CN204480282U - A kind of Mobile RFID reader-writer - Google Patents
A kind of Mobile RFID reader-writer Download PDFInfo
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- CN204480282U CN204480282U CN201520122772.2U CN201520122772U CN204480282U CN 204480282 U CN204480282 U CN 204480282U CN 201520122772 U CN201520122772 U CN 201520122772U CN 204480282 U CN204480282 U CN 204480282U
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- radio frequency
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Abstract
The utility model provides a kind of Mobile RFID reader-writer, comprise data are processed and store and to RFID radio frequency module for reading and writing send instruction micro control unit MCU, be responsible for modulating read write command, send and to the echoed signal that electronic tag returns carry out demodulation RFID radio frequency module for reading and writing, be responsible for carrying out between mobile device and read write line Wireless Data Transmission bluetooth module, for receiving and send antenna and the power module of signal; Not only dirigibility is good, be applicable to mobile office, and security is good.
Description
Technical field
The utility model relates to field of radio frequency identification, and especially a kind of use is based on the intersection identity authentication protocol of bit arithmetic and the Mobile RFID reader-writer of symmetric cryptography.
Background technology
Radio-frequency (RF) identification (RFID) technology is a kind of wireless communication technology, to be read and write between related data recognition system and specific objective without the need to carrying out physical contact by radio signals identification specific objective.It is fast that RFID technique has sweep velocity, and discrimination is high; Volume is little, various shapes, can be applicable to dissimilar product; Can be used repeatedly, inside tags information can wipe, revise; Data accumulating capacity is large, can store mass data information; Contamination resistance is strong, has stronger repellence to materials such as water, oil and chemicalss; Penetrability is strong, has certain penetrability to nonmetal or nontransparent material; Security is high, can the advantage such as data message after storage encryption.RFID technique relies on its above advantage to be widely used in the fields such as industry, business, office, finance, military affairs.
Rfid interrogator in the market has the shortcomings such as poor mobility, device coupled degree is high, security is low.The rfid interrogator dirigibility that usage data line connects computing machine is poor, inconvenient mobile office.RFID label tag read-write part is integrated together with control section by Mobile RFID reader-writer all-in-one, and device coupled degree is high, and user can only use task equipment to carry out tag reader, is not easy to realize equipment interoperability.Lack effective authentication and data encryption step in data transmission procedure, security is lower.
Utility model content
The utility model is in order to solve the above-mentioned defect and deficiency that exist in prior art, and provide a kind of Mobile RFID reader-writer, dirigibility is good, be applicable to mobile office, and security is good.
For solving the problems of the technologies described above, the utility model provides a kind of Mobile RFID reader-writer,
Comprise data are processed and store and to RFID radio frequency module for reading and writing send instruction micro control unit MCU, be responsible for modulating read write command, send and to the echoed signal that electronic tag returns carry out demodulation RFID radio frequency module for reading and writing, be responsible for carrying out between mobile device and read write line Wireless Data Transmission bluetooth module, for receiving and send antenna and the power module of signal; Described micro control unit MCU is connected with described bluetooth module by UART interface, and described micro control unit MCU is connected with described RFID radio frequency module for reading and writing by SPI interface; Described power module is electrically connected with described micro control unit MCU, RFID radio frequency module for reading and writing, bluetooth module respectively.
Preferably, described power module is accumulator.
Preferably, described accumulator is connected with solar panels by wire.
Preferably, described solar panels are detachable.
Preferably, the utility model also comprises emergency power pack.
Preferably, described emergency power pack comprises power supply adaptor.
The Advantageous Effects that the utility model reaches:
The utility model is connected with mobile device (smart mobile phone or panel computer) by bluetooth module, and use mobile device to control the utility model and carry out RFID label tag reading, dirigibility is better, is applicable to mobile office.After mobile device and read write line successful connection, use and a kind ofly based on intersecting the extra lightweight identity authentication protocol of bit arithmetic, authentication is carried out to read write line and mobile device.Certification pass through after data transmission procedure, based on XOR, symmetric cryptography is carried out to data, ensure that security of the present utility model.In addition, the utility model structure is simple, easy to carry, is applicable to large-scale promotion application.
Accompanying drawing explanation
Fig. 1 the utility model structural representation.
Embodiment
In order to the technique effect that auditor can better understand technical characteristic of the present utility model, technology contents and reach, now accompanying drawing of the present utility model is described in detail in conjunction with the embodiments.But shown accompanying drawing, just in order to better illustrate the technical solution of the utility model; be not actual proportions of the present utility model and best configuration; so, ask auditor not with regard to ratio and the configuration of accompanying drawing, limit claims of the present utility model.
Below in conjunction with drawings and Examples, the utility model patent is further illustrated.
As shown in Figure 1, the utility model provides a kind of Mobile RFID reader-writer, it is characterized in that:
Comprise data are processed and store and to RFID radio frequency module for reading and writing send instruction micro control unit MCU, be responsible for modulating read write command, send and to the echoed signal that electronic tag returns carry out demodulation RFID radio frequency module for reading and writing, be responsible for carrying out between mobile device and read write line Wireless Data Transmission bluetooth module, for receiving and send antenna and the power module of signal; Described micro control unit MCU is connected with described bluetooth module by UART interface, and described micro control unit MCU is connected with described RFID radio frequency module for reading and writing by SPI interface; Described power module is electrically connected with described micro control unit MCU, RFID radio frequency module for reading and writing, bluetooth module respectively.
The utility model, for the ease of carrying, have employed storage battery power supply.In order to conservation of power resource, the utility model is provided with solar panels, and solar panels are connected with accumulator by wire, not the used time, can be that charge in batteries uses for the utility model by solar panels.Solar panels are detachable, when needing charging, only solar panels need be disassembled together with accumulator, put and charge in the sun, avoid and read write line is affected serviceable life by the sun is exposed to the sun.When occurring emergency case, when cannot ensure electric power supply, can have a strong impact on use of the present utility model, therefore the utility model also comprises emergency power pack, in case of need.Comprise power supply adaptor in emergency power pack, convenient and the utility model matches, and emergency power pack can meet continued power more than 1 week.
A kind of Mobile RFID reader-writer that the utility model provides is by bluetooth module and mobile device, as smart mobile phone, panel computer etc. connect, a kind of identity authentication protocol based on intersection bit arithmetic is used to carry out authentication after successful connection, use mobile device as controller after authentication success, send the read write command after encryption to read write line by the bluetooth of its inside.After the bluetooth that the bluetooth module of read write line receives mobile device sends instruction, and be sent to micro control unit MCU by UART interface, micro control unit MCU is decrypted instruction, analyze decision instruction type, RFID radio frequency module for reading and writing steering order is generated according to instruction type, the RFID radio frequency module for reading and writing steering order of generation is sent to RFID radio frequency module for reading and writing by SPI interface by micro control unit MCU, after RFID radio frequency module for reading and writing receives the instruction that micro control unit MCU sends over, director data is modulated on the RF operating frequency of read write line, send via antenna.
The radiofrequency signal of launching is sent on electronic tag through space, and electronic tag carries out demodulation to the radiofrequency signal received, and responds according to the data obtained after demodulation, response data modulation is generated echoed signal and turns back to read write line.After the RFID radio frequency module for reading and writing of read write line receives by antenna the echoed signal that electronic tag returns, demodulation is carried out to echoed signal, extract the response data that label returns, micro control unit MCU is returned to by SPI interface, after micro control unit MCU is encrypted response data, bluetooth module is sent to by UART interface, response data after encryption is sent to mobile device by bluetooth module, after mobile device receives the response data after encryption, be decrypted, obtain the clear data that RFID label tag returns.
Below disclose the utility model with preferably embodiment, so itself and be not used to limit the utility model, allly take equivalent replacement or technical scheme that the scheme of equivalent transformation obtains, all drop in protection domain of the present utility model.
Claims (6)
1. a Mobile RFID reader-writer, is characterized in that:
Comprise data are processed and store and to RFID radio frequency module for reading and writing send instruction micro control unit MCU, be responsible for modulating read write command, send and to the echoed signal that electronic tag returns carry out demodulation RFID radio frequency module for reading and writing, be responsible for carrying out between mobile device and read write line Wireless Data Transmission bluetooth module, for receiving and send antenna and the power module of signal; Described micro control unit MCU is connected with described bluetooth module by UART interface, and described micro control unit MCU is connected with described RFID radio frequency module for reading and writing by SPI interface; Described power module is electrically connected with described micro control unit MCU, RFID radio frequency module for reading and writing, bluetooth module respectively.
2. Mobile RFID reader-writer according to claim 1, is characterized in that: described power module is accumulator.
3. Mobile RFID reader-writer according to claim 2, is characterized in that: described accumulator is connected with solar panels by wire.
4. Mobile RFID reader-writer according to claim 3, is characterized in that: described solar panels are detachable.
5. Mobile RFID reader-writer according to claim 1, is characterized in that: also comprise emergency power pack.
6. Mobile RFID reader-writer according to claim 5, is characterized in that: described emergency power pack comprises power supply adaptor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520122772.2U CN204480282U (en) | 2015-03-03 | 2015-03-03 | A kind of Mobile RFID reader-writer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520122772.2U CN204480282U (en) | 2015-03-03 | 2015-03-03 | A kind of Mobile RFID reader-writer |
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| Publication Number | Publication Date |
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| CN204480282U true CN204480282U (en) | 2015-07-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520122772.2U Active CN204480282U (en) | 2015-03-03 | 2015-03-03 | A kind of Mobile RFID reader-writer |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108595999A (en) * | 2018-07-12 | 2018-09-28 | 白鹭 | A kind of electronic tag scanning means traced to the source for nursery stock |
| CN108647758A (en) * | 2018-06-21 | 2018-10-12 | 国家电网公司 | A kind of tablet external hanging type super high frequency electronic label read/write based on Bluetooth communication |
| CN110726491A (en) * | 2019-11-13 | 2020-01-24 | 广东阿尔派智能电网有限公司 | Wireless temperature measurement monitoring device and method for power system |
-
2015
- 2015-03-03 CN CN201520122772.2U patent/CN204480282U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108647758A (en) * | 2018-06-21 | 2018-10-12 | 国家电网公司 | A kind of tablet external hanging type super high frequency electronic label read/write based on Bluetooth communication |
| CN108595999A (en) * | 2018-07-12 | 2018-09-28 | 白鹭 | A kind of electronic tag scanning means traced to the source for nursery stock |
| CN110726491A (en) * | 2019-11-13 | 2020-01-24 | 广东阿尔派智能电网有限公司 | Wireless temperature measurement monitoring device and method for power system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |