CN203180052U - Elliptical oscillator ultra-wideband antenna - Google Patents
Elliptical oscillator ultra-wideband antenna Download PDFInfo
- Publication number
- CN203180052U CN203180052U CN 201320157550 CN201320157550U CN203180052U CN 203180052 U CN203180052 U CN 203180052U CN 201320157550 CN201320157550 CN 201320157550 CN 201320157550 U CN201320157550 U CN 201320157550U CN 203180052 U CN203180052 U CN 203180052U
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- floor
- radiant body
- wideband antenna
- ultra
- oval
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Abstract
The utility model mainly relates to an elliptical oscillator ultra-wideband antenna comprising a radiation body, a feeding part, and a grounding part. The grounding part is floor. The radiation body is arranged above the floor, and is an ellipsoid. The feeding part is a coaxial connector arranged below the floor, and feeds electromagnetic signals to the radiation body through the floor. One end of a metal rod is inserted and fixed in the coaxial connector, and the other end of the metal rod is inserted into the radiation body, such that certain gap is kept between the coaxial connector and the radiation body. The working band of the elliptical oscillator ultra-wideband antenna provided by the utility model is 700MHz-7000MHz. The frequency includes those of communication systems of GPS, 2G, 3G/4G, wifi, CMMB, Compass, and the like. Therefore, the elliptical oscillator ultra-wideband antenna is suitable for large-scale popularization.
Description
Technical field
The utility model relates to a kind of antenna, specifically is a kind of oval oscillator ultra-wideband communications antenna.
Background technology
(Ultra-Wide Band, UWB) operating frequency of antenna is extremely wide, on the basis that guarantees day live width impedance bandwidth and high transmit power, realizes the miniaturization of antenna, is the major issue that the ultra-wideband antenna design faces for ultra broadband.UWB has characteristics such as high data transmission rate, low power consumption and strong anti-interference ability, receives much attention so be used for the super Wide antenna of ultra-wideband devices.
The working frequency range of ultra-wideband antenna is 700MHz-4000MHz frequency range, and this frequency has comprised communication systems such as GPS, the Big Dipper, 2G, 3G/4G, wifi, CMMB.
Summary of the invention
Goal of the invention
The purpose of this utility model is to provide a kind of antenna miniaturization more, ultra-wideband antenna that makes system further be optimized of making.
Technical scheme
A kind of oval oscillator ultra-wideband antenna comprises radiant body, feeding portion and grounding parts, it is characterized in that: grounding parts is the floor, and radiant body is arranged at the top, floor, is used for the transmitting-receiving electromagnetic wave signal, and profile is oval ball; Feeding portion is the coaxial connector that is arranged on floor below, by the floor to radiant body feed-in electromagnetic wave signal; Metallic rod one end inserts coaxial connector and fixing, and the other end inserts in the radiant body, makes between coaxial connector and the radiant body and leaves the slit.
The major axis of radiant body is vertical with the floor.
The minor axis of radiant body is vertical with the floor.
Metallic rod one end inserts coaxial connector and welding is fixing.
Radiant body is coaxial with the floor.
Irradiator surface is smooth.
The height in slit is 2-5mm.
Advantage and effect
Advantage of the present utility model and beneficial effect are as follows:
1, utilize oval ball to do the aerial radiation source, this form never occurred.
2, volume is little, in light weight;
3, change in gain is smooth;
4, standing wave changes smooth;
5, omnidirectional's performance is good;
6, mechanical strength height;
7, maintenance maintenance is convenient;
8, the cooperating adaptability with the existing communication equipment is strong.
Description of drawings
Fig. 1 is the utility model end view;
Fig. 2 is Fig. 1 vertical view;
Fig. 3 is embodiment 1 structural representation;
Fig. 4 is embodiment 6 structural representations;
Fig. 5 is embodiment 4 structural representations;
Fig. 6 is the utility model emulation standing wave pattern;
Fig. 7 is the utility model actual measurement standing wave pattern;
Fig. 8 is the utility model actual measurement directional diagram.
Description of reference numerals:
1, floor, 2, radiant body, 3, coaxial connector, 4, the slit, 5, Metallic rod.
Embodiment:
Below in conjunction with accompanying drawing the utility model is described further:
Fig. 1 is end view of the present utility model, Fig. 2 is the vertical view of Fig. 1, as shown in Fig. 1 and Fig. 2, the utility model proposes a kind of oval oscillator ultra-wideband antenna, comprise radiant body 2, feeding portion and grounding parts, it is characterized in that: grounding parts is floor 1, and radiant body 2 is arranged at 1 top, floor, be used for the transmitting-receiving electromagnetic wave signal, profile is oval ball; Feeding portion is the coaxial connector 3 that is arranged on 1 below, floor, by floor 1 to radiant body 2 feed-in electromagnetic wave signals; Metallic rod 5 one ends insert coaxial connector 3 and fixing, and the other end inserts in the radiant body 2, makes between coaxial connector 3 and the radiant body 2 and leaves slit 4.The purpose that Metallic rod 5 is set is fixed radiant body, makes antenna increase mechanically stable.
The major axis of radiant body 2 or minor axis are vertical with floor 1.When the major axis of radiant body 2 and floor 1 were vertical, the performance of antenna was better.
Metallic rod one end inserts coaxial connector and welding is fixing.
The height in slit 4 is 2-5mm, and the performance that can improve antenna is set like this.
Oval oscillator ultra-wideband antenna described in the utility model also not only works in 700MHz-7000MHz frequency range; Can adjust the performances such as bandwidth of antenna by changing the numerical value of major and minor axis.
Ultra-wideband antenna is arranged on the floor 1, and radiant body 2 is an oval ball, is used for connecting coaxial connector 3 and feed-in electromagnetic wave signal, and the major axis of radiant body 2 is vertical with the floor.
In the present embodiment, as shown in Figure 3, the oval ball major axis summit of ultra-wideband antenna is 3.5 millimeters far from the height (slit) on floor, and oval ball long axis length is 120 millimeters; Oval ball minor axis length is 40 millimeters; The radius on floor is 50 millimeters.
A kind of oval oscillator ultra-wideband antenna, its structure as mentioned above, the major axis of radiant body 2 is vertical with the floor, the height in slit 4 is 2mm.
A kind of oval oscillator ultra-wideband antenna, the height in slit 4 is 5mm, and the major axis of radiant body 2 is vertical with the floor, and other structure is with embodiment 2.
A kind of oval oscillator ultra-wideband antenna, as shown in Figure 5, the height in slit 4 is 5mm, and the minor axis of radiant body 2 is vertical with the floor, and other structure is as mentioned above.
A kind of oval oscillator ultra-wideband antenna, the height in slit 4 is 3mm, and the minor axis of radiant body 2 is vertical with the floor, and other structure is with embodiment 4.
According to embodiment 1 described structure, as shown in Figure 4.
With CST microwave studio (CST microwave studio) antenna of this structure is carried out simulation calculation, obtain the return loss of this antenna structure.
Above-mentioned CST is Computer Simulation Technology(Computer Simulation science and technology) abbreviation, it is the name of a company, CST microwave studio is an Electromagnetic Simulation software of the said firm, all be that Chinese also all is the CST microwave studio with abbreviation when mentioning this software.
From emulation and actual test result as can be seen, the super-wide-band flat antenna of this structure meets the requirement of ultra-wideband antenna under the situation of above-mentioned physical dimension parameter, namely its return loss in 700MHz-7000MHz frequency range less than-9dB.Emulation, measured data are seen Fig. 5, Fig. 6 and Fig. 7.
Claims (7)
1. an oval oscillator ultra-wideband antenna comprises radiant body (2), feeding portion and grounding parts, it is characterized in that: grounding parts is floor (1), and radiant body (2) is arranged at top, floor (1), is used for the transmitting-receiving electromagnetic wave signal, and profile is oval ball; Feeding portion is for being arranged on the coaxial connector (3) below the floor (1), by floor (1) to radiant body (2) feed-in electromagnetic wave signal; Metallic rod (5) one ends insert coaxial connector (3) and fixing, and the other end inserts in the radiant body (2), makes between coaxial connector (3) and the radiant body (2) and leaves slit (4).
2. oval oscillator ultra-wideband antenna according to claim 1, it is characterized in that: the major axis of radiant body (2) is vertical with floor (1).
3. oval oscillator ultra-wideband antenna according to claim 1, it is characterized in that: the minor axis of radiant body (2) is vertical with floor (1).
4. oval oscillator ultra-wideband antenna according to claim 1 is characterized in that: Metallic rod (5) one ends insert coaxial connectors (3) and welding is fixing.
5. oval oscillator ultra-wideband antenna according to claim 1, it is characterized in that: radiant body (2) is coaxial with floor (1).
6. oval oscillator ultra-wideband antenna according to claim 1 is characterized in that: radiant body (2) smooth surface.
7. oval oscillator ultra-wideband antenna according to claim 1, it is characterized in that: the height of slit (4) is 2-5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320157550 CN203180052U (en) | 2013-04-01 | 2013-04-01 | Elliptical oscillator ultra-wideband antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320157550 CN203180052U (en) | 2013-04-01 | 2013-04-01 | Elliptical oscillator ultra-wideband antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203180052U true CN203180052U (en) | 2013-09-04 |
Family
ID=49076712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320157550 Expired - Fee Related CN203180052U (en) | 2013-04-01 | 2013-04-01 | Elliptical oscillator ultra-wideband antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203180052U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103187619A (en) * | 2013-04-01 | 2013-07-03 | 金明涛 | Elliptical vibrator ultra-wide band antenna |
| KR102351869B1 (en) * | 2020-11-30 | 2022-01-18 | 한국전자기술연구원 | High efficiency broadband antenna |
-
2013
- 2013-04-01 CN CN 201320157550 patent/CN203180052U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103187619A (en) * | 2013-04-01 | 2013-07-03 | 金明涛 | Elliptical vibrator ultra-wide band antenna |
| KR102351869B1 (en) * | 2020-11-30 | 2022-01-18 | 한국전자기술연구원 | High efficiency broadband antenna |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130904 Termination date: 20180401 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |