CN106299680B - A kind of electromagnetic bandgap structure part, electromagnetic bandgap structure earth plate and antenna - Google Patents
A kind of electromagnetic bandgap structure part, electromagnetic bandgap structure earth plate and antenna Download PDFInfo
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- CN106299680B CN106299680B CN201510324566.4A CN201510324566A CN106299680B CN 106299680 B CN106299680 B CN 106299680B CN 201510324566 A CN201510324566 A CN 201510324566A CN 106299680 B CN106299680 B CN 106299680B
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- 238000000034 method Methods 0.000 description 4
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- 230000015572 biosynthetic process Effects 0.000 description 2
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Abstract
The application provides a kind of electromagnetic bandgap structure part, electromagnetic bandgap structure earth plate and antenna, the electromagnetic bandgap structure part includes: the first device, engraved structure is provided on first device, the first line that engraved structure is formed is the axisymmetric helical structure relative to the first device, and the second route that engraved structure is formed, which encloses, sets first line.Electromagnetic bandgap structure part provided by the present application can be equivalent to several LC oscillation circuits with filter function, so that realizing the purpose for reducing the electromagnetic radiation of terminal device when electromagnetic bandgap structure part provided by the present application is applied to terminal device.
Description
Technical field
This application involves electromagnetic radiation technology fields, more particularly to a kind of electromagnetic bandgap structure part, electromagnetic bandgap structure
Earth plate and antenna.
Background technique
Present people increasingly pay close attention to electromagnetic radiation to the interference of human body and influence, terminal device (especially mobile phone, plate
Deng) be used as routine use tool, daily with people at one's side, so how to reduce the electromagnetic radiation of terminal device, and then drop
The problem of influence of the low electromagnetic to human body, has become more and more important.
Summary of the invention
In view of this, the application provides a kind of electromagnetic bandgap structure part, electromagnetic bandgap structure earth plate and antenna, by
Setting has the electromagnetic bandgap structure part of filter function in terminal device, to realize the mesh for the electromagnetic radiation for reducing terminal device
's.
To achieve the goals above, technical solution provided in an embodiment of the present invention is as follows:
A kind of electromagnetic bandgap structure part, comprising:
First device, engraved structure is provided on first device, and the first line that the engraved structure is formed is phase
For the axisymmetric helical structure of first device, the second route that the engraved structure is formed, which encloses, sets the First Line
Road.
Preferably, further includes:
Second device is provided with dielectric layer between second device and first device；
Electric installation, one end of the electric installation are connect with the center of first device, the other end and described second
Device connection.
Preferably, the electric installation is metal column or sheet metal.
Preferably, second route is axisymmetric second route relative to first device.
Preferably, four helical structures, the rotation of the two neighboring helical structure are at least set on first device
It is contrary.
Preferably, the helical structure is back-shaped structure.
Preferably, second route is the axisymmetric square structure relative to first device.
Preferably, the number at least two of first device.
A kind of electromagnetic bandgap structure earth plate, comprising: electromagnetic bandgap structure part as described above.
A kind of electro-magnetic bandgap antenna, comprising: electromagnetic bandgap structure earth plate as described above.
The application provides a kind of electromagnetic bandgap structure part, electromagnetic bandgap structure earth plate and antenna, the electromagnetic bandgap structure
Part includes: the first device, and engraved structure is provided on first device, and the first line that engraved structure is formed is relative to first
The axisymmetric helical structure of device, the second route that engraved structure is formed, which encloses, sets first line.Electromagnetic belt provided by the present application
Gap structure part can be equivalent to several LC oscillation circuits with filter function, so that by electromagnetic belt provided by the present application
When gap structure part is applied to terminal device, the purpose for reducing the electromagnetic radiation of terminal device is realized.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, 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 embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is a kind of structural schematic diagram for electromagnetic bandgap structure part that the embodiment of the present application one provides；
Fig. 2 is the side diagram for another electromagnetic bandgap structure part that the embodiment of the present application one provides；
Fig. 3 is a kind of antenna structure side view that the embodiment of the present application three provides；
Fig. 4 is another antenna structure side view that the embodiment of the present application three provides.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Embodiment one:
Fig. 1 is a kind of structural schematic diagram for electromagnetic bandgap structure part that the embodiment of the present application one provides.
As shown in Figure 1, the electromagnetic bandgap structure part includes the first device 1, it is provided with engraved structure on first device 1,
And the first line 11 that the engraved structure is formed is the axisymmetric helical structure relative to the first device 1, the engraved structure
The second route 12 formed, which encloses, sets first line 11.
It will be obvious to one with ordinary skill in the art that Fig. 1 is just for the sake of convenient those skilled in the art understand that and drawing
Schematic diagram, the structure of electromagnetic bandgap structure part provided by the embodiment of the present application only needs to meet above-mentioned to electromagnetic bandgap structure
The requirement of part can (such as: the electromagnetic bandgap structure part includes the first device, is provided with engraved structure on the first device, and engrave
The first line that hollow structure is formed is the axisymmetric helical structure relative to the first device, the second route that engraved structure is formed
Enclose and set first line), do not need centainly (such as the application identical with the structure of electromagnetic bandgap structure part provided by Fig. 1
There is provided a kind of electromagnetic bandgap structure part engraved structure formed first line helical structure might not with it is shown in FIG. 1
Helical structure is identical, as long as being ensured of helical structure；In a kind of electromagnetic bandgap structure part provided by the present application
The shape of two routes is also not necessarily identical with the shape of the second route shown in FIG. 1, sets as long as guaranteeing that the second route encloses
First line).
As it can be seen that in the embodiment of the present application, the structure of electromagnetic bandgap structure part as shown in Figure 1 is only that the application is implemented
The preferred embodiment of example, specifically, a kind of structure of electromagnetic bandgap structure part provided by the embodiments of the present application is not limited to and Fig. 1
Shown in electromagnetic bandgap structure part structure it is identical, need to only meet the above-mentioned requirement to electromagnetic bandgap structure can (such as:
The electromagnetic bandgap structure part includes the first device, and engraved structure, and the first of engraved structure formation are provided on the first device
Route is the axisymmetric helical structure relative to the first device, and the second route that engraved structure is formed, which encloses, sets first line), In
This is not construed as limiting.
The application provides a kind of electromagnetic bandgap structure part, electromagnetic bandgap structure earth plate and antenna, the electromagnetic bandgap structure
Part includes: the first device, and engraved structure is provided on first device, and the first line that engraved structure is formed is relative to first
The axisymmetric helical structure of device, the second route that engraved structure is formed, which encloses, sets first line.It is provided by the embodiments of the present application
Electromagnetic bandgap structure part is equivalent to several LC concussion circuits with filter function, and then may make and provide when using the application
Electromagnetic bandgap structure part there is filter action to terminal device when terminal device, and then can realize and to reduce terminal device
The purpose of electromagnetic radiation.
Fig. 2 is the side diagram for another electromagnetic bandgap structure part that the embodiment of the present application one provides.
As shown in Fig. 2, the electromagnetic bandgap structure part includes:
First device 1, the second device 2, dielectric layer 3 and electric installation 4, wherein between the second device 2 and the first device 1
It is provided with dielectric layer 3；One end of electric installation 4 is connect with the center of the first device 1, and the other end is connect with the second device 2.
In the embodiment of the present application, it is preferred that the structure of the first device and a kind of electro-magnetic bandgap knot as shown in Figure 1 above
The structure of the first device in component is identical, specifically refers in a kind of electromagnetic bandgap structure part of above-mentioned offer to the first device
Description, do not repeating herein.
At the center of the first device 1 of another electromagnetic bandgap structure part as shown in Figure 2 provided by the embodiments of the present application
The also settable through-hole for connection conducting device.
Another electromagnetic bandgap structure part as shown in Figure 2 provided by the embodiments of the present application, which can also be equivalent to several, to be had
The LC of filter function shakes circuit, and then may make when using another electro-magnetic bandgap knot as shown in Figure 2 provided by the present application
Component has filter action when terminal device, to terminal device, and then can realize the mesh for reducing the electromagnetic radiation of terminal device
's.
In the embodiment of the present application, it is preferred that electric installation is metal column or sheet metal, and above is only that the application is real
The preferred embodiment of example is applied, the specific manifestation form of electric installation can arbitrarily be arranged according to their own needs, do not make herein by inventor
It limits.
In the embodiment of the present application, it is preferred that the first device is the metal layer of hollow out, that is to say, that can be by the first device
Part is interpreted as the sheet metal of hollow out.
And in the embodiment of the present application, it is preferred that when the first device is metal layer, the use of the first device center is set
In connection conducting device through-hole be metal throuth hole.
Above is only the preferred embodiment of the embodiment of the present application, and the first device can be arbitrarily arranged in inventor according to their own needs
Part, be arranged in the first device center through-hole specific manifestation form, be not limited thereto.
In the embodiment of the present application, it is preferred that the second device is the metal layer of not hollow out, that is to say, that can be by second
The Structure Understanding of device is the sheet metal of not hollow out, and above is only the preferred embodiment of the embodiment of the present application, and inventor can basis
The specific manifestation form of the second device is arbitrarily arranged in the demand of oneself, is not limited thereto.
In the embodiment of the present application, it is preferred that dielectric layer is air layer, and above is only the preferred side of the embodiment of the present application
The specific manifestation form of dielectric layer can arbitrarily be arranged according to their own needs, be not limited thereto by formula, inventor.
In the embodiment of the present application, it is preferred that the second route is axisymmetric second route relative to the first device.
Above is only the preferred embodiment of the embodiment of the present application, and the second line can be arbitrarily arranged in inventor according to their own needs
The structure setting of second route can be e.g. not relative to the axisymmetric structure of the first device, inventor is relating to by the structure on road
And second route structure during only need to guarantee that second route encloses and set first line, about the specific of the second route
Structure is not limited thereto.
In the embodiment of the present application, it is preferred that the axial symmetry relative to the first device are as follows: relative in the first device excessively
The symmetrical and/or longitudinal axis relative to the center for crossing the first device of the horizontal axis of the heart is symmetrical.
Above is only the preferred embodiment of the embodiment of the present application, inventor can arbitrarily be arranged according to their own needs relative to
The axisymmetric concrete mode of first device, is not limited thereto.
Specifically, when the second route is axisymmetric second route relative to the first device, the knot of second route
Structure does not need identical with the structure of the second route shown in FIG. 1, and it is only necessary to be relative to the axial symmetry of the first device
Can, the structure of second route can be arbitrarily arranged in inventor according to their own needs, be not limited thereto.
In the embodiment of the present application, it is preferred that four helical structures, and adjacent two are at least set on the first device
The direction of rotation of helical structure is opposite.
Above is only the preferred embodiment of the embodiment of the present application, about the number of the helical structure on the first device and adjacent
The direction of rotation of helical structure do not need it is certain identical with above-mentioned helical structure shown in Fig. 2 and its direction of rotation,
The first line that need to only guarantee engraved structure formation is the axisymmetric helical structure relative to the first device, specifically,
The rotation side of the number of helical structure and helical structure on the first device can be arbitrarily arranged in inventor according to their own needs
To being not limited thereto.
In the embodiment of the present application, it is preferred that helical structure is back-shaped structure.
In the embodiment of the present application, it is preferred that the structure that route 11 is formed shown in Fig. 1 is become back-shaped knot by us
Structure, the back-shaped structure are only one of helical structure preferred embodiment, and spiral shell can be arbitrarily arranged in inventor according to their own needs
The specific manifestation form for revolving structure, is not limited thereto.
In the embodiment of the present application, it is preferred that the second route is the axisymmetric square structure relative to the first device.
It is only the embodiment of the present application by the axisymmetric square structure that the second route is disposed relative to the first device
Preferred embodiment, in the structured design process of the second route, only need to guarantee that the second route encloses sets first line, and inventor can
The shape of second route is arbitrarily set according to their own needs, is not limited thereto.
In the embodiment of the present application, it is preferred that the number at least two of the first device.
In a kind of electromagnetic bandgap structure part provided by the embodiments of the present application comprising the number of the first device be at least
Two, and each first device in electromagnetic bandgap structure part forms array structure.
Above is only the preferred embodiment of the embodiment of the present application, and electromagnetic belt can be arbitrarily arranged in inventor according to their own needs
The number (number of the first device in electromagnetic bandgap structure part can be 1) of first device in gap structure part, and when electricity
In ultra wide part when the number at least two of the first device, the arrangement mode of each first device is not limited thereto.
The electromagnetic bandgap structure part that the embodiment of the present application one provides can be applied in aerial array, by implementing the application
The electromagnetic bandgap structure part that example one provides is applied between two antennas of aerial array, can effectively reduce the electromagnetism between antenna
Interference.
In the embodiment of the present application, it is preferred that pass through the spacing between the length of the first device of adjusting, the first device, Jie
Material, thickness of dielectric layers, the line width of first line and the length of matter layer, the line width of the second route and length can be realized to the application
The adjustment of the bandwidth of the filtering for the electromagnetic bandgap structure part that embodiment provides, specific adjustment process refer to LC vibration in the prior art
The adjustment principle in circuit is swung, not described in detail herein.
A kind of electromagnetic bandgap structure part provided by the embodiments of the present application is further described by above-mentioned, so that the application
Embodiment provide a kind of electromagnetic bandgap structure part be more clear, completely, be convenient for those skilled in the art understand that.
Embodiment two:
The electromagnetic bandgap structure part that above-described embodiment one provides can also be used in earth plate design, specifically, the application is implemented
A kind of electromagnetic bandgap structure earth plate that example two provides.
A kind of electromagnetic bandgap structure earth plate that the embodiment of the present application two provides includes: the electricity provided such as above-described embodiment one
Ultra wide part.
In the embodiment of the present application, it is preferred that a kind of electro-magnetic bandgap knot as shown in Figure 1 that above-described embodiment one is provided
Component is directly as electromagnetic bandgap structure earth plate.
In the embodiment of the present application, it is preferred that another electromagnetism as shown in Figure 2 that above-described embodiment one can be both provided
Bandgap structure part can also make another electromagnetic bandgap structure part as shown in Figure 2 directly as electromagnetic bandgap structure earth plate
For a part of electromagnetic bandgap structure earth plate, specifically, can be by another electromagnetic bandgap structure part as shown in Figure 2
Two devices connect existing earth plate, and then by existing earth plate and as shown in Figure 2 common group of another electromagnetic bandgap structure part
At electromagnetic bandgap structure earth plate.
Above is only the preferred embodiment of the embodiment of the present application, and electromagnetic belt can be arbitrarily arranged in inventor according to their own needs
Gap structure earth plate concrete composition mode (its only need include the above embodiments of the present application one provide electromagnetic bandgap structure part i.e.
Can), it is not limited thereto.
The application provides a kind of electromagnetic bandgap structure earth plate, includes above-described embodiment in the electromagnetic bandgap structure earth plate
The one electromagnetic bandgap structure part provided, and then the electromagnetic bandgap structure earth plate can be equivalent by electromagnetic bandgap structure part therein
Circuit is shaken in several LC with filter function, and then may make and be grounded when using electromagnetic bandgap structure provided by the present application
Plate has filter action when terminal device, to terminal device, and then can realize the purpose for reducing the electromagnetic radiation of terminal device.
Embodiment three:
The electromagnetic bandgap structure earth plate that above-described embodiment two provides can be used for the design of antenna, specifically, the application is real
A kind of antenna of the offer of example three is provided.
Fig. 3 is a kind of antenna structure side view that the embodiment of the present application three provides；
As shown in figure 3, the antenna includes: antenna radiation unit 21, antenna medium layer 22 and earth plate 23, wherein this connects
Floor 23 is the electromagnetic bandgap structure earth plate that above-described embodiment two provides, and the electromagnetic bandgap structure earth plate is above-mentioned reality
The electromagnetic bandgap structure part as shown in Figure 1 of the offer of example one is provided.
Fig. 4 is another antenna structure side view that the embodiment of the present application three provides；
As shown in figure 4, the antenna includes: antenna radiation unit 31, antenna medium layer 32 and earth plate 33, wherein ground connection
Plate 33 is the electromagnetic bandgap structure earth plate that above-described embodiment two provides, and the electromagnetic bandgap structure earth plate includes above-mentioned reality
The electromagnetic bandgap structure part as shown in Figure 2 of the offer of example one is provided.
Specifically, the earth plate 33 in antenna as shown in Figure 4 is the electromagnetism as shown in Figure 2 that above-described embodiment one provides
Bandgap structure part；Alternatively, the earth plate 33 of antenna as shown in Figure 4 is the electromagnetism as shown in Figure 2 that above-described embodiment one provides
The combination of earth plate is (that is: by the second device in electromagnetic bandgap structure part as shown in Figure 2 in bandgap structure part and existing antenna
After being connect with the earth plate in existing antenna, by the ground connection board group in electromagnetic bandgap structure part and existing antenna as shown in Figure 2
Conjunction forms earth plate 33).
The application provides a kind of antenna, includes the electromagnetic bandgap structure earth plate that above-described embodiment two provides in the antenna,
And the electromagnetic bandgap structure earth plate includes the electromagnetic bandgap structure part that above-described embodiment one provides, and then the antenna passes through it
In electromagnetic bandgap structure part can be equivalent to several LC concussion circuits with filter function, and then may make when using this Shen
The antenna that please be provided has filter action when terminal device, to terminal device, and then can realize the electromagnetism for reducing terminal device
The purpose of radiation.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.For device disclosed in embodiment
For, since it is corresponded to the methods disclosed in the examples, so being described relatively simple, related place is said referring to method part
It is bright.
The above is only the preferred embodiment of the application, make skilled artisans appreciate that or realization the application.It is right
A variety of modifications of these embodiments will be apparent to one skilled in the art, general original as defined herein
Reason can be realized in other embodiments without departing from the spirit or scope of the application.Therefore, the application will not
Be intended to be limited to the embodiments shown herein, and be to fit to it is consistent with the principles and novel features disclosed in this article most
Wide range.
Claims (8)
1. a kind of electromagnetic bandgap structure part characterized by comprising
First device, is provided with engraved structure on first device, the first line that the engraved structure is formed be relative to
The axisymmetric helical structure of first device, the second route that the engraved structure is formed, which encloses, sets the first line, institute
State in first line that symmetrically every partial line routes two and is open in the same direction relative to the horizontal axis at the center of excessively described first device
Helical structure is constituted；
Second device, is provided with dielectric layer between second device and first device, the dielectric layer is air layer；
Electric installation, one end of the electric installation are connect with the center of first device, the other end and second device
Connection, the electric installation are metal column or sheet metal.
2. electromagnetic bandgap structure part according to claim 1, which is characterized in that second route is relative to described the
Axisymmetric second route of one device.
3. electromagnetic bandgap structure part described in -2 any one according to claim 1, which is characterized in that first device up to
Four helical structures are set less, and the direction of rotation of the two neighboring helical structure is opposite.
4. electromagnetic bandgap structure part according to claim 3, which is characterized in that the helical structure is back-shaped structure.
5. electromagnetic bandgap structure part according to claim 4, which is characterized in that second route is relative to described the
The axisymmetric square structure of one device.
6. electromagnetic bandgap structure part according to claim 3, which is characterized in that the number of first device is at least two
It is a.
7. a kind of electromagnetic bandgap structure earth plate characterized by comprising such as above-mentioned as claimed in any one of claims 1 to 6
Electromagnetic bandgap structure part.
8. a kind of electro-magnetic bandgap antenna characterized by comprising such as above-mentioned electromagnetic bandgap structure ground connection as claimed in claim 7
Plate.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510324566.4A CN106299680B (en) | 2015-06-12 | 2015-06-12 | A kind of electromagnetic bandgap structure part, electromagnetic bandgap structure earth plate and antenna |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510324566.4A CN106299680B (en) | 2015-06-12 | 2015-06-12 | A kind of electromagnetic bandgap structure part, electromagnetic bandgap structure earth plate and antenna |
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| CN106299680A CN106299680A (en) | 2017-01-04 |
| CN106299680B true CN106299680B (en) | 2019-10-29 |
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| CN112002967B (en) * | 2020-07-20 | 2021-09-10 | 重庆邮电大学 | Terahertz low-pass angle filter with back-symmetric open square groove |
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| CN102969571A (en) * | 2011-09-01 | 2013-03-13 | 深圳光启高等理工研究院 | Negative permeability metamaterial |
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| US20090027279A1 (en) * | 2006-09-29 | 2009-01-29 | Hyung-Do Choi | Method for reducing electromagnetic field of terminal and terminal having structure for reducing electromagnetic field |
| US8013258B2 (en) * | 2008-06-11 | 2011-09-06 | Mediatek Inc. | Shielding device |
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| CN102969571A (en) * | 2011-09-01 | 2013-03-13 | 深圳光启高等理工研究院 | Negative permeability metamaterial |
| CN102510296A (en) * | 2011-11-09 | 2012-06-20 | 中兴通讯股份有限公司 | Mobile terminal and method for reducing radiation of mobile terminal |
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| "一种新型RSR EBG结构及其在微带天线中的应用";程海荣，史小卫，郭玉春，陈蕾;《2009年全国微波毫米波会议论文集》;20090526;第1381-1384页 * |
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