control end, the communication legality of the information safety management module and the internet of things remote control end is ensured, and an internet of things intelligent heat meter terminal main controller can be communicated with the outside only through the information safety management module. In addition, the information safety management module is simple in structure, can be connected to a heat supply management system through the information safety management module in the inside in a seamless mode, disperse manufacture and unified management of the internet of things intelligent heat meter is achieved, and the internet of things intelligent heat meter is wide in application range.
Description
The present invention is the divisional application that applicant proposes according to another part patent of invention of its earlier application, the application number of this application for a patent for invention is: 201310088847.5, the applying date is: on March 19th, 2013, denomination of invention is: the Intelligent water meter of Internet of things being embedded with information security management module.
Technical field
The present invention relates to a kind of intellectual heat meter, in particular, the present invention relates generally to a kind of Intelligent heat energy meter for internet of things being embedded with information security management module.
Background technology
Current, technology of Internet of things is also in the initial development stage, the Intelligent heat energy meter for internet of things developed on this basis and sell heat management system and also constantly to attempt and improving, Intelligent heat energy meter for internet of things and relevant system management network very complicated, requirement has the functions such as metering, control, charge and management, online, need to use telecommunication technique and technology of Internet of things, make heat energy meter become a terminal equipment, heat energy meter real-time online and the internet exchange message of the Internet.The communication path of Intelligent heat energy meter for internet of things and its total management system is: data, by upper strata multistage communication device, by Internet network, arrive Intelligent heat energy meter for internet of things total management system.Because telecommunication technique and technology of Internet of things all exist the safety issue of transfer of data, therefore there is great risk in the information security management of Intelligent heat energy meter for internet of things.Use telecommunication equipment, data may make a mistake, and also may suffer artificial amendment, cause Intelligent heat energy meter for internet of things out of control, and the heat management system of selling causing user can depart from Thermoenergy Corp. arbitrarily uses heat energy.Use Internet network, Internet Server is easily under attack, and in the unwitting situation of Intelligent heat energy meter for internet of things user, information is read and distorts; Certain customers forge and copy Intelligent heat energy meter for internet of things equipment identities, assume another's name to be input to and sell in heat management system, can Update Table, steal heat energy, make Thermoenergy Corp. suffer economic loss.
Market there is the Intelligent heat energy meter for internet of things that different manufacturers is produced, its safety management mode is different, if Thermoenergy Corp. employs the Intelligent heat energy meter for internet of things of different manufacturers, same sell in heat management system carry out unified management time, Intelligent heat energy meter for internet of things can depart from the management of selling heat management system, random use heat energy, therefore Thermoenergy Corp. will suffer economic loss.
It is too huge that the Internet of Things of Thermoenergy Corp. sells heat management system, involve several data transport module, several data management system, and at present perfect not enough internet, all there is uncertainty in the key link of these transfer of data, easily produces exchanges data mistake, easily suffer artificial invasion, cause Internet of Things heat energy meter to can not be guaranteed with the fail safe of selling heat management system exchanges data, economic loss is caused to Thermoenergy Corp..
As can be seen from the above, there are too many risk factors in Intelligent heat energy meter for internet of things in safety management, and these risk factors cause the economic loss of Thermoenergy Corp., is therefore necessary to do further improvement for existing Intelligent heat energy meter for internet of things.
Summary of the invention
An object of the present invention is for above-mentioned deficiency, a kind of Intelligent heat energy meter for internet of things being embedded with information security management module is provided, with technical problems such as the information security management of expecting to solve Intelligent heat energy meter for internet of things of the prior art and management system thereof can not be guaranteed, thus eliminate the risk of information security management in Thermoenergy Corp.'s operation.
For solving above-mentioned technical problem, the present invention by the following technical solutions:
A kind of Intelligent heat energy meter for internet of things being embedded with information security management module provided by the present invention, comprises flow valve control device, flow measurement device, medium temperature checkout gear, Intelligent heat energy meter for internet of things terminal master controller and memory; Described flow measurement device access medium input port, for measuring rate-of flow, and transfers to Intelligent heat energy meter for internet of things terminal master controller by variable; Described flow valve is placed in rate-of flow transmission channel and accesses Intelligent heat energy meter for internet of things terminal master controller, for controlling opening and closedown of heat energy supply by Intelligent heat energy meter for internet of things terminal master controller by flow valve, described medium temperature checkout gear is by A/D converter access Intelligent heat energy meter for internet of things terminal master controller, for detecting the temperature data of input media and output medium, and transferring to Intelligent heat energy meter for internet of things terminal master controller, described memory also accesses Intelligent heat energy meter for internet of things terminal master controller; Information security management module is also comprised in described Intelligent heat energy meter for internet of things, described information security management module comprises processor, the first data-interface, the second data-interface and FLASH memory, described processor accesses the first data-interface, the second data-interface and FLASH memory respectively, wherein:
Described first data-interface access data transport module, communicate with the unique data of data transmission module for performing Intelligent heat energy meter for internet of things, and transmit it to processor when receiving and coming from external data that data transmission module receives from Internet of Things;
Described FLASH memory is for storing control in information security management module and documentor;
Described second data-interface access Intelligent heat energy meter for internet of things terminal master controller, for performing the data communication between processor and Intelligent heat energy meter for internet of things terminal master controller, described Intelligent heat energy meter for internet of things terminal master controller is used for performing the operation of corresponding table end according to the instruction of processor;
Described processor is used for when receiving the external data coming from the first data-interface, authentication is carried out to the Internet of Things remote control terminal sending external data, judge whether to obtain the encrypted packets in this external data, and send corresponding operational order by the second data-interface to Intelligent heat energy meter for internet of things terminal master controller according to the affairs comprised in data.
As preferably, further technical scheme is: the processor of described information security management module is used for when receiving the external data coming from the first data-interface, according to external data, authentication is carried out to Internet of Things remote control terminal, when authentication result is judged as 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, preliminary treatment is carried out to the affairs comprised in data, and from Intelligent heat energy meter for internet of things terminal master controller, obtain corresponding return information by the second data-interface, data transmission module is returned to by the first data-interface by after described return information encryption, then pre-processed results approved after effectively being confirmed and stored relevant operation information, and to Intelligent heat energy meter for internet of things terminal master controller transmit operation instruction; Otherwise then abandon pre-processed results or make caching process.
Further technical scheme is: preset agreement restrictive condition and multiple different cipher key procedures in described FLASH memory, for when information security management module carries out exchanges data from different Internet of Things remote control terminals respectively, processor according to the encryption key of external data compared with multiple cipher key procedures preset in FLASH memory, thus the identity of certification Internet of Things remote control terminal, and after encrypted packets deciphering and completeness check are passed through, according to the validity of agreement restrictive condition verification msg under current identity, judge whether to carry out preliminary treatment to the affairs in data,
IC card information Switching Module is also comprised in described Intelligent heat energy meter for internet of things, described first data-interface access IC card information Switching Module, for transmitting it to processor when receiving the external data coming from IC card information Switching Module, processor performs the verification identical with the external data coming from data transmission module to described external data.
Further technical scheme is: also comprise eeprom memory in described information security management module, described eeprom memory also accesses processor, for the associative operation information of storage of processor to Intelligent heat energy meter for internet of things terminal master controller, and processor is to the pre-processed results of affairs in external data.
Described memory is for storing the data message of the presell thermal energy coming from information security management module forwards; Described Intelligent heat energy meter for internet of things terminal master controller is also connected with liquid crystal display by liquid crystal display circuit, for being deducted the data message initial value of the presell thermal energy in memory according to the variable in flow measurement device by Intelligent heat energy meter for internet of things terminal master controller, and presented on a liquid crystal display by liquid crystal display circuit; Also comprise buzzer in described intellectual heat meter, described Intelligent heat energy meter for internet of things terminal master controller is by surplus judging circuit access buzzer;
Described medium temperature checkout gear comprises supplying media temperature-detecting device and reflux medium temperature-detecting device, and described supplying media temperature-detecting device and reflux medium temperature-detecting device access Intelligent heat energy meter for internet of things terminal master controller respectively by respective A/D converter.
Further technical scheme is: described processor is central processing unit or the single-chip microcomputer that can perform cryptographic algorithm; Described data transmission module is network communication module or bus communication module.
Further technical scheme is: the first described data-interface is network communication interface or bus interface.
Further technical scheme is: described network communication interface be at least in the middle of RF module interface, Zigbee module interface, WiFi module interface, bluetooth module interface or Optical Fiber Transmission interface, data line transfer interface, power line transmission interface any one; Described bus interface be at least in the middle of Mbus bus interface, RS485 bus interface, CAN interface any one.
Further technical scheme is: the second described data-interface be at least in the middle of USART serial line interface, SPI serial line interface or I2C serial line interface any one.
Further technical scheme is: described information security management module also comprises encrypting module, described encrypting module access processor, for the multistage encryption and decryption to information security management module and Internet of Things remote control terminal, Intelligent heat energy meter for internet of things terminal master controller exchanges data, and the data encryption key that auxiliary processor obtains Internet of Things remote control terminal carries out authentication.
Further technical scheme is: described encrypting module is by the AES (Advanced Encryption Standard in cryptography, the abbreviation of English Advanced Encryption Standard) or the mode of 3DES (triple DEA, English Triple Data Encryption Algorithm) carry out data encrypting and deciphering.
Compared with prior art, one of beneficial effect of the present invention is: by embedding information security management module in Intelligent heat energy meter for internet of things, authentication is carried out when making it carry out exchanges data by data transmission module and Internet of Things remote control terminal, ensure that the legitimacy of both communication, and Intelligent heat energy meter for internet of things terminal master controller must could be communicated with outside by information security management module; Thermoenergy Corp. utilizes the information security management module in terminal heat energy meter, the priority assignation of differentiated control can be realized by different keys, and adopt 3DES/AES multi-level encryption mode, make the fail safe of key higher, and by upgrade key during download program cause for gossip in information security management module, avoid the risk that key exposure brings; By built-in data verifying program, ensure that the data of transmission are true, accurate, complete.Simultaneously a kind of Intelligent heat energy meter for internet of things structure being embedded with information security management module provided by the present invention is simple, can seamless access heat supplying managing system by the information security management module of inside, realize Intelligent heat energy meter for internet of things dispersion to manufacture, unified management, range of application is wide, and ensure the independence of Thermoenergy Corp. on terminal heat energy meter controls, and not by extraneous restriction.
Accompanying drawing explanation
Fig. 1 is for illustration of the Intelligent heat energy meter for internet of things structured flowchart in one embodiment of the invention;
Fig. 2 is for for illustration of the information security management modular structure block diagram in one embodiment of the invention embedded by Intelligent heat energy meter for internet of things;
Fig. 3 is for illustration of the management system block diagram in the embodiment of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention is further elaborated.
Shown in figure 1, Fig. 2, one embodiment of the present of invention are a kind of Intelligent heat energy meter for internet of things being embedded with information security management module, comprise flow valve control device, flow measurement device, medium temperature checkout gear, Intelligent heat energy meter for internet of things terminal master controller and memory; Described flow measurement device access medium input port, for measuring rate-of flow, and transfers to Intelligent heat energy meter for internet of things terminal master controller by variable; Described flow valve is placed in rate-of flow transmission channel and accesses Intelligent heat energy meter for internet of things terminal master controller, for controlling opening and closedown of heat energy supply by Intelligent heat energy meter for internet of things terminal master controller by flow valve, described medium temperature checkout gear is by A/D converter access Intelligent heat energy meter for internet of things terminal master controller, for detecting the temperature data of input media and output medium, and transferring to Intelligent heat energy meter for internet of things terminal master controller, described memory also accesses Intelligent heat energy meter for internet of things terminal master controller; Unlike the prior art, information security management module is also comprised in described Intelligent heat energy meter for internet of things, described information security management module comprises processor, the first data-interface, the second data-interface and FLASH memory, described processor accesses the first data-interface, the second data-interface and FLASH memory respectively, wherein:
Above-mentioned first data-interface access data transport module, effect performs Intelligent heat energy meter for internet of things to communicate with the unique data of data transmission module, and transmit it to processor when receiving and coming from external data that data transmission module receives from Internet of Things;
The effect of above-mentioned FLASH memory stores control in information security management module and documentor;
Above-mentioned second data-interface access Intelligent heat energy meter for internet of things terminal master controller, effect performs the data communication between processor and Intelligent heat energy meter for internet of things terminal master controller, and the effect of Intelligent heat energy meter for internet of things terminal master controller performs the operation of respective table end according to the instruction of processor;
The effect of above-mentioned processor is when receiving the external data coming from the first data-interface, authentication is carried out to the Internet of Things remote control terminal sending external data, judge whether to obtain encrypted packets in this external data, and send corresponding operational order by the second data-interface to Intelligent heat energy meter for internet of things terminal master controller according to the affairs comprised in data.
According to above-mentioned technical scheme, the technical problem that the present embodiment solves is the information security management module by above-mentioned composition structure, data retransmission is carried out between Multi-stage transmission transfer device in Intelligent heat energy meter for internet of things terminal master controller and Internet of Things, Internet of Things remote control terminal, and give certification and encryption and decryption when forwarding, thus coordinate the intellectual heat meter of Thermoenergy Corp. to terminal to manage, to eliminate the risk of information security management in Thermoenergy Corp.'s operation.
And the Oscillator module shown in Fig. 1 and pin XIN, XOUT provide clock signal to information security management module; RAM memory is used for the operating ephemeral data of memory module; VCC and VSS two pins provides working power for information security management module, and this power supply should be continued power and can not be provided by Intelligent heat energy meter for internet of things terminal master controller pin.And go out as shown in Figure 1, in the present embodiment, the memory of above-mentioned access Intelligent heat energy meter for internet of things terminal master controller preferably adopts eeprom memory.
Shown in Fig. 1, in the embodiment that the present invention is more preferably for technical solution problem, the concrete mode that a kind of processor of above-mentioned information security management module performs the authentication of Internet of Things remote control terminal and affairs is provided, namely when its processor receives the external data coming from the first data-interface, according to external data, authentication is carried out to Internet of Things remote control terminal, when authentication result is judged as 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, preliminary treatment is carried out to the affairs comprised in data, and from Intelligent heat energy meter for internet of things terminal master controller, obtain corresponding return information by the second data-interface, data transmission module is returned to by the first data-interface by after described return information encryption, then pre-processed results approved after effectively being confirmed and stored relevant operation information, and to Intelligent heat energy meter for internet of things terminal master controller transmit operation instruction; Such as, otherwise then abandon pre-processed results or make caching process, namely do not receive the confirmation result of data transmission module within the time preset, do not receive the confirmation of data transmission module in three minutes, then reset initial condition; Aforesaid caching process refers to keeps in pre-processed results instruction, when processor is again waken up and receives the confirmation of data transmission module, then in the same way to Intelligent heat energy meter for internet of things terminal master controller transmit operation instruction.
The whole flow process of the present embodiment peripheral data from the authentication of Internet of Things remote control terminal to the affairs external data performed by processor is contained in above-mentioned technical scheme, by the programming of above-mentioned flow process, to further enhance in Intelligent heat energy meter for internet of things information security management module to the fail safe receiving information and executing.And the above-mentioned processor reset initial condition repeatedly mentioned, be resetting processor and perform the state before any one operation above-mentioned, it is resting state that such as processor carried out the state of authentication before receiving external data, be waken up by resting state when receiving external data, but when being judged as illegal to the authentication of Internet of Things remote control terminal, processor then recovers resting state, do not carry out any operation, in other step, the situation of processor reset also substantially as hereinbefore, when failing the authentication, operation note can be stored by processor.Above-mentioned mentioned Internet of Things remote control terminal is various different communication object simultaneously, and different communication objects is finally connected to heat energy and sells management system.
And it is same, in another embodiment of the invention, for realizing being managed information security management module by different rights, need in above-mentioned FLASH memory preset agreement restrictive condition and multiple different cipher key procedures, it act as when information security management module carries out exchanges data from different Internet of Things remote control terminals respectively, processor according to the encryption key of external data compared with multiple cipher key procedures preset in FLASH memory, thus the identity of certification Internet of Things remote control terminal, and after encrypted packets deciphering and completeness check are passed through, according to the validity of agreement restrictive condition verification msg under current identity, judge whether to carry out preliminary treatment to the affairs in data,
Shown in figure 2, make above-mentioned Intelligent heat energy meter for internet of things have the IC-card read functions of current main flow intellectual heat meter concurrently for meeting simultaneously, also can set up IC card information Switching Module wherein, by above-mentioned first data-interface access IC card information Switching Module, for transmitting it to processor when receiving the external data coming from IC card information Switching Module, processor performs the verification identical with the external data coming from data transmission module to described external data.
According to another embodiment of the present invention, as mentioned here above, for ease of the buffer memory of processor pre-processed results, in information security management module, also relatively independent eeprom memory can be set, and eeprom memory is also accessed processor, for the associative operation information of storage of processor to Intelligent heat energy meter for internet of things terminal master controller, processor is to the pre-processed results of affairs in external data, and the failure record of processor checking, and in FLASH memory, be also provided with other program that can be utilized by processor, namely processor to the associative operation information of Intelligent heat energy meter for internet of things terminal master controller once be stored to after in eeprom memory, by unsuppressible-suppression and amendment, to make the running status of information security management module leave complete record.
The Intelligent heat energy meter for internet of things being embedded with information security management module in above-described embodiment in actual applications, be as good as with existing Intelligent heat energy meter for internet of things, it is in the technical foundation of remote-control intelligent heat energy meter, pass through technology of Internet of things, heat energy meter is made to become a terminal equipment of the Internet, real-time online, with the intellectual heat meter of internet exchange message, go out as shown in Figure 1, Intelligent heat energy meter for internet of things master controller obtains data message from flow measurement device, the data come from the data of flow measurement device and memory are carried out difference operation, Intelligent heat energy meter for internet of things master controller connects buzzer by surplus judging circuit, when heat energy value is about to use up, send alarm sound prompting user to need to supplement with money, Intelligent heat energy meter for internet of things master controller is also by the open and close of flow valve, play the effect of the break-make of control medium traffic transport passage, when rate-of flow transmission channel disconnects, namely heat supply is stopped.
As mentioned here above, memory is for storing the data message of the presell thermal energy coming from information security management module forwards, described Intelligent heat energy meter for internet of things terminal master controller is also connected with liquid crystal display by liquid crystal display circuit, for being deducted the data message initial value of the presell thermal energy in memory according to the variable in flow measurement device by Intelligent heat energy meter for internet of things terminal master controller, and presented on a liquid crystal display by liquid crystal display circuit; Networked by the upper strata such as data acquisition unit, data concentrator multistage communication device and Internet of Things remote control terminal constituent, GradeNDivision data area, and then carry out signal distribution by the Internet and integrate, ensure the stability of Signal transmissions in Internet of Things; When the balance depletion of supplementing with money in subscriber's meter, Intelligent heat energy meter for internet of things terminal master controller completes the closing motion of rate-of flow transmission channel by flow valve, and the medium namely cut off with heat enters thermoconverter, stops heat supply.
In addition, inventor is also with reference to the structure of intellectual heat meter in prior art, make above-mentioned medium temperature checkout gear should comprise supplying media temperature-detecting device and reflux medium temperature-detecting device, described supplying media temperature-detecting device and reflux medium temperature-detecting device access Intelligent heat energy meter for internet of things terminal master controller respectively by respective A/D converter, for detecting the different temperatures value of input media and output medium respectively, and Intelligent heat energy meter for internet of things terminal master controller should be provided with the threshold range of the difference of supplying media temperature and reflux medium temperature, when both differences are outside threshold range, then illustrate that thermoconverter is abnormal, controllable flow rate valve cuts out, stop heat supply.
The processor that above-described embodiment is mentioned is the core of information security management module in Intelligent heat energy meter for internet of things, for performing corresponding program and data encryption, in another embodiment of the present invention, above-mentioned processor is directly adopt the central processing unit or single-chip microcomputer that can perform cryptographic algorithm in prior art, such as EFM32 etc.
Based on data communication mode required in above-described embodiment, inventor is with reference to prior art, to select in prior art the communication that the transmission technology of part realizes between processor and interface, wherein data transmission module can adopt network communication module or bus communication module, and corresponding with aforesaid data transmission module, the first data-interface for carrying out unique communication with data transmission module in above-described embodiment can adopt network communication interface or bus interface.
Further, above-mentioned network communication interface can adopt wireless or wired form, radio network interface can adopt in the middle of RF module interface, Zigbee module interface, WiFi module interface and bluetooth module interface one or more, wired network interface can adopt in the middle of Optical Fiber Transmission interface, data line transfer interface and power line transmission interface one or more; Above-mentioned bus interface be Mbus bus interface, RS485 bus interface, in the middle of CAN interface one or more.
And it is corresponding, the second data-interface that in above-described embodiment, processor and Intelligent heat energy meter for internet of things terminal master controller carry out communicating preferably matches with conventional master controller, the serial line interfaces such as such as USART interface, SPI interface or I2C interface, to increase the compatibility of information security management module integration on intellectual heat meter.
Shown in Fig. 1, for ensureing the fail safe of data encryption and solution in information security management module in Intelligent heat energy meter for internet of things further, preferably independently encrypting module is set therein, and by this independently encrypting module access processor, for to information security management module and Internet of Things remote control terminal, the multistage encryption and decryption of Intelligent heat energy meter for internet of things terminal master controller exchanges data, and the data encryption key that auxiliary processor obtains Internet of Things remote control terminal carries out authentication, and the cipher mode that in reference prior art, fail safe is higher, the preferred employing AES (Advanced Encryption Standard in cryptography, the abbreviation of English Advanced EncryptionStandard) or 3DES (triple DEA, English Triple Data EncryptionAlgorithm) encryption and decryption is carried out to the data of coming and going in information security management module.
Shown in Fig. 3, after Intelligent heat energy meter for internet of things embeds information security management module, the outside all communication datas of Intelligent heat energy meter for internet of things are all by forwarding after information security management module encryption and decryption, and the internal processes of information security management module is unique, therefore heat energy is sold management system and the information security management module in Intelligent heat energy meter for internet of things can be considered as terminal, Intelligent heat energy meter for internet of things is managed by Internet of Things, namely the compatible various brand of management system is sold with a heat energy, the Intelligent heat energy meter for internet of things of type is managed concentratedly, effective reduction Thermoenergy Corp. is to different brands in region, the difficulty of the Intelligent heat energy meter for internet of things integration management of type.As shown in Figure 3, the exchanges data path that Intelligent heat energy meter for internet of things and heat energy sell management system is: data, by upper strata multistage communication device, by Internet network (the Internet), arrive heat energy and sell management system.And table end equipment user sells management system by Internet network access heat energy.
Than that described above, also it should be noted that spoken of in this manual " embodiment ", " another embodiment ", " embodiment " etc., refer to the specific features, structure or the feature that describe in conjunction with this embodiment and be included at least one embodiment of the application's generality description.Multiple place occurs that statement of the same race is not necessarily refer to same embodiment in the description.Furthermore, when describing specific features, structure or a feature in conjunction with any embodiment, what advocate is also fall within the scope of the invention to realize this feature, structure or feature in conjunction with other embodiments.
Although with reference to multiple explanatory embodiment of the present invention, invention has been described here, but, should be appreciated that, those skilled in the art can design a lot of other amendment and execution mode, these amendments and execution mode will drop within spirit disclosed in the present application and spirit.More particularly, in the scope of, accompanying drawing open in the application and claim, multiple modification and improvement can be carried out to the building block of subject combination layout and/or layout.Except the modification of carrying out building block and/or layout is with except improvement, to those skilled in the art, other purposes also will be obvious.
Claims (10)
1. be embedded with an Intelligent heat energy meter for internet of things for information security management module, comprise flow valve control device, flow measurement device, medium temperature checkout gear, Intelligent heat energy meter for internet of things terminal master controller and memory; Described flow measurement device access medium input port, for measuring rate-of flow, and transfers to Intelligent heat energy meter for internet of things terminal master controller by variable; Described flow valve is placed in rate-of flow transmission channel and accesses Intelligent heat energy meter for internet of things terminal master controller, for controlling opening and closedown of heat energy supply by Intelligent heat energy meter for internet of things terminal master controller by flow valve, described medium temperature checkout gear is by A/D converter access Intelligent heat energy meter for internet of things terminal master controller, for detecting the temperature data of input media and output medium, and transferring to Intelligent heat energy meter for internet of things terminal master controller, described memory also accesses Intelligent heat energy meter for internet of things terminal master controller; It is characterized in that: in described Intelligent heat energy meter for internet of things, also comprise safety management module, described safety management module comprises processor, the first data-interface, the second data-interface and FLASH memory, described processor accesses the first data-interface, the second data-interface and FLASH memory respectively, wherein:
Described first data-interface access data transport module, communicate with the unique data of data transmission module for performing Intelligent heat energy meter for internet of things, and transmit it to processor when receiving and coming from external data that data transmission module receives from Internet of Things;
Described FLASH memory is for the control in storage security administration module and documentor;
Described second data-interface access Intelligent heat energy meter for internet of things terminal master controller, for performing the data communication between processor and Intelligent heat energy meter for internet of things terminal master controller, described Intelligent heat energy meter for internet of things terminal master controller is used for performing the operation of corresponding table end according to the instruction of processor;
Described processor is used for when receiving the external data coming from the first data-interface, authentication is carried out to the Internet of Things remote control terminal sending external data, judge whether to obtain the encrypted packets in this external data, and send corresponding operational order by the second data-interface to Intelligent heat energy meter for internet of things terminal master controller according to the affairs comprised in data.
2. the Intelligent heat energy meter for internet of things being embedded with information security management module according to claim 1, it is characterized in that: the processor of described safety management module is also for when receiving the external data coming from the first data-interface, according to external data, authentication is carried out to Internet of Things remote control terminal, when authentication result is judged as 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, preliminary treatment is carried out to the affairs comprised in data, and from Intelligent heat energy meter for internet of things terminal master controller, obtain corresponding return information by the second data-interface, data transmission module is returned to by the first data-interface by after described return information encryption, then pre-processed results approved after effectively being confirmed and stored relevant operation information, and to Intelligent heat energy meter for internet of things terminal master controller transmit operation instruction; Otherwise then abandon pre-processed results or make caching process.
3. the Intelligent heat energy meter for internet of things being embedded with information security management module according to claim 1 and 2, it is characterized in that: in described FLASH memory, preset agreement restrictive condition and multiple different cipher key procedures, for when safety management module carries out exchanges data from different Internet of Things remote control terminals respectively, processor according to the encryption key of external data compared with multiple cipher key procedures preset in FLASH memory, thus the identity of certification Internet of Things remote control terminal, and after encrypted packets deciphering and completeness check are passed through, according to the validity of agreement restrictive condition verification msg under current identity, judge whether to carry out preliminary treatment to the affairs in data,
IC card information Switching Module is also comprised in described Intelligent heat energy meter for internet of things, described first data-interface access IC card information Switching Module, for transmitting it to processor when receiving the external data coming from IC card information Switching Module, processor performs the verification identical with the external data coming from data transmission module to described external data.
4. the Intelligent heat energy meter for internet of things being embedded with information security management module according to claim 1 and 2, it is characterized in that: in described safety management module, also comprise eeprom memory, described eeprom memory also accesses processor, for the associative operation information of storage of processor to Intelligent heat energy meter for internet of things terminal master controller, and processor is to the pre-processed results of affairs in external data;
Described memory is for storing the data message of the presell thermal energy coming from information security management module forwards; Described Intelligent heat energy meter for internet of things terminal master controller is also connected with liquid crystal display by liquid crystal display circuit, for being deducted the data message initial value of the presell thermal energy in memory according to the variable in flow measurement device by Intelligent heat energy meter for internet of things terminal master controller, and presented on a liquid crystal display by liquid crystal display circuit; Also comprise buzzer in described intellectual heat meter, described Intelligent heat energy meter for internet of things terminal master controller is by surplus judging circuit access buzzer;
Described medium temperature checkout gear comprises supplying media temperature-detecting device and reflux medium temperature-detecting device, and described supplying media temperature-detecting device and reflux medium temperature-detecting device access Intelligent heat energy meter for internet of things terminal master controller respectively by respective A/D converter.
5. the Intelligent heat energy meter for internet of things being embedded with information security management module according to claim 1 and 2, is characterized in that: described processor is central processing unit or the single-chip microcomputer that can perform cryptographic algorithm; Described data transmission module is network communication module or bus communication module.
6. the Intelligent heat energy meter for internet of things being embedded with information security management module according to claim 1 and 2, is characterized in that: the first described data-interface is network communication interface or bus interface.
7. the Intelligent heat energy meter for internet of things being embedded with information security management module according to claim 6, is characterized in that: described network communication interface be at least in the middle of RF module interface, Zigbee module interface, WiFi module interface, bluetooth module interface or Optical Fiber Transmission interface, data line transfer interface, power line transmission interface any one; Described bus interface be at least in the middle of Mbus bus interface, RS485 bus interface, CAN interface any one.
8. the Intelligent heat energy meter for internet of things being embedded with information security management module according to claim 1 and 2, is characterized in that: the second described data-interface be at least in the middle of USART serial line interface, SPI serial line interface or I2C serial line interface any one.
9. the Intelligent heat energy meter for internet of things being embedded with 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, for the multistage encryption and decryption to safety management module and Internet of Things remote control terminal, Intelligent heat energy meter for internet of things terminal master controller exchanges data, and the data encryption key that auxiliary processor obtains Internet of Things remote control terminal carries out authentication.
10. the Intelligent heat energy meter for internet of things being embedded with 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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| Application Number | Priority Date | Filing Date | Title |
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| CN201510032921.0A CN104580238A (en) | 2013-03-19 | 2013-03-19 | Internet of things intelligent heat meter embedded with information safety management module |
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| CN201510032921.0A CN104580238A (en) | 2013-03-19 | 2013-03-19 | Internet of things intelligent heat meter embedded with information safety management module |
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| CN201310088847.5A Division CN103217952B (en) | 2013-03-19 | 2013-03-19 | Internet of things intelligent water meter provided with information safety management module in embedded mode |
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| CN104580238A true CN104580238A (en) | 2015-04-29 |
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Cited By (8)
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| CN106330942A (en) * | 2016-08-31 | 2017-01-11 | 成都秦川科技发展有限公司 | Information distribution method, apparatus and system based on Internet of Things information private channel and public network fuzziness |
| CN106375310A (en) * | 2016-08-31 | 2017-02-01 | 成都秦川科技发展有限公司 | Information transmission and object control method, apparatus and system of private channel of Internet of things |
| CN106375313A (en) * | 2016-08-31 | 2017-02-01 | 成都秦川科技发展有限公司 | Information transmission method, apparatus and system based on private information channel of Internet of things and public network fuzziness |
| CN107123199A (en) * | 2017-04-12 | 2017-09-01 | 常州大学 | Card-scanning type heat energy meter with room temperature self-modulation regulating device |
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| CN114417416A (en) * | 2022-01-24 | 2022-04-29 | 成都秦川物联网科技股份有限公司 | Synchronous energy metering device embedded with information security module and Internet of things system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106330942A (en) * | 2016-08-31 | 2017-01-11 | 成都秦川科技发展有限公司 | Information distribution method, apparatus and system based on Internet of Things information private channel and public network fuzziness |
| CN106375310A (en) * | 2016-08-31 | 2017-02-01 | 成都秦川科技发展有限公司 | Information transmission and object control method, apparatus and system of private channel of Internet of things |
| CN106375313A (en) * | 2016-08-31 | 2017-02-01 | 成都秦川科技发展有限公司 | Information transmission method, apparatus and system based on private information channel of Internet of things and public network fuzziness |
| CN107123199A (en) * | 2017-04-12 | 2017-09-01 | 常州大学 | Card-scanning type heat energy meter with room temperature self-modulation regulating device |
| CN107809434A (en) * | 2017-11-08 | 2018-03-16 | 济南大陆机电股份有限公司 | A kind of continuous data validation verification system and method |
| CN107908703A (en) * | 2017-11-08 | 2018-04-13 | 济南大陆机电股份有限公司 | A kind of measure data management system |
| CN114116587A (en) * | 2021-11-30 | 2022-03-01 | 上汽通用五菱汽车股份有限公司 | Interaction method and device for vehicle-mounted serial peripheral interface and readable storage medium |
| CN114116587B (en) * | 2021-11-30 | 2024-02-13 | 上汽通用五菱汽车股份有限公司 | Interaction method and device of vehicle-mounted serial peripheral interface and readable storage medium |
| CN114417416A (en) * | 2022-01-24 | 2022-04-29 | 成都秦川物联网科技股份有限公司 | Synchronous energy metering device embedded with information security module and Internet of things system |
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Address after: 610000 Longquanyi, Sichuan Province Industrial Park licensing Applicant after: Chengdu Qinchuan networking Polytron Technologies Inc Address before: 610000 Longquanyi, Sichuan Province Industrial Park licensing Applicant before: Chengdu Taichuan Technology Development Co., Ltd. |
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