CN103198574B - Be embedded with the remote-control intelligent water meter of information security management module - Google Patents
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Abstract
The invention discloses a kind of remote-control intelligent water meter being embedded with information security management module, belong to a kind of remote-control intelligent water meter management aid, described remote-control intelligent water meter comprises information security management module, described information security management module comprises processor, first data-interface, second data-interface and FLASH memory, described processor accesses the first data-interface respectively, second data-interface and FLASH memory, information security management module is carrying out authentication by data transmission module with selling when water management system carries out exchanges data, ensure that the legitimacy of both communication, remote-control intelligent water meter terminal master controller could must be communicated with outside by information security management module, after the present invention simultaneously embeds information security management module, it is by multiple communication transmission technology and bus interface compatible remote-control intelligent water meter terminal master controller, and seamless access water supply management system, realize remote-control intelligent water meter dispersion and manufacture, unified management.
Description
Technical field
The present invention relates to an intellectual water meter, in particular, the present invention relates generally to a kind of remote-control intelligent water meter being embedded with information security management module.
Background technology
Remote-control intelligent water meter needs real-time, safe and effective teledata switching channel to realize carrying out exchanges data with the water management system of selling of Running-water Company, the telecommunication mode wire communication used and radio communication two kinds, there is risk in these two kinds of communication modes in information security management.Wire communication mode, the modes such as main employing Optical Fiber Transmission, data line transfer and power line transmission, these transmission modes all need the cable of complicated layout, in special geographical environment, these wirings can become quite difficulty, when cable go wrong or by people's reconfiguration after, data transmission security can not be guaranteed.Communication, main employing RF module, Zigbee module, WiFi module and bluetooth module etc. transmit, these wireless devices are easily subject to environmental interference in transmitting procedure, cause exchanges data mistake, when there is artificial destruction, data may be intercepted and captured, revised, and the security of data transmission can not be guaranteed.
The manufacturer of remote-control intelligent water meter is a lot, each producer is different to the management method of remote-control intelligent water meter, remote-control intelligent water meter has independence to a certain extent, make Running-water Company cannot accomplish real unified management in meaning, the security that remote-control intelligent water meter and the data of selling water system are transmitted can not be guaranteed.
Remote-control intelligent water meter will realize and the exchanges data of selling water system, need many intermediate link, as needed the remote transmission of data, need to exchange data etc. with the subsystems selling water system, all there is uncertain destructive factor in the exchanges data of these intermediate links, the security causing data to be transmitted can not be guaranteed.
Under the above-mentioned data transmission security of appearance can not be guaranteed situation, owing to there is no effective data verification means in the master controller of remote-control intelligent water meter, the identity of external data transmitting terminal can not get examining, data can not get effective verification, remote-control intelligent water meter and main website is caused to sell water management system out of control, therefore, for the hidden danger existing for above-mentioned remote-control intelligent water meter, be necessary to do further improvement to it.
Summary of the invention
An object of the present invention is for above-mentioned deficiency, a kind of remote-control intelligent water meter being embedded with information security management module is provided, with problems such as the information security management of expecting to solve remote-control intelligent water meter of the prior art and management system thereof can not be guaranteed, thus eliminate the risk of information security management in Running-water Company's operation.
For solving above-mentioned technical matters, the present invention by the following technical solutions:
A kind of remote-control intelligent water meter being embedded with information security management module provided by the present invention, comprise valve module, remote-control intelligent water meter terminal master controller, water flow measuring device, storer, described water flow measuring device accesses water source entrance on remote-control intelligent water meter and remote-control intelligent water meter terminal master controller respectively, for measuring discharge, and variable is exported to remote-control intelligent water meter terminal master controller; Water source entrance on the remote-control intelligent water meter of access respectively that described valve module is direct or indirect and water source export, and by valve module control circuit access remote-control intelligent water meter terminal master controller, for opening and shutoff by remote-control intelligent water meter terminal main controller controls valve module; Described storer also accesses remote-control intelligent water meter terminal master controller, described remote-control intelligent water meter also comprises information security management module, 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, communicates with the unique data of data transmission module for performing remote-control intelligent water meter, and transmits it to processor when receiving the external data coming from data transmission module; Described data transmission module directly receives and comes from long-range external data of selling water management system;
Described FLASH memory is for storing control in information security management module and documentor;
Described second data-interface access remote-control intelligent water meter terminal master controller, for performing the data communication between processor and remote-control intelligent water meter terminal master controller, described remote-control intelligent water meter terminal master controller is used for performing the operation of corresponding table end according to the instruction of processor;
Described processor is used for when receiving the external data coming from the first data-interface, authentication is carried out to the water management system of selling sending external data, judge whether to obtain the encrypted packets in this external data, and send corresponding operational order by the second data-interface to remote-control intelligent water meter terminal master controller according to the affairs comprised in data.
As preferably, further technical scheme is: the processor in described information security management module is used for when receiving the external data coming from the first data-interface, authentication is carried out to selling water management system according to external data, when authentication result is judged as legal, then encrypted packets is decrypted and completeness check, on the contrary the original state that then resets;
After data integrity verifying passes through, the validity of data is verified, on the contrary the original state that then resets;
After Validation of Data is passed through, pre-service is carried out to the affairs comprised in data, and from remote-control intelligent water meter terminal master controller, obtain corresponding return message by the second data-interface, data transmission module is returned to by the first data-interface by after described return message encryption, then pre-processed results approved after effectively being confirmed and stored relevant operation information, and to remote-control intelligent water meter terminal master controller transmit operation instruction; Otherwise then abandon pre-processed results or make caching process.
Further technical scheme is: preset agreement restrictive condition and multiple different cipher key procedures in the FLASH memory in described information security management module, for when information security management module carries out exchanges data from the subsystem selling different classification in water management system respectively, processor according to the encryption key of external data compared with multiple cipher key procedures preset in FLASH memory, thus the identity of water management system is sold in certification, and after encrypted packets deciphering and completeness check are passed through, according to the validity of agreement restrictive condition verification msg under current identity, judge whether to carry out pre-service to the affairs in data,
Described first data-interface also accesses IC 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 the information security management module in described information security management module, described eeprom memory also accesses processor, for the associative operation information of storage of processor to remote-control intelligent water meter terminal master controller, and processor is to the pre-processed results of affairs in external data;
Described storer is for storing the presell water yield data message coming from information security management module forwards, and described remote-control intelligent water meter terminal master controller is also connected with LCDs by liquid crystal display circuit, for the presell water yield data message in water ga(u)ge magnitude information and storer being processed by remote-control intelligent water meter terminal master controller, and presented in LCDs by liquid crystal display circuit.
Further technical scheme is: the processor in described information security management module is central processing unit or the single-chip microcomputer that can perform cryptographic algorithm; Described data transmission module is network communication module or bus communication module.
Further technical scheme is: the first described data-interface is network communication interface or bus interface.
Further technical scheme is: described network communication interface be at least in the middle of RF module interface, Zigbee module interface, WiFi module interface, bluetooth module interface, infrared module interface or Optical Fiber Transmission interface, data line transfer interface, power line transmission interface any one; Described bus interface be at least in the middle of Mbus bus interface, RS485 bus interface, CAN interface any one.
Further technical scheme is: the second described data-interface be at least in the middle of USART serial line interface, SPI serial line interface or I2C serial line interface any one.
Further technical scheme is: described information security management module also comprises encrypting module, described encrypting module access processor, for to information security management module and the multistage encryption and decryption of selling water management system, remote-control intelligent water meter terminal master controller exchanges data, and auxiliary processor obtains the data encryption key selling water management system carries out authentication.
Further technical scheme is: described encrypting module is by the Advanced Encryption Standard in AES(cryptography, the abbreviation of English Advanced Encryption Standard) or the triple data encryption algorithm of 3DES(, English Triple Data Encryption Algorithm) mode carry out data encrypting and deciphering.
Compared with prior art, one of beneficial effect of the present invention is: by embedding information security management module in remote-control intelligent water meter, it is made to carry out authentication by data transmission module with selling when water management system carries out exchanges data, ensure that the legitimacy of both communication, and the remote-control intelligent water meter terminal master controller of table end must could be communicated with outside by information security management module; Running-water Company utilizes the information security management module in water meter, the priority assignation of differentiated control can be realized by different keys, and adopt 3DES/AES multi-level encryption mode, make the security of key higher, and by upgrade key during download program cause for gossip in information security management module, avoid the risk that key exposure brings; By built-in data verifying program, ensure that the data of transmission are true, accurate, complete.Simultaneously a kind of remote-control intelligent water meter structure being embedded with information security management module provided by the present invention is simple, can seamless access water supply management system by the information security management module of inside, realize remote-control intelligent water meter dispersion to manufacture, unified management, range of application is wide, and ensure the independence of Running-water Company on water meter controls, and not by extraneous restriction.
Accompanying drawing explanation
Fig. 1 is for illustration of the remote-control intelligent water meter structured flowchart in one embodiment of the invention;
Fig. 2 is the information security management modular structure block diagram for illustration of embedding in one embodiment of the invention;
Fig. 3 is for illustration of the management system block diagram in the embodiment of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention is further elaborated.
Shown in figure 1, Fig. 2, one embodiment of the present of invention are a kind of remote-control intelligent water meters being embedded with information security management module, comprise valve module, remote-control intelligent water meter terminal master controller, water flow measuring device, storer, described water flow measuring device accesses water source entrance on remote-control intelligent water meter and remote-control intelligent water meter terminal master controller respectively, for measuring discharge, and variable is exported to remote-control intelligent water meter terminal master controller; Water source entrance on the remote-control intelligent water meter of access respectively that described valve module is direct or indirect and water source export, and by valve module control circuit access remote-control intelligent water meter terminal master controller, for opening and shutoff by remote-control intelligent water meter terminal main controller controls valve module; Described storer also accesses remote-control intelligent water meter terminal master controller, with prior art difference be, described remote-control intelligent water meter also comprises information security management module, 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 remote-control intelligent water meter to communicate with the unique data of data transmission module, and transmit it to processor when receiving the external data coming from data transmission module; Described data transmission module directly receives and comes from long-range external data of selling water management system;
The effect of above-mentioned FLASH memory stores control in information security management module and documentor;
Above-mentioned second data-interface access data transport module, effect performs the data communication between processor and remote-control intelligent water meter terminal master controller, and the effect of remote-control intelligent water meter terminal master controller performs the operation of respective table end according to the instruction of processor;
The effect of above-mentioned processor is when receiving the external data coming from the first data-interface, authentication is carried out to the water management system of selling sending external data, judge whether to obtain encrypted packets in this external data, and send corresponding operational order by the second data-interface to remote-control intelligent water meter terminal master controller according to the affairs comprised in data.
According to above-mentioned technical scheme, the technical matters that the present embodiment solves is the information security management module by above-mentioned composition structure, at remote-control intelligent water meter terminal master controller and sell between water management system and carry out data retransmission, and give certification and encryption and decryption when forwarding, thus coordinate the intellectual water meter of Running-water Company to terminal to manage, to eliminate the risk of information security management in Running-water Company's operation.
And the Oscillator module shown in Fig. 1 and pin XIN, XOUT provide clock signal to information security management module; RAM storer is used for the operating ephemeral data of memory module; VCC and VSS two pins provides working power for information security management module, and this power supply should be continued power and can not be provided by remote-control intelligent water meter terminal master controller pin.And go out as shown in Figure 2, in the present embodiment, the storer of above-mentioned access remote-control intelligent water meter 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 of processor in a kind of above-mentioned information security management module to selling water management system authentication and affairs execution is provided, namely when processor receives the external data coming from the first data-interface, authentication is carried out to selling water management system according to external data, when authentication result is judged as legal, then encrypted packets is decrypted and completeness check, on the contrary the original state that then resets;
After data integrity verifying passes through, the validity of data is verified, on the contrary the original state that then resets;
After Validation of Data is passed through, pre-service is carried out to the affairs comprised in data, and from remote-control intelligent water meter terminal master controller, obtain corresponding return message by the second data-interface, data transmission module is returned to by the first data-interface by after described return message encryption, then pre-processed results approved after effectively being confirmed and stored relevant operation information, and to remote-control intelligent water meter terminal master controller transmit operation instruction; Such as, otherwise then abandon pre-processed results or make caching process, namely do not receive the confirmation result of data transmission module within the time preset, do not receive the confirmation of data transmission module in three minutes, then reset original state; Aforesaid caching process refers to keeps in pre-processed results instruction, when processor is again waken up and receives the confirmation of data transmission module, then in the same way to remote-control intelligent water meter terminal master controller transmit operation instruction.
The present embodiment peripheral data are contained from selling water management system authentication to the whole flow process of the affairs external data performed by processor in above-mentioned technical scheme, by the programming of above-mentioned flow process, further enhance in information security management module the security receiving information and executing.And the above-mentioned processor reset original state repeatedly mentioned, be resetting processor and perform the state before any one operation above-mentioned, it is dormant state that such as processor carried out the state of authentication before receiving external data, be waken up by dormant state when receiving external data, but when being judged as illegal to the authentication of selling water management system, processor then recovers dormant state, do not carry out any operation, in other step, the situation of processor reset also substantially as hereinbefore, when failing the authentication, operation note can be stored by processor.
And it is same, in another embodiment of the invention, for realizing being managed the information security management module in remote-control intelligent water meter by different rights, need preset agreement restrictive condition and multiple different cipher key procedures in the FLASH memory in above-mentioned information security management module, it act as when information security management module carries out exchanges data from the subsystem selling different classification in water management system respectively, processor according to the encryption key of external data compared with multiple cipher key procedures preset in FLASH memory, thus the identity of water management system is sold in certification, and after encrypted packets deciphering and completeness check are passed through, according to the validity of agreement restrictive condition verification msg under current identity, judge whether to carry out pre-service to the affairs in data,
Shown in figure 2, make above-mentioned remote-control intelligent water meter have the IC-card read functions of current main flow intellectual water meter concurrently for meeting simultaneously, also can set up IC card information Switching Module wherein, above-mentioned first data-interface is also accessed 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 remote-control intelligent water meter terminal master controller, processor is to the pre-processed results of affairs in external data, and the failure record of processor checking, and in FLASH memory, be also provided with other program that can be utilized by processor, namely processor to the associative operation information of remote-control intelligent water meter terminal master controller once be stored to after in eeprom memory, by unsuppressible-suppression and amendment, to make the running status of information security management module leave complete record.
The remote-control intelligent water meter being embedded with information security management module in above-described embodiment in actual applications, be as good as with existing remote-control intelligent water meter, it is based on IC-card intellectual water meter, a kind of intellectual water meter of facility information remote transmission and apparatus remote control is realized in conjunction with Long-distance Transmission Technologies, described remote-control intelligent water meter terminal master controller, according to the operational order of information security management module, carries out switch valve operation by valve module control circuit to valve module.
Above-mentioned storer is for storing the presell water yield data message coming from information security management module forwards, presell water yield data message in water ga(u)ge magnitude information and storer processes by Intelligent water meter of Internet of things terminal master controller, and pass to display by display circuit, relevant information such as display display water consumption and surplus water etc.; Remote-control intelligent water meter obtains corresponding external data by data transmission module is direct in a wireless or wired way from long-range water management system of selling, thus performs aforesaid operation; When the balance depletion of supplementing with money in subscriber's meter, Intelligent water meter of Internet of things terminal master controller, by valve module control circuit operation valve assembly, makes it turn off, and then stops supplying water.
The processor that above-described embodiment is mentioned is the core of information security management module in remote-control intelligent water meter, for performing corresponding program and data encryption, in another embodiment of the present invention, above-mentioned processor is directly adopt the central processing unit or single-chip microcomputer that can perform cryptographic algorithm in prior art, such as EFM32 etc.
Based on data communication mode required in above-described embodiment, inventor is with reference to prior art, to select in prior art the communication that the transmission technology of part realizes between processor and interface, wherein data transmission module can adopt network communication module or bus communication module, and corresponding with aforesaid data transmission module, the first data-interface for carrying out unique communication with data transmission module in above-described embodiment can adopt network communication interface or bus interface.
Further, above-mentioned network communication interface can adopt wireless or wired form, radio network interface can adopt in the middle of RF module interface, Zigbee module interface, WiFi module interface, infrared module interface and bluetooth module interface one or more, wired network interface can adopt in the middle of Optical Fiber Transmission interface, data line transfer interface and power line transmission interface one or more; In the middle of above-mentioned bus interface Mbus bus interface, RS485 bus interface, CAN interface one or more.
And it is corresponding, the second data-interface that in above-described embodiment, processor and remote-control intelligent water meter terminal master controller carry out communicating preferably matches with conventional master controller, the serial line interfaces such as such as USART interface, SPI interface or I2C interface, to increase the compatibility on information security management module integration and intellectual water meter.
Shown in Fig. 1, for ensureing the security of data encryption and solution in information security management module in remote-control intelligent water meter further, preferably independently encrypting module is set therein, and by this independently encrypting module access processor, for to information security management module with sell water management system, the multistage encryption and decryption of remote-control intelligent water meter terminal master controller exchanges data, and the data encryption key that water management system is sold in auxiliary processor acquisition carries out authentication, and the cipher mode that in reference prior art, security is higher, Advanced Encryption Standard in preferred employing AES(cryptography, the abbreviation of English Advanced Encryption Standard) or the triple data encryption algorithm of 3DES(, English Triple Data Encryption Algorithm) encryption and decryption is carried out to the data of coming and going in information security management module.
Shown in Fig. 3, after the integrated above-mentioned information security management module of remote-control intelligent water meter that multiple different vendor produces, the outside all communication datas of water 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 water management system and information security management module can be considered as terminal, in order to manage intellectual water meter, namely sell water management system compatible various brand with one, the intellectual water meter of type is managed concentratedly, effective reduction Running-water Company is to different brands in region, the difficulty of the intellectual water meter integration management of type.As shown in Figure 3, remote-control intelligent water meter with the communication path selling water management system is: show to hold by upper strata multistage communication device, and as collector, repeater, concentrator etc., directly arrive and sell water management system.By above-mentioned path, table end with directly with sell water management system and realize data and transmit.
Than that described above, also it should be noted that spoken of in this manual " embodiment ", " another embodiment ", " embodiment " etc., refer to the specific features, structure or the feature that describe in conjunction with this embodiment and be included at least one embodiment of the application's generality description.Multiple place occurs that statement of the same race is not necessarily refer to same embodiment in the description.Furthermore, when describing specific features, structure or a feature in conjunction with any embodiment, what advocate is also fall within the scope of the invention to realize this feature, structure or feature in conjunction with other embodiments.
Although with reference to multiple explanatory embodiment of the present invention, invention has been described here, but, should be appreciated that, those skilled in the art can design a lot of other amendment and embodiment, these amendments and embodiment will drop within spirit disclosed in the present application and spirit.More particularly, in the scope of, accompanying drawing open in the application and claim, multiple modification and improvement can be carried out to the building block of subject combination layout and/or layout.Except the modification of carrying out building block and/or layout is with except improvement, to those skilled in the art, other purposes also will be obvious.
Claims (9)
1. one kind is embedded with the remote-control intelligent water meter of information security management module, comprise valve module, remote-control intelligent water meter terminal master controller, water flow measuring device, storer, described water flow measuring device accesses water source entrance on remote-control intelligent water meter and remote-control intelligent water meter terminal master controller respectively, for measuring discharge, and variable is exported to remote-control intelligent water meter terminal master controller; Water source entrance on the remote-control intelligent water meter of access respectively that described valve module is direct or indirect and water source export, and by valve module control circuit access remote-control intelligent water meter terminal master controller, for opening and shutoff by remote-control intelligent water meter terminal main controller controls valve module; Described storer also accesses remote-control intelligent water meter terminal master controller, it is characterized in that: described remote-control intelligent water meter also comprises information security management module, 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, communicates with the unique data of data transmission module for performing remote-control intelligent water meter, and transmits it to processor when receiving the external data coming from data transmission module; Described data transmission module directly receives and comes from long-range external data of selling water management system;
Described FLASH memory is for storing control in information security management module and documentor;
Described second data-interface access remote-control intelligent water meter terminal master controller, for performing the data communication between processor and remote-control intelligent water meter terminal master controller, described remote-control intelligent water meter terminal master controller is used for performing the operation of corresponding table end according to the instruction of processor;
Processor in described information security management module is used for when receiving the external data coming from the first data-interface, authentication is carried out to selling water management system according to external data, when authentication result is judged as legal, then encrypted packets is decrypted and completeness check, on the contrary the original state that then resets;
After data integrity verifying passes through, the validity of data is verified, on the contrary the original state that then resets;
After Validation of Data is passed through, pre-service is carried out to the affairs comprised in data, and from remote-control intelligent water meter terminal master controller, obtain corresponding return message by the second data-interface, data transmission module is returned to by the first data-interface by after described return message encryption, then pre-processed results approved after effectively being confirmed and stored relevant operation information, and to remote-control intelligent water meter terminal master controller transmit operation instruction; Otherwise then abandon pre-processed results or make caching process.
2. the remote-control intelligent water meter being embedded with information security management module according to claim 1, it is characterized in that: in the FLASH memory in described information security management module, preset agreement restrictive condition and multiple different cipher key procedures, for when information security management module carries out exchanges data from the subsystem selling different classification in water management system respectively, processor according to the encryption key of external data compared with multiple cipher key procedures preset in FLASH memory, thus the identity of water management system is sold in certification, and after encrypted packets deciphering and completeness check are passed through, according to the validity of agreement restrictive condition verification msg under current identity, judge whether to carry out pre-service to the affairs in data,
Described first data-interface also accesses IC 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.
3. the remote-control intelligent water meter being embedded with information security management module according to claim 1, it is characterized in that: in described information security management module, also comprise eeprom memory, described eeprom memory also accesses processor, for the associative operation information of storage of processor to remote-control intelligent water meter terminal master controller, and processor is to the pre-processed results of affairs in external data;
Described storer is for storing the presell water yield data message coming from information security management module forwards, and described remote-control intelligent water meter terminal master controller is also connected with LCDs by liquid crystal display circuit, for the presell water yield data message in water ga(u)ge magnitude information and storer being processed by remote-control intelligent water meter terminal master controller, and presented in LCDs by liquid crystal display circuit.
4. the remote-control intelligent water meter being embedded with information security management module according to claim 1, is characterized in that: the processor in described information security management module is central processing unit or the single-chip microcomputer that can perform cryptographic algorithm; Described data transmission module is network communication module or bus communication module.
5. the remote-control intelligent water meter being embedded with information security management module according to claim 1, is characterized in that: the first described data-interface is network communication interface or bus interface.
6. the remote-control intelligent water meter being embedded with information security management module according to claim 5, is characterized in that: described network communication interface be at least in the middle of RF module interface, Zigbee module interface, WiFi module interface, bluetooth module interface, infrared module interface or Optical Fiber Transmission interface, data line transfer interface, power line transmission interface any one; Described bus interface be at least in the middle of Mbus bus interface, RS485 bus interface, CAN interface any one.
7. the remote-control intelligent water meter being embedded with information security management module according to claim 1, is characterized in that: the second described data-interface be at least in the middle of USART serial line interface, SPI serial line interface or I2C serial line interface any one.
8. the remote-control intelligent water meter being embedded with information security management module according to claim 1, it is characterized in that: described information security management module also comprises encrypting module, described encrypting module access processor, for to information security management module and the multistage encryption and decryption of selling water management system, remote-control intelligent water meter terminal master controller exchanges data, and auxiliary processor obtains the data encryption key selling water management system carries out authentication.
9. the remote-control intelligent water meter being embedded with information security management module according to claim 8, is characterized in that: described encrypting module carries out data encrypting and deciphering by the mode of AES or 3DES.
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| CN107145087B (en) * | 2017-05-23 | 2019-11-08 | 成都秦川物联网科技股份有限公司 | Water meter remote lock system and method based on Internet of Things |
| CN114764959A (en) * | 2021-01-13 | 2022-07-19 | 辽宁思凯科技股份有限公司 | Double-core intelligent water meter |
| CN112887409B (en) * | 2021-01-27 | 2022-05-17 | 珠海格力电器股份有限公司 | Data processing system, method, device, equipment and storage medium |
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| CN102063764A (en) * | 2011-01-25 | 2011-05-18 | 邵泽华 | Intelligent gas meter of Internet of things and control system thereof |
| CN102592364A (en) * | 2011-12-29 | 2012-07-18 | 中国电力科学研究院 | Encryption and decryption functions based field service terminal and application method thereof |
| CN203151518U (en) * | 2013-03-19 | 2013-08-21 | 成都秦川科技发展有限公司 | Internet of things intelligent water meter embedded with information security management module |
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