CN108899638A - A kind of ultra wide band ceiling mount antenna - Google Patents

A kind of ultra wide band ceiling mount antenna Download PDF

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Publication number
CN108899638A
CN108899638A CN201810744594.5A CN201810744594A CN108899638A CN 108899638 A CN108899638 A CN 108899638A CN 201810744594 A CN201810744594 A CN 201810744594A CN 108899638 A CN108899638 A CN 108899638A
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CN
China
Prior art keywords
lower half
wide band
half portion
ceiling mount
ultra wide
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Granted
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CN201810744594.5A
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Chinese (zh)
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CN108899638B (en
Inventor
李�权
黄子鸿
魏泽勇
李宏强
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Dongguan Sky Speed Communication Technology Co Ltd
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Dongguan Sky Speed Communication Technology Co Ltd
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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/36Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/36Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
    • H01Q1/364Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith using a particular conducting material, e.g. superconductor
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q13/00Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
    • H01Q13/02Waveguide horns
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02DCLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00Reducing energy consumption in communication networks
    • Y02D30/70Reducing energy consumption in communication networks in wireless communication networks

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  • Waveguide Aerials (AREA)
  • Details Of Aerials (AREA)

Abstract

The present invention relates to mobile communication antenna technical fields, refer in particular to a kind of ultra wide band ceiling mount antenna, including main body, the main body includes top half and lower half portion, the top half is fixedly connected with lower half portion, the top half and the lower half portion are funnel-form, and the top half and the lower half portion are formed separately the electromagnetic wave that two horn mouths receive different frequency range to external radiation or inwardly.

Description

A kind of ultra wide band ceiling mount antenna
Technical field
The present invention relates to mobile communication antenna technical fields, refer in particular to a kind of ultra wide band ceiling mount antenna.
Background technique
With the development of mobile communication system, the complexity of indoor covering system is higher and higher, performance to antenna and at Originally it puts forward new requirements.
Traditional ceiling type monopole antenna, generally there is the shortcomings that narrow bandwidth, it is more difficult to realize that multiband works, that is, It says that the effective frequency range of traditional antenna is fewer, is not able to satisfy future communications demand.Existing frequently-used mobile communication frequency range: Wimax (3.3-3.8GHz), wifi (2.4-2.48GHz, 5.15-5.8GHz), GPS (1.4-1.6GHz), BD (1.1- 1.3GHz), market is required to cover the antenna with super band.And existing in-door covering ceiling mount antenna, it is general only to cover The broadband of 698MHz to 2700MHz.
Meanwhile the wifi covering demand of each occasion is also more and more, in order to save resource and system in future extension, network Builder wishes for wifi to be also covered in same set of network system, and therefore, each operator needs one kind that can cover 698MHz The ceiling mount antenna covered to the UWB indoor of 6000MHz.
Summary of the invention
The present invention provides a kind of ultra wide band ceiling mount antenna for problem of the prior art, which can be compatible with 698MHz is to 12GHz frequency range, to realize that multiband works.
In order to solve the above-mentioned technical problem, the present invention adopts the following technical scheme that:A kind of ultra wide band ceiling mount antenna, feature It is:Including main body, the main body includes top half and lower half portion, and the top half is fixedly connected with lower half portion, The top half and the lower half portion are funnel-form, and the top half and the lower half portion are respectively formed loudspeaker Mouth receives the electromagnetic wave of different frequency range to external radiation or inwardly.
Preferably, the top half includes the first top surface and the first bottom surface, the lower half portion includes the second top surface With the second bottom surface, the first top surface and the first bottom surface, the second top surface and the second bottom surface are parallel, and the lower half portion is equipped with feedback Line, the feeder line are stretched out from the second top surface and are connect with the first bottom surface.
Preferably, the value range of the body height is 170.35~171.35mm.
Preferably, the curved surface circular cone polynomial equation of the top half is:The multinomial that the top half follows Equation is: Sz(u, v)=hT× (1-v), wherein Sx(u, v) represents the x coordinate in face, Sy (u, v) represents the y-coordinate in face, Sz(u, v) represents the z coordinate in face, and u value range is 0 to 2 π, and v value range is 0 to 1, tTFor The radius of first bottom surface, rTFor the difference of the first top surface radius and the first bottom surface radius, hTFor the whole height of top half, αT =1.02, βT=0.69, γT=0.84, δT=0.66, mTTTTT
Preferably, the value range of the first top surface diameter of the top half is 106.5mm~107.5mm, it is described The height value range of top half is 83.5mm~84.5mm.
Preferably, the curved surface circular cone polynomial equation of the lower half portion is:The multinomial that the lower half portion follows Equation is: Sz(u, v)=hB× v, at this:Sx(u, v) represents the x coordinate in face, Sy(u, v) Represent the y-coordinate in face, Sz(u, v) represents the z coordinate in face, and:U is by 0 to 2 π, and v is by 0 to 1, tBFor the radius of the second top surface, rBFor The difference of second bottom surface radius and the second top surface radius, hBFor the whole height of lower half portion, αB=1.98, βB=0.55, γB =0.56, δB=1.27, and:mBBBBB
Preferably, the value range of the second basal diameter of the lower half portion is 213.5~214.5mm, under described The height value range of half part is 85.5~86.5mm.
Preferably, the value range of distance is 0.75~0.95mm between the top half and lower half portion.
Preferably, the manufacture material of the main body is aluminium.
Beneficial effects of the present invention:It is small in size that the present invention provides one kind, while being able to satisfy various kinds of mobile communication standard grid The indoor ultra-broadband single polarization ceiling mount antenna of system requirements allows antenna to be compatible with 698MHz to 12GHz frequency range, so as to cover The frequency ranges such as lid mobile communication wimax, wifi, GPS, BD realize multiband work.As soon as covering is all simultaneously only with an antenna Communications band removes the trouble for installing multiple ceiling mount antennas from.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention;
Fig. 2 is the enlarged drawing in the portion A in Fig. 1;
Fig. 3 is the standing wave-frequency curve chart emulated to the present invention in 0.1GHz to 1.5GHz frequency range using HFSS software;
Fig. 4 is the standing wave-frequency curve chart emulated to the present invention in 0.5GHz to 2.0GHz frequency range using HFSS software;
Fig. 5 is the standing wave-frequency curve chart emulated to the present invention in 1.0GHz to 3.0GHz frequency range using HFSS software;
Fig. 6 is the standing wave-frequency curve chart emulated to the present invention in 2.5GHz to 4.5GHz frequency range using HFSS software;
Fig. 7 is the standing wave-frequency curve chart emulated to the present invention in 4GHz to 7GHz frequency range using HFSS software;
Fig. 8 is the standing wave-frequency curve chart emulated to the present invention in 7GHz to 10GHz frequency range using HFSS software;
Fig. 9 is the standing wave-frequency curve chart emulated to the present invention in 10GHz to 12GHz frequency range using HFSS software;
Figure 10 is the standing wave-frequency curve chart emulated to the present invention in 0.7GHz to 20GHz frequency range using CST software.
Appended drawing reference is respectively:1, main body;11, top half;111, the first top surface;112, the first bottom surface;12, lower half Point;121, the second top surface;122, the second bottom surface;123, feeder line.
Specific embodiment
For the ease of the understanding of those skilled in the art, the present invention is made further below with reference to embodiment and attached drawing Bright, the content that embodiment refers to not is limitation of the invention.The present invention is described in detail below in conjunction with attached drawing.
As shown in connection with fig. 1, a kind of ultra wide band ceiling mount antenna, including main body 1, the main body 1 include top half 11 under Half part 12, the top half 11 are fixedly connected with lower half portion 12,12 top halfs 11 and the lower half portion 12 be funnel-form, and the top half 11 includes the first top surface 111 and the first bottom surface 112, and the lower half portion 12 includes the Two top surfaces 121 and the second bottom surface 122, the first top surface 111 and the first bottom surface 112, the second top surface 121 and the second bottom surface 122 are In parallel, the lower half portion 12 is equipped with feeder line 123, and the feeder line 123 stretches out from the second top surface 121 and connects with the first bottom surface 112 It connects, top half 11 and lower half portion 12 is finally made to be respectively formed the electromagnetism that horn mouth receives different frequency range to external radiation or inwardly For wave to realize that multiband works, the manufacture material of the main body 1 is aluminium.
The present invention provides a kind of indoor ultra-broadband single polarization ceiling for meeting various kinds of mobile communication standard grid system requirement Antenna allows antenna to be compatible with 698MHz to 12GHz frequency range, so as to cover mobile communication wimax, wifi, GPS, BD etc. Frequency range realizes multiband work.As soon as only covering whole communications bands with an antenna simultaneously, remove the multiple ceiling mount antennas of installation from Trouble.
The value range of 1 height of main body is 169.35mm~172.35mm, and 1 height value of main body of the invention is 170.85mm.The value range of 111 diameter of the first top surface of the top half 11 is 106.5~107.5mm, of the invention The 111 diameter value of the first top surface of top half 11 is 107.0mm, the height value range of the top half 11 is 83.5~ 84.5mm, the height value of top half 11 of the present invention are 84.0mm.122 diameter of the second bottom surface of the lower half portion 12 takes Value range is 213.5~214.5mm, and the value of 122 diameter of the second bottom surface of lower half portion 12 of the invention is 214.0mm, institute The height value range for stating lower half portion 12 is 85.5~86.5mm, and the height value of lower half portion 12 of the invention is 86mm.
The value range of distance is 0.75~0.95mm, upper half of the present invention between the top half 11 and lower half portion 12 Value between part 11 and lower half portion 12 is 0.85mm.Change the distance values, the efficiency of entire ceiling mount antenna will be big Become, standing-wave ratio numerical value can be seriously affected, therefore the distance values are important.
The curved surface circular cone polynomial equation of the top half 11 is:
Sz(u, v)=hT×(1-v)。
Wherein,
Sx(u, v) represents the x coordinate in face;
Sy(u, v) represents the y-coordinate in face;
Sz(u, v) represents the z coordinate in face.
U value range is 0 to 2 π;
V value range is 0 to 1.
tTFor the radius of the first bottom surface 112, rTFor the difference of 112 radius of 111 radius of the first top surface and the first bottom surface, hTFor The whole height of top half 11.
tT=0.5mm, rT=53mm, hT=84mm, αT=1.02, βT=0.69, γT=0.84, δT=0.66.
And:mTTTTT=3.21.
Above-mentioned u, v numerical value is substituted into polynomial equation, S can be found outx(u, v), Sy(u, v), Sz(u, v), thus just The coordinate of each point on 1 surface of main body can be found out.
The polynomial equation that the lower half portion 12 follows is:
Sz(u, v)=hB×v。
At this:
Sx(u, v) represents the x coordinate in face;
Sy(u, v) represents the y-coordinate in face;
Sz(u, v) represents the z coordinate in face;
And:
The value range of u is 0 to 2 π,
The value range of v is 0 to 1,
tBFor the radius of the second top surface 121, rBFor the difference of 121 radius of 122 radius of the second bottom surface and the second top surface, hBFor The whole height of lower half portion, αB、βB、γB、δBFor constant.
tB=2mm, rB=105mm, hB=86mm, αB=1.98, βB=0.55, γB=0.56, δB=1.27.
And:mBBBBB=4.36.
Above-mentioned u, v numerical value is substituted into polynomial equation, S can be found outx(u, v), Sy(u, v), Sz(u, v), thus just The coordinate of 1 surface each point of main body can be found out.
Because top half 11 and the structure of lower half portion 12 follow the above multinomial rule, in conjunction with shown in Fig. 3-Fig. 9, 698MHz is below 1.7 using the standing-wave ratio as the result is shown of HFSS software emulation to the present invention, modern times transmitting to 12GHz frequency range Machine output power allows under certain mismatch condition, and standing-wave ratio < 1.7 or 2.0 reaches rated power;In conjunction with shown in Fig. 9, 0.7GHz is below 1.4 using the standing-wave ratio as the result is shown that CST software emulates to the present invention, in conjunction with above two to 20GHz frequency range The simulation result of kind software, it can be deduced that the present invention can work normally on 698MHz to 12GHz frequency range, so as to cover The frequency ranges such as lid mobile communication wimax, wifi, GPS, BD realize multiband work.
The above is only present pre-ferred embodiments and oneself, be not intended to limit the present invention in any form, although The present invention is disclosed as above with preferred embodiment, and however, it is not intended to limit the invention, any person skilled in the art, It does not depart within the scope of technical solution of the present invention, when the technology contents using the disclosure above make a little change or are modified to equivalent change The equivalent embodiment of change, but without departing from the technical solutions of the present invention, technology refers to above embodiments according to the present invention Made any simple modification, equivalent change and modification, belong in the range of technical solution of the present invention.

Claims (9)

1. a kind of ultra wide band ceiling mount antenna, it is characterised in that:Including main body (1), the main body (1) include top half (11) and Lower half portion (12), the top half (11) are fixedly connected with lower half portion (12), the top half (11) and described Lower half portion (12) is funnel-form, and the top half (11) and the lower half portion (12) are respectively formed the outside spoke of horn mouth Penetrate or inwardly receive the electromagnetic wave of different frequency range.
2. a kind of ultra wide band ceiling mount antenna according to claim 1, it is characterised in that:The top half (11) includes the One top surface (111) and the first bottom surface (112), the lower half portion (12) include the second top surface (121) and the second bottom surface (122), First top surface (111) and the first bottom surface (112), the second top surface (121) and the second bottom surface (122) are parallel, the lower half (12) are divided to be equipped with feeder line (123), the feeder line (123) is stretched out from the second top surface (121) and connect with the first bottom surface (112).
3. a kind of ultra wide band ceiling mount antenna according to claim 1, it is characterised in that:The value of main body (1) height Range is 169.35mm~172.35mm.
4. a kind of ultra wide band ceiling mount antenna according to claim 1, it is characterised in that:What the top half (11) followed Polynomial equation is: Sz(u, v)=hT× (1-v), wherein Sx(u, v) generation The x coordinate on surface, Sy(u, v) represents the y-coordinate in face, Sz(u, v) represents the z coordinate in face, and u value range is 0 to 2 π, v value model Enclosing is 0 to 1, tTFor the radius of the first bottom surface (112), rTFor the difference of the first top surface (111) radius and the first bottom surface (112) radius Value, hTFor the whole height of top half (11), αT=1.02, βT=0.69, γT=0.84, δT=0.66, mTTTTT
5. a kind of ultra wide band ceiling mount antenna according to claim 1, it is characterised in that:The first of the top half (11) The value range of top surface (111) diameter is 106.5mm~107.5mm, and the height value range of the top half (11) is 83.5mm~84.5mm.
6. a kind of ultra wide band ceiling mount antenna according to claim 1, it is characterised in that:What the lower half portion (12) followed Polynomial equation is: Sz(u, v)=hB× v, at this:Sx(u, v) represents face X coordinate, Sy(u, v) represents the y-coordinate in face, Sz(u, v) represents the z coordinate in face, and:U is by 0 to 2 π, and v is by 0 to 1, tBIt is second The radius of top surface (121), rBFor the difference of the second bottom surface (122) radius and the second top surface (121) radius, hBFor lower half portion (12) whole height, αB=1.98, βB=0.55, γB=0.56, δB=1.27, and:mBBBBB
7. a kind of ultra wide band ceiling mount antenna according to claim 1, it is characterised in that:The second of the lower half portion (12) The value range of bottom surface (122) diameter is 213.5~214.5mm, and the height value range of the lower half portion (12) is 85.5 ~86.5mm.
8. a kind of ultra wide band ceiling mount antenna according to claim 1, it is characterised in that:The top half (11) and lower half Partially the value range of distance is 0.75~0.95mm between (12).
9. a kind of ultra wide band ceiling mount antenna according to claim 1, it is characterised in that:The manufacture material of the main body (1) For aluminium.
CN201810744594.5A 2018-07-09 2018-07-09 Ultra-wideband ceiling antenna Active CN108899638B (en)

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Application Number Priority Date Filing Date Title
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CN108899638B CN108899638B (en) 2023-12-08

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2614404A (en) * 2021-11-01 2023-07-05 Src Inc Wideband monopole antenna

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060055612A1 (en) * 2003-12-31 2006-03-16 Samsung Electronics Co., Ltd. Ultra-wideband planar antenna having frequency notch function
US20070194990A1 (en) * 2005-09-02 2007-08-23 Ching-Wei Ling Monopole antenna for ultrawideband applications
CN201018001Y (en) * 2006-10-26 2008-02-06 浙江大学 Novel ultra-wideband antenna
US20080218426A1 (en) * 2007-03-08 2008-09-11 Hong Fu Jin Precision Industry (Shenzhen) Co., Ltd. Ultra wideband antenna
US20090237314A1 (en) * 2008-03-21 2009-09-24 Farzin Lalezari Broadband antenna system allowing multiple stacked collinear devices
CN101694904A (en) * 2009-10-16 2010-04-14 中国联合网络通信集团有限公司 All-around top absorbing antenna used in indoor distribution system of mobile communication network
US20130050040A1 (en) * 2011-08-25 2013-02-28 Harris Corporation Truncated biconical dipole antenna with dielectric separators and associated methods
CN203760634U (en) * 2013-11-18 2014-08-06 中国移动通信集团河北有限公司 Hollow-out omnidirectional ceiling antenna
KR101596258B1 (en) * 2014-09-12 2016-02-22 국방과학연구소 Horn antenna
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
CN106785380A (en) * 2017-03-14 2017-05-31 昆山瀚德通信科技有限公司 Ultra wide band ceiling mount antenna
CN208336497U (en) * 2018-07-09 2019-01-04 东莞天速通信技术有限公司 A kind of ultra wide band ceiling mount antenna

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060055612A1 (en) * 2003-12-31 2006-03-16 Samsung Electronics Co., Ltd. Ultra-wideband planar antenna having frequency notch function
US20070194990A1 (en) * 2005-09-02 2007-08-23 Ching-Wei Ling Monopole antenna for ultrawideband applications
CN201018001Y (en) * 2006-10-26 2008-02-06 浙江大学 Novel ultra-wideband antenna
US20080218426A1 (en) * 2007-03-08 2008-09-11 Hong Fu Jin Precision Industry (Shenzhen) Co., Ltd. Ultra wideband antenna
US20090237314A1 (en) * 2008-03-21 2009-09-24 Farzin Lalezari Broadband antenna system allowing multiple stacked collinear devices
CN101694904A (en) * 2009-10-16 2010-04-14 中国联合网络通信集团有限公司 All-around top absorbing antenna used in indoor distribution system of mobile communication network
US20130050040A1 (en) * 2011-08-25 2013-02-28 Harris Corporation Truncated biconical dipole antenna with dielectric separators and associated methods
CN203760634U (en) * 2013-11-18 2014-08-06 中国移动通信集团河北有限公司 Hollow-out omnidirectional ceiling antenna
KR101596258B1 (en) * 2014-09-12 2016-02-22 국방과학연구소 Horn antenna
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
CN106785380A (en) * 2017-03-14 2017-05-31 昆山瀚德通信科技有限公司 Ultra wide band ceiling mount antenna
CN208336497U (en) * 2018-07-09 2019-01-04 东莞天速通信技术有限公司 A kind of ultra wide band ceiling mount antenna

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2614404A (en) * 2021-11-01 2023-07-05 Src Inc Wideband monopole antenna
US11888246B2 (en) 2021-11-01 2024-01-30 Src, Inc. Wideband monopole antenna
GB2614404B (en) * 2021-11-01 2024-05-29 Src Inc Wideband monopole antenna

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