CN202268478U

CN202268478U - Wideband dual-polarization dipole and base station antenna with same

Info

Publication number: CN202268478U
Application number: CN2011203659116U
Authority: CN
Inventors: 蒋红义; 刘先文; 吴志强; 李佳
Original assignee: Dongguan Huisu Antenna Technology Co Ltd
Current assignee: GUANGDONG HUISU TELECOMMUNICATION TECH CO., LTD.
Priority date: 2011-09-28
Filing date: 2011-09-28
Publication date: 2012-06-06
Anticipated expiration: 2021-09-28

Abstract

The utility model discloses a wideband dual-polarization dipole, which comprises a feed balun and four radiation parts vertically extended from the top end of the feed balun. Each radiation part is provided with a radiation frame and a connecting arm, wherein the radiation frame has a first frame arm and a second frame arm which enclose a frame shape; the connecting arm is arched, arranged in the radiation frame and connected between the first and second frame arms; moreover, the connecting arms of the four radiation parts are arranged to form a circular ring around the axis of the feed balun. According to the wideband dual-polarization dipole, the arched connecting arms are connected to the radiation frames, and can increase the bandwidth of the wideband dual-polarization dipole, so that the wideband dual-polarization dipole can work within the frequency band of 1.7 to 2.7 GHz, and meet the application requirements of high frequency bands of code division multiple access (CDMA) 2000 of China telecom, wideband code division multiple access (WCDMA) of China Unicom, and time division-synchronous code division multiple access (TD-SCDMA) and global system for mobile communications (GSM) networks of China mobile.

Description

Band dual polarization oscillator and have the antenna for base station of this oscillator

Technical field

The utility model relates to the mobile communication technology field, relates in particular to a kind of antenna of mobile communication base station and band dual polarization oscillator thereof.

Background technology

Along with the continuous progress of society, people require increasingly highly to mobile communication, force mobile communications industry to develop towards the direction of diversification, to bring more convenience to the mobile subscriber.Yet existing mobile communication network has also increased the quantity of mobile communication equipment when bringing convenience to the mobile subscriber, as has increased the quantity of antenna for base station.Like this, just increase installation, the maintenance engineering amount of base station equipment, also increased each big operating cost of operator simultaneously.

In order to overcome the problems referred to above, design the more wide band antenna of covering and just become the mobile communication main development tendency.And the working band of said antenna depends on the working band of single oscillator basically.So it is necessary fully designing the oscillator that can work in the broadband more.

For the high band of current mobile communication, 1.7～2.7GHz frequency range can satisfy most of mobile communication application occasion, like the CDMA2000 of China Telecom, the WCDMA of CHINAUNICOM, the TD-SADMA of China Mobile and the high band of GSM network.Therefore, design the requirement that the oscillator that works in this frequency range just can satisfy current mobile communications network development in pluralism.

The utility model content

The purpose of the utility model provides a kind of band dual polarization oscillator, and said band dual polarization oscillator can cover wider bandwidth to satisfy the requirement of current mobile communication development in pluralism.

Another purpose of the utility model provides a kind of antenna for base station, and the band dual polarization oscillator of said antenna can cover wider bandwidth to satisfy the requirement of current mobile communication development in pluralism.

For realizing above-mentioned purpose; The utility model discloses a kind of band dual polarization oscillator; Comprise a feed Ba Lun and four Departments of Radiation that come out from the top vertical extent of feed Ba Lun; Each Department of Radiation has a radiation frame and a linking arm, and the radiation frame has the first frame arm and the second frame arm, and the first frame arm becomes a shaped as frame with the second frame upper-arm circumference; Linking arm is curved and be arranged in the radiation frame and be connected between the first frame arm and the second frame arm, and the linking arm of four Departments of Radiation is the axis setting of annular around feed Ba Lun.

As further improvement, the said first frame arm and the second frame arm are encircled into a shaped as frame.

As further improvement, the said first frame arm and the second frame arm all have two orthogonal arms.

As further improvement; One end of one arm of the said first frame arm and the second frame arm is vertically connected on the Ba Lun arm; And the arm that is connected the Ba Lun arm of this first frame arm and the second frame arm is vertical each other to be provided with, and another arm of the first frame arm and the second frame arm vertically is connected each other.

As further improvement, form a wire casing mouth between the arm of the connection Ba Lun arm of the said first frame arm and the second frame arm.

As further improvement, said linking arm is connected between the junction of two arms of junction and the second frame arm of two arms of the first frame arm.

Correspondingly, the utility model also provides a kind of antenna for base station, comprises a reflecting plate and at least one oscillator battle array that is fixed on the said reflecting plate, and said oscillator battle array has a plurality of band dual polarization oscillators.Said band dual polarization oscillator can cover wider bandwidth to satisfy the requirement of current mobile communication development in pluralism.

Because; The utility model the radiation frame of band dual polarization oscillator on be connected with curved linking arm; This linking arm can be expanded the bandwidth of this band dual polarization oscillator; And this linking arm has also improved the stability of this band dual polarization oscillator when one-body molded when expanding bandwidth, prevent the buckling deformation of radiation frame.

Description of drawings

Fig. 1 is the stereogram of the utility model antenna for base station one specific embodiment.

Fig. 2 is the stereogram of the utility model band dual polarization oscillator.

Fig. 3 is the vertical view of band dual polarization oscillator shown in Figure 2.

Fig. 4 is the end view of band dual polarization oscillator shown in Figure 2.

Fig. 5 is the upward view of band dual polarization oscillator shown in Figure 2.

Fig. 6 is the emulation standing-wave ratio figure of band dual polarization oscillator shown in Figure 2.

Fig. 7 is the emulation isolation figure of band dual polarization oscillator shown in Figure 2.

Fig. 8 is the emulation horizontal radiation pattern of band dual polarization oscillator shown in Figure 2.

The emulation cross polarization discrimination curve chart that Fig. 9 is a band dual polarization oscillator shown in Figure 2 when 1.7GHz ± 60deg.

The emulation cross polarization discrimination curve chart that Figure 10 is a band dual polarization oscillator shown in Figure 2 when 2.2GHz ± 60deg.

The emulation cross polarization discrimination curve chart that Figure 11 is a band dual polarization oscillator shown in Figure 2 when 2.7GHz ± 60deg.

Embodiment

Be to specify technology contents, structural feature, the purpose that is realized and the effect of the utility model, below specially lift that embodiment and conjunction with figs. are detailed gives explanation.

See also Fig. 1 and Fig. 2, it has disclosed a specific embodiment of the utility model antenna for base station.In the present embodiment, this antenna for base station has a reflecting plate 10 and and is fixed on the oscillator battle array 20 on the reflecting plate 10.In this enforcement, said oscillator battle array 20 has a plurality of band dual polarization oscillators 200, and band dual polarization oscillator 200 is gone out the signal radiation of feeder line 30 feed-ins, thereby realizes the signal transmission of antenna for base station and portable terminal.This band dual polarization oscillator 200 works in 1.7～2.7GHz frequency range, can satisfy the requirement of standard type mobile communications such as high band of TD-SADMA and GSM network of WCDMA, the China Mobile of CDMA2000, the CHINAUNICOM of China Telecom.

See also Fig. 2 to 5, four Departments of Radiation 220 that band dual polarization oscillator 200 has a feed Ba Lun 210 and comes out from this feed Ba Lun 210 vertical extent.

Feed Ba Lun 210 has the base plate 211 of a circle.The edge of base plate 211 offers four recesses 212.At these recess 212 places, base plate 211 upwards vertically extends a Ba Lun arm 213, and the cross section of Ba Lun arm 213 is arcs of recesses, thereby forms the groove 214 that extends below on, and the top of two adjacent Ba Lun arms 213 wherein is provided with an annulus 215.Annulus 215, groove 214 and recess 212 are used to guide feeder line 30.

Department of Radiation 220 comes out from the top vertical extent of Ba Lun arm 213.This Department of Radiation 220 has a radiation frame 221 and is arranged in the radiation frame 221 and is connected the linking arm 222 on the radiation frame 221.

Radiation frame 221 is the square frame shape; It has the first frame arm 223 and the second frame arm 224; The first frame arm 223 and the second frame arm 224 all bend and are 90 degree shapes, thereby the first frame arm 223 is formed with two orthogonal arms 225,226, the second frame arm 224 is formed with two orthogonal arms 227,228.One end of the first frame arm 223, promptly an end of arm 225 is vertically connected on the top of a Ba Lun arm 213.One end of the second frame arm 224; It is the top that an end of arm 227 also is vertically connected on this Ba Lun arm 213; This arm 227 and arm 225 mutual vertical settings, and keep at a certain distance away between two arms 227,225 and the end that Ba Lun arm 213 is connected and form a wire casing mouth 229; The other end (being an end of arm 225) the vertical connection of the other end of the second frame arm 224 (being an end of arm 228) and the first frame arm 223; Because the first frame arm 223 and the second frame arm, 224 1 ends are connected on the Ba Lun arm 213; The other end of the first frame arm 223 and the second frame arm 224 links together, thereby the first frame arm 223 and the second frame arm 224 are encircled into a shaped as frame.。

Linking arm 222 is curved; It is connected the first frame arm 223 and the second frame arm 224 between; In the present embodiment; One end of linking arm 222 is connected the junction of arm 226 and arm 225, and the other end of linking arm 222 is connected the junction of arm 228 and arm 227, and the linking arm 222 of four Departments of Radiation 220 is the axis setting of annular around feed Ba Lun 210.

Feeder line 30 passes recess 212, groove 214, the annulus 215 of reflecting plate 10 and band dual polarization oscillator 200 successively; And the shielding conductor of this feeder line 30 is welded on the radiation frame 221 through wire casing mouth 229; Its heart yearn is welded on another radiation frame 221 through another wire casing mouth 229, thereby signal can radiate through Department of Radiation 220.

Because; Be connected with linking arm 222 on the radiation frame 221 of band dual polarization oscillator 200; This linking arm 222 has been expanded the bandwidth of this band dual polarization oscillator 200; Simultaneously, this linking arm 222 has also improved the stability of this band dual polarization oscillator 200 when one-body molded, prevents the buckling deformation of radiation frame 221.

Fig. 6 to and Figure 11 carry out standing-wave ratio curve chart, isolation curve chart, horizontal directivity pattern and the cross polarization discrimination curve chart that emulation experiment obtains for the band dual polarization oscillator 200 of the utility model oscillator emulation testing software through specialty.

Can find out from above analogous diagram; The band dual polarization oscillator 200 of the utility model has been taken into account electric properties such as standing-wave ratio, isolation, horizontal directivity pattern, cross polarization discrimination well in 1.7～2.7GHz wideband segment limit; Thereby can be applied to the CDMA2000 network of China Telecom, the WCDMA network of CHINAUNICOM, the TD-SADMA network of China Mobile and the high band of GSM network etc.; Therefore band dual polarization oscillator 100 ranges of application of the utility model are wide, and it has better market prospect.

More than combine most preferred embodiment that the utility model is described, but the utility model is not limited to the embodiment of above announcement, and should contains various modification, equivalent combinations of carrying out according to the essence of the utility model.

Claims

1. band dual polarization oscillator; Comprise a feed Ba Lun (210) and four Departments of Radiation (220) that come out from the top vertical extent of feed Ba Lun (210); It is characterized in that: each Department of Radiation (220) has a radiation frame (221) and a linking arm (222); Radiation frame (221) has the first frame arm (223) and the second frame arm (224); The first frame arm (223) and the second frame arm (224) surround a shaped as frame, and linking arm (222) is curved and be arranged in the radiation frame (221) and be connected between the first frame arm (223) and the second frame arm (224), and the linking arm (222) of four Departments of Radiation (220) is the axis setting of annular around feed Ba Lun (210).

2. band dual polarization oscillator as claimed in claim 1 is characterized in that: the said first frame arm (223) and the second frame arm (224) are encircled into a shaped as frame.

3. band dual polarization oscillator as claimed in claim 1 is characterized in that: the said first frame arm (223) and the second frame arm (224) all have two orthogonal arms (225,226,227,228).

4. band dual polarization oscillator as claimed in claim 3; It is characterized in that: an arm (225 of the said first frame arm (223) and the second frame arm (224); 227) a end is vertically connected on the Ba Lun arm (213), and the vertical each other setting of the arm that is connected Ba Lun arm (213) (225,227) of this first frame arm (223) and the second frame arm (224); Another arm (226,228) of the first frame arm (223) and the second frame arm (224) is vertical each other to be connected.

5. band dual polarization oscillator as claimed in claim 4 is characterized in that: form a wire casing mouth (229) between the arm that is connected Ba Lun arm (213) (225,227) of the said first frame arm (223) and the second frame arm (224).

6. band dual polarization oscillator as claimed in claim 4 is characterized in that: said linking arm (222) is connected between the junction of two arms (227,228) of junction and the second frame arm (224) of two arms (225,226) of the first frame arm (223).

7. an antenna for base station comprises a reflecting plate and at least one oscillator battle array that is fixed on the said reflecting plate, and said oscillator battle array has a plurality of oscillators, it is characterized in that: each is said for said oscillator such as claim 1-5.