CN205069854U - Ceiling antenna of ultrabroad band qxcomm technology - Google Patents
Ceiling antenna of ultrabroad band qxcomm technology Download PDFInfo
- Publication number
- CN205069854U CN205069854U CN201520222205.4U CN201520222205U CN205069854U CN 205069854 U CN205069854 U CN 205069854U CN 201520222205 U CN201520222205 U CN 201520222205U CN 205069854 U CN205069854 U CN 205069854U
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- China
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- metal sheet
- spiral metal
- antenna
- single cone
- cone spiral
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- 238000005516 engineering process Methods 0.000 title abstract description 5
- 239000000523 sample Substances 0.000 claims abstract description 15
- 239000002184 metal Substances 0.000 claims description 38
- 238000009413 insulation Methods 0.000 claims description 3
- 230000010287 polarization Effects 0.000 abstract description 13
- 230000005855 radiation Effects 0.000 abstract description 7
- 238000009826 distribution Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 4
- 238000002955 isolation Methods 0.000 description 4
- 238000010295 mobile communication Methods 0.000 description 4
- 238000005388 cross polarization Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 230000009977 dual effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 206010033307 Overweight Diseases 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 235000020825 overweight Nutrition 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Abstract
The utility model relates to a ceiling antenna of ultrabroad band qxcomm technology, including radiating element, ground connection unit, antenna probe and feeder, its characterized in that: radiating element adopts three dimensions's list to bore helical structure, and this is singly bored helical structure and adopts the gradual change formula singly to bore the spiral sheetmetal, specifically do: this is singly bored the spiral sheetmetal and is round conical spiral form along the axial of antenna probe and extends, and the diameter of singly boring the spiral sheetmetal is crescent to the afterbody from the tip, and bores singly that the piece of spiral sheetmetal is wide to be reduced to the afterbody from the tip gradually. Different with common helical structure, the list is here bored helical structure and is adopted width gradual change spiral arm to the aerial gesture of spiral arm need be suitably controlled, in order to break the helical antenna raiative mode restriction in the common meaning, the radiation of ultra wide band broad beam is realized. In this structure, singly bore and form vertical polarisation between spiral sheetmetal and ground connection unit, and the flight forms circular polarization in the horizontal plane, provide necessary horizontal polarisation.
Description
Technical field
The utility model relates to a kind of antenna, particularly a kind of ultrabroad band all-around top absorbing antenna.
Background technology
Indoor distributed system solves in-door covering, absorbs traffic and data volume, improves the direct effective means of user satisfaction.Along with two kinds of prevailing model TDD-LTE and FDD-LTE of 4G step into commercialization, user also changes to full frequency band and dual polarization the requirement of indoor distribution antenna.All frequency bands antenna is that dual polarization is to effectively improve spatial multiplex gains in a tdd system in order to meet the public requirement of the many nets of operator, promotes data throughout and received signal to noise ratio.Along with going deep into of domestic and overseas operators 4G networking, the indoor distribution antenna of this two type will get a lot of applications.
If cover the indoor distribution antenna full frequency band work of 2G/3G/4G/4G-LTE frequency range, Wideband/Ultra-Wideband is needed to design.According to mobile communication indoor distribution system antenna equipment specification index, antenna product must provide necessary gain, broad beam, good polarization isolation, lower input vswr and extremely low intermodulation etc.Wherein mutually restrict between some parameter, such as high-gain and broad beam, pursue the limit of each index, be just necessary to adopt multi-objective optimization design of power technology to optimize antenna structure.
Simultaneously, because indoor distribution antenna is in the least significant end of whole mobile communications network covering, purchase quantity can be far longer than antenna for base station, therefore will realize standardization, seriation, miniaturization in product design, reduce raw-material consumption, the crucial research topic of indoor distribution antenna will be become.
Utility model content
The technical problems to be solved in the utility model is to provide that a kind of structure is simple, low cost of manufacture and the ultrabroad band all-around top absorbing antenna of good electric property.
For solving the problems of the technologies described above, the technical solution of the utility model is: a kind of ultrabroad band all-around top absorbing antenna, comprise radiating element, ground unit, antenna probe and feeder line, radiating element is bearing on ground unit by insulation system, one end of antenna probe is connected with radiating element end, and the other end of antenna probe is connected with feeder line; Its innovative point is: described radiating element adopts three-dimensional list to bore helical structure, and this single cone helical structure adopts gradual change type list cone spiral metal sheet; Be specially: this list cone spiral metal sheet is along the axially conically spiral extension of antenna probe, and the diameter of single cone spiral metal sheet rearwardly increases gradually from end, and the sheet of single cone spiral metal sheet is wide rearwardly reduces gradually from end.
Preferably, in described single cone spiral metal chip architecture, the medial and lateral helical wheel profile of single cone spiral metal sheet is formed respectively by but the medial and lateral cone of different tapering coaxial around two; The side of described inboard cone and the angle theta of its axis are 25-27 °.
Preferably, the pitch of described single cone spiral metal sheet is P, P=38-40mm; The number of turns of single cone spiral metal sheet is N, N=16/9.
Preferably, the end flaps of described single cone spiral metal sheet is wide is W
0, W
0=14mm; The tail sheet of single cone spiral metal sheet is wide is W
1, W
1=5.2mm; The end of described single cone spiral metal sheet is r apart from the beeline of its axis
0, r
0=4.9mm.
Preferably, the height of the end distance ground unit of described single cone spiral metal sheet is h, h=4.6mm.
The utility model has the advantage of:
Different from common helical structure, list cone helical structure here adopts width gradual change spiral arm, and needs the aerial statue suitably controlling spiral arm, to break the helical antenna radiation mode restriction on ordinary meaning, realizes ultra wide bandwidth beam radiation.In this structure, form perpendicular polarization between single cone spiral metal sheet and ground unit, and flight forms circular polarization in horizontal plane, provides necessary horizontal polarization.
Utilize width gradual change cone-type spiral unipole antenna, be operated in 3G/4G/4G-LTE frequency range, operating frequency contains 880MHz-2690MHz, the circular polarization of perpendicular polarization and horizontal plane can be realized simultaneously, both met mobile communication indoor distribution system upgrading in the urgent need to, also can take into account the demand of following evolution development (5G) of mobile communication.And structure is simple, easy to process, low cost of manufacture.
Accompanying drawing explanation
Fig. 1 is traditional wideband omni-directional ceiling suction antenna structural representation.
Fig. 2 is the utility model ultrabroad band all-around top absorbing antenna structural representation.
Fig. 3 is the list cone spiral metal chip architecture schematic diagram of the utility model ultrabroad band all-around top absorbing antenna.
Fig. 4 is perpendicular polarization standing-wave ratio curve chart in the utility model.
Fig. 5 is horizontal polarization standing-wave ratio curve chart in the utility model.
Fig. 6 is the horizontal radiation pattern circularity of antenna in the utility model.
Fig. 7 is antennas orthogonal surface radiation directional diagram in the utility model.
Fig. 8 is antenna cross-polarization ratio in the utility model.
Fig. 9 is isolation between antennas view in the utility model.
Embodiment
Fig. 1 shows the structure of traditional wideband omni-directional ceiling suction antenna, it adopts double cone structure, comprise single cone radiating element 1, antenna probe 2, ground plate 3 and feeder line 4, the frequency range of existing indoor distribution wide frequency antenna is 800 ~ 960/1710 ~ 2500MHz, at above-mentioned two frequency ranges standing internal wave < 1.4, and at 960 ~ 1710 band limits standing internal wave severe overweights, even be greater than 2, therefore the antenna of said structure can only be operated in low frequency 800 ~ 960MHz, within the scope of high frequency 1710 ~ 2500MHz, and it more cannot meet the requirement of system to antenna within the scope of wide-band.
Ultrabroad band all-around top absorbing antenna structure in the utility model, as shown in Figure 2, it mainly comprises radiating element 1, ground unit, antenna probe 2 and feeder line, radiating element 1 is bearing on ground unit 3 by insulation system, one end of antenna probe 2 is connected with bottom radiating element 1, and the other end of antenna probe is connected with feeder line.
In the utility model, as shown in Figure 2, radiating element adopts three dimensions formula list cone spiral metal chip architecture, this list cone spiral metal sheet extends in the shape of a spiral along the axis of antenna probe, the helix diameter that single cone spiral metal sheet extends to form increases outward gradually from ground unit side direction, and single cone spiral metal sheet cross-sectional width reduces outward gradually from ground unit side direction.
In the utility model in single cone spiral metal chip architecture, the medial and lateral helical wheel profile of single cone spiral metal sheet is formed respectively by but the medial and lateral cone of different tapering coaxial around two; The side of described inboard cone and the angle theta of its axis are 25-27 °.The pitch of single cone spiral metal sheet is P, P=38-40mm; The number of turns of single cone spiral metal sheet is N, N=16/9.The end flaps of single cone spiral metal sheet is wide is W
0, W
0=14mm; The tail sheet of single cone spiral metal sheet is wide is W
1, W
1=5.2mm; The end of single cone spiral metal sheet is r apart from the beeline of its axis
0, r
0=4.9mm.The height of the end distance ground unit of single cone spiral metal sheet is h, h=4.6mm.
Fig. 4,5 shows the voltage standing wave ratio curve chart of the utility model antenna; This figure can find out that this antenna perpendicular polarization and horizontal polarization standing-wave ratio in whole frequency band are all less than 1.5.
table 1 shows the utility modelthe gain test data of antenna;
This figure conclusion: antenna gain in working band meets designing requirement.
Fig. 6 is the horizontal radiation pattern circularity of antenna in the utility model.This figure conclusion: antenna directional diagram circularity in working band meets the≤requirement of ± 2.
Fig. 7 is antennas orthogonal surface radiation directional diagram in the utility model, this figure conclusion: antennas orthogonal face lobe width meets 40 ± 10 (V) requirement.
Fig. 8 is antenna cross-polarization ratio in the utility model, this figure conclusion: antenna cross-polarization is than the requirement meeting >=10.
Fig. 9 is isolation between antennas view in the utility model, this figure conclusion: isolation between antennas meets >=and the requirement of 25.
Table two is the electric property of the utility model indoor distribution antenna and mechanical index
In sum: the every main electrical parameters of ultra-wideband all-around top absorbing antenna in the utility model all meets National Electrical index request.
Claims (5)
1. a ultrabroad band all-around top absorbing antenna, comprise radiating element, ground unit, antenna probe and feeder line, radiating element is bearing on ground unit by insulation system, and one end of antenna probe is connected with radiating element end, and the other end of antenna probe is connected with feeder line; It is characterized in that:
Described radiating element adopts three-dimensional list to bore helical structure, and this single cone helical structure adopts gradual change type list cone spiral metal sheet; Be specially: this list cone spiral metal sheet is along the axially conically spiral extension of antenna probe, and the diameter of single cone spiral metal sheet rearwardly increases gradually from end, and the sheet of single cone spiral metal sheet is wide rearwardly reduces gradually from end.
2. ultrabroad band all-around top absorbing antenna according to claim 1, it is characterized in that: in described single cone spiral metal chip architecture, the medial and lateral helical wheel profile of single cone spiral metal sheet is formed respectively by but the medial and lateral cone of different tapering coaxial around two; The side of described inboard cone and the angle theta of its axis are 25-27 °.
3. ultrabroad band all-around top absorbing antenna according to claim 2, is characterized in that: the pitch of described single cone spiral metal sheet is P, P=38-40mm; The number of turns of single cone spiral metal sheet is N, N=16/9.
4. ultrabroad band all-around top absorbing antenna according to claim 2, is characterized in that: the end flaps of described single cone spiral metal sheet is wide is W
0, W
0=14mm; The tail sheet of single cone spiral metal sheet is wide is W
1, W
1=5.2mm; The end of described single cone spiral metal sheet is r apart from the beeline of its axis
0, r
0=4.9mm.
5. ultrabroad band all-around top absorbing antenna according to claim 1, is characterized in that: the height of the end distance ground unit of described single cone spiral metal sheet is h, h=4.6mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520222205.4U CN205069854U (en) | 2015-04-14 | 2015-04-14 | Ceiling antenna of ultrabroad band qxcomm technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520222205.4U CN205069854U (en) | 2015-04-14 | 2015-04-14 | Ceiling antenna of ultrabroad band qxcomm technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205069854U true CN205069854U (en) | 2016-03-02 |
Family
ID=55396365
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520222205.4U Expired - Fee Related CN205069854U (en) | 2015-04-14 | 2015-04-14 | Ceiling antenna of ultrabroad band qxcomm technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205069854U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105514581A (en) * | 2015-04-14 | 2016-04-20 | 江苏华灿电讯股份有限公司 | Ultra-wideband omnidirectional ceiling antenna |
-
2015
- 2015-04-14 CN CN201520222205.4U patent/CN205069854U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105514581A (en) * | 2015-04-14 | 2016-04-20 | 江苏华灿电讯股份有限公司 | Ultra-wideband omnidirectional ceiling antenna |
| CN105514581B (en) * | 2015-04-14 | 2018-08-14 | 江苏华灿电讯股份有限公司 | A kind of ultrabroad band all-around top absorbing antenna |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 226500 Yongfu County, Rugao City, Jiangsu province Nantong Yongfu industrial concentration area (Yongfu village five sets) Patentee after: Jiangsu Huacan Telecom Group Co.,Ltd. Address before: 226500 Yongfu County, Rugao City, Jiangsu province Nantong Yongfu industrial concentration area (Yongfu village five sets) Patentee before: JIANGSU HUACAN TELECOMMUNICATION Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160302 |