CN210272662U - Ultra-wideband small-caliber dual-polarized cross unit - Google Patents
Ultra-wideband small-caliber dual-polarized cross unit Download PDFInfo
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- CN210272662U CN210272662U CN201921007708.4U CN201921007708U CN210272662U CN 210272662 U CN210272662 U CN 210272662U CN 201921007708 U CN201921007708 U CN 201921007708U CN 210272662 U CN210272662 U CN 210272662U
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- 230000005855 radiation Effects 0.000 claims abstract description 58
- 239000002184 metal Substances 0.000 claims abstract description 13
- 230000010287 polarization Effects 0.000 claims abstract description 7
- 238000005452 bending Methods 0.000 claims description 14
- 230000001154 acute effect Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000009977 dual effect Effects 0.000 abstract description 6
- 230000008878 coupling Effects 0.000 abstract description 3
- 238000010168 coupling process Methods 0.000 abstract description 3
- 238000005859 coupling reaction Methods 0.000 abstract description 3
- 239000003990 capacitor Substances 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010295 mobile communication Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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Abstract
The utility model provides an ultra wide band small-bore dual polarization cross unit, the utility model discloses be provided with a style of calligraphy minor matters I between two radiation arms and be provided with a pair of style of calligraphy minor matters II in U type inslot symmetry, make the electric current path on the radiation arm extension, be equivalent to the radiation arm extension promptly, thereby can expand the effective bandwidth of U type radiation oscillator, thereby can effectively increase the route that the electric current flows through on the radiation arm, reduce the oscillator bore; meanwhile, the utility model is provided with a straight-line branch node at an included angle of 45 degrees with the horizontal direction of the U-shaped radiating oscillator, and extends along the axial direction to form a coupling capacitor for the cuboid branch node, and the inductance formed by the hollow metal cylindrical branch node enables the U-shaped radiating oscillator to have a plurality of resonance modes, thereby enabling the dual-polarized antenna to obtain a wider bandwidth; the utility model provides an ultra wide band dual polarized antenna oscillator can reduce the antenna size under the prerequisite that satisfies the impedance bandwidth.
Description
Technical Field
The utility model relates to a mobile communication base station antenna field, concretely relates to small-bore double polarization cross unit of ultra wide band.
Background
With the development of mobile communication technology, communication base stations put forward higher and higher requirements on indexes of dual-polarized antenna units, particularly gain, bandwidth characteristics, fluctuation characteristics of half-power angles along with frequency and the like.
The existing dual-polarized antenna unit mainly comprises: two sets of bipolarization orthogonal dipole radiating elements, wherein, every group dipole radiating element includes: the radiation device comprises a pair of baluns and a pair of U-shaped radiation arms arranged on the baluns; and a pair of U-shaped radiation arms are arranged in central symmetry. The U-shaped radiating arms in the dual-polarized antenna unit can flexibly adjust the main lobe half-power angle of the antenna to achieve the purpose of adjusting the beam width by adjusting the distance between the two radiating arms, so that the dual-polarized antenna unit has higher directivity under the same half-power angle. However, since the electrical size of the antenna is in direct proportion to the wavelength of the antenna, the conventional low-frequency oscillator always has the technical problems of large size, low gain and the like.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a small-bore, small-bore dual polarization cross unit of ultra wide band that small-bore, simple structure, wide bandwidth, uniformity are better.
In order to achieve the above purpose, the utility model adopts the technical scheme that: an ultra-wideband small-caliber dual-polarized crossover element, comprising: two sets of dual polarization orthogonal dipole radiating elements, wherein, every group dipole radiating element all includes a pair of balun and a pair of U type radiation oscillator that sets up respectively on each balun, a pair of U type radiation oscillator be central symmetry and set up, U type radiation oscillator still includes:
the pair of horizontal bending branches are respectively arranged at the outer sides of the head ends of the two radiating arms of the U-shaped radiating oscillator, an included angle between the central line of the U-shaped radiating oscillator and the central line of the radiating arms in the horizontal direction is an acute angle, and the free ends of the horizontal bending branches extend downwards along the axial direction and form cuboid branches;
the metal cylindrical support sections are respectively arranged at the tail ends of the two radiating arms of the U-shaped radiating oscillator, are perpendicular to the tail ends of the U-shaped radiating oscillator and extend downwards along the axial direction, wherein the extending direction of the radiating arms in the U-shaped radiating oscillator is defined as the horizontal direction, and the direction perpendicular to the extending direction of the U-shaped radiating oscillator is defined as the axial direction;
the linear branch I is arranged between the two radiation arms of the U-shaped radiation oscillator;
the pair of linear branches II are symmetrically arranged at two ends of the U-shaped groove.
Furthermore, the one-to-one linear branch knot II and the one-to-one linear branch knot I are arranged in parallel.
Furthermore, the metal cylindrical branch section is of a hollow structure.
Furthermore, branch knot and cuboid branch knot integral type setting and the longitudinal section of cuboid branch knot are the rectangle are buckled to the horizontal direction.
Furthermore, the pair of horizontal bending branches and the head end of the U-shaped radiation oscillator are integrally arranged, and an included angle between the central line of the horizontal bending branches and the central line of the radiation arm in the horizontal direction is 0-45 degrees.
Furthermore, an included angle between the central line of the horizontal bending branch knot and the central line of the radiation arm in the horizontal direction is 45 degrees.
Furthermore, the end face of one end, away from the balun, of the U-shaped radiating oscillator is recessed inwards to form 4 feed platforms; wherein, all offer the hole slot that is used for the feeder to penetrate on every adjacent feed platform.
Further, height differences exist between single or paired 4 feeding platforms.
Furthermore, a base is arranged at the bottom of one of the pair of baluns, and a connecting hole and a plurality of bulges are integrally arranged on the end surface of one end of the base, which is far away from the baluns.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model provides a small-bore double polarization of ultra wide band cross unit can reduce the antenna size under the prerequisite that satisfies the impedance bandwidth, the beneficial effects of the utility model specifically as follows:
1. the utility model is provided with a linear branch I between two radiation arms and a one-to-one linear branch II in a U-shaped groove, so that the current path of the current on the radiation arms is lengthened, namely equivalent to the lengthening of the radiation arms, thereby expanding the effective bandwidth of the U-shaped radiation oscillator, effectively increasing the path of the current flowing on the radiation arms and reducing the aperture of the oscillator;
2. the tail ends of two radiation arms of the U-shaped radiation oscillator are provided with metal cylindrical support sections arranged along the axial direction, so that the length of the radiation arms is prolonged, the bandwidth of the radiation unit is further expanded, the space in the horizontal direction is not occupied, and the aim of small caliber of the radiation unit is further fulfilled;
3. a straight-line-shaped branch node is arranged at an included angle of 45 degrees with the horizontal direction of the U-shaped radiating oscillator, the straight-line-shaped branch node extends along the axial direction to form a coupling capacitor for the cuboid branch node, and the U-shaped radiating oscillator has a plurality of resonance modes due to an inductor formed by the straight-line-shaped branch node and the hollow metal cylindrical branch node, so that the dual-polarized antenna obtains a wider bandwidth;
4. the two radiating arms of the U-shaped radiating oscillator are provided with the U-shaped grooves, and the impedance of the radiating unit can be effectively adjusted by changing the size and the length of the U-shaped grooves, so that the circular diagram is more convergent.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic structural diagram of two pairs of U-shaped radiating elements;
the labels in the figure are: 1. balun, 2, U type radiation oscillator, 3, horizontal direction bending branch, 4, cuboid branch, 5, metal cylinder branch, 6, a style of calligraphy branch I, 7, a style of calligraphy branch II, 8, U type groove, 9, feed platform, 10, hole groove, 11, base, 12, connecting hole, 13, arch.
Detailed Description
In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the following will combine the drawings in the present invention to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, rather than all embodiments, based on the embodiments in the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention.
Firstly, defining the extending direction of a radiating arm in the U-shaped radiating oscillator 2 as a horizontal direction, and defining the direction vertical to the extending direction of the U-shaped radiating oscillator 2 as an axial direction;
as shown in fig. 1 and 2, an ultra-wideband small-caliber dual-polarized crossover unit includes: two sets of dual polarization orthogonal dipole radiating elements, wherein, every group dipole radiating element includes a pair of balun 1 and a pair of U type radiation oscillator 2 that sets up respectively on each balun 1, a pair of U type radiation oscillator 2 be central symmetry and set up, U type radiation oscillator 2 still includes:
A pair of metal cylindrical support sections 5 respectively arranged at the tail ends of the two radiating arms of the U-shaped radiating oscillator 2, perpendicular to the tail end of the U-shaped radiating oscillator 2 and extending downwards along the axial direction;
the linear branch I6 is arranged between the two radiation arms of the U-shaped radiation oscillator 2 and used for connecting the two radiation arms;
the pair of linear branches II 7 are arranged on the end face of the U-shaped radiating oscillator 2, U-shaped grooves 8 penetrating through the end face of the U-shaped radiating oscillator 2 are formed in the end face of the U-shaped radiating oscillator 2, the pair of linear branches II 7 are symmetrically arranged at two ends of each U-shaped groove 8, and two ends of each linear branch II 7 are connected with the inner wall of each radiating arm. The linear branch I6 and the one-to-one linear branch II 7 enable a current path of current on the radiation arm to be lengthened, namely equivalent to the lengthening of the radiation arm, so that the effective bandwidth of the U-shaped radiation oscillator can be expanded. Moreover, by changing the size and the length of the U-shaped groove 8, the impedance of the radiation unit can be effectively adjusted, so that the circular diagram of the radiation unit is more convergent.
Further optimize this scheme, a style of calligraphy minor matters II 7 and a style of calligraphy minor matters I6 three between parallel arrangement.
According to the scheme, the inner part of the metal cylindrical branch joint 5 is of a hollow structure, the length of the radiation arm is prolonged due to the arrangement of the metal cylindrical branch joint 5, the bandwidth of the radiation unit is further expanded, the space in the horizontal direction is not occupied, and the purpose of small caliber of the radiation unit is achieved.
Further optimize this scheme, branch festival 3 and cuboid branch festival 4 integral type setting and cuboid branch festival 4's longitudinal section of buckling in the horizontal direction are the rectangle.
Further optimize this scheme, a pair of horizontal direction bending branch 3 with the head end three integral type setting of U type radiation oscillator 2, and the horizontal direction bending branch 3 the central line with the contained angle of radiation arm between the central line of horizontal direction is 45.
According to the scheme, the end face of one end, far away from the balun 1, of the U-shaped radiation oscillator 2 is recessed inwards to form 4 feed platforms 9; wherein, 2 adjacent feeding platforms 9 are all provided with a hole slot 10 for a feeder line to penetrate.
Further optimizing the scheme, height difference exists between single or paired 4 feeder platforms 9.
Further optimize this scheme, wherein the bottom of a pair of balun 1 is provided with base 11, and an organic whole is provided with connecting hole 12 and the arch 13 of a plurality of on the terminal surface of the one end that balun 1 was kept away from to base 11, and connecting hole 12 and the arch 13 of a plurality of are used for with the utility model discloses install on the metal reflecting plate, concrete mounting method is as follows: screw into the connecting hole and come will the utility model discloses on being fixed in the reflecting plate, be provided with two longer barrons in two pairs of barrons 1, it directly passes the reflecting plate, and a plurality of arch 13 also directly passes the reflecting plate, thereby makes the utility model discloses it is fixed firm, the utility model discloses when organizing the battle, the array advantage is obvious, under the condition of same reflecting plate width, adopts the small-bore oscillator, reduces the influence each other between the oscillator, has improved the wholeness ability of array.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. An ultra-wideband small-caliber dual-polarized crossover element, comprising: two sets of double polarization orthogonal dipole radiating element, wherein, every group dipole radiating element all includes a pair of balun (1) and a pair of U type radiation oscillator (2) that set up respectively on each balun (1), a pair of U type radiation oscillator (2) be central symmetry and set up, its characterized in that, U type radiation oscillator (2) still include:
the pair of horizontal bending branches (3) are respectively arranged on the outer sides of the head ends of the two radiation arms of the U-shaped radiation oscillator (2), an included angle between the central line of the U-shaped radiation oscillator and the central line of the radiation arms in the horizontal direction is an acute angle, and the free ends of the horizontal bending branches (3) extend downwards along the axial direction and form cuboid branches (4);
the pair of metal cylindrical support sections (5) are respectively arranged at the tail ends of the two radiating arms of the U-shaped radiating vibrator (2), are perpendicular to the tail end of the U-shaped radiating vibrator (2) and extend downwards along the axial direction, wherein the extending direction of the radiating arms in the U-shaped radiating vibrator (2) is defined as the horizontal direction, and the direction perpendicular to the extending direction of the U-shaped radiating vibrator (2) is defined as the axial direction;
the linear branch I (6) is arranged between the two radiation arms of the U-shaped radiation oscillator (2);
the radiation oscillator comprises a pair of linear branches II (7), wherein a U-shaped groove (8) penetrating through the end face of the U-shaped radiation oscillator (2) is formed in the end face of the U-shaped radiation oscillator (2), and the linear branches II (7) are symmetrically arranged at two ends of the U-shaped groove (8).
2. The ultra-wideband small-caliber dual-polarized crossover unit of claim 1, wherein: the one-to-one linear branch II (7) and the linear branch I (6) are arranged in parallel.
3. The ultra-wideband small-caliber dual-polarized crossover unit of claim 1, wherein: the metal cylindrical branch joint (5) is of a hollow structure.
4. The ultra-wideband small-caliber dual-polarized crossover unit of claim 1, wherein: horizontal direction bending branch knot (3) and cuboid branch knot (4) are arranged in an integrated mode, and the longitudinal section of cuboid branch knot (4) is rectangular.
5. The ultra-wideband small-caliber dual-polarized crossover unit of claim 1, wherein: the pair of horizontal bending branches (3) and the head end of the U-shaped radiating vibrator (2) are integrally arranged, and the included angle between the central line of the horizontal bending branches (3) and the central line of the radiating arm in the horizontal direction is 0-45 degrees.
6. The ultra-wideband small-caliber dual-polarized crossover unit of claim 5, wherein: the included angle between the central line of the horizontal bending branch (3) and the central line of the radiation arm in the horizontal direction is 45 degrees.
7. The ultra-wideband small-caliber dual-polarized crossover unit of claim 1, wherein: the end face of one end, far away from the balun (1), of the U-shaped radiation oscillator (2) is inwards sunken to form 4 feeding platforms (9); wherein, 2 adjacent feeding platforms (9) are all provided with a hole slot (10) for a feeder line to penetrate.
8. The ultra-wideband small-caliber dual-polarized crossover unit of claim 7, wherein: the height difference exists between the single or the pairs of the 4 feeding platforms (9).
9. The ultra-wideband small-caliber dual-polarized crossover unit of claim 1, wherein: the bottom of one pair of baluns (1) is provided with a base (11), and the end face of one end of the base (11) far away from the baluns (1) is integrally provided with a connecting hole (12) and a plurality of bulges (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921007708.4U CN210272662U (en) | 2019-07-01 | 2019-07-01 | Ultra-wideband small-caliber dual-polarized cross unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921007708.4U CN210272662U (en) | 2019-07-01 | 2019-07-01 | Ultra-wideband small-caliber dual-polarized cross unit |
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| CN210272662U true CN210272662U (en) | 2020-04-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921007708.4U Withdrawn - After Issue CN210272662U (en) | 2019-07-01 | 2019-07-01 | Ultra-wideband small-caliber dual-polarized cross unit |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110401015A (en) * | 2019-07-01 | 2019-11-01 | 广东通宇通讯股份有限公司 | A kind of small-bore dual polarization cross unit of ultra wide band |
| CN111952723A (en) * | 2020-09-08 | 2020-11-17 | 山东华箭科工创新科技有限公司 | 5G full-band printed log periodic antenna loaded with metal oscillator |
-
2019
- 2019-07-01 CN CN201921007708.4U patent/CN210272662U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110401015A (en) * | 2019-07-01 | 2019-11-01 | 广东通宇通讯股份有限公司 | A kind of small-bore dual polarization cross unit of ultra wide band |
| CN110401015B (en) * | 2019-07-01 | 2024-06-04 | 广东通宇通讯股份有限公司 | Ultra-wideband small-caliber dual-polarized crossing unit |
| CN111952723A (en) * | 2020-09-08 | 2020-11-17 | 山东华箭科工创新科技有限公司 | 5G full-band printed log periodic antenna loaded with metal oscillator |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20200407 Effective date of abandoning: 20240604 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20200407 Effective date of abandoning: 20240604 |