CN202534056U - Non-contact information safety interactive electric energy meter - Google Patents
Non-contact information safety interactive electric energy meter Download PDFInfo
- Publication number
- CN202534056U CN202534056U CN2012202079620U CN201220207962U CN202534056U CN 202534056 U CN202534056 U CN 202534056U CN 2012202079620 U CN2012202079620 U CN 2012202079620U CN 201220207962 U CN201220207962 U CN 201220207962U CN 202534056 U CN202534056 U CN 202534056U
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- China
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- nfc
- electric energy
- energy meter
- control unit
- mobile phone
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- Expired - Lifetime
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Abstract
The utility model discloses a non-contact information safety interactive electric energy meter which comprises a master control microprogrammed control unit (MCU), a near field communication (NFC) control unit and an NFC safety unit. The NFC control unit is provided with an antenna used for communicating with an outside NFC mobile phone. The NFC control unit is communicated with the master control MCU through a 12C data bus. The NFC control unit is communicated with the NFC safety unit through the single wire protocol (SWP). According to the non-contact information safety interactive electric energy meter, a user can carry out local meter-reading and remote payment with the mobile phone, so the user can use the NFC mobile phone to prepay electric charges without going out of a room.
Description
Technical field
The utility model relates to a kind of electric energy meter, the mutual electric energy meter of especially a kind of contactless information security.
Background technology
The mutual electric energy meter of existing contactless information security; Generally form by master controller, metering circuit, storer, relay control unit, infrared interface, RS485 interface, keystroke interface etc.; This electric energy meter is present more advanced table; Electric system can be passed through power line carrier or wireless communication technology remote automatic meter reading, can realize remote automatic meter reading, then through sales counter pay the fees or network pay the fees or note pay the fees or bank deduct fees automatically.But this electric energy meter can't be supported carrier wave or the wireless mode of far copying at some applied environment, and the backstage electric system can't obtain customer consumption information, can't confirm the consistance of subscriber payment and actual amount receivable.
The utility model content
The purpose of the utility model is to provide a kind of good stability, and the backstage electric system can accurately obtain the mutual electric energy meter of contactless information security of customer consumption information fast.
The mutual electric energy meter of this contactless information security that the utility model provides; Comprise main control MCU; Also comprise NFC control module and NFC safe unit, the NFC control module has antenna and is used for and extraneous mobile communication with NFC communication function, passes through I between NFC control module and the main control MCU
2The C bus communication and is communicated by letter through the SWP single-wire-protocol between the NFC safe unit.
Owing to be provided with NFC control module and NFC safe unit in the utility model electric energy meter, the mobile phone with NFC communication function can be communicated by letter with it, therefore can bring following advantage:
(1) the mutual ammeter of contactless information security and have the safe, convenient of message exchange between the mobile phone of NFC communication function.Because the mutual electric energy meter of contactless information security is contactless communication mode (mobile phone with NFC communication function is hereinafter to be referred as the NFC mobile phone) with having between the mobile phone of NFC communication function, so use very convenient; Owing to all introduced the NFC safe unit in mutual electric energy meter of contactless information security and the NFC mobile phone, in the process of exchanges data, will carry out the operation of a series of encryption and decryption, signature and certifying signature in addition, so communication between the two is safe;
(2) information interactive process between this electric energy meter and the main website can guarantee information privacy, integrality and freshness.This electric energy meter can be supported the bidirectional information authentication between self and the main website.Through between electric energy meter and electric power main website, sharing private cipher key, and to mutual information carry out encryption and decryption and signature operation, can guarantee that institute's interactive information is not distorted between the two, thereby guarantee the privacy and the integrality of data.Through in interactive information, inserting the variable quantity relevant with the time, freshness that can guarantee information, thus prevent Replay Attack.Correspond to Utilities Electric Co. and pay the fees and use, more than three kinds of securities can prevent the malicious user eavesdropping, distort the amount of money or repeatedly use the same information of paying the fees to supplement with money of paying the fees;
(3) saved construction cost and the maintenance cost that Utilities Electric Co. is used for remote system; After using this electric energy meter; Utilities Electric Co. can save original remote system, accomplishes the work of checking meter, paying the fees and prestoring by the user, has saved the construction and the maintenance cost of remote system.Do not having under the pattern of remote system, Utilities Electric Co. adopts the pre-payment pattern to come the NFC electric energy meter is controlled;
(4) personnel that saved Utilities Electric Co. drop into, and original sales counter business personnel quantity will reduce significantly;
(5) realized that the electricity charge copy the integrated of the process of paying, made things convenient for the user.This electric energy meter is supported user mobile phone this locality remote payment pattern of checking meter, and the user can use the pre paid functionality of the NFC mobile phone completion electricity charge with " stay indoors ".
Description of drawings
Fig. 1 is the structural representation block diagram of the utility model.
Embodiment
NFC is received and writes standard by mobile phone industry; The mobile phone that adds the numerous manufacturers of nokia, htc, the three magnitudes release of this standard all will possess the NFC function; The NFC mobile-phone payment is classified as standard by China Unionpay simultaneously, and domestic bank can both receive the payment of this kind mode, is more conducive to promote.The utility model is implemented only to need to increase the NFC module in the existing intelligent electric energy meter table, promptly increases NFC control module and NFC safe unit, and with passing through I between NFC control module NFC control module and the main control MCU
2Communicate by letter through the SWP single-wire-protocol between the C bus communication, NFC control module and NFC safe unit.Just can realize the contactless information security exchange channels between the utility model electric energy meter and the NFC mobile phone.
Fig. 1 has reflected the structure of the utility model; Can find out that from this figure the utility model still has main control MCU, power circuit, metering circuit, storer, relay control unit, infrared interface, RS485 interface, keystroke interface, liquid crystal display etc.; Also have NFC control module and NFC safe unit; The NFC control module has the antenna with extraneous NFC mobile communication, is responsible for the information interaction between control and NFC mobile phone, NFC safe unit and the main control MCU.The NFC safe unit is responsible for carrying out security-related algorithm, and output result of calculation is given the NFC control module.Communication mode between NFC control module and the main control MCU is I
2C bus communication mode, the communication mode between NFC control module and the NFC safe unit is the SWP single-wire-protocol.
Claims (1)
1. mutual electric energy meter of contactless information security; Comprise main control MCU; It is characterized in that also comprising NFC control module and NFC safe unit, the NFC control module has antenna and is used for and extraneous mobile communication with NFC communication function, passes through I between NFC control module and the main control MCU
2The C bus communication and is communicated by letter through the SWP single-wire-protocol between the NFC safe unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202079620U CN202534056U (en) | 2012-05-10 | 2012-05-10 | Non-contact information safety interactive electric energy meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202079620U CN202534056U (en) | 2012-05-10 | 2012-05-10 | Non-contact information safety interactive electric energy meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202534056U true CN202534056U (en) | 2012-11-14 |
Family
ID=47135222
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012202079620U Expired - Lifetime CN202534056U (en) | 2012-05-10 | 2012-05-10 | Non-contact information safety interactive electric energy meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202534056U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102663856A (en) * | 2012-05-10 | 2012-09-12 | 重庆市电力公司电力科学研究院 | Non-contact information security interactive electric energy meter and security interactive system for electric energy meter |
| CN106027568A (en) * | 2016-07-14 | 2016-10-12 | 国家电网公司 | Security encryption and communication method for electric power account number card |
-
2012
- 2012-05-10 CN CN2012202079620U patent/CN202534056U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102663856A (en) * | 2012-05-10 | 2012-09-12 | 重庆市电力公司电力科学研究院 | Non-contact information security interactive electric energy meter and security interactive system for electric energy meter |
| CN106027568A (en) * | 2016-07-14 | 2016-10-12 | 国家电网公司 | Security encryption and communication method for electric power account number card |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121114 |
|
| CX01 | Expiry of patent term |