CN206022627U - Passive ultra-high frequency RFID loop aerial - Google Patents
Passive ultra-high frequency RFID loop aerial Download PDFInfo
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- CN206022627U CN206022627U CN201621034163.2U CN201621034163U CN206022627U CN 206022627 U CN206022627 U CN 206022627U CN 201621034163 U CN201621034163 U CN 201621034163U CN 206022627 U CN206022627 U CN 206022627U
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- copper
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- clad plate
- high frequency
- mode antenna
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Abstract
This utility model belongs to intelligent identification technology field, there is provided a kind of passive ultra-high frequency RFID loop aerial.Passive ultra-high frequency RFID loop aerial of the present utility model includes：Copper-clad plate, the copper-clad plate are that annular, the copper-clad plate top layer are provided with dual-mode antenna, and the dual-mode antenna is overlapped into notched annular, the center of circle of the dual-mode antenna with the center of circle of the copper-clad plate.Passive ultra-high frequency RFID loop aerial of the present utility model, Antenna Design is circularized, and to adapt to be blank occasion in the middle of requirement antenna, is that some applications reserve position, while also meeting the related electric index of electronic tag.
Description
Technical field
This utility model is related to technical field of RFID, and in particular to a kind of passive ultra-high frequency RFID loop aerial.
Background technology
Electronic tag (RF identification) UHF RFID (Ultra High Frequency Radio Frequency
Identification) technology, also known as radio frequency identification, is a kind of communication technology, can be recognized by radio signals specific
Target simultaneously reads and writes related data, and without the need for setting up machinery or optical contact between identifying system and specific objective.Radio-frequency antenna is
It is used for the critical component of reading and writing electronic tag, the antenna size having as needed is very big, if length is 1 meter or longer, it
Reception and transmission range can also have some to apply antenna in closely occasion to tens meters, may only reading/writing distance several centimeters with
Interior small size antenna.Common radio-frequency antenna is solid square, but in some particular applications, object is needed through antenna
Center, existing radio-frequency antenna obviously cannot meet this application scenario.
At present, some particular applications, such as the consumptive material fake products such as printer, water purification machine are prevailing, for effectively solving
The anti-pseudo problem of above-mentioned consumptive material, many using bar code, Quick Response Code, telephone service in the market, but due to the presence of above-mentioned technology
Many disadvantages, it is impossible to realize the equipment automatic identification true and false, and for personation consumptive material automatic shutdown function.
Utility model content
For defect of the prior art, this utility model provides passive ultra-high frequency RFID loop aerial, using hollow
Loop configuration, to adapt to special application scenario.
A kind of passive ultra-high frequency RFID loop aerial that this utility model is provided, including：Copper-clad plate, the copper-clad plate are ring
Shape, the copper-clad plate top layer are provided with dual-mode antenna, and the dual-mode antenna is into notched annular, the center of circle of the dual-mode antenna
Overlap with the center of circle of the copper-clad plate.
The passive ultra-high frequency RFID loop aerial that this utility model is provided, Antenna Design is circularized, to adapt to requirement day
It is blank occasion in the middle of line, is that some applications reserve position, while also meeting the related electric index of electronic tag.
Preferably, the copper-clad plate top layer is provided with two ground planes, and the ground plane described is connect into notched annular
The center of circle on stratum is overlapped with the center of circle of the copper-clad plate, and a ground plane is located at the inner side of the dual-mode antenna, another ground connection
Layer is located at the outside of dual-mode antenna, and two ground plane electrical connections, the breach of the ground plane are lacked with the dual-mode antenna
Mouth is corresponding.Ground plane is provided with the interior outside of dual-mode antenna, shield effectiveness can be strengthened, reduce outer bound pair dual-mode antenna
Electromagnetic interference.
Preferably, the whole bottom of the copper-clad plate is set to ground plane, the ground plane of the copper-clad plate bottom with described
Two ground plane connections of copper-clad plate top layer.The bottom of copper-clad plate covers copper all over and is set to ground plane, further enhancing
Shield effectiveness, improves the capacity of resisting disturbance of antenna.
Preferably, the size of the breach of the dual-mode antenna is 4 to 6 millimeters.
Preferably, between the dual-mode antenna and the ground plane at intervals of 3 millimeters.
Description of the drawings
In order to be illustrated more clearly that this utility model specific embodiment or technical scheme of the prior art, below will be right
Needed for specific embodiment or description of the prior art, accompanying drawing to be used is briefly described.In all of the figs, similar
Element or part are typically identified by similar reference.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 loop aerial that Fig. 1 is provided for this utility model embodiment；
The application scenarios schematic diagram of the passive ultra-high frequency RFID loop aerial that Fig. 2 is provided for this utility model embodiment.
In accompanying drawing, 1- copper-clad plates；2- dual-mode antennas；3- ground planes；4- consumptive materials；5- passive ultra-high frequency RFID loop aerials；
6- electronic tags.
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 the technical solution of the utility model is described clearly, example is therefore only used as, and this practicality can not be limited with this
New protection domain.
It should be noted that unless otherwise stated, 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 loop aerial 5 that this utility model embodiment is provided, including：Cover copper
Plate 1, copper-clad plate 1 are that annular, 1 top layer of copper-clad plate are provided with dual-mode antenna 2, the notched annular of 2 one-tenth of dual-mode antenna, dual-mode antenna
2 center of circle is overlapped with the center of circle of copper-clad plate 1.
Passive ultra-high frequency (UHF) the RFID loop aerials that this utility model embodiment is provided, Antenna Design is circularized, with
It is blank occasion in the middle of antenna to adapt to require, is that some applications reserve position, while also meeting the related electric of electronic tag
Index.
Preferably, 1 top layer of copper-clad plate is provided with two ground planes 3, the notched annular of 3 one-tenth of ground plane, the circle of ground plane 3
The heart is overlapped with the center of circle of copper-clad plate 1, and a ground plane 3 is located at the inner side of dual-mode antenna 2, and another ground plane 3 is located at transmitting-receiving day
The outside of line 2, two ground planes 3 electrically connect, and the breach of ground plane 3 is corresponding with the breach of dual-mode antenna 2.In dual-mode antenna 2
Interior outside be provided with ground plane 3, can strengthen shield effectiveness, reduce the electromagnetic interference of outer bound pair dual-mode antenna 2.
Preferably, the whole bottom of copper-clad plate 1 is set to ground plane, the ground plane of 1 bottom of copper-clad plate and 1 top layer of copper-clad plate
Two ground planes 2 connect.The bottom of copper-clad plate 1 covers copper all over and is set to ground plane, further strengthens shield effectiveness,
Improve the capacity of resisting disturbance of antenna.
Preferably, the size of the breach of dual-mode antenna 2 is 4 to 6 millimeters, and this parameter imitates can the transmitting-receiving of dual-mode antenna 2
Fruit is optimal.
Preferably, between dual-mode antenna 2 and ground plane 3 at intervals of 3 millimeters, this parameter can make the receipts of dual-mode antenna 2
Send out effect to be optimal.
The passive ultra-high frequency RFID loop aerial 5 that this utility model embodiment is provided, may be disposed at printer, water purification machine
In, use cooperatively with consumptive materials 4 such as the filter element parts or print cartridge with electronic tag 6, realize 4 true and false of equipment automatic identification consumptive material.
As shown in Fig. 2 consumptive material 4 is all cylindrical shape, cylinder be using face (such as：The filtration mouth or ink-cases of printers ink outlet port of water),
General radio-frequency antenna cannot be installed, and originally be that the passive ultra-high frequency RFID loop aerial 5 of utility model just can be very good to pacify
It is mounted in equipment, and does not affect the normal use of consumptive material 4, does not change the structure of original consumptive material 4.Specifically used method is：By nothing
Source ultrahigh frequency RFID loop aerial 5 is fixed on device interior near one end of 4 built-in electronic tag 6 of consumptive material, when consumptive material 4 dispatches from the factory
One end built-in electronic tag 6 of cylinder, the encrypted electronic password that the packet in electronic tag 6 is implanted into containing 4 genuine of consumptive material are changed
During consumptive material 4, equipment reads the encrypted electronic password in the electronic tag 6 on consumptive material 4 by passive ultra-high frequency RFID loop aerial 5
And verified, only password check is correct, equipment could normal work, such as password not to or be not detected by electronic tag,
Equipment is automatically stopped work, and 4 non-certified products of consumptive material used by the display on-screen report user on the equipment.This utility model embodiment
The passive ultra-high frequency RFID loop aerial 5 of offer, needs to design for special construction, with coupling read-write effect very well, can answer
For the various products with high added value, higher to safety, reliability requirement.
Finally it should be noted that：Various embodiments above is only in order to illustrating the technical solution of the utility model, rather than which is limited
System；Although being described in detail to this utility model with reference to foregoing embodiments, one of ordinary skill in the art should
Understand：Which still can be modified to the technical scheme described in foregoing embodiments, or to which part or whole
Technical characteristic carries out equivalent；And these modifications or replacement, do not make the essence of appropriate technical solution depart from this practicality new
The scope of each embodiment technical scheme of type, which all should be covered in the middle of the scope of claim of the present utility model and description.
Claims (5)
1. a kind of passive ultra-high frequency RFID loop aerial, it is characterised in that include：Copper-clad plate, the copper-clad plate are annular, described
Copper-clad plate top layer is provided with dual-mode antenna, the dual-mode antenna into notched annular, the center of circle of the dual-mode antenna with described
The center of circle of copper-clad plate overlaps.
2. passive ultra-high frequency RFID loop aerial according to claim 1, it is characterised in that the copper-clad plate top layer is arranged
There are two ground planes, the ground plane to overlap into notched annular, the center of circle of the ground plane with the center of circle of the copper-clad plate,
One ground plane is located at the inner side of the dual-mode antenna, and another ground plane is located at the outside of dual-mode antenna, two ground connection
Layer electrical connection, the breach of the ground plane are corresponding with the breach of the dual-mode antenna.
3. passive ultra-high frequency RFID loop aerial according to claim 2, it is characterised in that the whole bottom of the copper-clad plate
Layer is set to ground plane, and the ground plane of the copper-clad plate bottom is connected with two ground planes of the copper-clad plate top layer.
4. passive ultra-high frequency RFID loop aerial according to claim 1 and 2, it is characterised in that the dual-mode antenna
The size of breach is 4 to 6 millimeters.
5. passive ultra-high frequency RFID loop aerial according to claim 2, it is characterised in that the dual-mode antenna with described
Between ground plane at intervals of 3 millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621034163.2U CN206022627U (en) | 2016-08-31 | 2016-08-31 | Passive ultra-high frequency RFID loop aerial |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621034163.2U CN206022627U (en) | 2016-08-31 | 2016-08-31 | Passive ultra-high frequency RFID loop aerial |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206022627U true CN206022627U (en) | 2017-03-15 |
Family
ID=58258554
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621034163.2U Active CN206022627U (en) | 2016-08-31 | 2016-08-31 | Passive ultra-high frequency RFID loop aerial |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206022627U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107394385A (en) * | 2017-08-25 | 2017-11-24 | 昆山法拉第智能科技有限公司 | A kind of UHF anti-metal electronic antenna |
| CN109754053A (en) * | 2018-12-17 | 2019-05-14 | 广东工业大学 | Miniaturization high-gain anti-metal tag antenna based on dielectric resonator |
| CN113644446A (en) * | 2021-08-31 | 2021-11-12 | 维沃移动通信有限公司 | Electronic device |
-
2016
- 2016-08-31 CN CN201621034163.2U patent/CN206022627U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107394385A (en) * | 2017-08-25 | 2017-11-24 | 昆山法拉第智能科技有限公司 | A kind of UHF anti-metal electronic antenna |
| CN109754053A (en) * | 2018-12-17 | 2019-05-14 | 广东工业大学 | Miniaturization high-gain anti-metal tag antenna based on dielectric resonator |
| CN113644446A (en) * | 2021-08-31 | 2021-11-12 | 维沃移动通信有限公司 | Electronic device |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |