CN108172967A - Wide band bipolar omni-directional ceiling antenna - Google Patents
Wide band bipolar omni-directional ceiling antenna Download PDFInfo
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- CN108172967A CN108172967A CN201711277831.3A CN201711277831A CN108172967A CN 108172967 A CN108172967 A CN 108172967A CN 201711277831 A CN201711277831 A CN 201711277831A CN 108172967 A CN108172967 A CN 108172967A
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- reflection plate
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- wide band
- radiating
- coaxial cable
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/42—Housings not intimately mechanically associated with radiating elements, e.g. radome
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
- H01Q1/521—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure reducing the coupling between adjacent antennas
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
- H01Q15/24—Polarising devices; Polarisation filters
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
- H01Q19/10—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/10—Resonant antennas
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/20—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements characterised by the operating wavebands
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- Waveguide Aerials (AREA)
Abstract
The invention discloses a kind of wide band bipolar omni-directional ceiling antennas, including antenna house, two horizontal polarization ports and installation screw rod, PVC bottom plates and coupled reflection plate are fixed in antenna house, the back side of coupled reflection plate is fixed on PVC bottom plates, PVC bottom plates are fixed with antenna house cooperation, the front of coupled reflection plate be equipped with vertical folding into coupling aluminium flake, the front of coupled reflection plate is symmetrically set with two radiating doublets, two metal line cards and isolation aluminium flake, radiating doublet uses pack alloy integration metal structure oscillator, isolation aluminium flake is fixed between two radiating doublets, horizontal polarization port includes connector and coaxial cable, one end of coaxial cable and weld, the other end passes through installation screw rod to be connected with radiating doublet feed, coaxial cable is stuck in by metal line card on coupled reflection plate fixed.Structure of the present invention is relatively simple, feed is succinct, size is smaller, thinner thickness, cost is relatively low, be easy to large-scale production, performance indicator is preferable.
Description
Technical field
The present invention relates to field of antenna, more particularly to a kind of wide band bipolar omni-directional ceiling antenna.
Background technology
" room divided antenna " is one of component of most critical of mobile communication indoor distribution system, and the quality of performance is directly
The effect of in-door covering being influenced, at present domestic existing wideband omni-directional ceiling suction antenna, performance indicator is not ideal, when
The bandwidth of antenna is inadequate, and frequency range generally in 806MHz~960MHz/1710 MHz~2700MHz, lacks the low of LTE system
Frequency range (698MHz~806MHz)；Second is that small part Wide-frequency antenna on ceiling frequency range can reach 698MHz~960MHz/
1710MHz~2700MHz, but standing-wave ratio 2~2.5 hereinafter, isolation and intermodulation index are also undesirable, two slave antenna phases
Interference is had between mutually, influences the quality of indoor distribution system network covering, while operator avoids work for investment reduction cost
The repeated construction of journey, it is desirable that antenna can be operated in frequency band as wider as possible, and existing Dual-polarization ceiling antenna is very
Difficulty takes into account entire frequency range, even if small part circuitry specifications can meet wide band requirement, but radiance index is difficult to meet
Operator's requirement；Third, domestic existing band dual polarization ceiling mount antenna product is set mostly using double cone structure at present
Meter, structure is all more complicated, and volume is larger, and for antenna height all in more than 100mm, cost of implementation is higher, and feeding network is multiple
It is miscellaneous, and the polarization isolation between antenna is poor, and the mutual interference of two slave antennas is larger.
Invention content
The technical problem to be solved in the present invention is, for the drawbacks described above of the prior art, it is more simple to provide a kind of structure
Single, feed is succinctly, size is smaller, thinner thickness, cost is relatively low, is easy to large-scale production, preferable wide band pair of performance indicator
Polarize all-around top absorbing antenna.
The technical solution adopted by the present invention to solve the technical problems is：A kind of wide band bipolar omni-directional is constructed to inhale
Antenna is pushed up, including antenna house, two horizontal polarization ports and installation screw rod, PVC bottom plates and coupling are fixed in the antenna house
Reflecting plate is closed, the back side of the coupled reflection plate is fixed on the PVC bottom plates, and the PVC bottom plates coordinate with the antenna house
It is fixed, the front of the coupled reflection plate be equipped with vertical folding into coupling aluminium flake, the front left and right pair of the coupled reflection plate
Claiming setting, the radiating doublet uses pack alloy integration there are two radiating doublet, two metal line cards and isolation aluminium flake
Metal structure oscillator, the isolation aluminium flake are fixed between two radiating doublets, each horizontal polarization port Jun Bao
Connector and coaxial cable, one end of the coaxial cable and the weld are included, the other end of the coaxial cable passes through institute
It states installation screw rod to connect with the corresponding radiating doublet feed, each coaxial cable passes through the corresponding metal
Line card is stuck on the coupled reflection plate fixed.
In wide band bipolar omni-directional ceiling antenna of the present invention, the coupling aluminium flake is in type shape, institute
It is parallel with the PVC bottom plates to state coupling aluminium flake.
In wide band bipolar omni-directional ceiling antenna of the present invention, the radiating surface of the radiating doublet is in length
Cube shape.
In wide band bipolar omni-directional ceiling antenna of the present invention, the longest on each radiating doublet
The edge of radiating surface be equipped with vertical folding into type shape distributing point, the inner wire of the coaxial cable and the feedback
Electricity point, which connects, to be simultaneously welded and fixed, and is additionally provided at feed ground on each radiating doublet, the outer conductor of the coaxial cable with
It connects and is welded and fixed at the feed ground.
In wide band bipolar omni-directional ceiling antenna of the present invention, the one of the radiating surface of the radiating doublet
A chamfering position be equipped with vertical folding into L-type support arm, one end of the support arm is ground terminal, the ground terminal with
Conducting is fixed in the coupled reflection plate earthing, and the other end of the support arm supports the radiating surface and connects with the radiating surface
It connects.
In wide band bipolar omni-directional ceiling antenna of the present invention, the thickness of the coupled reflection plate is
1.3mm~1.7mm, length are 153mm~157mm, and width is the Al-alloy metal plate of 142mm~146mm.
In wide band bipolar omni-directional ceiling antenna of the present invention, the PVC bottom plates are plastic pvc bottom plate.
Implement the wide band bipolar omni-directional ceiling antenna of the present invention, have the advantages that：Due to being equipped with antenna
Cover, two horizontal polarization ports and installation screw rod, are fixed with PVC bottom plates and coupled reflection plate, coupled reflection plate in antenna house
The back side be fixed on PVC bottom plates, the front of coupled reflection plate be equipped with vertical folding into coupling aluminium flake, coupled reflection plate
Front is symmetrically set with two radiating doublets, two metal line cards and isolation aluminium flake, and two horizontal polarization ports are all water
Mean pole, each radiating doublet use pack alloy integration metal structure oscillator, since radiating doublet is set using integration
Meter, and two polarisation units are closer to the distance, can obtain relatively good horizontal radiation pattern out-of-roundness；Additionally due to multiband
An oscillator body being shared, and the realization method for feeding balance is simple so that the parts needed for antenna are less, and product size is small,
Light-weight, coupled reflection plate main function is the directionality for enhancing antenna, and coupling aluminium flake plays in terms of the matching of antenna impedance
The effect of coupled resonance, it can make the imbalance of antenna current become balancing, and form broadband, and isolation aluminium flake is fixed on two
Between a radiating doublet, it is possible to increase isolation reduces the mutual interference of two slave antennas, therefore structure is relatively simple, feed
Succinctly, size is smaller, thinner thickness, cost is relatively low, be easy to large-scale production, performance indicator is preferable.
Description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will to embodiment or
Attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
Some embodiments of the present invention, for those of ordinary skill in the art, without creative efforts, also
Other attached drawings can be obtained according to these attached drawings.
Fig. 1 is that the right side in the wide band bipolar omni-directional ceiling antenna one embodiment of the present invention is illustrated regarding sectional structure
Figure；
Fig. 2 is the main structure diagram of wide band bipolar omni-directional ceiling antenna in the embodiment；
Fig. 3 is the dimensional structure diagram of coupled reflection plate in the embodiment；
Fig. 4 is the dimensional structure diagram that aluminium flake is isolated in the embodiment；
Fig. 5 is the dimensional structure diagram of a radiating doublet in the embodiment；
Fig. 6 is the main structure diagram of a radiating doublet in the embodiment；
Fig. 7 is the right side structural representation of a radiating doublet in the embodiment；
Fig. 8 is the dimensional structure diagram of another radiating doublet in the embodiment；
Fig. 9 is the main structure diagram of another radiating doublet in the embodiment；
Figure 10 is the right side structural representation of another radiating doublet in the embodiment；
Figure 11 is the standing wave pattern of the test of wide band bipolar omni-directional ceiling antenna in the embodiment；
Figure 12 be the embodiment in wide band bipolar omni-directional ceiling antenna 698MHz horizontal plane and vertical plane
Directional diagram；
Figure 13 be the embodiment in wide band bipolar omni-directional ceiling antenna 824MHz horizontal plane and vertical plane
Directional diagram；
Figure 14 be the embodiment in wide band bipolar omni-directional ceiling antenna 960MHz horizontal plane and vertical plane
Directional diagram；
Figure 15 be in the embodiment wide band bipolar omni-directional ceiling antenna in the horizontal plane of 1710MHz and vertical
The directional diagram in face；
Figure 16 be in the embodiment wide band bipolar omni-directional ceiling antenna in the horizontal plane of 2170MHz and vertical
The directional diagram in face；
Figure 17 be in the embodiment wide band bipolar omni-directional ceiling antenna in the horizontal plane of 2690MHz and vertical
The directional diagram in face.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art obtained without making creative work it is all its
His embodiment, shall fall within the protection scope of the present invention.
In the wide band bipolar omni-directional ceiling antenna embodiment of the present invention, the wide band bipolar omni-directional ceiling
The right side of antenna regards schematic cross-sectional view as shown in Figure 1, the front view structure signal of the wide band bipolar omni-directional ceiling antenna
Figure is as shown in Fig. 2, the wide band bipolar omni-directional ceiling antenna includes 1, two horizontal polarization port of antenna house and installation spiral shell
Bar 4 is fixed with PVC bottom plates 12 and coupled reflection plate 5 in antenna house 1, and the back side of coupled reflection plate 5 is fixed on PVC bottom plates 12
On, PVC bottom plates 12 are fixed with the cooperation of antenna house 1, wherein, the main function of coupled reflection plate 5 is the directionality for enhancing antenna,
Coupled reflection plate 5 is metallic reflection plate, and PVC bottom plates 12 are plastic pvc bottom plate, and metallic reflection plate is fixed on plastic pvc bottom
On plate, this design can reduce contact surface unstable between metal and metal, can improve the third order intermodulation value of antenna.
The front of coupled reflection plate 5 be equipped with vertical folding into coupling aluminium flake 6, coupling aluminium flake 6 antenna impedance matching
Aspect plays the role of coupled resonance, it can make the imbalance of antenna current become balancing, and forms broadband, low standing wave
Characteristic, so as to reach the conjugate impedance match of antenna impedance, the dimensional structure diagram of coupled reflection plate 5 is referring to Fig. 3.Coupled reflection
The front of plate 5 is symmetrically set with two radiating doublets, 10, two metal line cards 11 and isolation aluminium flake 9, radiating doublet 10
Using air microstrip technology, radiating doublet 10 uses pack alloy integration metal structure oscillator for design, in this way can be to avoid
The dielectric loss that the radiating doublet of circuit board structure is brought reduces using dielectric loss caused by dielectric microstrip, improves antenna
Radiation efficiency.Since radiating doublet 10 is using integrated design, and two polarisation units are closer to the distance, can be compared
Good horizontal radiation pattern out-of-roundness；Additionally due to multiband shares an oscillator body, and feed the realization method letter of balance
It is single so that the parts needed for antenna are less, and product size is smaller, lighter in weight.
The height of the wide band bipolar omni-directional ceiling antenna only has 37mm, can reduce overall volume in this way, is manufacturing
There is advantage, which has that size is smaller, thinner thickness, lighter in weight, outer in cost
The advantages that shape beauty, dual-port, excellent broadband and radiance index.
Isolation aluminium flake 9 is fixed between two radiating doublets 10, it is possible to increase it is mutual to reduce by two slave antennas for isolation
Interference, be isolated aluminium flake 9 dimensional structure diagram it is shown in Figure 4.
In the present embodiment, the polarization mode of two horizontal polarization ports is all horizontal polarization, and each horizontal polarization port is equal
Including connector 2 and coaxial cable, one end and the connector 2 of coaxial cable weld, that is, by being welded and fixed, coaxial cable
The other end passes through installation screw rod 4 to be fed with corresponding radiating doublet 10 and connects, and each coaxial cable passes through corresponding metal wire
Card 11 is stuck on coupled reflection plate 7 and fixes, and can prevent loosening for coaxial cable in this way.
Multiple improve and perfect of the wide band bipolar omni-directional ceiling antenna product through sample of the present invention, most passes through afterwards
The detection verification of instrument, frequency range can reach 698MHz~960MHz/1710MHz~2700MHz, and broadband reaches
The coverage area more perfect than similar product and more excellent performance can increase working frequency range, expand the work of all-around top absorbing antenna
Make band limits, improve the availability of frequency spectrum of wireless communication system, can be applied in all kinds of cordless communication network coverings, including
The low-frequency range (698MHz -806MHz) of LTE system, CDMA frequency ranges (806MHz-896MHz), GSM frequency ranges (890MHz-
960MHz), DCS frequency ranges (1710MHz-1880MHz), PCS frequency range (1850MHz-1990MHz), TD-SCDMA, WCDMA,
CDMA2000 frequency ranges (1920MHz-2170MHz), WLAN frequency ranges (2400MHz-2500MHz), LTE frequency ranges (2300MHz-
2400MHz, 2500MHz -2700MHz)；Low-frequency range (698MHz-960MHz) gain reaches 2~3dBi or so, standing-wave ratio 1.70
Hereinafter, high band (1710MHz-2700MHz) gain reaches 3~4dBi or so, standing-wave ratio 1.5 is hereinafter, the horizontal plane half of antenna
360 ° of power angle, 50~60 ° of vertical plane half-power angle, and the out-of-roundness of horizontal radiation pattern are within ± 1dB, reference can be made to figure
11~Figure 16, Figure 11 are the standing wave pattern of the test of wide band bipolar omni-directional ceiling antenna in the present embodiment, and Figure 12 is this reality
Wide band bipolar omni-directional ceiling antenna is applied in example in the horizontal plane of 698MHz and the directional diagram of vertical plane；Figure 13 is this reality
Wide band bipolar omni-directional ceiling antenna is applied in example in the horizontal plane of 824MHz and the directional diagram of vertical plane；Figure 14 is this reality
Wide band bipolar omni-directional ceiling antenna is applied in example in the horizontal plane of 960MHz and the directional diagram of vertical plane；Figure 15 is this reality
Wide band bipolar omni-directional ceiling antenna is applied in example in the horizontal plane of 1710MHz and the directional diagram of vertical plane；Figure 15 is this reality
Wide band bipolar omni-directional ceiling antenna is applied in example in the horizontal plane of 2170MHz and the directional diagram of vertical plane；Figure 16 is this reality
Wide band bipolar omni-directional ceiling antenna is applied in example in the horizontal plane of 2690MHz and the directional diagram of vertical plane.This is wide band
The polarization isolation of bipolar omni-directional ceiling antenna is less than -30dB, and cross polarization ratio is less than -20dB, isolation and anti-jamming effectiveness
Preferably, the requirement of various wireless communication system frequency ranges distributed network covering indoors can be met.
In the present embodiment, it is parallel with PVC bottom plates 12 to couple aluminium flake 6 in type shape for coupling aluminium flake 6.By radiating doublet 10
It is designed to irregular shape, sub-fraction is cut on a corner of rectangular shape, herein down aluminium flake vertical folding
Into the support arm of a L-type, i.e., the radiating surface of radiating doublet 10 chamfering position be equipped with vertical folding into L-type branch
Brace, one end of support arm is ground terminal 13, ground terminal 13 and the fixed conducting of the ground connection of coupled reflection plate 5, the other end of support arm
Support radiating surface is simultaneously connect with radiating surface.
At the edge of 10 longest radiating surface of radiating doublet down aluminium flake vertical folding into a type shape, for radiation
The place of the feed connection of oscillator 10, i.e. distributing point 7, in other words, the edge of the longest radiating surface on each radiating doublet 10 is equal
Equipped with vertical folding into type shape distributing point 7, the inner wire of coaxial cable connect and is welded and fixed with distributing point 7, often
It is additionally provided on a radiating doublet 10 8 at feed ground, the outer conductor of coaxial cable connect and is welded and fixed at feed ground 8.
Fig. 5 is the dimensional structure diagram of a radiating doublet in the embodiment；Fig. 6 is a radiating doublet in the present embodiment
Main structure diagram；Fig. 7 is the right side structural representation of a radiating doublet in the present embodiment；Fig. 8 is another in the present embodiment
The dimensional structure diagram of one radiating doublet；Fig. 9 is the main structure diagram of another radiating doublet in the present embodiment；
Figure 10 is the right side structural representation of another radiating doublet in the present embodiment.Radiating doublet 10 is designed to irregular shape,
First, in order to reduce the volume of antenna, the height of antenna is reduced, second is that being passed by changing radiating surface and circuit on radiating doublet 10
Size, shape and the distributing point 7 of defeated line are to different spacing everywhere, to obtain the preferable unit for electrical property parameters of antenna.
In the present embodiment, the thickness of coupled reflection plate 5 is 1.3mm~1.7mm, and length is 153mm~157mm, and width is
The Al-alloy metal plate of 142mm~146mm.
In short, since radiating doublet 10 is using integrated design, and the polarization mode of two horizontal polarization ports is all
Horizontal polarization, polarisation unit is closer to the distance, relatively good horizontal radiation pattern out-of-roundness can be obtained, since multiband shares
One oscillator body, and the realization method for feeding balance is simple so that the parts needed for antenna are less, have in manufacture cost
It is advantageous, equipment operator low cost and high performance requirement can be met.
The wide band bipolar omni-directional ceiling antenna of the present invention has that low section, size be small, the thin (antenna height of thickness
Only 37mm), good appearance, lighter in weight, dual-port, excellent broadband and radiance index the advantages that, while this hair
Bright wide band bipolar omni-directional ceiling antenna dual polarization covering, antenna structure is relatively simple, installs more convenient, cost
It is more cheap, make relatively simple, when welding only needs one man operation, can settle at one go so that the efficient of operation is welded,
Production efficiency can be greatly improved, while also promotes the quality of product, is easy to the large-scale production of product, can be used for simultaneously
The telecommunications use of all frequency ranges of 698MHz~2700MHz.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
With within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention god.
Claims (7)
1. a kind of wide band bipolar omni-directional ceiling antenna, which is characterized in that including antenna house, two horizontal polarization ports and
Screw rod is installed, is fixed with PVC bottom plates and coupled reflection plate in the antenna house, the back side of the coupled reflection plate is fixed on institute
It states on PVC bottom plates, the PVC bottom plates are fixed with antenna house cooperation, and the front of the coupled reflection plate is equipped with vertical folding
Into coupling aluminium flake, the front of the coupled reflection plate be symmetrically set with two radiating doublets, two metal line cards and every
From aluminium flake, the radiating doublet uses pack alloy integration metal structure oscillator, and the isolation aluminium flake is fixed on two institutes
Between stating radiating doublet, each horizontal polarization port includes connector and coaxial cable, one end of the coaxial cable with
The weld, the other end of the coaxial cable pass through the installation screw rod to connect with the corresponding radiating doublet feed
It connects, each coaxial cable is stuck in by the corresponding metal line card on the coupled reflection plate fixed.
2. wide band bipolar omni-directional ceiling antenna according to claim 1, which is characterized in that it is described coupling aluminium flake be in
Type shape, the coupling aluminium flake are parallel with the PVC bottom plates.
3. wide band bipolar omni-directional ceiling antenna according to claim 2, which is characterized in that the radiating doublet
Radiating surface is in rectangular shape.
4. wide band bipolar omni-directional ceiling antenna according to claim 3, which is characterized in that each radiation is shaken
The edge of longest radiating surface on son be equipped with vertical folding into type shape distributing point, the inner wire of the coaxial cable
It connect and is welded and fixed with the distributing point, be additionally provided at feed ground on each radiating doublet, the coaxial cable
It connect and is welded and fixed at outer conductor and the feed ground.
5. wide band bipolar omni-directional ceiling antenna according to claim 3 or 4, which is characterized in that the radiation is shaken
One chamfering position of the radiating surface of son be equipped with vertical folding into L-type support arm, one end of the support arm is ground terminal,
The ground terminal and the coupled reflection plate earthing, which are fixed, to be connected, the other end of the support arm support the radiating surface and with institute
State radiating surface connection.
6. wide band bipolar omni-directional ceiling antenna according to any one of claims 1 to 4, which is characterized in that institute
The thickness for stating coupled reflection plate is 1.3mm~1.7mm, and length is 153mm~157mm, and the aluminium that width is 142mm~146mm closes
Golden metallic plate.
7. wide band bipolar omni-directional ceiling antenna according to any one of claims 1 to 4, which is characterized in that institute
PVC bottom plates are stated as plastic pvc bottom plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711277831.3A CN108172967A (en) | 2017-12-06 | 2017-12-06 | Wide band bipolar omni-directional ceiling antenna |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711277831.3A CN108172967A (en) | 2017-12-06 | 2017-12-06 | Wide band bipolar omni-directional ceiling antenna |
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| CN108172967A true CN108172967A (en) | 2018-06-15 |
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| CN201711277831.3A Pending CN108172967A (en) | 2017-12-06 | 2017-12-06 | Wide band bipolar omni-directional ceiling antenna |
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| CN109742558A (en) * | 2018-12-29 | 2019-05-10 | 江苏省东方世纪网络信息有限公司 | Inhale antenna in dual polarization top |
| CN115275592A (en) * | 2022-08-01 | 2022-11-01 | 常州仁千电气科技股份有限公司 | Omnidirectional ceiling antenna |
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| CN105071025A (en) * | 2015-06-24 | 2015-11-18 | 中国铁塔股份有限公司山西省分公司 | Double indoor ceiling-mounted broadband omnidirectional multiple input multiple output (MIMO) antenna |
| CN105449353A (en) * | 2015-12-16 | 2016-03-30 | 江苏省东方世纪网络信息有限公司 | Omnidirectional ceiling antenna |
| CN205723937U (en) * | 2016-04-18 | 2016-11-23 | 东莞积信制造有限公司 | A kind of dual-band and dual-polarization indoor omnidirectional antenna structure |
| CN205680777U (en) * | 2016-05-19 | 2016-11-09 | 深圳市爱伦纳电讯实业有限公司 | A kind of MIMO ceiling mount antenna |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109728424A (en) * | 2018-11-27 | 2019-05-07 | 广州创锦通信技术有限公司 | Four port sucker combined antennas |
| CN109728411A (en) * | 2018-11-27 | 2019-05-07 | 广州创锦通信技术有限公司 | Apply the terminal antenna in WLAN |
| CN109728411B (en) * | 2018-11-27 | 2020-09-11 | 广州创锦通信技术有限公司 | Terminal antenna applied to wireless local area network |
| CN109742558A (en) * | 2018-12-29 | 2019-05-10 | 江苏省东方世纪网络信息有限公司 | Inhale antenna in dual polarization top |
| CN115275592A (en) * | 2022-08-01 | 2022-11-01 | 常州仁千电气科技股份有限公司 | Omnidirectional ceiling antenna |
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Application publication date: 20180615 |
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