CN107437107A - A kind of RFID label tag - Google Patents
A kind of RFID label tag Download PDFInfo
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- CN107437107A CN107437107A CN201610357280.0A CN201610357280A CN107437107A CN 107437107 A CN107437107 A CN 107437107A CN 201610357280 A CN201610357280 A CN 201610357280A CN 107437107 A CN107437107 A CN 107437107A
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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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- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
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Abstract
A kind of RFID label tag, comprising antenna, the energy distribute module of antenna is electrically connected with, the RFID communication and Logic control module and light emitting module of energy distribute module is electrically connected, light emitting module is electrically connected with RFID communication and Logic control module.The present invention is allocated using coupled modes to entering RFID communication and the energy of Logic control module and light emitting module, energy distribute module will not consume extra energy, and ensure that RFID communication and Logic control module complete communication and logic control function in the case where obtaining least energy, dump energy is distributed into light emitting module, the collection that energy needed for light emitting module is lighted under single-antenna case and coexisting both label chip communication function are realized, and can guarantee that communication distance farther out and light distance.
Description
Technical field
The present invention relates to a kind of RFID label tag, more particularly to a kind of passive ultra-high frequency RFID Luminous label.
Background technology
With the rise of Internet of Things, need the orientation problem for solving article in some practical applications, for example, in the cable-management of job site and positioning, the management of laboratory Instrumental equipment and positioning, warehouse in the management of article and positioning, library books management and positioning etc..
REID（Radio
Frequency Identification, abridge RFID）It is a kind of emerging automatic identification technology to grow up the 1980s, is one and passes through Space Coupling using radiofrequency signal（Alternating magnetic field or electromagnetic field）Realize contactless information transmission and pass through the technology that transmitted information reaches identifying purpose.
Ultra-high frequency RFID label is the technology that a kind of utilization space electromagnetic wave is communicated with read write line, it is divided into three kinds of active label, semi-active label and passive label forms, passive ultra-high frequency RFID label is not required to power supply in itself, the electromagnetic wave sent using read write line is powered, and the mode coupled using backscattering is communicated with read write line.The farthest communication distance of usual label is decided by the energy size of the electromagnetic wave obtained in farthest, and the read write line that label receives can be calculated in the electromagnetic wave energy of spatial emission with following formula：
Pt=Pr（λ/（4πr））2GtGr
Wherein, PtIt is the power that label receives, PrIt is the power of read write line transmitting, λ is the wavelength of electric wave, and r is distance of the read write line to label, GtIt is the gain of label antenna, GrIt is the gain of reading and writing device antenna.
Passive Luminous label is utilization space electromagnetic wave energy, drives the luminescent device on label, such as LED, it is sent visible ray, so that human eye is identified.In actual applications, it can be determined to need the label lighted by read write line, and send and light instruction, corresponding label sends visible ray, so as to reach the purpose of articles seeking and positioning.
Application of the Luminous label in fiber management is refer in patent CN101680997B, introducing system solution is laid particular emphasis in the patent, does not refer to the implementation method of the specific solution, especially passive ultra-high frequency RFID visible labels of Luminous label.
A kind of double antenna implementation of Luminous label is disclosed in Korean Patent KR10-2011-0080042, is communicated by an antenna, another antenna provides the energy lighted needed for LED.This double antenna solution is a kind of relatively good solution under common application scenarios, but needs the application field of label sizes miniaturization at some, and two antennas need larger area, can not accomplish the miniaturization of label.Antenna is refer in the other patent and luminous loop forms impedance matching, but does not mention the concrete scheme for reaching its effect.
It refer to light the energy needed for LED using super capacitor storage in Chinese patent CN102982362A.This scheme can make label be easier to be lit, but the size of general super capacitor is bigger, can be comparable with battery, can not also accomplish the miniaturization of label.And there is charging slowly in super capacitor, leak electricity the shortcomings of larger, cause many restrictions in practical application.
The content of the invention
The present invention provides a kind of RFID label tag, it is allocated using coupled modes to entering RFID communication and the energy of Logic control module and light emitting module, energy distribute module will not consume extra energy, and ensure that RFID communication and Logic control module complete communication and logic control function in the case where obtaining least energy, dump energy is distributed into light emitting module, the collection that energy needed for light emitting module is lighted under single-antenna case and coexisting both label chip communication function are realized, and can guarantee that communication distance farther out and light distance.
In order to achieve the above object, the present invention provides a kind of RFID label tag, comprising：Antenna, the energy distribute module of antenna is electrically connected with, the RFID communication and Logic control module and light emitting module of energy distribute module is electrically connected, light emitting module is electrically connected with RFID communication and Logic control module；
Described antenna is used to receive the electromagnetic wave signal that read write line is sent, the energy that described energy distribute module is used to receive on antenna carries out reasonable distribution, on the basis of least energy needed for RFID communication and Logic control module acquisition is ensured, dump energy is distributed into light emitting module, make the luminous distance of label farther, described RFID communication and Logic control module are used to receive the command signal that read write line is sent, after carrying out instruction parsing, control the size of current flowed through in the current switching and light emitting module of light emitting module, described light emitting module is used to provide to visually indicate.
Described energy distribute module includes：First energy distribute module and the second energy distribute module, the first energy distribute module is electrically connected with antenna and RFID communication and Logic control module, realize and the energy of RFID communication and Logic control module is distributed, the second energy distribute module is electrically connected with antenna and light emitting module, realizes the energy distribution to light emitting module.
Described the first energy distribute module and the second energy distribute module all includes：Division module, clamped module, rectification module and Voltage stabilizing module；
Described division module is electrically connected with antenna, and described rectification module is electrically connected with division module, and described Voltage stabilizing module is electrically connected with rectification module, and described clamped module is electrically connected with division module, or is electrically connected with rectification module, or is electrically connected with Voltage stabilizing module；
Described division module realizes the distribution of energy, ensure that no current flows through in clamped module at farthest operating distance, described clamped module, which is realized, closely descends releasing for excess energy, by voltage clamping in tolerance interval, AC signal is converted to direct current signal by described rectification module, and described Voltage stabilizing module is by the signal stabilization that rectification obtains in certain voltage range.
Division module is comprised at least in the first described energy distribute module, rectification module is comprised at least in the second described energy distribute module.
Described division module uses coupled capacitor or divider resistance.
Described RFID communication and Logic control module includes：It is electrically connected with the radiofrequency analog block of energy distribute module, the digital logic module of electric connection radiofrequency analog block and light emitting module and the memory for being electrically connected with digital logic module；
Described radiofrequency analog block includes：It is electrically connected with the demodulation module and modulation module and clock generation module of energy distribute module；
Described demodulation module is used to demodulate the signal that read write line is sent from hyperfrequency carrier wave, the data that described modulation module is used to launch are modulated to hyperfrequency carrier wave, described clock generation module produces the clock signal needed for label chip work, described digital logic module realizes the logic function of label chip, the size of current flowed through in the encoding and decoding of instruction, the current switching and light emitting module of control light emitting module is completed, described memory stores necessary information after being used for power down.
Also comprising any one in clamped module, rectification module and Voltage stabilizing module or any several in described RFID communication and Logic control module；Clamped module is electrically connected with division module, and rectification module is electrically connected with clamped module, and Voltage stabilizing module is electrically connected with rectification module.
Switch module is included in described digital logic module, for controlling the current switching of light emitting module.
Described switch module is arranged to standalone module, and it is electrically connected with digital logic module and light emitting module, the switch module realize the current switching of light emitting module under the control of digital logic module.
The RFID label tag also includes：The impedance matching module of antenna and energy distribute module is electrically connected with, described impedance matching module enables the antenna to preferably receive energy.
The present invention is by the way of coupling, it is allocated to entering RFID communication and the energy of Logic control module and light emitting module, energy distribute module will not consume extra energy, and ensure that RFID communication and Logic control module complete communication and logic control function in the case where obtaining least energy, dump energy is distributed into light emitting module, the collection that energy needed for light emitting module is lighted under single-antenna case and coexisting both label chip communication function are realized, and can guarantee that communication distance farther out and light distance.
Brief description of the drawings
Fig. 1 and Fig. 2 is a kind of electrical block diagram of RFID label tag provided by the invention.
Fig. 3 is a kind of electrical block diagram of RFID label tag provided by the invention.
Fig. 4~Fig. 6 is the electrical block diagram of the embodiment of energy distribute module.
Fig. 7 is the electrical block diagram of RFID communication and Logic control module.
Fig. 8 is the embodiment schematic diagram of switch module in digital logic module.
Embodiment
Below according to Fig. 1~Fig. 8, presently preferred embodiments of the present invention is illustrated.
As shown in figure 1, the present invention provides a kind of RFID label tag, comprising：Antenna 1, the energy distribute module 2 of antenna 1 is electrically connected with, the RFID communication and Logic control module 3 and light emitting module 4 of energy distribute module 2 is electrically connected, light emitting module 4 is electrically connected with RFID communication and Logic control module 3.In the present embodiment, light emitting module 4 uses LED module.
Antenna 1 is used to receive the electromagnetic wave signal that read write line is sent, the energy that energy distribute module 2 is used to receive on antenna 1 carries out reasonable distribution, on the basis of least energy needed for being obtained in guarantee RFID communication and Logic control module 3, dump energy is distributed into light emitting module 4, make the luminous distance of label farther, RFID communication and Logic control module 3 are used to receive the command signal that read write line is sent, after carrying out instruction parsing, the size of current flowed through in the current switching and light emitting module 4 of light emitting module 4 is controlled, light emitting module 4 is used to provide to visually indicate.
As shown in Fig. 2 described energy distribute module 2 includes：First energy distribute module 201 and the second energy distribute module 202, the first energy distribute module 201 is electrically connected with antenna 1 and RFID communication and Logic control module 3, realize and the energy of RFID communication and Logic control module 3 is distributed, the second energy distribute module 202 is electrically connected with antenna 1 and light emitting module 4, realizes the energy distribution to light emitting module 4.
As shown in figure 3, in another embodiment of the present invention, in order that antenna 1 can preferably receive energy, can also increase impedance matching module 5, the input of the impedance matching module 5 is electrically connected with antenna 1, and output end is electrically connected with energy distribute module 2.As shown in Fig. 4~Fig. 6, the first described energy distribute module 201 and the second energy distribute module 202 can include：Division module 20, clamped module 21, rectification module 22 and Voltage stabilizing module 23.
Described division module 20 realizes the distribution of energy, in the present embodiment, the division module 20 uses coupled capacitor or divider resistance, described clamped module 21, which is realized, closely descends releasing for excess energy, by voltage clamping in tolerance interval, AC signal is converted to direct current signal by described rectification module 22, and described Voltage stabilizing module 23 is by the signal stabilization that rectification obtains in certain voltage range.By the adjustment of division module 20, ensure at farthest operating distance, no current flows through in clamped module 21, ensures that all energy received are all used for the work of RFID communication and Logic control module 3 and light emitting module 4.
As shown in figure 4, in one embodiment of the invention, division module 20 is electrically connected with antenna 1, division module 20 is electrically connected in clamped module 21 and rectification module 22, and Voltage stabilizing module 23 is electrically connected with rectification module 22.
As shown in figure 5, in another embodiment of the present invention, division module 20 is electrically connected with antenna 1, rectification module 22 is electrically connected with division module 20, and rectification module 22 is electrically connected in clamped module 21 and Voltage stabilizing module 23.
As shown in fig. 6, in another embodiment of the present invention, division module 20 is electrically connected with antenna 1, rectification module 22 is electrically connected with division module 20, and Voltage stabilizing module 23 is electrically connected with rectification module 22, and clamped module 21 is electrically connected with Voltage stabilizing module 23.
In one embodiment of the invention, division module 20, remaining module are comprised at least in the first described energy distribute module 201（Clamped module 21 or rectification module 22 or Voltage stabilizing module 23）RFID communication and Logic control module 3 can be utilized to realize；In another embodiment of the present invention, rectification module 22 is comprised at least in the second described energy distribute module 202, described clamped module 21, rectification module 22 and Voltage stabilizing module 23 can omit.
In another embodiment of the present invention, division module is included respectively in described the first energy distribute module 201 and the second energy distribute module 202, and the first energy distribute module 201 and the second energy distribute module 202 share same clamped module, rectification module and Voltage stabilizing module.
As shown in fig. 7, described RFID communication and Logic control module 3 includes：It is electrically connected with the radiofrequency analog block 30 of energy distribute module 2, the digital logic module 34 of electric connection radiofrequency analog block 30 and light emitting module 4 and the memory 36 for being electrically connected with digital logic module 34.Described radiofrequency analog block 30 includes：It is electrically connected with the demodulation module 31 and modulation module 32 and clock generation module 33 of energy distribute module 2.
Described demodulation module 31 is used to demodulate the signal that read write line is sent from hyperfrequency carrier wave, the data that described modulation module 32 is used to launch are modulated to hyperfrequency carrier wave, described clock generation module 33 produces the clock signal needed for label chip work, described digital logic module 34 realizes the logic function of label chip, the size of current flowed through in the encoding and decoding of instruction, the current switching and light emitting module 4 of control light emitting module 4 is completed, described memory 36 stores necessary information after being used for power down.
Switch module is included in described digital logic module 34, for controlling the current switching of light emitting module 4.
As shown in figure 8, in another embodiment of the present invention, switch module 301 is arranged to standalone module, it is electrically connected with digital logic module 34 and light emitting module 4, the switch module 301 realize the current switching of light emitting module 4 under the control of digital logic module 34.
The present invention is by the way of coupling, it is allocated to entering RFID communication and the energy of Logic control module and light emitting module, energy distribute module will not consume extra energy, and ensure that RFID communication and Logic control module complete communication and logic control function in the case where obtaining least energy, dump energy is distributed into light emitting module, the collection that energy needed for light emitting module is lighted under single-antenna case and coexisting both label chip communication function are realized, and communication distance farther out can be ensured simultaneously and distance can be lighted.
Although present disclosure is discussed in detail by above preferred embodiment, but it should be appreciated that the description above is not considered as limitation of the present invention.After those skilled in the art have read the above, all it will be apparent for a variety of modifications and substitutions of the present invention.Therefore, protection scope of the present invention should be limited to the appended claims.
Claims (10)
1. a kind of RFID label tag, it is characterised in that include：Antenna（1）, it is electrically connected with antenna（1）Energy distribute module（2）, energy distribute module is electrically connected（2）RFID communication and Logic control module（3）And light emitting module（4）, light emitting module（4）It is electrically connected with RFID communication and Logic control module（3）；
Described antenna（1）The electromagnetic wave signal sent for receiving read write line, described energy distribute module（2）For by antenna（1）The energy received carries out reasonable distribution, is ensureing RFID communication and Logic control module（3）On the basis of least energy needed for acquisition, dump energy is distributed into light emitting module（4）, make the luminous distance of label farther, described RFID communication and Logic control module（3）The command signal sent for receiving read write line, after carrying out instruction parsing, control light emitting module（4）Current switching and light emitting module（4）In the size of current that flows through, described light emitting module（4）Visually indicated for providing.
2. RFID label tag as claimed in claim 1, it is characterised in that described energy distribute module（2）Comprising：First energy distribute module（201）With the second energy distribute module（202）, the first energy distribute module（201）It is electrically connected with antenna（1）With RFID communication and Logic control module（3）, realize to RFID communication and Logic control module（3）Energy distribution, the second energy distribute module（202）It is electrically connected with antenna（1）And light emitting module（4）, realize to light emitting module（4）Energy distribution.
3. RFID label tag as claimed in claim 2, it is characterised in that the first described energy distribute module（201）With the second energy distribute module（202）All include：Division module（20）, clamped module（21）, rectification module（22）And Voltage stabilizing module（23）；
Described division module（20）It is electrically connected with antenna（1）, described rectification module（22）It is electrically connected with division module（20）, described Voltage stabilizing module（23）It is electrically connected with rectification module（22）, described clamped module（21）It is electrically connected with division module（20）, or it is electrically connected with rectification module（22）, or it is electrically connected with Voltage stabilizing module（23）；
Described division module（20）The distribution of energy is realized, ensures the clamped module at farthest operating distance（21）Middle no current flows through, described clamped module（21）Releasing for excess energy is closely descended in realization, by voltage clamping in tolerance interval, described rectification module（22）AC signal is converted into direct current signal, described Voltage stabilizing module（23）By the signal stabilization that rectification obtains in certain voltage range.
4. RFID label tag as claimed in claim 3, it is characterised in that the first described energy distribute module（201）In comprise at least division module（20）, described the second energy distribute module（202）In comprise at least rectification module（22）.
5. RFID label tag as claimed in claim 4, it is characterised in that described division module（20）Using coupled capacitor or divider resistance.
6. RFID label tag as claimed in claim 5, it is characterised in that described RFID communication and Logic control module（3）Comprising：It is electrically connected with energy distribute module（2）Radiofrequency analog block（30）, be electrically connected with radiofrequency analog block（30）And light emitting module（4）Digital logic module（34）And it is electrically connected with digital logic module（34）Memory（36）；
Described radiofrequency analog block（30）Comprising：It is electrically connected with energy distribute module（2）Demodulation module（31）And modulation module（32）And clock generation module（33）；
Described demodulation module（31）The signal sent for demodulating read write line from hyperfrequency carrier wave, described modulation module（32）Data for that will launch are modulated to hyperfrequency carrier wave, described clock generation module（33）Produce the clock signal needed for label chip work, described digital logic module（34）The logic function of label chip is realized, completes encoding and decoding, the control light emitting module of instruction（4）Current switching and light emitting module（4）In the size of current that flows through, described memory（36）For storing necessary information after power down.
7. RFID label tag as claimed in claim 6, it is characterised in that described RFID communication and Logic control module（3）In also include clamped module（21）, rectification module（22）And Voltage stabilizing module（23）In any one or it is any several；Clamped module（21）It is electrically connected with division module（20）, rectification module（22）It is electrically connected with clamped module（21）, Voltage stabilizing module（23）It is electrically connected with rectification module（22）.
8. RFID label tag as claimed in claim 7, it is characterised in that described digital logic module（34）In include switch module, for controlling light emitting module（4）Current switching.
9. RFID label tag as claimed in claim 7, it is characterised in that described switch module（301）Standalone module is arranged to, it is electrically connected with digital logic module（34）And light emitting module（4）, the switch module（301）In digital logic module（34）Control under realize light emitting module（4）Current switching.
10. RFID label tag as claimed in claim 8 or 9, it is characterised in that the RFID label tag also includes：It is electrically connected with antenna（1）With energy distribute module（2）Impedance matching module（5）, described impedance matching module（5）Make antenna（1）Energy can preferably be received.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610357280.0A CN107437107B (en) | 2016-05-26 | 2016-05-26 | RFID label |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610357280.0A CN107437107B (en) | 2016-05-26 | 2016-05-26 | RFID label |
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| Publication Number | Publication Date |
|---|---|
| CN107437107A true CN107437107A (en) | 2017-12-05 |
| CN107437107B CN107437107B (en) | 2020-09-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610357280.0A Active CN107437107B (en) | 2016-05-26 | 2016-05-26 | RFID label |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111685378A (en) * | 2020-06-15 | 2020-09-22 | 上海复旦微电子集团股份有限公司 | Electronic cigarette cartridge and electronic cigarette |
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| CN102456151A (en) * | 2010-11-01 | 2012-05-16 | 上海华虹Nec电子有限公司 | Clamping circuit for electronic tag of RFID (radio frequency identification) system |
| CN203118021U (en) * | 2012-06-14 | 2013-08-07 | 深圳市方卡科技股份有限公司 | Self-luminous RFID intelligent card |
| CN103714378A (en) * | 2014-01-08 | 2014-04-09 | 卓捷创芯科技（深圳）有限公司 | System and method for intelligent energy management of passive radio frequency tag |
| CN104617795A (en) * | 2015-03-04 | 2015-05-13 | 山东华翼微电子技术股份有限公司 | Rectifier circuit for automatically adjusting power conversion efficiency for passive tag |
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2016
- 2016-05-26 CN CN201610357280.0A patent/CN107437107B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102456151A (en) * | 2010-11-01 | 2012-05-16 | 上海华虹Nec电子有限公司 | Clamping circuit for electronic tag of RFID (radio frequency identification) system |
| CN203118021U (en) * | 2012-06-14 | 2013-08-07 | 深圳市方卡科技股份有限公司 | Self-luminous RFID intelligent card |
| CN103714378A (en) * | 2014-01-08 | 2014-04-09 | 卓捷创芯科技（深圳）有限公司 | System and method for intelligent energy management of passive radio frequency tag |
| CN104617795A (en) * | 2015-03-04 | 2015-05-13 | 山东华翼微电子技术股份有限公司 | Rectifier circuit for automatically adjusting power conversion efficiency for passive tag |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111685378A (en) * | 2020-06-15 | 2020-09-22 | 上海复旦微电子集团股份有限公司 | Electronic cigarette cartridge and electronic cigarette |
| US11622584B2 (en) | 2020-06-15 | 2023-04-11 | Shanghai Fudan Microelectronics Group Company Limited | Electronic-cigarette cartridge and electronic cigarette |
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| CN107437107B (en) | 2020-09-22 |
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