CN202797297U - Dual-polarized dipole antenna array - Google Patents
Dual-polarized dipole antenna array Download PDFInfo
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- CN202797297U CN202797297U CN 201220356213 CN201220356213U CN202797297U CN 202797297 U CN202797297 U CN 202797297U CN 201220356213 CN201220356213 CN 201220356213 CN 201220356213 U CN201220356213 U CN 201220356213U CN 202797297 U CN202797297 U CN 202797297U
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Abstract
A dual-polarized dipole antenna array includes a grounding plane, a first polarized dipole array unit and a second polarized dipole array unit. Besides a grounding network and a feed-in network, the first polarized dipole array unit further comprises eight first radiation portions and eight second radiation portions. Each first radiation portion and each second radiation portion respectively extend along a direction opposite to a first polarized axial direction so as to form a first polarized dipole antenna. The second polarized dipole array unit located above the first polarized dipole array unit includes eight third radiation portions and eight fourth radiation portions. Each third radiation portion and each fourth radiation portion respectively extend along a direction opposite to a second polarized axial direction so as to form a second polarized dipole antenna. Adjacent first polarized dipole antennas and adjacent second polarized dipole antennas form a square projection on a plane which is parallel to the grounding plane. The dual-polarized dipole antenna array of the utility model has the advantages of simple structure, low manufacturing cost and capability of transmitting and receiving two mutually-perpendicular strips of electromagnetic waves in polarization directions.
Description
Technical field
The utility model relates to antenna, particularly relates to the dual-polarized dipole array antenna row of antenna.
Background technology
Antenna is element commonly used in the wireless communication field, and antenna is in order to receive or to send electromagnetic wave.In the situation of now radio-frequency technique prosperity, the antenna requirements that is applied to wireless network grows with each passing day.The technology that wireless network is commonly used is multiple-input and multiple-output (MIMO) technology, and MIMO technique can utilize many antennas to carry out transfer of data.Yet, in the design of antenna, utilize the electromagnetic characteristics of different polarization and polarization orthogonal to increase transmission usefulness.Therefore, the space that still makes further progress of the design of antenna.
The utility model content
The utility model embodiment provides a kind of dual-polarized dipole array antenna row, in order to receive/to send the electromagnetic wave of the polarised direction that is perpendicular to one another.
The utility model embodiment provides a kind of dual-polarized dipole array antenna row, and it comprises ground plane, the first polarized dipole and electrical array element and the second polarized dipole and electrical array element.The first polarized dipole and electrical array element comprises the first ground networks, the first feed-in network, eight the first Departments of Radiation and eight the second Departments of Radiation.The first ground networks is arranged on the top that is positioned at ground plane and first plane parallel with ground plane, and the first ground networks has the first earth terminal and eight the first earthing conductors.The first feed-in network settings are on the top that is positioned at the first ground networks and second plane parallel with ground plane, and the first feed-in network has the first feed side and eight the first feed-in conductors.Eight the first Departments of Radiation are positioned on the second plane, and eight the first Departments of Radiation are connected with eight the first feed-in conductors respectively.Eight the second Departments of Radiation are positioned on the first plane, and eight the second Departments of Radiation are connected with eight the first earthing conductors respectively.Each first Department of Radiation and each the second Department of Radiation extend along the rightabout that the first polaxis makes progress respectively, and each second Department of Radiation and each the first Department of Radiation form the first polarized dipole and electrical antenna.The second polarized dipole and electrical array element comprises the second ground networks, the second feed-in network, eight the 3rd Departments of Radiation and eight the 4th Departments of Radiation.The second ground networks is arranged on the top that is positioned at the first feed-in network and the 3rd plane parallel with ground plane, and the second ground networks has the second earth terminal and eight the second earthing conductors.The second feed-in network settings are on the top that is positioned at the second ground networks and Siping City face parallel with ground plane, and the second feed-in network has the second feed side and eight the second feed-in conductors.Eight the 3rd Departments of Radiation are positioned on Siping City's face, and eight the 3rd Departments of Radiation are connected with eight the second feed-in conductors respectively.Eight the 4th Departments of Radiation are positioned on the 3rd plane, and eight the 4th Departments of Radiation are connected with eight the second earthing conductors respectively.Each extends along the rightabout that the second polaxis makes progress respectively in eight each and every one the 3rd Departments of Radiation each and eight the 4th Departments of Radiation, and each forms the second polarized dipole and electrical antenna in each and eight the 4th Departments of Radiation in eight the 3rd Departments of Radiation.The polarised direction of each the first polarized dipole and electrical antenna is perpendicular to one another with the polarised direction of each the second polarized dipole and electrical antenna and with first frequency operation, and adjacent two the first polarized dipole and electrical antennas and adjacent two the second polarized dipole and electrical antennas are at plane formation one dimetric projection parallel with ground plane.
Further, the distance between the first adjacent polarized dipole and electrical antenna is less than the corresponding wavelength of first frequency, and the distance between the second adjacent polarized dipole and electrical antenna is less than the corresponding wavelength of first frequency.
Further, first frequency is between 4.9GHz and 5.9GHz.
The utility model embodiment provides a kind of dual-polarized dipole array antenna row, comprises ground plane, first substrate, second substrate, the first polarized dipole and electrical array element and the second polarized dipole and electrical array element.First substrate be set in parallel in ground plane the top and with ground plane interval the first predeterminable range.Second substrate be set in parallel in first substrate the top and with first substrate interval the second predeterminable range.The first polarized dipole and electrical array element comprises the first feed-in network, the first ground networks, eight the first Departments of Radiation and eight the second Departments of Radiation.The first feed-in network has the first feed side and eight the first feed-in conductors, and the first feed-in network settings are in the upper surface of first substrate.The first ground networks has the first earth terminal and eight the first earthing conductors, and the first ground networks is arranged at the lower surface of first substrate.Eight the first Departments of Radiation are arranged at the upper surface of first substrate, and eight the first Departments of Radiation are connected with eight the first feed-in conductors respectively.Eight the second Departments of Radiation are arranged at the lower surface of first substrate, and eight the second Departments of Radiation are connected with eight the first earthing conductors respectively.Each first Department of Radiation and each the second Department of Radiation extend along the rightabout that the first polaxis makes progress respectively, and each second Department of Radiation and each the first Department of Radiation form one first polarized dipole and electrical antenna.The second polarized dipole and electrical array element comprises the second feed-in network, the second ground networks, eight the 3rd Departments of Radiation and eight the 4th Departments of Radiation.The second feed-in network has the second feed side and eight the second feed-in conductors, and the second feed-in network settings are in the upper surface of second substrate.The second ground networks has the second earth terminal and eight the second earthing conductors, and the second ground networks is arranged at the lower surface of second substrate.Eight the 3rd Departments of Radiation are arranged at the upper surface of second substrate, and eight the 3rd Departments of Radiation are connected with eight the second feed-in conductors respectively.Eight the 4th Departments of Radiation are arranged at the lower surface of second substrate, and eight the 4th Departments of Radiation are connected with eight the second earthing conductors respectively.Each the 3rd Department of Radiation and each the 4th Department of Radiation extend along the rightabout that the second polaxis makes progress respectively, and each the 4th Department of Radiation and each the 3rd Department of Radiation form the second polarized dipole and electrical antenna.The polarised direction of described the first polarized dipole and electrical antenna is perpendicular to one another with the polarised direction of described the second polarized dipole and electrical antenna and with first frequency operation, and adjacent two the first polarized dipole and electrical antennas and adjacent two the second polarized dipole and electrical antennas are at plane formation one dimetric projection parallel with ground plane.
Further, the distance between the first adjacent polarized dipole and electrical antenna is less than the corresponding wavelength of first frequency, and the distance between the second adjacent dipole polarization antenna is less than the corresponding wavelength of first frequency.
Further, first substrate and=position and the distance between the ground plane at 1/2nd places of distance between the second substrate is the quarter-wave of first frequency.
Further, first frequency is between 4.9GHz and 5.9GHz.
In addition, the utility model embodiment also provides a kind of dual-polarized dipole array antenna row, described dual-polarized dipole array antenna row have counter element-ground plane, first substrate, second substrate, the first polarized dipole and electrical array element and the second polarized dipole and electrical array element of above-mentioned dual-polarized dipole array antenna row, and wherein the first polarized dipole and electrical array element and the second polarized dipole and electrical array element are a plurality of.Described dual-polarized dipole array antenna row also have the first feed-in element and the second feed-in element.The feed side of the first feed-in element is connected with the first feed side of the first feed-in network, and the earth terminal of the first feed-in element is connected with the first earth terminal of the first ground networks.The feed side of the second feed-in element is connected with the second feed side of the second feed-in network, and the earth terminal of the second feed-in element is connected with the second earth terminal of the second ground networks.The polarised direction of the first polarized dipole and electrical antenna is perpendicular to one another with the polarised direction of the second polarized dipole and electrical antenna, the first polarized dipole and electrical antenna and the second polarized dipole and electrical antenna operate with a first frequency, and adjacent two the first polarized dipole and electrical antennas and two adjacent the second polarized dipole and electrical antennas form a dimetric projection on the plane parallel with ground plane.
Further, the distance between the first adjacent polarized dipole and electrical antenna is less than the corresponding wavelength of first frequency, and the distance between the second adjacent dipole polarization antenna is less than the corresponding wavelength of first frequency.
Further, the position at 1/2nd places of the distance between first substrate and the second substrate and the distance between the ground plane are the quarter-wave of first frequency.
In sum, it is simple in structure that the dual-polarized dipole array antenna that the utility model embodiment provides is listed as, and cost of manufacture is cheap, can receive and dispatch the electromagnetic wave of two polarised directions that are perpendicular to one another.
For enabling further to understand feature of the present utility model and technology contents, see also following about detailed description of the present utility model and accompanying drawing, but these explanations and appended graphic the utility model that only is used for illustrating, but not claim scope of the present utility model is done any restriction.
Description of drawings
Figure 1A is the schematic diagram of the dual-polarized dipole array antenna row of the utility model embodiment.
Figure 1B is the front explosive view of the dual-polarized dipole array antenna row of the utility model embodiment.
Fig. 1 C is the back side explosive view of the dual-polarized dipole array antenna row of the utility model embodiment.
Fig. 2 A is the front schematic view of the second polarized dipole and electrical array element of the dual-polarized dipole array antenna row of the utility model embodiment.
Fig. 2 B is the schematic rear view of the second polarized dipole and electrical array element of the dual-polarized dipole array antenna row of the utility model embodiment.
Fig. 3 A is the front schematic view of the first polarized dipole and electrical array element of the dual-polarized dipole array antenna row of the utility model embodiment.
Fig. 3 B is the schematic rear view of the first polarized dipole and electrical array element of the dual-polarized dipole array antenna row of the utility model embodiment.
Fig. 3 C is adjacent two the first polarized dipole and electrical antennas of the utility model embodiment and the schematic diagram that adjacent two the second polarized dipole and electrical antennas form a dimetric projection.
Fig. 4 A is the schematic diagram of the dual-polarized dipole array antenna row of another embodiment of the utility model.
Fig. 4 B is the front explosive view of the dual-polarized dipole array antenna row of another embodiment of the utility model.
Fig. 4 C is the back side explosive view of the dual-polarized dipole array antenna row of another embodiment of the utility model.
Fig. 5 A is the front schematic view of the second polarized dipole and electrical array element of the dual-polarized dipole array antenna row of another embodiment of the utility model.
Fig. 5 B is the schematic rear view of the second polarized dipole and electrical array element of the dual-polarized dipole array antenna row of another embodiment of the utility model.
Fig. 6 A is the front schematic view of the first polarized dipole and electrical array element of the dual-polarized dipole array antenna row of another embodiment of the utility model.
Fig. 6 B is the schematic rear view of the first polarized dipole and electrical array element of the dual-polarized dipole array antenna row of another embodiment of the utility model.
Fig. 7 is that the voltage standing wave ratio of dual-polarized dipole array antenna row of another embodiment of the utility model is along with the oscillogram of frequency change.
Fig. 8 A is the radiation pattern figure on the H plane of the first polarized dipole and electrical array element of the dual-polarized dipole array antenna row of another embodiment of the utility model.
Fig. 8 B is the radiation pattern figure on the V plane of the first polarized dipole and electrical array element of the dual-polarized dipole array antenna row of another embodiment of the utility model.
Fig. 8 C is the radiation pattern figure on the H plane of the second polarized dipole and electrical array element of the dual-polarized dipole array antenna row of another embodiment of the utility model.
Fig. 8 D is the radiation pattern figure on the V plane of the second polarized dipole and electrical array element of the dual-polarized dipole array antenna row of another embodiment of the utility model.
[main element symbol description]
1,2: the dual-polarized dipole array antenna row
10,20: ground plane
11,21: first substrate
12,22: second substrate
PA, PA ': the first polarized dipole and electrical array element
13,23: the first ground networks
131,231: the first earth terminals
132,232: the first earthing conductors
14,24: the first feed-in networks
141,241: the first feed sides
142,242: the first feed-in conductors
15,25: the first polarized dipole and electrical antennas
151,251: the first Departments of Radiation
152,252: the second Departments of Radiation
PB, PB ': the second polarized dipole and electrical array element
16,26: the second ground networks
161,261: the second earth terminals
162,262: the second earthing conductors
17,27: the second feed-in networks
171,271: the second feed sides
172,272: the second feed-in conductors
18,28: the second polarized dipole and electrical antennas
181,281: the three Departments of Radiation
182,282: the four Departments of Radiation
291: the first feed-in elements
292: the second feed-in elements
Embodiment
(embodiment of dual-polarized dipole array antenna row)
Please be simultaneously with reference to Figure 1A, Figure 1B, Fig. 1 C, Figure 1A is the schematic diagram of the dual-polarized dipole array antenna row of the utility model embodiment.Figure 1B is the front explosive view of the dual-polarized dipole array antenna row of the utility model embodiment.Fig. 1 C is the back side explosive view of the dual-polarized dipole array antenna row of the utility model embodiment.Before the thin section component structure of explanation present embodiment, the general configuration of the dual-polarized dipole array antenna row of present embodiment is described first.The dual-polarized dipole array antenna row 1 of present embodiment can comprise ground plane 10, first substrate 11, second substrate 12 and thin section's feed-in network (or ground networks) and Department of Radiation.First substrate 11 all has feed-in network (or ground networks) and Department of Radiation with the upper and lower surface of second substrate 12.Detailed part please refer to following further specifying.
Please refer to Fig. 2 A, Fig. 2 B, Fig. 3 A and Fig. 3 B, Fig. 2 A is the front schematic view of the second polarized dipole and electrical array element of the dual-polarized dipole array antenna row of the utility model embodiment.Fig. 2 B is the schematic rear view of the second polarized dipole and electrical array element of the dual-polarized dipole array antenna row of the utility model embodiment.Fig. 3 A is the front schematic view of the first polarized dipole and electrical array element of the dual-polarized dipole array antenna row of the utility model embodiment.Fig. 3 B is the schematic rear view of the first polarized dipole and electrical array element of the dual-polarized dipole array antenna row of the utility model embodiment.It comprises ground plane 10, first substrate 11, second substrate 12, the first polarized dipole and electrical array element PA and the second polarized dipole and electrical array element PB dual-polarized dipole array antenna row 1.The first polarized dipole and electrical array element PA comprises the first ground networks 13, the first feed-in network 14, eight the first Departments of Radiation 151 and eight the second Departments of Radiation 152.The second polarized dipole and electrical array element PB comprises the second ground networks 16, the second feed-in network 17, eight the 3rd Departments of Radiation 181 and eight the 4th Departments of Radiation 182.
It is worth mentioning that the lower explanation mode that regards to the dual-polarized dipole array antenna row 1 of present embodiment is the first polarized dipole and electrical array element PA that narrates first near ground plane 10, put off until some time later prescribed distance ground plane 10 the second polarized dipole and electrical array element PB far away.
Multiple with reference to Fig. 3 A and Fig. 3 B, the first ground networks 13 is arranged on ground plane 10 tops and first plane parallel with ground plane 10 (plane shown in Fig. 3 B, the i.e. back side of first substrate 11), and has the first earth terminal 131 and eight the first earthing conductors 132.The first feed-in network 14 is arranged on the first ground networks 13 tops and second plane parallel with ground plane 10 (plane as shown in Figure 3A, the i.e. front of first substrate 11), and has the first feed side 141 and eight the first feed-in conductors 142.Eight the first Departments of Radiation 151 are positioned on the second plane, connect respectively eight the first feed-in conductors 142.Eight the second Departments of Radiation 152 are positioned on the first plane, connect respectively eight the first earthing conductors 132.Each first Department of Radiation 151 and each the second Department of Radiation 152 rightabout on respectively along the first polaxis to (horizontal axis as shown in the figure) extends, and each second Department of Radiation 152 forms the first polarized dipole and electrical antenna 15 with each first Department of Radiation 151.
It is worth mentioning that the first feed side 141 and the first earth terminal 131 can be in order to FD feed (for example: radiofrequency signal).For example: the first feed side 141 is connected with earthing conductor with the center conductor of coaxial transmission line respectively with the first earth terminal 131.Perhaps, the first feed side 141 and the first earth terminal 131 respectively with SMA(SubMiniature version A) center conductor of joint is connected with earthing conductor.But the utility model does not limit the mode of signal feed-in.
Multiple with reference to Fig. 2 A and Fig. 2 B, the second ground networks 16 is arranged at the (plane shown in Fig. 2 B on the first feed-in network 14 tops and the 3rd plane parallel with ground plane 10, be the back side of second substrate 12), have the second earth terminal 161 and eight the second earthing conductors 162.The second feed-in network 17 is arranged on the second ground networks 16 tops and Siping City's face parallel with ground plane 10 (plane shown in Fig. 2 A, the i.e. front of second substrate 12), has the second feed side 171 and eight the second feed-in conductors 172.Eight the 3rd Departments of Radiation 181 are positioned on Siping City's face, connect respectively eight the second feed-in conductors 172.Eight the 4th Departments of Radiation 182 are positioned on the 3rd plane, connect respectively eight the second earthing conductors 162.Each the 3rd Department of Radiation 181 and each the 4th Department of Radiation 182 rightabout on respectively along the second polaxis to (vertical axial as shown in the figure) extends, and each the 3rd Department of Radiation 181 forms the second polarized dipole and electrical antenna 18 with each the 4th Department of Radiation 182.
Please refer to Fig. 3 C, Fig. 3 C is adjacent two the first polarized dipole and electrical antennas of the utility model embodiment and the schematic diagram that adjacent two the second polarized dipole and electrical antennas form a dimetric projection.The polarised direction of each the first polarized dipole and electrical antenna 15 is perpendicular to one another with the polarised direction of each the second polarized dipole and electrical antenna 18 and operates in first frequency, adjacent two the first polarized dipole and electrical antennas 15 form a dimetric projection with adjacent two the second polarized dipole and electrical antennas 18 on the plane of parallel ground plane, shown in Fig. 3 C.
In more detail, distance between the first adjacent polarized dipole and electrical antenna 15 can be less than the corresponding wavelength of first frequency, distance between the second adjacent dipole polarization antenna 18 also can be less than the corresponding wavelength of first frequency, but therefore the utility model does not limit.Dual-polarized dipole array antenna row 1 can be used for Wireless Fidelity (WiFi) communication system, and for example: first frequency can be between 4.9GHz and 5.9GHz, but therefore the utility model does not limit.Dual-polarized dipole array antenna row 1 also can be used for other type of wireless communication system.
It is worth mentioning that first substrate 11 carries respectively the first polarized dipole and electrical antenna 15 and the second dipole polarization antenna 18 with second substrate 12.Between ground plane 10 and the first substrate 11, and can be with the low dielectric material of electrical conductivity (such as air, plastics, Poly Foam (expanded polystyrene (EPS)) etc.) as folded constitutive element part between first substrate 11 and the second substrate 12.In other words, can utilize the low dielectric material of electrical conductivity to fold structure between ground plane 10, first substrate 11 and the second substrate 12.For example: can have higher gain and radiation efficiency for making dual-polarized dipole array antenna row 1, the dielectric material between ground plane 10, first substrate 11 and the second substrate 12 can be air.At this moment, the fixed form of the relative position between ground plane 10, first substrate 11 and the second substrate 12 can be finished by assembly supporting construction (or mechanism) commonly used.As long as use fastener common and permanent circuit substrate (as: printed circuit board (PCB)), those of ordinary skill in the art should know the mode of the relative position between dead earth face 10, first substrate 11 and the second substrate 12 easily by inference, repeats no more.
In addition, the first polarized dipole and electrical antenna 15 and the second dipole polarization antenna 18 also can directly be made with the line cutting mode with metallic plate, so that first substrate 11 can be removed (or replacing with the air substrate) with second substrate 12, as long as being arranged, other outer members (for example fastener) can keep ground plane 10, spacing distance between the first polarized dipole and electrical antenna 15 and the second dipole polarization antenna 18 gets final product, the those of ordinary skill of this area tool should be known ground plane 10 easily by inference, the fixed form of the first utmost point dipole polarization antenna 15 and the second dipole polarization antenna 18 relative position each other repeats no more.
(another embodiment of dual-polarized dipole array antenna row)
Please be simultaneously with reference to Fig. 4 A, Fig. 4 B and Fig. 4 C, Fig. 4 A is the schematic diagram of the dual-polarized dipole array antenna row of another embodiment of the utility model.Fig. 4 B is the front explosive view of the dual-polarized dipole array antenna row of another embodiment of the utility model.Fig. 4 C is the back side explosive view of the dual-polarized dipole array antenna row of another embodiment of the utility model.Haply, the dual-polarized dipole array antenna row 2 of present embodiment and the dual-polarized dipole array antenna row of last embodiment 1 identical place is that dual-polarized dipole array antenna row 2 comprise ground plane 20, first substrate 21, second substrate 22 and thin section's feed-in network (or ground networks) and Department of Radiation.About more detailed structure, please refer to following explanation.
Dual-polarized dipole array antenna row 2 comprise ground plane 20, first substrate 21, second substrate 22, a plurality of the first polarized dipole and electrical array element PA '.First substrate 21 is arranged at the top of ground plane 20, and with ground plane 20 intervals the first predeterminable range.Second substrate 22 is arranged at the top of first substrate, and with this first substrate interval the second predeterminable range.Described first with establish distance with second with establish distance and can need and adjust according to design.
Please be simultaneously with reference to Fig. 5 A, Fig. 5 B, Fig. 6 A and Fig. 6 B, Fig. 5 A and Fig. 5 B are respectively front and the schematic rear view of the second polarized dipole and electrical array element that the dual-polarized dipole array antenna of another embodiment of the utility model is listed as.Fig. 6 A and Fig. 6 B are respectively front and the schematic rear view of the first polarized dipole and electrical array element of the dual-polarized dipole array antenna row of another embodiment of the utility model.Shown in Fig. 6 A and Fig. 6 B, a plurality of the first polarized dipole and electrical array element PA ' comprise the first feed-in network 24, the first ground networks 23, eight the first Departments of Radiation 251, eight the second Departments of Radiation 252, the first feed-in element 291 and the second feed-in elements 292.Shown in Fig. 5 A and Fig. 5 B, a plurality of the second polarized dipole and electrical array element PB ' comprise the second feed-in network 27, the second ground networks 26, eight the 3rd Departments of Radiation 281 and eight the 4th Departments of Radiation 282.
As shown in Figure 6A, the first feed-in network 24 has the first feed side 241 and eight the first feed-in conductors 242, is arranged at the upper surface of first substrate 21.Eight the first Departments of Radiation 251 are arranged at the upper surface of first substrate 21, connect respectively eight the first feed-in conductors 242.Shown in Fig. 6 B, the first ground networks 23 has the first earth terminal 231 and eight the first earthing conductors 232, is arranged at the lower surface of first substrate 21.Eight the second Departments of Radiation 252 are arranged at the lower surface of first substrate 21, connect respectively eight the first earthing conductors 232.Each first Department of Radiation 251 and each second Department of Radiation 252 rightabout on respectively along the first polaxis to (horizontal axis as shown) extends, and each second Department of Radiation 251 forms the first polarized dipole and electrical antenna 25 with each first Department of Radiation 252.
Shown in Fig. 5 A, the second feed-in network 27 has the second feed side 271 and eight the second feed-in conductors 272, is arranged at the upper surface of second substrate 22.Eight the 3rd Departments of Radiation 281 are arranged at the upper surface of second substrate 22, connect respectively eight the second feed-in conductors.Shown in Fig. 5 B, the second ground networks 26 has the second earth terminal 261 and eight the second earthing conductors 262, is arranged at the lower surface of second substrate 22.Eight the 4th Departments of Radiation 282 are arranged at the lower surface of second substrate 22, connect respectively eight the second earthing conductors 262.Each the 3rd Department of Radiation 281 and each the 4th Department of Radiation 282 rightabout on respectively along the second polaxis to (vertical axial as shown in the figure) extends, and each the 4th Department of Radiation 282 forms the second utmost point dipole polarization antenna 28 with each the 3rd Department of Radiation 281.
Shown in Fig. 6 A and Fig. 6 B, the earth terminal (i.e. the outer earthing conductor of the sub-miniature A connector shown in Fig. 6 B (291)) of the first feed side 241, the first feed-in elements 291 of the feed side of the first feed-in element 291 (i.e. the center conductor of the sub-miniature A connector shown in Fig. 6 B (291)) connection the first feed-in network 24 connects the first earth terminal 231 of the first ground networks 23.Shown in Fig. 5 A and Fig. 5 B, the earth terminal (i.e. the outer earthing conductor of the sub-miniature A connector shown in Fig. 6 B (292)) of the second feed side 271, the second feed-in elements 292 of the feed side of the second feed-in element 292 (i.e. the center conductor of the sub-miniature A connector shown in Fig. 6 B (292)) connection the second feed-in network 27 connects the second earth terminal 261 of the second ground networks 26.
It is worth mentioning that, when the first feed-in element 291 or the second feed-in element 292 are the sub-miniature A connector of Fig. 6 B, second substrate 22 can be passed being connected with the second feed side 271 of the second feed-in network 27 in the feed side of the second feed-in element 292 (center conductor of sub-miniature A connector), but therefore the utility model does not limit.The first feed-in element 291 or the second feed-in element 292 not necessity pass first substrate 21 or second substrate 22.The first feed-in element 291 or the second feed-in element 292 can be other forms of feed-in elements, for example: coaxial wire.
The polarised direction of the first polarized dipole and electrical antenna 25 is perpendicular to one another with the polarised direction of the second polarized dipole and electrical antenna 28, the first polarized dipole and electrical antenna 25 and the second polarized dipole and electrical antenna 28 operate in first frequency, and adjacent two the first polarized dipole and electrical antennas 28 form a dimetric projection with adjacent two the second polarized dipole and electrical antennas 28 on the plane of parallel ground plane 20.
Distance between the first adjacent utmost point dipole polarization antenna 25 can be less than the corresponding wavelength of first frequency, and the distance between the second adjacent dipole polarization antenna 28 can be less than the corresponding wavelength of first frequency.Bipolar dipole polarization aerial array 2 can for example be used for Wireless Fidelity (WiFi) communication system.Described first frequency can be between 4.9GHz and 5.9GHz.
Relative distance between ground plane 20, first substrate 21 and the second substrate 22 can need to and change according to design.For example: it is better that the position at 1/2nd places of the distance between first substrate 21 and the second substrate 22 and the distance between the ground plane 20 can be about the quarter-wave of first frequency.
Please refer to Fig. 7, Fig. 7 is that the voltage standing wave ratio (Voltage Standing Wave Ratio, VSWR) of dual-polarized dipole array antenna row of another embodiment of the utility model is along with the oscillogram of frequency change.When the frequency of operation (first frequency) of dual-polarized dipole array antenna row 2 was between 4.9GHz and 5.9GHz, voltage standing wave ratio was all less than 2.0.Waveform P1 is the voltage standing wave ratio figure by the first feed-in element 291 resulting (seeing into).Waveform P2 is the voltage standing wave ratio figure by the second feed-in element 292 resulting (seeing into).
Please be simultaneously with reference to Fig. 8 A and Fig. 8 B, Fig. 8 A and Fig. 8 B be respectively the first polarized dipole and electrical array element that the dual-polarized dipole array antenna of another embodiment of the utility model is listed as at H(Horizontal) plane and V(Vertial) the radiation pattern figure on plane.The gain on the direction of vertical ground plane of bipolar dipole polarization aerial array 2 is about 20dBi.In a preferred embodiment, the gain on the direction of vertical ground plane is at least about 20dBi.When the array sizes of antenna is larger, gain and also may further improve.
Please be simultaneously with reference to Fig. 8 C and Fig. 8 D, Fig. 8 C and Fig. 8 D are respectively the radiation pattern figure on H plane and V plane of the second polarized dipole and electrical array element that the dual-polarized dipole array antenna of another embodiment of the utility model is listed as.The gain of bipolar dipole polarization aerial array 2 on the direction of vertical ground plane is about 20dBi.In a preferred embodiment, the gain on the direction of vertical ground plane is at least about 20dBi.When the array sizes of antenna is larger, gain and also may further improve.
(the possible effect of embodiment)
According to the utility model embodiment, it is simple in structure that above-mentioned dual-polarized dipole array antenna is listed as, and cost of manufacture is cheap, can receive and dispatch the electromagnetic wave of two polarised directions that are perpendicular to one another.Dual-polarized dipole array antenna is listed in perpendicular to the gain of the primary radiation bundle on the direction of ground plane the strongest, and minor lobe is little, has the remarkable result of the gain of promoting.
The above only is embodiment of the present utility model, and it is not to limit to claim of the present utility model.
Claims (10)
1. dual-polarized dipole array antenna row is characterized in that, described dual-polarized dipole array antenna row comprise:
One ground plane;
One first polarized dipole and electrical array element comprises:
One first ground networks, described the first ground networks are arranged on the top that is positioned at described ground plane and one first plane parallel with described ground plane, and described the first ground networks has one first earth terminal and eight the first earthing conductors;
One first feed-in network, described the first feed-in network settings are on the top that is positioned at described the first ground networks and one second plane parallel with described ground plane, and described the first feed-in network has one first feed side and eight the first feed-in conductors;
Eight the first Departments of Radiation, described eight the first Departments of Radiation are positioned on described the second plane, and described eight the first Departments of Radiation are connected with described eight the first feed-in conductors respectively; And
Eight the second Departments of Radiation, described eight the second Departments of Radiation are positioned on described the first plane, and described eight the second Departments of Radiation are connected with described eight the first earthing conductors respectively;
Wherein, in in described eight the first Departments of Radiation each and described eight the second Departments of Radiation each is extended along the rightabout that one first polaxis makes progress respectively, and each in each in described eight the second Departments of Radiation and described eight the first Departments of Radiation forms one first polarized dipole and electrical antenna; And
One second polarized dipole and electrical array element comprises:
One second ground networks, described the second ground network road network network are arranged on the top that is positioned at described the first feed-in network and one the 3rd plane parallel with described ground plane, and described the second ground network road network network has one second earth terminal and eight the second earthing conductors;
One second feed-in network, described the second feed-in network settings are on the top that is positioned at described the second ground networks and a Siping City face parallel with described ground plane, and described the second feed-in network has one second feed side and eight the second feed-in conductors;
Eight the 3rd Departments of Radiation, described eight the 3rd Departments of Radiation are positioned on described Siping City face, and described eight the 3rd Departments of Radiation are connected with described eight the second feed-in conductors respectively; And
Eight the 4th Departments of Radiation, described eight the 4th Departments of Radiation are positioned on described the 3rd plane, and described eight the 4th Departments of Radiation are connected with described eight the second earthing conductors respectively;
Wherein, in in described eight the 3rd Departments of Radiation each and described eight the 4th Departments of Radiation each is extended along the rightabout that one second polaxis makes progress respectively, and each in each in described eight the 3rd Departments of Radiation and described eight the 4th Departments of Radiation forms one second polarized dipole and electrical antenna;
Wherein, the polarised direction of each described the first polarized dipole and electrical antenna is perpendicular to one another with the polarised direction of each described the second polarized dipole and electrical antenna, each described first polarized dipole and electrical antenna and each described the second polarized dipole and electrical antenna operate with a first frequency, and adjacent two described the first polarized dipole and electrical antennas and two adjacent described the second polarized dipole and electrical antennas form a dimetric projection on the plane parallel with described ground plane.
2. dual-polarized dipole array antenna according to claim 1 is listed as, it is characterized in that, distance between adjacent described the first polarized dipole and electrical antenna is less than the corresponding wavelength of described first frequency, and the distance between adjacent described the second polarized dipole and electrical antenna is less than the corresponding wavelength of described first frequency.
3. dual-polarized dipole array antenna row according to claim 1 is characterized in that described first frequency is between 4.9GHz and 5.9GHz.
4. dual-polarized dipole array antenna row is characterized in that, described dual-polarized dipole array antenna row comprise:
One ground plane;
One first substrate, described first substrate be set in parallel in described ground plane the top and with described ground plane interval one first predeterminable range;
One second substrate, described second substrate be set in parallel in described first substrate the top and with described first substrate interval one second predeterminable range;
One first polarized dipole and electrical array element comprises:
One first feed-in network, described the first feed-in network have one first feed side and eight the first feed-in conductors, and described the first feed-in network settings are in the upper surface of described first substrate;
One first ground networks, described the first ground networks have one first earth terminal and eight the first earthing conductors, and described the first ground networks is arranged at the lower surface of described first substrate;
Eight the first Departments of Radiation, described eight the first Departments of Radiation are arranged at the upper surface of described first substrate, and described eight the first Departments of Radiation are connected with described eight the first feed-in conductors respectively; And
Eight the second Departments of Radiation, described eight the second Departments of Radiation are arranged at the lower surface of described first substrate, and described eight the second Departments of Radiation are connected with described eight the first earthing conductors respectively;
Wherein, in in described eight the first Departments of Radiation each and described eight the second Departments of Radiation each is extended along the rightabout that one first polaxis makes progress respectively, and each in each in described eight the second Departments of Radiation and described eight the first Departments of Radiation forms one first polarized dipole and electrical antenna;
One second polarized dipole and electrical array element comprises:
One second feed-in network, described the second feed-in network have one second feed side and eight the second feed-in conductors, and described the second feed-in network settings are in the upper surface of described second substrate;
One second ground networks, described the second ground networks have one second earth terminal and eight the second earthing conductors, and described the second ground networks is arranged at the lower surface of described second substrate;
Eight the 3rd Departments of Radiation, described eight the 3rd Departments of Radiation are arranged at the upper surface of described second substrate, and described eight the 3rd Departments of Radiation are connected with described eight the second feed-in conductors respectively; And
Eight the 4th Departments of Radiation, described eight the 4th Departments of Radiation are arranged at the lower surface of described second substrate, and described eight the 4th Departments of Radiation are connected with described eight the second earthing conductors respectively;
Wherein, in in described eight the 3rd Departments of Radiation each and described the 4th Department of Radiation each is extended along the rightabout that one second polaxis makes progress respectively, and each in each in described eight the 4th Departments of Radiation and described eight the 3rd Departments of Radiation forms one second polarized dipole and electrical antenna;
Wherein, the polarised direction of described the first polarized dipole and electrical antenna is perpendicular to one another with the polarised direction of described the second polarized dipole and electrical antenna, described the first polarized dipole and electrical antenna and described the second polarized dipole and electrical antenna operate with a first frequency, and adjacent two described the first polarized dipole and electrical antennas and two adjacent described the second polarized dipole and electrical antennas form a dimetric projection on the plane parallel with described ground plane.
5. dual-polarized dipole array antenna according to claim 4 is listed as, it is characterized in that, distance between adjacent described the first polarized dipole and electrical antenna is less than the corresponding wavelength of described first frequency, and the distance between adjacent described the second dipole polarization antenna is less than the corresponding wavelength of described first frequency.
6. dual-polarized dipole array antenna row according to claim 4 is characterized in that position and the distance between the described ground plane at 1/2nd places of the distance between described first substrate and the described second substrate are the quarter-wave of described first frequency.
7. dual-polarized dipole array antenna row according to claim 4 is characterized in that described first frequency is between 4.9GHz and 5.9GHz.
8. dual-polarized dipole array antenna row is characterized in that, described dual-polarized dipole array antenna row comprise:
One ground plane;
One first substrate, described first substrate be arranged at described ground plane the top and with described ground plane interval one first predeterminable range;
One second substrate, described second substrate be arranged at described first substrate the top and with described first substrate interval one second predeterminable range;
A plurality of the first polarized dipole and electrical array elements comprise:
One first feed-in network, described the first feed-in network have one first feed side and eight the first feed-in conductors, and described the first feed-in network settings are in the upper surface of described first substrate;
One first ground networks, described the first ground networks have one first earth terminal and eight the first earthing conductors, and described the first ground networks is arranged at the lower surface of described first substrate;
Eight the first Departments of Radiation, described eight the first Departments of Radiation are arranged at the upper surface of described first substrate, and described eight the first Departments of Radiation are connected with described eight the first feed-in conductors respectively; And
Eight the second Departments of Radiation, described eight the second Departments of Radiation are arranged at the lower surface of described first substrate, and described eight the second Departments of Radiation are connected with described eight the first earthing conductors respectively;
Wherein, in in described eight the first Departments of Radiation each and described eight the second Departments of Radiation each is extended along the rightabout that one first polaxis makes progress respectively, and each in each in described eight the second Departments of Radiation and described eight the first Departments of Radiation forms one first polarized dipole and electrical antenna;
A plurality of the second polarized dipole and electrical array elements comprise:
One second feed-in network, described the second feed-in network have one second feed side and eight the second feed-in conductors, and described the second feed-in network settings are in the upper surface of described second substrate;
One second ground networks, described the second ground networks have one second earth terminal and eight the second earthing conductors, and described the second ground networks is arranged at the lower surface of described second substrate;
Eight the 3rd Departments of Radiation, described eight the 3rd Departments of Radiation are arranged at the upper surface of described second substrate, and described eight the 3rd Departments of Radiation are connected with described eight the second feed-in conductors respectively; And
Eight the 4th Departments of Radiation, described eight the 4th Departments of Radiation are arranged at the lower surface of described second substrate, and described eight the 4th Departments of Radiation are connected with described eight the second earthing conductors respectively;
Wherein, in in described eight the 3rd Departments of Radiation each and described eight the 4th Departments of Radiation each is extended along the rightabout that one second polaxis makes progress respectively, and each in each in described eight the 4th Departments of Radiation and described eight the 3rd Departments of Radiation forms one second polarized dipole and electrical antenna; And
One first feed-in element, a feed side of described the first feed-in element is connected with described first feed side of described the first feed-in network, and an earth terminal of described the first feed-in element is connected with described first earth terminal of described the first ground networks; And
One second feed-in element, a feed side of described the second feed-in element is connected with described second feed side of described the second feed-in network, and an earth terminal of described the second feed-in element is connected with described second earth terminal of described the second ground networks;
Wherein, the polarised direction of described the first polarized dipole and electrical antenna is perpendicular to one another with the polarised direction of described the second polarized dipole and electrical antenna, described the first polarized dipole and electrical antenna and described the second polarized dipole and electrical antenna operate with a first frequency, and adjacent two described the first polarized dipole and electrical antennas and two adjacent described the second polarized dipole and electrical antennas form a dimetric projection on the plane parallel with described ground plane.
9. dual-polarized dipole array antenna according to claim 8 is listed as, it is characterized in that, distance between adjacent described the first polarized dipole and electrical antenna is less than the corresponding wavelength of described first frequency, and the distance between adjacent described the second dipole polarization antenna is less than the corresponding wavelength of described first frequency.
10. dual-polarized dipole array antenna row according to claim 8 is characterized in that position and the distance between the described ground plane at 1/2nd places of the distance between described first substrate and the described second substrate are the quarter-wave of described first frequency.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220356213 CN202797297U (en) | 2012-07-20 | 2012-07-20 | Dual-polarized dipole antenna array |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201220356213 CN202797297U (en) | 2012-07-20 | 2012-07-20 | Dual-polarized dipole antenna array |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112448173A (en) * | 2019-09-02 | 2021-03-05 | 诺基亚通信公司 | Polarized antenna array |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112448173A (en) * | 2019-09-02 | 2021-03-05 | 诺基亚通信公司 | Polarized antenna array |
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