CN206301360U - Passive ultra-high frequency RFID circulating electron label - Google Patents
Passive ultra-high frequency RFID circulating electron label Download PDFInfo
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- CN206301360U CN206301360U CN201621035682.0U CN201621035682U CN206301360U CN 206301360 U CN206301360 U CN 206301360U CN 201621035682 U CN201621035682 U CN 201621035682U CN 206301360 U CN206301360 U CN 206301360U
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- antenna
- high frequency
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- frequency rfid
- chip
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Abstract
The utility model belongs to technical field of RFID, there is provided a kind of passive ultra-high frequency RFID circulating electron label.Passive ultra-high frequency RFID circulating electron label of the present utility model includes：Antenna and chip；Into the annular of the breach of band one, in the antenna, the chip is located on the Axisymmetric Distributed Line of the antenna near the external diameter side of the antenna integrated chip antenna.Passive ultra-high frequency RFID circulating electron label of the present utility model, Antenna Design is circularized, with adapt to require in the middle of electronic tag be blank occasion, be some application reserve position, while also meeting the related electric index of electronic tag.
Description
Technical field
The utility model is related to technical field of RFID, and in particular to a kind of passive ultra-high frequency RFID circulating electron mark
Sign.
Background technology
Electronic tag (radio frequency identification) UHF RFID (Ultra High Frequency Radio Frequency
Identification) technology, is a kind of communication technology also known as radio frequency identification, can be recognized by radio signals specific
Target simultaneously reads and writes related data, and without setting up mechanical or optical contact between identifying system and specific objective.Existing electronics
The chip of label is general, and all in center, antenna is distributed in chip circumference, but, in some particular applications, object is needed
Electronic tag center is passed through, existing electronic tag obviously cannot meet this application scenario.
Utility model content
For defect of the prior art, the utility model provides passive ultra-high frequency RFID circulating electron label, by electronics
The Antenna Design of label is circularized, to meet particular application.
A kind of passive ultra-high frequency RFID circulating electron label that the utility model is provided, including：Antenna and chip；The day
Into the annular of the breach of band one, in the antenna, the chip is located on the Axisymmetric Distributed Line of the antenna integrated chip line
Near the external diameter side of the antenna.
Passive ultra-high frequency RFID circulating electron label of the present utility model, Antenna Design is circularized, to adapt to require electricity
It is the occasion of blank in the middle of subtab, is that some applications reserve position, while also meeting the related electric index of electronic tag.
Preferably, fan-shaped window, the center of circle of the fan-shaped window and institute are provided between the chip and the antenna internal diameter
The center of circle for stating antenna overlaps, and the Axisymmetric Distributed Line of the fan-shaped window overlaps with the Axisymmetric Distributed Line of the antenna.Fan-shaped window external diameter
The conductive layer formed between antenna external diameter is connected with chip, and the structure of fan-shaped window reduces antenna with chip chamber conductive layer
Line footpath, improves coupling performance, to reach preferably impedance matching.
Preferably, internal diameter of the distance of the external diameter of antenna described in the outer span of the fan-shaped window more than the fan-shaped window
The distance of the internal diameter away from the antenna.The structure can improve the firmness of antenna, while reducing antenna and chip chamber conductive layer
Line footpath.
Preferably, the antenna is into snakelike cabling.Snakelike cabling can increase day in the case where antenna volume is not increased
The length of line, to increase the reading distance of antenna.
Preferably, the spacing between the external diameter of the fan-shaped window and the external diameter of the antenna is not less than 1 millimeter and little
In 1.5 millimeters.
Preferably, the line width of the snakelike cabling is 1 millimeter, at intervals of 1 millimeter between the snakelike cabling.
Preferably, the internal-and external diameter difference of the antenna is 19 millimeters.
Brief description of the drawings
In order to illustrate more clearly of the utility model specific embodiment or technical scheme of the prior art, below will be right
The accompanying drawing to be used needed for specific embodiment or description of the prior art is briefly described.In all of the figs, it is similar
The general reference by being similar to of element or part is identified.In accompanying drawing, each element or part might not be according to actual ratios
Draw.
The structural representation of the passive ultra-high frequency RFID circulating electron label that Fig. 1 is provided for the utility model embodiment.
In accompanying drawing, 1 represents antenna；2 represent chip；3 represent fan-shaped window；4 represent snakelike cabling.
Specific embodiment
The embodiment of technical solutions of the utility model is described in detail below in conjunction with accompanying drawing.Following examples are only
For clearly illustrating the technical solution of the utility model, therefore example is only used as, and this practicality can not be limited with this
New protection domain.
It should be noted that unless otherwise indicated, technical term used in this application or scientific terminology should be this reality
The ordinary meaning understood with new one of ordinary skill in the art.
As shown in figure 1, a kind of passive ultra-high frequency RFID circulating electron label that the utility model embodiment is provided, including：
Antenna 1 and chip 2；1 one-tenth annular with a breach of antenna, chip 2 is integrated in antenna 1, and chip 2 is located at the axial symmetry of antenna 1
Near the external diameter side of antenna 1 on line.
Passive ultra-high frequency (UHF) RFID circulating electron labels of the utility model embodiment, the design of antenna 1 is circularized,
With adapt to require in the middle of electronic tag be blank occasion, be some application reserve position, while also meeting the phase of electronic tag
Close electrical specifications.
Preferably, fan-shaped window 3, the center of circle of fan-shaped window 3 and the center of circle of antenna 1 are provided between chip 2 and the internal diameter of antenna 1
Overlap, the Axisymmetric Distributed Line of fan-shaped window 3 overlaps with the Axisymmetric Distributed Line of antenna 1.Shape between the external diameter of fan-shaped window 3 and the external diameter of antenna 1
Into conductive layer be connected with chip 2, the structure of fan-shaped window 3 reduces the line footpath of conductive layer between antenna 1 and chip 2, improves
Coupling performance, to reach preferably impedance matching.
Preferably, the distance of the external diameter of the outer span antenna 1 of fan-shaped window 3 is more than the interior span antenna 1 of fan-shaped window 3
The distance of internal diameter.The structure can improve the firmness of antenna 1, while reducing the line footpath of conductive layer between antenna 1 and chip 2.
Preferably, the snakelike cabling 4 of 1 one-tenth of antenna.Snakelike cabling can increase antenna 1 in the case where antenna volume is not increased
Length, to increase the reading distance of antenna 1.
Preferably, the spacing between the external diameter of the external diameter of fan-shaped window 3 and antenna 1 is not less than 1 millimeter and no more than 1.5 millis
Rice, this parameter can be optimal the transmitting-receiving effect of dual-mode antenna 2.
Preferably, the line width of snakelike cabling 4 is 1 millimeter, at intervals of 1 millimeter between the snakelike cabling.This parameter can be with
It is optimal the transmitting-receiving effect of dual-mode antenna 2.
Preferably, the internal-and external diameter difference of antenna 1 is 19 millimeters, and this parameter can be such that the transmitting-receiving effect of dual-mode antenna 2 reaches most
It is excellent.
Finally it should be noted that：Various embodiments above is only used to illustrate the technical solution of the utility model, rather than it is limited
System；Although being described in detail to the utility model with reference to foregoing embodiments, one of ordinary skill in the art should
Understand：It can still modify to the technical scheme described in foregoing embodiments, or to which part or whole
Technical characteristic carries out equivalent；And these modifications or replacement, the essence of appropriate technical solution is departed from this practicality newly
The scope of each embodiment technical scheme of type, it all should cover in the middle of the scope of claim of the present utility model and specification.
Claims (5)
1. a kind of passive ultra-high frequency RFID circulating electron label, it is characterised in that including：Antenna and chip；The antenna is into band
The annular of one breach, in the antenna, the chip is located on the Axisymmetric Distributed Line of the antenna near institute the integrated chip
State the external diameter side of antenna；
Fan-shaped window, the center of circle of the fan-shaped window and the center of circle of the antenna are provided between the chip and the antenna internal diameter
Overlap, the Axisymmetric Distributed Line of the fan-shaped window overlaps with the Axisymmetric Distributed Line of the antenna；
The antenna is into snakelike cabling.
2. passive ultra-high frequency RFID circulating electron label according to claim 1, it is characterised in that the fan-shaped window
The distance of the external diameter of antenna described in outer span more than the fan-shaped window interior span described in antenna internal diameter distance.
3. passive ultra-high frequency RFID circulating electron label according to claim 2, it is characterised in that the fan-shaped window
Spacing between the external diameter of external diameter and the antenna is not less than 1 millimeter and no more than 1.5 millimeters.
4. passive ultra-high frequency RFID circulating electron label according to claim 1, it is characterised in that the snakelike cabling
Line width is 1 millimeter, at intervals of 1 millimeter between the snakelike cabling.
5. passive ultra-high frequency RFID circulating electron label according to claim 1, it is characterised in that the antenna it is inside and outside
Footpath difference is 19 millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621035682.0U CN206301360U (en) | 2016-08-31 | 2016-08-31 | Passive ultra-high frequency RFID circulating electron label |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621035682.0U CN206301360U (en) | 2016-08-31 | 2016-08-31 | Passive ultra-high frequency RFID circulating electron label |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206301360U true CN206301360U (en) | 2017-07-04 |
Family
ID=59201966
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621035682.0U Active CN206301360U (en) | 2016-08-31 | 2016-08-31 | Passive ultra-high frequency RFID circulating electron label |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206301360U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111191760A (en) * | 2018-11-15 | 2020-05-22 | 广州罗维尼信息科技有限公司 | RFID ultrahigh frequency button label and manufacturing process thereof |
-
2016
- 2016-08-31 CN CN201621035682.0U patent/CN206301360U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111191760A (en) * | 2018-11-15 | 2020-05-22 | 广州罗维尼信息科技有限公司 | RFID ultrahigh frequency button label and manufacturing process thereof |
| CN111191760B (en) * | 2018-11-15 | 2023-04-07 | 广州罗维尼信息科技有限公司 | RFID ultrahigh frequency button label and manufacturing process thereof |
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