CN201408838Y - ceiling antenna - Google Patents
ceiling antenna Download PDFInfo
- Publication number
- CN201408838Y CN201408838Y CN200920131138XU CN200920131138U CN201408838Y CN 201408838 Y CN201408838 Y CN 201408838Y CN 200920131138X U CN200920131138X U CN 200920131138XU CN 200920131138 U CN200920131138 U CN 200920131138U CN 201408838 Y CN201408838 Y CN 201408838Y
- Authority
- CN
- China
- Prior art keywords
- base plate
- metal base
- ceiling mount
- mount antenna
- feeder pillar
- 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 - Fee Related
Links
- 239000002184 metal Substances 0.000 claims abstract description 50
- 238000002788 crimping Methods 0.000 claims description 3
- 239000004020 conductor Substances 0.000 abstract 1
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000002950 deficient Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000005404 monopole Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
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Abstract
The utility model is applied to the field of structural design of a ceiling antenna, and provides a ceiling antenna. The ceiling antenna comprises a radiating body, a metal bottom plate and a feeder pillar, wherein the radiating body is fixed on one side of the metal bottom plate through the feeder pillar, the other side of the metal bottom plate is fixedly connected with a joint coaxial with thefeeder pillar, an inner conductor penetrating through the metal bottom plate is arranged in the coaxial axle center of the joint and the feeder pillar, and the design ensures that the standing-wave ratio of the ceiling antenna is improved.
Description
Technical field
The utility model belongs to ceiling mount antenna structural design field, relates in particular to a kind of ceiling mount antenna.
Background technology
Ceiling mount antenna is a kind of as the mobile communication system antenna, is mainly used in indoor signal and covers.Shared in order to realize multiband, require ceiling mount antenna to have the frequency band range of broad.
The technology of present broadening ceiling mount antenna frequency band is to realize by the shape and size that change the ceiling mount antenna radiant body.The antenna radiator of the ceiling mount antenna that prior art provides adopts forms such as printed monopole, bicone in form in specific implementation, defective in the design makes that such antenna consistency on processability of product structure is poor, high band standing wave mis-behave is serious, can't realize allowing to be applicable to varying environment and index is constant, make that indoor coverage effect is inhomogeneous with a ceiling mount antenna.
The utility model content
The purpose of the utility model embodiment is to provide a kind of ceiling mount antenna, and the antenna radiator that is intended to solve the ceiling mount antenna that prior art provides is in the serious problem of high band standing wave mis-behave.
The utility model embodiment realizes like this, a kind of ceiling mount antenna, comprise radiant body, metal base plate and feeder pillar, described radiant body is fixed in a side of described metal base plate by described feeder pillar, the joint that the opposite side of described metal base plate fixedly connected is coaxial with described feeder pillar, the coaxial axle center of described joint and described feeder pillar are provided with an inner wire that passes described metal base plate.
In above-mentioned ceiling mount antenna, described radiant body is the metal radiant body, and its thickness is 0.5mm～1.0mm.
In above-mentioned ceiling mount antenna, described radiant body further comprises the inverted cone as oscillator under last oscillator frustum and the conduct, the lower surface of described frustum is fixedlyed connected with the bottom surface of described inverted cone, and a side of described metal base plate is fixed on the summit of described inverted cone by described feeder pillar.
Further, in above-mentioned ceiling mount antenna, the bottom surface crimping of the bottom surface of described frustum and described inverted cone.
In addition, in above-mentioned ceiling mount antenna, be fixedly connected with at least one ground strip between described frustum side surface and the described metal base plate.
In addition, in above-mentioned ceiling mount antenna, be fixedly connected with equally distributed three ground strips on same circumference between described frustum side surface and the described metal base plate, and an end of described ground strip is connected with described frustum side surface by pulling rivet, and the other end of described ground strip is fixed on the described metal base plate by pulling rivet.
Further, in above-mentioned ceiling mount antenna, the thickness of described ground strip is 0.5mm～1.5mm, and width is 3mm～10mm.
In above-mentioned ceiling mount antenna,, be fixedly connected with and cover the radome that contains described radiant body in a side of described metal base plate.
Further, in above-mentioned ceiling mount antenna, be fixedly connected with equally distributed three ground strips on same circumference between described radome and the described metal base plate.
In addition, in above-mentioned ceiling mount antenna, described radome to the outside total height of described metal base plate one side is 60mm～85mm.
Among the utility model embodiment, radiant body is fixed in a side of metal base plate by feeder pillar, the joint that the opposite side of metal base plate fixedly connected is coaxial with feeder pillar, joint is provided with the inner wire that passes metal base plate with the coaxial axle center of feeder pillar, and this kind design has improved the standing-wave ratio of ceiling mount antenna.
Description of drawings
Fig. 1 is ceiling mount antenna that the utility model embodiment the provides front view when removing radome;
Fig. 2 is the front view of the ceiling mount antenna that provides of the utility model embodiment.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer,, the utility model is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
Among the utility model embodiment, radiant body is fixed in a side of metal base plate by feeder pillar, the joint that the opposite side of metal base plate fixedly connected is coaxial with feeder pillar, joint is provided with the inner wire that passes metal base plate with the coaxial axle center of feeder pillar, and this kind design has improved the standing-wave ratio of ceiling mount antenna.
Fig. 1 is ceiling mount antenna that the utility model embodiment the provides front view when removing radome, for convenience of explanation, only shows the part relevant with the utility model embodiment.
The ceiling mount antenna that the utility model embodiment provides comprises radiant body 1, metal base plate 2, feeder pillar 3 and joint 4.Wherein, radiant body 1 comprises the inverted cone as oscillator under last oscillator frustum and the conduct, the bottom surface of frustum is fixedlyed connected with the bottom surface of inverted cone, particularly, the bottom surface crimping of the bottom surface of frustum and inverted cone, more specifically, the bottom surface of frustum is crimped on the underrun rolling of inverted cone.In addition, among the utility model embodiment, radiant body 1 is the metal radiant body, and its thickness is specially 0.5mm～1.0mm.
A side of metal base plate 2 is fixed in by feeder pillar 3 in the summit of inverted cone, and wherein, an end of feeder pillar 3 connects the summit of inverted cone, and the other end of feeder pillar 3 is fixed in a side of metal base plate 2 by insulating material.The joint 4 that the opposite side of metal base plate 2 fixedly connected one and feeder pillar 3 are coaxial, the coaxial axle center of joint 4 and feeder pillar 3 are provided with an inner wire that passes metal base plate 2.Feeder pillar 3 is set effectively improves the impedance operator of ceiling mount antenna, and then improve the standing-wave ratio of ceiling mount antenna.
Be fixedly connected with at least one ground strip 5 between frustum side surface and the metal base plate 2, among the utility model embodiment, be fixedly connected with equally distributed three ground strips on same circumference between frustum side surface and the metal base plate 2, and an end of ground strip is connected with the frustum side surface by pulling rivet, and the other end of ground strip is fixed on the metal base plate 2 by pulling rivet.The impedance matching that ground strip can improve low-frequency range is set, and the ground strip arrangement of aforesaid way is little to the influence of ceiling mount antenna horizontal plane direction circularity.Further, among the utility model embodiment, the thickness of ground strip 5 is 0.5mm～1.5mm, and width is 3mm～10mm, and its width value is narrower, can be so that ceiling mount antenna obtains better to transmit and receive effect.
Fig. 2 is the front view of the ceiling mount antenna that provides of the utility model embodiment, for convenience of explanation, only shows the part relevant with the utility model embodiment.
Wherein, in a side of metal base plate 2, be fixedly connected with and cover the radome 6 that contains radiant body 1, concrete, radome 6 to the outside total height of metal base plate 2 one sides is 60mm～85mm.In addition, between radome 6 and metal base plate 2, be fixedly connected with at least one ground strip 7, among the utility model embodiment, between radome 6 and metal base plate 2, be fixedly connected with equally distributed three ground strips on same circumference.
The ceiling mount antenna that the utility model embodiment provides can be operated in 800MHz～960MHz simultaneously, and in the two-band scope of 1710MHz～2500MHz, and voltage standing wave ratio is less than 1.4.
Among the utility model embodiment, radiant body is fixed in a side of metal base plate by feeder pillar, the joint that the opposite side of metal base plate fixedly connected is coaxial with feeder pillar, joint is provided with the inner wire that passes metal base plate with the coaxial axle center of feeder pillar, and this kind design has improved the standing-wave ratio of ceiling mount antenna; Have again, ground strip is set, improved the impedance matching of low-frequency range; Have, the width value of ground strip is narrower again, can be so that ceiling mount antenna obtains better to transmit and receive effect.
The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection range of the present utility model.
Claims (10)
1, a kind of ceiling mount antenna, comprise radiant body, metal base plate and feeder pillar, it is characterized in that, described radiant body is fixed in a side of described metal base plate by described feeder pillar, the joint that the opposite side of described metal base plate fixedly connected is coaxial with described feeder pillar, the coaxial axle center of described joint and described feeder pillar are provided with an inner wire that passes described metal base plate.
2, ceiling mount antenna as claimed in claim 1 is characterized in that, described radiant body is the metal radiant body, and its thickness is 0.5mm～1.0mm.
3, ceiling mount antenna as claimed in claim 1, it is characterized in that, described radiant body further comprises the inverted cone as oscillator under last oscillator frustum and the conduct, the lower surface of described frustum is fixedlyed connected with the bottom surface of described inverted cone, and a side of described metal base plate is fixed on the summit of described inverted cone by described feeder pillar.
4, ceiling mount antenna as claimed in claim 3 is characterized in that, the bottom surface crimping of the bottom surface of described frustum and described inverted cone.
5, ceiling mount antenna as claimed in claim 3 is characterized in that, is fixedly connected with at least one ground strip between described frustum side surface and the described metal base plate.
6, ceiling mount antenna as claimed in claim 3, it is characterized in that, be fixedly connected with equally distributed three ground strips on same circumference between described frustum side surface and the described metal base plate, and an end of described ground strip is connected with described frustum side surface by pulling rivet, and the other end of described ground strip is fixed on the described metal base plate by pulling rivet.
7, ceiling mount antenna as claimed in claim 6 is characterized in that, the thickness of described ground strip is 0.5mm～1.5mm, and width is 3mm～10mm.
8, as each described ceiling mount antenna of claim 1 to 7, it is characterized in that,, be fixedly connected with and cover the radome that contains described radiant body in a side of described metal base plate.
9, ceiling mount antenna as claimed in claim 8 is characterized in that, is fixedly connected with equally distributed three ground strips on same circumference between described radome and the described metal base plate.
10, ceiling mount antenna as claimed in claim 8 is characterized in that, described radome to the outside total height of described metal base plate one side is 60mm～85mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920131138XU CN201408838Y (en) | 2009-04-29 | 2009-04-29 | ceiling antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920131138XU CN201408838Y (en) | 2009-04-29 | 2009-04-29 | ceiling antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201408838Y true CN201408838Y (en) | 2010-02-17 |
Family
ID=41679785
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920131138XU Expired - Fee Related CN201408838Y (en) | 2009-04-29 | 2009-04-29 | ceiling antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201408838Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103117451A (en) * | 2013-03-04 | 2013-05-22 | 金明涛 | Ultra wide band antenna |
| CN109149079A (en) * | 2017-06-15 | 2019-01-04 | 广州中海达定位技术有限公司 | Ultra-wideband monopole antenna |
-
2009
- 2009-04-29 CN CN200920131138XU patent/CN201408838Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103117451A (en) * | 2013-03-04 | 2013-05-22 | 金明涛 | Ultra wide band antenna |
| CN109149079A (en) * | 2017-06-15 | 2019-01-04 | 广州中海达定位技术有限公司 | Ultra-wideband monopole antenna |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100217 Termination date: 20140429 |