CN214012023U - 2.4GHz radio frequency card of embedded NFC label - Google Patents
2.4GHz radio frequency card of embedded NFC label Download PDFInfo
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- CN214012023U CN214012023U CN202023303516.3U CN202023303516U CN214012023U CN 214012023 U CN214012023 U CN 214012023U CN 202023303516 U CN202023303516 U CN 202023303516U CN 214012023 U CN214012023 U CN 214012023U
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Abstract
The utility model provides a 2.4GHz radio frequency card of embedded NFC label, include: a first antenna; the NFC tag module is connected to the first antenna and used for generating a 2.4GHz radio frequency card ID; a second antenna; the 2.4GHz radio frequency module is connected with the second antenna; the bus socket is connected with the 2.4GHz radio frequency module so as to write the 2.4GHz radio frequency card ID into the 2.4GHz radio frequency module; and the power supply module is connected to the 2.4GHz radio frequency module to supply power to the 2.4GHz radio frequency module. Embedded NFC label of 2.4GHz radio frequency card of embedded NFC label utilizes the characteristic of NFC label near field identification and one-to-one discernment, can carry out the pipelining of 2.4GHz radio frequency card, and simultaneously, the NFC label has unique ID number, and the private data of writing in NFC label private data sector in the reunion generates the ID number of 2.4GHz radio frequency card, has both realized the uniqueness of 2.4GHz radio frequency card ID number, has also improved anti-fake ability.
Description
Technical Field
The utility model belongs to the technical field of communication, concretely relates to 2.4GHz radio frequency card of embedded NFC label.
Background
The RFID information acquisition and positioning management system is a position information service management system for people, vehicles and articles in cities based on the technologies of Internet of things RFID remote radio frequency identification, GIS geographic information management, mobile internet, big data, cloud computing and the like by utilizing the characteristics of long communication distance of a 2.4GHz frequency band and free public service ISM frequency band.
The 2.4GHz radio frequency card is used for associating the identity information of personnel, vehicles and articles, and the 2.4GHz radio frequency base station is used for identifying and reading the information of the 2.4GHz radio frequency card; the background service system is used for storing and processing the information and the incidence relation information recorded by the 2.4GHz radio frequency card; and the background service system is connected with the read-write equipment, and based on the predicted geographical coordinates of the 2.4GHz radio frequency base station, the position information of the 2.4GHz radio frequency card is recorded, and the track of the 2.4GHz radio frequency card related object is further obtained.
The basic requirements of the RFID information acquisition and positioning are as follows: the size is small, the power consumption is small, the button battery can work for more than 2 years continuously, the maximum reading distance is not less than 200 m, the information can be read in an anti-collision mode when a plurality of radio frequency tags appear in a radio frequency field of the reader-writer, and the speed per hour can be identified to exceed 80 km/h.
The similar RFID cards in the market, such as the technical schemes of GPS, Beidou, WiFi and 900MHz, are withdrawn from the competitive market successively because of short standby time, large size, high cost and easy damage.
In addition to the reasons of frequency band selection, another important reason is that the generation efficiency of these products is low, the yield is low, the automation of the generation and detection pipeline is severely restricted, the number of potential users in a city with 300 million people is generally more than 30 million for the application of RFID information acquisition, the demand of RFID cards is large, the automation of the industrial pipeline must be realized in the generation process, the ID number generation and management of some RFID cards easily causes the phenomenon of ID number duplication or serial number, the uniqueness identification of some RFID card data initialization configuration process for RFID cards is realized by isolating a sufficient distance, which seriously affects the processing generation efficiency and the cost, even if 2.4GHz radio frequency cards are adopted, because 2.4GHz can be remotely and concurrently read and written, the multiple 2.4GHz radio frequency cards seriously interfere with each other when writing data, the required production environment is harsh, and the yield is low, meanwhile, in order to maintain the uniqueness of the 2.4GHz radio card ID number, then, generation and data management of all ID numbers cannot have any error, which increases the cost and risk of the entire system.
Based on the above-mentioned technical problem that prior art exists, the utility model provides a 2.4GHz radio frequency card of embedded NFC label.
SUMMERY OF THE UTILITY MODEL
The utility model provides a 2.4GHz radio frequency card of embedded NFC label to solve the above-mentioned technical problem that prior art exists.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a2.4 GHz radio frequency card embedded with an NFC label comprises:
a first antenna;
the NFC tag module is connected to the first antenna to send and receive information through the first antenna, and is used for generating a 2.4GHz radio frequency card ID;
a second antenna;
the 2.4GHz radio frequency module is connected with the second antenna so as to send information through the second antenna;
the bus socket is connected with the 2.4GHz radio frequency module so as to write the 2.4GHz radio frequency card ID into the 2.4GHz radio frequency module;
and the power supply module is connected to the 2.4GHz radio frequency module to supply power to the 2.4GHz radio frequency module.
Further, the NFC tag module includes an ID number information storage module and a private data information storage module, where the ID number information storage module is configured to store the ID number information of the NFC tag, and the private data information storage module is configured to store the private data information.
Further, the 2.4GHz radio frequency module is provided with a reading module for reading the ID of the 2.4GHz radio frequency card.
Further, the 2.4GHz radio frequency module is provided with a judging module for judging whether the ID of the 2.4GHz radio frequency card is legal or not.
Further, the NFC tag module is wirelessly read by an NFC reader to send the NFC tag ID number information and the private data information to the NFC reader.
Further, the ID number information of the NFC tag and the private data information are converted into the ID of the 2.4GHz radio frequency card through an ID processing platform, and the ID processing platform is connected to the NFC reader to receive the ID number information and the private data information.
Further, the ID processing platform is connected to a 2.4GHz reader-writer so as to send the ID of the 2.4GHz radio frequency card to the 2.4GHz reader-writer.
Further, the 2.4GHz reader is connected to the bus socket through a data bus to write the 2.4GHz radio frequency card ID into the 2.4GHz radio frequency module.
Further, the NFC tag module is provided with a private data writing module, and the private data writing module is used for writing private data into the NFC tag module.
Further, the information sent by the first antenna comprises NFC label ID number information and private data information.
Further, the information received by the first antenna is handshake signaling authentication information and feedback information sent by the NFC reader.
Further, the information sent by the second antenna is the ID of the 2.4GHz radio frequency module itself.
Further, the first antenna is a 13.56MHz antenna.
Further, the second antenna is a 2.4GHz antenna.
Compared with the prior art, the utility model discloses a superior effect lies in:
2.4GHz radio frequency card of embedded NFC label, embedded NFC label utilizes the characteristic of NFC label near field identification and one-to-one discernment, can carry out the pipelining of 2.4GHz radio frequency card, simultaneously, the NFC label has unique ID number, the private data of writing in NFC label private data sector in the reunion generates the ID number of 2.4GHz radio frequency card, had both realized the uniqueness of 2.4GHz radio frequency card ID number, had also improved anti-fake ability.
Drawings
Fig. 1 is a schematic structural diagram of a 2.4GHz radio frequency card embedded with an NFC tag in an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an NFC tag module in an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a 2.4GHz rf module in an embodiment of the present invention.
Detailed Description
In order to make the above objects, features and advantages of the present invention more clearly understood, the following detailed description of the present invention is made in conjunction with the accompanying drawings and the detailed description, it is to be noted that the features of the embodiments and examples of the present invention may be combined with each other without conflict.
Examples
As shown in fig. 1, a 2.4GHz rf card embedded with an NFC tag includes:
a first antenna;
the NFC tag module is connected to the first antenna to send and receive information through the first antenna, and is used for generating a 2.4GHz radio frequency card ID;
a second antenna;
the 2.4GHz radio frequency module is connected with the second antenna so as to send information through the second antenna;
the bus socket is connected with the 2.4GHz radio frequency module so as to write the 2.4GHz radio frequency card ID into the 2.4GHz radio frequency module;
and the power supply module is connected to the 2.4GHz radio frequency module to supply power to the 2.4GHz radio frequency module.
In this embodiment, the NFC tag has a unique ID number, that is, an NFC tag ID number, and generates an ID number of a 2.4GHz radio frequency card, that is, the ID of the 2.4GHz radio frequency card, by combining the private data information written in the private data sector of the NFC tag.
In this embodiment, the power supply module is a button battery.
The information sent by the first antenna comprises NFC label ID number information and private data information.
The information received by the first antenna is handshake signaling verification information and feedback information sent by the NFC reader-writer, the feedback information of the NFC reader-writer is obtained, and the NFC label is determined to belong to a legal label.
And the information sent by the second antenna is the ID of the 2.4GHz radio frequency module.
The NFC tag module is wirelessly read by the NFC reader-writer to send the NFC tag ID number information and the private data information to the NFC reader-writer.
The ID number information of the NFC label and the private data information are converted into the ID of the 2.4GHz radio frequency card through an ID processing platform, and the ID processing platform is connected to the NFC reader-writer to receive the ID number information and the private data information; the ID processing platform is used for superposing the NFC tag ID number of the NFC tag and private data through a private algorithm to generate the ID of the 2.4GHz radio frequency card, and the ID processing platform is connected to a 2.4GHz reader-writer to send the ID of the 2.4GHz radio frequency card to the 2.4GHz reader-writer.
The 2.4GHz reader-writer is connected to the bus socket through a data bus so as to write the 2.4GHz radio frequency card ID into the 2.4GHz radio frequency module.
In this embodiment, the data bus is connected to the bus socket to write data, and is not interfered by the environment.
As shown in fig. 2, the NFC tag module includes an ID number information storage module and a private data information storage module, where the ID number information storage module is configured to store the ID number information of the NFC tag, and the private data information storage module is configured to store the private data information.
The ID number information storage module and the private data information storage module can adopt random access memories.
The NFC label module is provided with a private data writing module, and the private data writing module is used for writing private data into the NFC label module.
The NFC label adopts a Mifare label of NXP company, has a unique ID number, and the data sector stores private data protected by a read-write password.
In the actual application process, when the authenticity of the 2.4GHz radio frequency card is verified, the NFC label ID number and the private data of the NFC label are read to be wrong, and the card is directly judged to be a counterfeit card.
As shown in fig. 3, the 2.4GHz rf module is provided with a reading module for reading the ID of the 2.4GHz rf card.
The 2.4GHz radio frequency module is provided with a judging module for judging whether the ID of the 2.4GHz radio frequency card is legal or not.
After the NFC tag ID number and the private data of the NFC tag are read to be correct, the 2.4GHz radio frequency module compares the 2.4GHz radio frequency card ID number written into the 2.4GHz radio frequency module with the ID obtained by the 2.4GHz radio frequency module through the composite calculation of a private algorithm through the judging module, if the two are consistent, the card is legal, and if the two are inconsistent, the card is forged.
In this embodiment, the 2.4GHz rf module is composed of a single chip AT8B513CM and a 2.4GHz unidirectional transmitting chip a7325, where AT8B513CM is used to store an ID number, a7325 is responsible for radio frequency transmission, and the second antenna is used to transmit the ID number through a 2.4GHz frequency.
Wherein the first antenna is a 13.56MHz antenna.
Wherein the second antenna is a 2.4GHz antenna.
The judging module is a PN544 of NXP company.
The reading module is a PN544 of NXP company.
In this embodiment, the abbreviations and key terms that appear are defined as:
2.4GHz：
the method represents a frequency band, and the frequency band is characterized by long transmission distance and strong capability of penetrating through an object for communication.
NFC：
Is short for Near Field Communication (Near Field Communication), and the read-write distance is usually within 10 cm.
ID number:
a unique serial number for Identification (Identification).
RFID：
The rfid technology is a communication technology that identifies a specific object by radio signals and reads and writes related data without establishing mechanical or optical contact between an identification system and the specific object.
The present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only for illustrating the principle of the present invention, without departing from the spirit and scope of the present invention, the present invention can also have various changes and improvements, and these changes and improvements all fall into the scope of the claimed invention.
Claims (10)
1. The utility model provides an embedded NFC label's 2.4GHz radio frequency card which characterized in that includes:
a first antenna;
the NFC tag module is connected to the first antenna to send and receive information through the first antenna, and is used for generating a 2.4GHz radio frequency card ID;
a second antenna;
the 2.4GHz radio frequency module is connected with the second antenna so as to send information through the second antenna;
the bus socket is connected with the 2.4GHz radio frequency module so as to write the 2.4GHz radio frequency card ID into the 2.4GHz radio frequency module;
and the power supply module is connected to the 2.4GHz radio frequency module to supply power to the 2.4GHz radio frequency module.
2. The NFC tag embedded 2.4GHz radio frequency card according to claim 1, wherein the NFC tag module comprises an ID number information storage module and a private data information storage module, wherein the ID number information storage module is used for storing the ID number information of the NFC tag, and the private data information storage module is used for storing the private data information.
3. The NFC tag embedded 2.4GHz radio frequency card according to claim 1, wherein the 2.4GHz radio frequency module is provided with a reading module for reading the 2.4GHz radio frequency card ID.
4. The NFC tag embedded 2.4GHz radio frequency card according to claim 1, wherein the 2.4GHz radio frequency module is provided with a judging module for judging whether the ID of the 2.4GHz radio frequency card is legal or not.
5. The NFC tag-embedded 2.4GHz radio frequency card according to claim 2, wherein the NFC tag module is wirelessly read by an NFC reader to send the NFC tag ID number information and the private data information to the NFC reader.
6. The NFC tag embedded 2.4GHz radio frequency card according to claim 5, wherein the NFC tag ID number information and the private data information are converted into the 2.4GHz radio frequency card ID through an ID processing platform, and the ID processing platform is connected to the NFC reader to receive the ID number information and the private data information.
7. The NFC tag embedded 2.4GHz radio frequency card of claim 6, wherein the ID processing platform is connected to a 2.4GHz reader-writer to send the 2.4GHz radio frequency card ID to the 2.4GHz reader-writer.
8. The NFC tag embedded 2.4GHz radio frequency card of claim 7, wherein the 2.4GHz reader is connected to the bus socket through a data bus to write the 2.4GHz radio frequency card ID to the 2.4GHz radio frequency module.
9. The NFC tag embedded 2.4GHz radio frequency card according to claim 2, wherein the NFC tag module is provided with a private data writing module, and the private data writing module is used for writing private data into the NFC tag module.
10. The 2.4GHz radio frequency card embedded with the NFC tag according to claim 1, wherein the information received by the first antenna is handshake signaling verification information and feedback information sent by an NFC reader-writer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023303516.3U CN214012023U (en) | 2020-12-31 | 2020-12-31 | 2.4GHz radio frequency card of embedded NFC label |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023303516.3U CN214012023U (en) | 2020-12-31 | 2020-12-31 | 2.4GHz radio frequency card of embedded NFC label |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214012023U true CN214012023U (en) | 2021-08-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023303516.3U Active CN214012023U (en) | 2020-12-31 | 2020-12-31 | 2.4GHz radio frequency card of embedded NFC label |
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| Country | Link |
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| CN (1) | CN214012023U (en) |
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- 2020-12-31 CN CN202023303516.3U patent/CN214012023U/en active Active
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