CN106897765A - A kind of safe electronic tag - Google Patents
A kind of safe electronic tag Download PDFInfo
- Publication number
- CN106897765A CN106897765A CN201710125079.4A CN201710125079A CN106897765A CN 106897765 A CN106897765 A CN 106897765A CN 201710125079 A CN201710125079 A CN 201710125079A CN 106897765 A CN106897765 A CN 106897765A
- Authority
- CN
- China
- Prior art keywords
- electronic tag
- antenna
- microstrip antenna
- represent
- energy
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- G06K19/0723—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 the record carrier comprising an arrangement for non-contact communication, e.g. wireless communication circuits on transponder cards, non-contact smart cards or RFIDs
-
- 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
- G06K19/0716—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 at least one of the integrated circuit chips comprising a sensor or an interface to a sensor
- G06K19/0717—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 at least one of the integrated circuit chips comprising a sensor or an interface to a sensor the sensor being capable of sensing environmental conditions such as temperature history or pressure
-
- 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
- G06K19/073—Special arrangements for circuits, e.g. for protecting identification code in memory
-
- 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
- G06K19/07773—Antenna details
Abstract
A kind of safe electronic tag, including circuit part and housing, the circuit part are packaged in housing, including antenna, detecting circuit, modulation circuit and memory；The antenna uses rectangular microstrip antenna, for receiving and launching electromagnetic energy, the detecting circuit is used to for the RF energy received from reader to be converted into DC energy, for electronic tag provides energy, for electronic tag provides energy, the relevant information that the modulation circuit includes electronic tag is modulated in the radiofrequency signal received to electronic tag and is reflected back reader, and the memory is used to preserve the unique serial number and identified relevant information of electronic tag.Beneficial effects of the present invention are：Electronic tag small volume, safe, long service life.
Description
Technical field
The invention is related to electronic label technology field, and in particular to a kind of safe electronic tag.
Background technology
The composition important document of radio-frequency recognition system includes background server, reader and the part of electronic tag three.By reading
Stick on the electronic tag unique identification information on object to realize recognizing the uniqueness of object, and obtain related letter contained by label
Breath.Existing electronic tag volume is big, security is poor, short life, it is impossible to meet use demand.
The content of the invention
Regarding to the issue above, the present invention is intended to provide a kind of safe electronic tag.
The purpose of the invention is achieved through the following technical solutions：
A kind of safe electronic tag, including circuit part and housing, the circuit part are packaged in housing, bag
Include antenna, detecting circuit, modulation circuit and memory；The antenna uses rectangular microstrip antenna, for receiving and launching electromagnetism
Energy, the detecting circuit is used to for the RF energy received from reader to be converted into DC energy, for electronic tag is provided
Energy, it is in the radiofrequency signal that the relevant information modulation that the modulation circuit includes electronic tag is received to electronic tag and anti-
Reader is emitted back towards, the memory is used to preserve the unique serial number and identified relevant information of electronic tag.
Beneficial effects of the present invention are：Electronic tag small volume, safe, long service life.
Brief description of the drawings
Innovation and creation are described further using accompanying drawing, but embodiment in accompanying drawing does not constitute and the invention is appointed
What is limited, for one of ordinary skill in the art, on the premise of not paying creative work, can also be according to the following drawings
Obtain other accompanying drawings.
Fig. 1 is schematic structural view of the invention.
Reference：
Circuit part 1, housing 2.
Specific embodiment
The invention will be further described with the following Examples.
Referring to Fig. 1, a kind of safe electronic tag of the present embodiment, including circuit part 1 and housing 2, the electricity
Road part 1 is packaged in housing 2, including antenna, detecting circuit, modulation circuit and memory；The antenna uses rectangular microstrip
Antenna, for receiving and launching electromagnetic energy, the detecting circuit is used to be converted into the RF energy received from reader
DC energy, for electronic tag provides energy, the relevant information modulation that the modulation circuit includes electronic tag to electronics mark
Reader is signed in the radiofrequency signal for receiving and is reflected back, the memory is used to preserve the unique serial number of electronic tag and is known
Other relevant information.
The present embodiment electronic tag small volume, safe, long service life.
Preferably, the rectangular microstrip antenna is fixed on dielectric substrate, and its size determines that rectangle is micro- in the following way
Width with antenna：
In formula, W represents the width of microstrip antenna, and c represents the light velocity in vacuum, f1Represent the working frequency of antenna, εrRepresent and be situated between
The relative dielectric constant of matter substrate；
The length of rectangular microstrip antenna：
In formula, L represents the length of rectangular microstrip antenna, and c represents the light velocity in vacuum, f0Represent the working frequency of antenna, r tables
Show the ratio between dielectric substrate thickness and rectangular microstrip antenna width, wherein,
The detecting circuit is carried out using single diode detection circuit, the output voltage U and input power P of wave detectorin
Relation be represented by：
In formula, I (x) represents first kind zeroth order modified Bessel function, and e represents electronic charge, and K represents that Boltzmann is normal
Number, T is the actual environment temperature of diode operation, and unit is Kelvin, and n represents Diode Ideality Factor, ISRepresent diode
Saturation current, IbRepresent applied bias electric current, RgRepresent singal source resistance, RLRepresent load resistance, RSRepresent diode package
Equivalent series resistance；
This preferred embodiment uses rectangular microstrip antenna, reduces electronic tag volume, extends working life, it is contemplated that
The temperature characterisitic of diode, the voltage of acquisition is more accurate.
Preferably, the actual environment temperature of the diode operation is obtained by temperature sensor, the temperature sensor
The environment temperature for gathering can be modified, specifically
In formula, T is the actual environment temperature of diode operation, T1For temperature sensor obtains the environment temperature for collecting, T0
It is the standard operating temperature of temperature sensor；
This preferred embodiment is corrected by temperature sensor, obtains more accurate environment temperature.
Preferably, the housing 2 includes upper shell and lower house, using the composite of glass fiber reinforced epoxy resin
It is made, specific make step is：
(1) glass fabric is dyeed according to label classification, by glass fabric immersion coloring material solution, and
Add the particle diameter of mass fraction 0.05% for the carbon black pellet of 100nm in coloring material solution, obtain coloured glass fiber cloth；
(2) upper shell and lower house are obtained using compression molding, epoxy resin and glass fibre is put into the pressure of preheating
In mould, epoxy resin and glass fibre are solidified, hardening time is 50s, solidification temperature is 93 DEG C, and the pressure of mould is
1.2MPa。
This preferred embodiment electronic tag housing is corrosion-resistant, waterproof, high temperature resistant, allows the tag to keep in the presence of a harsh environment
Outstanding performance, and different housing colors can facilitate and carry out Classification Management to electronic tag.
Choose electronic tag 200 of the present invention to be tested, electronic tag is divided into five groups, every group 40, place respectively
In under different temperatures, and it is compared compared with electronic tag, generation is had the beneficial effect that shown in table：
| Temperature/DEG C | Stability is improved | Life-span increases |
| 0 | 30% | 20% |
| 10 | 25% | 25% |
| 20 | 20% | 30% |
| 30 | 24% | 28% |
| 40 | 31% | 18% |
Finally it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than the present invention is protected
The limitation of scope is protected, although being explained to the present invention with reference to preferred embodiment, one of ordinary skill in the art should
Work as understanding, technical scheme can be modified or equivalent, without deviating from the reality of technical solution of the present invention
Matter and scope.
Claims (6)
1. a kind of safe electronic tag, it is characterised in that including circuit part and housing, the circuit part is packaged in
In housing, including antenna, detecting circuit, modulation circuit and memory；The antenna uses rectangular microstrip antenna, for receive and
Transmitting electromagnetic energy, the detecting circuit is used to for the RF energy received from reader to be converted into DC energy, is electronics
Label provides energy, the radio frequency letter that the relevant information modulation that the modulation circuit includes electronic tag to electronic tag is received
Number upper and be reflected back reader, the memory is used to preserve the unique serial number and identified relevant information of electronic tag.
2. a kind of safe electronic tag according to claim 1, it is characterised in that the rectangular microstrip antenna is consolidated
It is scheduled on dielectric substrate, the width of rectangular microstrip antenna determines in the following way：
In formula, W represents the width of microstrip antenna, and c represents the light velocity in vacuum, f1Represent the working frequency of antenna, εrRepresent medium base
The relative dielectric constant of piece.
3. a kind of safe electronic tag according to claim 2, it is characterised in that the length of rectangular microstrip antenna
Determine in the following way：
In formula, L represents the length of rectangular microstrip antenna, and c represents the light velocity in vacuum, f0The working frequency of antenna is represented, r represents Jie
The ratio between matter substrate thickness and rectangular microstrip antenna width, wherein,
4. a kind of safe electronic tag according to claim 3, it is characterised in that the detecting circuit is using single
Individual diode detection circuit is carried out, the output voltage U and input power P of wave detectorinRelation be represented by：
In formula, I (x) represents first kind zeroth order modified Bessel function, and e represents electronic charge, and K represents Boltzmann constant, T
It is the actual environment temperature of diode operation, unit is Kelvin, and n represents Diode Ideality Factor, IsRepresent the full of diode
And electric current, IbRepresent applied bias electric current, RgRepresent singal source resistance, RLRepresent load resistance, RsExpression diode package etc.
Effect series resistance.
5. a kind of safe electronic tag according to claim 4, it is characterised in that the reality of the diode operation
Border environment temperature is obtained by temperature sensor, and the temperature sensor can be modified to the environment temperature for gathering, specifically
In formula, T is the actual environment temperature of diode operation, T1For temperature sensor obtains the environment temperature for collecting, T0It is temperature
Spend the standard operating temperature of sensor.
6. a kind of safe electronic tag according to claim 5, it is characterised in that the housing includes upper shell
And lower house, it is made of the composite of glass fiber reinforced epoxy resin, specific make step is：
(1) glass fabric is dyeed according to label classification, glass fabric is immersed into coloring material solution, and in coloring
Add the particle diameter of mass fraction 0.05% for the carbon black pellet of 100nm in substance solution, obtain coloured glass fiber cloth；
(2) upper shell and lower house are obtained using compression molding, epoxy resin and glass fibre are put into the pressing mold of preheating,
Epoxy resin and glass fibre are solidified, hardening time is 50s, solidification temperature is 93 DEG C, the pressure of mould is 1.2MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710125079.4A CN106897765A (en) | 2017-03-03 | 2017-03-03 | A kind of safe electronic tag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710125079.4A CN106897765A (en) | 2017-03-03 | 2017-03-03 | A kind of safe electronic tag |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106897765A true CN106897765A (en) | 2017-06-27 |
Family
ID=59185049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710125079.4A Pending CN106897765A (en) | 2017-03-03 | 2017-03-03 | A kind of safe electronic tag |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106897765A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1274966A (en) * | 1999-05-24 | 2000-11-29 | 株式会社日立制作所 | Radio terminal and its manufacture and arrangement |
| CN101048786A (en) * | 2004-08-26 | 2007-10-03 | 皇家飞利浦电子股份有限公司 | Rfid tag having a folded dipole |
| CN101373524A (en) * | 2007-08-20 | 2009-02-25 | 天津南大强芯半导体芯片设计有限公司 | Radio frequency identification label circuit system structure and working method and application thereof |
| US20110228713A1 (en) * | 2010-03-22 | 2011-09-22 | Broadcom Corporation | Dual band wlan mimo high isolation antenna structure |
| CN203480535U (en) * | 2013-09-12 | 2014-03-12 | 珠海银邮光电技术发展股份有限公司 | Miniature RFID tag |
| CN205248441U (en) * | 2015-12-11 | 2016-05-18 | 北京万集科技股份有限公司 | Combined antenna and vehicle -mounted electronic label |
-
2017
- 2017-03-03 CN CN201710125079.4A patent/CN106897765A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1274966A (en) * | 1999-05-24 | 2000-11-29 | 株式会社日立制作所 | Radio terminal and its manufacture and arrangement |
| CN101048786A (en) * | 2004-08-26 | 2007-10-03 | 皇家飞利浦电子股份有限公司 | Rfid tag having a folded dipole |
| CN101373524A (en) * | 2007-08-20 | 2009-02-25 | 天津南大强芯半导体芯片设计有限公司 | Radio frequency identification label circuit system structure and working method and application thereof |
| US20110228713A1 (en) * | 2010-03-22 | 2011-09-22 | Broadcom Corporation | Dual band wlan mimo high isolation antenna structure |
| CN203480535U (en) * | 2013-09-12 | 2014-03-12 | 珠海银邮光电技术发展股份有限公司 | Miniature RFID tag |
| CN205248441U (en) * | 2015-12-11 | 2016-05-18 | 北京万集科技股份有限公司 | Combined antenna and vehicle -mounted electronic label |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170627 |
|
| RJ01 | Rejection of invention patent application after publication |