CN202196864U - Double-frequency Yagi aerial - Google Patents
Double-frequency Yagi aerial Download PDFInfo
- Publication number
- CN202196864U CN202196864U CN 201120299808 CN201120299808U CN202196864U CN 202196864 U CN202196864 U CN 202196864U CN 201120299808 CN201120299808 CN 201120299808 CN 201120299808 U CN201120299808 U CN 201120299808U CN 202196864 U CN202196864 U CN 202196864U
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- frequency
- antenna
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- double
- folded dipole
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Abstract
The utility model relates to the field of an antenna technology, and specially discloses a double-frequency Yagi aerial, including an antenna main rod (2). A low frequency radiation unit and a high frequency radiation unit are arranged in sequence along the antenna main rod (2); the low frequency radiation unit includes a plurality of low frequency directors (6), a low frequency excitation folding oscillator (8) and a low frequency reflector (9); the high frequency radiation unit includes a plurality of high frequency directors (4), a high frequency excitation folding oscillator (5) and a high frequency reflector. The work frequency of the double-frequency Yagi aerial is from 824 to 960 MHz or from 1710 to 2170 MHz, the antenna gain is 10 dBi, the standing-wave ratio is less than 1.8, and the usage requirements of mobile telephone communication systems such as CDMA, GSM and 3G can be satisfied.
Description
Technical field
The utility model relates to antenna technical field, relates in particular to a kind of directed double frequency Yagi antenna of two-band that is applied in miniature repeater.
Background technology
Present stage is used for the miniature repeater donor antenna of mobile phone communication systems such as CDMA, GSM, 3G; Mainly contain two kinds: first Yagi antenna; Being antenna inferior by the show of presenter's Yagi spark gap and space Tian Tailang name, or being called " Uda antenna ", is the end-fire antenna that an active dipole (generally using folded dipole), a passive reflector and several passive directors are arranged in parallel and form; Good directivity is arranged, high gain is arranged than dipole antenna; It two is logarithm periodic antennas, and its operating frequency can arrive the working frequency range compatibility of CDMA, GSM, 3G than broad, (has only 7～8dBi) communication distances short slightly but gain is lower.Though the Yagi antenna gain can reach more than the 10dBi, the relative logarithm periodic antenna difference of operational frequency bandwidth is far, can not can satisfy CDMA, GSM, 3G use simultaneously.
The utility model content
For solving the deficiency of prior art, the utility model provides a kind of double frequency Yagi antenna, can satisfy the miniature repeater instructions for use of mobile phone communication systems such as CDMA, GSM, 3G simultaneously.
For solving above technical problem; The technical scheme that the utility model provides is; A kind of double frequency Yagi antenna comprises an antenna mobile jib (2), sets gradually a low frequency radiation unit and a high frequency radiation unit along said antenna mobile jib (2); Said low frequency radiation unit comprises a plurality of low frequency directors (6), a low-frequency excitation folded dipole (8) and a bass reflex device (9), and said high frequency radiation unit comprises a plurality of high frequency directors (4), a high frequency pumping folded dipole (5) and a high-frequency reflector.
More excellent ground, said antenna (2) mobile jib is an aluminum pipe, two seals with plastics plug (1).
More excellent ground, the end of said antenna mobile jib (23) is provided with mounting panel (10), and antenna package is the center line left-right symmetric with said antenna mobile jib (2).
More excellent ground, said low frequency director (6), bass reflex device (9), high frequency director (4) and high-frequency reflector are made by aluminum pipe.
More excellent ground, the side of said antenna mobile jib (2) offers through hole, and said low frequency director (6), bass reflex device (9), high frequency director (4) and high-frequency reflector pass through hole, and are fixed on the said antenna mobile jib (2) with self-plugging rivet (3).
More excellent ground, said low frequency director (6) and bass reflex device (9) become radioactivity to arrange.
More excellent ground, said high frequency director (4) and high-frequency reflector are with equidistant arrangement.
More excellent ground, the low frequency director (6) of caudal end is as said high-frequency reflector.
More excellent ground, said low-frequency excitation folded dipole (8) and said high frequency pumping folded dipole (5) are made with the folded dipole that spacing is arranged respectively, and interval one distance between said low-frequency excitation folded dipole (8) and the said high frequency pumping folded dipole (5).
More excellent ground, the feeder cable connector is connected with said low-frequency excitation folded dipole, connects copper pipe through one then and is connected with said high frequency pumping folded dipole (5), constitutes series feed state.
Compared with prior art, the low-and high-frequency radiating element of the utility model double frequency Yagi antenna all is arranged on the antenna mobile jib, and structure is very compact.Operating frequency 824～960MHz/1710～the 2170MHz of this antenna, gain 10dBi, standing-wave ratio can satisfy mobile phone communication systems such as CDMA, GSM, 3G simultaneously and use less than 1.8.This antenna structure is simple, and cost is low, is fit to produce in enormous quantities.
Description of drawings
Fig. 1 is the overall schematic of the utility model double frequency Yagi antenna.
Among the figure, relevant Reference numeral is:
1, plastics plug; 2, antenna mobile jib; 3, self-plugging rivet; 4, high frequency director; 5, high frequency pumping folded dipole; 6, low frequency director; 7, connect copper pipe; 8, low-frequency excitation folded dipole; 9, bass reflex device; 10, mounting panel; 11, connector.
Embodiment
In order to make those skilled in the art understand the technical scheme of the utility model better, the utility model is done further to specify below in conjunction with accompanying drawing and specific embodiment.
Referring to Fig. 1～Fig. 3, represent a preferred embodiment of the utility model double frequency Yagi antenna (hereinafter to be referred as antenna) simultaneously.The double frequency Yagi antenna that this antenna uses for the miniature repeater that can satisfy mobile phone communication systems such as CDMA, GSM, 3G simultaneously, its operating frequency are at 824～960MHz/1710～2170MHz, and 10dBi gains.This antenna divides three parts from structure: first antenna mobile jib; It two is high frequency radiation unit; It three is low frequency radiation unit.
As shown in Figure 1, antenna be by a square aluminum pipe as antenna mobile jib 2: the end at antenna mobile jib 2 has a square mounting panel 11; There is 1 sealing of plastics plug at antenna mobile jib 2 two, are used for waterproof; Low frequency radiation unit and high frequency radiation unit that antenna is arranged along antenna mobile jib 2 successively; These two radiating elements connect with connecting copper pipe 7; Wherein the low frequency radiation unit comprises 6,1 low-frequency excitation folded dipoles 8 of 5 low frequency directors and a bass reflex device, and the high frequency radiation unit comprises 10 high frequency directors 4; 1 high frequency pumping folded dipole 5 and 1 high-frequency reflector utilize low frequency director 6 that the low frequency radiation unit the most the do not hold high-frequency reflector as the high frequency radiation unit more excellently.
As shown in Figure 1; Said antenna is the center line left-right symmetric with antenna mobile jib 2; This mobile jib is that the square aluminum pipe by (12～30) X (12～30) mm is made, and long 600～1000mm is being arranged in order mounting panel 11, low frequency radiation unit and high frequency radiation unit then at antenna mobile jib 2.
As shown in Figure 1, all low-and high-frequency directors of antenna and low-and high-frequency reflector all are made by Φ 5～12mm circle aluminum pipe.Side at antenna mobile jib 2 has through hole, and all low-and high-frequency directors and low-and high-frequency reflector pass through hole, and are fixed on the antenna mobile jib 2 with self-plugging rivet 3.More excellent ground, bass reflex device 9 and low frequency director 6 are radioactivity to be arranged, and high frequency director and high-frequency reflector are arranged so that the spacing of 20～40mm is impartial.The excitation folded dipole of two radiating elements all uses the folded dipole of spacing 30～50mm to make; And between the two at a distance of 200～300mm; Feeder cable connector 11 at first is connected with the low-frequency excitation folded dipole 8 of low frequency radiation unit; Connect copper pipe 7 through Φ a 5～10mm then and be connected, constitute series feed state with high frequency pumping folded dipole 5.
Operating frequency 824～960MHz/1710～the 2170MHz of said this antenna of above embodiment, gain 10dBi, standing-wave ratio is less than 1.8; Can satisfy mobile phone communication systems such as CDMA, GSM, 3G simultaneously uses; It is simple in structure, and cost is low, is fit to produce in enormous quantities.
Only be the preferred implementation of the utility model below, should be pointed out that above-mentioned preferred implementation should not be regarded as the restriction to the utility model, the protection range of the utility model should be as the criterion with claim institute restricted portion.For those skilled in the art; In spirit that does not break away from the utility model and scope; Can also make some improvement and retouching (length of antenna mobile jib, mounting means etc.), these improvement and retouching also should be regarded as the protection range of the utility model.
Claims (10)
1. double frequency Yagi antenna; It is characterized in that; Comprise an antenna mobile jib (2); Set gradually a low frequency radiation unit and a high frequency radiation unit along said antenna mobile jib (2), said low frequency radiation unit comprises a plurality of low frequency directors (6), a low-frequency excitation folded dipole (8) and a bass reflex device (9), and said high frequency radiation unit comprises a plurality of high frequency directors (4), a high frequency pumping folded dipole (5) and a high-frequency reflector.
2. double frequency Yagi antenna as claimed in claim 1 is characterized in that, said antenna (2) mobile jib is an aluminum pipe, and two seals with plastics plug (1).
3. double frequency Yagi antenna as claimed in claim 1 is characterized in that, the end of said antenna mobile jib (23) is provided with mounting panel (10), and antenna package is the center line left-right symmetric with said antenna mobile jib (2).
4. double frequency Yagi antenna as claimed in claim 1 is characterized in that, said low frequency director (6), bass reflex device (9), high frequency director (4) and high-frequency reflector are made by aluminum pipe.
5. double frequency Yagi antenna as claimed in claim 4; It is characterized in that; The side of said antenna mobile jib (2) offers through hole; Said low frequency director (6), bass reflex device (9), high frequency director (4) and high-frequency reflector pass through hole, and are fixed on the said antenna mobile jib (2) with self-plugging rivet (3).
6. double frequency Yagi antenna as claimed in claim 1 is characterized in that, said low frequency director (6) and bass reflex device (9) become radioactivity to arrange.
7. double frequency Yagi antenna as claimed in claim 1 is characterized in that, said high frequency director (4) and high-frequency reflector are with equidistant arrangement.
8. double frequency Yagi antenna as claimed in claim 1 is characterized in that, the low frequency director (6) of caudal end is as said high-frequency reflector.
9. double frequency Yagi antenna as claimed in claim 1; It is characterized in that; Said low-frequency excitation folded dipole (8) and said high frequency pumping folded dipole (5) are made with the folded dipole that spacing is arranged respectively, and interval one distance between said low-frequency excitation folded dipole (8) and the said high frequency pumping folded dipole (5).
10. like each described double frequency Yagi antenna of claim 1～9, it is characterized in that the feeder cable connector is connected with said low-frequency excitation folded dipole, connect copper pipe through one then and be connected, constitute series feed state with said high frequency pumping folded dipole (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120299808 CN202196864U (en) | 2011-08-17 | 2011-08-17 | Double-frequency Yagi aerial |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120299808 CN202196864U (en) | 2011-08-17 | 2011-08-17 | Double-frequency Yagi aerial |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202196864U true CN202196864U (en) | 2012-04-18 |
Family
ID=45951763
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120299808 Expired - Fee Related CN202196864U (en) | 2011-08-17 | 2011-08-17 | Double-frequency Yagi aerial |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202196864U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104218299A (en) * | 2014-08-14 | 2014-12-17 | 菲力克斯电子（宁波）有限公司 | Antenna and assembling method thereof |
| CN108448728A (en) * | 2018-04-23 | 2018-08-24 | 中山市福瑞特科技产业有限公司 | Current limliting arc quenching protection monitoring system |
| CN109768378A (en) * | 2019-03-18 | 2019-05-17 | 广东通宇通讯股份有限公司 | Wide band high-gain Dual polarization Yagi-Uda antenna |
| CN111384598A (en) * | 2018-12-27 | 2020-07-07 | 航天信息股份有限公司 | Yagi antenna |
-
2011
- 2011-08-17 CN CN 201120299808 patent/CN202196864U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104218299A (en) * | 2014-08-14 | 2014-12-17 | 菲力克斯电子（宁波）有限公司 | Antenna and assembling method thereof |
| CN108448728A (en) * | 2018-04-23 | 2018-08-24 | 中山市福瑞特科技产业有限公司 | Current limliting arc quenching protection monitoring system |
| CN111384598A (en) * | 2018-12-27 | 2020-07-07 | 航天信息股份有限公司 | Yagi antenna |
| CN109768378A (en) * | 2019-03-18 | 2019-05-17 | 广东通宇通讯股份有限公司 | Wide band high-gain Dual polarization Yagi-Uda antenna |
| CN109768378B (en) * | 2019-03-18 | 2024-01-05 | 广东通宇通讯股份有限公司 | Broadband high-gain dual-polarized yagi 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 |
Free format text: FORMER OWNER: REN GUANGSHENG Effective date: 20140721 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 528000 FOSHAN, GUANGDONG PROVINCE TO: 510000 FOSHAN, GUANGDONG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20140721 Address after: 510000 South Industry Zone, Sanshui District, Guangdong, Foshan Patentee after: SHD Communication Technology (Guangdong) Co., Ltd. Address before: 528000 South Industry Zone, Sanshui District, Guangdong, Foshan Patentee before: SHD Communication Technology (Guangdong) Co., Ltd. Patentee before: Ren Guangsheng |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120418 Termination date: 20180817 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |