CN203574106U - Multi-band antenna device - Google Patents
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- CN203574106U CN203574106U CN201320718586.6U CN201320718586U CN203574106U CN 203574106 U CN203574106 U CN 203574106U CN 201320718586 U CN201320718586 U CN 201320718586U CN 203574106 U CN203574106 U CN 203574106U
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Abstract
The utility model relates to a multi-band antenna device, which mainly comprises a grounding layer, at least one antenna unit and at least one antenna network. One end of the antenna unit is electrically connected with the grounding layer, the other end is electrically connected with the antenna network, and the antenna unit is used for generating at least one first resonance frequency. The antenna network comprises at least one feed-in line and at least one resonance unit, the resonance unit comprises at least one resonance line segment, and the resonance line segment can generate electromagnetic coupling effects with the adjacent grounding layer and can generate at least one second resonance frequency, so that the multi-band antenna device can generate a plurality of different resonant frequencies.
Description
Technical field
The utility model has about a kind of multi-frequency antenna device, can be in order to produce a plurality of different resonance frequencys.
Background technology
Along with the progress of wireless communication technique, radio communication product has been widely used in daily life, and antenna element is one of most important part of radio communication product.Antenna element can take quite large space of radio communication product conventionally, and the volume that the size of how to dwindle antenna product is reduced electronic installation is a very important problem.
Compared to general antenna, microstrip antenna has planar structure, can produce in a large number and conveniently be incorporated into the advantages such as active member or circuit board, thereby by a large amount of various portable electronic products that are applied in, for example mobile phone, intelligent mobile phone, panel computer, notebook computer, global position system GPS (Global Positioning System) or radio frequency identification (RFID).
In order to reduce volume and the weight of portable electronic devices, the multifrequency antenna of general built-in, can select to design with planar inverted-F antenna (Planar Inverted F Antenna, PIFA) or the mode of unipole antenna, and PIFA antenna or unipole antenna can be arranged on the circuit board of portable electronic devices, to reduce the volume that arranges of antenna in portable electronic devices.
But PIFA antenna still has that frequency range is too little, resonance frequency is unstable and need the problems such as manpower assembling, wherein too little the and resonance frequency of frequency range is unstable etc., and problem will directly impact the transmission quality of portable electronic devices.When practical application, PIFA antenna is in order to meet the size of 1/4 λ, and cannot further dwindle the volume of antenna.In addition the antenna of built-in is because the environment more complicated of placing causes antenna to redesign along with the difference of environment.
Utility model content
One of the purpose of this utility model, be to provide a kind of multi-frequency antenna device, mainly comprise a ground plane, at least one antenna element and at least one antenna networking, wherein one end of antenna element is electrically connected ground plane, the other end is electrically connected antenna networking, and in order to produce at least one the first resonance frequency.And antenna networking comprises at least one feed-in circuit and at least one resonance unit, the unit that wherein resonates comprises at least one resonance line segment, this resonance line segment can produce electromagnetic coupled effect with adjacent ground plane, extension apparatus or conductive unit, and produce at least one the second resonance frequency, make multi-frequency antenna device can produce a plurality of different resonance frequencys, and be conducive to improve the scope of application of multi-frequency antenna device.
One of the purpose of this utility model, be to provide a kind of multi-frequency antenna device, it is mainly by changing the wire laying mode at antenna networking, make antenna networking and adjacent ground plane, extension apparatus or conductive unit produce electromagnetic coupled effect, with this, can not increase under the volume of antenna element or multi-frequency antenna device or the prerequisite of cost of manufacture, and make multi-frequency antenna device produce a plurality of different resonance frequencys.
One of the purpose of this utility model, be to provide a kind of multi-frequency antenna device, mainly comprise a ground plane, at least one antenna element and at least one antenna networking, wherein one end of antenna element connects ground plane via the first adjustment element, the other end is adjusted element via antenna networking and second and is connected ground plane, with this, can utilize the first adjustment element and second to adjust impedance and the frequency of element adjustment multi-frequency antenna device.
For achieving the above object, the utility model by the following technical solutions:
A kind of multi-frequency antenna device, comprising: a ground plane, comprises at least one headroom district; At least one antenna element, is positioned at headroom district, and is electrically connected ground plane, in order to produce at least one the first resonance frequency, comprising: a dielectric base material, comprises a first surface and a second surface; Plural conductive layer, is arranged at the surface of dielectric base material, and comprises at least one the first conductive layer and at least one the second conductive layer; One antenna networking, is positioned at headroom district, comprising: at least one feed-in circuit, is electrically connected signal feed side and a ground plane; And at least one resonance unit, being electrically connected antenna element and feed-in circuit, and comprising at least one resonance line segment, resonance line segment is adjacent with partial earthing layer and produce electromagnetic coupled effect, to produce at least one the second resonance frequency.
In addition the utility model also provides another kind of multi-frequency antenna device, comprising: a ground plane, comprises at least one headroom district; At least one antenna element, is positioned at headroom district, and is electrically connected ground plane, in order to produce at least one the first resonance frequency, comprising: a dielectric base material, comprises a first surface and a second surface; Plural conductive layer, is arranged at the surface of dielectric base material, and comprises at least one the first conductive layer and at least one the second conductive layer; One antenna networking, is positioned at headroom district, comprising: at least one feed-in circuit, is electrically connected signal feed side and a ground plane; At least one resonance unit, is electrically connected antenna element and feed-in circuit, and comprises at least one resonance line segment; And a conductive unit, be positioned at headroom district, adjacent with resonance line segment and produce electromagnetic coupled effect, to produce at least one the second resonance frequency.
The utility model also provides another kind of multi-frequency antenna device, comprising: a ground plane, comprises at least one headroom district; At least one antenna element, is positioned at headroom district, and is electrically connected ground plane, in order to produce at least one the first resonance frequency, comprising: a dielectric base material, comprises a first surface and a second surface; Plural conductive layer, is arranged at the surface of dielectric base material, and comprises at least one the first conductive layer and at least one the second conductive layer; One first adjusts element, between ground plane and antenna element, and connects ground plane and antenna element, in order to adjust impedance and the resonance frequency of multifrequency antenna; One antenna networking, is positioned at headroom district, comprising: at least one feed-in circuit, is electrically connected signal feed side and a ground plane; At least one resonance unit, is electrically connected antenna element and feed-in circuit, and comprises at least one resonance line segment, and resonance line segment is adjacent with partial earthing layer and produce electromagnetic coupled effect, to produce at least one the second resonance frequency; And one second adjust element, between feed-in circuit and ground plane, and connect feed-in circuit and ground plane, in order to adjust impedance and the frequency of multifrequency antenna.
In the utility model multi-frequency antenna device one embodiment, the spacing wherein resonating between line segment and adjacent ground plane is between 0.01mm and 3mm.
In the utility model multi-frequency antenna device one embodiment, wherein the spacing between the first resonance line segment and adjacent ground plane is between 0.01mm and 3mm, and the second spacing resonating between line segment and adjacent ground plane is between 0.01mm and 3mm.
In the utility model multi-frequency antenna device one embodiment, wherein ground plane comprises at least one extension apparatus, and extension apparatus is adjacent with the resonance line segment of resonance unit, and the spacing between resonance line segment and extension apparatus is between 0.01mm and 3mm.
In the utility model multi-frequency antenna device one embodiment, wherein in headroom district, a conductive unit is set, the spacing between resonance line segment and conductive unit is between 0.01mm and 3mm.
In the utility model multi-frequency antenna device one embodiment, wherein the first conductive layer of antenna element is arranged at the first surface of dielectric base material and is electrically connected with ground plane, and the second conductive layer is arranged at the second surface of dielectric base material and be electrically connected with the resonance unit at antenna networking, and part the first conductive layer and part the second conductive layer overlapping.
In the utility model multi-frequency antenna device one embodiment, wherein the first conductive layer and the second conductive layer are all arranged at the first surface of dielectric base material, the first conductive layer and the second conductive layer are electrically connected respectively resonance unit and ground plane, and have an interval between the first conductive layer and the second conductive layer.
In the utility model multi-frequency antenna device one embodiment, wherein the first conductive layer and the second conductive layer are all arranged at the first surface of dielectric base material, the first conductive layer connects ground plane via the first adjustment element, the second conductive layer is adjusted element via resonance unit, feed-in circuit and second and is connected ground plane, and has an interval between the first conductive layer and the second conductive layer.
In the utility model multi-frequency antenna device one embodiment, wherein the first conductive layer of antenna element is arranged at the first surface of dielectric base material, and be electrically connected ground plane via the first adjustment element, and the second conductive layer is arranged at the second surface of dielectric base material, and via resonance unit, feed-in circuit and second, adjust element and be electrically connected ground plane, and part the first conductive layer and part the second conductive layer overlapping.
In the utility model multi-frequency antenna device one embodiment, the resonance line segment of unit of wherein resonating comprises one first resonance line segment and one second resonance line segment, adjacent with the subregion of ground plane and produce electromagnetic coupled effect respectively, with in order to produce two the second identical or different resonance frequencys.
In the utility model multi-frequency antenna device one embodiment, wherein the first surface of antenna element is provided with two mutual disjunct the first conductive layers, wherein one first conductive layer is electrically connected the resonance unit at a signal feed side and ground plane and another the first conductive layer electric connection antenna networking, and the subregion of two the first conductive layers is overlapping with the subregion of the second conductive layer of being located at second surface respectively, to produce two the first resonance frequencys.
In the utility model multi-frequency antenna device one embodiment, comprise that a conductive unit is positioned at headroom district, adjacent and produce electromagnetic coupled effect with resonance line segment, to produce one second resonance frequency.
In the utility model multi-frequency antenna device one embodiment, also comprise that one the 3rd adjusts element, connect conductive unit and ground plane, in order to adjust impedance and the resonance frequency of multifrequency antenna.
In the utility model multi-frequency antenna device one embodiment, wherein first adjust element, the second adjustment element and the 3rd adjustment element, comprise at least one electric capacity or at least one inductance or at least one resistance.
The utility model has the advantage of:
Multi-frequency antenna device of the present utility model can produce a plurality of different resonance frequencys.
Accompanying drawing explanation
Fig. 1 is the organigram of the utility model multi-frequency antenna device one embodiment;
Fig. 2 is the schematic perspective view of antenna element one embodiment of the utility model multi-frequency antenna device;
Fig. 3 is the schematic perspective view of the another embodiment of antenna element of the utility model multi-frequency antenna device;
Fig. 4 is the organigram of the another embodiment of the utility model multi-frequency antenna device;
Fig. 5 is the organigram of the another embodiment of the utility model multi-frequency antenna device;
Fig. 6 is the organigram of the another embodiment of the utility model multi-frequency antenna device;
Fig. 7 is the organigram of the another embodiment of the utility model multi-frequency antenna device;
Fig. 8 is the organigram of the another embodiment of the utility model multi-frequency antenna device;
Fig. 9: be the schematic perspective view of the another embodiment of antenna element of the utility model multi-frequency antenna device;
Figure 10 is the organigram of the another embodiment of the utility model multi-frequency antenna device;
Figure 11 is the organigram of the another embodiment of the utility model multi-frequency antenna device;
Figure 12 is the organigram of the another embodiment of the utility model multi-frequency antenna device;
Figure 13 is the organigram of the another embodiment of the utility model multi-frequency antenna device;
Figure 14 is the organigram of the another embodiment of the utility model multi-frequency antenna device;
Figure 15 is the organigram of the another embodiment of the utility model multi-frequency antenna device;
Figure 16 is the organigram of the another embodiment of the utility model multi-frequency antenna device; And
Figure 17 is the organigram of the another embodiment of the utility model multi-frequency antenna device.
Although mode has been described in the drawings embodiment of the present utility model by way of example, and is described in detail it in this article, the utility model has also allowed various modifications and replacement form.Accompanying drawing content of the present utility model can be inequality proportion, accompanying drawing and detailed description thereof are only the exposure of specific pattern, it is not restriction of the present utility model, contrary, in the spirit and scope according to the scope of the claims, modify, impartial member and displacement thereof be all the scope that the utility model is contained.
Embodiment
Referring to shown in Fig. 1, is the organigram of the utility model multi-frequency antenna device one embodiment.As shown in the figure, multi-frequency antenna device 10 described in the utility model mainly comprises an antenna element 11, a ground plane 13 and an antenna networking 15, wherein ground plane 13 comprises at least one headroom district 131, and antenna element 11 is positioned at headroom district 131, and is electrically connected ground plane 13.
In the utility model embodiment, shown in Fig. 2 and Fig. 3, antenna element 11 can be in order to produce at least one the first resonance frequency, and comprise a dielectric base material 12 and plural conductive layer 14, and wherein plural conductive layer 14 is arranged on the surface of dielectric base material 12.
In the utility model embodiment, resonance line segment 1531 be straightway, in the utility model one preferred embodiment, the spacing resonating between line segment 1531 and adjacent ground plane 13, with between 0.01mm to 3mm for better.When practical application, can by change resonate line segment 1531 length, width, area, shape and/or and ground plane 13 between spacing, adjust the second resonance frequency.
In the utility model one embodiment, as shown in Figure 2, the dielectric base material 12 of antenna element 11 comprises a first surface 121 and a second surface 123, and wherein first surface 121 is relative with second surface 123, for example, be upper surface and lower surface.Conductive layer 14 comprises at least one the first conductive layer 141 and at least one the second conductive layer 143, wherein the first conductive layer 141 is arranged on the part first surface 121 of dielectric base material 12, and the second conductive layer 143 is arranged on the part second surface 123 of dielectric base material 12.The first conductive layer 141 can be electrically connected ground plane 13, the second conductive layer 143 connects resonance unit 153, and connect ground plane 13 and a signal feed side 155 via resonance unit 153 and feed-in circuit 151, certainly in different embodiment, also can make the first conductive layer 141 be electrically connected resonance unit 153, the second conductive layers 143 and connect ground plane 13.
The first conductive layer 141 of part is overlapping with the second conductive layer 143 of part, and form an overlay region 142, be positioned at the common capacitor that forms of the first conductive layer 141, the second conductive layer 143 and dielectric base material 12 of overlay region 142, make antenna element 11 be produced the first resonance frequency, also can adjust the first resonance frequency via adjusting the shape, size of the first conductive layer 141 and the second conductive layer 143, overlapping area and/or thickness, the dielectric constant of dielectric base material 12 in addition.
In another embodiment of the utility model, as shown in Figure 3, the dielectric base material 12 of antenna element 11 comprises a first surface 121 and a second surface 123, and wherein first surface 121 is relative with second surface 123, for example, be upper surface and lower surface.Conductive layer 14 comprises one first conductive layer 141 and one second conductive layer 143, and wherein the first conductive layer 141 and the second conductive layer 143 are all arranged at the first surface 121 of dielectric base material 12, and has an interval 16 between the first conductive layer 141 and the second conductive layer 143.The first conductive layer 141 can be electrically connected resonance unit 153, the second conductive layers 143 and be electrically connected ground plane 13, and certainly in different embodiment, the first conductive layer 141 can be electrically connected ground plane 13, the second conductive layers 143 and be electrically connected resonance unit 153.
The common capacitor that forms in the first conductive layer 141, the second conductive layer 143 and in-between interval 16, make antenna element 11 produce the first resonance frequency, also can adjust the first resonance frequency via width or the shape at the shape of adjustment the first conductive layer 141 and the second conductive layer 143, size, interval in addition.
In the utility model embodiment, one end of antenna element 11 can be electrically connected ground plane 13, the first conductive layer 141 of for example antenna element 11 is electrically connected ground plane 13, the other end of antenna element 11 is electrically connected ground plane 13 and signal feed side 155 via antenna networking 15, wherein signal feed side 155 can be electrically connected a signal feed-in line (not shown), and in order to transmit radio-frequency (RF) signal, the second conductive layer 143 of for example antenna element 11 is electrically connected ground plane 13 and signal feed side 155 via antenna networking 15.
Referring to shown in Fig. 4, is the organigram of the another embodiment of the utility model multi-frequency antenna device.As shown in the figure, multi-frequency antenna device 20 described in the utility model mainly comprises an antenna element 11, a ground plane 13 and an antenna networking 25, wherein ground plane 13 comprises a headroom district 131, and antenna element 11 is positioned at headroom district 131, and is electrically connected ground plane 13.
In the utility model embodiment, one end of antenna element 11 can be electrically connected ground plane 13, the first conductive layer 141 of for example antenna element 11 is electrically connected ground plane 13, the other end of antenna element 11 is electrically connected ground plane 13 and signal feed side 255 via antenna networking 25, wherein signal feed side 255 can be electrically connected a signal feed-in line (not shown), and in order to transmit radio-frequency (RF) signal.The second conductive layer 143 of for example antenna element 11 is electrically connected ground plane 13 and signal feed side 255 via antenna networking 25.
In the utility model embodiment, resonance line segment 2531 be straightway, in the utility model one preferred embodiment, the spacing resonating between line segment 2531 and adjacent ground plane 13, with between 0.01mm to 3mm for better.When practical application can by change resonate line segment 2531 length, width, area, shape and/or and ground plane 13 between spacing, adjust the second resonance frequency.
In another embodiment of the utility model, refer to shown in Fig. 5, resonance unit 353 can comprise a resonance line segment 3531 and at least one projection unit 3533.The approximate shape of E of outward appearance of resonance unit 353, resonance line segment 3531 is straightway.
Referring to shown in Fig. 6, is the organigram of the another embodiment of the utility model multi-frequency antenna device.As shown in the figure, multi-frequency antenna device 40 described in the utility model mainly comprises antenna element 11, a ground plane 43 and an antenna networking 45, wherein ground plane 43 comprises a headroom district 431 and an extension apparatus 433, and antenna element 11 is positioned at headroom district 431, and is electrically connected ground plane 43.
In the utility model embodiment, one end of antenna element 11 can be electrically connected ground plane 43, the first conductive layer 141 of for example antenna element 11 is electrically connected ground plane 43, the other end of antenna element 11 connects ground plane 43 and signal feed side 455 via antenna networking 45, wherein signal feed side 455 can be electrically connected a signal feed-in line (not shown), and in order to transmit radio-frequency (RF) signal, the second conductive layer 143 of for example antenna element 11 is electrically connected ground plane 13 and signal feed side 455 via antenna networking 45.
In the utility model embodiment, extension apparatus 433 is electrically connected ground plane 43, and is extended in headroom district 431 by ground plane 43.The outward appearance of resonance unit 453 is tortuous or flexuose shape, and the outward appearance of resonance line segment 4531 is L shaped.In the utility model one preferred embodiment, the spacing between resonance line segment 4531 and adjacent extension apparatus 433, with between 0.01mm to 3mm for better.When practical application, can by change resonate line segment 4531 length, width, area, shape and/or and extension apparatus 433 between spacing, adjust the second resonance frequency.
In another embodiment of the utility model, refer to shown in the 7th figure, the outward appearance of extension apparatus 433 is approximate L shaped, and the resonance line segment 4531 of resonance unit 453 is straightway.
Referring to shown in Fig. 8, is the organigram of the another embodiment of the utility model multi-frequency antenna device.As shown in the figure, multi-frequency antenna device 50 described in the utility model mainly comprises an antenna element 51, a ground plane 53 and an antenna networking 55, and wherein ground plane 53 comprises a headroom district 531, and antenna element 51 is positioned at headroom district 531.
In the utility model embodiment, shown in Fig. 9, antenna element 51 can be in order to produce two the first different resonance frequencys, and comprise a dielectric base material 52 and plural conductive layer 54, and wherein plural conductive layer 54 is arranged on the surface of dielectric base material 52.
The dielectric base material 52 of antenna element 51 comprises a first surface 521 and a second surface 523, and wherein first surface 521 is relative with second surface 523, for example, be upper surface and lower surface.Conductive layer 54 comprises two the first conductive layers 541 and one second conductive layer 543, wherein two the first conductive layers 541 are arranged on the first surface 521 of dielectric base material 52 parts, and two the first conductive layers 541 are not connected, and in existing interval 56, the second conductive layers 543 to be arranged on the second surface 523 of dielectric base material 52 parts between the two.
Two the first conductive layers 541 of part are overlapping with the second conductive layer 543 of part, and form two overlay regions 542, be positioned at the common capacitor that forms of the first conductive layer 541, the second conductive layer 543 and dielectric base material 52 of overlay region 542, make antenna element 51 produce two the first identical or not identical resonance frequencys, also can adjust respectively two the first resonance frequencys via shape, size, the area of overlapping and/or the thickness of dielectric base material 52, the dielectric constant of adjusting two the first conductive layers 541 and the second conductive layer 543 in addition.
Two the first conductive layers 541 are electrically connected respectively signal feed side (5551,5553) and ground plane 53, for example one of them first conductive layer 541 is directly electrically connected the first signal feed side 5551 and ground plane 53, and another first conductive layer 541 is electrically connected the second signal feed side 5553 and ground plane 53 via antenna networking 55 (as resonance unit 553 and feed-in circuit 551).The second conductive layer 543 is electrically connected ground plane 53 via conducting wire 56.
In the utility model embodiment, the spacing between resonance line segment 5531 and the adjacent ground plane 53 of resonance unit 553, with between 0.01mm to 3mm for better.When practical application, can by change resonate line segment 5531 length, width, area, shape and/or and partial earthing layer 53 between spacing, adjust the second resonance frequency.
In the utility model one embodiment, as shown in figure 10, ground plane 53 also can comprise an extension apparatus 533, and extension apparatus 533 is electrically connected ground plane 53, and is extended in headroom district 531 by ground plane 53.The outward appearance of resonance unit 553 is tortuous or flexuose shape, and the outward appearance of resonance line segment 5531 is L shaped.In the utility model one preferred embodiment, the spacing between resonance line segment 5531 and adjacent extension apparatus 533, with between 0.01mm to 3mm for better.When practical application, can by change resonate line segment 5531 length, width, area, shape and/or and extension apparatus 533 between spacing, adjust the size of the second resonance frequency.
In another embodiment of the utility model, shown in Figure 11, the unit 573 that wherein resonates comprises one first resonance line segment 5731 and one second resonance line segment 5733, and ground plane 53 comprises an extension apparatus 533.The first resonance line segment 5731 is adjacent with the extension apparatus 533 of ground plane 53, and form electromagnetic coupled effect with adjacent extension apparatus 533, the second resonance line segment 5733 is adjacent with the ground plane 53 of part, and form electromagnetic coupled effect with adjacent ground plane 53, to produce two the second identical or different resonance frequencys, for example the first resonance line segment 5731 can produce one second resonance frequency with extension apparatus 533, and the second resonance line segment 5733 produces another second resonance frequency with the ground plane 53 of part.In other words, the multi-frequency antenna device 500 shown in Figure 11 can produce four different resonance frequencys, and wherein antenna element 51 is in order to produce two the first different resonance frequencys, and resonance unit 573 can produce two the second different resonance frequencys.
In the utility model one preferred embodiment, the spacing between the first resonance line segment 5731 and adjacent stratum 53, for example, spacing and between the extension apparatus 533 of ground plane, with between 0.01mm to 3mm for better.Spacing between the second resonance line segment 5733 and adjacent stratum 53, with between 0.01mm to 3mm for better.When practical application, can by change the first resonance line segment 5731 length, width, area, shape and/or and the extension apparatus 533 of ground plane 53 between spacing, adjust this corresponding second resonance frequency.And utilize change the second resonance line segment 5733 length, width, area, shape and/or and ground plane 53 between spacing, adjust this corresponding second resonance frequency.
Referring to shown in Figure 12, is the organigram of the another embodiment of the utility model multi-frequency antenna device.As shown in the figure, multi-frequency antenna device 60 described in the utility model mainly comprises an antenna element 11, a ground plane 13, an antenna networking 65 and a conductive unit 67, and wherein ground plane 13 comprises a headroom district 131.Antenna element 11 is positioned at headroom district 131, and conductive unit 67 is for being positioned at a conductor layer in headroom district, and wherein antenna element 11 is electrically connected ground plane 13, and conductive unit 67 is separated with ground plane 13.
In the utility model embodiment, shown in Fig. 2 and Fig. 3, antenna element 11 can be in order to produce at least one the first resonance frequency, and comprise a dielectric base material 12 and plural conductive layer 14, and wherein plural conductive layer 14 is arranged on the surface of dielectric base material 12.
Antenna networking 65 is positioned at headroom district 131, and comprises at least one feed-in circuit 651 and at least one resonance unit 653.Feed-in circuit 651 is electrically connected a signal feed side 655 and ground plane 13, resonance unit 653 is electrically connected antenna element 11 and feed-in circuit 651, makes antenna element 11 to be electrically connected signal feed side 655 and ground plane 13 via resonance unit 653 and feed-in circuit 651.Resonance unit 653 comprises at least one resonance line segment 6531, and the line segment 6531 that wherein resonates is adjacent with conductive unit 67, and forms electromagnetic coupled effect with conductive unit 67, to produce at least one the second resonance frequency.
In the utility model embodiment, resonance line segment 6531 is straightway, and the outward appearance of conductive unit 67 is approximate L shaped, in the utility model one preferred embodiment, spacing between resonance line segment 6531 and adjacent conductive unit 67, with between 0.01mm to 3mm for better.When practical application, can be by change resonate length, width, area, the shape of line segment 6531 and/or conductive unit 67, and/or the spacing between resonance line segment 6531 and conductive unit 67, adjust the second resonance frequency.Certainly in different embodiment, as shown in figure 13, resonance line segment 6531 also can be L-type, and conductive unit 67 is nearly similar C-shaped.
Referring to Figure 14, is the organigram of the another embodiment of the utility model multi-frequency antenna device.As shown in the figure, multi-frequency antenna device 70 described in the utility model mainly comprises an antenna element 11, a ground plane 13 and an antenna networking 75, wherein ground plane 13 comprises a headroom district 131, and antenna element 11 is positioned at headroom district 131, and is electrically connected ground plane 13.
In the utility model embodiment, shown in Fig. 2 and Fig. 3, antenna element 11 can be in order to produce at least one the first resonance frequency, and comprise a dielectric base material 12 and plural conductive layer 14, and wherein plural conductive layer 14 is arranged on the surface of dielectric base material 12.
Antenna networking 75 is positioned at headroom district 131, and comprises at least one feed-in circuit 751 and at least one resonance unit 753.Feed-in circuit 751 is electrically connected a signal feed side 755 and ground plane 13, resonance unit 753 is electrically connected antenna element 11 and feed-in circuit 751, makes antenna element 11 to be electrically connected signal feed side 755 and ground plane 13 via resonance unit 753 and feed-in circuit 751.Resonance unit 753 comprises at least one resonance line segment 7531, and the line segment 7531 that wherein resonates is adjacent with the ground plane 13 of part, and forms electromagnetic coupled effect with adjacent ground plane 13, to produce at least one the second resonance frequency.In the utility model one preferred embodiment, the spacing between resonance line segment 7531 and adjacent ground plane 13, with between 0.01mm to 3mm for better.When practical application, can by change resonate line segment 7531 length, width, area or and partial earthing layer 13 between spacing, adjust the second resonance frequency.
In the utility model one embodiment, also can in headroom district 131, set up a conductive unit 87 with conductivity, between conductive unit 87 and ground plane 13, there is a spacing to be separated, wherein the subregion of conductive unit 87 is adjacent with another resonance line segment 7533 and produce electromagnetic coupled effect, this electromagnetic coupled effect and resonance line segment 7531 and the electromagnetic coupled effect that ground plane 13 produces, interact and common one second resonance frequency that produces.Spacing between resonance line segment 7533 and adjacent conductive unit 87, with between 0.01mm to 3mm for better.
Referring to Figure 15, is the organigram of the another embodiment of the utility model multi-frequency antenna device.As shown in the figure, multi-frequency antenna device 80 described in the utility model mainly comprises an antenna element 11, a ground plane 13, an antenna networking 85 and a conductive unit 87, and wherein ground plane 13 comprises a headroom district 131.Antenna element 11 and conductive unit 87 are all positioned at headroom district 131, the first adjustment element 871 is wherein set between antenna element 11 and ground plane 13, antenna element 11 is electrically connected ground plane 13 via the first adjustment element 871, between conductive unit 87 and ground plane 13, has a gap.
In the utility model embodiment, shown in Fig. 2 and Fig. 3, antenna element 11 can be in order to produce at least one the first resonance frequency, and comprise a dielectric base material 12 and plural conductive layer 14, and wherein plural conductive layer 14 is arranged on the surface of dielectric base material 12.
In the utility model embodiment, resonance line segment 8531 is L-type, and conductive unit 87 is nearly similar C-shaped.In the utility model one preferred embodiment, the spacing between resonance line segment 8531 and adjacent conductive unit 87, with between 0.01mm to 3mm for better.When practical application, can be by change resonate length, width, area, the shape of line segment 8531 and/or conductive unit 87, or the spacing between resonance line segment 8531 and conductive unit 87, adjust the second resonance frequency.
In the utility model embodiment, first adjust element 871, second adjust element 873 can be in order to adjust impedance and the resonance frequency of multi-frequency antenna device 80, for example the first adjustment element 871, the second adjustment element 873 can be electric capacity and/or inductance or resistance, and see through the electric capacity and/or the inductance of different induction value and/or the resistance of different resistance values that use different capacitances, to adjust impedance and the resonance frequency of multi-frequency antenna device 80.
Referring to Figure 16, is the organigram of the another embodiment of the utility model multi-frequency antenna device.As shown in the figure, the embodiment of the present embodiment and Figure 15 is roughly the same, and its discrepancy is mainly between conductive unit 87 and ground plane 13, to arrange the 3rd to adjust element 875, and conductive unit 87 is adjusted element 875 via the 3rd and is electrically connected ground plane 13.The 3rd adjusts element 875 can be electric capacity and/or inductance and/or resistance, and by using electric capacity and/or the inductance of different induction value and/or the resistance of different resistance values of different capacitances, to adjust impedance and the resonance frequency of multi-frequency antenna device 80.
Referring to Figure 17, is the organigram of the another embodiment of the utility model multi-frequency antenna device.As shown in the figure, the embodiment of the present embodiment and Figure 14 is roughly the same, and its discrepancy is mainly in the present embodiment, and multi-frequency antenna device 70 also comprises a plurality of adjustment units 771/773/775.Wherein first adjust element 771 between antenna element 11 and ground plane 13, one end of antenna element 11 can connect ground plane 13 via the first adjustment element 771.Wherein second adjust element 773 between feed-in circuit 751 and ground plane 13, the other end of antenna element 11 is adjusted element 773 via antenna networking 75 and second and is electrically connected ground plane 13.Wherein the 3rd 775 of elements of adjustment are arranged between conductive unit 87 and ground plane 13, and conductive unit 87 is adjusted element 775 via the 3rd and is electrically connected ground plane 13.First adjust element 771, second adjust element 773, the 3rd adjust element 775 can be in order to adjust impedance and the resonance frequency of multi-frequency antenna device 70, for example the first adjustment element 771, the second adjustment element 773, the 3rd are adjusted element 775 and be can be electric capacity and/or inductance and/or resistance, and see through the electric capacity and/or the inductance of different induction value and/or the resistance of different resistance values that use different capacitances, to adjust impedance and the resonance frequency of multi-frequency antenna device 70.
In the connection described in the utility model, refer to direct connection or the connection indirectly between one or more objects or member, for example, can between one or more objects or member, have one or more intermediate links.
Described in the system of specification perhaps, must and the wording such as variation be not restriction of the present utility model.The technical term that specification is used, in order to carry out the description of specific embodiment, is not mainly restriction of the present utility model.Unless had clear and definite explanation in specification, odd number measure word that specification is used (as and this) also can be a plurality of.A mentioned device of for example specification can include the combination of two or more devices, and the material that specification is carried can include the mixing of many kinds of substance.
As described above, it is only preferred embodiment of the present utility model, not be used for limiting the scope that the utility model is implemented, be that all equalizations of doing according to the shape described in the utility model claim scope, structure, feature and spirit change and modify, all should be included in claim of the present utility model.
Claims (20)
1. multi-frequency antenna device, is characterized in that, comprising:
One ground plane, comprises at least one headroom district;
At least one antenna element, is positioned at this headroom district, and is electrically connected this ground plane, in order to produce at least one the first resonance frequency, comprising:
One dielectric base material, comprises a first surface and a second surface;
Plural conductive layer, is arranged at the surface of this dielectric base material, and comprises at least one the first conductive layer and at least one the second conductive layer;
One antenna networking, is positioned at this headroom district, comprising:
At least one feed-in circuit, is electrically connected a signal feed side and this ground plane; And
At least one resonance unit, is electrically connected this antenna element and this feed-in circuit, and comprises at least one resonance line segment, and this resonance line segment is adjacent with this ground plane of part and produce electromagnetic coupled effect, to produce at least one the second resonance frequency.
2. multi-frequency antenna device as claimed in claim 1, is characterized in that, the spacing between described resonance line segment and adjacent described ground plane is between 0.01mm and 3mm.
3. multi-frequency antenna device as claimed in claim 1, it is characterized in that, this of described antenna element the first conductive layer is arranged at the first surface of described dielectric base material, and be electrically connected described ground plane, and described the second conductive layer is arranged at the second surface of described dielectric base material, and be electrically connected the resonance unit at described antenna networking, and described the first conductive layer of part and described the second conductive layer of part overlapping.
4. multi-frequency antenna device as claimed in claim 1, it is characterized in that, described the first conductive layer and described the second conductive layer are all arranged at the first surface of described dielectric base material, described the first conductive layer is connected respectively described resonance unit and described ground plane with described the second conductive layer, and has an interval between described the first conductive layer and described the second conductive layer.
5. multi-frequency antenna device as claimed in claim 1, it is characterized in that, the resonance line segment of described resonance unit comprises one first resonance line segment and one second resonance line segment, adjacent with the subregion of described ground plane and produce electromagnetic coupled effect respectively, to produce two described the second resonance frequencys that frequency is identical or different.
6. multi-frequency antenna device as claimed in claim 5, it is characterized in that, spacing between described the first resonance line segment and adjacent described ground plane is between 0.01mm and 3mm, and the described second spacing resonating between line segment and adjacent described ground plane is between 0.01mm and 3mm.
7. multi-frequency antenna device as claimed in claim 3, it is characterized in that, the first surface of described antenna element is provided with two mutual disjunct the first conductive layers, these two first conductive layers are electrically connected respectively another signal feed side and described resonance unit, and the subregion of these two the first conductive layers is overlapping with the subregion of this second conductive layer of being located at second surface respectively.
8. multi-frequency antenna device as claimed in claim 1, it is characterized in that, described ground plane comprises at least one extension apparatus, and the resonance line segment of this extension apparatus and described resonance unit is adjacent, and the spacing between described resonance line segment and this extension apparatus is between 0.01mm and 3mm.
9. a multi-frequency antenna device, is characterized in that, comprising:
One ground plane, comprises at least one headroom district;
At least one antenna element, is positioned at this headroom district, and is electrically connected this ground plane, in order to produce at least one the first resonance frequency, comprising:
One dielectric base material, comprises a first surface and a second surface;
Plural conductive layer, is arranged at the surface of this dielectric base material, and comprises at least one the first conductive layer and at least one the second conductive layer;
One antenna networking, is positioned at this headroom district, comprising:
At least one feed-in circuit, is electrically connected a signal feed side and this ground plane;
At least one resonance unit, is electrically connected this antenna element and this feed-in circuit, and comprises at least one resonance line segment; And
One conductive unit, is positioned at this headroom district, adjacent with this resonance line segment and produce electromagnetic coupled effect, to produce at least one the second resonance frequency.
10. multi-frequency antenna device as claimed in claim 9, is characterized in that, the spacing between described resonance line segment and described conductive unit is between 0.01mm and 3mm.
11. multi-frequency antenna devices as claimed in claim 9, it is characterized in that, described first conductive layer of described antenna element is arranged at the first surface of described dielectric base material, and be electrically connected described ground plane, and described the second conductive layer is arranged at the second surface of described dielectric base material, and be electrically connected described resonance unit, and described the first conductive layer of part and described the second conductive layer of part overlapping.
12. multi-frequency antenna devices as claimed in claim 9, it is characterized in that, described the first conductive layer and described the second conductive layer are all arranged at the first surface of described dielectric base material, described the first conductive layer is connected respectively described resonance unit and described ground plane with described the second conductive layer, and has an interval between described the first conductive layer and described the second conductive layer.
13. 1 kinds of multi-frequency antenna devices, is characterized in that, comprising:
One ground plane, comprises at least one headroom district;
At least one antenna element, is positioned at this headroom district, and is electrically connected this ground plane, in order to produce at least one the first resonance frequency, comprising:
One dielectric base material, comprises a first surface and a second surface;
Plural conductive layer, is arranged at the surface of this dielectric base material, and comprises at least one the first conductive layer and at least one the second conductive layer;
One first adjusts element, between this ground plane and this antenna element, and connects this ground plane and this antenna element, in order to adjust impedance and the resonance frequency of this multifrequency antenna;
One antenna networking, is positioned at this headroom district, comprising:
At least one feed-in circuit, is electrically connected a signal feed side and this ground plane;
At least one resonance unit, is electrically connected this antenna element and this feed-in circuit, and comprises at least one resonance line segment, and this resonance line segment is adjacent with this ground plane of part and produce electromagnetic coupled effect, to produce at least one the second resonance frequency; And
One second adjusts element, between this feed-in circuit and this ground plane, and connects this feed-in circuit and this ground plane, in order to adjust impedance and the frequency of this multifrequency antenna.
14. multi-frequency antenna devices as claimed in claim 13, is characterized in that, the spacing between described resonance line segment and adjacent described ground plane is between 0.01mm and 3mm.
15. multi-frequency antenna devices as claimed in claim 13, it is characterized in that, described first conductive layer of described antenna element is arranged at the first surface of described dielectric base material, and be electrically connected described ground plane via described the first adjustment element, and described the second conductive layer is arranged at the second surface of described dielectric base material, and via described resonance unit, described feed-in circuit and described second, adjust element and be electrically connected described ground plane, and described the first conductive layer of part and described the second conductive layer of part overlapping.
16. multi-frequency antenna devices as claimed in claim 13, it is characterized in that, described the first conductive layer and described the second conductive layer are all arranged at the first surface of described dielectric base material, described the first conductive layer is adjusted element via described first and is connected described ground plane, described the second conductive layer is adjusted element via described resonance unit, described feed-in circuit and described second and is connected described ground plane, and has an interval between described the first conductive layer and described the second conductive layer.
17. multi-frequency antenna devices as claimed in claim 13, is characterized in that, comprise that a conductive unit is positioned at described headroom district, adjacent with a resonance line segment of described resonance unit and produce electromagnetic coupled effect.
18. multi-frequency antenna devices as claimed in claim 17, is characterized in that, the spacing between described resonance line segment and described conductive unit is between 0.01mm and 3mm.
19. multi-frequency antenna devices as claimed in claim 17, is characterized in that, also comprise that one the 3rd adjusts element, connect described conductive unit and described ground plane, in order to adjust impedance and the resonance frequency of this multifrequency antenna.
20. multi-frequency antenna devices as claimed in claim 19, is characterized in that, described first adjusts element, described second adjusts element and described the 3rd adjustment element, comprises at least one electric capacity, at least one inductance or at least one resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320718586.6U CN203574106U (en) | 2013-11-14 | 2013-11-14 | Multi-band antenna device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320718586.6U CN203574106U (en) | 2013-11-14 | 2013-11-14 | Multi-band antenna device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203574106U true CN203574106U (en) | 2014-04-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320718586.6U Expired - Lifetime CN203574106U (en) | 2013-11-14 | 2013-11-14 | Multi-band antenna device |
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| CN (1) | CN203574106U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105322279A (en) * | 2015-12-01 | 2016-02-10 | 上海安费诺永亿通讯电子有限公司 | Broadband terrestrial radiation antenna and method for effectively improving bandwidth thereof |
-
2013
- 2013-11-14 CN CN201320718586.6U patent/CN203574106U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105322279A (en) * | 2015-12-01 | 2016-02-10 | 上海安费诺永亿通讯电子有限公司 | Broadband terrestrial radiation antenna and method for effectively improving bandwidth thereof |
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Granted publication date: 20140430 |