CN205406715U - Broadband antenna who possesses wide band characteristic - Google Patents
Broadband antenna who possesses wide band characteristic Download PDFInfo
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- CN205406715U CN205406715U CN201620165233.1U CN201620165233U CN205406715U CN 205406715 U CN205406715 U CN 205406715U CN 201620165233 U CN201620165233 U CN 201620165233U CN 205406715 U CN205406715 U CN 205406715U
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- dipole antenna
- antenna oscillator
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Abstract
A broadband antenna who possesses wide band characteristic, including a dipole antenna oscillator, the 2nd dipole antenna oscillator and electrically conductive spliced pole, two first radiating surfaces of a dipole antenna oscillator are expanded to a dipole antenna oscillator both sides wing in the middle of a dipole antenna oscillator respectively, be the feed port between two first radiating surfaces of a dipole antenna oscillator, two second radiating surfaces of the 2nd dipole antenna oscillator are expanded to the 2nd dipole antenna oscillator both sides wing in the middle of the 2nd dipole antenna oscillator respectively, a dipole antenna oscillator, the 2nd dipole antenna oscillator certain distance parallel placement of being separated by is connected through electrically conductive spliced pole between the radiating surface of the two opposite face. Use above -mentioned scheme to make the antenna obtain higher bandwidth, the antenna element adopts dipole antenna simultaneously for the omni -direction of antenna can obtain guaranteeing.
Description
Technical field
This utility model relates to communication technical field, particularly relates to a kind of broad-band antenna possessing broadband properties.
Background technology
Along with the continuous appearance of new technique, antenna communication system is more and more higher for the requirement of volume of transmitted data and message transmission rate, and as the terminal unit in wireless communication system, the performance of antenna is directly connected to the communication quality of whole communication system.Fast-developing and the various new material of super large-scale integration and microwave integrated circuit technology and the application of new technology make the performance of communication apparatus and outward appearance technique reach a new high degree, and increasing communication apparatus needs antenna is integrated in device interior.Simultaneously along with the continuous evolution of 4G technology, air interface synchronization technology requires that the antenna of communication apparatus must simultaneously support 2G, 3G and 4G frequency range.
The technology realizing broadband character antenna at present mainly has: adopt the antenna structure unrelated with frequency, antenna loading technology, radiating surface fluting and the overlapping technology of resonance etc..The antenna structure unrelated with frequency typically has log-periodic antenna and electromagnetic horn, its gain is high, bandwidth, simple in construction, but this physical dimension is bigger than normal, it is unfavorable for being internally integrated, it is impossible to meet the miniaturization of built-in aerial and requirement easy of integration, is therefore difficult to be applied in the communication product needing built-in antenna.And although antenna loading technology, radiating surface fluting and the overlapping technology of resonance meet small form factor requirements, but because it is substantially the directional radiation antenna adopting monopole radiating doublet, its angle of coverage is less, and its requirement on machining accuracy is bigger, so the more difficult ultra broadband meeting current communication system requirement, omni-directional, miniaturization, the requirement of low cost.
Therefore, antenna miniaturization and broadband properties are the trend of future development.How designing the broadband meeting communicating requirement in limited space, high-gain aerial is always up the problem that industry makes every effort to solve.
Utility model content
The purpose of this utility model is in that, it is proposed to a kind of miniaturization and possess the communication bandwidth antenna of broadband properties, solves the problem that existing communication broad-band antenna cannot realize supporting 2G, 3G and 4G frequency range simultaneously.
To achieve these goals, the technical scheme that this utility model adopts is:
A kind of broad-band antenna possessing broadband properties, including the first dipole antenna oscillator, the second dipole antenna oscillator and be conductively connected post；Two piece of first radiating surface of described first dipole antenna oscillator extends from the middle of the first dipole antenna oscillator to the first dipole antenna oscillator two flank respectively, is feed port between described two pieces of radiating surfaces of first dipole antenna oscillator；Two piece of second radiating surface of the second dipole antenna oscillator extends from the middle of the second dipole antenna oscillator to the second dipole antenna oscillator two flank respectively；Described first dipole antenna oscillator, the second dipole antenna oscillator parallel placement separated by a distance, by being conductively connected post connection between the two relative radiating surface.
Wherein, the resonant frequency difference of described first dipole antenna oscillator, the second dipole antenna oscillator.
Wherein, the first of described first dipole antenna oscillator in the middle of radiating surface and end respectively through the second radiating surface connection being conductively connected post and the second dipole antenna oscillator.
Wherein, being conductively connected post described in is that copper joint pin is covered on surface.
Wherein, described in be conductively connected post be FR4 sheet material, its thickness is 0.5-1mm.
Wherein, described first dipole antenna oscillator, the second dipole antenna oscillator are FR4 sheet material, and its thickness is 0.5-1mm.
The beneficial effects of the utility model are:
One, the first dipole antenna oscillator, the centre of the second dipole antenna oscillator and end connect each through being conductively connected post, upper and lower two dipole antenna oscillators can regulate its radiation resistance mutually, and then improve its impedance matching, solve the impedance mismatch problem that the overlapping connection of overlapping technology two resonant element of resonance causes.
Two, the first radiating surface, the second radiating surface extend formation planar trapezoidal dipole antenna from the middle to both ends, ensure isotropic to increase swept area simultaneously, such scheme is used to make antenna obtain higher bandwidth, antenna oscillator adopts dipole antenna simultaneously so that omnidirectional's performance of antenna is guaranteed.
Three, the overall structure of antenna is simple, smaller, less costly, it is easy to be integrated in equipment.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of broad-band antenna possessing broadband properties of this utility model；
Fig. 2 is the exploded view of a kind of broad-band antenna possessing broadband properties of this utility model.
Label declaration:
First dipole antenna oscillator-1；Second dipole antenna oscillator-2；It is conductively connected post-3；First radiating surface-11；Feed port-12；In first dipole antenna oscillator m-13；First dipole antenna oscillator two flank-14；Second radiating surface-21；In second dipole antenna oscillator m-23；Second dipole antenna oscillator two flank-24.
Detailed description of the invention
Below with reference to detailed description of the invention shown in the drawings, this utility model is described in detail.But these embodiments are not limiting as this utility model, those of ordinary skill in the art is all contained in protection domain of the present utility model according to the made structure of these embodiments, method or conversion functionally.
Consult Fig. 1, shown in 2, a kind of broad-band antenna possessing broadband properties, including first dipole antenna oscillator the 1, second dipole antenna oscillator 2 and be conductively connected post 3；Two piece of first radiating surface 11 of described first dipole antenna oscillator 1 extends from middle 13 to first dipole antenna oscillator two flanks 14 of the first dipole antenna oscillator respectively, is feed port 12 between described 1 two piece of first radiating surface 21 of first dipole antenna oscillator；Two piece of second radiating surface 21 of the second dipole antenna oscillator 2 extends from middle 23 to second dipole antenna oscillator two flanks 24 of the second dipole antenna oscillator respectively；Described first dipole antenna oscillator the 1, second dipole antenna oscillator 2 parallel placement separated by a distance, passes through to be conductively connected post 3 and connects between the two relative radiating surface.
The resonant frequency of described first dipole antenna oscillator the 1, second dipole antenna oscillator 2 is different.The dipole antenna oscillator of two different resonant frequencies is combined, upper and lower parallel placement, two oscillators are connected with each other by the post 3 that is conductively connected being covered copper by surface at distributing point and end, levels dipole antenna oscillator has the effect mutually regulating radiation resistance, good impedance matching can be realized, the final function realizing widening the beamwidth of antenna, first radiating surface the 11, second radiating surface 21 adopts the structure of planar trapezoidal to ensure isotropic to increase swept area simultaneously.
In above-mentioned embodiment, the centre of the first dipole antenna oscillator 1 and end connect each through the second radiating surface 2 being conductively connected post and the second dipole antenna oscillator, upper and lower two dipole antenna oscillators can regulate its radiation resistance mutually, and then improve its impedance matching, solve the impedance mismatch problem that the overlapping connection of overlapping technology two resonant element of resonance causes.Described being conductively connected post 3 surface can be adopted to cover copper joint pin, copper is a kind of conductive medium preferably.The described copper joint pin that covers is FR4 sheet material, and its thickness is between 0.5-1mm, wherein preferably adopts 0.8mm.
Described first dipole antenna oscillator the 1, second dipole antenna oscillator 2 can adopt FR4 sheet material, and its THICKNESS CONTROL is between 0.5-1mm.It preferably adopts 0.88mm thickness, and the program can not only ensure the performance of broad-band antenna, also can realize the volume minimization of broad-band antenna.Making antenna obtain higher bandwidth with such scheme, antenna oscillator adopts dipole antenna simultaneously so that omnidirectional's performance of antenna is guaranteed.
In above-mentioned embodiment, the overall structure of antenna is simple, and size, small volume are less costly, it is easy to be integrated in equipment.
It is to be understood that, although this specification is been described by according to embodiment, but not each embodiment only comprises an independent technical scheme, this narrating mode of description is only for clarity sake, description should be made as a whole by those skilled in the art, technical scheme in each embodiment through appropriately combined, can also form other embodiments that it will be appreciated by those skilled in the art that.
The a series of detailed description of those listed above is only for illustrating of feasibility embodiment of the present utility model; they are also not used to limit protection domain of the present utility model, all should be included within protection domain of the present utility model without departing from this utility model skill equivalent implementations of making of spirit or change.
Claims (6)
1. the broad-band antenna possessing broadband properties, it is characterised in that: include the first dipole antenna oscillator, the second dipole antenna oscillator and be conductively connected post；Two piece of first radiating surface of described first dipole antenna oscillator extends from the middle of the first dipole antenna oscillator to the first dipole antenna oscillator two flank respectively, is feed port between described two piece of first radiating surface of first dipole antenna oscillator；Two piece of second radiating surface of the second dipole antenna oscillator extends from the middle of the second dipole antenna oscillator to the second dipole antenna oscillator two flank respectively；Described first dipole antenna oscillator, the second dipole antenna oscillator parallel placement separated by a distance, by being conductively connected post connection between the radiating surface of the two opposite face.
2. the broad-band antenna possessing broadband properties according to claim 1, it is characterised in that: described first dipole antenna oscillator, the second dipole antenna oscillator resonant frequency different.
3. the broad-band antenna possessing broadband properties according to claim 2, it is characterised in that: the first radiating surface centre of described first dipole antenna oscillator and end connect respectively through the second radiating surface being conductively connected post and the second dipole antenna oscillator.
4. the broad-band antenna possessing broadband properties according to claim 3, it is characterised in that: described in be conductively connected post be that copper joint pin is covered on surface.
5. the broad-band antenna possessing broadband properties according to claim 4, it is characterised in that: described in be conductively connected post be FR4 sheet material, its thickness is 0.5-1mm.
6. the broad-band antenna possessing broadband properties according to claim 3, it is characterised in that: described first dipole antenna oscillator, the second dipole antenna oscillator are FR4 sheet material, and its thickness is 0.5-1mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620165233.1U CN205406715U (en) | 2016-03-04 | 2016-03-04 | Broadband antenna who possesses wide band characteristic |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620165233.1U CN205406715U (en) | 2016-03-04 | 2016-03-04 | Broadband antenna who possesses wide band characteristic |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205406715U true CN205406715U (en) | 2016-07-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620165233.1U Active CN205406715U (en) | 2016-03-04 | 2016-03-04 | Broadband antenna who possesses wide band characteristic |
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| Country | Link |
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| CN (1) | CN205406715U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110612637A (en) * | 2018-01-05 | 2019-12-24 | 深圳市大疆创新科技有限公司 | Dipole antenna and unmanned aerial vehicle |
-
2016
- 2016-03-04 CN CN201620165233.1U patent/CN205406715U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110612637A (en) * | 2018-01-05 | 2019-12-24 | 深圳市大疆创新科技有限公司 | Dipole antenna and unmanned aerial vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 350000 Building 28, Fuzhou Software Park C, 89 Software Avenue, Gulou District, Fuzhou City, Fujian Province Patentee after: Ankexun (Fujian) Technology Co., Ltd. Address before: Room 2-17J, Building 1, No. 27 Huli Road, Mawei District, Fuzhou City, Fujian Province Patentee before: FUJIAN SUNNADA NETWORK TECHNOLOGY CO., LTD. |