CN203760634U - Hollow-out omnidirectional ceiling antenna - Google Patents
Hollow-out omnidirectional ceiling antenna Download PDFInfo
- Publication number
- CN203760634U CN203760634U CN201320729546.1U CN201320729546U CN203760634U CN 203760634 U CN203760634 U CN 203760634U CN 201320729546 U CN201320729546 U CN 201320729546U CN 203760634 U CN203760634 U CN 203760634U
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- hollow
- radius
- heart yearn
- around top
- antenna according
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- 239000004020 conductor Substances 0.000 claims abstract description 14
- 229910052751 metal Inorganic materials 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 9
- 238000005336 cracking Methods 0.000 claims description 4
- 230000005855 radiation Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 9
- 238000010276 construction Methods 0.000 description 5
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000005670 electromagnetic radiation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Abstract
The utility model discloses a hollow-out omnidirectional ceiling antenna, comprising a slotted secondary cone-shaped vibrator provided with first slits on the cone body, a six-sector arc oscillator provided with second slits in a sector, a coaxial feeder line, and a medium fastening member; the coaxial feeder line comprises a regular 50 Omega coaxial line; the regular coaxial line comprises a core line and an external conductor; and the slotted secondary cone-shaped oscillator is connected to the core line; and the six-sector arc oscillator is connected to the external conductor. Compared with the traditional ceiling antenna, the biggest radiation direction in the high frequency band of the hollow-out omnidirectional ceiling antenna is increased by 35 degrees, so that the LTE signal reception and transmission centers in the radiation angle range which is 60 degrees to 85 degrees and the gain is increased by around the 6dB. In the meantime, the original coverage effect of the low frequency band is maintained, the coverage range of the high frequency band of the ceiling antenna is effectively expanded, particularly the TD-LTE frequency band and the TD-SCDMA frequency band, and the different coverage of the high frequency band and the low frequency band is solved.
Description
Technical field
The utility model relates to a kind of antenna, particularly a kind of hollow type all-around top absorbing antenna.
Background technology
All-around top absorbing antenna is the main antenna type in indoor distributed system, its function be evenly, coverage goal region effectively, its performance will directly affect communication quality and system effectiveness.
Conventional omni-directional ceiling mount antenna is assembled below antenna at high frequency band signal, most of energy all concentrates in 40 ° to 50 ° radiation angular range, there is following problem: the about 3.5m of (1) high-frequency signal covering radius, and the covering radius of low frequency signal is greater than 10m, causes GSM, 3G and LTE network cannot realize day line locking and cover; (2) signal distributions is inhomogeneous, and antenna utilization ratio is low.In addition, also easily cause the electromagnetic radiation of antenna below to exceed standard.
Existing modified model all-around top absorbing antenna, mainly to have done optimal design for the covering of 3G signal, promote to a certain extent effective covering of 3G signal, but along with the construction of 4G network, it is little that these antenna exposes 4G signal covering radius gradually, inconsistent with low frequency covering, cell-edge declines, degradation problem under antijamming capability.
Utility model content
The purpose of this utility model is open a kind of hollow type all-around top absorbing antenna, covers inconsistent problem to solve the antenna low-and high-frequency existing in prior art.
Hollow type all-around top absorbing antenna described in the utility model comprises: between cone, be provided with first crack crack and be provided with the second six sector arc oscillators, coaxial feeder, medium securing member cracking between secondary taper oscillator, sector, coaxial feeder comprises conventional 50 Ω coaxial lines; Conventional 50 Ω coaxial lines comprise heart yearn and outer conductor; The secondary taper oscillator that cracks is connected with heart yearn, and six sector arc oscillators are connected with outer conductor.
In technique scheme, the secondary taper a period of time inner hollow of cracking, top is low-angle shrinks to center, and bottom is wide-angle taper, and two-stage cone connecting portion is provided with three roads first and cracks, and bottom is provided with the first via hole.
In technique scheme, first crack width be 1mm between 8mm, length be 8mm between 20mm, adjacent first crack between angle be 120 °.
In technique scheme, six sector arc oscillator inner hollow, comprising: six sectors, and between six sectors, be provided with six second and crack, bottom is provided with flange ring, and top is provided with the second via hole.
In technique scheme, the drift angle of sector is between 50 ° to 80 °, second crack width be 5mm between 20mm, length is that 50mm is between 68mm.
In technique scheme, coaxial feeder also comprises metal adapter, medium and thick heart yearn, and conventional 50 Ω coaxial lines are connected by metal adapter with thick heart yearn.
In technique scheme, metal adapter comprises the first hollow circuit cylinder, flange, the second hollow circuit cylinder, the radius of the first hollow circuit cylinder equates with the outer conductor radius of conventional 50 Ω coaxial lines, and the second hollow circuit cylinder and the thick ratio of radius of heart yearn and the ratio of the radius of outer conductor and heart yearn equate.
In technique scheme, medium securing member inner hollow, top is inverted round stage shape, bottom is cylindric.
In technique scheme, the radius of the first via hole equates with the radius of thick heart yearn.
In technique scheme, the radius of the second via hole equates with the radius of the second hollow circuit cylinder
Hollow type all-around top absorbing antenna of the present utility model is compared with traditional ceiling mount antenna, and high band greatest irradiation direction improves 35 ° of left and right, and LTE signal transmitting and receiving has been focused in the radiation angular range of 60 °-85 °, and gain increases 6dB left and right; Keep the original coverage effect of low-frequency range simultaneously, effectively expanded coverage, especially TD-LTE and the TD-SCDMA frequency range of ceiling mount antenna high band, solved low-and high-frequency and cover inconsistent problem.
The sky line use ratio of hollow type all-around top absorbing antenna of the present utility model is three to five times of traditional ceiling mount antenna information source utilance, can make information source and corollary equipment reduce, and has reduced energy consumption; Meanwhile, support 2G, 3G, WLAN, LTE frequency range, be conducive to multisystem mixing and multi-operator Joint construction and sharing, effectively reduce network construction cost.
Brief description of the drawings
Fig. 1 is the structural representation of hollow type all-around top absorbing antenna of the present utility model;
Fig. 2 is the longitudinal sectional view of hollow type all-around top absorbing antenna of the present utility model;
Fig. 3 is the longitudinal sectional view of the secondary taper oscillator that cracks of the present utility model;
Fig. 4 is the longitudinal sectional view of six sector arc oscillators of the present utility model;
Fig. 5 is the longitudinal sectional view of coaxial feeder of the present utility model;
Fig. 6 is the structural representation of medium securing member of the present utility model.
Mark the following drawings mark thereon by reference to the accompanying drawings:
The 1-secondary taper oscillator that cracks, 11-the first via hole, 12-first cracks;
2-six sector arc oscillators, 21-flange ring, 22-second cracks, 23-the second via hole;
3-coaxial feeder, the conventional 50 Ω coaxial lines of 31-, 32-the first hollow circuit cylinder, 33-flange, 34-the second hollow circuit cylinder, 35-medium, the thick heart yearn of 36-;
4-medium securing member, 41-lower cylindrical, 42-top inverted round stage.
Embodiment
Below in conjunction with accompanying drawing, several embodiments of the present utility model are described in detail, but are to be understood that protection range of the present utility model is not subject to the restriction of embodiment.
Cover inconsistent problem in order to solve the antenna low-and high-frequency existing in prior art, the utility model proposes a kind of hollow type all-around top absorbing antenna.This hollow type all-around top absorbing antenna comprises: between centrum, be provided with the first crack 12 crack and be provided with the second crack six sector arc oscillators 2, coaxial feeder 3, medium securing member 4 of 22 between secondary taper oscillator 1, sector.
The secondary taper oscillator 1 that cracks is a kind of aluminium alloy hollow structure, shrink to center with low-angle on top, bottom is wide-angle taper, evenly have three roads first at two-stage cone connecting place and crack 12, first 12 width that crack are that 1mm is between 8mm, length be 8mm between 20mm, the radius that the bottom of the secondary taper oscillator that cracks is provided with first radius of via hole 11, the first via holes 11 and the thick heart yearn 36 of coaxial feeder 3 equates.
Six sector arc oscillators 2 are a kind of aluminium alloy hollow structure, semicircular arc; Each sector angle is between 50 ° to 80 °, between adjacent sectors second 22 width that crack are that 5mm is between 20mm, length is that 50mm is between 68mm, arc bottom, sector is that 1mm connects to the flange ring 21 of 5mm by a circle width, the radius that the top of six sector arc oscillators 2 is provided with second radius of via hole 23, the second via holes 23 and the second hollow circuit cylinder 34 of coaxial feeder 3 equates.
Coaxial feeder 3 is on the basis of conventional 50 Ω coaxial lines, realizes heart yearn and increases slightly by introducing metal adapter, and object is that the secondary taper oscillator 1 that ensures to crack is connected more firm with the heart yearn of coaxial feeder 3.Coaxial feeder 3 comprises conventional 50 Ω coaxial lines 31, metal adapter, medium 35, thick heart yearn 36.Wherein, metal adapter comprises the first hollow circuit cylinder 32, flange 33, the second hollow circuit cylinder 34, the first hollow circuit cylinder 32, flange 33 and the second hollow circuit cylinder 34 are connected from lower to upper successively, thick heart yearn 36 and the second hollow circuit cylinder 34 are concentric, centre is filled with medium 35, the hypomere of thick heart yearn 36 is hollow circuit cylinder, and epimere is solid cylinder.
The structure ecto-entad of conventional 50 Ω coaxial lines 31 is sheath, outer conductor, dielectric, heart yearn successively.The radius of the first hollow circuit cylinder 32 equates with the outer conductor radius of conventional 50 Ω coaxial lines 31, and the ratio of the radius of the ratio of radius of the second hollow circuit cylinder 34, thick heart yearn 36 and the outer conductor of conventional 50 Ω coaxial lines 31, heart yearn equates.The outer surface of the second hollow circuit cylinder 34 is provided with screw thread, is convenient to be connected with miscellaneous part.
The heart yearn of conventional 50 Ω coaxial lines is connected with the secondary taper oscillator 1 that cracks, and the outer conductor of conventional 50 Ω coaxial lines is connected with six sector arc oscillators 2, insulate with medium 35 in centre.
Medium securing member 4 is a kind of hollow structures, comprises lower cylindrical 41 and top inverted round stage 42, and for the ease of assembling, lower cylindrical 41 inner surfaces have screw thread.The function of medium securing member 4 has three: (1) realizes the insulation of crack secondary taper oscillator 1 and six sector arc oscillators 2; (2) 1 of the secondary taper oscillator that cracks is supported to fixation; (3) coaxial feeder 3 is fixed on six sector arc oscillators 2.
The second via hole 23 by coaxial feeder 3 through six sector arc oscillators, by medium securing member 4, coaxial feeder 3 is fixed on six sector arc oscillators 2, the secondary taper oscillator 1 that finally will crack is placed on medium securing member 4, and welds with the thick heart yearn 36 of coaxial feeder 3.
Hollow type all-around top absorbing antenna of the present utility model is compared with traditional ceiling mount antenna, and high band greatest irradiation direction improves 35 ° of left and right, and LTE signal transmitting and receiving has been focused in the radiation angular range of 60 °-85 °, and gain increases 6dB left and right; Keep the original coverage effect of low-frequency range simultaneously, effectively expanded coverage, especially TD-LTE and the TD-SCDMA frequency range of ceiling mount antenna high band, solved low-and high-frequency and cover inconsistent problem.
The sky line use ratio of hollow type all-around top absorbing antenna of the present utility model is three to five times of traditional ceiling mount antenna information source utilance, can make information source and corollary equipment reduce, and has reduced energy consumption; Meanwhile, support 2G, 3G, WLAN, LTE frequency range, be conducive to multisystem mixing and multi-operator Joint construction and sharing, effectively reduce network construction cost.
Disclosed is above only several specific embodiment of the present utility model, and still, the utility model is not limited thereto, and the changes that any person skilled in the art can think of all should fall into protection range of the present utility model.
Claims (10)
1. a hollow type all-around top absorbing antenna, it is characterized in that, comprise: between cone, be provided with first crack crack and be provided with the second six sector arc oscillators, coaxial feeder, medium securing member cracking between secondary taper oscillator, sector, described coaxial feeder comprises conventional 50 Ω coaxial lines;
Described conventional 50 Ω coaxial lines comprise heart yearn and outer conductor; The described secondary taper oscillator that cracks is connected with described heart yearn, and described six sector arc oscillators are connected with described outer conductor.
2. hollow type all-around top absorbing antenna according to claim 1, is characterized in that, described in the secondary taper a period of time inner hollow of cracking, top is low-angle and shrinks to center, bottom is wide-angle taper, and two-stage cone connecting portion is provided with three roads first and cracks, and bottom is provided with the first via hole.
3. hollow type all-around top absorbing antenna according to claim 2, is characterized in that, described first crack width be 1mm between 8mm, length be 8mm between 20mm, adjacent described first crack between angle be 120 °.
4. hollow type all-around top absorbing antenna according to claim 1, is characterized in that, described six sector arc oscillator inner hollow, comprising: six sectors, and between described six sectors, be provided with six second and crack, bottom is provided with flange ring, and top is provided with the second via hole.
5. hollow type all-around top absorbing antenna according to claim 4, is characterized in that, the drift angle of described sector is between 50 ° to 80 °, described second crack width be 5mm between 20mm, length is that 50mm is between 68mm.
6. hollow type all-around top absorbing antenna according to claim 1, is characterized in that, described coaxial feeder also comprises metal adapter, medium and thick heart yearn, and described conventional 50 Ω coaxial lines are connected by described metal adapter with described thick heart yearn.
7. all-around top absorbing antenna according to claim 6, it is characterized in that, described metal adapter comprises the first hollow circuit cylinder, flange, the second hollow circuit cylinder, the radius of described the first hollow circuit cylinder equates with the described outer conductor radius of described conventional 50 Ω coaxial lines, and the ratio of the radius of described the second hollow circuit cylinder and described thick heart yearn equates with the ratio of the radius of described outer conductor and described heart yearn.
8. hollow type all-around top absorbing antenna according to claim 1, is characterized in that, described medium securing member inner hollow, and top is inverted round stage shape, bottom is cylindric.
9. all-around top absorbing antenna according to claim 6, is characterized in that, the radius of the first via hole equates with the radius of described thick heart yearn.
10. all-around top absorbing antenna according to claim 7, is characterized in that, the radius of the second via hole equates with the radius of described the second hollow circuit cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320729546.1U CN203760634U (en) | 2013-11-18 | 2013-11-18 | Hollow-out omnidirectional ceiling antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320729546.1U CN203760634U (en) | 2013-11-18 | 2013-11-18 | Hollow-out omnidirectional ceiling antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203760634U true CN203760634U (en) | 2014-08-06 |
Family
ID=51255872
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320729546.1U Expired - Lifetime CN203760634U (en) | 2013-11-18 | 2013-11-18 | Hollow-out omnidirectional ceiling antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203760634U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104966896A (en) * | 2015-07-03 | 2015-10-07 | 四川莱源科技有限公司 | Miniature 360-degree circumferential antenna |
| CN105048069A (en) * | 2015-07-03 | 2015-11-11 | 四川莱源科技有限公司 | Welding-type 360-DEG circumferential antenna |
| WO2018166193A1 (en) * | 2017-03-14 | 2018-09-20 | 昆山瀚德通信科技有限公司 | Ceiling antenna |
| CN108899638A (en) * | 2018-07-09 | 2018-11-27 | 东莞天速通信技术有限公司 | A kind of ultra wide band ceiling mount antenna |
| CN112103611A (en) * | 2020-09-09 | 2020-12-18 | 吴美珠 | Ceiling antenna |
-
2013
- 2013-11-18 CN CN201320729546.1U patent/CN203760634U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104966896A (en) * | 2015-07-03 | 2015-10-07 | 四川莱源科技有限公司 | Miniature 360-degree circumferential antenna |
| CN105048069A (en) * | 2015-07-03 | 2015-11-11 | 四川莱源科技有限公司 | Welding-type 360-DEG circumferential antenna |
| WO2018166193A1 (en) * | 2017-03-14 | 2018-09-20 | 昆山瀚德通信科技有限公司 | Ceiling antenna |
| US11411294B2 (en) | 2017-03-14 | 2022-08-09 | Kunshan Hamilton Communication Technology Co., Ltd | Ceiling antenna |
| CN108899638A (en) * | 2018-07-09 | 2018-11-27 | 东莞天速通信技术有限公司 | A kind of ultra wide band ceiling mount antenna |
| CN108899638B (en) * | 2018-07-09 | 2023-12-08 | 东莞天速通信技术有限公司 | Ultra-wideband ceiling antenna |
| CN112103611A (en) * | 2020-09-09 | 2020-12-18 | 吴美珠 | Ceiling antenna |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140806 |