CN201812930U - Dual wideband omnidirectional ceiling-mounted antenna - Google Patents
Dual wideband omnidirectional ceiling-mounted antenna Download PDFInfo
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- CN201812930U CN201812930U CN 201020211598 CN201020211598U CN201812930U CN 201812930 U CN201812930 U CN 201812930U CN 201020211598 CN201020211598 CN 201020211598 CN 201020211598 U CN201020211598 U CN 201020211598U CN 201812930 U CN201812930 U CN 201812930U
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- radiating doublet
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- base plate
- coaxial cable
- wideband omnidirectional
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- 230000009977 dual effect Effects 0.000 title abstract 3
- 230000008878 coupling Effects 0.000 claims abstract description 12
- 238000010168 coupling process Methods 0.000 claims abstract description 12
- 238000005859 coupling reaction Methods 0.000 claims abstract description 12
- 239000004020 conductor Substances 0.000 claims abstract description 6
- 239000000758 substrate Substances 0.000 claims abstract description 4
- 238000010276 construction Methods 0.000 claims description 13
- 241000272814 Anser sp. Species 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 238000009413 insulation Methods 0.000 claims description 3
- 230000005855 radiation Effects 0.000 abstract description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000002349 favourable effect Effects 0.000 abstract 1
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
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- 230000001788 irregular Effects 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
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Abstract
The utility model relates to a dual wideband omnidirectional ceiling-mounted antenna, which comprises a radiation vibration plate, a base plate and an antenna hood, wherein a radiation vibration is arranged on the radiation vibration plate and connected with an inner conductor of a coaxial cable, and comprises a guide strip with a specified shape on a microstrip line structural plate; the microstrip line structural plate comprises an insulating substrate and the guide strip with the specified shape; the guide strip is electrically connected with the inner conductor of the coaxial cable at the bottom; the guide trip with the specified shape is used as the radiation vibrator; the radiation vibration plate is further provided with a coupling structure; and the radiation vibrator is electrically connected with the inner conductor of the coaxial cable through the coupling structure. The dual wideband omnidirectional ceiling-mounted antenna is convenient for production and manufacture; and the radiation vibrator has favorable index consistency, the input impedance is easy to adjust, the non-circularity of the antenna is improved and the anti-jamming capability of the antenna is enhanced.
Description
Technical field
The utility model relates to a kind of ceiling mount antenna, refers to that especially a kind of radiating doublet adopts the double-wideband omnidirectional ceiling mount antenna of the conduction band structure of microstrip line.
Background technology
Domestic aerial is the critical component of mobile communication indoor covering system, has broad application prospects.Ceiling mount antenna is exactly wherein a kind of.Ceiling mount antenna generally includes coaxial cable and antenna body; antenna body comprises radome; base plate and radiating doublet; base plate is fixedlyed connected the formation enclosure space with ccontaining protection radiating doublet with radome; coaxial cable and radiating doublet electrically connect; signal of base station is incorporated into the radiation that increases indoor signal on the radiating doublet; wherein the size of radiating doublet and performance are the keys of the indoor ceiling mount antenna quality of influence; generally indoor ceiling mount antenna is small-sized; in order to satisfy instructions for use; in the design process of indoor ceiling mount antenna; engineers and technicians can make full use of antenna broadband theory; constantly debug and test to optimize the shape of radiating doublet by using network analyzer; radiating doublet commonly used in the indoor ceiling mount antenna has cone-shaped radiating doublet usually; cone adds spherical crown shape radiating doublet and radiating doublet etc.; experiment shows; the quality of radiating doublet performance and radiating doublet shape have substantial connection; therefore the technical staff can design the radiating doublet of different shape and carry out test adjustment usually by cad tools; in the hope of reaching optimum efficiency; promptly in the wideest working band, obtain high standing-wave ratio; in view of electromagnetic characteristics of signals; the radiating doublet that satisfies optimum signal quality often has irregular structure and shape; concerning the radiating doublet that common sheet metal processes at present; it is complicated that the radiating doublet die sinking of performance requirement is satisfied in manufacturing; and cost is higher; and because the limitation of mechanical processing technique causes consistency relatively poor; efficiency of assembling is low, and then influences the stable of product quality.
The utility model content
Technical purpose of the present utility model is for the double-wideband omnidirectional ceiling mount antenna of a kind of broadband, low standing wave, highly low and then aesthetic in appearance, suitable indoor installation is provided.
Of the present utility model pair of broadband all-around top absorbing antenna, include the radiating doublet plate, the base plate that is mutually permanently connected with the radiating doublet plate and interfix to be covered with the radome of radiating doublet plate with base plate, the radiating doublet plate is provided with radiating doublet, radiating doublet is connected with the inner wire of coaxial cable, this radiating doublet is to be formed by the conduction band that has given shape on the microstrip line construction plate, this microstrip line construction plate comprises the substrate of insulation and has the conduction band of given shape, this conduction band with given shape is as radiating doublet, and this conduction band electrically connects at the inner wire of bottom and coaxial cable.
Above-mentioned radiating doublet plate also is provided with coupled structure, this radiating doublet is connected with the inner wire of coaxial cable by this coupled structure, this coupled structure includes the coupling piece of a metal that intercouples with this radiating doublet in this radiating doublet bottom, and the inner wire of this coupling piece and coaxial cable electrically connects.
The plane geometric shape of above-mentioned conduction band as radiating doublet, it is tangent and acutangulate the extension straight line of angle with this geometric circular along two to be a geometric circular, extend the shape of the formed almost fan of certain-length laterally, at the middle part of this plane geometric shape conduction band, have that an edge " m " tee section runs through this conduction band and the wild goose shape groove that forms.
The two above-mentioned angular ranges that extend the radian angle between the straight line are 65 °-150 °, and this geometric circular edge and two ultimate ranges of extending the straight-line intersection place are less than 120mm, and the diameter of this geometric circular is for being not more than 120mm.
This double-wideband omnidirectional ceiling mount antenna also includes an end and is provided with flange, the centre have manhole screw rod and with this screw rod nut engaged cover, hollow base plate center protrude laterally and be formed with circular counterbore groove, the center position of this counterbore groove is provided with circular fixing hole, screw rod passes this fixing hole and flange is located in the counterbore groove, nut sleeve cooperatively interacts with screw rod and then fixedlys connected with base plate, coaxial cable is arranged in the centre bore of screw rod, the coupling piece and the inner conductor that are coupled with radiating doublet electrically connect, this bolt can effectively be regulated the Antenna Impedance Matching characteristic, makes antenna present lower standing-wave ratio in whole frequency band.
The thickness of above-mentioned radiating doublet plate is between 0.6mm-1.2mm.
On this base plate, be fixed with two fixed blocks that are used for fixing the microstrip line construction plate, this two fixed block is provided with relative draw-in groove, this two draw-in groove is fixedlyed connected along the symmetrical distribution of base plate geometric center and with backplate surface, and these microstrip line construction plate both sides are arranged in the draw-in groove also fixedly connected.
Above-mentioned radome is a hemispherical dome structure, and the radome and the base plate of hemispherical dome structure are mutually permanently connected.
Beneficial effect: double-wideband omnidirectional ceiling mount antenna of the present utility model, because radiating doublet is made of the conduction band of microstrip line construction, therefore be convenient to produce and make, problems such as traditional radiating doublet indicator consilience is poor, processing is difficult admittedly, cost is high, assembling complexity have been solved, the shape of being convenient to adjust the radiating doublet plate makes full use of the space in the radome, increase the swept area of antenna as far as possible, improved the gain of low frequency end, simultaneously broadening the impedance bandwidth of antenna; Because the inner wire of radiating doublet and coaxial cable has adopted the connected mode of coupling feed, therefore adjust input impedance easily, and improved the deviation in roundness of antenna, oscillator is designed to the structure of geometric circular and taper combination, the grading structure of tapering part can improve the impedance operator of antenna greatly, with the broadening bandwidth, and form the wild goose shape groove structure of " m " shape at radiating doublet 10 middle parts, then can make antenna have good trap function, suppress unwanted working frequency range between the height frequency range, improve the antijamming capability of antenna, can also improve the standing wave performance of high-end frequency range, improved the radiation characteristic of antenna, radome design becomes conisphere shape, also make antenna more attractive in appearance, this double-wideband omnidirectional ceiling mount antenna can be operated in 800MHz-960MHz and the 1710MHz-2500MHz frequency band simultaneously, its voltage standing wave ratio＜1.4.
For ease of explanation detailed content and the technology relevant, below describe with regard to conjunction with figs. now with the utility model.
Description of drawings
Fig. 1, be the schematic perspective view that the utility model radiating doublet plate combines with base plate;
Fig. 2, be the stereogram after the utility model combination;
Fig. 3, the view that hardens and close for the utility model base plate and radiating doublet;
Fig. 4, be the structure cutaway view at the bottom of the utility model.
Embodiment
Please refer to Fig. 1, Fig. 2, Fig. 3 and shown in Figure 4, a kind of specific embodiment for double-wideband omnidirectional ceiling mount antenna of the present utility model, this double-wideband omnidirectional ceiling mount antenna includes radiating doublet plate 1, the base plate 3 that is mutually permanently connected with radiating doublet plate 1 and interfix with the radome 6 that is covered with radiating doublet plate 1 with base plate 3, radiating doublet plate 1 is provided with radiating doublet 10, this radiating doublet 10 is connected with the inner wire 9 of coaxial cable, this radiating doublet 10 is to be formed by the conduction band that has given shape on the microstrip line construction plate, this microstrip line construction plate comprises the substrate of insulation and has the conduction band of given shape, this conduction band is connected with the inner wire of coaxial cable in the bottom, this ground plate and base plate electrically connect, this conduction band with given shape is as radiating doublet, in the present embodiment, this radiating doublet 10 is provided with coupled structure, and be connected with the inner wire 9 of coaxial cable by this coupled structure, this coupled structure includes the coupling piece 11 of a metal that intercouples at these radiating doublet 10 bottoms and this radiating doublet 10, and this coupling piece 11 electrically connects with the inner wire 9 of coaxial cable.
In the present embodiment, the plane geometric shape of the conduction band of radiating doublet 10, it is tangent and acutangulate the extension straight line of angle with this geometric circular along two to be a geometric circular, extend the shape of the formed almost fan of certain-length laterally, middle part at this plane geometric shape conduction band, have that an edge " m " tee section runs through this conduction band and the wild goose shape groove 12 that forms, in order to reach best signal effect, be necessary comprehensively to limit for the size of above-mentioned plane geometric shape, this two angular range that extends the radian angle between the straight line is 65 °-150 °, this geometric circular edge and two extends the ultimate range at straight-line intersection place less than 120mm, the diameter of this geometric circular is for being not more than 120mm, and the thickness of this radiating doublet plate 1 is between 0.6mm-1.2mm.
Further, this double-wideband omnidirectional ceiling mount antenna also includes an end and is provided with flange, the centre has the screw rod 5 of manhole and overlaps 4 with this screw rod nut engaged, hollow base plate 3 centers protrude laterally and be formed with circular counterbore groove, the center position of this counterbore groove is provided with circular fixing hole, screw rod 5 passes this fixing hole and flange is located in the counterbore groove, nut sleeve 4 cooperatively interacts with screw rod 5 and then fixedlys connected with base plate 3, coaxial cable is arranged in the centre bore of screw rod 5, and the coupling piece 11 that is coupled with this radiating doublet 10 electrically connects with inner conductor 9; This bolt can effectively be regulated the Antenna Impedance Matching characteristic, makes antenna present lower standing-wave ratio in whole frequency band.
Further, on this base plate 3, be fixed with two fixed blocks that are used for fixing the microstrip line construction plate, this two fixed block is provided with relative draw-in groove, this two draw-in groove is fixedlyed connected along the symmetrical distribution of base plate 3 geometric centers and with base plate 3 surfaces, and these microstrip line construction plate both sides are arranged in the draw-in groove 2 also fixedly connected.
Further, this radome 6 is a hemispherical dome structure, and the radome 6 and the base plate 3 of hemispherical dome structure are mutually permanently connected.
Claims (7)
1. double-wideband omnidirectional ceiling mount antenna, include radiating doublet plate (1), the base plate (3) that is mutually permanently connected with radiating doublet plate (1) and interfix with the radome (6) that is covered with radiating doublet plate (1) with base plate (3), radiating doublet plate (1) is provided with radiating doublet, radiating doublet (10) is connected with the inner wire (9) of coaxial cable, it is characterized in that: this radiating doublet (10) is to be formed by the conduction band on the microstrip line construction plate, this microstrip line construction plate comprises the substrate and the conduction band of insulation, this conduction band electrically connects at the inner wire (9) of bottom and coaxial cable, this conduction band is radiating doublet (10), this is as the plane geometric shape of the conduction band of radiating doublet (10), it is tangent and acutangulate the extension straight line of angle with this geometric circular along two to be a geometric circular, extend the shape of the formed almost fan of certain-length laterally, at the middle part of this plane geometric shape conduction band, have that an edge " m " tee section runs through this conduction band and the wild goose shape groove (12) that forms.
2. double-wideband omnidirectional ceiling mount antenna according to claim 1, it is characterized in that: described radiating doublet plate (1) also is provided with coupled structure, radiating doublet (10) is connected with the inner wire (9) of coaxial cable by this coupled structure, this coupled structure includes the coupling piece (11) of a metal that intercouples with this radiating doublet (10) in this radiating doublet (10) bottom, and this coupling piece (11) electrically connects with the inner wire (9) of coaxial cable.
3. double-wideband omnidirectional ceiling mount antenna according to claim 1, it is characterized in that: described two angular ranges that extend the radian angle between the straight line are 65 °-150 °, this geometric circular edge and two ultimate ranges of extending the straight-line intersection place are less than 120mm, and the diameter of this geometric circular is for being not more than 120mm.
4. double-wideband omnidirectional ceiling mount antenna according to claim 1, it is characterized in that: this double-wideband omnidirectional ceiling mount antenna also includes an end and is provided with flange, the centre have manhole screw rod (5) and with this screw rod nut engaged cover (4), hollow base plate 3 centers protrude laterally and be formed with circular counterbore groove, the center position of this counterbore groove is provided with circular fixing hole, screw rod (5) passes this fixing hole and flange is located in the counterbore groove, nut sleeve (4) cooperatively interacts with screw rod (5) and then fixedlys connected with base plate (3), coaxial cable is arranged in the centre bore of screw rod (5), and the coupling piece (11) that is coupled with radiating doublet (10) electrically connects with inner conductor (9).
5. double-wideband omnidirectional ceiling mount antenna according to claim 1 is characterized in that: as the thickness of radiating doublet plate (1) between 0.6mm-1.2mm.
6. according to the described double-wideband omnidirectional ceiling mount antenna of claim 1, it is characterized in that: on this base plate (3), be fixed with two fixed blocks that are used for fixing the microstrip line construction plate, this two fixed block is provided with relative draw-in groove, this two draw-in groove is fixedlyed connected along the symmetrical distribution of base plate (3) geometric center and with base plate (3) surface, and these microstrip line construction plate both sides are arranged in the draw-in groove (2) also fixedly connected.
7. according to the described double-wideband omnidirectional ceiling mount antenna of claim 1, it is characterized in that: described radome (6) is a hemispherical dome structure, and the radome of this hemispherical dome structure (6) is mutually permanently connected with base plate (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020211598 CN201812930U (en) | 2010-05-25 | 2010-05-25 | Dual wideband omnidirectional ceiling-mounted antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020211598 CN201812930U (en) | 2010-05-25 | 2010-05-25 | Dual wideband omnidirectional ceiling-mounted antenna |
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| Publication Number | Publication Date |
|---|---|
| CN201812930U true CN201812930U (en) | 2011-04-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201020211598 Expired - Fee Related CN201812930U (en) | 2010-05-25 | 2010-05-25 | Dual wideband omnidirectional ceiling-mounted antenna |
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| CN (1) | CN201812930U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103151605A (en) * | 2012-03-31 | 2013-06-12 | 深圳光启创新技术有限公司 | Wireless fidelity (Wi-Fi) ceiling mounted antenna device |
| CN103311639A (en) * | 2012-03-06 | 2013-09-18 | 香港城市大学 | Aesthetic dielectric antenna and method for discretely radiating radiation patterns using same |
| CN103762419A (en) * | 2014-01-24 | 2014-04-30 | 南京邮电大学 | Dual-frequency wide-band antenna for ubiquitous wireless communication nodes |
| CN106129599A (en) * | 2016-08-23 | 2016-11-16 | 佛山市三水区冠华通讯设备厂 | A kind of Novel radiation oscillator and consisting of ceiling mount antenna |
| US20240222854A1 (en) * | 2021-12-23 | 2024-07-04 | Beijing Boe Sensor Technology Co., Ltd. | Ceiling antenna |
-
2010
- 2010-05-25 CN CN 201020211598 patent/CN201812930U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103311639A (en) * | 2012-03-06 | 2013-09-18 | 香港城市大学 | Aesthetic dielectric antenna and method for discretely radiating radiation patterns using same |
| CN103311639B (en) * | 2012-03-06 | 2016-07-06 | 香港城市大学 | Aesthetic dielectric antenna and method for discretely transmitting radiation patterns using the antenna |
| CN103151605A (en) * | 2012-03-31 | 2013-06-12 | 深圳光启创新技术有限公司 | Wireless fidelity (Wi-Fi) ceiling mounted antenna device |
| CN103151605B (en) * | 2012-03-31 | 2015-06-17 | 深圳光启创新技术有限公司 | Wireless fidelity (Wi-Fi) ceiling mounted antenna device |
| CN103762419A (en) * | 2014-01-24 | 2014-04-30 | 南京邮电大学 | Dual-frequency wide-band antenna for ubiquitous wireless communication nodes |
| CN106129599A (en) * | 2016-08-23 | 2016-11-16 | 佛山市三水区冠华通讯设备厂 | A kind of Novel radiation oscillator and consisting of ceiling mount antenna |
| CN106129599B (en) * | 2016-08-23 | 2020-10-16 | 佛山市三水区冠华通讯设备厂 | Novel radiation oscillator and ceiling antenna comprising same |
| US20240222854A1 (en) * | 2021-12-23 | 2024-07-04 | Beijing Boe Sensor Technology Co., Ltd. | Ceiling antenna |
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Legal Events
| Date | Code | Title | Description |
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| 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: 20110427 Termination date: 20120525 |