CN205488566U - Biconical antenna's of ultra wide band qxcomm technology fixing device - Google Patents
Biconical antenna's of ultra wide band qxcomm technology fixing device Download PDFInfo
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- CN205488566U CN205488566U CN201620042109.6U CN201620042109U CN205488566U CN 205488566 U CN205488566 U CN 205488566U CN 201620042109 U CN201620042109 U CN 201620042109U CN 205488566 U CN205488566 U CN 205488566U
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Abstract
The utility model relates to a biconical antenna technical field, the utility model discloses a biconical antenna's of ultra wide band qxcomm technology fixing device, it specifically includes epicone, down awl and support ring, and the epicone is the cone with awl down, and the diameter is less in the cone be the vertex of a cone, and the diameter is great for the awl end, and the vertex of a cone of epicone and awl down is relative, and the support ring is fixed between the vertex of a cone that the epicone was bored under and, the support ring is hollow couple of cone structure. In this structure, all parts are round symmetrical structure, have guaranteed the omni -direction of H face directional diagram, and meanwhile, the support ring is hollow couple of cone structure, and are outstanding in the middle of promptly, dish that both ends reduce, and splice relatively the bottom surface that its appearance be two mutually unidimensional round platforms, and the interior angle design of dish makes the back wave on the rampart avoid presenting electric connector, can show the impedance mismatch who reduces by the support ring introduction.
Description
Technical field
This utility model relates to biconical antenna technology, the fixing device of a kind of ultra wideband omni-directional biconical antenna, it is possible to resolve the impedance mismatch problem that existing fixed structure brings.
Background technology
Biconical antenna is a kind of typical broad-band antenna, and in theory, the biconical antenna of endless has the bandwidth of operation without limit for width.In " research of unsymmetrical double-cone antenna radiation characteristics " (electronic measurement technique), designed antenna covers the frequency range of 240MHz to 2GHz, carries a width of 10:1.In " a kind of broadband biconical antenna " (CN 203300790 U), antenna frequencies scope is 800MHz to 3000MHz, carries a width of 3.75:1.
Biconical antenna is made up of two cones, and two cone axis collinear, the vertex of a cone is relative, leaves a small amount of space between the vertex of a cone.The signal of telecommunication is feed-in between the vertex of a cone, generation resonance between the upper and lower conical surface, thus outwards radiated electromagnetic wave.
In engineering, under conditions of the electrical property not affecting antenna, the position how fixing epicone and lower cone is a key issue.In patent CN 203300790 U, isolated by hollow cylinder medium between epicone and lower cone and fix, yet with blocking of hollow cylinder medium, making the electromagnetic wave of reflection directly feed back to radio frequency connector, cause impedance mismatching, bandwidth to narrow.If using several thin dielectric rod as supporting construction, although can reduce to block and improve impedance matching, but destroying the integrally-built circular symmetry of antenna, deteriorating the omni-directional of high band directional diagram.
Summary of the invention
There is the technical problem of impedance mismatching for fixing device of the prior art, the utility model discloses the fixing device of a kind of ultra wideband omni-directional biconical antenna.
In cone of the present utility model, diameter less for the vertex of a cone, be relatively large in diameter for the cone end.
The technical solution of the utility model is as follows
The utility model discloses the fixing device of a kind of ultra wideband omni-directional biconical antenna, it specifically includes epicone, lower cone and support ring, epicone and lower cone are cone, in cone diameter less for the vertex of a cone, be relatively large in diameter for cone the end, epicone is relative with the vertex of a cone of lower cone, and support ring is fixed between the vertex of a cone of epicone and lower cone, and described support ring is the Double cone structure of hollow.
Further, above-mentioned fixing device also includes two extension cone dishes, and the vertex of a cone of two extension cone dishes is flexibly connected with at the bottom of the cone of epicone and lower cone respectively.Screw such as can be used to connect, and the antenna of different operating frequency can change various sizes of extension cone dish, convenient realization.
Further, above-mentioned fixing device also includes radio frequency connector, described radio frequency connector includes medium inner core and metal inside, described medium inner core passes to the vertex of a cone from the bottom of the cone of lower cone, stretching out vertex of a cone length d, described metal inside passes to the cone end from the vertex of a cone of epicone, and the ring flange of adapter is fixing with lower cone to be connected, the metal inside passed is welded and fixed with epicone, and wherein d is the vertex of a cone spacing between upper and lower cone.Realize radio frequency by this structure to connect.
Further, the cone angle scope of above-mentioned upper and lower cone is 110 ° ~ 140 °.Cone angle opened with certain angle up and down so that antenna and air matched well.
Further, a diameter of 1.2mm ~ 2.5mm of the vertex of a cone of above-mentioned epicone, the vertex of a cone diameter 2.5mm ~ 3mm of lower cone, upper and lower cone vertex of a cone spacing is 0.5mm ~ 1.5mm.Described vertex of a cone diameter and vertex of a cone spacing take reduced size, make radio frequency connector inner core to vertex of a cone gentle transition, can improve the high-frequency resistance coupling of antenna.
Further, above-mentioned support ring material is nylon or politef or high density polyethylene (HDPE).There is the higher strength of materials and low-k, reduce reflection during wave transparent.
Further, above-mentioned extension cone dish profile is frustum, and one of them mesa diameter is identical with cone bottom diameter.Avoiding the surface current distortion discontinuously located, extension cone dish adds the electric size of antenna, to the bandwidth of operation of low frequency extended antenna.
Further, above-mentioned radio frequency connector is millimeter wave connector.Its working range is DC-40GHz.
By using above technical scheme, the beneficial effects of the utility model are: under conditions of not using loading, matching network and active circuit, this ultra wideband omni-directional biconical antenna high-frequency cut-off frequency is 40GHz, and low-frequency cut-off frequency extends downwards according to the size of extension cone dish.In the frequency range of 500MHz ~ 40GHz, standing wave is maintained at less than 2.5, and bandwidth reaches 80:1.All parts of antenna are round symmetrical structure, it is ensured that the omni-directional of H face directional diagram, and in the range of whole working frequency range, the fluctuating of H face directional diagram is less than 4dB.
Accompanying drawing explanation
Fig. 1 is epicone schematic diagram of the present utility model.
Fig. 2 is lower cone schematic diagram of the present utility model.
Fig. 3 is support ring schematic diagram of the present utility model.
Fig. 4 is cone dish schematic diagram of the present utility model.
Fig. 5 is installation diagram of the present utility model.
Detailed description of the invention
Below in conjunction with Figure of description, describe detailed description of the invention of the present utility model in detail.
The utility model discloses the fixing device of a kind of ultra wideband omni-directional biconical antenna, it specifically includes epicone, lower cone and support ring, epicone and lower cone are cone, in cone diameter less for the vertex of a cone, be relatively large in diameter for cone the end, epicone is relative with the vertex of a cone of lower cone, and support ring is fixed between the vertex of a cone of epicone and lower cone, and described support ring is the Double cone structure of hollow.In the structure shown here, all of parts are round symmetrical structure, ensure that the omni-directional of H face directional diagram, meanwhile, support ring is the Double cone structure of hollow, i.e. middle prominent, the dish that two ends reduce, its profile is that the bottom surface of the round platform of two same sizes is spliced relatively, and the interior angle design of dish makes the echo on ring wall avoid feed connector, can significantly reduce the impedance mismatching introduced by support ring.
As depicted in figs. 1 and 2, epicone 1 and lower cone 2 are cone, definition diameter less for the vertex of a cone, be relatively large in diameter for the cone end.The cone angle of epicone 1 is A, a diameter of a of the vertex of a cone, and the cone angle of lower cone 2 is B, a diameter of b of the vertex of a cone, and epicone 1 is identical with the cone bottom diameter of lower cone 2.
As it is shown on figure 3, support ring 3 is advanced low-k materials, such as support ring material is nylon or politef or high density polyethylene (HDPE), has the higher strength of materials and low-k, reduces reflection during wave transparent.Support ring 3 is the Double cone structure of hollow, and interior angle is C, and wall thickness is t, is adhesively fixed between the vertex of a cone of epicone 1 and lower cone 2, and the vertex of a cone spacing between cone is d up and down.
As shown in Figure 4, the cone angle of extension cone dish 4 is D, and its vertex of a cone diameter is identical with the cone bottom diameter of epicone 1；
As it is shown in figure 5, the vertex of a cone of two extension cone dishes 4 is fixed with being connected with screw at the bottom of the cone of epicone 1 and lower cone 2 respectively.Radio frequency connector model is 2.4-KFDS1, the medium inner core of adapter passes to the vertex of a cone from the bottom of the cone of lower cone 2, stretch out vertex of a cone length d, the metal inside of adapter passes to the cone end from the vertex of a cone of epicone 1, the ring flange of adapter is screwed with lower cone 2, the metal inside passed is welded and fixed with upper vertebra 1, it is achieved radio frequency connects.
nullCone angle A is in the range of 110 ° ~ 140 °，Cone angle B is in the range of 110 ° ~ 140 °，Epicone vertex of a cone diameter a is in the range of 1.2mm ~ 2.5mm，Lower cone vertex of a cone diameter b is in the range of 2.5mm ~ 3mm，Vertex of a cone spacing d is in the range of 0.5mm ~ 1.5mm，Support ring interior angle C is in the range of 60 ° ~ 80 °，Wall thickness t is in the range of 2.5mm ~ 4mm，Extension cone discone angle D is in the range of 110 ° ~ 140 °，In this embodiment，Epicone cone angle A is 130 °，Lower cone cone angle B is 130 °，Epicone vertex of a cone diameter a is 1.4mm，Lower cone vertex of a cone diameter b is 3mm，Vertex of a cone spacing d is 0.8mm，Support ring interior angle C is 70 °，Wall thickness t is 3.5mm，Extension cone discone angle D is 130 °，Can also be other values in the range of this，If epicone cone angle A、Epicone vertex of a cone diameter a、Lower cone cone angle B、Lower cone vertex of a cone diameter b、Vertex of a cone spacing d、Support ring interior angle C、Wall thickness t and extension cone discone angle D is in this numerical range，Belong to the protection domain of this utility model.
The coefficient gone out given in the above embodiments and parameter; it is available to those skilled in the art realize or use utility model; utility model does not limit and only takes aforementioned disclosed numerical value; in the case of without departing from the thought of utility model; above-described embodiment can be made various modifications or adjustment by those skilled in the art; thus the protection domain of utility model is not limited by above-described embodiment, and should be the maximum magnitude meeting the inventive features that claims are mentioned.
Claims (8)
1.A kind of fixing device of ultra wideband omni-directional biconical antenna, it is characterized in that specifically including epicone, lower cone and support ring, epicone and lower cone are cone, in cone diameter less for the vertex of a cone, be relatively large in diameter for cone the end, epicone is relative with the vertex of a cone of lower cone, and support ring is fixed between the vertex of a cone of epicone and lower cone, and described support ring is the Double cone structure of hollow.
2.Such as right The fixing device of requirement ultra wideband omni-directional biconical antenna described in 1, it is characterised in that described fixing device also includes two extension cone dishes, the vertex of a cones of two extension cone dishes are flexibly connected with at the bottom of the cone of epicone and lower cone respectively.
3.Such as right The fixing device of requirement ultra wideband omni-directional biconical antenna described in 1, it is characterized in that described fixing device also includes radio frequency connector, described radio frequency connector includes medium inner core and metal inside, described medium inner core passes to the vertex of a cone from the bottom of the cone of lower cone, stretching out vertex of a cone length d, described metal inside passes to the cone end from the vertex of a cone of epicone, and the ring flange of adapter is fixing with lower cone to be connected, the metal inside passed is welded and fixed with upper vertebra, and wherein d is the vertex of a cone spacing between upper and lower cone.
4.Such as right The fixing device of requirement ultra wideband omni-directional biconical antenna described in 1, it is characterised in that the cone angle scope of described upper and lower cone is 110 ° ~ 140 °.
5.Such as right The fixing device of requirement ultra wideband omni-directional biconical antenna described in 1, it is characterised in that a diameter of 1.2mm ~ 2.5mm of the vertex of a cone of described epicone, the vertex of a cone diameter 2.5mm ~ 3mm of lower cone, upper and lower cone vertex of a cone spacing is 0.5mm ~ 1.5mm.
6.Such as right Require the fixing device of ultra wideband omni-directional biconical antenna described in 1, it is characterised in that described support ring material is nylon or politef or high density polyethylene (HDPE).
7.Such as right The fixing device of requirement ultra wideband omni-directional biconical antenna described in 2, it is characterised in that described extension cone dish profile is frustum, and one of them mesa diameter is identical with cone bottom diameter.
8.Such as right The fixing device of requirement ultra wideband omni-directional biconical antenna described in 3, it is characterised in that described radio frequency connector is millimeter wave connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620042109.6U CN205488566U (en) | 2016-01-18 | 2016-01-18 | Biconical antenna's of ultra wide band qxcomm technology fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620042109.6U CN205488566U (en) | 2016-01-18 | 2016-01-18 | Biconical antenna's of ultra wide band qxcomm technology fixing device |
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| CN205488566U true CN205488566U (en) | 2016-08-17 |
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| CN201620042109.6U Active CN205488566U (en) | 2016-01-18 | 2016-01-18 | Biconical antenna's of ultra wide band qxcomm technology fixing device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107039740A (en) * | 2017-01-12 | 2017-08-11 | 成都天锐通科技有限公司 | 80MHz ~ 2GHz omnidirectional antennas |
| CN114883789A (en) * | 2022-05-18 | 2022-08-09 | 陕西华达科技股份有限公司 | Novel integrated biconical antenna |
-
2016
- 2016-01-18 CN CN201620042109.6U patent/CN205488566U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107039740A (en) * | 2017-01-12 | 2017-08-11 | 成都天锐通科技有限公司 | 80MHz ~ 2GHz omnidirectional antennas |
| CN114883789A (en) * | 2022-05-18 | 2022-08-09 | 陕西华达科技股份有限公司 | Novel integrated biconical antenna |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |