CN203589207U - Low-profile and dual-polarization low-frequency radiation unit, antenna array, antenna device and antenna - Google Patents
Low-profile and dual-polarization low-frequency radiation unit, antenna array, antenna device and antenna Download PDFInfo
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- CN203589207U CN203589207U CN201320745048.6U CN201320745048U CN203589207U CN 203589207 U CN203589207 U CN 203589207U CN 201320745048 U CN201320745048 U CN 201320745048U CN 203589207 U CN203589207 U CN 203589207U
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- 230000005855 radiation Effects 0.000 title claims abstract description 102
- 230000009977 dual effect Effects 0.000 claims description 15
- 238000005452 bending Methods 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 3
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 5
- 238000004088 simulation Methods 0.000 description 3
- 230000005670 electromagnetic radiation Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000010295 mobile communication Methods 0.000 description 2
- 230000010287 polarization Effects 0.000 description 2
- 229910000679 solder Inorganic materials 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- WPPDFTBPZNZZRP-UHFFFAOYSA-N aluminum copper Chemical compound [Al].[Cu] WPPDFTBPZNZZRP-UHFFFAOYSA-N 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012811 non-conductive material Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
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Abstract
The utility model discloses a low-profile and dual-polarization low-frequency radiation unit which comprises two groups of low-frequency feed Baluns, four low-frequency radiation oscillator arms and a dielectric slab. One end of each low-frequency feed Balun is vertically mounted on a reflecting plate, the other end of the Balun is connected with the four low-frequency radiation oscillator arms, and the dielectric slab between the reflecting plate and the low-frequency radiation oscillator arms is mounted over the reflecting plate and close to the low-frequency radiation oscillator arms. Compared with the prior art, the distance between the low-frequency radiation oscillator arms and the reflecting plate is decreased, i.e., the height of the radiation unit is reduced, thereby the difficulty in the stability design of the whole structure is reduced, and the radiation unit can be accepted by clients who need indoor antenna. The utility model also discloses a low-profile, multi-frequency and dual-polarization antenna array, an antenna device and an antenna.
Description
Technical field
The utility model relates to mobile communication antenna technical field, relates more specifically to a kind of low profile dual-polarized low frequency radiation unit, aerial array, antenna assembly and antenna.
Background technology
Existing antenna for base station mostly adopts half-wave dipole when realizing the dual polarization scheme of 698-960MHz frequency range, or the opposed oscillator of half-wave.Because operating frequency is low to moderate 698MHz, according to the specific (special) requirements of half-wave dipole, it is highly approximately 0.25 wavelength (about 107mm), thereby causes the height of whole antenna very high.And at base station antenna system, particularly, in the active antenna system of a new generation, the excessive total stability Design of will giving of antenna height is brought very large difficulty.In addition, conventional half-wave dipole design height also can seem highly excessive while being applied in domestic aerial, and client is difficult to accept.
Therefore, be badly in need of a kind of improved low profile dual-polarized low frequency radiation unit, aerial array, antenna assembly and antenna and overcome above-mentioned defect.
Utility model content
The purpose of this utility model is to provide a kind of low profile dual-polarized low frequency radiation unit, to reduce the height of radiating element and even antenna, thereby reduces the difficulty to total stability Design, and is convenient to be had the client of domestic aerial demand to accept.
Another object of the present utility model is to provide a kind of low section multiband dual-polarized antenna array, this aerial array can reduce the height of radiating element and even antenna, thereby reduce the difficulty to total stability Design, and be convenient to be had the client of domestic aerial demand to accept.
An object more of the present utility model is to provide a kind of low section multiband dual-polarization antenna apparatus, this antenna assembly can reduce the height of radiating element and even antenna, thereby reduce the difficulty to total stability Design, and be convenient to be had the client of domestic aerial demand to accept.
Another object of the present utility model is to provide a kind of low section multiband dual polarized antenna, to reduce the height of radiating element and even antenna, thereby reduces the difficulty to total stability Design, and is convenient to be had the client of domestic aerial demand to accept.
For achieving the above object, the utility model provides a kind of low profile dual-polarized low frequency radiation unit, comprise two groups of low frequency feed Ba Lun, four low frequency radiation oscillator arms and dielectric-slabs, described in four, low frequency radiation oscillator arms is positioned at same plane, described in two groups, one end at right angle setting of low frequency feed Ba Lun is in a reflecting plate, described in two groups, the other end of low frequency feed Ba Lun is connected with low frequency radiation oscillator arms described in four, described dielectric-slab is installed on described reflecting plate close described low frequency radiation oscillator arms, and described dielectric-slab is between described reflecting plate and described low frequency radiation oscillator arms.
Compared with prior art, because low profile dual-polarized low frequency radiation of the present utility model unit comprises dielectric-slab, electromagnetic wave will reflect during by dielectric-slab, and electromagnetic wavelength will shorten, the effect of comprehensive this two aspect, can make the Distance Shortened between low frequency radiation oscillator arms and reflecting plate, reduced the height of radiating element, through design of Simulation and experiment, can learn, the height of the low profile dual-polarized low frequency radiation of the utility model unit only has 58mm left and right, be approximately 0.135 wavelength of 698MHz, than conventional half-wave dipole cell height, reduced by 45%, thereby reduced the difficulty to total stability Design, and be convenient to be had the client of domestic aerial demand to accept.
Preferably, the dielectric constant of described dielectric-slab is 2.8 to 10, and the thickness of described dielectric-slab is 2 to 6 millimeters.
Preferably, described low frequency radiation unit also comprises loading arm, and described loading arm is vertically extended and forms towards described reflecting plate bending away from the one end at described reflecting plate center by described low frequency radiation oscillator arms.
Preferably, the length of described loading arm is 8 to 20 millimeters.
Correspondingly, the utility model also provides a kind of low section multiband dual-polarized antenna array, comprises reflecting plate and at least one low frequency radiation unit, and wherein described in each, low frequency radiation unit is as mentioned above.
Correspondingly, the utility model also provides a kind of low section multiband dual-polarization antenna apparatus, comprises at least one aerial array, and described in each, aerial array comprises reflecting plate and at least one low frequency radiation unit, and wherein described in each, low frequency radiation unit is as mentioned above.
Correspondingly, the utility model also provides a kind of low section multiband dual polarized antenna, comprise two coaxial cables, coaxial connector, reflecting plate, mixer and low frequency radiation unit, described in one, the two ends of coaxial cable connect respectively described coaxial connector and mixer, described mixer is installed on described reflecting plate and is connected with described low frequency radiation unit by coaxial cable described in another, and wherein said low frequency radiation unit as mentioned above.
Preferably, described low section multiband dual polarized antenna, also comprises low frequency support column and mixer support column, and described dielectric-slab is installed on described reflecting plate by described low frequency support column, and described mixer is installed on described reflecting plate by described mixer support column.
Preferably, described low section multiband dual polarized antenna also comprises binding post, and the two ends of described binding post connect respectively described mixer and are connected in the described coaxial cable of described low frequency radiation unit.
Preferably, described low section multiband dual polarized antenna also comprises high frequency radiation unit, and described high frequency radiation element solder is in described mixer.
Particularly, described high frequency radiation unit comprises two groups of high frequency feed Ba Lun and four high frequency radiation oscillator arms, described in four, high frequency radiation oscillator arms is positioned at same plane, described in two groups, one end vertical welding of high frequency feed Ba Lun is in described mixer, and described in two groups, the other end of high frequency feed Ba Lun is connected with high frequency radiation oscillator arms described in four.
Preferably, described low section multiband dual polarized antenna also comprises cable holder, and described cable holder is fixed on described reflecting plate by the described coaxial cable that connects described coaxial connector.
By following description also by reference to the accompanying drawings, it is more clear that the utility model will become, and these accompanying drawings are used for explaining embodiment of the present utility model.
Accompanying drawing explanation
Fig. 1 is that the low profile dual-polarized low frequency radiation of the utility model cellular installation is in the structure chart of reflecting plate.
Fig. 2 is the structure chart of the low profile dual-polarized low frequency radiation of the utility model unit.
Fig. 3 is that Fig. 2 removes the structure chart after feed Ba Lun and dielectric-slab.
Fig. 4 is that Fig. 2 removes the structure chart after feed Ba Lun, and dielectric-slab is close to the plane at low frequency radiation oscillator arms place.
Fig. 5 is the structure chart of another angle of Fig. 4, and the plane at dielectric-slab and low frequency radiation oscillator arms place has certain distance.
Fig. 6 a is electromagnetic radiation theory figure when not adding dielectric-slab.
Fig. 6 b is the electromagnetic radiation theory figure of low profile dual-polarized low frequency radiation of the present utility model unit.
Fig. 7 is the structure chart of the low section multiband of the utility model dual-polarized antenna array.
Fig. 8 is the structure chart of the low section multiband of the utility model dual-polarization antenna apparatus.
Fig. 9 is the structure chart of the low section multiband of the utility model dual polarized antenna.
Figure 10 is that Fig. 9 removes the structure chart after antenna cover.
Figure 11 is the structure figure of Figure 10.
Embodiment
With reference now to accompanying drawing, describe embodiment of the present utility model, in accompanying drawing, similarly element numbers represents similar element.
Please refer to Fig. 1 to Fig. 3, low profile dual-polarized low frequency radiation of the present utility model unit 10 is installed on reflecting plate 12, and it comprises two groups of low frequency feed Ba Lun 101, four low frequency radiation oscillator arms 102, dielectric-slab 103 and four loading arms 104.
Particularly, four low frequency radiation oscillator arms 102 are positioned at same plane, and the low frequency radiation oscillator arms 102 at every two diagonal angles forms a polarised direction, and each low frequency radiation oscillator arms 102 is comprised of a square metal body.One end at right angle setting of two groups of low frequency feed Ba Lun 101 is in reflecting plate 12, the other end of two groups of low frequency feed Ba Lun 101 is connected with four low frequency radiation oscillator arms 102, dielectric-slab 103 is installed on reflecting plate 12 close, covering low frequency radiation oscillator arms 102, and dielectric-slab 103 is between reflecting plate 12 and low frequency radiation oscillator arms 102, and low frequency radiation oscillator arms 102 vertically extends to form loading arm 104(as shown in Figure 2 towards reflecting plate 12 bendings away from the one end at reflecting plate 12 centers).During use, two groups of radiofrequency signals are inputted so that four low frequency radiation oscillator arms 102 are carried out to feed from two groups of low frequency feed Ba Lun 101, thereby form dual-polarization radiating unit.
Particularly, as shown in Figures 4 and 5, dielectric-slab 103 is close to low frequency radiation oscillator arms 102 or is had certain distance with it.
It should be noted that loading arm 104 is formed by outside bending 90 degree of low frequency radiation oscillator arms 102, optimum when its length is 8-20mm.Low frequency radiation oscillator arms 102 use metal material of copper, or electroplated aluminum copper.Dielectric-slab 103 is for having the sheet material of the non-conductive material of certain dielectric constant, and dielectric constant is 2.8 to 10, and thickness is 2 to 6 millimeters, can be by extrusion modling or sheet material machine-shaping.
Compared with prior art, low frequency radiation of the present utility model unit has the following advantages:
(1) as shown in Fig. 6 a and 6b, because low profile dual-polarized low frequency radiation of the present utility model unit 10 comprises dielectric-slab 103, electromagnetic wave will reflect during by dielectric-slab, and electromagnetic wavelength will shorten, the effect of comprehensive this two aspect, can make the Distance Shortened between low frequency radiation oscillator arms 102 and reflecting plate 12, reduced the height of radiating element, through design of Simulation and experiment, can learn, the height of the low profile dual-polarized low frequency radiation of the utility model unit 10 only has 58mm left and right, be approximately 0.135 wavelength of 698MHz, than conventional half-wave dipole cell height, reduced by 45%, thereby reduced the difficulty to total stability Design, and be convenient to be had the client of domestic aerial demand to accept,
(2) setting of loading arm 104, can play the effect of widening low frequency bandwidth;
(3) working frequency range wide (698MHz to 960MHz), radiativity is good, and echo consume is little, meets the requirement of indoor coverage antenna to height, also meets the requirement of antenna for base station to height, has realized the miniaturization of antenna, has the wide market space.
Please refer to Fig. 7, the utility model also provides a kind of low section multiband dual-polarized antenna array, comprises reflecting plate 12 and three low frequency radiation unit 10 again.Wherein, each low frequency radiation unit 10 as mentioned above, therefore do not repeat them here.
Please refer to Fig. 8, the utility model also provides a kind of low section multiband dual-polarization antenna apparatus, comprises two aerial arrays that are arranged side by side again, and every day, linear array comprised reflecting plate 12 and three low frequency radiation unit 10.Wherein, each low frequency radiation unit 10 as mentioned above, therefore do not repeat them here.
Please refer to again Fig. 9 to Figure 11, the utility model also provides a kind of low section multiband dual polarized antenna, comprises radome 1, coaxial cable 2, coaxial connector 3, reflecting plate 12 ', mixer 4, high frequency radiation unit 5, binding post 6, coaxial cable 7, mixer support column 8, low frequency support column 9, low frequency radiation unit 10 ', cable holder 11, bracket fixing plate 13, supporting plate 14 and self-locking nut 15.Wherein, high frequency radiation unit 5 comprises two groups of high frequency feed Ba Lun 501 and four high frequency radiation oscillator arms 502, and the other end of high frequency feed Ba Lun 501 is connected with four high frequency radiation oscillator arms 502, and four high frequency radiation oscillator arms 502 are positioned at same plane; Low frequency radiation unit 10 ' as mentioned above, therefore do not repeat them here.
It should be noted that mixer 4, high frequency feed Ba Lun 501, high frequency radiation oscillator arms 502, low frequency feed Ba Lun 101 ' and low frequency radiation oscillator arms 102 ' all adopt PCB.
Particularly, mixer 5 is installed on reflecting plate 12 ' by self-locking nut 15, high frequency feed Ba Lun 501 vertical weldings are in mixer 5 to realize being connected between mixer 5 and high frequency radiation unit 5, and integrated design has reduced the step that solder joint has been simplified assembling, has facilitated assembling.And mixer 4 is connected with binding post 6 by coaxial cable 7 with low frequency radiation unit 10 ', binding post 6 makes both connections more reliable and firm.It is upper that the dielectric-slab 103 ' of low frequency radiation unit 10 ' is fixed on reflecting plate 12 ' by low frequency support column 9, and the certain thickness of dielectric-slab 103 ' has guaranteed that low frequency cell is structural firm.The coaxial cable 2 at antenna port place guarantees that by 11 lockings of cable holder it can not become flexible.Please refer to Figure 11, bracket fixing plate 13 and supporting plate 14 are installed on the back side of reflecting plate 12 ', and supporting plate 14 is corresponding to the position at mixer 4 places again.
As can be seen from the above description, low section multiband dual polarized antenna of the present utility model has the following advantages:
(1) because low profile dual-polarized low frequency radiation of the present utility model unit 10 ' comprises dielectric-slab 103 ', electromagnetic wave will reflect during by dielectric-slab, and electromagnetic wavelength will shorten, the effect of comprehensive this two aspect, can make the Distance Shortened between low frequency radiation oscillator arms 102 ' and reflecting plate 12 ', reduced the height of radiating element, through design of Simulation and experiment, can learn, the height of the low profile dual-polarized low frequency radiation of the utility model unit 10 ' only has 58mm left and right, be approximately 0.135 wavelength of 698MHz, than conventional half-wave dipole cell height, reduced by 45%, thereby reduced the difficulty to total stability Design, and be convenient to be had the client of domestic aerial demand to accept,
(2) setting of loading arm 104 ', can play the effect of widening low frequency bandwidth;
(3) realized the super wide working frequency range (698-960MHz of dual polarization, 1710-2700MHz), the voltage standing wave ratio of two wider frequency ranges is met design requirement (698-960MHz < 1.8,1710-2700MHz < 1.5);
(4) radiativity is good, and echo consume is little, meets the requirement of indoor coverage antenna to height, also meets the requirement of antenna for base station to height, has realized the miniaturization of antenna, has the wide market space;
(5) be particularly suitable for the indoor covering of the 4th Generation Mobile Communication System, can cover the frequency ranges such as SCDMA1900, CDMA800, GSM900, GSM1800, DCS, PCS, WCDMA, WiFi, WiMax, LTE and realize the communication pattern of MIMO, applied widely.
Above embodiment is described the utility model, but the utility model is not limited to the embodiment of above announcement, and should contain the various modifications of carrying out according to essence of the present utility model, equivalent combinations.
Claims (10)
1. one kind low profile dual-polarized low frequency radiation unit, comprise two groups of low frequency feed Ba Lun and four low frequency radiation oscillator arms, described in four, low frequency radiation oscillator arms is positioned at same plane, described in two groups, one end at right angle setting of low frequency feed Ba Lun is in a reflecting plate, described in two groups, the other end of low frequency feed Ba Lun is connected with low frequency radiation oscillator arms described in four, it is characterized in that, also comprise dielectric-slab, described dielectric-slab is installed on described reflecting plate close described low frequency radiation oscillator arms, and described dielectric-slab is between described reflecting plate and described low frequency radiation oscillator arms.
2. low profile dual-polarized low frequency radiation as claimed in claim 1 unit, is characterized in that, the dielectric constant of described dielectric-slab is 2.8 to 10, and the thickness of described dielectric-slab is 2 to 6 millimeters.
3. low profile dual-polarized low frequency radiation as claimed in claim 1 unit, is characterized in that, also comprises loading arm, and described loading arm is vertically extended and forms towards described reflecting plate bending away from the one end at described reflecting plate center by described low frequency radiation oscillator arms.
4. low profile dual-polarized low frequency radiation as claimed in claim 3 unit, is characterized in that, the length of described loading arm is 8 to 20 millimeters.
5. a low section multiband dual-polarized antenna array, comprises reflecting plate and at least one low frequency radiation unit, it is characterized in that, described in each, low frequency radiation unit is as described in claim 1 to 4 any one.
6. a low section multiband dual-polarization antenna apparatus, comprises at least one aerial array, and described in each, aerial array comprises reflecting plate and at least one low frequency radiation unit, it is characterized in that, described in each, low frequency radiation unit is as described in claim 1 to 4 any one.
7. one kind low section multiband dual polarized antenna, comprise two coaxial cables, coaxial connector, reflecting plate, mixer and low frequency radiation unit, described in one, the two ends of coaxial cable connect respectively described coaxial connector and mixer, described mixer is installed on described reflecting plate and is connected with described low frequency radiation unit by coaxial cable described in another, it is characterized in that, described low frequency radiation unit is as described in claim 1 to 4 any one.
8. low section multiband dual polarized antenna as claimed in claim 7, is characterized in that, also comprises binding post, and the two ends of described binding post connect respectively described mixer and are connected in the described coaxial cable of described low frequency radiation unit.
9. low section multiband dual polarized antenna as claimed in claim 8, it is characterized in that, also comprise high frequency radiation unit, described high frequency radiation unit comprises two groups of high frequency feed Ba Lun and four high frequency radiation oscillator arms, described in four, high frequency radiation oscillator arms is positioned at same plane, described in two groups, one end vertical welding of high frequency feed Ba Lun is in described mixer, and described in two groups, the other end of high frequency feed Ba Lun is connected with high frequency radiation oscillator arms described in four.
10. low section multiband dual polarized antenna as claimed in claim 9, is characterized in that, also comprises cable holder, and described cable holder is fixed on described reflecting plate by the described coaxial cable that connects described coaxial connector.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320745048.6U CN203589207U (en) | 2013-11-22 | 2013-11-22 | Low-profile and dual-polarization low-frequency radiation unit, antenna array, antenna device and antenna |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320745048.6U CN203589207U (en) | 2013-11-22 | 2013-11-22 | Low-profile and dual-polarization low-frequency radiation unit, antenna array, antenna device and antenna |
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| CN203589207U true CN203589207U (en) | 2014-05-07 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103779658A (en) * | 2013-11-22 | 2014-05-07 | 佛山市安捷信通讯设备有限公司 | Low-profile dual-polarization low-frequency radiation unit, antenna array, antenna apparatus and antenna |
| CN108155473A (en) * | 2016-12-06 | 2018-06-12 | 罗森伯格技术（昆山）有限公司 | Feed structure and antenna for base station |
| CN110112582A (en) * | 2019-05-13 | 2019-08-09 | 佛山市盛夫通信设备有限公司 | A kind of dual polarization wall aerial of multiband |
| CN111092296A (en) * | 2019-09-30 | 2020-05-01 | 京信通信技术(广州)有限公司 | Base station antenna and radiating element thereof |
| CN111987426A (en) * | 2019-05-21 | 2020-11-24 | 华为技术有限公司 | Radiation unit, antenna array and network equipment |
-
2013
- 2013-11-22 CN CN201320745048.6U patent/CN203589207U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103779658A (en) * | 2013-11-22 | 2014-05-07 | 佛山市安捷信通讯设备有限公司 | Low-profile dual-polarization low-frequency radiation unit, antenna array, antenna apparatus and antenna |
| CN103779658B (en) * | 2013-11-22 | 2016-08-24 | 佛山市安捷信通讯设备有限公司 | Low section multiband dual polarized antenna |
| CN108155473A (en) * | 2016-12-06 | 2018-06-12 | 罗森伯格技术（昆山）有限公司 | Feed structure and antenna for base station |
| CN108155473B (en) * | 2016-12-06 | 2024-05-14 | 普罗斯通信技术（苏州）有限公司 | Feed structure and base station antenna |
| CN110112582A (en) * | 2019-05-13 | 2019-08-09 | 佛山市盛夫通信设备有限公司 | A kind of dual polarization wall aerial of multiband |
| CN111987426A (en) * | 2019-05-21 | 2020-11-24 | 华为技术有限公司 | Radiation unit, antenna array and network equipment |
| US11848507B2 (en) | 2019-05-21 | 2023-12-19 | Huawei Technologies Co., Ltd. | Radiating element, antenna array, and network device |
| CN111092296A (en) * | 2019-09-30 | 2020-05-01 | 京信通信技术(广州)有限公司 | Base station antenna and radiating element thereof |
| CN111092296B (en) * | 2019-09-30 | 2022-04-26 | 京信通信技术(广州)有限公司 | Base station antenna and radiating element thereof |
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