CN201749946U - Wide-band dual-polarized LTE base station antenna radiation unit - Google Patents
Wide-band dual-polarized LTE base station antenna radiation unit Download PDFInfo
- Publication number
- CN201749946U CN201749946U CN2010202663603U CN201020266360U CN201749946U CN 201749946 U CN201749946 U CN 201749946U CN 2010202663603 U CN2010202663603 U CN 2010202663603U CN 201020266360 U CN201020266360 U CN 201020266360U CN 201749946 U CN201749946 U CN 201749946U
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- base station
- oscillator
- radiating element
- main body
- radiation unit
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Abstract
The utility model discloses a wide-band dual-polarized LTE (Long Term Evolution) base station antenna radiation unit, which comprises a vibrator main body, a power feed piece and a spurious radiation unit, wherein the oscillator main body adopts a crosswise integrated metal structure; the utility model is characterized in that gaps are formed in the crosswise structure; the oscillator main body comprises four pieces of vibrator arms, and a support part used for fixing the spurious radiation unit is respectively arranged on each vibrator arm. The utility model has the advantages of simplified processing technology, reduced manufacturing cost, high gain, wide frequency band, good isolation, high cross polarization ratio, good consistency and low manufacturing cost, and is simple to assemble.
Description
Technical field
The utility model relates to a kind of radiating element of antenna, relates in particular to a kind of radiating element that is applied on the dual polarization LTE antenna for base station.
Background technology
Along with the development of mobile communication technology, more and more higher to the requirement of antenna for base station.Antenna for base station generally is combined into array format by the radiating element of same form, to obtain certain actual demand, the now general dual polarization oscillator that occurs: (1) is that single layer structure is (except the air microstrip form substantially, refer to the oscillator form), promptly do not have the parasitic radiation unit, this structure frequency band is narrow, gain is low.(2) section is big, and promptly the oscillator arms section is big, and this structure isolation is poor, and cross polarization is than bad, and mutual coupling is serious, is unfavorable for the group battle array.(3) the feed complex forms is brought inconvenience to batch process.
Summary of the invention
The purpose of this utility model is exactly a kind of broadband dual polarization LTE antenna for base station radiating element that provides for the deficiency that solves prior art, this radiating element has improved gain, the bandwidth of dual polarized antenna, isolation, cross polarization ratio have been improved, reduced mutual coupling etc., distinctive feeding classification is mated radiating element easily, and be convenient to assemble high conformity.
The utility model is to adopt following technical solution to realize above-mentioned purpose: a kind of broadband dual polarization LTE antenna for base station radiating element, comprise oscillator main body, feed tab, parasitic radiation unit, the oscillator main body is the bulk metal structure that is cross-shaped, it is characterized in that: the space is arranged in the middle of the described criss-cross construction, the oscillator main body comprises four oscillator arms, and every oscillator arms is provided with the strutting piece of stationary parasitism radiating element.
As further specifying of such scheme, described oscillator main body is the metal structure of an integral die-cast moulding.
Described parasitic radiation unit is a criss-cross construction, and middle tight, the total length of the both direction of intersection equate and less than half wavelength, be movably arranged on oscillator main body top by strutting piece.
Described strutting piece is cylindricality, and the top that this cylindricality supports patches with the parasitic radiation unit and cooperates, the bottom that cylindricality supports pass oscillator arms and with its clamping, strutting piece oscillator arms surface outward is provided with square opening.
The working frequency range of described oscillator arms is 1/4 wavelength.
One arm of described feed tab adopts coupling, and another arm adopts directly contact feeding classification.
Described feed tab is for falling " L " structure, top adopts welding, screw snap close or extruding contact to form feed, L vertically part adopts contactless coupling feeding classification, and between oscillator support section, hop or the Ba Lun dielectric support is arranged, and directly welding is adopted in the lower end.
The beneficial effect that the utility model adopts above-mentioned technical solution to reach is:
1, the utility model adopts the strutting piece that the stationary parasitism radiating element all is set on the oscillator arms, and the parasitic radiation unit adopts criss-cross construction, has improved the gain of dual polarized antenna unit, and bandwidth.
2, the oscillator agent structure of right-angled intersection has been improved isolation, the cross polarization ratio of dual polarized antenna unit, has reduced mutual coupling.
3, feeding classification makes the simple of unit feed structure change, is convenient to produce high conformity in batches.
Description of drawings
Fig. 1 is the utility model perspective view;
Fig. 2 is the utility model structural representation;
Fig. 3 is the utility model structural representation.
Description of reference numerals: 1, oscillator 2, feed tab 3, parasitic radiation unit 4, strutting piece 5, square opening 6, groove 7, convex tendon
Embodiment
As Fig. 1～shown in Figure 3, a kind of broadband dual polarization LTE antenna for base station radiating element, it comprises oscillator 1, feed tab 2, the parasitic radiation unit 3 that die casting forms, die casting oscillator 1 is a criss-cross construction, there is the space centre, is made up of four oscillator arms of two pairs of oscillators, is the main radiant section in oscillator unit, oscillator arms is about working frequency range 1/4 wavelength, and every oscillator arms is provided with the strutting piece 4 of stationary parasitism radiating element.In the present embodiment, strutting piece 4 is cylindricality, and the top that this cylindricality supports patches with the parasitic radiation unit and cooperates, the bottom that cylindricality supports pass oscillator arms and with its clamping, strutting piece oscillator arms surface outward is provided with square opening 5.The main body that cylindricality supports is provided with the reinforcement of being made up of some groups of longitudinal flutings 6 and convex tendon 7 along its circumferential direction.Feed tab 2 is the structure of falling L, top adopts welding, screw snap close or extruding contact to form feed, the structure of falling L vertically part adopts contactless coupling feeding classification, and between oscillator support section, hop or the Ba Lun dielectric support is arranged, and directly welding is adopted in the lower end.Parasitic radiation unit 3 is a criss-cross construction, and middle tight, the total length of the both direction of intersection equate and less than half wavelength, be placed on oscillator 1 top.
Above-described only is preferred implementation of the present utility model; should be pointed out that for the person of ordinary skill of the art, under the prerequisite that does not break away from the utility model creation design; can also make some distortion and improvement, these all belong to protection range of the present utility model.
Claims (8)
1. broadband dual polarization LTE antenna for base station radiating element, comprise oscillator main body, feed tab, parasitic radiation unit, the oscillator main body is the bulk metal structure that is cross-shaped, it is characterized in that: the space is arranged in the middle of the described criss-cross construction, the oscillator main body comprises four oscillator arms, and every oscillator arms is provided with the strutting piece of stationary parasitism radiating element.
2. broadband dual polarization LTE antenna for base station radiating element according to claim 1, it is characterized in that: described oscillator main body is the metal structure of an integral die-cast moulding.
3. broadband dual polarization LTE antenna for base station radiating element according to claim 1, it is characterized in that: described parasitic radiation unit is a criss-cross construction, middle tight, the total length of the both direction that intersects equates and less than half wavelength, is movably arranged on oscillator main body top by strutting piece.
4. broadband dual polarization LTE antenna for base station radiating element according to claim 1, it is characterized in that: described strutting piece is cylindricality, the top that this cylindricality supports patches with the parasitic radiation unit and cooperates, the bottom that cylindricality supports pass oscillator arms and with its clamping, the outer oscillator arms surface of strutting piece is provided with square opening.
5. broadband dual polarization LTE antenna for base station radiating element according to claim 4 is characterized in that: the main body that described cylindricality supports is provided with the reinforcement of being made up of some groups of longitudinal flutings and convex tendon along its circumferential direction.
6. broadband dual polarization LTE antenna for base station radiating element according to claim 1, it is characterized in that: the working frequency range of described oscillator arms is 1/4 wavelength.
7. broadband dual polarization LTE antenna for base station radiating element according to claim 1 is characterized in that: an arm of described feed tab adopts coupling, and another arm adopts directly contact feeding classification.
8. broadband dual polarization LTE antenna for base station radiating element according to claim 1, it is characterized in that: described feed tab is for falling " L " structure, top adopts welding, screw snap close or extruding contact to form feed, L vertically part adopts contactless coupling feeding classification, and between oscillator support section, hop or the Ba Lun dielectric support being arranged, directly welding is adopted in the lower end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202663603U CN201749946U (en) | 2010-07-20 | 2010-07-20 | Wide-band dual-polarized LTE base station antenna radiation unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202663603U CN201749946U (en) | 2010-07-20 | 2010-07-20 | Wide-band dual-polarized LTE base station antenna radiation unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201749946U true CN201749946U (en) | 2011-02-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202663603U Expired - Lifetime CN201749946U (en) | 2010-07-20 | 2010-07-20 | Wide-band dual-polarized LTE base station antenna radiation unit |
Country Status (1)
| Country | Link |
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| CN (1) | CN201749946U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103022640A (en) * | 2011-09-23 | 2013-04-03 | 华为技术有限公司 | Oscillator unit |
| CN103872435A (en) * | 2014-03-26 | 2014-06-18 | 广东泰阳通信设备有限公司 | Broadband radiation unit and base station antenna |
| CN104900987A (en) * | 2015-05-13 | 2015-09-09 | 武汉虹信通信技术有限责任公司 | Broadband radiating unit and antenna array |
-
2010
- 2010-07-20 CN CN2010202663603U patent/CN201749946U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103022640A (en) * | 2011-09-23 | 2013-04-03 | 华为技术有限公司 | Oscillator unit |
| CN103022640B (en) * | 2011-09-23 | 2015-04-29 | 华为技术有限公司 | Oscillator unit |
| CN103872435A (en) * | 2014-03-26 | 2014-06-18 | 广东泰阳通信设备有限公司 | Broadband radiation unit and base station antenna |
| CN104900987A (en) * | 2015-05-13 | 2015-09-09 | 武汉虹信通信技术有限责任公司 | Broadband radiating unit and antenna array |
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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 |
Granted publication date: 20110216 |
|
| CX01 | Expiry of patent term |