CN109546289A - The antenna configuration of RFID security door - Google Patents
The antenna configuration of RFID security door Download PDFInfo
- Publication number
- CN109546289A CN109546289A CN201710857237.5A CN201710857237A CN109546289A CN 109546289 A CN109546289 A CN 109546289A CN 201710857237 A CN201710857237 A CN 201710857237A CN 109546289 A CN109546289 A CN 109546289A
- Authority
- CN
- China
- Prior art keywords
- dielectric layer
- security door
- rfid security
- antenna configuration
- sticking patch
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/2208—Supports; Mounting means by structural association with other equipment or articles associated with components used in interrogation type services, i.e. in systems for information exchange between an interrogator/reader and a tag/transponder, e.g. in Radio Frequency Identification [RFID] systems
- H01Q1/2225—Supports; Mounting means by structural association with other equipment or articles associated with components used in interrogation type services, i.e. in systems for information exchange between an interrogator/reader and a tag/transponder, e.g. in Radio Frequency Identification [RFID] systems used in active tags, i.e. provided with its own power source or in passive tags, i.e. deriving power from RF signal
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
- H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/48—Earthing means; Earth screens; Counterpoises
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
Abstract
The present invention provides a kind of antenna configuration of RFID security door, comprising: dielectric layer, sticking patch layer and ground plane；Dielectric layer is a kind of chip component made of dielectric material with curved surface, and dielectric layer includes inner surface and the outer surface relative to the other side, and wherein inner surface refers to the surface of the side of the center of curvature of the dielectric layer towards curved surface；Sticking patch layer is attached at the inner surface of dielectric layer, and sticking patch layer has signal feed-in point；Ground plane is attached at outer surface and the corresponding position of sticking patch layer of dielectric layer；The beneficial effects of the present invention are change the induction angle and directive property of the antenna of RFID security door, suitable for bantam shop or the entrance of sales field, can solve bantam shop or the problem of sales field is not available traditional RFID security door.
Description
Technical field
The present invention relates to a kind of construction of RFID security door, especially a kind of antenna configuration of RFID security door.
Background technique
Electricity is usually all being installed with to monitor and prevent commodity stolen using the market of open shelf at present
Sub- burglary protection system for commodities (Electronic Article Surveillance Systems, EAS Systems), EAS system master
It to be made of three detector (Detector), remover (Deactivator) and electric label (Tag) parts；Known electricity
Sub- burglary protection system for commodities is many kinds of, comprising: magnetic-type system (Magnetic System), radio frequency system (Radio
Frequency System, RF System), electromagnetic wave system (Electromagnetic System) and microwave system
(Microwave System)；Wherein more generally radio frequency system and magnetic-type system.Radio frequency system
Advantage be build it is at low cost, its working principle is that the electric label with receiving antenna is sticked in commodity, wherein number can be stored
The RFID tag (RFID tags) of digital data (such as merchandise news) is exactly one of common applied to antitheft and inventory
The electric label of management.
It is more common in RFID (Radio Frequency Identification) security door that market entrance uses at present
Detector include signal projector and signal receiver, using constantly emitting between transmitting and receiving antenna and receive specific
The radio-frequency signal of frequency range detects the commodity by RFID security door, and the commodity that do not check out are passing through RFID
Security door will trigger alarm, conversely, the commodity checked out, which are completed, would not trigger alarm by RFID security door.
The RFID security door used on the super quotient of intelligence or unmanned shop at present (such as uses the RFID of UHF RFID system
, there are some technical aspects in security door, exactly usual UHF RFID label tag read distance have several meters it is remote.RFID is antitheft
If door using general existing UHF RFID reading antenna, be easy around others with it or the RFID label tag on shelf is all read
Take into so generate malfunction, therefore, traditional RFID security door be difficult to apply to the limited bantam shop in space or nobody
Shop.
Summary of the invention
It is a kind of suitable for the limited bantam shop in space or unmanned quotient technical problem to be solved by the present invention lies in providing
The antenna configuration of the RFID security door in shop.
In order to solve the above technical problems, a kind of embodiment structure of the antenna configuration of RFID security door proposed by the present invention
It makes, comprising: dielectric layer, sticking patch layer and ground plane；Dielectric layer is a kind of piece champion made of dielectric material with curved surface
Part, dielectric layer include inner surface and the outer surface relative to the other side, and wherein inner surface refers to dielectric layer towards curved surface
The center of curvature side surface；Sticking patch layer is attached at the inner surface of dielectric layer, and sticking patch layer has signal feed-in point；Ground connection
Layer is attached at outer surface and the corresponding position of sticking patch layer of dielectric layer.
A kind of embodiment of the antenna configuration of RFID security door proposed by the present invention is patch antenna (patch
antenna)。
Wherein the material of sticking patch layer and ground plane is that copper, aluminium, iron, its alloy and electrically conductive ink are therein any.And it leads
Electric ink includes that silver paste, copper slurry, aluminium paste, carbon slurry and its composite conducting ink are therein any.
The material of its dielectric layer is the foamed plastics such as polyvinyl chloride, polystyrene, polyurethane, Lauxite
(Styrofoam) and above-mentioned tool high dielectric constant it is powder filled foamed plastic it is therein any.
The curved surface of its dielectric layer is parabolic shape.
Its dielectric layer is a kind of chip component of semi-cylindrical.
Its dielectric layer is a kind of chip component of hemisphere face shape.
The beneficial effects of the present invention are change the induction angle and directive property of the antenna of RFID security door, be suitable for small
The entrance in type shop or sales field can solve bantam shop or the problem of sales field is not available traditional RFID security door.
The detailed content of other effects and embodiment for the present invention, cooperation schema are described as follows.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The some embodiments recorded in application, for those of ordinary skill in the art, without creative efforts,
It can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is the structural exploded view of the first embodiment of the antenna of RFID security door of the present invention；
Fig. 2 is the tectonic association figure of the embodiment of Fig. 1；
Fig. 3 is structure profile diagram of the embodiment construction in the position A-A of Fig. 2；
Fig. 4 is the structural map of second of embodiment of the antenna of RFID security door of the present invention；
Fig. 5 is structure profile diagram of the embodiment construction in the position B-B of Fig. 4；
Fig. 6 is the structure profile diagram of the third embodiment of the antenna of RFID security door of the present invention；
Fig. 7 is the application schematic diagram of the antenna of RFID security door of the present invention.
Symbol description
10 dielectric layer, 11 inner surface
12 outer surface, 20 sticking patch layer
21 signal feed-in point, 30 ground plane
The 40 frame C centers of curvature
Specific embodiment
Referring initially to Fig. 1 to Fig. 3, be the first embodiment of the antenna of RFID security door of the present invention structural map and its
Structure profile diagram.A kind of embodiment construction of the antenna configuration of RFID security door proposed by the present invention includes: dielectric layer 10, sticking patch
Layer 20 and ground plane 30.The antenna of RFID security door proposed by the present invention is a kind of patch antenna (patch antenna), is to make
For the signal projector of RFID security door and the antenna of signal receiver.
Dielectric layer 10 is a kind of chip component made of dielectric material with curved surface, and dielectric layer 10 includes inner surface
11 and relative to the other side outer surface 12, wherein inner surface 11 refers to center of curvature C of the dielectric layer 10 towards curved surface
The surface of side；Sticking patch layer 20 is attached at the inner surface 11 of dielectric layer 10, and sticking patch layer 20 has signal feed-in point 21, as hair
The radiation assembly (commonly referred to as patch antenna) of antenna power is penetrated, the shape for the sticking patch layer 20 being painted in Fig. 1 is a kind of square
Shape circular polarized antenna, but not limited to this；Ground plane 30 be attached at dielectric layer 10 outer surface 12 and sticking patch layer 10 it is corresponding
Position, 30 electrical grounding of ground plane (grounding).
The material of its dielectric layer 10 is foamed plastic (Styrofoam), and a kind of tool can be formed by way of molding
There is the chip component of curved surface, the foamed plastic includes: polyvinyl chloride, polystyrene, polyurethane, Lauxite and above-mentioned tool
The powder filled foamed plastic of high dielectric constant is therein any；Wherein the material of sticking patch layer 20 and ground plane 30 be copper, aluminium,
Iron, its alloy and electrically conductive ink are therein any, and wherein electrically conductive ink includes silver paste, copper slurry, aluminium paste, carbon is starched and its is compound
Electrically conductive ink is therein any；Sticking patch layer 20 and ground plane 30 can be attached at using plating, printing or by the way of pasting
The inner surface 11 or outer surface 12 of dielectric layer 10.
In a kind of embodiment that Fig. 1 is painted, dielectric layer 10 is a kind of chip component of semi-cylindrical, such as Fig. 7
The antenna of a kind of application mode being painted, RFID security door of the present invention is installed in frame 40, by the inner surface of dielectric layer 10
The 11 scheduled electromagenetic wave radiation directions of alignment, so that it may change the induction angle and directive property of the antenna of RFID security door, so that
The electromagnetic radiation and range of receiving of antenna are limited in lesser angular range, especially by the electromagnetic radiation of antenna and reception
Scope limitation all would not read the RFID label tag on shelf to enter and generate malfunction in the Vomitory in market or sales field
Make, can solve bantam shop or the problem of sales field is not available traditional RFID security door.
Fig. 4 and Fig. 5 are please referred to, is another embodiment of the invention, dielectric layer 10 is a kind of piece of hemisphere face shape
The very best part；Referring to Fig. 6, being another embodiment of the invention, the curved surface of dielectric layer 10 is (comprising inner surface 11 and outside
Side surface 12) it is parabolic shape.
Embodiment described above and/or embodiment are only the preferred embodiments to illustrate to realize the technology of the present invention
And/or embodiment, not the embodiment of the technology of the present invention is made any form of restriction, any those skilled in the art
Member changes or is modified to other equivalent when can make a little in the range for not departing from technological means disclosed in the content of present invention
Embodiment, but still should be regarded as and the substantially identical technology or embodiment of the present invention.
Claims (8)
1. a kind of antenna configuration of RFID security door, as the signal projector of RFID security door and the antenna of signal receiver,
It is characterized in that, the antenna configuration includes: dielectric layer, sticking patch layer and ground plane；The dielectric layer is made of one kind by dielectric material
The chip component with curved surface, the dielectric layer include inner surface and the outer surface relative to the other side, the inner surface
Refer to the surface of the side of the center of curvature of the dielectric layer towards curved surface；The sticking patch layer is attached at the inside table of the dielectric layer
Face, the sticking patch layer have signal feed-in point；The outer surface that the ground plane is attached at the dielectric layer is corresponding with the sticking patch layer
Position.
2. the antenna configuration of RFID security door as described in claim 1, which is characterized in that the antenna configuration is plate aerial.
3. the antenna configuration of RFID security door as described in claim 1, which is characterized in that the material of the sticking patch layer and the ground plane
It is that copper, aluminium, its alloy and electrically conductive ink are therein any.
4. the antenna configuration of RFID security door as claimed in claim 3, which is characterized in that the electrically conductive ink include silver paste, copper slurry,
Aluminium paste, carbon slurry and its composite conducting ink are therein any.
5. the antenna configuration of RFID security door as described in claim 1, which is characterized in that the material of the dielectric layer includes: polychlorostyrene
The foamed plastics such as ethylene, polystyrene, polyurethane, Lauxite and its have the powder filled foamed plastic of high dielectric constant wherein
It is any.
6. the antenna configuration of RFID security door as described in claim 1, which is characterized in that the curved surface of the dielectric layer is parabola shaped
Shape.
7. the antenna configuration of RFID security door as described in claim 1, which is characterized in that the dielectric layer is a kind of semi-cylindrical
Chip component.
8. the antenna configuration of RFID security door as described in claim 1, which is characterized in that the dielectric layer is a kind of hemisphere face shape
Chip component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710857237.5A CN109546289A (en) | 2017-09-21 | 2017-09-21 | The antenna configuration of RFID security door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710857237.5A CN109546289A (en) | 2017-09-21 | 2017-09-21 | The antenna configuration of RFID security door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109546289A true CN109546289A (en) | 2019-03-29 |
Family
ID=65827477
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710857237.5A Pending CN109546289A (en) | 2017-09-21 | 2017-09-21 | The antenna configuration of RFID security door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109546289A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070241978A1 (en) * | 2006-04-18 | 2007-10-18 | Dajun Cheng | Reconfigurable patch antenna apparatus, systems, and methods |
| CN101657937A (en) * | 2007-04-17 | 2010-02-24 | 凯瑟雷恩工厂两合公司 | RFID-antennen-system |
| CN102054156A (en) * | 2009-10-27 | 2011-05-11 | Ls产电株式会社 | RFID reader |
| CN201845403U (en) * | 2010-08-24 | 2011-05-25 | 上海弗英软件有限公司 | Ultrahigh frequency RFID (radio frequency identification device) intelligent commodity anti-theft channel |
| CN103136824A (en) * | 2011-12-05 | 2013-06-05 | 艾迪讯科技股份有限公司 | Radio frequency identification book management safety door |
| CN207320301U (en) * | 2017-09-21 | 2018-05-04 | 赖中平 | The antenna configuration of RFID antitheft doors |
-
2017
- 2017-09-21 CN CN201710857237.5A patent/CN109546289A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070241978A1 (en) * | 2006-04-18 | 2007-10-18 | Dajun Cheng | Reconfigurable patch antenna apparatus, systems, and methods |
| CN101657937A (en) * | 2007-04-17 | 2010-02-24 | 凯瑟雷恩工厂两合公司 | RFID-antennen-system |
| CN102054156A (en) * | 2009-10-27 | 2011-05-11 | Ls产电株式会社 | RFID reader |
| CN201845403U (en) * | 2010-08-24 | 2011-05-25 | 上海弗英软件有限公司 | Ultrahigh frequency RFID (radio frequency identification device) intelligent commodity anti-theft channel |
| CN103136824A (en) * | 2011-12-05 | 2013-06-05 | 艾迪讯科技股份有限公司 | Radio frequency identification book management safety door |
| CN207320301U (en) * | 2017-09-21 | 2018-05-04 | 赖中平 | The antenna configuration of RFID antitheft doors |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190329 |
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| WD01 | Invention patent application deemed withdrawn after publication |