CN103106745B - Integrated circuit (IC) card intelligent gas meter embedded with information security management module - Google Patents
Integrated circuit (IC) card intelligent gas meter embedded with information security management module Download PDFInfo
- Publication number
- CN103106745B CN103106745B CN201310038977.8A CN201310038977A CN103106745B CN 103106745 B CN103106745 B CN 103106745B CN 201310038977 A CN201310038977 A CN 201310038977A CN 103106745 B CN103106745 B CN 103106745B
- Authority
- CN
- China
- Prior art keywords
- data
- gas meter
- intelligent gas
- information security
- management module
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Measuring Volume Flow (AREA)
Abstract
The invention discloses an integrated circuit (IC) card intelligent gas meter embedded with an information security management module. The IC card intelligent gas meter comprises the information security management module. The information security management module comprises a processor, a first data interface, a second data interface and a flash storer, wherein the processor is respectively connected into the first data interface, the second data interface and the flash storer. When the information security management module exchanges data with a gas sale management system through an IC card read module, identity authentication is conducted, and the communicating validity of the information security management module and the gas sale management system is ensured. A terminal master controller of the IC card intelligent gas meter can be communicated with the outside only through the information security management module. Permission setting of level-to-level administration of gas companies can be achieved by using different secret keys, and moreover, a 3 data encryption standard/advanced encryption standard (3DES/AES) multilevel encryption mode is adopted, the secret keys can be updated in real time through a program download port on the information security management module, and risks caused by leakiness of the secret keys are avoided. Meanwhile, the IC card intelligent gas meter embedded with the information security management module can guarantee the independence of gas meter control of the gas companies, and restrictions from the outside can be avoided.
Description
Technical field
The present invention relates to a kind of intelligent gas meter, in particular, the present invention relates generally to a kind of IC-card intelligent gas meter that is embedded with information security management module.
Background technology
IC-card intelligent gas meter on market is various in style, quality is uneven, each gas company does not also sum up the method for qualification and the standard of selection, the gas company causing adopts several at least, adopt at most the IC-card intelligent gas meter of tens kinds of brands, the manufacturer of each IC-card intelligent gas meter uses different management methods to IC-card intelligent gas meter and its management method is grasped in hand, each gas company does not have the control of IC-card intelligent gas meter technically, the management system that IC-card intelligent gas meter manufacturer can depart from gas company, carry out the information processing of IC-card intelligent gas meter, control the use of IC-card intelligent gas meter, gas company exists management system risk out of control.
Management system that the IC-card intelligent gas meter of different brands needs, operating equipment, transmission medium, management password, mode of operation etc. are all not identical, IC-card intelligent gas meter can depart from the management system of gas company, information is revised arbitrarily, use state is controlled, specific certain user or multiple user need not be paid just can use combustion gas, gas company to exist IC-card intelligent gas meter risk out of control.
The control and management technology of IC-card intelligent gas meter is manufacturer's designed, designed and the exploitation by each IC-card intelligent gas meter with administrating system, its technical scheme is different, the level of each manufacturer in safety technique, Data Interchange Technology is also uneven, causes portioned product to have risk in the reliability of the security of information management, message exchange; Encryption, decryption technology are applied unreasonable, causing can be by corresponding technological means, obtain the data analysis in transmission medium, decode cryptographic algorithm and data protocol, thereby write out the program that corresponding cooperation IC-card intelligent gas meter uses, the management system that departs from gas company is sold arbitrarily combustion gas, and gas company exists IC-card intelligent gas meter and management system risk simultaneously out of control.Therefore be necessary for the problems referred to above, existing IC-card intelligent gas meter is done to further improvement, realize information security management.
Summary of the invention
One of object of the present invention is for above-mentioned deficiency, a kind of IC-card intelligent gas meter that is embedded with information security management module is provided, to expect the problems such as the information security management of solution IC-card intelligent gas meter of the prior art and management system thereof can not be guaranteed, eliminate the risk of information security management in gas company's operation.
For solving above-mentioned technical matters, the present invention by the following technical solutions:
A kind of IC-card intelligent gas meter that is embedded with information security management module provided by the present invention, comprise mechanical measuring apparatus, IC-card intelligent gas meter terminal master controller and IC-card information exchange module, described mechanical measuring apparatus is provided with combustion gas input port and combustion gas delivery outlet, and electromechanical valve and electromechanical signal conversion device are at least installed in mechanical measuring apparatus, described electromechanical signal conversion device accesses IC-card intelligent gas meter terminal master controller by signal pre-processing circuit, and electromechanical valve accesses described IC-card intelligent gas meter terminal master controller by electromechanical valve control circuit, in described IC-card intelligent gas meter, also comprise information security management module, described information security management module comprises processor, the first data-interface, the second data-interface and FLASH storer, described processor accesses respectively the first data-interface, the second data-interface and FLASH storer, wherein:
Described the first data-interface access IC-card information exchange module, communicates by letter with the unique data of IC-card information exchange module for carrying out IC-card intelligent gas meter, and transmit it to processor in the time receiving the external data that comes from IC-card information exchange module;
Described FLASH storer is for storing control and the documentor of information security management module;
Described the second data-interface access IC-card intelligent gas meter terminal master controller, for carrying out the data communication between processor and IC-card intelligent gas meter terminal master controller, described IC-card intelligent gas meter terminal master controller is for carrying out the operation of corresponding table end according to the instruction of processor;
Described processor is in the time receiving the external data that comes from the first data-interface, the gas management system of selling that writes external data is carried out to authentication, judge whether to obtain the encrypted packets in this external data, and send corresponding operational order by the second data-interface to IC-card intelligent gas meter terminal master controller according to the affairs that comprise in data.
As preferably, further technical scheme is: described processor is in the time receiving the external data that comes from the first data-interface, according to external data, the gas management system of selling that writes external data is carried out to authentication, when authentication result is judged as when legal, encrypted packets is decrypted and completeness check, on the contrary the original state that resets;
After data integrity verifying passes through, the validity of data is verified, on the contrary the original state that resets;
After Validation of Data is passed through, the affairs that comprise in data are carried out to pre-service, and from IC-card intelligent gas meter terminal master controller, obtain corresponding return message by the second data-interface, after being encrypted, described return message returns to IC-card information exchange module by the first data-interface, after effectively being confirmed, pre-service result approved and stored relevant operation information, and to IC-card intelligent gas meter terminal master controller transmit operation instruction; Otherwise abandon pre-service result or make caching process.
Further technical scheme is: in described FLASH storer, preset protocols limit condition and multiple different cipher key procedures, for in the time that information security management module is carried out exchanges data from the subsystem of selling the different classifications of gas management system respectively, processor is compared with multiple cipher key procedures preset in FLASH storer according to the encryption key of external data, thereby the identity of gas management system is sold in certification, and after encrypted packets deciphering and completeness check pass through, validity according to protocols limit condition Verification data under current identity, judge whether the affairs in data to carry out pre-service.
Further technical scheme is: 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 IC-card intelligent gas meter terminal master controller, and the pre-service result of processor to affairs in external data.
Further technical scheme is: described processor is central processing unit or the single-chip microcomputer that can carry out cryptographic algorithm.
Further technical scheme is: the first described data-interface is IC-card interface.
Further technical scheme is: the second described data-interface is at least any one in the middle of USART serial line interface, SPI serial line interface or I2C serial line interface.
Further technical scheme is: described information security management module also comprises encrypting module, described encrypting module access processor, for to information security management module with sell the multistage encryption and decryption of gas management system, IC-card intelligent gas meter terminal master controller exchanges data, and auxiliary processor obtains the data encryption key of selling gas management system and carries out authentication.
Further technical scheme is: described encrypting module carries out data encrypting and deciphering by the mode of AES or 3DES.
Further technical scheme is: described IC-card intelligent gas meter terminal master controller is also connected with LCDs by liquid crystal display circuit, for the Various types of data information of IC-card intelligent gas meter is presented in LCDs.
Compared with prior art, one of beneficial effect of the present invention is: by embed information security management module in IC-card intelligent gas meter, make it when gas management system is carried out exchanges data, carry out authentication by IC-card information exchange module with selling, the legitimacy that has ensured both communication, IC-card intelligent gas meter terminal master controller must could communicate with outside by information security management module; Utilize different keys can realize the authority setting of gas company's differentiated control, and adopt 3DES/AES multi-level encryption mode, make the security of key higher, and can download a mouthful real-time upgrading key, the risk of avoiding key exposure to bring by the program in information security management module; By built-in data verifying program, ensure that the data of transmission are true, accurate, complete.Simultaneously a kind of IC-card intelligent gas meter that is embedded with information security management module provided by the present invention is simple in structure, can seamless access civil gas management system by inner information security management module, realize the dispersion manufacture of IC-card intelligent gas meter, unified management, range of application is wide, and ensure the independence of gas company in gas meter, flow meter control, be not subject to extraneous restriction.
Brief description of the drawings
Fig. 1 is the IC-card intelligent gas meter structured flowchart for one embodiment of the invention is described;
Fig. 2 is the information security management modular structure block diagram for illustrating that one embodiment of the invention embeds;
Fig. 3 is the management system block diagram for the embodiment of the present invention is described.
Embodiment
Below in conjunction with accompanying drawing, the present invention is further elaborated.
With reference to figure 1, shown in Fig. 2, one embodiment of the present of invention are a kind of IC-card intelligent gas meters that are embedded with information security management module, comprise mechanical measuring apparatus, IC-card intelligent gas meter terminal master controller and IC-card information exchange module, described mechanical measuring apparatus is provided with combustion gas input port and combustion gas delivery outlet, and electromechanical valve and electromechanical signal conversion device are at least installed in mechanical measuring apparatus, described electromechanical signal conversion device accesses IC-card intelligent gas meter terminal master controller by signal pre-processing circuit, and electromechanical valve accesses described IC-card intelligent gas meter terminal master controller by electromechanical valve control circuit, unlike the prior art, in described IC-card intelligent gas meter, also comprise information security management module, described information security management module comprises processor, the first data-interface, the second data-interface and FLASH storer, described processor accesses respectively the first data-interface, the second data-interface and FLASH storer, wherein:
Above-mentioned the first data-interface access IC-card information exchange module, its effect is to carry out IC-card intelligent gas meter to communicate by letter with the unique data of IC-card information exchange module, and transmits it to processor in the time receiving the external data that comes from IC-card information exchange module;
The effect of above-mentioned FLASH storer is control and the documentor in storage information security management module;
Above-mentioned the second data-interface access IC-card intelligent gas meter terminal master controller, its effect is the data communication of carrying out between processor and IC-card intelligent gas meter terminal master controller, and the effect of IC-card intelligent gas meter terminal master controller is to carry out the operation of respective table end according to the instruction of processor;
The effect of above-mentioned processor is in the time receiving the external data that comes from the first data-interface, the gas management system of selling that writes external data is carried out to authentication, judge whether to obtain the encrypted packets in this external data, and send corresponding operational order by the second data-interface to IC-card intelligent gas meter terminal master controller according to the affairs that comprise in data.
Known 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 IC-card intelligent gas meter terminal master controller and sell and carry out data retransmission between gas management system, and authenticated and encryption and decryption in the time forwarding, thereby coordinate gas company to manage the IC-card intelligent gas meter of terminal, to eliminate the risk of information security management in gas company's operation.
And the Oscil lator module shown in Fig. 1 and pin XIN, XOUT provide clock signal to information security management module; RAM storer is for the operating ephemeral data of memory module; VCC and VSS two pins provide working power for information security management module, and this power supply should be continued power and can not being provided by IC-card intelligent gas meter terminal master controller pin.
Shown in Fig. 1, an embodiment who is more preferably for technical solution problem in the present invention, the concrete mode that provides a kind of above-mentioned processor to carry out selling the checking of gas management system identity and affairs, in the time that processor receives the external data that comes from the first data-interface, carry out authentication according to external data to selling gas management system, when authentication result is judged as when legal, encrypted packets is decrypted and completeness check, on the contrary the original state that resets;
After data integrity verifying passes through, the validity of data is verified, on the contrary the original state that resets;
After Validation of Data is passed through, the affairs that comprise in data are carried out to pre-service, and from IC-card intelligent gas meter terminal master controller, obtain corresponding return message by the second data-interface, after being encrypted, described return message returns to IC-card information exchange module by the first data-interface, after effectively being confirmed, pre-service result approved and stored relevant operation information, and to IC-card intelligent gas meter terminal master controller transmit operation instruction; Otherwise abandon pre-service result or make caching process, within the predefined time, not receiving the confirmation result of IC-card information exchange module, for example, in three minutes, not receiving the confirmation of IC-card information exchange module, original state resets; Aforesaid caching process refers to keeps in pre-service object command, in the time that processor is again waken up and receives the confirmation of IC-card information exchange module, in the same way to IC-card intelligent gas meter terminal master controller transmit operation instruction.
In above-mentioned technical scheme, comprise the present embodiment peripheral data and authenticated to affairs wherein by the performed whole flow process of processor from selling gas management system identity, by the programming of above-mentioned flow process, further strengthen in information security management module receiving the security of information and executing.And the above-mentioned processor reset original state of repeatedly mentioning, be the state of resetting processor before carrying out above-mentioned any one operation, it is dormant state that for example processor carried out the state of authentication before receiving external data, when receiving that external data is waken up by dormant state, but be judged as when illegal selling the authentication of gas management system, processor recovers dormant state, do not carry out any operation, in other step, the situation of processor reset also substantially as hereinbefore, in the time of authentication failed, processor can be stored operation note.Above-mentioned the mentioned gas management system of selling can be the terminal gas meter, flow meter management system that gas company is set up in actual applications simultaneously.
And it is same, in another embodiment of the present invention, information security management module in terminal IC-card intelligent gas meter is managed by different rights for realizing, need be in above-mentioned FLASH storer preset protocols limit condition and multiple different cipher key procedures, its act as information security management module respectively from sell gas management system in the subsystem of different classifications while carrying out exchanges data, processor is compared with multiple cipher key procedures preset in FLASH storer according to the encryption key of external data, thereby the identity of gas management system is sold in certification, and after encrypted packets deciphering and completeness check pass through, validity according to protocols limit condition Verification data under current identity, judge whether the affairs in data to carry out pre-service.
According to another embodiment of the present invention, just as described above, for ease of the buffer memory of processor pre-service result, relatively independent eeprom memory also can be set in information security management module, and eeprom memory is also accessed to processor, for the associative operation information of storage of processor to IC-card intelligent gas meter terminal master controller, the pre-service result of processor to affairs in external data, and the failure record of processor checking, and in FLASH storer, be also provided with other program that can be utilized by processor, once be after processor is stored in eeprom memory to the associative operation information of IC-card intelligent gas meter terminal master controller, by unsuppressible-suppression and amendment, to make the running status of information security management module leave complete record.
In the IC-card intelligent gas meter practical application that is embedded with information security management module in above-described embodiment, be as good as with existing IC-card intelligent gas meter, it is taking IC-card as media, selling gas management system is platform, taking displacement machine measurement technology as basis, realize the gas meter, flow meter of electronic measurement, valve control, prepaid and management by the combination of electronic-metering technology, data-collection technology, valve control techniques, data processing technique, combination technique.Go out as shown in Figure 1, IC-card intelligent gas meter terminal master controller is according to the operational order of information security management module, control signal pre-process circuit has coordinated gas meter, flow meter the function such as to supplement with money with the electromechanical signal conversion device in mechanical measuring apparatus, tally function is converted to electric signal by electromechanical signal conversion device by the mechanical count signal in mechanical measuring apparatus, transfer in IC-card intelligent gas meter terminal master controller by signal pre-processing circuit, and will measure accordingly numerical value and present in LCDs by liquid crystal display circuit; In the time that the remaining sum of supplementing with money in subscriber's meter is used up, IC-card intelligent gas meter terminal master controller, by the electromechanical valve in electromechanical valve control circuit control machinery measuring apparatus, turn-offs it, and then stops air feed.
The core of the information security management module that above-described embodiment is mentioned is processor, be used for carrying out corresponding program and data encryption, in another embodiment of the present invention, above-mentioned processor is directly to adopt in prior art to carry out cryptographic algorithm or central processing unit or single-chip microcomputer with ready-made cryptographic algorithm, such as EFM32 etc.
Based on data communication mode required in above-described embodiment, inventor, with reference to prior art, is IC-card interface for what carry out unique the first data-interface employing of communicating by letter with IC-card information exchange module in above-described embodiment.
And it is corresponding, the second data-interface that in above-described embodiment, processor and IC-card intelligent gas meter terminal master controller communicate 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 IC-card intelligent gas meter.
Shown in Fig. 1, for the security of data encryption and solution in the information security management module in further guarantee gas meter, flow meter, independently encrypting module is preferably set therein, and by this encrypting module access processor independently, be used for information security management module and sell gas management system, the multistage encryption and decryption of information security management module and IC-card intelligent gas meter terminal master controller exchanges data, and auxiliary processor obtains the data encryption key of selling gas management system and carries out authentication, and with reference to the higher cipher mode of security in prior art, preferably adopt the Advanced Encryption Standard in AES(cryptography, the abbreviation of English Advanced Encrypt ion Standard) or the triple data encryption algorithm of 3DES(, English Triple Data Encrypt ion Algorithm) data of coming and going in information security management module are carried out to encryption and decryption.
Shown in Fig. 3, when IC-card intelligent gas meter embeds after above-mentioned information security management module, the outside all communication datas of intelligent gas 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 gas management system and information security management module can be considered as to terminal, in order to manage IC-card intelligent gas meter, sell gas management system compatible various brands with one, the IC-card intelligent gas meter of type is managed concentratedly, effectively reduce gas company to different brands in region, the difficulty of type gas meter, flow meter integration management.
Except above-mentioned, also it should be noted that " embodiment ", " another embodiment ", " embodiment " etc. that spoken of in this manual, refer in conjunction with specific features, structure or the feature of this embodiment description and be included at least one embodiment of the application's generality description.In instructions, multiple local appearance statement of the same race is not necessarily to refer to same embodiment.Furthermore, while describing a specific features, structure or feature in conjunction with arbitrary embodiment, what advocate is to realize this feature, structure or feature in conjunction with other embodiment also to fall within the scope of the invention.
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 embodiments, within these amendments and embodiment will drop on the disclosed principle scope and spirit of the application.More particularly, in the scope of, accompanying drawing open in the application and claim, can carry out multiple modification and improvement to the building block of subject combination layout and/or layout.Except modification that building block and/or layout are carried out with improving, to those skilled in the art, other purposes will be also obvious.
Claims (9)
1. one kind is embedded with the IC-card intelligent gas meter of information security management module, comprise mechanical measuring apparatus, IC-card intelligent gas meter terminal master controller and IC-card information exchange module, described mechanical measuring apparatus is provided with combustion gas input port and combustion gas delivery outlet, and electromechanical valve and electromechanical signal conversion device are at least installed in mechanical measuring apparatus, described electromechanical signal conversion device accesses IC-card intelligent gas meter terminal master controller by signal pre-processing circuit, and electromechanical valve accesses described IC-card intelligent gas meter terminal master controller by electromechanical valve control circuit, it is characterized in that: in described IC-card intelligent gas meter, also comprise information security management module, described information security management module comprises processor, the first data-interface, the second data-interface and FLASH storer, described processor accesses respectively the first data-interface, the second data-interface and FLASH storer, wherein:
Described the first data-interface access IC-card information exchange module, communicates by letter with the unique data of IC-card information exchange module for carrying out IC-card intelligent gas meter, and transmit it to processor in the time receiving the external data that comes from IC-card information exchange module;
Described FLASH storer is for storing control and the documentor of information security management module;
Described the second data-interface access IC-card intelligent gas meter terminal master controller, for carrying out the data communication between processor and IC-card intelligent gas meter terminal master controller, described IC-card intelligent gas meter terminal master controller is for carrying out the operation of corresponding table end according to the instruction of processor;
Described processor is in the time receiving the external data that comes from the first data-interface, the gas management system of selling that writes external data according to external data subtend IC-card is carried out authentication, when authentication result is judged as when legal, encrypted packets is decrypted and completeness check, on the contrary the original state that resets;
After data integrity verifying passes through, the validity of data is verified, on the contrary the original state that resets;
After Validation of Data is passed through, the affairs that comprise in data are carried out to pre-service, and from IC-card intelligent gas meter terminal master controller, obtain corresponding return message by the second data-interface, after being encrypted, described return message returns to IC-card information exchange module by the first data-interface, after effectively being confirmed, pre-service result approved and stored relevant operation information, and to IC-card intelligent gas meter terminal master controller transmit operation instruction; Otherwise abandon pre-service result or make caching process.
2. the IC-card intelligent gas meter that is embedded with information security management module according to claim 1, it is characterized in that: in described FLASH storer, preset protocols limit condition and multiple different cipher key procedures, for in the time that information security management module is carried out exchanges data from the subsystem of selling the different classifications of gas management system respectively, processor is compared with multiple cipher key procedures preset in FLASH storer according to the encryption key of external data, thereby the identity of gas management system is sold in certification, and after encrypted packets deciphering and completeness check pass through, validity according to protocols limit condition Verification data under current identity, judge whether the affairs in data to carry out pre-service.
3. the IC-card intelligent gas meter that is 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 IC-card intelligent gas meter terminal master controller, and the pre-service result of processor to affairs in external data.
4. the IC-card intelligent gas meter that is embedded with information security management module according to claim 1, is characterized in that: described processor is central processing unit or the single-chip microcomputer that can carry out cryptographic algorithm.
5. the IC-card intelligent gas meter that is embedded with information security management module according to claim 1, is characterized in that: the first described data-interface is IC-card interface.
6. the IC-card intelligent gas meter that is embedded with information security management module according to claim 1, is characterized in that: the second described data-interface is at least any one in the middle of USART serial line interface, SPI serial line interface or I2C serial line interface.
7. the IC-card intelligent gas meter that is 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 with sell the multistage encryption and decryption of gas management system, IC-card intelligent gas meter terminal master controller exchanges data, and auxiliary processor obtains the data encryption key of selling gas management system and carries out authentication.
8. the IC-card intelligent gas meter that is embedded with information security management module according to claim 7, is characterized in that: described encrypting module carries out data encrypting and deciphering by the mode of AES or 3DES.
9. the IC-card intelligent gas meter that is embedded with information security management module according to claim 7, it is characterized in that: described IC-card intelligent gas meter terminal master controller is also connected with LCDs by liquid crystal display circuit, for the Various types of data information of IC-card intelligent gas meter is presented in LCDs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310038977.8A CN103106745B (en) | 2013-01-31 | 2013-01-31 | Integrated circuit (IC) card intelligent gas meter embedded with information security management module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310038977.8A CN103106745B (en) | 2013-01-31 | 2013-01-31 | Integrated circuit (IC) card intelligent gas meter embedded with information security management module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103106745A CN103106745A (en) | 2013-05-15 |
| CN103106745B true CN103106745B (en) | 2014-09-24 |
Family
ID=48314567
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310038977.8A Active CN103106745B (en) | 2013-01-31 | 2013-01-31 | Integrated circuit (IC) card intelligent gas meter embedded with information security management module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103106745B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106228694A (en) * | 2016-07-14 | 2016-12-14 | 重庆人文科技学院 | A kind of intellective IC card measuring instrument with hardware encryption function |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101866515A (en) * | 2010-06-25 | 2010-10-20 | 北京市热力集团有限责任公司 | Thermal control device for prepaying with noncontact-type smart IC card |
| CN102063764A (en) * | 2011-01-25 | 2011-05-18 | 邵泽华 | Intelligent gas meter of Internet of things and control system thereof |
| CN202257760U (en) * | 2011-08-29 | 2012-05-30 | 丹东岩穀东洋燃气表有限公司 | Omnibearing public security intelligent IC card fuel gas flow meter |
| CN102496209A (en) * | 2011-11-16 | 2012-06-13 | 成都秦川科技发展有限公司 | Intelligent object network heat meter and management system thereof |
| CN102693588A (en) * | 2012-06-14 | 2012-09-26 | 哈尔滨工程大学三金高新技术有限责任公司 | Wirelessly-networkable IoT (Internet of Things) IC (integrated circuit) card intelligent gas meter |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20010109852A (en) * | 2000-06-02 | 2001-12-12 | 김태훈 | Gauge auto management system |
| JP2006092306A (en) * | 2004-09-24 | 2006-04-06 | Saxa Inc | Usage rate management terminal device, sales management device and sales management system |
-
2013
- 2013-01-31 CN CN201310038977.8A patent/CN103106745B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101866515A (en) * | 2010-06-25 | 2010-10-20 | 北京市热力集团有限责任公司 | Thermal control device for prepaying with noncontact-type smart IC card |
| CN102063764A (en) * | 2011-01-25 | 2011-05-18 | 邵泽华 | Intelligent gas meter of Internet of things and control system thereof |
| CN202257760U (en) * | 2011-08-29 | 2012-05-30 | 丹东岩穀东洋燃气表有限公司 | Omnibearing public security intelligent IC card fuel gas flow meter |
| CN102496209A (en) * | 2011-11-16 | 2012-06-13 | 成都秦川科技发展有限公司 | Intelligent object network heat meter and management system thereof |
| CN102693588A (en) * | 2012-06-14 | 2012-09-26 | 哈尔滨工程大学三金高新技术有限责任公司 | Wirelessly-networkable IoT (Internet of Things) IC (integrated circuit) card intelligent gas meter |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2006-92306A 2006.04.06 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103106745A (en) | 2013-05-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103106744B (en) | Internet of things intelligent gas meter embedded with information security management module | |
| CN103217952A (en) | Internet of things intelligent water meter provided with information safety management module in embedded mode | |
| CN103093139B (en) | Integrated circuit (IC) card intelligent gas meter information safety management module | |
| CN103136481B (en) | Intelligent energy table information security management module | |
| CN103078874B (en) | Be embedded with the remote-control intelligent gas meter of information security management module | |
| CN103152166B (en) | Remote-control intelligent water meter information security management module | |
| CN203151543U (en) | IC card intelligent water meter embedded with information security management module | |
| CN103220134B (en) | There is the Intelligent gas meter based on internet of things of information security management function | |
| CN103220136A (en) | Internet of things intelligent electricity meter with embedded information security management module | |
| CN103198573B (en) | Information safety management module for intelligent IC card water meter | |
| CN104537768B (en) | IC card intelligent heat meter information security management module | |
| CN103106745B (en) | Integrated circuit (IC) card intelligent gas meter embedded with information security management module | |
| CN103200570B (en) | Intelligent water meter of Internet of things information security management module | |
| CN103236113B (en) | IC-card intelligent electric energy meter information security management module | |
| CN203104485U (en) | Internet of things intelligent gas meter information security management module | |
| CN203151518U (en) | Internet of things intelligent water meter embedded with information security management module | |
| CN103312493A (en) | Internet-of-things intelligent heat meter embedded with information safety management module | |
| CN103199993B (en) | Be embedded with the IC-card intellectual water meter of information security management module | |
| CN103220133B (en) | There is the remote-control intelligent gas meter of information security management function | |
| CN103152175B (en) | Remote-control intelligent gas meter information security management module | |
| CN103218875B (en) | Integrated circuit (IC) card intelligent electric energy meter embedded with information safety management module | |
| CN103220132B (en) | There is the intelligent gas meter of information security management function | |
| CN203104478U (en) | Internet of things intelligent gas meter embedded with information security management module | |
| CN103220135B (en) | There is the IC-card intelligent gas meter of information security management function | |
| CN103325183A (en) | IC card intelligent heat meter information security management module |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 610000 Longquanyi, Sichuan Province Industrial Park licensing Patentee after: Chengdu Qinchuan networking Polytron Technologies Inc Address before: 610000 Longquanyi, Sichuan Province Industrial Park licensing Patentee before: Chengdu Taichuan Technology Development Co., Ltd. |
|
| CP01 | Change in the name or title of a patent holder |