CN2744002Y - Dual frequency omnidirectional indoor ceiling aerial - Google Patents
Dual frequency omnidirectional indoor ceiling aerial Download PDFInfo
- Publication number
- CN2744002Y CN2744002Y CN 200420097131 CN200420097131U CN2744002Y CN 2744002 Y CN2744002 Y CN 2744002Y CN 200420097131 CN200420097131 CN 200420097131 CN 200420097131 U CN200420097131 U CN 200420097131U CN 2744002 Y CN2744002 Y CN 2744002Y
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Abstract
The utility model discloses a dual frequency omnidirectional indoor ceiling aerial, characterized in that it comprises a low-frequency reflexion bottom panel (10) on which a low-frequency hypocone (4) is connected. The low-frequency hypocone (4) is connected with a low-frequency epicone (3) through a low-frequency connection strap (7). The low-frequency epicone (3) which is smaller than the low-frequency hypocone (4) is connected with a R deflector plate (2) and the inner conductor of a low frequency cable (11). The low-frequency hypocone (4) is connected with the outer conductor of the low frequency cable (11). The low-frequency reflexion bottom panel (10) is connected with a high-frequency reflexion bottom panel (15) through a bracing column (9). The high-frequency reflexion bottom panel (15) is connected with a high-frequency epicone (5) through a high frequency connecting piece (6). The high-frequency epicone (5) is connected with the inner conductor of a high-frequency cable (12) whose outer conductor is connected with the high-frequency reflexion bottom panel (15). The low frequency cable (11) and the high-frequency cable (12) are both connected with a cable joint (14). The utility model has the advantages of small in dimension, light in weight, convenient installation, reduction of interference among signals and enhancement of the communication service quality.
Description
(1) technical field: the utility model relates to a kind of antenna, relates in particular to the indoor ceiling mount antenna of a kind of double frequency omnibearing.
(2) background technology: along with the development of mobile communication business with popularize, the client is more and more diversified to the form of antenna requirements, what electromagnetic environment became becomes increasingly complex, phase mutual interference between the electromagnetism is increasing, for easy to use, saves cost, realize two or more functions with common antenna, it is little that interference between the electromagnetism is tried one's best, so multiport output will be arranged, certain isolation arranged between the port.To this antenna require radiation every degree than high, avoid or reduce interference between two wave bands to greatest extent, simultaneously, size is little, and is in light weight, is convenient to install, need low third order intermodulation, further reduce crosstalking between the signal, improve the quality of communication service.Delivery outlet of antenna of traditional dual-band antenna is finished double frequency function, though this antenna is simple in structure, cost is also cheaper, but two wave bands are exported from a port, two wave bands cannot be realized isolating, so the phase mutual interference between two wave bands is just bigger, higher third order intermodulation index communication service quality is relatively poor, does not satisfy new user's demand.
(3) summary of the invention: the purpose of this utility model is to overcome the deficiency of above-mentioned prior art and provides a kind of size little, and is in light weight, is convenient to install, and can reduce crosstalking between the signal, improves the indoor ceiling mount antenna of double frequency omnibearing of communication service quality.
The purpose of this utility model can reach by following measure: the indoor ceiling mount antenna of a kind of double frequency omnibearing, it is characterized in that it comprises bass reflex base plate 10, connect low frequency awl 4 down on the bass reflex base plate 10, low frequency awl 4 down connects low frequency epicone 3 by low frequency brace 7, low frequency epicone 3 is littler than the following awl of low frequency 4, low frequency epicone 3 connects R reflecting plate 2, low frequency epicone 3 connects the inner wire of low-frequency cable 11, low frequency is the outer conductor of awl 4 connection low-frequency cables 11 down, bass reflex base plate 10 connects high frequency reflected bottom plate 15 by support column 9, high frequency reflected bottom plate 15 connects high frequency epicone 5 by high frequency brace 6, high frequency epicone 5 connects the inner wire of high frequency cable 12, the outer conductor of high frequency cable 12 connects high frequency reflected bottom plate 15, low-frequency cable 11, high frequency cable 12 equal stube cable joints 14.
In order further to realize the purpose of this utility model, the height of described R reflecting plate 2 is greater than the height of low frequency epicone 3.
In order further to realize the purpose of this utility model, described bass reflex base plate 10, high frequency reflected bottom plate 15 are disc.
In order further to realize the purpose of this utility model, connect antenna cover 1 on the described bass reflex base plate 10.
In order further to realize the purpose of this utility model, described support column 9 is three.
In order further to realize the purpose of this utility model, described high frequency brace 6 symmetries be provided with two.
The utility model can produce following good effect compared with the prior art: the indoor ceiling mount antenna of broadband dual-frequency omnidirectional that the utility model provides, realize the two-band function than minor structure, the third order intermodulation index reaches the standard of base station, break the version of traditional dual-band antenna and do not solved the characteristics of third order intermodulation, reach two-band, broadband, volume is little, the requirement that isolation is good, and third order intermodulation reaches the requirement of antenna for base station, its basic structure is very simple, this antenna has good broadband character, and in 3: 1 band limits, its directional diagram and impedance operator change not obvious at least, omni-directional is good, and coverage effect is good.Two-band, broadband, volume is little, and the occasion that isolation is good all can use and adopt ceiling type to install, and is easy to use.
(4) description of drawings:
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the vertical view of Fig. 1.
(5) embodiment: preferred forms of the present utility model is elaborated below in conjunction with accompanying drawing:
Embodiment: the indoor ceiling mount antenna of a kind of double frequency omnibearing is (referring to Fig. 1; Fig. 2); it comprises bass reflex base plate 10; bass reflex base plate 10 is a disc; connect low frequency awl 4 down on the bass reflex base plate 10; low frequency awl 4 down connects low frequency epicone 3 by low frequency brace 7; low frequency epicone 3 is littler than the following awl of low frequency 4; low frequency epicone 3 connects R reflecting plate 2; the height of R reflecting plate 2 is a bit larger tham the height of low frequency epicone 3; low frequency epicone 3 connects the inner wire of low-frequency cable 11; low frequency is the outer conductor of awl 4 connection low-frequency cables 11 down; bass reflex base plate 10 connects high frequency reflected bottom plate 15 by three support columns 9; high frequency reflected bottom plate 15 is a disc; high frequency reflected bottom plate 15 connects high frequency epicone 5 by two high frequency braces 6 of symmetry; high frequency epicone 5 connects the inner wire of high frequency cable 12; the outer conductor of high frequency cable 12 connects high frequency reflected bottom plate 15; connect two set bolts 16 on the bass reflex base plate 10; 17; low-frequency cable 11 passes set bolt 16 stube cable joints 14; high frequency cable 12 passes set bolt 17 stube cable joints 14; all be connected a hold-down nut 13 on the set bolt 16 and 17; with fixing of convenient antenna; connect antenna cover 1 on the bass reflex base plate 10; the entire antenna cover is got up; form closed system; antenna element and feeding network and entire infrastructure spare that protection is inner, antenna cover 1 uses high-quality PVC materials processing to make.
The utility model adopts, and dish economic, reasonable, that have broadband character is bored oscillator, formation dish awl loudspeaker.High band is for falling discone antenna, and it is made of a high frequency reflected bottom plate 15 and a high frequency epicone 5, and two high frequency braces 6 are established in order to improve coupling.Its basic structure is simple, but this antenna has good broadband character again, and in 3: 1 band limits, its directional diagram and impedance operator change not obvious at least.Discone antenna has omni-directional directional diagram, radiation vertically polarized wave at horizontal plane (H face).Become inverted conical very big variation has just taken place: cone is interrupted, the high frequency epicone links to each other with the inner wire of high frequency cable, the high frequency reflected bottom plate links to each other with the outer conductor of high frequency cable, this makes conductive disc become the ground connection disk, because the high frequency epicone is main radiant body, its actual monopole that becomes a distortion, just become the unipole antenna on the reflecting disc on the whole, the size of reflecting disc is more much bigger than original conductive disc size, this is favourable to directional diagram, after becoming ceiling aerial, it is more reasonable that directional diagram covers.Low-frequency range is asymmetric biconical antenna, go up little, big down, the inner wire of low-frequency cable is connected with the low frequency epicone, and outer conductor is bored down with low frequency and is connected, and this antenna is the radiation vertically polarized wave naturally, be approximately a circle at H face (horizontal plane) directional diagram, be omnidirectional radiation, the not a half arc surface on the low frequency epicone is that the R reflecting plate is to isolate in order to improve cone height frequency range, and its height is a bit larger tham the height of low frequency epicone.
Height, low antenna departs from, and it is good more to depart from two-band isolation performance far away more, and high-end antenna is on low side, also be from far away more good more, if its co-axial alignment of low-and high-frequency antenna, high frequency is last, low frequency is down, this state, except that isolation reduced, other radiation characteristics and coupling all were good.To the realization of third order intermodulation, reduce contacting between metal and the metal as far as possible.
This structure can realize desired antenna technology index.Common antenna is to have two versions similar, and the size difference realizes double frequency function.
The utility model has utilized the broadband character of dish awl oscillator, and the coupling of antenna is adjusted in the change in the gap of cone and disk.The end 10 pairs of low frequency radiation bodies of frequency reflected bottom plate play the effect of reflecting plate, thereby improve antenna gain.High frequency reflected bottom plate 15 also plays the reflecting plate effect to the high frequency radiation body equally, and the while also is the effect that the ground plate of high frequency plays direct current ground.Height, the low side antenna departs from, and high-end antenna is on low side, to a certain degree avoid phase mutual interference between them, isolate so have between the low-and high-frequency preferably.Their feed structure is very simple, is that high-frequency structure or low frequency configuration all are directly to be connected with the dish awl with cable to finish current feed circuit.
Radiofrequency signal enters antenna feeding network respectively through cable joint 14, arrives radiant body by low-frequency cable 11 and high frequency cable 12 in network, and dish awl oscillator gives off frequency electromagnetic waves, sees through radome then and is radiated free space, forms antenna pattern.Because after signal radiation is gone out,,, be to have guaranteed the corresponding radiation characteristic of this double frequency omnibearing antenna so the directional diagram that radiate forms omnidirectional radiation because antenna radiator has omnidirectional's characteristic.
Claims (6)
1, the indoor ceiling mount antenna of a kind of double frequency omnibearing, it is characterized in that it comprises bass reflex base plate (10), bass reflex base plate (10) is gone up and is connected low frequency awl (4) down, low frequency awl (4) down connects low frequency epicone (3) by low frequency brace (7), low frequency epicone (3) is littler than the following awl of low frequency (4), low frequency epicone (3) connects R reflecting plate (2), low frequency epicone (3) connects the inner wire of low-frequency cable (11), low frequency is the outer conductor of awl (4) connection low-frequency cable (11) down, bass reflex base plate (10) connects high frequency reflected bottom plate (15) by support column (9), high frequency reflected bottom plate (15) connects high frequency epicone (5) by high frequency brace (6), high frequency epicone (5) connects the inner wire of high frequency cable (12), the outer conductor of high frequency cable (12) connects high frequency reflected bottom plate (15), low-frequency cable (11), high frequency cable (12) is stube cable joint (14) all.
2, the indoor ceiling mount antenna of a kind of double frequency omnibearing according to claim 1 is characterized in that the height of the height of described R reflecting plate (2) greater than low frequency epicone (3).
3, the indoor ceiling mount antenna of a kind of double frequency omnibearing according to claim 1 is characterized in that described bass reflex base plate (10), high frequency reflected bottom plate (15) are disc.
4, the indoor ceiling mount antenna of a kind of double frequency omnibearing according to claim 1 is characterized in that described bass reflex base plate (10) upward connects antenna cover (1).
5, the indoor ceiling mount antenna of a kind of double frequency omnibearing according to claim 1 is characterized in that described support column (9) is three.
6, the indoor ceiling mount antenna of a kind of double frequency omnibearing according to claim 1, what it is characterized in that described high frequency brace (6) symmetry is provided with two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420097131 CN2744002Y (en) | 2004-10-19 | 2004-10-19 | Dual frequency omnidirectional indoor ceiling aerial |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420097131 CN2744002Y (en) | 2004-10-19 | 2004-10-19 | Dual frequency omnidirectional indoor ceiling aerial |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2744002Y true CN2744002Y (en) | 2005-11-30 |
Family
ID=35634018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420097131 Expired - Fee Related CN2744002Y (en) | 2004-10-19 | 2004-10-19 | Dual frequency omnidirectional indoor ceiling aerial |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2744002Y (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101777704A (en) * | 2010-02-21 | 2010-07-14 | 摩比天线技术（深圳）有限公司 | Indoor omnidirectional antenna |
| CN101882710A (en) * | 2009-05-08 | 2010-11-10 | 思科技术公司 | Be used for connection for antennas operating on ground plane |
| CN1976120B (en) * | 2006-12-15 | 2011-04-27 | 陈晖� | Lamp lighting double-wideband omnidirectional ceiling lamp antenna |
| CN102664662A (en) * | 2012-04-27 | 2012-09-12 | 深圳光启创新技术有限公司 | Wireless mobile interconnect device with multi-antenna system |
| CN102820553A (en) * | 2012-07-31 | 2012-12-12 | 深圳光启创新技术有限公司 | Ceiling antenna |
| CN102832461A (en) * | 2012-07-31 | 2012-12-19 | 深圳光启创新技术有限公司 | Multi-antenna component |
| CN103107413A (en) * | 2013-01-15 | 2013-05-15 | 佛山市粤海信通讯有限公司 | Vertical polarization unit and dual polarization omnidirectional antenna |
| CN104885299A (en) * | 2012-10-30 | 2015-09-02 | 盖尔创尼克斯有限公司 | Compact, broadband, omnidirectional antenna for indoor/outdoor applications |
| CN112467346A (en) * | 2020-10-28 | 2021-03-09 | 武汉虹信科技发展有限责任公司 | Integrated dual-polarized ceiling antenna |
-
2004
- 2004-10-19 CN CN 200420097131 patent/CN2744002Y/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1976120B (en) * | 2006-12-15 | 2011-04-27 | 陈晖� | Lamp lighting double-wideband omnidirectional ceiling lamp antenna |
| CN101882710A (en) * | 2009-05-08 | 2010-11-10 | 思科技术公司 | Be used for connection for antennas operating on ground plane |
| CN101777704B (en) * | 2010-02-21 | 2013-02-06 | 摩比天线技术（深圳）有限公司 | Indoor omnidirectional antenna |
| CN101777704A (en) * | 2010-02-21 | 2010-07-14 | 摩比天线技术（深圳）有限公司 | Indoor omnidirectional antenna |
| CN102664662A (en) * | 2012-04-27 | 2012-09-12 | 深圳光启创新技术有限公司 | Wireless mobile interconnect device with multi-antenna system |
| CN102832461A (en) * | 2012-07-31 | 2012-12-19 | 深圳光启创新技术有限公司 | Multi-antenna component |
| CN102820553A (en) * | 2012-07-31 | 2012-12-12 | 深圳光启创新技术有限公司 | Ceiling antenna |
| CN102820553B (en) * | 2012-07-31 | 2015-02-04 | 深圳光启创新技术有限公司 | Ceiling antenna |
| CN102832461B (en) * | 2012-07-31 | 2015-04-15 | 深圳光启创新技术有限公司 | Multi-antenna component |
| CN104885299A (en) * | 2012-10-30 | 2015-09-02 | 盖尔创尼克斯有限公司 | Compact, broadband, omnidirectional antenna for indoor/outdoor applications |
| CN103107413A (en) * | 2013-01-15 | 2013-05-15 | 佛山市粤海信通讯有限公司 | Vertical polarization unit and dual polarization omnidirectional antenna |
| CN112467346A (en) * | 2020-10-28 | 2021-03-09 | 武汉虹信科技发展有限责任公司 | Integrated dual-polarized ceiling antenna |
| CN112467346B (en) * | 2020-10-28 | 2022-07-19 | 武汉虹信科技发展有限责任公司 | Integrated dual-polarized ceiling antenna |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |