CN110336115A - A kind of antenna that dual chip can be driven to work simultaneously - Google Patents
A kind of antenna that dual chip can be driven to work simultaneously Download PDFInfo
- Publication number
- CN110336115A CN110336115A CN201910439663.6A CN201910439663A CN110336115A CN 110336115 A CN110336115 A CN 110336115A CN 201910439663 A CN201910439663 A CN 201910439663A CN 110336115 A CN110336115 A CN 110336115A
- Authority
- CN
- China
- Prior art keywords
- chip
- radiation area
- antenna
- resonant element
- energy coupling
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/2208—Supports; Mounting means by structural association with other equipment or articles associated with components used in interrogation type services, i.e. in systems for information exchange between an interrogator/reader and a tag/transponder, e.g. in Radio Frequency Identification [RFID] systems
- H01Q1/2225—Supports; Mounting means by structural association with other equipment or articles associated with components used in interrogation type services, i.e. in systems for information exchange between an interrogator/reader and a tag/transponder, e.g. in Radio Frequency Identification [RFID] systems used in active tags, i.e. provided with its own power source or in passive tags, i.e. deriving power from RF signal
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/10—Resonant antennas
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/30—Arrangements for providing operation on different wavebands
- H01Q5/307—Individual or coupled radiating elements, each element being fed in an unspecified way
- H01Q5/314—Individual or coupled radiating elements, each element being fed in an unspecified way using frequency dependent circuits or components, e.g. trap circuits or capacitors
- H01Q5/335—Individual or coupled radiating elements, each element being fed in an unspecified way using frequency dependent circuits or components, e.g. trap circuits or capacitors at the feed, e.g. for impedance matching
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/50—Feeding or matching arrangements for broad-band or multi-band operation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
- H01Q9/04—Resonant antennas
- H01Q9/16—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole
Abstract
The invention proposes the antennas that one kind can drive dual chip to work simultaneously, including the first chip, the second chip, energy coupling unit, aerial radiation area, first frequency resonant element and second frequency resonant element；Radiofrequency signal in aerial radiation area reception space, the energy coupling unit is the received energy coupling in aerial radiation area to the first frequency resonant element and the second frequency resonant element, and then the first frequency resonant element transfers energy to first chip, the second frequency resonant element transfers energy to second chip.The present invention is realized accesses two label chips or two other types of reception chips simultaneously under the conditions of single antenna.
Description
Technical field
The invention belongs to label antenna technical fields, more particularly to a kind of antenna that dual chip can be driven to work simultaneously.
Background technique
Existing UHF RFID label antenna design scheme, usually under conditions of single antenna access a label chip or
Person is the reception chip an of type.And if to access multi-chip work under the conditions of single antenna, it needs additionally to match member
Device.Product cost is higher at this time, size is larger, and the consistency of properties of product is poor.
Summary of the invention
In order to solve the problems existing in the prior art, the invention proposes the days that one kind can drive dual chip to work simultaneously
Line.
The technical scheme adopted by the invention is that:
It is a kind of can drive simultaneously dual chip work antenna, including the first chip, the second chip, energy coupling unit,
Aerial radiation area, first frequency resonant element and second frequency resonant element；Radio frequency in aerial radiation area reception space
Signal, the energy coupling unit is the received energy coupling in aerial radiation area to the first frequency resonant element and institute
State second frequency resonant element, and then the first frequency resonant element transfers energy to first chip, described second
Frequency resonant element transfers energy to second chip.
Preferably, the aerial radiation area includes first antenna radiation area and the second aerial radiation area, the energy coupling
One end of unit connects the first antenna radiation area, and the other end connects second aerial radiation area.
Preferably, the first antenna radiation area and the total length in second aerial radiation area are radiofrequency signal in medium
1/2 wavelength in body.
Preferably, the energy coupling unit includes the first energy coupling unit and the second energy coupling unit, the day
Beta radiation area includes first antenna radiation area, the second aerial radiation area and third antenna radiation area, second aerial radiation area
One end connect one end of the first energy coupling unit, the other end connects one end of the second energy coupling unit, institute
The other end for stating the first energy coupling unit connects the first antenna radiation area, the other end of the second energy coupling unit
Connect the third antenna radiation area.
Preferably, the total length of the first antenna radiation area, the second aerial radiation area and the third antenna radiation area
1/2 wavelength for being radiofrequency signal in dielectric.
Preferably, capacitance is arranged in the first frequency resonant element and/or the second frequency resonant element.
Preferably, first chip is UHF label chip, second chip is UHF label chip or RF energy
Collect chip.
Compared with prior art, the beneficial effects of the present invention are:
The present invention can allow under conditions of single antenna while access two label chips or two other types of receptions
Chip；
It does not need additionally to match component the present invention provides one kind, the side of multi-chip work is accessed under the conditions of single antenna
Method reduces product cost, effectively reduces the size of product, simultaneously as not using Matching components RF impedance, uses
The distribution parameter of pure PCB trace improves the consistency of properties of product.
Certainly, it implements any of the products of the present invention and does not necessarily require achieving all the advantages described above at the same time.
Detailed description of the invention
Fig. 1 is the antenna schematic diagram that one kind of one embodiment of the invention can drive dual chip to work simultaneously；
Fig. 2 is the antenna schematic diagram that one kind of one embodiment of the invention can drive dual chip to work simultaneously.
In figure, the first chip of 1-；The second chip of 2-；3- energy coupling unit；4- first frequency resonant element；The second frequency of 5-
Rate resonant element；6- first antenna radiation area；The second aerial radiation of 7- area；8- capacitance；9- third antenna radiation area；10-
First energy coupling unit；11- the second energy coupling unit.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to each reality of the invention
The mode of applying is explained in detail.
Embodiment one
Referring to FIG. 1, a kind of antenna that dual chip can be driven to work simultaneously, including the first chip 1, the second chip 2, energy
Measure coupling unit 3, aerial radiation area, first frequency resonant element 4 and second frequency resonant element 5；Aerial radiation area receives empty
Between in radiofrequency signal, energy coupling unit 3 is the received energy coupling in aerial radiation area to first frequency resonant element 4 and
Two frequency resonant elements 5, and then first frequency resonant element 4 transfers energy to the first chip 1, second frequency resonant element 5
Transfer energy to the second chip 2.
In the present embodiment, first frequency resonant element 4 and second frequency resonant element 5 generate electricity around a circle or a few circles
Capacitor in sense and the first chip 1 and the second chip 2 generates resonance in the working frequency of radiofrequency signal.
As an implementation, aerial radiation area includes first antenna radiation area 6 and the second aerial radiation area 7, energy
One end of coupling unit 3 connects first antenna radiation area 6, and the other end connects the second aerial radiation area 7.And it is required that first antenna
Radiation area 6 and the total length in the second aerial radiation area 7 are 1/2 wavelength of the radiofrequency signal in dielectric.
After known RF operating frequency, the big of first antenna radiation area 6 and the second aerial radiation area 7 can be obtained according to this
Causing length is 1/4 wavelength of radiofrequency signal, does when in dielectric and shortens accordingly.First antenna radiation area 6 and the second antenna
Radiation area 7 can also with when bending curve, length is suitable, and total length is slightly longer.
The designing points of frequency resonant cell dimension are frequency resonant element curve inductance L and chip radio frequency port electricity
Hold C, the resonance at working frequency f, formula are as follows: 4 π2f2=1/LC.
The Design of length main points of energy coupling unit 3, the main prevention at radio-frequency port impedance for considering chip, if real part in impedance
Large percentage generally requires the bigger coefficient of coup, that is, the coupling length that coupled zone is long, and vice versa.
The energy coupling area of the present embodiment is overlapped design scheme, and the first chip 1 and the second chip 2 are simultaneously in the same of antenna segment
One region energy coupling unit 3 obtains energy, more energy coupling more additional than single-chip is needed at this time, so needing big coupled systemes
Number, coupling length are longer；When respectively for the first chip 1 and the second chip 2, the impedance of the first chip 1 and the second chip 2 is investigated
Q value (namely in impedance real part ratio, large percentage, then Q value is smaller), then corresponding coupling length is short greatly for Q value.
In the present embodiment, when using PCB design antenna, the first chip 1 and the second chip 2 and corresponding first frequency are humorous
Shake unit 4 and second frequency resonant element 5 can in the same side of antenna, respectively in the different layers of PCB, such as one in top layer,
One in bottom.
As an implementation, capacitance 8 is set in first frequency resonant element 4.Certain radio frequency chips cannot make
Prevention at radio-frequency port needs to do blocking processing using capacitance 8 to ground direct-current short circuit.
The capacitance of capacitance 8 is chosen, and can choose 10pF-1000pF, generally be not involved in the design of impedance matching
It goes.
As an implementation, the first chip 1 is UHF label chip, and the second chip 2 is UHF label chip or radio frequency
Energy-trap chip.
Embodiment two
Referring to FIG. 2, a kind of antenna that dual chip can be driven to work simultaneously, including the first chip 1, the second chip 2, energy
Measure coupling unit, aerial radiation area, first frequency resonant element 4 and second frequency resonant element 5；Aerial radiation area reception space
In radiofrequency signal, energy coupling unit is the received energy coupling in aerial radiation area to first frequency resonant element 4 and second
Frequency resonant element 5, and then first frequency resonant element 4 transfers energy to the first chip 1, second frequency resonant element 5 will
Energy transmission gives the second chip 2.
In the present embodiment, first frequency resonant element 4 and second frequency resonant element 5 generate electricity around a circle or a few circles
Capacitor in sense and the first chip 1 and the second chip 2 generates resonance in the working frequency of radiofrequency signal.
As an implementation, energy coupling unit includes the first energy coupling unit 10 and the second energy coupling unit
11, aerial radiation area includes first antenna radiation area 6, the second aerial radiation area 7 and third antenna radiation area 9, third antenna spoke
The one end for penetrating area 9 connects one end of the first energy coupling unit 10, and the other end connects one end of the second energy coupling unit 11, the
The other end of one energy coupling unit 10 connects first antenna radiation area 6, the other end connection of the second energy coupling unit 11 the
Two aerial radiation areas 7.And it is required that the overall length of first antenna radiation area 6, the second aerial radiation area 7 and third antenna radiation area 9
Degree is 1/2 wavelength of the radiofrequency signal in dielectric.
After known RF operating frequency, first antenna radiation area 6, the second aerial radiation area 7 and can be obtained according to this
The total length of triantennary radiation area 9 is 1/2 wavelength length of radiofrequency signal, does when in dielectric and shortens accordingly.First antenna
Radiation area 6, the second aerial radiation area 7 and third antenna radiation area 9 are also possible to bending curve, and length is suitable, and total length is slightly longer.
The designing points of frequency resonant cell dimension are frequency resonant element curve inductance L and chip radio frequency port electricity
Hold C, the resonance at working frequency f, formula are as follows: 4 π2f2=1/LC.
The Design of length main points of first energy coupling unit 10 and the second energy coupling unit 11, it is main to consider penetrating for chip
Frequency port Impedance generally requires the bigger coefficient of coup if real part large percentage in impedance, that is, coupled zone is long
Coupling length, vice versa.
The energy coupling unit of the present embodiment is not overlapped design scheme, and the first chip 1 and the second chip 2 be not or not the same area
Domain obtains energy, and the first energy coupling unit 10 is identical with single-chip with 11 Design of length of the second energy coupling unit.Antenna spoke
Section length is penetrated, not consider that the length of third antenna radiation area 9 can be grown as far as possible in the range that can be designed excessively, Bu Guoyi
As be no more than 1/4 wavelength length of the radiofrequency signal in dielectric.
In the present embodiment, the first chip 1 and the second chip 2 and corresponding first frequency resonant element 4 and second frequency are humorous
Vibration unit 5 can be distributed in the two sides of antenna.
As an implementation, capacitance 8 is set in first frequency resonant element 4.Certain radio frequency chips cannot make
Prevention at radio-frequency port needs to do blocking processing using capacitance 8 to ground direct-current short circuit.
As an implementation, the first chip 1 is UHF label chip, and the second chip 2 is UHF label chip or radio frequency
Other circuits will be added behind energy-trap chip in energy-trap chip, use circuit as collect energy.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by anyone skilled in the art,
It should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with scope of protection of the claims
Subject to.
Claims (7)
1. the antenna that one kind can drive dual chip to work simultaneously, which is characterized in that including the first chip, the second chip, energy
Coupling unit, aerial radiation area, first frequency resonant element and second frequency resonant element；Aerial radiation area reception space
In radiofrequency signal, the energy coupling unit is the received energy coupling in aerial radiation area to the first frequency resonance
Unit and the second frequency resonant element, and then the first frequency resonant element transfers energy to first chip,
The second frequency resonant element transfers energy to second chip.
2. the antenna that one kind according to claim 1 can drive dual chip to work simultaneously, which is characterized in that the antenna
Radiation area includes first antenna radiation area and the second aerial radiation area, and one end of the energy coupling unit connects described first day
Beta radiation area, the other end connect second aerial radiation area.
3. the antenna that one kind according to claim 2 can drive dual chip to work simultaneously, which is characterized in that described first
The total length in aerial radiation area and second aerial radiation area is 1/2 wavelength of the radiofrequency signal in dielectric.
4. the antenna that one kind according to claim 1 can drive dual chip to work simultaneously, which is characterized in that the energy
Coupling unit includes the first energy coupling unit and the second energy coupling unit, and the aerial radiation area includes first antenna radiation
One end of area, the second aerial radiation area and third antenna radiation area, the third antenna radiation area connects the first energy coupling
Close one end of unit, the other end connects one end of the second energy coupling unit, the first energy coupling unit it is another
End connects the first antenna radiation area, and the other end of the second energy coupling unit connects second aerial radiation area.
5. the antenna that one kind according to claim 4 can drive dual chip to work simultaneously, which is characterized in that described first
The total length in aerial radiation area, the second aerial radiation area and the third antenna radiation area is 1/ of radiofrequency signal in dielectric
2 wavelength.
6. the antenna that one kind according to claim 1 can drive dual chip to work simultaneously, which is characterized in that described first
Capacitance is set in frequency resonant element and/or the second frequency resonant element.
7. the antenna that one kind according to claim 1 can drive dual chip to work simultaneously, which is characterized in that described first
Chip is UHF label chip, and second chip is that UHF label chip or RF energy collect chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910439663.6A CN110336115B (en) | 2019-05-24 | 2019-05-24 | Antenna capable of simultaneously driving double chips to work |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910439663.6A CN110336115B (en) | 2019-05-24 | 2019-05-24 | Antenna capable of simultaneously driving double chips to work |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110336115A true CN110336115A (en) | 2019-10-15 |
| CN110336115B CN110336115B (en) | 2021-02-23 |
Family
ID=68139479
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910439663.6A Active CN110336115B (en) | 2019-05-24 | 2019-05-24 | Antenna capable of simultaneously driving double chips to work |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110336115B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1694303A (en) * | 2004-05-04 | 2005-11-09 | 三星电机株式会社 | Multi-band multi-layered chip antenna using double coupling feeding |
| US20100026602A1 (en) * | 2008-07-29 | 2010-02-04 | Kabushiki Kaisha Toshiba | Antenna Device and Electronic Equipment |
| CN101740862A (en) * | 2008-11-20 | 2010-06-16 | 东莞市启汉电子科技有限公司 | Dipole antenna of RF chip |
| JP5020161B2 (en) * | 2008-05-16 | 2012-09-05 | 三菱電機株式会社 | Wireless communication device |
| CN105514593A (en) * | 2014-09-24 | 2016-04-20 | 佳邦科技股份有限公司 | Antenna structure |
| CN106450678A (en) * | 2016-10-24 | 2017-02-22 | 宇龙计算机通信科技(深圳)有限公司 | Antenna assembly and terminal |
| CN107408219A (en) * | 2014-12-22 | 2017-11-28 | 艾利丹尼森零售信息服务公司 | RFID device with multifrequency antenna |
| CN109344949A (en) * | 2018-08-01 | 2019-02-15 | 浙江大学 | A kind of anti-counterfeit anti-theft RFID tag of antenna and circuit separation |
-
2019
- 2019-05-24 CN CN201910439663.6A patent/CN110336115B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1694303A (en) * | 2004-05-04 | 2005-11-09 | 三星电机株式会社 | Multi-band multi-layered chip antenna using double coupling feeding |
| JP5020161B2 (en) * | 2008-05-16 | 2012-09-05 | 三菱電機株式会社 | Wireless communication device |
| US20100026602A1 (en) * | 2008-07-29 | 2010-02-04 | Kabushiki Kaisha Toshiba | Antenna Device and Electronic Equipment |
| CN101740862A (en) * | 2008-11-20 | 2010-06-16 | 东莞市启汉电子科技有限公司 | Dipole antenna of RF chip |
| CN105514593A (en) * | 2014-09-24 | 2016-04-20 | 佳邦科技股份有限公司 | Antenna structure |
| CN107408219A (en) * | 2014-12-22 | 2017-11-28 | 艾利丹尼森零售信息服务公司 | RFID device with multifrequency antenna |
| CN106450678A (en) * | 2016-10-24 | 2017-02-22 | 宇龙计算机通信科技(深圳)有限公司 | Antenna assembly and terminal |
| CN109344949A (en) * | 2018-08-01 | 2019-02-15 | 浙江大学 | A kind of anti-counterfeit anti-theft RFID tag of antenna and circuit separation |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110336115B (en) | 2021-02-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP4671001B2 (en) | Wireless IC device | |
| KR101548970B1 (en) | Ground radiation antenna | |
| US9385427B2 (en) | Multi-band antenna and wireless communication device employing same | |
| US9407014B2 (en) | Antenna device | |
| CN101385202A (en) | Microstrip antenna for rfid device | |
| US9503151B2 (en) | Implicit switch for switching between receive and transmit modes of antennas | |
| TWM478253U (en) | Broadband antenna | |
| CN101814648A (en) | Antenna and the equipment that is equipped with described antenna | |
| WO2023226392A1 (en) | Antenna assembly and electronic device | |
| CN104081676A (en) | Communication device | |
| CN105655695A (en) | Low-profile circular polarized antenna array | |
| JP2009071413A (en) | Antenna and rfid | |
| US11699056B2 (en) | RFID inlay | |
| US9947996B2 (en) | Antenna device | |
| CN109768361A (en) | Micro-strip combiner and smart antenna | |
| CN204614927U (en) | Antenna array of hybrid radiator assembly | |
| CN110336115A (en) | A kind of antenna that dual chip can be driven to work simultaneously | |
| EP2212832A1 (en) | A radio frequency transponder and radio frequency identification system | |
| US20130228626A1 (en) | Resonant circuit structure and rf tag having same | |
| CN112003580A (en) | Power combiner and medical equipment | |
| JP7001179B2 (en) | RFID inlay | |
| CN214254730U (en) | Bluetooth WiFi module | |
| WO2017008502A1 (en) | Multi-input and multi-output (mimo) antenna structure and terminal | |
| CN103051334A (en) | Phase-locked loop for radio frequency identification read-write device | |
| Sabban | Wearable antennas for medical applications |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |