CN201188453Y - Asymmetric eight-puppet-pole ultra-windband antenna structure - Google Patents
Asymmetric eight-puppet-pole ultra-windband antenna structure Download PDFInfo
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- CN201188453Y CN201188453Y CNU2008200031724U CN200820003172U CN201188453Y CN 201188453 Y CN201188453 Y CN 201188453Y CN U2008200031724 U CNU2008200031724 U CN U2008200031724U CN 200820003172 U CN200820003172 U CN 200820003172U CN 201188453 Y CN201188453 Y CN 201188453Y
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Abstract
The utility model relates to a structure of an asymmetric yagi dipole ultra-wideband antenna which is arranged on a substrate, can be connected with a wireless communication device, and comprises a first radiation arm and a second radiation arm, wherein, the first radiation arm at least comprises a first feeding port, a first branch arm, a second branch arm and a first tail arm; the second radiation arm at least comprises a second feeding port, a third branch arm, a fourth branch arm and a second tail arm; the first feeding port and the second feeding port are used for being connected to the wireless communication device and are respectively arranged in positions in which the first radiation arm and the second radiation arm keep the nearest distance from each other; moreover, the first tail arm and the second tail arm are respectively arranged in positions in which the first radiation arm and the second radiation arm keep the farthest distance from each other.
Description
Technical field
The utility model relates to the built-in antenna arrangement of radio communication device, particularly about a kind of asymmetric Yagi spark gap dipole ultra-wide frequency antenna structure.
Background technology
Along with the progress of modern communications technology, wireless communication apparatus is used in the consumption electronic products such as notebook computer, mobile phone and PDA(Personal Digital Assistant) in large quantities to carry out wireless telecommunications.Wireless communication apparatus is generally understood for consideration attractive in appearance, and carries out transmission of Information with the internally-arranged type antenna configurations in the inside of electronic product.General internally-arranged type antenna can influence its frequency range and radiation efficiency for reaching reduced volume, employed antenna characteristics is difficult for grasping, be difficult for being adjusted to the frequency response of corresponding required by electronic product, or its antenna bandwidth scope is difficult for being adjusted to bigger scope, and the utility model is and addresses the above problem the antenna structure that is born.
Summary of the invention
Shortcoming based on the above prior art, the asymmetric Yagi spark gap dipole of the utility model ultra-wide frequency antenna structure, its main purpose is to make asymmetric Yagi spark gap dipole ultra-wide frequency antenna structure on a substrate, can adjust the desired frequency response of coupling via the design of calculating radiation arm number and length width.
In order to achieve the above object, the utility model provides a kind of asymmetric Yagi spark gap dipole ultra-wide frequency antenna structure, and it is to be arranged on the substrate, to connect a wireless communication apparatus, includes:
First radiation arm, it is to include the first feed-in port, first fen arm, second fen arm and the first tail arm at least; And
Second radiation arm, it is to include the second feed-in port, the 3rd fen arm, the 4th fen arm and the second tail arm at least;
The wherein above-mentioned first feed-in port and the second feed-in port are in order to being connected to wireless communication apparatus, and the first feed-in port and the second feed-in port are the positions that is arranged at the minimum distance of first radiation arm and second radiation arm respectively; And the first tail arm and the second tail arm are the positions that is arranged at the maximum distance of first radiation arm and second radiation arm respectively.
Preferably, this substrate is meant wherein one of a printed circuit board (PCB) and metal radiation fin.
Preferably, this first fen arm, second fen arm, the 3rd fen arm, the 4th minute arm, the first tail arm and the second tail arm are respectively formed UWB (Ultra Wideband) Antenna for 1/4 of the wavelength X of corresponding different frequency.
The beneficial effects of the utility model are: this asymmetric Yagi spark gap dipole UWB (Ultra Wideband) Antenna comprises first radiation arm and second radiation arm at least, via the number of the branch arm that calculates first radiation arm and second radiation arm and the design of length width, adjust the desired frequency response of coupling.Be arranged at the simple and easy making of antenna structure of substrate, so can produce in a large number and can promote the making yield.And the quantity that can set up radiating surface according to actual demand is by this so that asymmetric Yagi spark gap dipole UWB (Ultra Wideband) Antenna is received and dispatched the electromagnetic wave of multiple different frequency.
Below in conjunction with accompanying drawing above and other features and advantages of the present utility model are elaborated.
Description of drawings
Fig. 1 is first embodiment of the asymmetric Yagi spark gap dipole of the utility model ultra-wide frequency antenna structure;
Fig. 2 is the antenna frequencies response Line Chart of Fig. 1;
Fig. 3 is second embodiment of the asymmetric Yagi spark gap dipole of the utility model ultra-wide frequency antenna structure;
Fig. 4 is the antenna frequencies response Line Chart of Fig. 3;
Fig. 5 is the 3rd embodiment of the asymmetric Yagi spark gap dipole of the utility model ultra-wide frequency antenna structure;
Fig. 6 is the 4th embodiment of the asymmetric Yagi spark gap dipole of the utility model ultra-wide frequency antenna structure;
Fig. 7 is the 5th embodiment of the asymmetric Yagi spark gap dipole of the utility model ultra-wide frequency antenna structure;
Fig. 8 is the 6th embodiment of the asymmetric Yagi spark gap dipole of the utility model ultra-wide frequency antenna structure;
Fig. 9 is the 7th embodiment of the asymmetric Yagi spark gap dipole of the utility model ultra-wide frequency antenna structure;
Figure 10 A is the 8th embodiment of the asymmetric Yagi spark gap dipole of the utility model ultra-wide frequency antenna structure;
Figure 10 B is the 9th embodiment of the asymmetric Yagi spark gap dipole of the utility model ultra-wide frequency antenna structure.
1,2, the 3-substrate description of reference numerals:; 11,21,31-first radiation arm; 111,211,311,41, the 43-first feed-in port; 112,212, first fen arm of 312-; 113,213, second fen arm of 313-; 114,214, the 314-first tail arm; 12,22,32-second radiation arm; 121,221,321,42, the 44-second feed-in port; 122,222, the 3rd fen arm of 322-; 123,223, the 4th fen arm of 323-; 124,224, the 324-second tail arm; The 5th fen arm of 315-; The 6th fen arm of 316-; The 7th fen arm of 325-; The 8th fen arm of 326-.
Embodiment
Below in conjunction with accompanying drawing above and other features and advantages of the present utility model are elaborated.
See also shown in Figure 1, it is first embodiment for the asymmetric Yagi spark gap dipole of the utility model ultra-wide frequency antenna structure, be to connect a wireless communication apparatus, this asymmetric Yagi spark gap dipole ultra-wide frequency antenna structure is for being made on the substrate 1, this substrate can be a printed circuit board (PCB) (PCB) or metal radiation fin, more general traditional column antenna of its production cost or helical antenna are low, has compact characteristic simultaneously, this antenna structure is to include: first radiation arm 11, and it is to include the first feed-in port 111 at least, arm 112 in first minute, the second fen arm 113 and the first tail arm 114; Second radiation arm 12, it is to include the second feed-in port 121, the 3rd fen arm 122, the 4th fen arm 123 and the second tail arm 124 at least; The wherein above-mentioned first feed-in port 111 and the second feed-in port 121 are in order to being connected to wireless communication apparatus (for example: notebook computer, mobile phone and PDA(Personal Digital Assistant)) (not shown), and the first feed-in port 111 and the second feed-in port 121 are the positions that are arranged at the minimum distance of first radiation arm 11 and second radiation arm 12 respectively; And the first tail arm 114 and the second tail arm 124 are the positions that are arranged at the maximum distance of first radiation arm 11 and second radiation arm 12 respectively.To be that the line stretcher at the first feed-in port 111 is right-hand protrude out first fen arm 112 and first radiation arm, 11 each structure are provided with the position, the line stretcher left at the first feed-in port 111 extends second fen arm 113 again above first fen arm 112, the right-hand first tail arm 114 that extends again of line stretcher at the first feed-in port 111 above second fen arm 113 again is to form this first radiation arm 11; To be that the line stretcher at the second feed-in port 121 is right-hand protrude out the 3rd fen arm 122 and second radiation arm, 12 each structure are provided with the position, the line stretcher left at the second feed-in port 121 extends the 4th fen arm 123 again below the 3rd fen arm 122, the right-hand second tail arm 124 that extends again of line stretcher at the first feed-in port 121 above the 4th fen arm 123 again is to form this second radiation arm 121.
See also shown in Figure 2ly, it is to be the antenna frequencies of Fig. 1 response Line Chart, wherein can find out the measured antenna frequencies scope of the antenna transverse axis (X-axis) of Fig. 1, and minimum value is 500MHz, and maximum is 6.5GHz.Vertical seat (Y-axis) then is reflection loss (dB), and is linear by measuring, and the antenna frequencies response all can keep a stabilized frequency response in the scope of this super wideband (500MHz-6.5GHz).Be mainly and disclose the 3rd fen arm 122 of first fen arm 112 of first radiation arm 11, second minute arm 113, the first tail arm 114 and second radiation arm 12, the 4th fen arm 123, the second tail arm 124 by Fig. 1 and respectively form UWB (Ultra Wideband) Antenna for 1/4 of the wavelength X of corresponding different frequency.
See also shown in Figure 3, it is second embodiment for the asymmetric Yagi spark gap dipole of the utility model ultra-wide frequency antenna structure, antenna structure on substrate 2 is to include: it is first radiation arm 21, and it is to include the first feed-in port 211, first fen arm 212, second minute arm 213 and the first tail arm 214 at least; Second radiation arm 22, it is to include the second feed-in port 221, the 3rd fen arm 222, the 4th fen arm 223 and the second tail arm 224 at least.Compare with Fig. 1 structure, its maximum difference be 21 first fens arms 212 of first radiation arm and the 3rd fen arm 222 of second radiation arm 22 length all than the revealer of Fig. 1 institute for long, all the other structures are all identical with Fig. 1, please consult shown in Figure 4ly simultaneously, are to be the antenna frequencies of Fig. 3 response Line Chart; This Fig. 4 contrasts Fig. 2 and compares, can find that Fig. 2 antenna frequencies responds linear minimum point and all do not surpass-20dB, but the disclosed variation structure of Fig. 3, but making Fig. 4 antenna frequencies respond linear minimum point surpasses-20dB, compare by Fig. 2 and Fig. 4 and to learn, change the length or the width of arbitrary minute arm of first radiation arm and second radiation arm, just influenced the linear of antenna frequencies response, so following Fig. 5 to Figure 10 A, structure that 10B discloses, aspect is implemented in the variation that is all the basic framework of Fig. 1, its purpose is to cause different frequency response couplings, to meet the characteristic of required by electronic product.
See also Fig. 5 to shown in Figure 8, its be respectively the asymmetric Yagi spark gap dipole of the utility model ultra-wide frequency antenna structure third and fourth, five, six embodiment, its all variation is all first fen arm of its first radiation arm of Fig. 1 structural change, second fen arm, the first tail arm, and the 3rd fen arm of second radiation arm, the 4th fen arm, the second tail arm, all can change those structure lengths and width, to adjust necessary frequency response.
See also shown in Figure 9, it is the 7th embodiment for the asymmetric Yagi spark gap dipole of the utility model ultra-wide frequency antenna structure, antenna structure on substrate comprises: first radiation arm 31, and it is to include the first feed-in port 311, first fen arm 312, second minute arm 313 and the first tail arm 314 at least; Second radiation arm 32, it is to include the second feed-in port 321, the 3rd fen arm 322, the 4th fen arm 323 and the second tail arm 324 at least.And Fig. 1 compares structural difference and is first radiation arm 31 in first fen arm 312 and established one the 5th fen arm 315 and the 6th fen arm 316 in second minute between the arm 313 especially, and this second radiation arm 32 is at the 3rd fen arm 322 and established one the 7th fen arm 325 and the 8th fen arm 326 on the 4th minute between the arm 323 especially.The above-mentioned branch arm of setting up also can cause different frequency response couplings, to meet the characteristic of required by electronic product.
Please consult simultaneously shown in Figure 10 A, Figure 10 B, be respectively the 8th, nine embodiment of the asymmetric Yagi spark gap dipole of the utility model ultra-wide frequency antenna structure, this two graphic and Fig. 1 compare structural difference and are all to transfer in its first feed-in port (41,43) and the second feed-in port (42,44) and extend to substrate edges, so framework so just can cooperate the special needs of electronic product to antenna feed-in port except can causing different frequency response couplings.
Exposure by above-mentioned Fig. 1 to Figure 10 A, Figure 10 B, can understand a kind of asymmetric Yagi spark gap dipole ultra-wide frequency antenna structure of the utility model, its main purpose is to make asymmetric Yagi spark gap dipole ultra-wide frequency antenna structure on a substrate, this asymmetric Yagi spark gap dipole UWB (Ultra Wideband) Antenna comprises first radiation arm and second radiation arm at least, via the number of the branch arm that calculates first radiation arm and second radiation arm and the design of length width, adjust the desired frequency response of coupling.In addition, be arranged at the simple and easy making of antenna structure on the substrate, so can produce in a large number and can promote the making yield.Moreover the quantity of setting up radiating surface according to actual demand is by this so that asymmetric Yagi spark gap dipole UWB (Ultra Wideband) Antenna is received and dispatched the electromagnetic wave of multiple different frequency.The design of this kind antenna structure has high commercial value, so propose patent application to seek Patent right protection.
Above embodiment only is preferred embodiment of the present utility model, and it is illustrative for the utility model, and nonrestrictive.Those skilled in the art carries out conversion, modification even equivalence to it under the situation that does not exceed the utility model spirit and scope, these changes all can fall into claim protection range of the present utility model.
Claims (7)
1. asymmetric Yagi spark gap dipole ultra-wide frequency antenna structure, it is to be arranged on the substrate, to connect a wireless communication apparatus, it is characterized in that, includes:
First radiation arm, it is to include the first feed-in port, first fen arm, second fen arm and the first tail arm at least; And
Second radiation arm, it is to include the second feed-in port, the 3rd fen arm, the 4th fen arm and the second tail arm at least;
The wherein above-mentioned first feed-in port and the second feed-in port are in order to being connected to wireless communication apparatus, and the first feed-in port and the second feed-in port are the positions that is arranged at the minimum distance of first radiation arm and second radiation arm respectively; And the first tail arm and the second tail arm are the positions that is arranged at the maximum distance of first radiation arm and second radiation arm respectively.
2. asymmetric Yagi spark gap dipole ultra-wide frequency antenna structure according to claim 1 is characterized in that this substrate is one of them of a printed circuit board (PCB) and metal radiation fin.
3. asymmetric Yagi spark gap dipole ultra-wide frequency antenna structure according to claim 1, it is characterized in that this first fen arm, second fen arm, the 3rd fen arm, the 4th minute arm, the first tail arm and the second tail arm are respectively formed UWB (Ultra Wideband) Antenna for 1/4 of the wavelength X of corresponding different frequency.
4. asymmetric Yagi spark gap dipole ultra-wide frequency antenna structure according to claim 1 is characterized in that, this first fen arm and second fen arm are for being in heteropleural with respect to the first feed-in port line stretcher.
5. asymmetric Yagi spark gap dipole ultra-wide frequency antenna structure according to claim 1, wherein the 3rd fen arm and the 4th fen arm are for being in heteropleural with respect to the second feed-in port line stretcher.
6. asymmetric Yagi spark gap dipole ultra-wide frequency antenna structure according to claim 1, it is characterized in that, this first radiation arm was in first fen arm and established one the 5th fen arm and the 6th fen arm in second minute between the arm especially, and this second radiation arm is in the 3rd fen arm and established one the 7th fen arm and the 8th fen arm on the 4th minute between the arm especially.
7. asymmetric Yagi spark gap dipole ultra-wide frequency antenna structure according to claim 1 is characterized in that transferring especially and extend to substrate edges in this first feed-in port and the second feed-in port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200031724U CN201188453Y (en) | 2008-02-18 | 2008-02-18 | Asymmetric eight-puppet-pole ultra-windband antenna structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200031724U CN201188453Y (en) | 2008-02-18 | 2008-02-18 | Asymmetric eight-puppet-pole ultra-windband antenna structure |
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| Publication Number | Publication Date |
|---|---|
| CN201188453Y true CN201188453Y (en) | 2009-01-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200031724U Expired - Lifetime CN201188453Y (en) | 2008-02-18 | 2008-02-18 | Asymmetric eight-puppet-pole ultra-windband antenna structure |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102044756A (en) * | 2009-10-26 | 2011-05-04 | 雷凌科技股份有限公司 | Double-frequency printing type yagi antenna |
| CN103560325A (en) * | 2013-11-15 | 2014-02-05 | 西安电子科技大学 | Broadband Quari-Yagi antenna applied to multi-band frequency wireless communication system |
| CN110247200A (en) * | 2019-07-09 | 2019-09-17 | 西南交通大学 | A kind of two-band high-gain aerial suitable for Railway Environment |
-
2008
- 2008-02-18 CN CNU2008200031724U patent/CN201188453Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102044756A (en) * | 2009-10-26 | 2011-05-04 | 雷凌科技股份有限公司 | Double-frequency printing type yagi antenna |
| CN102044756B (en) * | 2009-10-26 | 2014-07-02 | 雷凌科技股份有限公司 | Double-frequency printing type yagi antenna |
| CN103560325A (en) * | 2013-11-15 | 2014-02-05 | 西安电子科技大学 | Broadband Quari-Yagi antenna applied to multi-band frequency wireless communication system |
| CN103560325B (en) * | 2013-11-15 | 2016-08-17 | 西安电子科技大学 | A kind of broadband Quasi-Yagi antenna being applied to multiband wireless communication system |
| CN110247200A (en) * | 2019-07-09 | 2019-09-17 | 西南交通大学 | A kind of two-band high-gain aerial suitable for Railway Environment |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090128 |
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| CX01 | Expiry of patent term |