CN203799444U - Intelligent electric energy meter system based on NFC and Wi-Fi technologies - Google Patents
Intelligent electric energy meter system based on NFC and Wi-Fi technologies Download PDFInfo
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- CN203799444U CN203799444U CN201420189028.XU CN201420189028U CN203799444U CN 203799444 U CN203799444 U CN 203799444U CN 201420189028 U CN201420189028 U CN 201420189028U CN 203799444 U CN203799444 U CN 203799444U
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Abstract
The utility model relates to the technical field of electric energy meters and discloses an intelligent electric energy meter system based on the NFC (Near Field Communication) and Wi-Fi technologies. The intelligent electric energy meter system comprises a main-control CPU module, an electric energy metering module, a memory module, an NFC module, a Wi-Fi communication module, a real-time clock module, a wireless communication module, a main power source module and an LCD display module. According to the utility model, prepaid charging of energy charge can be conducted through the NFC technology; the electric energy meter and a smart phone can be guided to conduct fast Wi-Fi authentication and establish data connection through NFC; higher velocity and security can be acquired; the purpose that the electric energy meter becomes an intelligent node under the Internet of Things framework is actually achieved; respective advantages of the NFC and Wi-Fi technologies can be combined while the respective disadvantages are compensated; therefore, great convenience is brought to users and the user experience is improved.
Description
Technical field
The utility model relates to electric energy meter, technology of Internet of things field, refers more particularly to a kind of intelligent electric energy meter system based on NFC and Wi-Fi technology.
Background technology
Prepayment meter adopts the first power purchase pattern of electricity consumption again, does not need manual metering, fully demonstrates the item property of electric power, has solved well the difficult problem that collects charges for electricity, and can count to zero rear auto-breaking at watt-hour meter.Because prepayment meter is with breaker device, can realize some subsidiary functions, as load control, overcurrent protection etc.In recent years, for alleviating manual metering workload and carrying out the electricity charge and take in advance, there is using the prepayment meter of IC-card as payment medium.But it is many not convenient still to exist yet.First, exist in this function aspects of pre-payment that need to go to business hall be that IC-card is supplemented with money, can not support the network parting fee mode of current main-stream, can not give user with Recharge Promotion in advance; In addition electric energy meter can only carry out alternately with the backstage of electric company, and quantity of information is limited by the rate limit of current kilowatt meter reading-out system, is also not easy to maintainer's orientation problem fast and accurately after ammeter is out of order.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of intelligent electric energy meter system based on NFC and Wi-Fi technology, can not support the network parting fee mode of current main-stream to overcome prior art, can not give user with Recharge Promotion in advance, user can easily not be obtained from oneself power information, and when prior art is used separately NFC interaction data, transmission range is short, the shortcoming that transfer rate is low, while separately using Wi-Fi, the defect such as scanning device is slow, verification process complexity.
For solving the problems of the technologies described above, the utility model by the following technical solutions:
A kind of intelligent electric energy meter system based on NFC and Wi-Fi technology, it is characterized in that, comprise master cpu module, electric energy metering module, memory module, NFC module, Wi-Fi communication module, real-time clock module, wireless communication module, main power source module and LCD display module; Described master cpu module is connected with described electric energy metering module, memory module, NFC module, Wi-Fi communication module, real-time clock module, wireless communication module, described LCD display module respectively; Described main power source module provides power supply for whole system.
Preferably, described wireless communication module is the communication module based on 6LoWPAN wireless sensor network, is connected with described master cpu module by UART or SPI interface.
Preferably, described master cpu module adopts the embedded ARM processor of ARM920T core.
Preferably, described memory module is non-volatile memory modules, adopts the NandFlash of Samsung.
Preferably, described NFC module adopts NFC controller and the NFC safety chip of company of Infineon, and described NFC controller is interconnected by SPI interface and master cpu module, and described NFC safety chip carries out communication by SWP single-wire-protocol and described NFC controller.
Preferably, described Wi-Fi communication module adopts the integrated transceiver of TI company and the integrated module of protocol stack, and by USB, UART or SPI are connected with described master cpu module.
Preferably, described electric energy metering module adopts the digital high accuracy electric energy computation chip of ADI company.
Preferably, the described communication module based on 6LoWPAN wireless sensor network adopts TI company integrated transceiver, the single-chip solution of 6LoWPAN protocol stack and application layer software.
Preferred, the described intelligent electric energy meter system based on NFC and Wi-Fi technology also comprises standby power supply module, and described standby power supply is made up of battery and charging control circuit, for described real-time clock module provides power supply.
The utility model compared with prior art, have the following advantages: the system integration of (1) the utility model intelligent electric energy meter NFC unit, Wi-Fi unit and 6LoWPAN wireless sensor network unit, really having realized electric energy meter becomes an intelligent node under Internet of Things framework; Can be in conjunction with NFC, Wi-Fi technology advantage separately, makes up shortcoming separately, greatly facilitates user, promotes user and experiences; (2) the utility model, for terminal electricity consumption user provides flexibly, facilitates, the ammeter prepayment mode of safety; User can use the various modes of payments to supplement with money for NFC stored value card, by simple touching ammeter and can complete payment; (3) integrated 6LoWPAN wireless sensor network module of the present utility model, intelligent electric meter is accessed in the IPV6 monitor network of electric company, electric company can facilitate, and obtains timely the charging information of this intelligent electric meter, user's electricity consumption data, the health status of ammeter; Electric company can carry out reconciliation in time, and accounts information upgrades, the processing such as Breakdown Maintenance; (4) integrated Wi-Fi communication module of the present utility model is under the guiding of NFC module, completing user smart mobile phone is stepped on the verification process of intelligent terminal and ammeter, user only need to use the touching ammeter such as smart mobile phone that possesses NFC function can complete Wi-Fi certification, obtain the paddy peak power information of the every month of oneself, electricity consumption step price, the information such as supply voltage.
Brief description of the drawings
Below in conjunction with accompanying drawing, the technical solution of the utility model is further described in detail.
Fig. 1 is the utility model embodiment main modular topology interface schematic diagram;
Fig. 2 is the utility model NFC paying process flow diagram;
Fig. 3 is the utility model NFC guiding Wi-Fi certification, exchange message flow process figure.
Embodiment
Below in conjunction with embodiment, the technical solution of the utility model is further described in detail.
In conjunction with Fig. 1, based on an intelligent electric energy meter system for NFC and Wi-Fi technology, comprise master cpu module, electric energy metering module, memory module, NFC module, Wi-Fi communication module, real-time clock module, communication module, main power source module, standby power supply module and LCD display module based on 6LoWPAN wireless sensor network; Master cpu module is connected with electric energy metering module, memory module, NFC module, Wi-Fi communication module, real-time clock module, the communication module based on 6LoWPAN wireless sensor network, LCD display module respectively; NFC module is connected by spi bus with master cpu module; Wi-Fi communication module and master cpu module are by USB, and UART or SPI connect, interaction data, and Wi-Fi communication module adopts the integrated transceiver of TI company and the integrated module of protocol stack; Communication module based on 6LoWPAN wireless sensor network adopts TI company integrated transceiver, the single-chip solution of 6LoWPAN protocol stack and application layer software, the communication module based on 6LoWPAN wireless sensor network is connected with master cpu module with master cpu by UART or SPI interface; Main power source module provides power supply for whole system.Master cpu module adopts the embedded ARM processor of ARM920T core, be responsible for the operation of the relevant communication of whole intelligent electric energy meter and control relative program, the advantage of this processor is low in energy consumption, rich interface, be widely used in various intelligent terminals stable and reliable operation; Electric energy metering module adopts the digital high accuracy electric energy computation chip of ADI company, and the relevant informations such as power consumption, voltage, electric current are provided for master cpu; Memory module is non-volatile memory modules, adopts the NandFlash of Samsung, storage user's power use by time shearing amount, voltage, electric current, temperature, NFC user key, the information such as NFC maintenance key; NFC module adopts NFC controller and the NFC safety chip of company of Infineon, and NFC controller is interconnected by SPI interface and master cpu module, and NFC safety chip carries out communication, interactive information by SWP single-wire-protocol and NFC controller; Real-time clock is the operating system system local runtime time accurately of master cpu, and by time calibration in network protocol update, calibration local clock; Communication module based on 6LoWPAN wireless sensor network is at IPV6, under the cooperation of IPV4 gateway interface machine, electric company can pass through ethernet communication means arbitrarily, access intelligent electric meter, realize remote meter reading, ammeter parameter change, ammeter running state monitoring, the functions such as ammeter firmware and software upgrading; Standby power supply is made up of battery and relevant charging control circuit, for described real-time clock module provides power supply; LCD display module is connected with master cpu by display interface, accepts the instruction of master cpu, shows the information that user needs.
For further illustrating the utility model, in conjunction with Fig. 2, set forth user and use the intelligent electric energy meter system of the utility model based on NFC and Wi-Fi technology and the smart mobile phone that possesses NFC function to complete the flow process of payment:
The first step: first user goes to the business hall of electric company to register with the smart mobile phone of oneself, completes the key registration and exchange of oneself intelligent electric meter and NFC smart mobile phone;
Second step: the NFC mobile phone wallet that user is oneself by internet or other third party's means of payment is supplemented with money;
The 3rd step: user is by the NFC smart mobile phone of oneself near intelligent electric meter, and mobile phone is set up safety with ammeter by NFC and is connected, and carries out identity validation; After authentication completes, ammeter, by connecting based on 6LoWPAN wireless sensor network and electric company backstage, upgrades load value data, completes and supplements operation with money;
The 4th step: after completing and supplementing with money, user brings back the smart mobile phone of oneself, and ammeter is in LCD display reminding information, and the information content is recharge amount, account balance and this month power consumption; Information shows after 30s, gets back to the initial show state of ammeter.
For further illustrating the utility model, in conjunction with Fig. 3, set forth user and use the intelligent electric energy meter system of the utility model based on NFC and Wi-Fi technology and the smart mobile phone that possesses NFC function to obtain user power utilization information or ammeter running log, the flow process of failure message:
The first step: user is by the smart mobile phone of oneself near ammeter, and ammeter and smart mobile phone exchange both sides' identity by NFC, both sides' MAC Address and Wi-Fi password, two equipment carry out automatic Verification, set up Wi-Fi and connect safely; Ammeter, according to the difference of user identity, sends to smart mobile phone by different data;
Second step: if user, ammeter is connected and started transmission process by TCPSocket, and by user's power use by time shearing information, accounts information etc. pass to smart mobile phone, and smart mobile phone is presented to user by corresponding APP by result; So that the data of user and electric company are checked;
The 3rd step: if maintainer, ammeter is connected and started transmission process by TCPSocket, and by the running log of ammeter, failure message etc. send maintainer's smart mobile phone to, smart mobile phone to data analysis, is located fault by corresponding APP.
The utility model compared with prior art, have the following advantages: the system integration of (1) the utility model intelligent electric energy meter NFC unit, Wi-Fi unit and 6LoWPAN wireless sensor network unit, really having realized electric energy meter becomes an intelligent node under Internet of Things framework; (2) the utility model, for terminal electricity consumption user provides flexibly, facilitates, the ammeter prepayment mode of safety; User can use the various modes of payments to supplement with money for NFC stored value card, by simple touching ammeter and can complete payment; (3) integrated 6LoWPAN wireless sensor network module of the present utility model, intelligent electric meter is accessed in the IPV6 monitor network of electric company, electric company can facilitate, and obtains timely the charging information of this intelligent electric meter, user's electricity consumption data, the health status of ammeter; Electric company can carry out reconciliation in time, and accounts information upgrades, the processing such as Breakdown Maintenance; (4) integrated Wi-Fi communication module of the present utility model is under the guiding of NFC module, completing user smart mobile phone is stepped on the verification process of intelligent terminal and ammeter, user only need to use the touching ammeter such as smart mobile phone that possesses NFC function can complete Wi-Fi certification, obtain the paddy peak power information of the every month of oneself, electricity consumption step price, the information such as supply voltage; While having overcome independent use NFC interaction data, transmission range is short, the shortcoming that transfer rate is low, and while also having overcome independent use Wi-Fi, scanning device is slow, the defect of verification process complexity simultaneously; The transfer rate of Wi-Fi is very fast simultaneously, and the security authentication mechanism based on WPA2 agreement is also more safe, also there is no at present the effective attack pattern for WPA2 agreement.
It should be noted last that, above embodiment is only unrestricted in order to the technical solution of the utility model to be described, although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement the technical solution of the utility model, and not departing from the spirit and scope of technical solutions of the utility model, it all should be encompassed in the middle of claim scope of the present utility model.
Claims (9)
1. the intelligent electric energy meter system based on NFC and Wi-Fi technology, it is characterized in that, comprise master cpu module, electric energy metering module, memory module, NFC module, Wi-Fi communication module, real-time clock module, wireless communication module, main power source module and LCD display module; Described master cpu module is connected with described electric energy metering module, memory module, NFC module, Wi-Fi communication module, real-time clock module, wireless communication module, described LCD display module respectively; Described main power source module provides power supply for whole system.
2. the intelligent electric energy meter system based on NFC and Wi-Fi technology according to claim 1, it is characterized in that, described wireless communication module is the communication module based on 6LoWPAN wireless sensor network, is connected with described master cpu module by UART or SPI interface.
3. the intelligent electric energy meter system based on NFC and Wi-Fi technology according to claim 1, is characterized in that, described master cpu module adopts the embedded ARM processor of ARM920T core.
4. the intelligent electric energy meter system based on NFC and Wi-Fi technology according to claim 1, is characterized in that, described memory module is non-volatile memory modules, adopts the NandFlash of Samsung.
5. the intelligent electric energy meter system based on NFC and Wi-Fi technology according to claim 1, it is characterized in that, described NFC module adopts NFC controller and the NFC safety chip of company of Infineon, described NFC controller is interconnected by SPI interface and master cpu module, and described NFC safety chip carries out communication by SWP single-wire-protocol and described NFC controller.
6. the intelligent electric energy meter system based on NFC and Wi-Fi technology according to claim 1, it is characterized in that, described Wi-Fi communication module adopts the integrated transceiver of TI company and the integrated module of protocol stack, and by USB, UART or SPI are connected with described master cpu module.
7. the intelligent electric energy meter system based on NFC and Wi-Fi technology according to claim 1, is characterized in that, described electric energy metering module adopts the digital high accuracy electric energy computation chip of ADI company.
8. the intelligent electric energy meter system based on NFC and Wi-Fi technology according to claim 2, it is characterized in that, the described communication module based on 6LoWPAN wireless sensor network adopts TI company integrated transceiver, the single-chip solution of 6LoWPAN protocol stack and application layer software.
9. the intelligent electric energy meter system based on NFC and Wi-Fi technology according to claim 1, is characterized in that, also comprise standby power supply module, described standby power supply is made up of battery and charging control circuit, for described real-time clock module provides power supply.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420189028.XU CN203799444U (en) | 2014-04-17 | 2014-04-17 | Intelligent electric energy meter system based on NFC and Wi-Fi technologies |
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| CN201420189028.XU CN203799444U (en) | 2014-04-17 | 2014-04-17 | Intelligent electric energy meter system based on NFC and Wi-Fi technologies |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105185087A (en) * | 2015-10-08 | 2015-12-23 | 青岛乾程电子科技有限公司 | Intelligent meter reading device based on NFC (near field communication) technology |
| CN105513328A (en) * | 2016-01-28 | 2016-04-20 | 钦州学院 | Electric meter system based on Wifi cloud services |
| CN106529936A (en) * | 2016-11-18 | 2017-03-22 | 北京博望华科科技有限公司 | Electricity charge payment method based on non-contact communication, payment channel and payment system |
| CN109035590A (en) * | 2018-06-21 | 2018-12-18 | 广东工业大学 | A kind of intelligent electric meter and electricity charge charging system |
| CN115131915A (en) * | 2022-05-19 | 2022-09-30 | 国网河北省电力有限公司沧州供电分公司 | Visual electric power marketing service terminal equipment and implementation method thereof |
-
2014
- 2014-04-17 CN CN201420189028.XU patent/CN203799444U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105185087A (en) * | 2015-10-08 | 2015-12-23 | 青岛乾程电子科技有限公司 | Intelligent meter reading device based on NFC (near field communication) technology |
| CN105513328A (en) * | 2016-01-28 | 2016-04-20 | 钦州学院 | Electric meter system based on Wifi cloud services |
| CN106529936A (en) * | 2016-11-18 | 2017-03-22 | 北京博望华科科技有限公司 | Electricity charge payment method based on non-contact communication, payment channel and payment system |
| CN109035590A (en) * | 2018-06-21 | 2018-12-18 | 广东工业大学 | A kind of intelligent electric meter and electricity charge charging system |
| CN115131915A (en) * | 2022-05-19 | 2022-09-30 | 国网河北省电力有限公司沧州供电分公司 | Visual electric power marketing service terminal equipment and implementation method thereof |
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