CN202282445U - Dual polarization compartment antenna - Google Patents

Dual polarization compartment antenna Download PDF

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Publication number
CN202282445U
CN202282445U CN2011204430871U CN201120443087U CN202282445U CN 202282445 U CN202282445 U CN 202282445U CN 2011204430871 U CN2011204430871 U CN 2011204430871U CN 201120443087 U CN201120443087 U CN 201120443087U CN 202282445 U CN202282445 U CN 202282445U
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CN
China
Prior art keywords
edge
antenna
terrace
metal
dual polarization
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CN2011204430871U
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Chinese (zh)
Inventor
邓遥林
石萌
张慧萍
朱林冲
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CICT Mobile Communication Technology Co Ltd
Original Assignee
Wuhan Hongxin Telecommunication Technologies Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
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Priority to CN2011204430871U priority Critical patent/CN202282445U/en
Application granted granted Critical
Publication of CN202282445U publication Critical patent/CN202282445U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The present utility model discloses a compartment antenna, specifically an omnibearing dual polarization compartment antenna. In the antenna, a plurality of PCB oscillators is fixed on various side surfaces of a metal prismoid through supporting pillars, the PCB oscillators are arranged at equal intervals around the axis of the metal prismoid in the same level to form a circular ring array, and uniform amplitude and same phase excitation is provided by a microstrip line power-dividing plate. A separating sheet is fixed above the metal prismoid through an insulation support, and the metal prismoid, the separating sheet and the insulation support are coaxial. In the antenna, the polarized isolation is larger than 25dB, the cross polarization ratio is larger than 15dB, and the directional diagram circularity is not larger than positive or negative 1.5dB; and the antenna has advantages of wide frequency band, wide coverage area, low contour, beautiful profile and low costs, etc. Moreover, the antenna can satisfy requirements of multi-standard indoor coverage systems, such as GSM 1800, CDMA 2000, WCDMA, TD-SCDMA and TD-LTE.

Description

A kind of dual polarization chamber divided antenna
Technical field
The utility model relates to a kind of mobile communication indoor distribution antenna, relates in particular to a kind of dual polarization chamber divided antenna.
Background technology
Along with the continuous quickening of mobile communication pace of construction, mobile subscriber's increase at full speed, seamless covering can be accomplished basically in the outdoor area of big and medium-sized cities.In order to improve network quality, to improve user satisfaction, increasing telephone traffic, indoor covering more and more becomes the emphasis of the network optimization.
Multiple-input and multiple-output (multi-input-multi-output; MIMO) antenna technology is one of key technology that solves the indoor communications quality, with respect to the traditional single output of single input (single-input-single-output, SISO) antenna system; The MIMO antenna system can improve the availability of frequency spectrum; Make antenna system can under the limited wireless frequency band, transmit the data service of higher rate, and the dual polarization ceiling mount antenna not only can improve the availability of frequency spectrum as the array element of indoor MIMO antenna system; And reduced the quantity of antenna and feeder line, help beautifying of indoor covering.
Therefore, has stronger practical value in order to satisfy the covering needs under the indoor different application occasion, develop the dual polarization chamber divided antenna that satisfies system requirements.
The utility model content
The purpose of the utility model just is to provide a kind of dual polarization chamber divided antenna, to satisfy the covering needs under the indoor different application occasion.
The technical scheme of the utility model is:
The utility model comprises that PCB oscillator, support column, metal terrace with edge, base plate, microstrip line merit divide plate, spacing fork and insulating support;
A plurality of PCB oscillators are fixed on each side of metal terrace with edge through support column; All PCB oscillators equidistantly are arranged in composition ring array in the same horizontal plane around the axis of metal terrace with edge; All PCB oscillators divide plate that constant amplitude cophase detector is provided by the microstrip line merit, and spacer is fixed in the top of metal terrace with edge through insulating support;
Metal terrace with edge, spacer and insulating support three are coaxial;
Working mechanism:
The PCB oscillator is through adopting grading structure and introduced the effective broadening of parasitic element the bandwidth of antenna;
A plurality of PCB oscillators equidistantly are arranged on the same horizontal plane around the axis of metal terrace with edge forms ring array, divides plate that constant amplitude cophase detector is provided by the microstrip line merit, thereby realizes the even omnidirectional radiation of horizontal plane self-energy; Be an angle between the side of metal terrace with edge and base plate, this angular range is 0~90 °, through regulating corner dimension, signal power is concentrated in 20~90 ° the radiation angular range, thereby the wave beam that satisfies under the different application occasion covers requirement.
Spacer is a metal material, and its profile is the cross fork-shaped, and this spider can improve polarization isolation, and the directional diagram index is not had influence.
The utlity model has advantage and good effect:
1. polarization isolation>25dB, cross polarization ratio>15dB, directional diagram circularity≤± 1.5dB;
2. have that bandwidth, wide coverage, profile are low, good looking appearance, characteristics such as with low cost.
3. can satisfy the needs of multi-modulation scheme indoor covering systems such as GSM1800, CDMA2000, WCDMA, TD-SCDMA, TD-LTE.
Description of drawings
Fig. 1 is the structural representation of the utility model;
Fig. 2 is the structural representation (positive & bottom surface) of PCB oscillator;
Fig. 3 is the structural representation of metal terrace with edge;
Fig. 4 is the structural representation of base plate;
Fig. 5 is the structural representation of spacer;
Fig. 6 is the structural representation of insulating support;
Wherein:
The 10-PCB oscillator,
The 11-medium substrate, 12-parasitic element, 13-radiating element, 14-oscillator via hole;
The 20-support column;
30-metal terrace with edge,
31-terrace with edge via hole, the 32-flange;
The 40-base plate,
41-base plate via hole;
50-microstrip line merit is divided plate;
The 60-spacer,
61-spacer via hole;
The 70-insulating support,
71-support via hole.
English to Chinese:
1, TD-SCDMA: (Time Division-Synchronous Code Division Multiple Access) TD SDMA is a kind of technical standard of third generation radio communication.
2, LTE (Long Term Evolution): the Long Term Evolution project is a transition between 3G and the 4G technology.
Embodiment
Further specify below in conjunction with accompanying drawing and embodiment:
One, overall
Like Fig. 1, the utility model comprises that PCB oscillator 10, support column 20, metal terrace with edge 30, base plate 40, microstrip line merit divide plate 50, spacer 60 and insulating support 70;
A plurality of PCB oscillators 10 are fixed on each side of metal terrace with edge 30 through support column 20; All PCB oscillators 10 equidistantly are arranged in composition ring array in the same horizontal plane around the axis of metal terrace with edge 30; All PCB oscillators 10 divide plate 50 that constant amplitude cophase detector is provided by the microstrip line merit, and spacer 60 is fixed in the top of metal terrace with edge 30 through insulating support 70;
Metal terrace with edge 30, spacer 60 and insulating support 70 threes are coaxial.
Two, functional part
1, the PCB oscillator 10
Like Fig. 1, Fig. 2, PCB oscillator 10 is ± 45 ° of double-polarized printed symmetrical dipoles, and its bottom surface is a radiating element 13, and the front is a parasitic element 12, is grading structure, adopts grading structure and introduced the effective broadening of parasitic element the bandwidth of antenna.
Function: it is the basic composition unit of ring array, realizes the radiation of ± 45 ° of polarized waves.
2, support column 20
Like Fig. 1, support column 20 is a kind of plastic support post.
Its function is that 10 of PCB oscillators are supported and fixation.
3, the metal terrace with edge 30
Like Fig. 1, Fig. 3, metal terrace with edge 30 is a kind ofly to be provided with terrace with edge via hole 31 on every side by the stamping forming hollow structure of aluminium alloy, and bottom margin is outward extended with flange 32, and the corner angle scope of terrace with edge is 0~90 °.
Its function is that beam coverage is controlled.
4, base plate 40
Like Fig. 1, Fig. 4, base plate 40 is a kind of circular configuration, and the centre is provided with square base plate via hole 41.
Its function is to realize that energy is to the upper half-space radiation.
5, the microstrip line merit is divided plate 50
Like Fig. 1, it is a kind of microstrip power dividers commonly used that the microstrip line merit is divided plate 50.
Its function is for a plurality of PCB oscillators of forming ring array excitation to be provided.
6, spacer 60
Like Fig. 1, Fig. 5, spacer 60 is a kind of cross fork configurations, and its material is an aluminium, and it is provided with spacer via hole 61.
Its function is to improve the polarization isolation index.
7, insulating support 70
Like Fig. 1, Fig. 6, insulating support 70 is a plastic material, and is similar with metal terrace with edge 30, is a kind of terrace with edge structure, its bottom opening, and seal at the top, and the top is provided with support via hole (71).
Its function has two: the one, be used for fixing spacer 60; The 2nd, accomplish the insulation of spacer 60 and metal terrace with edge 30.
Three, assembling
1, the feed of PCB oscillator 10
One end of feed coaxial cable links to each other with PCB oscillator 10, and concrete connected mode is: coaxial cable outer conductor links to each other with an arm of PCB oscillator 10, and heart yearn links to each other with another arm through conducting strip; The terrace with edge via hole 31 that the other end of feed coaxial cable passes on the metal terrace with edge 30 is connected to each output that the microstrip line merit is divided plate 50, and the microstrip line merit divides plate 50 to be fixed on the back side of base plate 40.
2, PCB oscillator 10 is fixing
PCB oscillator 10 is fixed on each side of metal terrace with edge 30 through support column 20, in the present embodiment, fixes through plastic screw.
3, metal terrace with edge 30 is fixing
Metal terrace with edge 30 is fixed on the base plate 40 through the flange 32 of metal terrace with edge, in the present embodiment, fixes through rivet.
4, the microstrip line merit is divided the fixing of plate 50:
In the present embodiment, adopt rivet to divide plate 50 to be fixed on the back side of base plate 40 the microstrip line merit.
5, spacer 60 is fixing:
At first adopt rivet that plastic stent 70 is fixed on the top of metal terrace with edge 30, adopt screw that spacer 60 is installed on the plastic stent 70 then.

Claims (6)

1. dual polarization chamber divided antenna is characterized in that:
Comprise that PCB oscillator (10), support column (20), metal terrace with edge (30), base plate (40), microstrip line merit divide plate (50), spacer (60) and insulating support (70);
A plurality of PCB oscillators (10) are fixed on each side of metal terrace with edge (30) through support column (20); All PCB oscillators (10) equidistantly are arranged in composition ring array in the same horizontal plane around the axis of metal terrace with edge (30); All PCB oscillators (10) divide plate (50) that constant amplitude cophase detector is provided by the microstrip line merit, and spacer (60) is fixed in the top of metal terrace with edge (30) through insulating support (70);
Metal terrace with edge (30), spacer (60) and insulating support (70) three are coaxial.
2. by the described a kind of dual polarization of claim 1 chamber divided antenna, it is characterized in that:
Described PCB oscillator (10) is a kind of ± 45 ° double-polarized printed symmetrical dipoles, and the bottom surface of medium substrate is radiating element (13), and the front is parasitic element (12).
3. by the described a kind of dual polarization of claim 1 chamber divided antenna, it is characterized in that:
Described metal terrace with edge (30) is a kind of by the stamping forming hollow structure of aluminium alloy, is provided with terrace with edge via hole (31) on every side, and bottom margin extends outward a flange (32), and the corner angle scope of terrace with edge is 0~90 °.
4. by the described a kind of dual polarization of claim 1 chamber divided antenna, it is characterized in that:
Described base plate (40) is a kind of circular configuration, and the centre is provided with square base plate via hole (41).
5. by the described a kind of dual polarization of claim 1 chamber divided antenna, it is characterized in that:
Described spacer (60) is a kind of cross fork configuration, and it is provided with spacer via hole (61).
6. by the described a kind of dual polarization of claim 1 chamber divided antenna, it is characterized in that:
Described insulating support (70) is a kind of terrace with edge structure, its bottom opening, and seal at the top, and the top is provided with support via hole (71).
CN2011204430871U 2011-11-10 2011-11-10 Dual polarization compartment antenna Expired - Lifetime CN202282445U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011204430871U CN202282445U (en) 2011-11-10 2011-11-10 Dual polarization compartment antenna

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011204430871U CN202282445U (en) 2011-11-10 2011-11-10 Dual polarization compartment antenna

Publications (1)

Publication Number Publication Date
CN202282445U true CN202282445U (en) 2012-06-20

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102956972A (en) * 2012-11-01 2013-03-06 广州杰赛科技股份有限公司 Antenna
CN103280626A (en) * 2013-04-28 2013-09-04 广东通宇通讯股份有限公司 Dual-broadband and dual-polarization omni-directional ceiling antenna
CN103337700A (en) * 2013-06-20 2013-10-02 苏州安洁科技股份有限公司 Antenna capable of improving impedance matching and bandwidth character
CN104466396A (en) * 2015-01-06 2015-03-25 中邮科通信技术股份有限公司 Novel LTE dual polarization indoor distribution antenna
CN109462032A (en) * 2018-10-10 2019-03-12 江苏三和欣创通信科技有限公司 A kind of more star dual-band antennas based on multi-arm spiral
WO2023179128A1 (en) * 2022-03-23 2023-09-28 Oppo广东移动通信有限公司 Antenna module and electronic device

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102956972A (en) * 2012-11-01 2013-03-06 广州杰赛科技股份有限公司 Antenna
CN102956972B (en) * 2012-11-01 2015-03-25 广州杰赛科技股份有限公司 Antenna
CN103280626A (en) * 2013-04-28 2013-09-04 广东通宇通讯股份有限公司 Dual-broadband and dual-polarization omni-directional ceiling antenna
CN103280626B (en) * 2013-04-28 2015-12-23 广东通宇通讯股份有限公司 Two band dual polarization all-around top absorbing antenna
CN103337700A (en) * 2013-06-20 2013-10-02 苏州安洁科技股份有限公司 Antenna capable of improving impedance matching and bandwidth character
CN104466396A (en) * 2015-01-06 2015-03-25 中邮科通信技术股份有限公司 Novel LTE dual polarization indoor distribution antenna
CN104466396B (en) * 2015-01-06 2017-06-20 中邮科通信技术股份有限公司 A kind of new LTE dual polarization compartment antennas
CN109462032A (en) * 2018-10-10 2019-03-12 江苏三和欣创通信科技有限公司 A kind of more star dual-band antennas based on multi-arm spiral
CN109462032B (en) * 2018-10-10 2021-01-12 江苏三和欣创通信科技有限公司 Multi-star dual-frequency antenna based on multi-arm spiral
WO2023179128A1 (en) * 2022-03-23 2023-09-28 Oppo广东移动通信有限公司 Antenna module and electronic device

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C14 Grant of patent or utility model
GR01 Patent grant
CP03 Change of name, title or address
CP03 Change of name, title or address

Address after: 430205 Hubei city of Wuhan province Jiangxia Hidden Dragon Island Tan lake two Road No. 1

Patentee after: CITIC Mobile Communication Technology Co., Ltd

Address before: 430073 Hubei province Wuhan Dongxin East Lake high tech Development Zone, Road No. 5

Patentee before: Wuhan Hongxin Telecommunication Technologies Co.,Ltd.

CP01 Change in the name or title of a patent holder
CP01 Change in the name or title of a patent holder

Address after: 430205 No.1 tanhu 2nd Road, Canglong Island, Jiangxia District, Wuhan City, Hubei Province

Patentee after: CITIC Mobile Communication Technology Co.,Ltd.

Address before: 430205 No.1 tanhu 2nd Road, Canglong Island, Jiangxia District, Wuhan City, Hubei Province

Patentee before: CITIC Mobile Communication Technology Co., Ltd

CX01 Expiry of patent term
CX01 Expiry of patent term

Granted publication date: 20120620