CN205862354U - A kind of ultrahigh frequency electronic tag - Google Patents
A kind of ultrahigh frequency electronic tag Download PDFInfo
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- CN205862354U CN205862354U CN201620546987.1U CN201620546987U CN205862354U CN 205862354 U CN205862354 U CN 205862354U CN 201620546987 U CN201620546987 U CN 201620546987U CN 205862354 U CN205862354 U CN 205862354U
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- electronic tag
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- conducting sleeve
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- circuited conducting
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Abstract
The utility model discloses a kind of ultrahigh frequency electronic tag, including substrate, antenna and chip it is provided with on described substrate, described antenna includes short-circuited conducting sleeve, the arranged on left and right sides of described short-circuited conducting sleeve is disposed with a few font a period of time, radiation a period of time symmetrically, the upper side edge medium position of described short-circuited conducting sleeve is provided with breakpoint, and described chip is arranged on breakpoint and is connected with short-circuited conducting sleeve two ends；Described radiation a period of time is rectangular, and the bottom of described rectangle is provided with the groove to a few font a period of time openings, and the one end in described a few font a period of time is connected on the lower side of groove, and the other end connects the lower side medium position of short-circuited conducting sleeve.This utility model is conducive to reducing the size of electronic tag, has high read-write sensitivity, good impedance matching, high-gain.
Description
Technical field
This utility model relates to a kind of ultrahigh frequency electronic tag, has high read-write sensitivity under especially a kind of special frequency channel
Electronic tag, belong to electronic label technology field.
Background technology
Electronic tag be RFID (radio-frequency recognition system) mainly comprise unit, be the information carrier of Internet of Things.Along with penetrating
Frequency identifies the development of technology, works in UHF(Ultra High Frequency) all types of electricity of frequency range (840MHz-960MHz)
Subtab is applied to logistics management, warehousing management, asset management, clothing management, industrial manufacturing industry management etc. more and more
Field.
In logistics management kimonos tubulature reason, the height of the density that the concordance of goods placing direction and goods are put exists not
Definitiveness, and electronic tag is in application process, carries out bi-directional RF communication between electronic tag and read write line, including electronics mark
Sign identification and the amendment of data, ensure stability and the accuracy of electronic tag data communication in application process, improve electronics
The capacity of resisting disturbance of label environment to external world, the ultrahigh frequency electronic tag therefore designed require to have simultaneously high reading sensitivity and
Write sensitivity.
UHF RFID is mainly made up of RFID antenna and RFID chip two parts.Electronic tag design at present
Challenge mainly has 3 aspects: one is to realize the overall dimensions that electronic tag is less, and two are to provide antenna gain, and three is to realize mark
Signing the impedance matched well between chip and label antenna, these 3 performances determining label antenna are good and bad.
Utility model content
The purpose of this utility model is to provide a kind of ultrahigh frequency electronic tag, solves conventional ultra high band electronic label sizes
Greatly, the problem that gain is little, impedance matching is poor.
This utility model the technical scheme is that for solving its technical problem
A kind of ultrahigh frequency electronic tag, including substrate, described substrate is provided with antenna and chip, and described antenna includes short
Lu Huan, the arranged on left and right sides of described short-circuited conducting sleeve is disposed with a few font a period of time, radiation a period of time, described short-circuited conducting sleeve upper symmetrically
Middle side edge position is provided with breakpoint, and described chip is arranged on breakpoint and is connected with short-circuited conducting sleeve two ends；Described radiation a period of time is rectangular,
The bottom of described rectangle is provided with the groove to a few font a period of time openings, and the one end in described a few font a period of time is connected to the downside of groove
Bian Shang, the other end connects the lower side medium position of short-circuited conducting sleeve.
Further, the two ends dislocation of described short-circuited conducting sleeve formation breakpoint connects.
Further, described breakpoint upper and lower sides is provided with symmetrical circular anchor point.
Further, described breakpoint diagonal side is provided with symmetrical right angle anchor point.
Further, described antenna is integral structure.
Further, described antenna length is 70 ± 1.4mm, and width is 16 ± 0.32mm.
Further, described base material uses PET or FPC material to make.
The beneficial effects of the utility model are:
1, label design radiates the laying area in a period of time by strengthening both sides, thus improves electronic tag operationally anti-
To scattering area, strengthen electronic tag back-scattered signal so that label has higher read-write sensitivity and broader impedance band
Width, thus realization is under various circumstances, all has preferable performance, greatly improves the label adaptability to environment with consistent
Property；
2, a few font cabling is added on radiant body, it is possible to significantly reduce the volume requirement to label, it is ensured that label exists
Under conditions of miniaturization so that resonant tag frequency is close to operating frequency range；Also advantageously improve label radiation gain, and then
Improve the capacity of resisting disturbance of the read-write sensitivity of label and environment to external world；
3, designed by short-circuited conducting sleeve, can effectively regulate short-circuited conducting sleeve size to realize label impedance matching, in conjunction with radiation battle array
Sub-large area designs, it is achieved electronic tag special frequency channel write sensitivity optimization, solve electronic tag special frequency channel and write sensitivity
On the low side and the engineer applied that cannot implement.
Accompanying drawing explanation
Fig. 1 is UHF RFID schematic equivalent circuit.
Fig. 2 is structural representation of the present utility model.
Detailed description of the invention
Below in conjunction with accompanying drawing and example, this utility model is described further explanation.
As it is shown in figure 1, left side is the equivalent circuit of RFID antenna, right side is the equivalent circuit of RFID chip；When antenna with
Chip each self-impedance conjugate pair is answered, i.e. antenna impedance real part should be equal with chip impedance real part, and antenna impedance imaginary part should be with chip
During imaginary impedance opposite number each other (conjugation), UHF RFID realizes best impedance matching.
As in figure 2 it is shown, a kind of ultrahigh frequency electronic tag that this utility model provides, including substrate 7, described substrate 7 sets
Being equipped with antenna and chip, described antenna includes that short-circuited conducting sleeve 3, the arranged on left and right sides of described short-circuited conducting sleeve 3 are disposed with a few word symmetrically
Shape a period of time 2, radiation a period of time 1, the upper side edge medium position of described short-circuited conducting sleeve 3 is provided with breakpoint, and described short-circuited conducting sleeve forms the two of breakpoint
End dislocation connects, and described chip 4 is arranged on breakpoint, short-circuited conducting sleeve two ends respectively with the GND(of chip 4 hold) and RF(radio-frequency head) phase
Even, as the feed end of label antenna, scalable short-circuited conducting sleeve 3 size carries out impedance matching.
Described radiation a period of time 1 is rectangular, and the bottom of described rectangle is provided with the groove 8 to a few font a period of time openings, described several
The one end in font a period of time 3 is connected on the lower side of groove 8, and the other end connects the lower side medium position of short-circuited conducting sleeve 3, such energy
Make antenna overall structure compacter, be conducive to reducing antenna size.
Described breakpoint upper and lower sides is provided with symmetrical circular anchor point 5, and described breakpoint diagonal side is provided with location, symmetrical right angle
Point 6, for chip 4 location and installation, makes chip 4 install more convenient.
Described antenna uses integral structure, described short-circuited conducting sleeve 3, a few font a period of time 2, radiation a period of time 1 to be integral type even
Access node structure.
In the present embodiment, described antenna length is 70 ± 1.4mm, and width is 16 ± 0.32mm.
In the present embodiment, described base material 7 can use PET or FPC material.
Label of the present utility model design radiates the laying area in a period of time 1 by strengthening both sides, thus improves electronic tag
Backscatter area operationally, strengthen electronic tag back-scattered signal so that label have higher read-write sensitivity and
Broader impedance bandwidth, thus realization is under various circumstances, all has preferable performance, greatly improves label and fit environment
Answering property and concordance.
A few font cabling is added, it is possible to significantly reduce the volume requirement to label, it is ensured that label is little on radiant body
Under conditions of type so that resonant tag frequency is close to operating frequency range；Also advantageously improve label radiation gain, Jin Erti
The read-write sensitivity of high label and the capacity of resisting disturbance of environment to external world.
Designed by short-circuited conducting sleeve 3, can effectively regulate short-circuited conducting sleeve 3 size to realize label impedance matching, in conjunction with radiation battle array
Son 1 large area design, it is achieved electronic tag special frequency channel write sensitivity optimization, solve electronic tag special frequency channel and write sensitivity
On the low side and the engineer applied that cannot implement.
The above, preferred embodiment the most of the present utility model, this utility model is not limited to above-mentioned enforcement
Mode, as long as it reaches technique effect of the present utility model with identical means, all should belong to protection domain of the present utility model.
Claims (7)
1. a ultrahigh frequency electronic tag, including substrate, described substrate is provided with antenna and chip, it is characterised in that: described
Antenna includes that short-circuited conducting sleeve, the arranged on left and right sides of described short-circuited conducting sleeve are disposed with a few font a period of time, radiation a period of time symmetrically, described
The upper side edge medium position of short-circuited conducting sleeve is provided with breakpoint, and described chip is arranged on breakpoint and is connected with short-circuited conducting sleeve two ends；Described radiation
A period of time is rectangular, and the bottom of described rectangle is provided with the groove to a few font a period of time openings, and the one end in described a few font a period of time connects
On the lower side of groove, the other end connects the lower side medium position of short-circuited conducting sleeve.
A kind of ultrahigh frequency electronic tag the most according to claim 1, it is characterised in that: described short-circuited conducting sleeve forms the two of breakpoint
End dislocation connects.
A kind of ultrahigh frequency electronic tag the most according to claim 1, it is characterised in that: it is right that described breakpoint upper and lower sides is provided with
Claim circular anchor point.
A kind of ultrahigh frequency electronic tag the most according to claim 1, it is characterised in that: it is right that described breakpoint diagonal side is provided with
Claim right angle anchor point.
A kind of ultrahigh frequency electronic tag the most according to claim 1, it is characterised in that: described antenna is integral structure.
A kind of ultrahigh frequency electronic tag the most according to claim 1, it is characterised in that: described antenna length is 70 ±
1.4mm, width is 16 ± 0.32mm.
A kind of ultrahigh frequency electronic tag the most according to claim 1, it is characterised in that: described base material uses PET or FPC
Material makes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620546987.1U CN205862354U (en) | 2016-06-06 | 2016-06-06 | A kind of ultrahigh frequency electronic tag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620546987.1U CN205862354U (en) | 2016-06-06 | 2016-06-06 | A kind of ultrahigh frequency electronic tag |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205862354U true CN205862354U (en) | 2017-01-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620546987.1U Active CN205862354U (en) | 2016-06-06 | 2016-06-06 | A kind of ultrahigh frequency electronic tag |
Country Status (1)
| Country | Link |
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| CN (1) | CN205862354U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107464986A (en) * | 2017-09-01 | 2017-12-12 | 哈尔滨电工仪表研究所 | A kind of ultra-high frequency RFID label antenna |
| CN113285206A (en) * | 2021-05-26 | 2021-08-20 | 湖南工程学院 | Miniaturized omnidirectional UHF-RFID (ultra high frequency-radio frequency identification) tag antenna and preparation method thereof |
-
2016
- 2016-06-06 CN CN201620546987.1U patent/CN205862354U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107464986A (en) * | 2017-09-01 | 2017-12-12 | 哈尔滨电工仪表研究所 | A kind of ultra-high frequency RFID label antenna |
| CN113285206A (en) * | 2021-05-26 | 2021-08-20 | 湖南工程学院 | Miniaturized omnidirectional UHF-RFID (ultra high frequency-radio frequency identification) tag antenna and preparation method thereof |
| CN113285206B (en) * | 2021-05-26 | 2022-06-07 | 湖南工程学院 | Miniaturized omnidirectional UHF-RFID (ultra high frequency-radio frequency identification) tag antenna and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 519000 No. 43 Xinke Road, Baijiao Science and Technology Industrial Park, Doumen District, Zhuhai City, Guangdong Province Patentee after: GUANGDONG ZHONGSHIFA INTELLIGENT TECHNOLOGY CO.,LTD. Address before: 519125 No. 43 Xinke Road, Baijiao Science and Technology Industrial Park, Doumen District, Zhuhai City, Guangdong Province Patentee before: ZHUHAI ZHONGSHIFA PRINTING CO.,LTD. |
|
| CP03 | Change of name, title or address |