CN203553362U - Antenna reflecting plate and low profile antenna - Google Patents
Antenna reflecting plate and low profile antenna Download PDFInfo
- Publication number
- CN203553362U CN203553362U CN201320717531.3U CN201320717531U CN203553362U CN 203553362 U CN203553362 U CN 203553362U CN 201320717531 U CN201320717531 U CN 201320717531U CN 203553362 U CN203553362 U CN 203553362U
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- antenna
- reflected plate
- reflecting plate
- conduction geometry
- substrate
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- 239000000463 material Substances 0.000 claims abstract description 45
- 239000000758 substrate Substances 0.000 claims abstract description 29
- 238000010276 construction Methods 0.000 claims description 19
- 230000005855 radiation Effects 0.000 claims description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- -1 ITO Substances 0.000 claims description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 4
- 230000005291 magnetic effect Effects 0.000 claims description 4
- 239000002041 carbon nanotube Substances 0.000 claims description 3
- 229910021393 carbon nanotube Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000003302 ferromagnetic material Substances 0.000 claims description 3
- 229910002804 graphite Inorganic materials 0.000 claims description 3
- 239000010439 graphite Substances 0.000 claims description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 3
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 2
- 239000004411 aluminium Substances 0.000 claims description 2
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 2
- 229910052737 gold Inorganic materials 0.000 claims description 2
- 239000010931 gold Substances 0.000 claims description 2
- 229910052742 iron Inorganic materials 0.000 claims description 2
- 229910052709 silver Inorganic materials 0.000 claims description 2
- 239000004332 silver Substances 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 3
- 239000002131 composite material Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 241000446313 Lamella Species 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000005445 natural material Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000001259 photo etching Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
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Abstract
Provided is an antenna reflecting plate. The antenna reflecting plate comprises at least one meta-material sheet layer. Each meta-material sheet layer comprises a substrate and multiple conductive geometric structures arranged on the substrate in an array; one surface, which is provided with the conductive geometric structures, of the substrate is a reflecting plane of the antenna reflecting plate; the conductive geometric structures comprise two I-shaped structures which are transversely and longitudinally intersected; the intermediate beams of the two I-shaped structures are vertical to each other; and the conductive geometric structures are configured to enable the field intensity superposed by electromagnetic waves reflected through the antenna reflecting plate and electromagnetic waves directly radiated to space by an antenna body to be the highest under the condition that the distance between the antenna reflecting plane and the antenna body is smaller than one quarter of the wavelength of antenna electromagnetic waves. Disclosed is also a low profile antenna. The low profile antenna comprises an antenna body and the antenna reflecting plate, wherein the antenna reflecting plate and the antenna body are in parallel arrangement and are spaced at a certain distance. An antenna employing the antenna reflecting plate can substantially reduce profiles and increase gains.
Description
Technical field
The utility model relates to antenna technology, particularly relates to a kind of antenna-reflected plate and low profile antenna.
Background technology
The antenna body of existing antenna to the electromagnetic wave of reflecting plate radiation after baffle reflection, can superpose with the electromagnetic wave to space radiation, when antenna body and reflecting plate spacing quarter-wave, two electromagnetic wave phase places are identical, the radio field intensity of vertical exit direction is the strongest, for this reason, the relative reflector height of antenna body is confined to fixed wave length, causes the section of antenna higher.
Utility model content
The purpose of this utility model is to overcome the higher problem of prior art antenna section, and a kind of antenna-reflected plate and the low profile antenna with this reflecting plate are provided.
For achieving the above object, the utility model is by the following technical solutions:
A kind of antenna-reflected plate, comprise at least one super sheet of material, each super sheet of material comprises substrate and the array arrangement a plurality of conduction geometries on described substrate, the side that described substrate has described conduction geometry is the reflecting surface of described antenna-reflected plate, described conduction geometry comprises two I-shape constructions of transverse and longitudinal arranged crosswise, the intermediate beam of described two I-shape constructions is mutually vertical, described conduction geometry is configured the spacing of described antenna-reflected plate and antenna body is less than in the quarter-wave situation of antenna electric magnetic wave, the field intensity that electromagnetic wave after the reflection of described antenna-reflected plate and antenna body directly superpose to the electromagnetic wave of space radiation is the strongest.
Further, described substrate is divided into a plurality of super material cell, wherein in each super material cell, is placed with a described conduction geometry.
Further, in described conduction geometry, the top margin of an I-shape construction is not connected with base with the top margin of another I-shape construction mutually with base, is formed on four angle tool square non-enclosed constructions jaggy.
Further, the length of the top margin of described two I-shape constructions, base and intermediate beam is 0～100mm.
Further, described conduction geometry is copper, aluminium, iron, gold, silver, ITO, graphite or carbon nano-tube material.
Further, the live width of described conduction geometry is 0.01mm～10mm.
Further, the length of each super material cell and width are 1mm～150mm.
Further, described substrate is F4B, FR4, pottery, polytetrafluoroethylene, ferroelectric, iron oxygen or ferromagnetic material plate.
An antenna, comprises antenna body and aforementioned any antenna-reflected plate, and described antenna-reflected plate and antenna body be arranged in parallel and keep at a certain distance away.
Further, described antenna is half-wave dipole antenna.
Further, the length of described antenna body is 50mm～500mm, and the area of described antenna-reflected plate is 50mm*50mm～500mm*500mm, and the spacing of described antenna body and described antenna-reflected plate is 2.5mm～25mm.
The utility model adopts super sheet of material as antenna-reflected plate, super sheet of material has unique conduction geometry, by the array of two I-shaped conduction geometries of transverse and longitudinal arranged crosswise is set at antenna-reflected plate, formed super material reflecting plate has high impedance surface characteristic, can significantly strengthen the reflection phase modulation ability to incident electromagnetic wave, control the reflected wave of reflecting plate and the phase difference of incident wave, by conduction geometry, the spacing that antenna-reflected plate is arranged in to antenna-reflected plate and antenna body is less than in quarter-wave situation, the field intensity directly superposeing to the electromagnetic wave of space radiation through the electromagnetic wave after antenna-reflected plate reflection and antenna body is the strongest, thereby best while making antenna body be less than quarter-wave with respect to the height of reflecting plate, can reduce the section of antenna thus.Meanwhile, this antenna-reflected plate also can improve the directivity of electromagenetic wave radiation, and significantly improves the gain of antenna.
Accompanying drawing explanation
Fig. 1 is the super sheet of material structural representation of the individual layer in the utility model embodiment;
Fig. 2 is the super sheet of material structural representation of the multilayer in the utility model embodiment;
Fig. 3 is the schematic diagram of arranging of the conduction geometry in the utility model embodiment;
Fig. 4 and Fig. 5 are the conduction geometry schematic diagram in the utility model embodiment;
Fig. 6 is the half-wave dipole antenna structural representation of the utility model embodiment
Fig. 7 is for being used the reflecting plate of the utility model embodiment and using the antenna of traditional reflective plate at the gain contrast figure of all directions.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is elaborated.Should be emphasized that, following explanation is only exemplary, rather than in order to limit scope of the present utility model and application thereof.
Super material is a kind of artificial composite structure material with the not available extraordinary physical property of natural material, by the ordered arrangement to conduction geometry, can change in space relative dielectric constant and the magnetic permeability of at every.Super material can be realized refractive index, impedance and the wave penetrate capability that common material cannot possess within the specific limits, thereby can effectively control electromagnetic wave propagation characteristic.The super material antenna-reflected plate of the utility model based on conduction geometry, the high impedance surface characteristic of utilizing conduction geometry to bring strengthens the reflection phase modulation ability to incident electromagnetic wave, control the phase difference of reflected wave and incident wave, offset the space quadrature of different profile antennas, make to be less than in quarter-wave situation in the spacing of antenna-reflected plate and antenna body, the field intensity directly superposeing to the electromagnetic wave of space radiation through the electromagnetic wave after antenna-reflected plate reflection and antenna body is the strongest; Meanwhile, can also improve the directivity of electromagenetic wave radiation, improve the gain of antenna.
As depicted in figs. 1 and 2, embodiment of the present utility model provides a kind of antenna-reflected plate, and it comprises at least one super sheet of material 1, and each super sheet of material 1 comprises substrate 10 and the array arrangement conduction geometry 20 on substrate 10.
Fig. 1 take reflecting plate to have a super sheet of material 1 to describe as example.Reflecting plate shown in Fig. 2 has a plurality of super sheet of material 1, and each super sheet of material 1 is along the direction stack perpendicular to lamella, and can be assembled into one by mechanical connection, welding or the mode such as bonding.When actual design, can adopt two substrates, and conduction geometry array arrangement is therein on a substrate, another substrate covers conduction geometry, and conduction geometry is folded between two substrates, can reach the purpose of this utility model equally.For example adopt 3 laminar substrates, two-layer conduction geometry is intervally arranged between 3 laminar substrates.In like manner, adopt 5 laminar substrates, 3 layers of conduction geometry are intervally arranged between 5 laminar substrates.The utility model does not limit the concrete quantity of super sheet of material.Conventionally, in the situation that can meeting performance, a super sheet of material just can be used as super material reflecting plate and uses.The conduction geometry place plane of array arrangement is parallel with electromagnetic Electric and magnetic fields direction, vertical with the incident electromagnetic wave direction of propagation.
As shown in Figure 3, the substrate 10 in super sheet of material 1 can be divided into a plurality of super material cell, is placed with a conduction geometry 20 in each super material cell.The division number of the super material cell shown in figure is only signal, and conduct is not to restriction of the present utility model.
As shown in Fig. 3, Fig. 4 and Fig. 5, in an embodiment of the present utility model, each conduction geometry comprises two I-shape constructions of transverse and longitudinal arranged crosswise, and intermediate beam c, the d of described two I-shape constructions are mutually vertical.Preferably, in described conduction geometry, the top margin of an I-shape construction is not connected with base e, f with the top margin of another I-shape construction mutually with base e, f, forms to be square on the whole but at four angle tool non-enclosed constructions jaggy.Preferably, the length of the top margin of described two I-shape constructions, base e, f and intermediate beam c, d can be 0～100mm, but is less than length/width a, the b of super material cell.I-shape construction consists of the wire with default live width.Described wire is preferably copper wire.Live width wiry can be 0.01mm～10mm.The length a of each super material cell and width b can be 1mm～150mm.
Above-mentioned shape and the live width of conduction geometry make reflecting plate realize the characteristic of high impedance surface, its to electromagnetic reflection phase modulation ability between 0～pi, thereby can utilize this phase modulation ability to reduce the section of antenna.
Numerical value in above embodiment is only example, in actual applications, can adjust according to actual demand, and the utility model is not restricted this.
Super sheet of material can be processed by double-sided copper-clad dielectric-slab.In an embodiment of the present utility model, substrate 10 is made by F4B or FR4 composite material.At substrate, the side towards antenna body is attached on substrate 10 by etched mode conduction geometry 20, and the modes such as the geometry 20 that certainly conducts electricity also can adopt platings, bores quarter, photoetching, electronics quarter or ion quarter are attached on substrate 10.Substrate 10 also can adopt other materials to make, such as pottery, polytetrafluoroethylene, ferroelectric material, ferrite material or ferromagnetic material are made.Conduction geometry 20 adopts copper cash to make, and can certainly adopt the electric conducting materials such as silver-colored line, ITO, graphite or carbon nano-tube to make.
The utility model also provides a kind of antenna, comprises antenna body and antenna-reflected plate as described above, and antenna-reflected plate and antenna body be arranged in parallel and keep at a certain distance away.Antenna can be but be not limited to half-wave dipole antenna.Antenna body can be such as but not limited to plate.The length of antenna body is 50mm～500mm, and the area of antenna-reflected plate is 50mm*50mm～500mm*500mm, and the spacing of antenna body and described antenna-reflected plate is 2.5mm～25mm.As shown in Figure 6, in a specific embodiment, the length I of dipole antenna body is 50mm, and the area of reflecting plate is 50mm*50mm, and the spacing h of antenna body and reflecting plate is 12.5mm, and the electromagenetic wave radiation direction of antenna is as shown in arrow A in figure.The spacing distance of antenna body and reflecting plate can be very little, therefore greatly reduced the section of antenna.As it will be appreciated by those skilled in the art that, antenna also can comprise radiation source, feed element etc. conventionally, and the utility model is not restricted this.Antenna can be but be not limited to WLAN antenna by purposes.
Fig. 7 shows and uses the super material reflecting plate of the utility model embodiment and use the antenna of traditional reflective plate at the antenna direction plus comparison diagram of all directions, gain when dotted line 1 represents to use traditional metal reflecting plate, gain when solid line 2 represents to use the super material reflecting plate of the utility model.As can be seen from the comparison result, adopt the super material reflecting plate of the utility model embodiment, the gain of antenna has also obtained obvious lifting.
Above content is in conjunction with concrete preferred implementation further detailed description of the utility model, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, without departing from the concept of the premise utility, can also make some simple deduction or replace, all should be considered as belonging to protection range of the present utility model.
Claims (11)
1. an antenna-reflected plate, it is characterized in that, comprise at least one super sheet of material, each super sheet of material comprises substrate and the array arrangement a plurality of conduction geometries on described substrate, the side that described substrate has described conduction geometry is the reflecting surface of described antenna-reflected plate, described conduction geometry comprises two I-shape constructions of transverse and longitudinal arranged crosswise, the intermediate beam of described two I-shape constructions is mutually vertical, described conduction geometry is configured the spacing making at described antenna-reflected plate and antenna body and is less than in the quarter-wave situation of antenna electric magnetic wave, the field intensity that electromagnetic wave after the reflection of described antenna-reflected plate and antenna body directly superpose to the electromagnetic wave of space radiation is the strongest.
2. antenna-reflected plate according to claim 1, is characterized in that, described substrate is divided into a plurality of super material cell, wherein in each super material cell, is placed with a described conduction geometry.
3. antenna-reflected plate according to claim 1, it is characterized in that, in described conduction geometry, the top margin of an I-shape construction is not connected with base with the top margin of another I-shape construction mutually with base, is formed on four angle tool square non-enclosed constructions jaggy.
4. antenna-reflected plate according to claim 3, is characterized in that, the length of the top margin of described two I-shape constructions, base and intermediate beam is 0～100mm.
5. antenna-reflected plate according to claim 1, is characterized in that, described conduction geometry is copper, aluminium, iron, gold, silver, ITO, graphite or carbon nano-tube material.
6. antenna-reflected plate according to claim 5, is characterized in that, the live width of described conduction geometry is 0.01mm～10mm.
7. according to the antenna-reflected plate described in claim 1 to 6 any one, it is characterized in that, the length of each super material cell and width are 1mm～150mm.
8. according to the antenna-reflected plate described in claim 1 to 6 any one, it is characterized in that, described substrate is F4B, FR4, pottery, polytetrafluoroethylene, ferroelectric, iron oxygen or ferromagnetic material plate.
9. a low profile antenna, is characterized in that, comprises antenna body and the antenna-reflected plate as described in claim 1～8 any one, and described antenna-reflected plate and antenna body be arranged in parallel and keep at a certain distance away.
10. low profile antenna according to claim 9, is characterized in that, described antenna is half-wave dipole antenna.
11. low profile antennas according to claim 10, it is characterized in that, the length of described antenna body is 50mm～500mm, and the area of described antenna-reflected plate is 50mm*50mm～500mm*500mm, and the spacing of described antenna body and described antenna-reflected plate is 2.5mm～25mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320717531.3U CN203553362U (en) | 2013-11-13 | 2013-11-13 | Antenna reflecting plate and low profile antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320717531.3U CN203553362U (en) | 2013-11-13 | 2013-11-13 | Antenna reflecting plate and low profile antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203553362U true CN203553362U (en) | 2014-04-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320717531.3U Expired - Lifetime CN203553362U (en) | 2013-11-13 | 2013-11-13 | Antenna reflecting plate and low profile antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203553362U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104638378A (en) * | 2013-11-13 | 2015-05-20 | 深圳光启创新技术有限公司 | Antenna baffle board and low-profile antenna |
| CN113991300A (en) * | 2021-12-28 | 2022-01-28 | 成都频岢微电子有限公司 | Double-layer transmission array antenna based on Yelu cold cross and implementation method thereof |
-
2013
- 2013-11-13 CN CN201320717531.3U patent/CN203553362U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104638378A (en) * | 2013-11-13 | 2015-05-20 | 深圳光启创新技术有限公司 | Antenna baffle board and low-profile antenna |
| CN113991300A (en) * | 2021-12-28 | 2022-01-28 | 成都频岢微电子有限公司 | Double-layer transmission array antenna based on Yelu cold cross and implementation method thereof |
| CN113991300B (en) * | 2021-12-28 | 2022-05-10 | 成都频岢微电子有限公司 | Double-layer transmission array antenna based on Yelu scattering cross and implementation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140416 |