CN201556703U - Wide-frequency omnidirectional ceiling antenna - Google Patents
Wide-frequency omnidirectional ceiling antenna Download PDFInfo
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- CN201556703U CN201556703U CN2009202022033U CN200920202203U CN201556703U CN 201556703 U CN201556703 U CN 201556703U CN 2009202022033 U CN2009202022033 U CN 2009202022033U CN 200920202203 U CN200920202203 U CN 200920202203U CN 201556703 U CN201556703 U CN 201556703U
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Abstract
The utility model relates to a wide-frequency omnidirectional ceiling antenna, which comprises a radiation body, a reflecting plate (1) and an antenna cover (2), wherein the radiation body consists of an upper vibrator (4) and a lower vibrator (5). The wide-frequency omnidirectional ceiling antenna is characterized in that the upper vibrator is a combination of a hemisphere (41) and a lower circular ring body (42) which are formed integrally, the lower circular ring body is located at an opening of the bottom portion of the hemisphere, a combination position of the hemisphere and the lower circular ring body is in smooth transition, the lower vibrator (5) is a combination of an inverted conical body (51) and an upper circular ring body (52) which are formed integrally, the upper circular ring body is located at an opening of the upper portion of the inverted conical body, a combination position of the inverted conical body and the upper circular ring body is in smooth transition, and the upper circular ring body and the inside of the lower circular ring body cling to each other and are fixed together. In the wide-frequency omnidirectional ceiling antenna, the upper vibrator and the lower vibrator can be engaged to each other tightly, the radiation body is fine in smoothness, and a connection form of the upper vibrator and the lower vibrator is simple.
Description
Technical field
The utility model relates to a kind of antenna, is specifically related to a kind of indoor wideband omni-directional ceiling suction antenna that is installed in.
Background technology
It is fewer that the ceiling mount antenna of prior art generally covers frequency range, complex structure, the deviation in roundness of vertical plane radiation patterns and relatively poor, the jitter of third order intermodulation index.
As a patent No. is a kind of Wide-frequency antenna on ceiling the Chinese utility model patent " Wide-frequency antenna on ceiling " of ZL200520062296.6 (notification number is CN2831461Y) has disclosed, comprise radiant body, base plate, radome, the top of preferred radiant body is the billiard table shape, the bottom is inverted cone-shaped, radiant body is preferably the metal radiant body, the bottom of radiant body closely is connected with the inner wire of the antenna terminal that passes base plate, radome covers the containing radiant body and is fixed on the base plate, and the top of radiant body is connected by welding manner with the bottom.
And for example a patent No. is that the Chinese utility model patent " Wide-frequency antenna on ceiling " of ZL200720195990.4 (notification number is CN201142357Y) has disclosed a kind of like this Wide-frequency antenna on ceiling, comprise radiant body and base plate, this radiant body comprises conduction inverted cone and conduction nappe, this conduction nappe covers the awl bottom opening place of this conduction inverted cone, establish opening on this conduction nappe, this radiant body is fixed on this base plate by connector by this opening.This conduction inverted cone bends out flanging in awl bottom opening place, and this flanging and this conduction nappe crimping are integral.Adopt following structure to connect between conduction inverted cone in this patent (also being down oscillator) and the conduction nappe (also calling oscillator), bend out flanging at the conduction inverted cone in awl bottom opening place, this flanging and this conduction nappe crimping are integral.
More than in two patents the junction between conduction inverted cone and the conduction nappe can not closely cooperate, the third order intermodulation index is relatively poor, and the junction can not be well-regulated seamlessly transitting, smoothness properties is relatively poor, radiant body can not be realized the purpose of good Frequency Response and wideband, can not guarantee that the voltage standing wave ratio of whole frequency, gain meet specification requirement.
In sum, the structure of aforementioned Wide-frequency antenna on ceiling and performance also can be further improved.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of can make oscillator and the close-fitting wideband omni-directional ceiling suction antenna of following oscillator at above-mentioned prior art present situation, it is good that it has a radiant body smoothness properties, and go up the simple advantage of connected mode between oscillator and the following oscillator.
The utility model solves the problems of the technologies described above the technical scheme that is adopted: a kind of wideband omni-directional ceiling suction antenna, comprise radiant body, reflecting plate, radome, the bottom of radiant body closely is connected with the inner wire of the cable that passes reflecting plate, described radome covers the containing radiant body and is fixed on the reflecting plate, and described radiant body is made up of last oscillator and following oscillator; It is characterized in that: hemisphere that described upward oscillator is formed in one and following toric zoarium, following torus is positioned at hemispheroidal bottom opening place, and hemisphere seamlessly transits with following toric junction; Inverted cone and last toric zoarium that described down oscillator is formed in one, last torus is positioned at the upper opening place of inverted cone, and inverted cone and last toric junction seamlessly transit; Described upward torus posts and fixes mutually with described torus down is in the same place.
The above-mentioned torus of going up is positioned at described torus down and applying, is riveted together by self-plugging rivet between last torus and the following torus.Can certainly be that down torus is positioned at torus and fits and fix, fixed form can be that to rivet also can be to weld.
Regular or random groove or through hole on the hemisphere of above-mentioned last oscillator.Help the voltage standing wave ratio index of control antenna like this, make it satisfy specification requirement.
Flow to according to CURRENT DISTRIBUTION: radially flow and concentrate near the edge of periphery of following oscillator of radiant body, still between above-mentioned radiant body outer surface and reflecting plate, also be connected with one or more along the equally distributed ground strip of circumference, this ground strip is the sheet metal of the quarter-wave length of high frequency, ground strip one end is riveted together by self-plugging rivet and following torus, and the other end of ground strip is riveted together by self-plugging rivet and reflecting plate.Ground strip mainly plays balanced feeding and fixation, adjusts voltage standing wave ratio, makes performance satisfy the technological development requirement.Certain above-mentioned ground strip also can adopt the mode and the reflecting plate of welding or descend torus to fix.
Above-mentioned cable is installed in the link that is assembled by installation swivel nut, installation nut, pressure welding case, insulator, Connection Block and connector, this link wears and is fixed on the reflecting plate, and wherein the inner wire of connector and cable welds together with the conical base of following oscillator.By regulating height, the position of ground strip and the size of reflecting plate of connector, make the voltage standing wave ratio of antenna meet specification requirement.
Compared with prior art, advantage of the present utility model is: the bottom of going up oscillator in this wideband omni-directional ceiling suction antenna has following torus, the top of following oscillator has last torus, be riveted together by self-plugging rivet between last torus and the following torus or be welded as together, oscillator and following oscillator are closely connected in the realization, with assurance third order intermodulation index (800MHz-4000MHz≤-107dBm) meet specification requirement; And the junction is well-regulated seamlessly transitting, and guarantees good smoothness properties, realizes the purpose (frequency: 800MHz-4000MHz), meet specification requirement with voltage standing wave ratio, the gain that guarantees whole frequency of good Frequency Response and wideband.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is a structural representation of going up oscillator among the utility model embodiment;
Fig. 3 is the structure cutaway view of following oscillator among the utility model embodiment.
Embodiment
Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.
As shown in Figure 1, 2, 3, be a preferred embodiment of the present utility model.
A kind of wideband omni-directional ceiling suction antenna, comprise radiant body, reflecting plate 1, radome 2, the bottom of radiant body closely is connected with the inner wire 31 of the cable 3 that passes reflecting plate, radome 2 covers the containing radiant body and is fixed on the reflecting plate 1, radome is made with polishing material, reflecting plate 1 also is referred to as matching disc or base plate, and reflecting plate 1 is regular or random metalwork, or the non-metal pieces of spray metal.
Radiant body is made up of last oscillator 4 and following oscillator 5.The hemisphere 41 that last oscillator 4 is formed in one and the zoarium of following torus 42, following torus 42 is positioned at the bottom opening place of hemisphere 41, regular or random groove 411 or through hole on the hemisphere 41, and the junction of hemisphere 41 and following torus 42 seamlessly transits; The inverted cone 51 that following oscillator 5 is formed in one and the zoarium of last torus 52, last torus 52 is positioned at the upper opening place of inverted cone 51, and the junction of inverted cone 51 and last torus 52 seamlessly transits; The aforementioned oscillator 4 of going up is the punching stretch technological forming with following oscillator 5; Last torus 52 is positioned at torus 42 and applying down, is riveted together by self-plugging rivet 6 between last torus 52 and the following torus 42, goes up torus 52 and following torus 42 certainly and also can weld together.
Therefore the global shape of radiant body is " gyroscope-like " in the present embodiment, makes the voltage standing wave ratio of whole frequency meet specification requirement, realizes good broadband properties.
In order to improve the radiation efficiency of antenna, also be connected with one or more between radiant body outer surface and the reflecting plate 1 along the equally distributed ground strip 7 of circumference, ground strip is the sheet metal of the quarter-wave length of high frequency, ground strip 7 one ends are riveted together by self-plugging rivet 6 and following torus 42, and the other end of ground strip 7 is riveted together by self-plugging rivet 6 and reflecting plate 1.
Cable 3 is installed in the link that is assembled by installation swivel nut 8, installation nut 9, pressure welding case 10, insulator 11, Connection Block 12 and connector 13, this link wears and is fixed on the reflecting plate 1, wherein the inner wire 31 of connector 13 and cable welds together by the conical base (radiant body distributing point) of hollow copper rivet with following oscillator 5, and the height of connector 13 is 1mm-10mm.Mounting structure is a prior art between this cable 3 and the reflecting plate 1.Insulator 11 plays a part to isolate cable netting twine and heart yearn, makes it be difficult for short circuit; Connection Block 12 plays fixation reflex plate 1 and polyphone cable; Connector 13 plays the regulation voltage standing-wave ratio.Be installed in for the ease of antenna on the ceiling of punching, reinstate the installation nut and install.
Claims (5)
1. wideband omni-directional ceiling suction antenna, comprise radiant body, reflecting plate (1), radome (2), the bottom of radiant body closely is connected with the inner wire (31) of the cable that passes reflecting plate (3), described radome (2) covers the containing radiant body and is fixed on the reflecting plate (1), and described radiant body is made up of last oscillator (4) and following oscillator (5); It is characterized in that: the hemisphere (41) that described upward oscillator (4) is formed in one and the zoarium of following torus (42), following torus (42) is positioned at the bottom opening place of hemisphere (41), and the junction of hemisphere (41) and following torus (42) seamlessly transits; The inverted cone (51) that described oscillator (5) down is formed in one and the zoarium of last torus (52), last torus (52) is positioned at the upper opening place of inverted cone (51), and the junction of inverted cone (51) and last torus (52) seamlessly transits; Described upward torus (52) and described torus (42) down post and fix together mutually.
2. wideband omni-directional ceiling suction antenna according to claim 1 is characterized in that: the described torus (52) of going up is positioned at described torus (42) down and applying, is riveted together by self-plugging rivet (6) between last torus (52) and the following torus (42).
3. wideband omni-directional ceiling suction antenna according to claim 1 is characterized in that: the described hemisphere (41) of going up oscillator is gone up regular or random groove (411) or through hole.
4. wideband omni-directional ceiling suction antenna according to claim 1, it is characterized in that: also be connected with one or more along the equally distributed ground strip of circumference (7) between described radiant body outer surface and the reflecting plate (1), these ground strip (7) one ends are riveted together by self-plugging rivet (6) and following torus (42), and the other end of ground strip (7) is riveted together by self-plugging rivet (6) and reflecting plate (1).
5. wideband omni-directional ceiling suction antenna according to claim 1, it is characterized in that: described cable (3) is installed in the link that is assembled by installation swivel nut (8), installation nut (9), pressure welding case (10), insulator (11), Connection Block (12) and connector (13), this link wears and is fixed on the reflecting plate (1), and wherein the inner wire (31) of connector (13) and cable welds together with the conical base of following oscillator (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202022033U CN201556703U (en) | 2009-12-09 | 2009-12-09 | Wide-frequency omnidirectional ceiling antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202022033U CN201556703U (en) | 2009-12-09 | 2009-12-09 | Wide-frequency omnidirectional ceiling antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201556703U true CN201556703U (en) | 2010-08-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202022033U Expired - Fee Related CN201556703U (en) | 2009-12-09 | 2009-12-09 | Wide-frequency omnidirectional ceiling antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201556703U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102437413A (en) * | 2011-08-03 | 2012-05-02 | 江苏联海通信技术有限公司 | 4G-oriented plastic ceiling antenna |
| CN103066377A (en) * | 2012-12-31 | 2013-04-24 | 佛山市粤海信通讯有限公司 | Radiating unit and broadband high-intermodulation omni-directional ceiling antenna |
| CN103187613A (en) * | 2012-07-18 | 2013-07-03 | 苏州市吴通天线有限公司 | Omnidirectional ceiling antenna integrated with building |
| CN103187619A (en) * | 2013-04-01 | 2013-07-03 | 金明涛 | Elliptical vibrator ultra-wide band antenna |
| CN103682679A (en) * | 2013-12-13 | 2014-03-26 | 京信通信系统（中国）有限公司 | Dual-polarization ceiling-mounted antenna |
| CN107611589A (en) * | 2017-09-29 | 2018-01-19 | 佛山市盛夫通信设备有限公司 | A kind of ultra wide band ceiling mount antenna |
| CN107611560A (en) * | 2017-08-30 | 2018-01-19 | 武汉虹信通信技术有限责任公司 | A kind of broadband low-intermodulation all-around top absorbing antenna |
| US10074909B2 (en) | 2015-07-21 | 2018-09-11 | Laird Technologies, Inc. | Omnidirectional single-input single-output multiband/broadband antennas |
-
2009
- 2009-12-09 CN CN2009202022033U patent/CN201556703U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102437413A (en) * | 2011-08-03 | 2012-05-02 | 江苏联海通信技术有限公司 | 4G-oriented plastic ceiling antenna |
| CN103187613A (en) * | 2012-07-18 | 2013-07-03 | 苏州市吴通天线有限公司 | Omnidirectional ceiling antenna integrated with building |
| CN103066377A (en) * | 2012-12-31 | 2013-04-24 | 佛山市粤海信通讯有限公司 | Radiating unit and broadband high-intermodulation omni-directional ceiling antenna |
| CN103187619A (en) * | 2013-04-01 | 2013-07-03 | 金明涛 | Elliptical vibrator ultra-wide band antenna |
| CN103682679A (en) * | 2013-12-13 | 2014-03-26 | 京信通信系统（中国）有限公司 | Dual-polarization ceiling-mounted antenna |
| US10074909B2 (en) | 2015-07-21 | 2018-09-11 | Laird Technologies, Inc. | Omnidirectional single-input single-output multiband/broadband antennas |
| CN107611560A (en) * | 2017-08-30 | 2018-01-19 | 武汉虹信通信技术有限责任公司 | A kind of broadband low-intermodulation all-around top absorbing antenna |
| CN107611589A (en) * | 2017-09-29 | 2018-01-19 | 佛山市盛夫通信设备有限公司 | A kind of ultra wide band ceiling mount antenna |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100818 Termination date: 20151209 |
|
| EXPY | Termination of patent right or utility model |