CN207367247U - A kind of miniature loop antenna RF ID labels of achievable far-field performance - Google Patents
A kind of miniature loop antenna RF ID labels of achievable far-field performance Download PDFInfo
- Publication number
- CN207367247U CN207367247U CN201721414515.1U CN201721414515U CN207367247U CN 207367247 U CN207367247 U CN 207367247U CN 201721414515 U CN201721414515 U CN 201721414515U CN 207367247 U CN207367247 U CN 207367247U
- Authority
- CN
- China
- Prior art keywords
- antenna
- miniature
- miniature loop
- loop antenna
- radiating
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- 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.)
- Expired - Fee Related
Links
- 239000000463 material Substances 0.000 claims abstract description 24
- 239000000758 substrate Substances 0.000 claims abstract description 14
- 239000004411 aluminium Substances 0.000 claims abstract description 3
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 3
- 230000005855 radiation Effects 0.000 claims description 8
- 241001602730 Monza Species 0.000 claims description 6
- 238000005530 etching Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000001939 inductive effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 241000894007 species Species 0.000 description 1
Abstract
The utility model discloses a kind of miniature loop antenna RF ID labels of achievable far-field performance, including base material, the chip connected on antenna and antenna through aluminium etching on base material, the antenna includes miniature loop antenna and radiating antenna, base material includes miniature loop antenna substrate and radiating antenna base material, miniature loop antenna is set on miniature loop antenna substrate, and chip is connected with miniature loop antenna；Radiating antenna is arranged on radiating antenna base material, and radiating antenna is located at the miniature loop antenna substrate back side.The utility model size only has 10*10mm or so, the radiating antenna of can arrange in pairs or groups arbitrary shape, arbitrary dimension, to lift the performance of miniature loop antenna, reads away from being promoted to 6 10m from original 0.5m or so.
Description
Technical field
A kind of miniature loop antenna RF ID labels of achievable far-field performance are the utility model is related to, are belonged in RFID tag
UHF（Hyperfrequency）Label technique field.
Background technology
Existing wireless radio frequency identification mark（RFID）Technology is broadly divided into UHF（Hyperfrequency）Label and HF（High frequency）Mark
Label, this is two kinds of independent, different working modes labels, and UHF labels are a chip collocation folded doublet job
In the RFID technique of 800-1000MHZ frequency ranges；HF labels are a chip collocation coil antenna job and 13.56MHZ frequency ranges
RFID technique.With the continuous maturation that technology develops, in some RFID application scenarios, the size requirements to label are also increasingly
It is small, however, conventional small size（10*20mm）UHF electronic tag performances are very weak（Read away from for up to 1-2m）, cause such small size
UHF antenna can not meet customer need.
UHF labels are different with HF labeling tasks principle, and UHF labels use backscattering coupling operational mode, working frequency range
For 860MHZ-960MHZ, recognition distance far 10m.HF labels use electromagnetic coupled working method, and working frequency range is
13.56MHZ, near recognition distance is 10cm.
UHF labels are read, away from about 6-10m, to carry out data transmission in conventional use demand, when label sizes reduce causing property
It can weaken（Read away from for up to 1-2m）, the application range of such label is thus limited, the application mode of present RFID tag is got over
Come it is more extensive, if RFID small sizes label can realize conventional UHF labels read away from（6-10m）, so it can both meet customer need,
Also RFID industry developments will be promoted.
Utility model content
The purpose of this utility model is to design a kind of miniature loop antenna RF ID labels of achievable far-field performance（Can be remote
Distance is read）, its size only has 10*10mm or so, and the radiating antenna of can arrange in pairs or groups arbitrary shape, arbitrary dimension is micro- to be lifted
The performance of type loop antenna, reads away from being promoted to 6-10m from original 0.5m or so.
The purpose of this utility model is achieved through the following technical solutions, a kind of miniature loop of achievable far-field performance
Antenna RFID tag, including base material, the chip connected on the antenna and antenna through aluminium etching on base material, the antenna includes miniature
Loop antenna and radiating antenna, base material include miniature loop antenna substrate and radiating antenna base material, and miniature loop antenna sets micro-
On the antenna substrate of type ring road, chip is connected with miniature loop antenna；Radiating antenna is arranged on radiating antenna base material, radiating antenna
Positioned at the miniature loop antenna substrate back side, radiating antenna is not directly connected to miniature loop antenna, in a manner of inductive coupling,
Increase the size of miniature loop antenna indirectly so that antenna size becomes larger, and strengthens the performance of miniature loop antenna, reads away from increasing to
6-10m。
Preferably, the miniature loop antenna is rectangle, and the length of miniature loop antenna is 8-12mm, width 8-
12mm, line width 1mm.
Preferably, the radiating antenna is located at below miniature loop antenna, the radiation direction of radiating antenna and miniature loop
Antenna aperture direction is vertical, and miniature loop antenna is placed on the Loop positions of radiating antenna, sees Fig. 1.
Preferably, the chip connected on the miniature loop antenna for Ucode7 series, Monza R6, Monza 5,
Monza4, H3 or H4.
Preferably, the radiating antenna outer end is stretched out outside the miniature loop antenna substrate.
Preferably, the miniature loop antenna aperture direction is located in the middle part of the long side of the miniature loop antenna.
Preferably, the long side of the miniature loop antenna and the radiation direction of radiating antenna are arranged in parallel.
The utility model has the advantage that：
First, the utility model design is simply understood with occupation mode, convenient and practical.
Second, achievable miniature loop UHF electronic tags can be read at a distance in actual production use.
3rd, by reducing antenna size, greatly reduce UHF（Hyperfrequency）The complexity of antenna production technology and life
Produce cost.
4th, the different radiating antenna of the miniature loop antenna collocation of the utility model, to reach different far-field performances
It is required that expanding application range, economic benefit is improved, there is very strong practicality.
Brief description of the drawings
Fig. 1 is that the radiating antenna of the RFID tag for the miniature loop antenna that the utility model can realize far-field performance places position
Put.
Fig. 2 is the miniature loop antenna knot of the RFID tag for the miniature loop antenna that the utility model can realize far-field performance
Structure schematic diagram；
In figure：1 miniature loop antenna, 2 chips, 3 miniature loop antenna substrates, 4 radiating antennas, 5 radiating antenna base materials.
Embodiment
The utility model is further illustrated in conjunction with the accompanying drawings and embodiments.
As shown in Figure 1 and Figure 2, a kind of RFID tag of the miniature loop antenna of achievable far-field performance, including base material, gold
Belong to antenna, conducting resinl, chip 2, and external radiation antenna 4.Metal antenna is miniature loop antenna 1.
Base material includes miniature loop antenna substrate 3 and radiating antenna base material 5, and miniature loop antenna 1 sets miniature loop day
On line base material 3, chip 2 is connected with miniature loop antenna 1；Radiating antenna 4 is arranged on radiating antenna base material 5, radiating antenna 5
In miniature 3 back side of loop antenna substrate.Radiating antenna is not directly connected to miniature loop antenna, in a manner of inductive coupling,
Increase the size of miniature loop antenna indirectly so that antenna size becomes larger, and strengthens the performance of miniature loop antenna, reads away from increasing to
6-10m。
Chip 2 connects miniature loop antenna 1, and miniature loop antenna 1 is attached on base material, and external radiation antenna 4 is placed on
Below base material.
Miniature loop antenna 1 only has Loop areas circuit, its length and width is all 10 mm or so, line width 1mm.Length and width is all
10 mm or so, the loop loops that line width is 1mm are identical with conventional UHF antenna Loop areas circuit appearance, returned by adjusting Loop areas
The area on road adjusts the frequency point of label.
Chip 2 is connected with miniature loop antenna 1, and radiating antenna 4 is placed below, and increases the effective length of radiating antenna, is come
Realize the far field test requirement of miniature loop antenna.
Radiating antenna 4 is placed on the miniature lower section of loop antenna 1, and the radiation direction of radiating antenna 4 is opened with miniature loop antenna 1
Mouth direction is vertical, and miniature loop antenna 1 is placed on the Loop positions of radiating antenna 4, sees Fig. 1.
The chip 2 connected on miniature loop antenna 1：Ucode7 series, Monza R6, Monza 5, Monza4, H3, H4.
4 outer end of radiating antenna is stretched out outside the miniature loop antenna substrate 3.
Miniature 1 opening direction of loop antenna is located in the middle part of the long side of miniature loop antenna 1.
The long side and the radiation direction of radiating antenna 4 of miniature loop antenna 1 are arranged in parallel.
The design method of the RFID tag of the miniature loop antenna of far-field performance, which can be achieved, is：First use AUTO CAD softwares
One UHF label radiating antenna illustraton of model of design simultaneously generates .sat files, imports the file into radio frequency simulation software HFSS,
Modeled in HFSS softwares, increase miniature loop antenna, the size species of chip is set, metal wire parameter is set, to simulate label
Antenna reality use environment, simulated environment emulate antenna performance using HFSS after the completion of building, last HFSS outputs mark
Sign the reference values such as performance, the frequency point of antenna.
Since miniature loop antenna only has Loop areas size, impedance matching can not be completed with chip, antenna gain is smaller, makes
Antenna is read away from difference, by optimizing and overleaf placing radiating antenna, coupled by both radiating antenna and miniature loop antenna,
Improve antenna gain, strengthen surrounding magnetic field, realize miniature loop antenna read away from increase.
Claims (7)
1. a kind of miniature loop RFID tag of achievable far-field performance, including base material, the antenna and day that are etched on base material through aluminium
The chip connected on line, it is characterized in that, the antenna includes miniature loop antenna and radiating antenna, and base material includes miniature loop day
Line base material and radiating antenna base material, miniature loop antenna are set on miniature loop antenna substrate, and chip connects with miniature loop antenna
Connect；Radiating antenna is arranged on radiating antenna base material, and radiating antenna is located at the miniature loop antenna substrate back side.
2. a kind of miniature loop RFID tag of achievable far-field performance according to claim 1, it is characterized in that, it is described micro-
Type loop antenna is rectangle, and the length of miniature loop antenna is 8-12mm, width 8-12mm, line width 1mm.
3. a kind of miniature loop RFID tag of achievable far-field performance according to claim 2, it is characterized in that, the spoke
Penetrate antenna to be located at below miniature loop antenna, the radiation direction of radiating antenna is vertical with miniature loop antenna aperture direction, miniature
Loop antenna is placed on the Loop positions of radiating antenna, i.e., miniature loop antenna is placed on rectangle Loop annulus on radiating antenna
It is interior.
4. a kind of miniature loop RFID tag of achievable far-field performance according to claim 3, it is characterized in that, it is described micro-
The chip connected on type loop antenna is Ucode7 series, Monza R6, Monza 5, Monza4, H3 or H4.
5. a kind of miniature loop RFID tag of achievable far-field performance according to claim 4, it is characterized in that, the spoke
Antenna outer end is penetrated to stretch out outside the miniature loop antenna substrate.
6. a kind of miniature loop RFID tag of achievable far-field performance according to claim 5, it is characterized in that, it is described micro-
Type ring road antenna aperture direction is located in the middle part of the long side of the miniature loop antenna.
7. a kind of miniature loop RFID tag of achievable far-field performance according to claim 6, it is characterized in that, it is described micro-
The long side of type loop antenna and the radiation direction of radiating antenna are arranged in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721414515.1U CN207367247U (en) | 2017-10-30 | 2017-10-30 | A kind of miniature loop antenna RF ID labels of achievable far-field performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721414515.1U CN207367247U (en) | 2017-10-30 | 2017-10-30 | A kind of miniature loop antenna RF ID labels of achievable far-field performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207367247U true CN207367247U (en) | 2018-05-15 |
Family
ID=62345172
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721414515.1U Expired - Fee Related CN207367247U (en) | 2017-10-30 | 2017-10-30 | A kind of miniature loop antenna RF ID labels of achievable far-field performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207367247U (en) |
-
2017
- 2017-10-30 CN CN201721414515.1U patent/CN207367247U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180515 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |