CN201060942Y - Dual-frequency dual polarization electric modulation antenna - Google Patents
Dual-frequency dual polarization electric modulation antenna Download PDFInfo
- Publication number
- CN201060942Y CN201060942Y CN 200720121185 CN200720121185U CN201060942Y CN 201060942 Y CN201060942 Y CN 201060942Y CN 200720121185 CN200720121185 CN 200720121185 CN 200720121185 U CN200720121185 U CN 200720121185U CN 201060942 Y CN201060942 Y CN 201060942Y
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- 230000009977 dual effect Effects 0.000 title abstract description 4
- 230000010287 polarization Effects 0.000 title abstract description 3
- 230000005855 radiation Effects 0.000 claims abstract description 46
- 238000002955 isolation Methods 0.000 claims description 3
- 238000010295 mobile communication Methods 0.000 abstract description 2
- 230000033228 biological regulation Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 239000004020 conductor Substances 0.000 description 3
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000005388 cross polarization Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000005284 excitation Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000010363 phase shift Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
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Abstract
The utility model relates to a dual frequency dual polarization electric regulation antenna, belonging to the technical field of mobile communication base station antennas, which comprises a low frequency radiation unit array, a high frequency radiation unit array and a reflector plate. The utility model is characterized in that: the low frequency radiation unit array and the high frequency radiation unit array are respectively arranged on different axes on a same end face of the reflector plate. By adopting the structure, in which the high frequency radiation unit and the low frequency radiation unit are arranged on different axes, the utility model has the advantages of effectively reducing the mutual influence between the high and low frequencies, accordingly improving the gains of individual radiation units, and remarkably reducing the sizes of the products.
Description
Technical field
The utility model belongs to the antenna of mobile communication base station technical field, relates in particular to a kind of dual-band and dual-polarization electrical tilt antenna.
Background technology
The dual-band and dual-polarization electrical tilt antenna is that the electricity that a kind of frequency range can cover two frequency ranges (806-960MHz and 1710-2170MHz) is transferred the antenna have a down dip, uses this antenna can improve network capacity significantly, can also reduce the base station cost greatly.When especially using in the urban district, the likelihood ratio of adjusting the switching of antenna downtilt angle and frequency is higher, and the dual polarization electrical tilt antenna has very high use value and performance advantage.Dual-band dual-polarized antenna requires the mutual coupling between two frequencies lower, and promptly the interband insulation request is more than 30dB.Improve the cross polarization ratio of single radiating element itself by design, gain, the front and back ratio, and the size of controlling frid and dividing plate improves the performance of antenna integral body, thus obtain the directional diagram of high-quality.Specification requirement to this dual-band and dual-polarization electrical tilt antenna is: the main shaft cross polarization is higher than 20dB, and interband is isolated and is higher than 30dB, and the antenna lower decline angle adjustable range is the 0-14 degree in low-frequency range (806-960MHz), and high band (1710-2170MHz) is the 0-10 degree.
Technology provides a kind of dual-band dual-polarized antenna now, it comprises low frequency radiation cell array, high frequency radiation cell array and reflecting plate, described low frequency radiation cell array and high frequency radiation cell array are separately positioned on the same axis on the same end face of reflecting plate, and the high frequency oscillator is arranged between the top or two adjacent low frequency oscillators of low frequency oscillator.
This technology has apparent in view shortcoming: at first, it is with high frequency unit and the coaxial setting of low frequency cell, both must be arranged on the Different Plane of vertical direction so, and obviously this can make the height of antenna and thickness increase; Secondly, coaxial setting also can make the coupling between the low-and high-frequency and the increase that influences each other, and so just causes the ratio of gains of low-and high-frequency radiating element relatively poor, in order to reach designing requirement, just must increase the unit number, and obviously this can make the length of antenna and size increase.
The utility model content
Technical problem to be solved in the utility model provides a kind of dual-band and dual-polarization electrical tilt antenna, and not only size is less, also has high cross polarization ratio, high-gain and high front and back ratio.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is:
A kind of dual-band and dual-polarization electrical tilt antenna is provided, it comprises low frequency radiation cell array, high frequency radiation cell array and reflecting plate, and described low frequency radiation cell array is separately positioned on the different axis of the same end face of described reflecting plate with described high frequency radiation cell array.
After adopting such structure, owing to be that high frequency radiation unit and low frequency radiation unit are arranged on two different axis, this has just reduced influencing each other between the low-and high-frequency effectively, the gain that has also just improved single radiating element accordingly, the obvious size that also can reduce product.
Description of drawings
Fig. 1 is the structural representation of the preferred embodiment that provides of the utility model;
Fig. 2 is the schematic top plan view of Fig. 1;
Fig. 3 is the structural representation of the preferred embodiment medium-high frequency radiating element that provides of the utility model;
Fig. 4 is the schematic top plan view of Fig. 3;
Fig. 5 is the structural representation of supporting seat among Fig. 3;
Fig. 6 is the preferred embodiment medium-high frequency radiating element that provides of the utility model and the connection diagram of feeder cable;
Fig. 7 is the connection diagram of supporting seat and feeder cable among Fig. 3;
Fig. 8 is the structural representation of the preferred embodiment medium and low frequency radiating element that provides of the utility model;
Fig. 9 is the structural representation of the upper surface of Fig. 8 intermediary scutum;
Figure 10 is the structural representation of the lower surface of Fig. 8 intermediary scutum;
Figure 11 is the structural representation of feeding network in the preferred embodiment that provides of the utility model;
Figure 12 is the scheme of installation of feeding network in the preferred embodiment that provides of the utility model.
Embodiment
In order to make technical problem to be solved in the utility model, technical scheme and beneficial effect clearer,, the utility model is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
As the embodiment of Fig. 1 to dual-band and dual-polarization electrical tilt antenna shown in Figure 12, this antenna comprises low frequency radiation cell array 1, high frequency radiation cell array 2 and reflecting plate 3, and described low frequency radiation cell array 1 is separately positioned on the different axis of reflecting plate 3 same end faces with the high frequency radiation cell array.Like this, owing to be that high frequency radiation unit and low frequency radiation unit are arranged on two different axis, this has just reduced influencing each other between the low-and high-frequency effectively, the gain that has also just improved single radiating element accordingly, the obvious size that also can reduce product.During concrete enforcement, as shown in Figure 2, low frequency radiation cell array 1 can be made up of 7 low frequency radiation unit 11, and high frequency radiation cell array 2 then can be made up of 10 high frequency radiation unit 21.
A kind of preferred embodiment as high frequency radiation unit 21: extremely shown in Figure 7 as Fig. 3, this high frequency radiation unit 21 comprises medium substrate 211, supporting seat 212 and two surface emissivity structures 213, wherein, surface emissivity structure 213 is a metallic conductor, and the half-wave dipole structure of formation pair of orthogonal, attached on the medium substrate 211,211 of this medium substrates are fixed on the supporting seat 212 with it, and supporting seat 212 is installed on the reflecting plate 3.
Fig. 5 is the preferred embodiment of supporting seat 212, and this supporting seat 212 is provided with up and down two groups of grooves 214, and these two groups of grooves 214 are connected by supporting seat through hole 215, and feeder cable 22 can pass this supporting seat through hole 215 and is installed in aforementioned two groups of grooves 214 like this.In addition, this supporting seat 212 has a cross bath 218 vertically from top to bottom, and also is provided with two boss 216 and two top through holes 217 on the position on these both sides, cross bath 218 top, is used for fixing aforementioned medium substrate 211 and feeder cable 22 respectively.Fig. 6 shows the annexation of surface emissivity structure 213 and feeder cable 22.Feeder cable 22 has outer conductor 221, dielectric layer 222 and inner core 223, and this feeder cable 22 passes surface emissivity through hole 225 and welds mutually with surface emissivity structure 213 at pad place 224.As shown in Figure 7, outer conductor 221 parts of feeder cable 22 and supporting seat 212 welding and ground connection, the dielectric layer 222 of feeder cable 22 then extends upwardly to aforementioned top through hole 217 places.
A kind of preferred embodiment as low frequency radiation unit 11: see also Fig. 8 to 10, this low frequency radiation unit 11 comprises guides sheet 111, dielectric-slab 112 and radiation fin 113 into, all is arranged on the reflecting plate 3.Dielectric-slab 112 can be selected for use and cover the copper dielectric-slab, and its upper surface metal level is realized feed with slit 114 load modes, and in the present embodiment, the structure in slit 114 is a cross; The lower surface metal of dielectric-slab 112 then is the power splitter 23 that forms two one-to-two through excessive erosion, and cross section 231 usefulness cable inner cores carry out the wire jumper welding in this power splitter 23.
In order to reduce influencing each other of low-and high-frequency, guarantee that the low-and high-frequency height is close.As the further improvement of aforementioned techniques scheme, what described high frequency radiation unit 21 adopted is the half-wave dipole structure, and 11 employings of described low frequency radiation unit is paster structure.
In order further to reduce to reach the coupling between the high frequency radiation unit between the low-and high-frequency radiating element and influence each other, further improvement as the aforementioned techniques scheme, as shown in Figure 2, also be provided with low-and high-frequency division board 12 between described low frequency radiation cell array 1 and the high frequency radiation cell array 2,21 of described high frequency radiation unit then also are provided with high-frequency isolation plate 13.During concrete enforcement, low-and high-frequency division board 12 and high-frequency isolation plate 13 all are fixed on the reflecting plate 3 by modes such as rivet or screws.
Shown in Figure 11 and 12, feeding network 4 of the present utility model can form by metallic plate cutting, on this feeding network, be provided with network through hole 41, pass this network through hole 41 by working of plastics 42 again and feeding network is fixed on the reflecting plate 3, and then cover cover plate 43, thereby constitute complete strip lines configuration.Also be provided with phase shift medium 44 and cable 45 on the feeding network, can reach the purpose that changes phase delay with the area that overlaps of network by changing phase shift medium 44, one end of cable 45 is welded on the grid, the other end then is connected with relevant radiating element, cable 45 can be provided with many as required, a wherein end of main feeder cable 46 and network welding, the other end connect antenna output (perhaps input) interface.The feed excitation of whole feeding network is to be inserted by this network main feeder cable 46, and by network, the cable with the network welding welds with the radiating element feed structure again.Finish whole feed excitation by feed tab at last.
The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection range of the present utility model.
Claims (5)
1. dual-band and dual-polarization electrical tilt antenna, it comprises low frequency radiation cell array, high frequency radiation cell array and reflecting plate, it is characterized in that: described low frequency radiation cell array is separately positioned on the different axis of the same end face of described reflecting plate with described high frequency radiation cell array.
2. dual-band and dual-polarization electrical tilt antenna according to claim 1 is characterized in that: what described high frequency radiation unit adopted is the half-wave dipole structure.
3. dual-band and dual-polarization electrical tilt antenna according to claim 1 and 2 is characterized in that: what described low frequency radiation unit adopted is paster structure.
4. dual-band and dual-polarization electrical tilt antenna according to claim 3 is characterized in that: also be provided with the low-and high-frequency division board between described low frequency radiation cell array and the described high frequency radiation cell array.
5. dual-band and dual-polarization electrical tilt antenna according to claim 4 is characterized in that: also be provided with the high-frequency isolation plate between described high frequency unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200720121185 CN201060942Y (en) | 2007-07-04 | 2007-07-04 | Dual-frequency dual polarization electric modulation antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200720121185 CN201060942Y (en) | 2007-07-04 | 2007-07-04 | Dual-frequency dual polarization electric modulation antenna |
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| Publication Number | Publication Date |
|---|---|
| CN201060942Y true CN201060942Y (en) | 2008-05-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200720121185 Expired - Fee Related CN201060942Y (en) | 2007-07-04 | 2007-07-04 | Dual-frequency dual polarization electric modulation antenna |
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| Country | Link |
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| CN (1) | CN201060942Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102474003A (en) * | 2009-08-25 | 2012-05-23 | 日本电气株式会社 | Antenna device |
| CN102570056A (en) * | 2012-02-10 | 2012-07-11 | 摩比天线技术（深圳）有限公司 | Ultrawide-band dual-polarized electrically-tunable antenna |
| CN101714701B (en) * | 2009-12-21 | 2013-06-19 | 京信通信系统（中国）有限公司 | Dual-band and dual-polarization array antenna |
| CN103904438A (en) * | 2014-03-24 | 2014-07-02 | 华南理工大学 | Broadband dual polarization base station antenna |
| CN104953291A (en) * | 2015-03-03 | 2015-09-30 | 苏州市吴通天线有限公司 | Double-frequency dual-polarized one-dimensional LTE (long term evolution) antenna |
-
2007
- 2007-07-04 CN CN 200720121185 patent/CN201060942Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102474003A (en) * | 2009-08-25 | 2012-05-23 | 日本电气株式会社 | Antenna device |
| CN102474003B (en) * | 2009-08-25 | 2015-04-22 | 日本电气株式会社 | Antenna device |
| CN101714701B (en) * | 2009-12-21 | 2013-06-19 | 京信通信系统（中国）有限公司 | Dual-band and dual-polarization array antenna |
| CN102570056A (en) * | 2012-02-10 | 2012-07-11 | 摩比天线技术（深圳）有限公司 | Ultrawide-band dual-polarized electrically-tunable antenna |
| CN102570056B (en) * | 2012-02-10 | 2014-12-24 | 摩比天线技术（深圳）有限公司 | Ultrawide-band dual-polarized electrically-tunable antenna |
| CN103904438A (en) * | 2014-03-24 | 2014-07-02 | 华南理工大学 | Broadband dual polarization base station antenna |
| CN104953291A (en) * | 2015-03-03 | 2015-09-30 | 苏州市吴通天线有限公司 | Double-frequency dual-polarized one-dimensional LTE (long term evolution) antenna |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: MOBI COMMUNICATION TECHNOLOGIES (JI'AN) CO., LTD. Free format text: FORMER OWNER: MOBI ANTENNA TECHNOLOGIES (SHENZHEN) CO., LTD. Effective date: 20111226 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 518057 SHENZHEN, GUANGDONG PROVINCE TO: 343000 JI'AN, GUANGDONG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20111226 Address after: Industrial Park, Jizhou District of Ji'an City, Guangdong province 343000 Patentee after: Mobile Antenna Technologies (Jian) Co., Ltd. Address before: 518057 Guangdong province Shenzhen city Nanshan District high tech Zone North Long Hill Road Building mobi Patentee before: Mobile Antenna Technologies (Shenzhen) Co., Ltd. |
|
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: 343000 Ji'an city of Jiangxi Province, Jizhou District Industrial Park Patentee after: Mobile Antenna Technologies (Jian) Co., Ltd. Address before: Industrial Park, Jizhou District of Ji'an City, Guangdong province 343000 Patentee before: Mobile Antenna Technologies (Jian) Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080514 Termination date: 20160704 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |