CN102456949B - Beam wave adjusting device for horn antenna - Google Patents
Beam wave adjusting device for horn antenna Download PDFInfo
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- CN102456949B CN102456949B CN201010509538.7A CN201010509538A CN102456949B CN 102456949 B CN102456949 B CN 102456949B CN 201010509538 A CN201010509538 A CN 201010509538A CN 102456949 B CN102456949 B CN 102456949B
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- horn antenna
- adjusting device
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- antenna
- guiding element
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Abstract
The invention discloses a beam wave adjusting device for a horn antenna. The horn antenna comprises an opening and a ring body surrounding the opening. The beam wave adjusting device comprises a metal conducting piece and a fixing piece, wherein the metal conducting piece is used for adjusting the width of a beam wave formed by the horn antenna according to the disc surface characteristic of a satellite antenna corresponding to the horn antenna; the fixing piece is used for fixing the metal conducting piece on the horn antenna; the satellite antenna is used for receiving a signal sent by the horn antenna. In the invention, the required width of the beam wave can be obtained on the basis of different disc surface designs under the condition that the size of a horn antenna mould is not changed, so that the received information quality is improved; and the beam wave adjusting device provided by the invention can also maintain the same width of the beam wave under the condition that the size of the opening of the horn antenna is shortened so that the disc surface designs are matched and the cost is effectively reduced.
Description
Technical field
The present invention relates to the whole tune device of a kind of bundle ripple, espespecially a kind of bundle ripple adjusting device that is used for adjusting the formed bundle wave width of a horn antenna.
Background technology
It is vast and be not subject to the advantages such as ground environment interference that satellite communication has coverage, is widely used in military affairs, detection and business telecommunication service, as satellite navigation, satellite voice broadcast service or satellite television broadcasting etc.Known satellite communication receiving device is by a dish-like reflecting surface (Dish Reflector) and a wave collecting device (Low Noise Block Down-converter with Feedhom, LNBF) form, wave collecting device is located at the focal position of dish-like reflecting surface, be used for receiving the radio wave signal that dish-like reflecting surface reflects, radio wave signal is downconverted to intermediate frequency, a satellite-signal processor that is resent to rear end carries out signal processing, makes masses can watch satellite television programming.
Wave collecting device is comprised of a horn antenna (Feedhom), a waveguide pipe (Waveguide) and a low noise frequency reducing amplifier (Low Noise Block Down-converter, LNB).Wherein, the signal that horn antenna is used for satellite antenna to reflect is collected and is guided into waveguide pipe, then exports low noise frequency reducing amplifier to.The function of horn antenna is except receiving satellite signal, and in different application, also can transmit (through dish-like reflecting surface reflection) is to satellite.
The reception quality good or not of satellite antenna and the setting position of horn antenna have considerable relation.For instance, the electromagnetic wave that horn antenna is sent by focal position reflects to satellite through dish-like reflecting surface.When horn antenna and focal position are slightly offset, the receivable signal of satellite antenna will reduce greatly.In fact, focal position normally represents according to the F/D focal length/diameter of dish face (Focal Length to Diameter ratio, F/D).It should be noted that whether the F/D focal length/diameter (being designated hereinafter simply as F/D value) of dish face and the collocation of the bundle wave width that horn antenna is launched can affect the receiving efficiency of satellite antenna.In other words, different F/D designs need the different bundle wave width of collocation, make satellite antenna can effectively receive the Shu Bo of horn antenna.For instance, the dish face design that the dish face design of F/D=0.6 is compared to F/D=0.4 needs the narrower Shu Bo of collocation bundle wave width, if the width of Shu Bo does not meet dish face design (as wide or narrow), can affect the reception usefulness of satellite antenna, and reduce the reception quality of satellite-signal.
Yet, not yet have in the market the relevant apparatus of the bundle wave width of adjusting horn antenna, so cannot promote the collocation designing from different dish faces.In addition, for the trend in response to miniaturization and reduce costs, at the beginning of product design, manufacturer all can exhaust one's ability by product design to minimizing.Therefore, how, under the size of dehiscing of horn antenna is dwindled, the design that can also reach the bundle wave width of the most suitably arranging in pairs or groups with dish face is also one of important issue.
Summary of the invention
Therefore, main purpose of the present invention is to provide a kind of bundle ripple adjusting device for horn antenna, is used for adjusting the bundle wave width that horn antenna is launched, to reach and the dish face of the satellite antenna usefulness of better arranging in pairs or groups.
The present invention discloses a kind of bundle ripple adjusting device for horn antenna, this horn antenna includes the ring body of dehiscing and dehiscing around this, this bundle ripple adjusting device includes: a metal guiding element, this metal guiding element is used for, according to the dish face feature of the corresponding satellite antenna of this horn antenna, adjusting the formed bundle wave width of this horn antenna; And a fixture, this fixture is used for fixing this metal guiding element in this horn antenna; Wherein, this satellite antenna is used for receiving the signal that this horn antenna is launched.
The present invention can not change under the condition of horn antenna die size for different dish face designs (as different F/D values), obtains required bundle wave width, to promote reception quality.Further, bundle ripple adjusting device of the present invention can maintain identical bundle wave width in the situation that the size of dehiscing of horn antenna is dwindled, and with the dish face design of arranging in pairs or groups, and effectively reduces costs.
Accompanying drawing explanation
Fig. 1 is that a branch of ripple adjusting device of the embodiment of the present invention is for the schematic diagram of a horn antenna.
Fig. 2～Fig. 5 is the schematic diagram of the bundle ripple adjusting device of various embodiments of the present invention.
Fig. 6 is that the bundle ripple adjusting device of Fig. 1 is for the schematic diagram of a waterproof mechanism assembly.
Fig. 7 is the bundle ripple schematic diagram that a horn antenna of the embodiment of the present invention does not use bundle ripple adjusting device.
Fig. 8 is the bundle ripple schematic diagram of the horn antenna of Fig. 1.
Fig. 9 is the bundle ripple schematic diagram of the horn antenna of Fig. 3.
Figure 10 is the comparison sheet of the bundle wave width of Fig. 7～Fig. 9.
Primary clustering symbol description:
10,20,30,40,50 bundle ripple adjusting devices
100 horn antennas
102 dehisce
104 ring bodies
200 waterproof mechanism assemblies
Embodiment
Please refer to Fig. 1, the schematic diagram of a branch of ripple adjusting device 10 that Fig. 1 is the embodiment of the present invention.Bundle ripple adjusting device 10 is for a horn antenna 100, and horn antenna 100 includes dehisces 102 and around dehiscing 102 ring body 104.In Fig. 1, bundle ripple adjusting device 10 is consisted of a metal guiding element (conductor), is used for according to the dish face feature of the corresponding satellite antenna of horn antenna 100 (not being shown in figure), adjusts the formed bundle wave width of horn antenna 100.Wherein, dish face feature can be F/D focal length/diameter.It should be noted that, the metal guiding element of bundle ripple adjusting device 10 can be quadrature cross, donut, point-like off-centre operation or radiation and the symmetrical geometry such as disperses, and can be arranged at by a fixture (not being shown in figure) 102 top, below or the isoplanar benchmark of dehiscing of horn antenna 100.Fixture is mainly for metal guiding element is fixed on to horn antenna 100, so long as be used for metal guiding element to be assembled in assembly or the mode of horn antenna 100, all belongs to category of the present invention.For instance, fixture can be a solder joint, is used for metal guiding element to be welded in the inwall of dehisce outer rim or the ring body 104 of horn antenna 100; Or can be from ring body 104 and extend to 102 the cylinder of dehiscing, for metal guiding element, be assembled in the top of cylinder, use and reach the function that metal guiding element is fixed on to horn antenna 100.In simple terms, the size of metal guiding element, shape or the position that is arranged on horn antenna 100 can change bundle wave width, therefore, the embodiment of the present invention is by the design of bundle ripple adjusting device 10, the bundle wave width of adjusting horn antenna 100 satellite antenna that is emitted to, to promote the signal receiving efficiency of satellite antenna, and reach best reception quality.Further, the embodiment of the present invention can make horn antenna 100 and different satellite antennas (as the dish face design of different F/D values) reach best collocation.
In Fig. 1, bundle ripple adjusting device 10 is an orthogonal polarization design, can reflect and extend electric field feedback path and concentrated electric current, to add the directive property of intense beam ripple, and reach bundle ripple concentrated effect, use avoid restrainting wave width excessive and cause part bundle ripple cannot be received situation occur, and then promote the receiving efficiency of satellite antenna.Wherein, orthogonal polarization design can be symmetrical or asymmetric quadrature (as length, width or height).In addition, the design of concentrating Shu Bo by bundle ripple adjusting device 10, also can be used to dwindle the size of dehiscing of horn antenna 100, and does not affect the collocation designing with dish face, and can reduce manufacturing cost.
From the above, in the situation that the size of dehiscing of horn antenna 100 is fixing, by bundle ripple adjusting device 10, can promote the collocation with dish face, to promote reception quality.On the other hand, in the situation that the size of dehiscing of horn antenna 100 dwindles, the bundle ripple adjusting device by the embodiment of the present invention can maintain or obtain better to restraint wave width, therefore, can effectively reduce the area of dehiscing of horn antenna 100, to increase the feasibility of installing with multiple satellite antenna.
It should be noted that, the bundle ripple adjusting device 10 of the embodiment of the present invention can be applicable to any type of horn antenna, as the horn antenna of the forms such as tapered (conical), pyramid (pyramidal), ripple type (corrugated), dielectric loading (dielectric-load), lens calibration (lens-corrected), medium (dielectric) or array (array), also or be applied in the different shapes of dehiscing, as square, circular, rectangle, rhombus or ellipse etc., and be not limited to this.
Therefore,, by the bundle ripple adjusting device of different shape, horn antenna 100 can obtain best antenna benefit in different operating frequencies.For instance, please refer to Fig. 2～Fig. 5, the schematic diagram of its bundle ripple adjusting device 20～50 that is various embodiments of the present invention.As shown in Figure 2, the metal guiding element of bundle ripple adjusting device 20 with dehisce 102 non-coplines and for radiation circular; As shown in Figure 3, the metal guiding element of bundle ripple adjusting device 30 with dehisce 102 coplines and be concentric ring-shaped; As shown in Figure 4, the metal guiding element of bundle ripple adjusting device 40 with dehisce 102 coplines and for discontinuous circular; And as shown in Figure 5, the metal guiding element of bundle ripple adjusting device 50 with dehisce 102 non-coplines and be off-centre operation shape.Therefore,, under the design of the bundle ripple adjusting device 30,40 shown in Fig. 3 and Fig. 4, can make high frequency compared with being difficult for losing coupling, cause restrainting the distortion of waveform shape in electric field reflection feedback.On the other hand, under the design of the bundle ripple adjusting device 20,50 shown in Fig. 2 and Fig. 5, can adjust bundle wave width for low frequency, intermediate frequency and high frequency, to reach the bundle wave width that meets dish face, and then reduce aerial loss, obtain the optimum value of antenna gain.In addition, the bundle ripple adjusting device 10,20,30,40,50 of the embodiment of the present invention also can reach the effectiveness of impedance matching, to reduce the reflection loss (Return Loss) of antenna.
According to above-mentioned, the bundle ripple adjusting device of the embodiment of the present invention, except can being arranged on 102 planes of dehiscing of horn antenna 100, also can being arranged on and dehiscing above or below in the of 102.For example, in Fig. 6, bundle ripple adjusting device 10 changes the waterproof mechanism assembly 200 being arranged on corresponding to horn antenna 100 into, as waterproof cover (Feed Cap).Further, bundle ripple adjusting device 10 can be electroplated on waterproof mechanism assembly 200 by plating mode, or when ejection formation is made, is included on waterproof mechanism assembly 200, also or with the sheet metal of oxygen copper-nickel alloy class is arranged on the machine-processed assembly 200 of waterproof.It should be noted that, except bundle ripple adjusting device 10, bundle ripple adjusting device 20,30,40,50 also can be applicable to waterproof mechanism assembly 200, and is not limited to this.
Please continue to refer to Fig. 7～Fig. 9, it is respectively horn antenna 100 under the operating frequency of 10.7GHz, and do not use any bundle ripple adjusting device, use bundle ripple adjusting device 10, and the bundle ripple schematic diagram that uses bundle ripple adjusting device 30.From Fig. 7～Fig. 9, when ripple adjusting device is not restrainted in installing, the bundle wave width of horn antenna 100 is wider; And comparison diagram 8, Fig. 9 also can be learnt, in the bundle wave width at 10dB place, use the bundle wave width of bundle ripple adjusting device 10 of just cross design comparatively concentrated, use the bundle wave width of bundle ripple adjusting device 30 of donut design wider.Separately please refer to Figure 10, the comparison sheet of the bundle wave width that it is Fig. 7～Fig. 9.As shown in Figure 10, be compared to the horn antenna 100 that does not use any bundle ripple adjusting device, the bundle wave width that uses bundle ripple adjusting device 10 by 80.22 original degree (by level, vertical and 45 degree direction measurements to the mean value of bundle wave width) be contracted to 69.35 degree, the dish face that more meets F/D=0.6 designs; And use the bundle wave width of bundle ripple adjusting device 30 can be amplified to 92.66 degree, more meet the dish face design of F/D=0.4.Hence one can see that, by the design of bundle ripple adjusting device, can make the bundle wave width of horn antenna 100 at 10dB place, do positive and negative 15 adjustment of spending.It should be noted that the embodiment of the present invention dehisces under the situation of size or die sinking size not changing horn antenna, i.e. capable of regulating bundle wave width and more meet satellite antenna characteristic.
In sum, be compared to known technology and cannot adjust bundle wave width, and cannot reach the best arranging effect with dish face, cause reception quality not good.Embodiments of the invention can not changed under the condition of horn antenna die size for different dish face designs (as different F/D values), obtain required bundle wave width, to promote reception quality.Further, the bundle ripple adjusting device of the embodiment of the present invention can maintain identical bundle wave width in the situation that the size of dehiscing of horn antenna is dwindled, and with the dish face design of arranging in pairs or groups, and effectively reduces costs.
The foregoing is only preferred embodiment of the present invention, every equalization of doing according to the scope of the claims in the present invention book changes and modifies, and all should belong to covering scope of the present invention.
Claims (6)
1. for a bundle ripple adjusting device for horn antenna, this horn antenna comprises a ring body of dehiscing and dehiscing around this, and this bundle ripple adjusting device comprises:
One metal guiding element, this metal guiding element is used for, according to the dish face feature of the corresponding satellite antenna of this horn antenna, adjusting the formed bundle wave width of this horn antenna; And
One fixture, this fixture is used for fixing this metal guiding element in this horn antenna;
Wherein, this satellite antenna is used for receiving the signal that this horn antenna is launched;
Wherein, this fixture is used for this metal guiding element to be welded in dehisce outer rim or the inner wall of ring body of this horn antenna;
Wherein, this metal guiding element be arranged at this horn antenna this dehisce above or below.
2. bundle ripple adjusting device as claimed in claim 1, wherein this dish face is characterized as F/D focal length/diameter.
3. bundle ripple adjusting device as claimed in claim 1, wherein this metal guiding element is arranged on should this waterproof mechanism assembly of dehiscing of horn antenna.
4. bundle ripple adjusting device as claimed in claim 3, wherein this metal guiding element is to be plated on this waterproof mechanism assembly with conductive film form, or is arranged on this waterproof mechanism assembly with sheet metal form.
5. bundle ripple adjusting device as claimed in claim 1, wherein this metal guiding element is shaped as symmetrical geometry.
6. bundle ripple adjusting device as claimed in claim 5, wherein this geometry is that quadrature cross, donut, point-like off-centre operation or radiation such as disperse at the shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010509538.7A CN102456949B (en) | 2010-10-18 | 2010-10-18 | Beam wave adjusting device for horn antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010509538.7A CN102456949B (en) | 2010-10-18 | 2010-10-18 | Beam wave adjusting device for horn antenna |
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| Publication Number | Publication Date |
|---|---|
| CN102456949A CN102456949A (en) | 2012-05-16 |
| CN102456949B true CN102456949B (en) | 2014-10-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010509538.7A Active CN102456949B (en) | 2010-10-18 | 2010-10-18 | Beam wave adjusting device for horn antenna |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| TWI766633B (en) * | 2020-11-18 | 2022-06-01 | 稜研科技股份有限公司 | Broadband linear polarization antenna structure |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4042935A (en) * | 1974-08-01 | 1977-08-16 | Hughes Aircraft Company | Wideband multiplexing antenna feed employing cavity backed wing dipoles |
| US6943744B1 (en) * | 2003-07-09 | 2005-09-13 | Patriot Antenna Systems, Inc. | Waveguide diplexing and filtering device |
| CN2896561Y (en) * | 2006-04-19 | 2007-05-02 | 启碁科技股份有限公司 | Batterfly-shape antenna feed |
| CN101656353A (en) * | 2008-08-21 | 2010-02-24 | 百一电子股份有限公司 | Linearly polarized antenna |
-
2010
- 2010-10-18 CN CN201010509538.7A patent/CN102456949B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4042935A (en) * | 1974-08-01 | 1977-08-16 | Hughes Aircraft Company | Wideband multiplexing antenna feed employing cavity backed wing dipoles |
| US6943744B1 (en) * | 2003-07-09 | 2005-09-13 | Patriot Antenna Systems, Inc. | Waveguide diplexing and filtering device |
| CN2896561Y (en) * | 2006-04-19 | 2007-05-02 | 启碁科技股份有限公司 | Batterfly-shape antenna feed |
| CN101656353A (en) * | 2008-08-21 | 2010-02-24 | 百一电子股份有限公司 | Linearly polarized antenna |
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| CN102456949A (en) | 2012-05-16 |
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