CN208954131U - A kind of electronic tag - Google Patents
A kind of electronic tag Download PDFInfo
- Publication number
- CN208954131U CN208954131U CN201821844288.0U CN201821844288U CN208954131U CN 208954131 U CN208954131 U CN 208954131U CN 201821844288 U CN201821844288 U CN 201821844288U CN 208954131 U CN208954131 U CN 208954131U
- Authority
- CN
- China
- Prior art keywords
- chip
- metal
- radiation body
- electronic tag
- gap
- 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.)
- Active
Links
Landscapes
- Details Of Aerials (AREA)
Abstract
The utility model provides a kind of electronic tag.The electronic tag of the utility model includes: substrate, and metal radiation body is set on the substrate, and the metal radiation body has a gap structure, and the gap structure is I-shaped；And chip, it is set to the center of the gap structure, the anode of the chip is connect with the metal radiation body of the gap structure side, and the cathode of the chip is connect with the metal radiation body of the gap structure other side.A kind of electronic tag of the utility model, can be used for high dielectric constant, and metal radiation body, gap structure and chip form two closed circuit coils, the radiation resistance for increasing antenna, can be applied to liquid, glass, nearly metal, the high dielectric constants such as cement.
Description
Technical field
The utility model relates to a kind of electronic tags.
Background technique
Radio frequency identification is a kind of non-contact automatic identification technology using radio-frequency technique, have transmission rate fast, Anti-knocking,
The advantages such as high-volume is read, motion process is read, therefore, RFID technique logistics and supply chain management, production planning and control,
It is anti-fake that there is great application potential with each fields such as security control, traffic administration and controls.And the key of RFID label tag performance
It is the performance of RFID label antenna, playing a crucial role in label and reader data communication process is antenna, on the one hand, mark
The chip start-up circuit of label is started to work, and needs to obtain enough energy in the electromagnetic field that reader generates by antenna；Separately
On the one hand, antenna determines communication channel and communication mode between label and reader.Therefore, antenna especially inside tags
The research of antenna just becomes emphasis.
The research direction of RFID label antenna is miniaturization at present, i.e., ultra-thin, and ultrathin antenna on the market, close to gold
Radiation efficiency is low when the high dielectric constants such as category, liquid, is difficult conformal with medium.
Utility model content
The utility model provides a kind of electronic tag, can be applied to liquid, glass, nearly metal, and the high dielectric such as cement is normal
Number medium.
In order to solve the above technical problems, the utility model provides a kind of electronic tag, comprising:
Substrate,
Metal radiation body is set on the substrate, and the metal radiation body has a gap structure, described
Gap structure is I-shaped；
And chip, it is set to the center of the gap structure, anode and the gap structure side of the chip
Metal radiation body connection, the cathode of the chip are connect with the metal radiation body of the gap structure other side.
An embodiment according to the present utility model, the gap structure include:
First gap area, first gap area are a horizontal strip region, and position is the top of gap structure；
Second gap area, second gap area are a vertical stripe region, and position is the middle part of gap structure；
Third gap area, the third gap area are a horizontal strip region, and position is the lower part of gap structure.
Another embodiment according to the present utility model, the chip is located at the center of second gap area, described
The anode of chip is connect by plain conductor with the metal radiation body of second gap area side, and the cathode of the chip is logical
Plain conductor is crossed to connect with the metal radiation body of second gap area other side.
Another embodiment according to the present utility model, including the first closed circuit and the second closed circuit, described first
The path of closed circuit returns to institute for the metal radiation body from the anode of the chip along second gap area edge
State the cathode of chip；
The path of second closed circuit is the anode from the chip along third gap area edge
Metal radiation body returns to the cathode of the chip.
Another embodiment according to the present utility model, the metal of first closed circuit and second closed circuit
Line width is greater than or equal to 1mm.
Another embodiment according to the present utility model, the metal radiation body include the first current collection panel region and the second collection
Electric panel region, the first current collection panel region is the metallic region of the metal radiation body side end in horizontal direction, described
Second current collection panel region is the metallic region of metal radiation body other side end in horizontal direction.
Another embodiment according to the present utility model, the area of the first current collection panel region and the second current collection panel region
Greater than 100mm2。
Another embodiment according to the present utility model, the metal radiation body include metal layer and dielectric layer, the gold
Belong to layer and dielectric layer is stacked gradually on the substrate.
Another embodiment according to the present utility model, the dielectric layer is using glass fiber epoxy resin material or gathers
Ethylene glycol terephthalate material.
The utility model has the beneficial effects that
A kind of electronic tag of the utility model, can be used for high dielectric constant, metal radiation body, gap structure and
Chip forms two closed circuit coils, has the collection capacitance sheet there are two large area in electronic tag two sides, this collection capacitance plate is
Metal, two closed circuit purposes are the radiation resistance of increase antenna, and capacitance sheet purpose is to increase impedance bandwidth, Neng Gouying
For liquid, glass, nearly metal, the high dielectric constants such as cement.
Detailed description of the invention
In order to illustrate more clearly of the technical solution of the utility model embodiment, the utility model embodiment will be retouched below
Attached drawing needed in stating is briefly described, it should be apparent that, the accompanying drawings in the following description is only the utility model
Some embodiments for those of ordinary skill in the art without any creative labor, can be with root
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is a kind of structural schematic diagram of one embodiment of electronic tag of the utility model.
Fig. 2 is a kind of structural schematic diagram of one embodiment of the gap structure 30 of electronic tag of the utility model；
Fig. 3 is a kind of structural schematic diagram of one embodiment of the metal radiation body 20 of electronic tag of the utility model.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
It clearly and completely describes, it is clear that the embodiments are a part of the embodiments of the present invention, rather than whole implementation
Example.Based on the embodiments of the present invention, those of ordinary skill in the art are obtained without creative efforts
The every other embodiment obtained, fall within the protection scope of the utility model.
As shown in figure 1 to 3, the utility model embodiment provides a kind of electronic tag 100 to ginseng, comprising:
Substrate 10,
Metal radiation body 20 is set on the substrate 10, and the metal radiation body 20 has a gap structure 30, described
Gap structure 30 is I-shaped；
And chip 40, it is set to the center of the gap structure 30, anode and the gap structure of the chip 40
The metal radiation body of 30 sides connects, and the metal radiation body of the cathode of the chip 40 and 30 other side of gap structure connects
It connects.
As one for example, the gap structure 30 of the utility model embodiment includes:
First gap area 31, first gap area 31 are a horizontal strip region, and position is the upper of gap structure 30
Portion；
Second gap area 32, second gap area 32 are a vertical stripe region, and position is in gap structure 30
Portion；
Third gap area 33, the third gap area 33 are a horizontal strip region, and position is under gap structure 30
Portion.
As another for example, the chip 40 of the utility model embodiment is located at second gap area 32
Center, the anode of the chip 40 connected by the metal radiation body of plain conductor 50 and 32 side of the second gap area
It connects, the cathode of the chip 40 is connect by plain conductor 50 with the metal radiation body of 32 other side of the second gap area.
As another for example, the utility model embodiment include the first closed circuit and the second closed circuit,
The path of first closed circuit is the metal radiation from the anode of the chip along second gap area edge
Body returns to the cathode of the chip；
The path of second closed circuit is the anode from the chip along third gap area edge
Metal radiation body returns to the cathode of the chip.
As another for example, first closed circuit of the utility model embodiment and described second is closed back
The metal wire on road is wider than or is equal to 1mm.
The electronic tag of the utility model embodiment constitutes two closures by metal radiation body, chip and gap structure
The shape in circuit, closed circuit can be rectangle, ellipse, trapezoidal or its distressed structure, and the first closed circuit a and second is closed
The length for closing the side of circuit b horizontal direction is all larger than the length of third gap area vertical direction, and the number of closed circuit is
Two, closed circuit is for adjusting impedance, when the impedance for the half-wave folded dipole that a circuit generates is about half-wave symmetry idol
Extremely sub four times can form 1 closed circuit for the half-wave folded dipole of 2 oscillator arms, and N root oscillator arms form N-1
Closed circuit, if the electric current in its all oscillator arms is equal, total radiation impedance is about 70N2 ohm, so folded dipole
Higher radiation impedance and radiation efficiency can be obtained when close to metal than common half-wave symmetry dipole.And according to practical core
Piece matching needed for real part resistance can obtain the impedance higher than twice of chip as N=3, when label close to dielectric constant compared with
When high medium, the impedance of label can be reduced, to reach and the closer conjugate impedance match of chip, while two closed circuits
Two current path selections are brought, the change of medium respective frequencies can be reduced.
As another for example, the metal radiation body 20 of the utility model embodiment includes the first current collection section
Domain 21 and the second current collection panel region 22, the first current collection panel region 21 are the metal radiation body side end in horizontal direction
Metallic region, the second current collection panel region 22 be horizontal direction on metal radiation body other side end metal area
Domain.
As another for example, the first current collection panel region 21 of the utility model embodiment and the second collector plate
The area in region 22 is greater than 100mm2。
Two end of metal radiation body of the electronic tag of the utility model embodiment is collector plate, and area is larger, for collecting
Charge, Enhanced Radiation Reduced Blast resistance are closed, while increases its impedance operator by the electric field magnitude of end structure, increases electronics mark to reach
The wide effect of label tape.
As another for example, the metal radiation body 20 of the utility model embodiment includes metal layer 23 and is situated between
Matter layer 24, the metal layer 23 and dielectric layer 24 are stacked gradually on the substrate 10.
As another for example, the dielectric layer 24 of the utility model embodiment uses glass-epoxy
Material or pet material.
The electronic tag of the utility model embodiment can be used for high dielectric constant, metal radiation body, gap structure
Two closed circuit coils are formed with chip, there are two the collection capacitance sheet of large area, this collection capacitance plates for tool in electronic tag two sides
For metal, two closed circuit purposes are to increase the radiation resistance of antenna, and capacitance sheet purpose is to increase impedance bandwidth, this electricity
Subtab can be widely applied to liquid, glass, nearly metal, the high dielectric constants such as cement.
The embodiments of the present invention are described above in conjunction with attached drawing, but the utility model is not limited to
The specific embodiment stated, the above mentioned embodiment is only schematical, rather than restrictive, this field it is common
Technical staff is not departing from the utility model aims and scope of the claimed protection situation under the enlightenment of the utility model
Under, many forms can be also made, are belonged within the protection of the utility model.
Claims (9)
1. a kind of electronic tag characterized by comprising
Substrate,
Metal radiation body is set on the substrate, and the metal radiation body has a gap structure, and the gap structure is work
Font；
And chip, it is set to the center of the gap structure, the anode and the metal of the gap structure side of the chip
Radiator connection, the cathode of the chip are connect with the metal radiation body of the gap structure other side.
2. a kind of electronic tag according to claim 1, which is characterized in that the gap structure includes:
First gap area, first gap area are a horizontal strip region, and position is the top of gap structure；
Second gap area, second gap area are a vertical stripe region, and position is the middle part of gap structure；
Third gap area, the third gap area are a horizontal strip region, and position is the lower part of gap structure.
3. a kind of electronic tag according to claim 2, which is characterized in that the chip is located at second gap area
Center, the anode of the chip is connect by plain conductor with the metal radiation body of second gap area side, described
The cathode of chip is connect by plain conductor with the metal radiation body of second gap area other side.
4. a kind of electronic tag according to claim 3, which is characterized in that be closed back including the first closed circuit and second
Road, the path of first closed circuit are the metal spoke from the anode of the chip along second gap area edge
Beam returns to the cathode of the chip；
The path of second closed circuit is the metal from the anode of the chip along third gap area edge
Radiator returns to the cathode of the chip.
5. a kind of electronic tag according to claim 4, which is characterized in that first closed circuit and described second closes
The metal wire for closing circuit is wider than or is equal to 1mm.
6. a kind of electronic tag according to claim 1, which is characterized in that the metal radiation body includes the first collector plate
Region and the second current collection panel region, the first current collection panel region are the gold of the metal radiation body side end in horizontal direction
Belong to region, the second current collection panel region is the metallic region of metal radiation body other side end in horizontal direction.
7. a kind of electronic tag according to claim 6, which is characterized in that the first current collection panel region and the second current collection
The area of panel region is greater than 100mm2。
8. -7 any a kind of electronic tag according to claim 1, which is characterized in that the metal radiation body includes metal
Layer and dielectric layer, the metal layer and dielectric layer are stacked gradually on the substrate.
9. a kind of electronic tag according to claim 8, which is characterized in that the dielectric layer uses glass fibre epoxy tree
Rouge material or pet material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821844288.0U CN208954131U (en) | 2018-11-09 | 2018-11-09 | A kind of electronic tag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821844288.0U CN208954131U (en) | 2018-11-09 | 2018-11-09 | A kind of electronic tag |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208954131U true CN208954131U (en) | 2019-06-07 |
Family
ID=66744373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821844288.0U Active CN208954131U (en) | 2018-11-09 | 2018-11-09 | A kind of electronic tag |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208954131U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI723800B (en) * | 2020-03-06 | 2021-04-01 | 遠創智慧股份有限公司 | Electronic tag |
-
2018
- 2018-11-09 CN CN201821844288.0U patent/CN208954131U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI723800B (en) * | 2020-03-06 | 2021-04-01 | 遠創智慧股份有限公司 | Electronic tag |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9390367B2 (en) | RFID tag and RFID tag antenna | |
| CN101536251A (en) | Antenna circuit and transponder | |
| CN202205889U (en) | Microwave frequency band RFID (Radio Frequency Identification Device) tag antenna applied to nonmetal surface | |
| CN107408219A (en) | RFID device with multifrequency antenna | |
| CN208954131U (en) | A kind of electronic tag | |
| CN107104267A (en) | A kind of RFID paster antennas of embedded couple feed | |
| CN104253301A (en) | Antenna and electronic tag | |
| CN201191647Y (en) | RFID electronic label antenna having dual T type slot radiation element | |
| CN106374218A (en) | RFID (Radio Frequency Identification) near-field reader-writer antenna | |
| CN104752809A (en) | Radio frequency identification tag antenna | |
| DE10156073B4 (en) | Foil battery for portable data carriers with antenna function | |
| CN104466353B (en) | Ultra-wide band can integrated read-write equipment circuit module uhf band RFID reader antenna | |
| CN103050778B (en) | Radio frequency identification near-field antenna integrated with plane impedance matching balun | |
| CN107230820A (en) | A kind of ultra-high frequency RFID label antenna of T-shaped matching impedance structure | |
| CN108808247A (en) | Near field radio frequency with electrically large sizes identification region identifies antenna | |
| CN207459172U (en) | A kind of UHF anti-metal electronic antenna | |
| CN103489027A (en) | Low-cost ceramic-based radio frequency identification (RFID) tag and manufacturing method thereof | |
| CN204205049U (en) | The conformal Yagi antenna of the micro-band of super high frequency radio frequency identification | |
| CN208299033U (en) | A kind of RFID label antenna applied to label for clothing | |
| CN206224566U (en) | Anti-metal RFID tag and the radio-frequency recognition system including the label | |
| CN208820055U (en) | A kind of antenna | |
| CN102542321B (en) | Novel size reducible ultrahigh frequency_radio frequency identification (UHF_RFID) anti-metal tag and antenna | |
| CN207624910U (en) | A kind of microstrip antenna and vehicle carried electronic label of trap structure | |
| CN201243083Y (en) | Electronic label antenna and electronic label employing the antenna | |
| CN102346867B (en) | Embedded anti-metallic radio frequency identification label |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |