CN111476335B - RFID electronic tag, RFID chip and commodity - Google Patents
RFID electronic tag, RFID chip and commodity Download PDFInfo
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- CN111476335B CN111476335B CN202010254519.8A CN202010254519A CN111476335B CN 111476335 B CN111476335 B CN 111476335B CN 202010254519 A CN202010254519 A CN 202010254519A CN 111476335 B CN111476335 B CN 111476335B
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- 238000004458 analytical method Methods 0.000 claims abstract description 33
- 230000001960 triggered effect Effects 0.000 claims description 8
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 230000005672 electromagnetic field Effects 0.000 claims description 4
- 239000003990 capacitor Substances 0.000 claims description 3
- 230000035939 shock Effects 0.000 claims description 3
- 230000000087 stabilizing effect Effects 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 2
- 238000004891 communication Methods 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000013459 approach Methods 0.000 description 1
- 230000006399 behavior Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
- G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
- G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
- G06K19/07749—Constructional details, e.g. mounting of circuits in the carrier the record carrier being capable of non-contact communication, e.g. constructional details of the antenna of a non-contact smart card
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- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
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- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Near-Field Transmission Systems (AREA)
Abstract
The embodiment of the invention discloses an RFID electronic tag, an RFID chip and a commodity. Comprising the following steps: the system comprises a near-field radio frequency antenna, a radio frequency identification module, a memory, a command analysis unit, a signal receiving and transmitting unit and a far-field radio frequency antenna; the command analysis unit stores a predefined command and a preset server address; the near-field radio frequency antenna is used for reading second data from the memory according to the predefined command when the near-field radio frequency antenna is detected to receive a radio frequency signal; the signal receiving and transmitting unit is used for modulating and demodulating the second data; the far-field radio frequency antenna is used for sending the data after modulation and demodulation to a server corresponding to the preset server address. The RFID electronic tag provided by the embodiment of the invention can automatically report the state to the remote server, thereby realizing remote communication, avoiding combination with an NB-Iot chip and reducing the manufacturing cost of the RFID electronic tag.
Description
Technical Field
The embodiment of the invention relates to the technical field of wireless radio frequency identification, in particular to an RFID electronic tag, an RFID chip and commodities.
Background
The radio frequency identification (RFID for short) technology automatically identifies the target object through radio frequency signals and acquires related data, the identification work does not need manual interference, the radio frequency identification technology can work in various environments, and meanwhile, a plurality of labels can be identified, so that the radio frequency identification technology is rapid and convenient to operate. With the vigorous development of the RFID technology, the RFID technology has wide application potential in the fields of warehouse logistics, product anti-counterfeiting, product circulation, product maintenance tracking and the like. In the application of product anti-counterfeiting, the RFID is called as a new generation of electronic guard by the characteristics of safety, high efficiency, rapidness, large storage capacity, free change of stored information and the like.
The RFID electronic tag in the current market cannot realize remote communication, and in order to realize remote communication, the RFID electronic tag needs to be combined with an NB-Iot chip for realizing. This approach does not allow for the ability to upload information under certain circumstances, and combining two chips increases the cost of the finished label.
Disclosure of Invention
The embodiment of the invention provides an RFID electronic tag, an RFID chip and a commodity, which can automatically report a state to a remote server, thereby realizing remote communication and reducing the manufacturing cost of the RFID electronic tag.
In a first aspect, an embodiment of the present invention provides an RFID electronic tag, including: the system comprises a near-field radio frequency antenna, a radio frequency identification module, a memory, a command analysis unit, a signal receiving and transmitting unit and a far-field radio frequency antenna;
the near-field radio frequency antenna is connected with the radio frequency identification module; the radio frequency identification module is connected with the memory; the memory is connected with the command analysis unit; the command analysis unit is connected with the signal receiving and transmitting unit; the signal receiving and transmitting unit is connected with the far-field radio frequency antenna;
the near-field radio frequency antenna is used for receiving radio frequency signals sent by the reader-writer; the radio frequency identification module is used for reading first data from the memory according to the radio frequency signal and sending the read first data to the reader-writer through the near-field radio frequency antenna;
the command analysis unit stores a predefined command and a preset server address, and is used for reading second data from the memory according to the predefined command when the near-field radio frequency antenna is detected to receive a radio frequency signal;
the signal receiving and transmitting unit is used for modulating and demodulating the second data; the far-field radio frequency antenna is used for sending the data after modulation and demodulation to a server corresponding to the preset server address.
Further, the method further comprises the following steps: a data bus; the data bus is used for connecting the memory and the command analysis unit.
Further, the method further comprises the following steps: a trigger unit;
the command parsing unit is configured to read second data from the memory according to the predefined command when the triggering unit is triggered.
Further, the signal transceiving unit includes: the device comprises an oscillating circuit, a filter circuit, an amplifying circuit and a modulation and demodulation circuit;
the oscillating circuit is used for generating oscillating waves; the filter circuit is used for carrying out filter processing on the oscillating wave; the amplifying circuit is used for amplifying the oscillating wave; the modulation and demodulation circuit is used for loading the second data into the amplified shock wave.
Further, the radio frequency identification module comprises a radio frequency analog front end and a digital logic unit;
the radio frequency analog front end is used for performing energy conversion of an electromagnetic field; the digital logic unit is used for reading first data into the memory according to the radio frequency signal.
Further, the radio frequency analog front end includes: the device comprises a rectifying circuit, a voltage stabilizing circuit, a clock circuit, a modulating capacitor, a power-on reset circuit and a random number generator.
In a second aspect, an embodiment of the present invention further provides an RFID chip, including: the device comprises a first pin, a radio frequency identification module, a memory, a command analysis unit, a signal receiving and transmitting unit and a second pin;
the first pin is used for connecting a near-field radio frequency antenna; the second pin is used for connecting a far-field radio frequency antenna;
the near-field radio frequency antenna is connected with the radio frequency identification module; the radio frequency identification module is connected with the memory; the memory is connected with the command analysis unit; the command analysis unit is connected with the signal receiving and transmitting unit; the signal receiving and transmitting unit is connected with the far-field radio frequency antenna;
the near-field radio frequency antenna is used for receiving radio frequency signals sent by the reader-writer; the radio frequency identification module is used for reading first data from the memory according to the radio frequency signal and sending the read first data to the reader-writer through the near-field radio frequency antenna;
the command analysis unit stores a predefined command and a preset server address; the near-field radio frequency antenna is used for reading second data from the memory according to the predefined command when the near-field radio frequency antenna is detected to receive a radio frequency signal;
the signal receiving and transmitting unit is used for modulating and demodulating the second data; the far-field radio frequency antenna is used for sending the data after modulation and demodulation to a server corresponding to the preset server address.
Further, the method further comprises the following steps: a third pin; the third pin is used for being connected with the trigger unit; the command parsing unit is configured to read second data from the memory according to the predefined command when the triggering unit is triggered.
Further, the signal transceiving unit includes: the device comprises an oscillating circuit, a filter circuit, an amplifying circuit and a modulation and demodulation circuit.
In a third aspect, an embodiment of the present invention further provides an article, including an electronic tag according to the embodiment of the present invention.
The RFID electronic tag provided by the embodiment of the invention comprises: the system comprises a near-field radio frequency antenna, a radio frequency identification module, a memory, a command analysis unit, a signal receiving and transmitting unit and a far-field radio frequency antenna; the near-field radio frequency antenna is connected with the radio frequency identification module; the radio frequency identification module is connected with the memory; the memory is connected with the command analysis unit; the command analysis unit is connected with the signal receiving and transmitting unit; the signal receiving and transmitting unit is connected with the far-field radio frequency antenna; the near-field radio frequency antenna is used for receiving radio frequency signals sent by the reader-writer; the radio frequency identification module is used for reading the first data from the memory according to the radio frequency signal and transmitting the read first data to the reader-writer through the near-field radio frequency antenna; the command analysis unit stores a predefined command and a preset server address; the device is used for reading second data from the memory according to a predefined command when the near-field radio frequency antenna is detected to receive radio frequency signals; the signal receiving and transmitting unit is used for modulating and demodulating the second data; the far-field radio frequency antenna is used for sending the data after modulation and demodulation to a server corresponding to a preset server address. The RFID electronic tag provided by the embodiment of the invention can automatically report the state to the remote server, thereby realizing remote communication, avoiding combination with an NB-Iot chip and reducing the manufacturing cost of the RFID electronic tag.
Drawings
Fig. 1 is a schematic structural diagram of an RFID electronic tag according to a first embodiment of the present invention;
FIG. 2 is a schematic structural diagram of still another RFID electronic tag according to the first embodiment of the present invention;
FIG. 3 is a schematic structural diagram of yet another RFID electronic tag according to the first embodiment of the present invention;
fig. 4 is a schematic structural diagram of an RFID chip according to a second embodiment of the present invention.
Detailed Description
The invention is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present invention are shown in the drawings.
Example 1
Fig. 1 is a schematic structural diagram of an RFID electronic tag according to a first embodiment of the present invention, as shown in fig. 1, the RFID electronic tag includes: a near field radio frequency antenna 110, a radio frequency identification module 120, a memory 130, a command parsing unit 140, a signal transceiving unit 150 and a far field radio frequency antenna 160.
The near field radio frequency antenna 110 is connected with the radio frequency identification module 120; the radio frequency identification module 120 is connected with the memory 130; the memory 130 is connected to the command parsing unit 140; the command parsing unit 140 is connected to the signal transceiving unit 150; the signal transceiving unit 150 is connected to a far-field radio frequency antenna 160. The near field radio frequency antenna 110 is used for receiving radio frequency signals sent by the reader-writer; the radio frequency identification module 120 is configured to read the first data from the memory 130 according to the radio frequency signal, and send the read first data to the reader-writer through the near field radio frequency antenna 110. The command parsing unit 140 stores a predefined command and a preset server address, and the command parsing unit 140 is configured to read the second data from the memory 130 according to the predefined command when detecting that the near-field rf antenna 110 receives the rf signal. The signal transceiver unit 150 is configured to modulate and demodulate the second data; the far-field rf antenna 160 is configured to send the modulated data to a server corresponding to a preset server address.
Specifically, when the local reader reads the data in the memory 130 through the near-field rf antenna 110, the command parsing unit 140 is triggered to execute the predefined command, and the signal transceiver unit 150 modulates and demodulates the second data and then sends the modulated second data to the server corresponding to the preset server address through the far-field rf antenna 160 by executing the predefined command to read the second data in the memory 130.
Optionally, the RFID electronic tag further includes: a data bus; the data bus is used for connecting the memory and the command parsing unit.
Optionally, as shown in fig. 2, the RFID electronic tag further includes: a trigger unit 170; when the triggering unit 170 is triggered, the command parsing unit 140 is configured to read the second data to the memory 130 according to a predefined command. The triggering unit 170 may be triggered by an open trigger or a closed trigger.
Optionally, as shown in fig. 3, the signal transceiving unit includes: the device comprises an oscillating circuit, a filter circuit, an amplifying circuit and a modulation and demodulation circuit. The oscillating circuit is used for generating oscillating waves; the filter circuit is used for carrying out filter treatment on the oscillating wave; the amplifying circuit is used for amplifying the oscillating wave; the modulation and demodulation circuit is used for loading the second data into the amplified shock wave. The radio frequency identification module comprises a radio frequency analog front end and a digital logic unit, wherein the radio frequency analog front end is used for performing energy conversion of an electromagnetic field; the digital logic unit is used for reading the first data into the memory according to the radio frequency signal. The radio frequency analog front end includes: the device comprises a rectifying circuit, a voltage stabilizing circuit, a clock circuit, a modulating capacitor, a power-on reset circuit and a random number generator.
The RFID electronic tag provided by the embodiment of the invention comprises: the system comprises a near-field radio frequency antenna, a radio frequency identification module, a memory, a command analysis unit, a signal receiving and transmitting unit and a far-field radio frequency antenna; the near-field radio frequency antenna is connected with the radio frequency identification module; the radio frequency identification module is connected with the memory; the memory is connected with the command analysis unit; the command analysis unit is connected with the signal receiving and transmitting unit; the signal receiving and transmitting unit is connected with the far-field radio frequency antenna; the near-field radio frequency antenna is used for receiving radio frequency signals sent by the reader-writer; the radio frequency identification module is used for reading the first data from the memory according to the radio frequency signal and transmitting the read first data to the reader-writer through the near-field radio frequency antenna; the command analysis unit stores a predefined command and a preset server address; the device is used for reading second data from the memory according to a predefined command when the near-field radio frequency antenna is detected to receive radio frequency signals; the signal receiving and transmitting unit is used for modulating and demodulating the second data; the far-field radio frequency antenna is used for sending the data after modulation and demodulation to a server corresponding to a preset server address. The RFID electronic tag provided by the embodiment of the invention can automatically report the state to the remote server, thereby realizing remote communication, avoiding combination with an NB-Iot chip and reducing the manufacturing cost of the RFID electronic tag.
Example two
Fig. 4 is a schematic structural diagram of an RFID chip according to a second embodiment of the present invention. As shown in fig. 4, the chip includes: the device comprises a first pin, a radio frequency identification module, a memory, a command analysis unit, a signal receiving and transmitting unit and a second pin.
The first pin is used for connecting a near-field radio frequency antenna; the second pin is used for connecting a far-field radio frequency antenna; the near-field radio frequency antenna is connected with the radio frequency identification module; the radio frequency identification module is connected with the memory; the memory is connected with the command analysis unit; the command analysis unit is connected with the signal receiving and transmitting unit; the signal receiving and transmitting unit is connected with the far-field radio frequency antenna. The near-field radio frequency antenna is used for receiving radio frequency signals sent by the reader-writer; the radio frequency identification module is used for reading the first data from the memory according to the radio frequency signal and transmitting the read first data to the reader-writer through the near-field radio frequency antenna. The command analysis unit stores a predefined command and a preset server address; for reading the second data to the memory according to a predefined command when it is detected that the near field radio frequency antenna receives the radio frequency signal. The signal receiving and transmitting unit is used for modulating and demodulating the second data; the far-field radio frequency antenna is used for sending the data after modulation and demodulation to a server corresponding to a preset server address.
Optionally, the method further comprises: a third pin; the third pin is used for connecting the trigger unit; when the trigger unit is triggered, the command parsing unit is used for reading the second data to the memory according to a predefined command. Optionally, the signal transceiver unit includes: the device comprises an oscillating circuit, a filter circuit, an amplifying circuit and a modulation and demodulation circuit.
The RFID chip provided in this embodiment may be used as a common RFID chip, or may be used as a tag chip capable of automatically reporting the current behavior, or may be combined to be read by a local RFID reader-writer, and may be used as a communication chip capable of actively reporting information, where a memory block capable of being rewritten at one time is used to store the current state of the tag.
The embodiment also provides an article, which comprises the electronic tag.
Note that the above is only a preferred embodiment of the present invention and the technical principle applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, while the invention has been described in connection with the above embodiments, the invention is not limited to the embodiments, but may be embodied in many other equivalent forms without departing from the spirit or scope of the invention, which is set forth in the following claims.
Claims (7)
1. An RFID electronic tag, comprising: the system comprises a near-field radio frequency antenna, a radio frequency identification module, a memory, a command analysis unit, a signal receiving and transmitting unit and a far-field radio frequency antenna;
the near-field radio frequency antenna is connected with the radio frequency identification module; the radio frequency identification module is connected with the memory; the memory is connected with the command analysis unit; the command analysis unit is connected with the signal receiving and transmitting unit; the signal receiving and transmitting unit is connected with the far-field radio frequency antenna;
the near-field radio frequency antenna is used for receiving radio frequency signals sent by the reader-writer; the radio frequency identification module is used for reading first data from the memory according to the radio frequency signal and sending the read first data to the reader-writer through the near-field radio frequency antenna;
the command analysis unit stores a predefined command and a preset server address; the near-field radio frequency antenna is used for reading second data from the memory according to the predefined command when the near-field radio frequency antenna is detected to receive a radio frequency signal;
the signal receiving and transmitting unit is used for modulating and demodulating the second data; the far-field radio frequency antenna is used for sending the data after modulation and demodulation to a server corresponding to the preset server address;
further comprises: a trigger unit;
the command parsing unit is used for reading second data from the memory according to the predefined command when the triggering unit is triggered;
the radio frequency identification module comprises a radio frequency analog front end and a digital logic unit;
the radio frequency analog front end is used for performing energy conversion of an electromagnetic field; the digital logic unit is used for reading first data into the memory according to the radio frequency signal.
2. The electronic tag of claim 1, further comprising: a data bus; the data bus is used for connecting the memory and the command analysis unit.
3. The electronic tag of claim 1, wherein the signal transceiving unit comprises: the device comprises an oscillating circuit, a filter circuit, an amplifying circuit and a modulation and demodulation circuit;
the oscillating circuit is used for generating oscillating waves; the filter circuit is used for carrying out filter processing on the oscillating wave; the amplifying circuit is used for amplifying the oscillating wave; the modulation and demodulation circuit is used for loading the second data into the amplified shock wave.
4. The electronic tag of claim 1, wherein the radio frequency analog front end comprises: the device comprises a rectifying circuit, a voltage stabilizing circuit, a clock circuit, a modulating capacitor, a power-on reset circuit and a random number generator.
5. An RFID chip, comprising: the device comprises a first pin, a radio frequency identification module, a memory, a command analysis unit, a signal receiving and transmitting unit and a second pin;
the first pin is used for connecting a near-field radio frequency antenna; the second pin is used for connecting a far-field radio frequency antenna;
the near-field radio frequency antenna is connected with the radio frequency identification module; the radio frequency identification module is connected with the memory; the memory is connected with the command analysis unit and the command analysis unit; the command analysis unit is connected with the signal receiving and transmitting unit; the signal receiving and transmitting unit is connected with the far-field radio frequency antenna;
the near-field radio frequency antenna is used for receiving radio frequency signals sent by the reader-writer; the radio frequency identification module is used for reading first data from the memory according to the radio frequency signal and sending the read first data to the reader-writer through the near-field radio frequency antenna;
the command analysis unit stores a predefined command and a preset server address; the near-field radio frequency antenna is used for reading second data from the memory according to the predefined command when the near-field radio frequency antenna is detected to receive a radio frequency signal;
the signal receiving and transmitting unit is used for modulating and demodulating the second data; the far-field radio frequency antenna is used for sending the data after modulation and demodulation to a server corresponding to the preset server address;
further comprises: a third pin; the third pin is used for being connected with the trigger unit; the command parsing unit is used for reading second data from the memory according to the predefined command when the triggering unit is triggered;
the radio frequency identification module comprises a radio frequency analog front end and a digital logic unit;
the radio frequency analog front end is used for performing energy conversion of an electromagnetic field; the digital logic unit is used for reading first data into the memory according to the radio frequency signal.
6. The chip of claim 5, wherein the signal transceiving unit comprises: the device comprises an oscillating circuit, a filter circuit, an amplifying circuit and a modulation and demodulation circuit.
7. An article comprising the electronic tag of any one of claims 1-4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010254519.8A CN111476335B (en) | 2020-04-02 | 2020-04-02 | RFID electronic tag, RFID chip and commodity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010254519.8A CN111476335B (en) | 2020-04-02 | 2020-04-02 | RFID electronic tag, RFID chip and commodity |
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| Publication Number | Publication Date |
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| CN111476335A CN111476335A (en) | 2020-07-31 |
| CN111476335B true CN111476335B (en) | 2024-02-09 |
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| CN117200832B (en) * | 2023-11-07 | 2024-02-09 | 华南师范大学 | Analog front-end circuit and near field communication chip |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2006346817A1 (en) * | 2006-08-01 | 2008-02-07 | Agency For Science, Technology And Research | Antenna for near field and far field radio frequency identification |
| CN100573564C (en) * | 2007-05-16 | 2009-12-23 | 上海华龙信息技术开发中心 | Multiple frequency band multiple protocol radio frequency identifying device system |
| CN110661554B (en) * | 2019-10-31 | 2024-04-26 | 上海天臣射频技术有限公司 | Radio frequency circuit, radio frequency tag and communication system |
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Address after: 201614 Room 301, building 4, No. 509, Guanghua Road, Xiaokunshan Town, Songjiang District, Shanghai Applicant after: SHANGHAI TECHSUN RFID TECHNOLGOY Co.,Ltd. Applicant after: Shanghai Tianchen micro nano technology Co.,Ltd. Address before: 201614 Room 301, building 4, No. 509, Guanghua Road, Xiaokunshan Town, Songjiang District, Shanghai Applicant before: SHANGHAI TECHSUN RFID TECHNOLGOY Co.,Ltd. Applicant before: SHANGHAI TECHSUN ANTI-COUNTERFEITING TECHNOLOGY HOLDING Co.,Ltd. |
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