CN203398309U - Wideband omni-directional base station antenna - Google Patents
Wideband omni-directional base station antenna Download PDFInfo
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- CN203398309U CN203398309U CN201320476563.9U CN201320476563U CN203398309U CN 203398309 U CN203398309 U CN 203398309U CN 201320476563 U CN201320476563 U CN 201320476563U CN 203398309 U CN203398309 U CN 203398309U
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Abstract
The utility model discloses a wideband omni-directional base station antenna, comprising a cylindrical radome, a high-frequency antenna array, a low-frequency antenna array and a combiner. The high-frequency antenna array, the low-frequency antenna array and the combiner are all arranged inside the cylindrical radome. The combiner is arranged between the high-frequency antenna array and the low-frequency antenna array and is electrically connected with the high-frequency antenna array and the low-frequency antenna array. According to the wideband omni-directional base station antenna, the high-frequency antenna array and the low-frequency antenna array are designed to be separated and are connected to a radio frequency input port through the wideband combiner, thereby meeting the wideband characteristics; in addition, the out-of-roundness of an antenna horizontal plane is effectively raised, so that the wideband omni-directional base station antenna is small in size and beautiful in appearance; and the communication signal is ensured without affecting the beauty of city environments.
Description
Technical field
The utility model relates to mobile communication antenna field, particularly a kind of wideband omni-directional antenna for base station.
Background technology
In mobile communication technology, the transmission of signal be unable to do without antenna for base station with covering, along with townie raising, urban environment is more and more subject to people's attention, common antenna is attractive in appearance and usually suffer people's opposition and cannot construct building a station while establishing frame owing to affecting urban environment, yet antenna in the prior art generally all will be built a station and establish frame, so will cause a lot of contradiction, thereby affect the attractive in appearance of urban environment.
Summary of the invention
Utility model object: the problem and shortage existing for above-mentioned prior art, the purpose of this utility model is to provide and can guarantees that signal of communication does not affect again the wideband omni-directional antenna for base station that urban environment is attractive in appearance
Technical scheme: for realizing above-mentioned utility model object, the technical solution adopted in the utility model is a kind of wideband omni-directional antenna for base station, comprise cylindrical antenna cover, high frequency antenna battle array, low-frequency antenna battle array and mixer, described high frequency antenna battle array, low-frequency antenna battle array and mixer are all arranged on the inside of cylindrical antenna cover, and described mixer is arranged between high frequency antenna battle array and low-frequency antenna battle array and is electrically connected to high frequency antenna battle array and low-frequency antenna battle array respectively.
Wherein, described high frequency antenna battle array comprises four half-wave doublets, and described four half-wave doublets are in line and equidistantly arrange, and can realize perpendicular polarization like this, can effectively improve antenna horizontal plane deviation in roundness; Two arms of doublet are placed in respectively front and the reverse side of medium pcb board, and a period of time arm in pcb board front passes through microstrip line connected feed between two; Wherein, described low-frequency antenna battle array is identical with the structure of high frequency antenna battle array.
Further, described mixer is broadband combiner, and wherein the high frequency output mouth of mixer is connected with high frequency antenna battle array, and low frequency delivery outlet is connected with low-frequency antenna battle array.By mixer, be connected to input port again, can better meet the indices requirement of omni-base station antenna.
In order effectively to guarantee the deviation in roundness of antenna integral body, the connector of high frequency antenna battle array, low-frequency antenna battle array and mixer is fixed on cylindrical antenna Zhao center by fixture.
Further, cylindrical antenna cover adopts fiberglass cylindrical antenna cover or adopts epoxy glass fabric cylindrical antenna cover, wherein, the radome that epoxy glass fabric processes, wave is good, little to antenna pattern Index Influence.
Operation principle: wideband omni-directional antenna for base station described in the utility model adopts doublet as basic radiating element, doublet is carried out to line array arrangement, when having radiofrequency signal input, each half-wave doublet can produce a circular antenna pattern, owing to carrying out rectilinear(-al), the antenna pattern that all half-wave doublets in array produce can superpose, finally form one with the perpendicular disc directional diagram of antenna array direction, thereby realized horizontal direction omnidirectional radiation.In order to improve antenna horizontal direction coverage effect, need to improve antenna horizontal plane deviation in roundness, this patent adopts PCB printing a period of time, two arms of basic radiating element half-wave doublet are placed in respectively to the two sides of pcb board, the feeding network of low-and high-frequency antenna is arranged on the center of antenna simultaneously, antenna body is also arranged on the center of circular glass steel radome, has reduced to greatest extent the impact on antenna deviation in roundness.
Beneficial effect: the utility model compared with prior art, the utility model is by the separately design of low-and high-frequency antenna, by broadband combiner, be connected to rf input port again, to meet broadband properties, effectively improve antenna horizontal plane deviation in roundness simultaneously, make volume of the present utility model less, profile is more attractive in appearance, does not affect again urban environment attractive in appearance when guaranteeing signal of communication.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation;
Fig. 2 is the utility model high frequency antenna battle array Facad structure schematic diagram;
Fig. 3 is the utility model high frequency antenna battle array reverse side structural representation;
Fig. 4 is the structural representation of the utility model medium-high frequency antenna array feeding network.
Embodiment
Below in conjunction with the drawings and specific embodiments, further illustrate the utility model.
As shown in Figure 1, the perpendicular polarization antenna for base station that the horizontal plane of a kind of GSM/CDMA of being operated in and WCDMA frequency range is omnidirectional, comprises cylindrical antenna cover 1, high frequency antenna battle array 2, low-frequency antenna battle array 3, broadband combiner 4 and relevant feed and fixing annex; High frequency antenna battle array 2, low-frequency antenna battle array 3 and mixer 4 are all fixed on the center of the inside of cylindrical antenna cover 1 by auxiliary fixing member, wherein mixer 4 is fixed between high frequency antenna battle array 2 and low-frequency antenna battle array 3, is conducive to like this reduce the gain loss of high frequency antenna battle array 2; The one-to-two power splitter of high frequency antenna battle array 2 and low-frequency antenna battle array 3 second level feeding network is separately connected to respectively the high and low frequency delivery outlet of broadband combiner 4 by coaxial line; The input port of broadband combiner 4 is connected to the radio-frequency joint of antenna.
As shown in Figure 2,3, high frequency antenna battle array 2 has four groups of symmetrical plane symmetry a period of time to be in line to rearrange.The be placed in tow sides of pcb board of two arms of each doublet; Wherein, a period of time arm in pcb board front passes through microstrip line connected feed between two, and the structure of low-frequency antenna battle array 3 is identical with high frequency antenna battle array 2.
Because high frequency antenna battle array 2 is identical with the structure of low-frequency antenna battle array 3, the feeding network of two kinds is also identical, the feeding network of high frequency antenna battle array 2 of take is example, as shown in Figure 4, high frequency antenna battle array 2 adopts two-stage feeding network, first order feeding network 2a is that the circuit that is printed on PCB reverse side is directly connected with two described half-wave doublets, second level feeding network 2b is for to be connected the input that is printed on the one-to-two power splitter 2d of PCB reverse side by coaxial cable 2c with the output of first order feeding network 2a, its standard coaxial cable 2c one end is connected to the delivery outlet of first order feeding network 2a, the other end is connected to a delivery outlet of second level feeding network one-to-two power splitter 2d, another delivery outlet of second level feeding network one-to-two power splitter 2d is connected with the corresponding delivery outlet of broadband combiner 4.
Wherein, high frequency antenna battle array 2 and low-frequency antenna battle array 3 adopt epoxy PCB printing processing; Broadband combiner 4 adopts two-sided polyfluortetraethylene plate processing; Cylindrical antenna cover 1 adopts glass-reinforced plastic material to make, and intensity is good, little on aerial radiation impact.The top of cylindrical antenna cover 1 can install street lamp or billboard additional, plays decoration sequestration.
Claims (6)
1. a wideband omni-directional antenna for base station, it is characterized in that: comprise cylindrical antenna cover (1), high frequency antenna battle array (2), low-frequency antenna battle array (3) and broadband combiner (4), described high frequency antenna battle array (2), low-frequency antenna battle array (3) and broadband combiner (4) are all arranged on the inside of cylindrical antenna cover (1), and described broadband combiner (4) is arranged between high frequency antenna battle array (2) and low-frequency antenna battle array (3) and is electrically connected to high frequency antenna battle array (2) and low-frequency antenna battle array (3) respectively.
2. wideband omni-directional antenna for base station according to claim 1, it is characterized in that: described high frequency antenna battle array (2) comprises two groups of doublets, every group of doublet comprises two half-wave doublets, described four half-wave doublets are in line and equidistantly arrange, two arms of every group of doublet are placed in respectively front and the reverse side of medium pcb board, and a period of time arm in pcb board front passes through microstrip line connected feed between two; Wherein, described low-frequency antenna battle array (3) is identical with the structure of high frequency antenna battle array (2).
3. wideband omni-directional antenna for base station according to claim 1, it is characterized in that: described mixer (4) is broadband combiner, wherein the high frequency output mouth of mixer (4) is connected with high frequency antenna battle array (2), and low frequency delivery outlet is connected with low-frequency antenna battle array (3).
4. wideband omni-directional antenna for base station according to claim 2, it is characterized in that: also comprise that one-to-two power splitter is arranged in described high frequency antenna battle array (2), described high frequency antenna battle array (2) is two-stage feeding network, first order feeding network is that the circuit that is printed on PCB reverse side is directly connected with two described half-wave doublets, second level feeding network is for to be connected the input that is printed on the one-to-two power splitter of PCB reverse side by coaxial cable with the output of first order feeding network, one end of its standard coaxial cable is connected to the delivery outlet of first order feeding network, the other end is connected to a delivery outlet of second level feeding network one-to-two power splitter, another delivery outlet of second level feeding network one-to-two power splitter is connected with the corresponding delivery outlet of broadband combiner (4).
5. wideband omni-directional antenna for base station according to claim 1, is characterized in that: the connector of high frequency antenna battle array (2), low-frequency antenna battle array (3) and mixer (4) is fixed on the center of cylindrical antenna cover (1) by fixture.
6. according to the wideband omni-directional antenna for base station described in claim 1 or 4, it is characterized in that: described cylindrical antenna cover (1) is fiberglass cylindrical antenna cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320476563.9U CN203398309U (en) | 2013-08-06 | 2013-08-06 | Wideband omni-directional base station antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320476563.9U CN203398309U (en) | 2013-08-06 | 2013-08-06 | Wideband omni-directional base station antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203398309U true CN203398309U (en) | 2014-01-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320476563.9U Expired - Lifetime CN203398309U (en) | 2013-08-06 | 2013-08-06 | Wideband omni-directional base station antenna |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104577322A (en) * | 2015-01-30 | 2015-04-29 | 东莞市仁丰电子科技有限公司 | Two-in-one double-feeder multiband omnidirectional high-gain PCB (printed circuit board) antenna |
| CN104617397A (en) * | 2015-01-15 | 2015-05-13 | 哈尔滨工业大学 | Universal microstrip array antenna applicable to WLAN (Wireless Local Area Network) |
| CN105932415A (en) * | 2016-06-06 | 2016-09-07 | 佛山澳信科技有限公司 | Omnidirectional microstrip antenna |
| CN106129627A (en) * | 2016-08-15 | 2016-11-16 | 广东欧珀移动通信有限公司 | Antenna assembly and electric terminal |
| CN106356645A (en) * | 2016-11-14 | 2017-01-25 | 广东盛路通信科技股份有限公司 | Broadband anti-interference antenna |
| CN106558756A (en) * | 2015-09-30 | 2017-04-05 | 深圳光启尖端技术有限责任公司 | Meta Materials, Super-material antenna panel and metamaterial flat antenna |
| CN107359396A (en) * | 2017-07-19 | 2017-11-17 | 东莞质研工业设计服务有限公司 | A kind of base station system |
-
2013
- 2013-08-06 CN CN201320476563.9U patent/CN203398309U/en not_active Expired - Lifetime
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104617397A (en) * | 2015-01-15 | 2015-05-13 | 哈尔滨工业大学 | Universal microstrip array antenna applicable to WLAN (Wireless Local Area Network) |
| CN104617397B (en) * | 2015-01-15 | 2017-06-20 | 哈尔滨工业大学 | A kind of omnidirectional's micro-strip array antenna for being applied to WLAN |
| CN104577322A (en) * | 2015-01-30 | 2015-04-29 | 东莞市仁丰电子科技有限公司 | Two-in-one double-feeder multiband omnidirectional high-gain PCB (printed circuit board) antenna |
| CN104577322B (en) * | 2015-01-30 | 2017-06-23 | 东莞市仁丰电子科技有限公司 | A kind of two-in-one double-fed line multiband omni-directional high-gain PCB antenna |
| CN106558756A (en) * | 2015-09-30 | 2017-04-05 | 深圳光启尖端技术有限责任公司 | Meta Materials, Super-material antenna panel and metamaterial flat antenna |
| CN106558756B (en) * | 2015-09-30 | 2023-10-27 | 深圳光启尖端技术有限责任公司 | Metamaterial, metamaterial antenna panel and metamaterial panel antenna |
| CN105932415A (en) * | 2016-06-06 | 2016-09-07 | 佛山澳信科技有限公司 | Omnidirectional microstrip antenna |
| CN106129627A (en) * | 2016-08-15 | 2016-11-16 | 广东欧珀移动通信有限公司 | Antenna assembly and electric terminal |
| CN106129627B (en) * | 2016-08-15 | 2018-06-19 | 广东欧珀移动通信有限公司 | Antenna assembly and electric terminal |
| CN106356645A (en) * | 2016-11-14 | 2017-01-25 | 广东盛路通信科技股份有限公司 | Broadband anti-interference antenna |
| CN107359396A (en) * | 2017-07-19 | 2017-11-17 | 东莞质研工业设计服务有限公司 | A kind of base station system |
| CN107359396B (en) * | 2017-07-19 | 2019-12-27 | 东莞质研工业设计服务有限公司 | Base station system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140115 |
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| CX01 | Expiry of patent term |