CN204130691U - A kind of WiMax antenna broadband oscillator - Google Patents
A kind of WiMax antenna broadband oscillator Download PDFInfo
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- CN204130691U CN204130691U CN201420411564.XU CN201420411564U CN204130691U CN 204130691 U CN204130691 U CN 204130691U CN 201420411564 U CN201420411564 U CN 201420411564U CN 204130691 U CN204130691 U CN 204130691U
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- radiation fin
- antenna
- armstand
- radiation
- broadband oscillator
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Abstract
The utility model provides a kind of WiMax antenna broadband oscillator, described broadband oscillator comprises a column, the diameter of described column to lower and on increase gradually, described column comprises four armstands and connects the connecting portion of four armstand lower ends, gap is provided with between each adjacent armstand, also gap is provided with between each relative armstand, each armstand upper end is all outwards vertically extended with a radiation fin, gap is equipped with between each adjacent radiation fin and between each relative radiation fin, the angle, outer end of each described radiation fin is fillet, the both sides of each described radiation fin are respectively equipped with a radiating surface, each radiating surface is according to the principle design of logarithm periodic antenna, and two groups of radiating surfaces on each radiation fin and two groups of radiating surfaces on relative radiation sheet form one group of biconical antenna.The utility model long service life, sound construction, and also there is the advantages such as ultra-wideband, low standing wave, low-loss.
Description
[technical field]
The utility model relates to a kind of WiMax antenna broadband oscillator.
[background technology]
High frequency radiation oscillator is that antenna receives and the most basic unit of radiation signal, is mainly used in the platy directional antenna in mobile communication and wireless network covering, can by antenna gain number decide the unit number of radiating doublet; The characteristic impedance of single oscillator and frequency bandwidth determine the impedance matching after antenna oscillator group battle array and frequency bandwidth, at present, because the frequency range of antenna is higher, the volume of radiating element oscillator is little, so radiating doublet adopts pcb board structure mostly, vibrator radiating unit and feeding network are all engraved on pcb board, also small part high frequency radiation oscillator is had to adopt air microstrip structure, but feeding network is on pcb board equally, these two kinds of structure group battle arrays antenna frequency band is out not wide, impedance matching is poor, and the standing-wave ratio of antenna is higher, and gain loss is larger; Due to vibrator radiating unit and feeding network are all engraved on pcb board, perpendicular polarization and horizontally-polarized antenna make well, but in dual polarization as vertical and horizontal polarization, the antenna of positive and negative 45 degree of polarization makes and has just been not easy.
Existing wide band high frequency oscillator, mostly adopt pcb board material structure, frequency band is not wide, and pcb board dielectric loss is larger; Also have a small amount of wide band high frequency vibrating minor structure to adopt air microstrip structure, but the feeding network of oscillator is also be made with PCB material, is equally also that frequency band is not wide and pcb board dielectric loss is larger.
[summary of the invention]
The technical problems to be solved in the utility model, is to provide a kind of WiMax antenna broadband oscillator, its long service life, sound construction, and also has the advantages such as ultra-wideband, low standing wave, low-loss.
The utility model realizes above-mentioned technical problem like this:
A kind of WiMax antenna broadband oscillator, described broadband oscillator comprises a column, the diameter of described column to lower and on increase gradually, described column comprises four armstands and connects the connecting portion of four armstand lower ends, gap is provided with between each adjacent armstand, also gap is provided with between each relative armstand, each armstand upper end is all outwards vertically extended with a radiation fin, gap is equipped with between each adjacent radiation fin and between each relative radiation fin, the angle, outer end of each described radiation fin is fillet, the both sides of each described radiation fin are respectively equipped with a radiating surface, each radiating surface is according to the principle design of logarithm periodic antenna, and two groups of radiating surfaces on each radiation fin and two groups of radiating surfaces on relative radiation sheet form one group of biconical antenna.
Further, described broadband oscillator is the broadband oscillator that kirsite is made.
Further, in described four pieces of radiation fins, the inner end of two pieces of adjacent radiation fins is equipped with a feed connection bump, and the inner end of other two pieces of radiation fins is equipped with a cable-fed hole; Each feed connection bump respectively with the cable-fed Kong Weiyi group on relative radiation sheet, wherein the position in one group of feed connection bump and cable-fed hole, organizes low 1.9mm ~ 2.5mm than another; Described feed connection bump is connected by feed copper sheet with corresponding cable-fed hole, forms one group of half-wave doublet.
The utility model tool has the following advantages:
Broadband oscillator of the present utility model adopts zinc alloy material to be made, long service life, sound construction, and without dielectric loss, the shape of the radiation fin of broadband oscillator can widen the bandwidth of oscillator greatly, described feed connection bump is connected by feed copper sheet with corresponding cable-fed hole, form one group of half-wave doublet, wherein there are the feed connection bump of one group of half-wave doublet and another group of cable-fed boring ratio will low 1.9mm ~ 2.5mm, this method for designing, the polarization mode of broadband oscillator can be made to be easy to control to make, perpendicular polarization can be met, horizontal polarization, the antenna production requirement of the different polarization modes such as positive and negative 45 degree of polarization, control in the polarization mode of the utility model broadband oscillator after antenna array just seems very easy, in addition, the frequency band of the utility model broadband oscillator can increase by the frequency range of 40% on original basis, can utilize again feed networking that oscillator is formed antenna array, improve the performance of each side.
The utility model adopts the know-why of wide band logarithm periodic antenna and biconical antenna, often organize on radiation fin and have the radiating surface utilizing logarithm periodic antenna design principle, and two groups of radiating surfaces on each radiation fin and two groups of radiating surfaces on relative radiation sheet form one group of biconical antenna, form the feature of broadband and low standing wave, but also alleviate the weight of antenna oscillator.
[accompanying drawing explanation]
The utility model is further described with reference to the accompanying drawings in conjunction with the embodiments.
Fig. 1 is Facad structure schematic diagram of the present utility model.
Fig. 2 is structure schematic diagram of the present utility model.
Accompanying drawing identifier declaration:
1, column 2, radiation fin
3, feed connection bump 4, cable-fed hole
11, armstand 12, connecting portion
21, logarithm periodic antenna
[embodiment]
Refer to shown in Fig. 1 ~ 2, embodiment of the present utility model is described in detail.
Emphasis consults Fig. 1 ~ 2, the utility model relates to a kind of WiMax antenna broadband oscillator, described broadband oscillator comprises a column 1, the diameter of described column 1 to lower and on increase gradually, described column 1 comprises four armstands 11 and connects the connecting portion 12 of four armstand 11 lower ends, gap is provided with between each adjacent armstand 11, also gap is provided with between each relative armstand 11, each armstand 11 upper end is all outwards vertically extended with a radiation fin 2, gap is equipped with between each adjacent radiation fin 2 and between each relative radiation fin 2, the angle, outer end of each described radiation fin 2 is fillet, the both sides of each described radiation fin 2 are respectively equipped with one group of radiating surface 21, each radiating surface is according to the principle design of logarithm periodic antenna, and the two groups of radiating surfaces 21 on each radiation fin 2 form one group of biconical antenna with two groups of radiating surfaces 21 on relative radiation sheet 2.
Described broadband oscillator is the broadband oscillator that kirsite is made.
In described four pieces of radiation fins 2, the inner end of two pieces of adjacent radiation fins 2 is equipped with a feed connection bump 3, and the inner end of other two pieces of radiation fins 2 is equipped with a cable-fed hole 4; Each feed connection bump 3 is one group with the cable-fed hole 4 on relative radiation sheet 2 respectively, and wherein the position in one group of feed connection bump 3 and cable-fed hole 4, organizes low 1.9mm ~ 2.5mm than another; Described feed connection bump 3 is connected by feed copper sheet (not shown) with corresponding cable-fed hole 4, forms one group of half-wave doublet.
Broadband oscillator of the present utility model adopts zinc alloy material to be made, and without dielectric loss, the shape of the radiation fin 2 of broadband oscillator can widen the bandwidth of oscillator greatly; Described feed connection bump 3 is connected by feed copper sheet with corresponding cable-fed hole 4, form one group of half-wave doublet, wherein there is the feed of one group of half-wave doublet to connect convex 3 and organize low 1.9mm ~ 2.5mm with cable-fed hole 4 than another, this method for designing, the polarization mode of broadband oscillator can be made to be easy to control to make, perpendicular polarization can be met, horizontal polarization, the antenna production requirement of the different polarization modes such as positive and negative 45 degree of polarization, the control in the polarization mode of the utility model broadband oscillator after antenna array just seems very easy.In addition, the frequency band of the utility model broadband oscillator can increase by the frequency range of 40% on original basis, can utilize again feed networking that oscillator is formed antenna array, improves the performance of each side.
The utility model adopts the know-why of wide band logarithm periodic antenna and biconical antenna, often organize on radiation fin 2 and have two groups of radiating surfaces 21, and the two groups of radiating surfaces 21 on each radiation fin 2 form one group of biconical antenna with two groups of radiating surfaces 21 on relative radiation sheet 2, form the feature of broadband and low standing wave, but also alleviate the weight of antenna oscillator.Detect through instrument, frequency range of the present utility model is 2.8G ~ 4.2G, and standing-wave ratio is less than or equal to 1.5.
Although the foregoing describe embodiment of the present utility model; but be familiar with those skilled in the art to be to be understood that; specific embodiment described by us is illustrative; instead of for the restriction to scope of the present utility model; those of ordinary skill in the art, in the modification of the equivalence done according to spirit of the present utility model and change, should be encompassed in scope that claim of the present utility model protects.
Claims (3)
1. a WiMax antenna broadband oscillator, it is characterized in that: described broadband oscillator comprises a column, the diameter of described column to lower and on increase gradually, described column comprises four armstands and connects the connecting portion of four armstand lower ends, gap is provided with between each adjacent armstand, also gap is provided with between each relative armstand, each armstand upper end is all outwards vertically extended with a radiation fin, gap is equipped with between each adjacent radiation fin and between each relative radiation fin, the angle, outer end of each described radiation fin is fillet, the both sides of each described radiation fin are respectively equipped with a radiating surface, each radiating surface is according to the principle design of logarithm periodic antenna, and two groups of radiating surfaces on each radiation fin and two groups of radiating surfaces on relative radiation sheet form one group of biconical antenna.
2. a kind of WiMax antenna broadband oscillator as claimed in claim 1, is characterized in that: described broadband oscillator is the broadband oscillator that kirsite is made.
3. a kind of WiMax antenna broadband oscillator as claimed in claim 1, it is characterized in that: in described four pieces of radiation fins, the inner end of two pieces of adjacent radiation fins is equipped with a feed connection bump, and the inner end of other two pieces of radiation fins is equipped with a cable-fed hole; Each feed connection bump respectively with the cable-fed Kong Weiyi group on relative radiation sheet, wherein the position in one group of feed connection bump and cable-fed hole, organizes low 1.9mm ~ 2.5mm than another; Described feed connection bump is connected by feed copper sheet with corresponding cable-fed hole, forms one group of half-wave doublet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420411564.XU CN204130691U (en) | 2014-07-24 | 2014-07-24 | A kind of WiMax antenna broadband oscillator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420411564.XU CN204130691U (en) | 2014-07-24 | 2014-07-24 | A kind of WiMax antenna broadband oscillator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204130691U true CN204130691U (en) | 2015-01-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420411564.XU Expired - Fee Related CN204130691U (en) | 2014-07-24 | 2014-07-24 | A kind of WiMax antenna broadband oscillator |
Country Status (1)
| Country | Link |
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| CN (1) | CN204130691U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105633559A (en) * | 2015-12-30 | 2016-06-01 | 中国电子科技集团公司第三十九研究所 | Spaceborne air coaxial feed line log periodic dipole antenna suitable for space environment |
-
2014
- 2014-07-24 CN CN201420411564.XU patent/CN204130691U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105633559A (en) * | 2015-12-30 | 2016-06-01 | 中国电子科技集团公司第三十九研究所 | Spaceborne air coaxial feed line log periodic dipole antenna suitable for space environment |
| CN105633559B (en) * | 2015-12-30 | 2018-05-04 | 中国电子科技集团公司第三十九研究所 | Suitable for the spaceborne air coaxial feeder log periodic dipole arrays of space environment |
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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: 20150128 Termination date: 20180724 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |