CN103595462B - KU BAND satellite low noise blocks - Google Patents
KU BAND satellite low noise blocks Download PDFInfo
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- CN103595462B CN103595462B CN201310576784.8A CN201310576784A CN103595462B CN 103595462 B CN103595462 B CN 103595462B CN 201310576784 A CN201310576784 A CN 201310576784A CN 103595462 B CN103595462 B CN 103595462B
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- electromagnetic horn
- nosing
- waveguide
- horn feed
- low noise
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Abstract
The invention discloses a kind of satellite low noise block, including electromagnetic horn feed and waveguide, the electromagnetic horn feed is set up separately with waveguide and is fixedly connected by connecting portion；Dielectric material its dielectric coefficient for preparing that the electromagnetic horn feed adopted is for 2 2.5.The electromagnetic horn feed head cross section is provided with circle or oval nosing, nosing height≤1/4 wavelength, nosing width >=0.5 millimeter, the nosing discrepancy in elevation≤1/4 wavelength, nosing spacing≤1/8 wavelength for circular or oval, head end.The electromagnetic horn feed is made using plastics dielectric material.The waveguide and electromagnetic horn feed is each side by side is connected with 28 to realize while receiving corresponding 28 satellite-signals against contact.The present invention manufactures easy to use, low cost, can receive more than two angle difference satellite-signals simultaneously.
Description
Technical field
The present invention relates to a kind of satellite signal receiving apparatus, more particularly to a kind of KU-BAND satellite low noise blocks.
Background technology
Nowadays, by satellite transmission communication signal, especially broadcast television signal application is very extensive.Satellite-signal connects
Receiving apparatus be satellite low noise block be satellite signal transit VS .NET Prerequisites device, sending and receiving for satellite-signal be required for the dress
Put.Conventional KU-BAND satellite low noise blocks include electromagnetic horn feed and waveguide, and circuit arrangement.Existing KU-BAND is defended
Star tuner, its electromagnetic horn feed and waveguide are an entirety as shown in Figure 1, are made with metal material, and volume and weight is all
Than larger, complex structure, manufacture is inconvenient, high cost；More than two angle differences are received simultaneously can not（Less than 3 degree）Satellite is believed
Number, in-convenience in use；And service life is low, flexibility ratio is poor.
The content of the invention
The technical problem to be solved in the present invention be to provide it is a kind of manufacture easy to use, low cost, can at the same receive two with
The KU-BAND satellite low noise blocks of upper angle difference satellite-signal.
In order to solve above-mentioned technical problem, the KU-BAND satellite low noise blocks of the present invention, including electromagnetic horn feed and ripple
Lead, the electromagnetic horn feed is set up separately with waveguide and is fixedly connected by connecting portion；Prepare the electromagnetic horn feed to be adopted
Dielectric material its dielectric coefficient be 2-2.5.
The electromagnetic horn feed head cross section is provided with circle or oval nosing, nosing for circular or oval, head end
Highly≤1/4 wavelength, nosing width >=0.5 millimeter, the nosing discrepancy in elevation≤1/4 wavelength, nosing spacing≤1/8 wavelength.
The waveguide and electromagnetic horn feed is each side by side is connected with 2-8 to realize receiving simultaneously accordingly against contact
2-8 satellite-signal.
The electromagnetic horn feed is rectangle with the connecting portion of waveguide, and the connecting portion of electromagnetic horn feed is rectangular cylinder,
The connecting portion of waveguide is rectangular cavity, in the connecting portion of the connecting portion insertion waveguide of electromagnetic horn feed.
The electromagnetic horn feed is made using plastics dielectric material.
Using the structure of the present invention, as electromagnetic horn feed is arranged with waveguide split, the electromagnetic horn feed is prepared
, for 2-2.5, especially with plastics dielectric material, simple structure is easily manufactured, material for the dielectric material for being adopted its dielectric coefficient
Material is consumed less, low price, low cost；Miniaturization and lightweight can be realized；The defect that signal can be overcome to interfere, therefore
Waveguide and electromagnetic horn feed each can be connected with more than 2 against contact side by side, little can receive more than two simultaneously
Differential seat angle satellite-signal, and can be with flexible assembling, carrying is used and is all facilitated, you can with by matching transmission waveguide and loudspeaker day
Line feed number of combinations is equal to receive more than two angle difference satellite-signals simultaneously, also individually matching transmission waveguide can realize
The reception of one satellite-signal, is fully able to meet active user while receiving the need of more than two angle difference satellite-signals
Will；Due to using plastics dielectric material and split modular structure, can conveniently replace use, long service life.Present invention knot
Structure is simple, compact, light.If necessary to receive more than two angle difference satellite-signals simultaneously, can be with flexible assembling, loudspeaker day
Line feed is mutually juxtaposed the contact surface against contact can be compact conformation after assembling, light for plane, and reception is good.It is exactly
When independent matching transmission waveguide receives a satellite-signal, its reception is also suitable with the tuner of prior art, can replace
The tuner of prior art, such as Jing test comparison are changed, the tuner of existing metal electromagnetic horn feed, gain are generally 11-
General 25 dB of ＞ of 14dB, polarization isolation, standing-wave ratio are typically≤1.5, the corresponding lobes of -10dB are wide is generally 75 ± 10；This
Bright tuner, gain are 13dB or so, 30 dB of polarization isolation or so, the corresponding lobe of standing-wave ratio 1.1-1.35, -10dB
Width can be adjusted according to covering, wherein, the best results when the dielectric coefficient of dielectric material is 2.25.
Description of the drawings
Fig. 1 is the structural representation of the prior art of the present invention；
Fig. 2 is the structural representation of the present invention；
Fig. 3 is the structural representation of the electromagnetic horn feed of the present invention；
Fig. 4 is the structural representation that multiple satellite low noise blocks of the invention are assembled side by side；
Fig. 5 is the electromagnetic horn feed axonometric chart of the present invention.
Specific embodiment
The present invention is described in detail with reference to the accompanying drawings and detailed description：
As shown in Fig. 2 the KU-BAND satellite low noise blocks of the present invention include electromagnetic horn feed 1 and waveguide 2.Electromagnetic horn
Feed 1 is set up separately with waveguide 2 and is fixedly connected by connecting portion.Dielectric material its Jie for preparing that the electromagnetic horn feed adopted
Electrostrictive coefficient is 2-2.5, it is preferred to use plastics dielectric material, the dielectric coefficient preferably 2.25 of dielectric material.
Used as preferred structure, electromagnetic horn feed head cross section is provided with circle or ellipse for circular or oval, head end
Nosing, nosing highly might be less that 1/4 wavelength for 1/4 wavelength, and nosing width is 0.5 millimeter and can also be more than 0.5 millimeter, dashes forward
1/4 wavelength is might be less that for 1/4 wavelength along the discrepancy in elevation, nosing spacing might be less that 1/8 wavelength for 1/8 wavelength.Can so carry
High RST reception.As shown in figure 3, best structure is：Its adjacent peripheral process is less than by paracentral one circle nosing position
Along position；With by paracentral one circle nosing 5 it is adjacent around two circle nosings be the second nosing 4 and 3 positions of the 3rd nosing it is identical；
Around adjacent with paracentral one circle nosing is leaned on, the peripheral nosing positions of two circle nosings reduce successively, and its reception is optimal.
The structure of change, structure as shown in Figure 4 etc. can certainly be adopted.
As shown in Fig. 2 electromagnetic horn feed can be fixedly connected by inserting mode with waveguide.Can also be normal using other
Connected with the mode of being fixedly connected.Preferred version is, as shown in figure 5, the connecting portion of electromagnetic horn feed and waveguide is rectangle, loudspeaker
The connecting portion of antenna feed is rectangular cylinder, and the connecting portion of waveguide is rectangular cavity, the connecting portion insertion waveguide of electromagnetic horn feed
Connecting portion in.Electromagnetic horn feed can also adopt other shapes, such as circular, interior hexagonal, interior anise with the connecting portion of waveguide
Deng.
As shown in figure 4, the present invention can realize miniaturization, can be with flexible assembling, to receive more than two low-angles simultaneously
Difference satellite-signal, you can to abut contact connect setting, electromagnetic horn side by side by more than two waveguides and electromagnetic horn feed each
When feed head cross section is circle electromagnetic horn feed be mutually juxtaposed the contact surface against contact can be for plane, electromagnetic horn feedback
Source cross section for it is oval when can also need not face to contact, quantity can be 2, it is possibility to have 2-8 or even 8 with
On, disclosure satisfy that current while receiving corresponding more than two angle differences（Less than 3 degree）The needs of satellite-signal.From currently at most
Exist（Less than 3 degree）From the point of view of being actually needed of satellite-signal, Jing tests, its reception are complete
Needs can be met.And prior art cannot realize the purpose.When realizing that many satellite-signal integrations are received, can cut in right amount
Except the common joint face of electromagnetic horn feed is that face contacts or by electromagnetic horn feed maximum transversal anchor ring product equivalentization ellipse
Manage and realize, processing mode is versatile and flexible, and this spline structure is compacter, and do not have signal and interfere.And, it is many when needing
When individual satellite low noise block is combined, its waveguides sections can be made and using all simple and convenient, can also be saved material with global formation
Material, raising efficiency, reduces cost.Single satellite-signal can certainly be received.
In order to further improve reception, while and reduce material consumption and weight, it is easy to processing, electromagnetic horn feed
Connecting portion be provided with the cylindrical cavity 6 of insertion end face.Multistage echelon cylindrical cavity can be set.
For the ease of hand-held, easy to loading and unloading, while also material-saving, the side of the electromagnetic horn feed is provided with depression,
As shown in Figure 5.Depression can be provided with a side wherein, it is also possible to while depression is provided with multiple sides.
Claims (8)
1. a kind of KU-BAND satellite low noise blocks, including electromagnetic horn feed（1）And waveguide（2）, it is characterised in that：The loudspeaker
Antenna feed（1）With waveguide（2）Set up separately and be fixedly connected by connecting portion；Prepare the medium adopted by the electromagnetic horn feed
Its dielectric coefficient of material is 2-2.5；The electromagnetic horn feed head cross section is provided with circular or ellipse for circular or oval, head end
Circular nosing, nosing height≤1/4 wavelength, nosing width >=0.5 millimeter, the nosing discrepancy in elevation≤1/4 wavelength, nosing spacing≤1/8
Wavelength；The waveguide and electromagnetic horn feed is each is connected with more than 2 to realize against contact while receiving corresponding 2 side by side
Satellite-signal of the individual above differential seat angle less than 3 degree；By paracentral one circle nosing position less than its adjacent peripheral process along position；With
By paracentral one circle nosing（5）Around adjacent, two circle nosings are the second nosing（4）With the 3rd nosing（3）Position is identical；With
By paracentral one circle nosing it is adjacent around two circle nosings peripheral nosing positions reduce successively；The electromagnetic horn feed phase
Mutually the contact surface side by side against contact is plane.
2. KU-BAND satellite low noise blocks according to claim 1, it is characterised in that：The electromagnetic horn feed and waveguide
It is fixedly connected by inserting mode.
3. KU-BAND satellite low noise blocks according to claim 2, it is characterised in that：The electromagnetic horn feed and waveguide
Connecting portion be rectangle, the connecting portion of electromagnetic horn feed is rectangular cylinder, and the connecting portion of waveguide is rectangular cavity, electromagnetic horn feedback
In the connecting portion of the connecting portion insertion waveguide in source.
4. KU-BAND satellite low noise blocks according to claim 1 or 2 or 3, it is characterised in that：The waveguide and loudspeaker day
Line feed is each to be connected with 2-8 to realize while receiving corresponding 2-8 satellite-signal against contact side by side.
5. KU-BAND satellite low noise blocks according to claim 1 or 2 or 3, it is characterised in that：The electromagnetic horn feed
Connecting portion be provided with the cylindrical cavity of insertion end face（6）.
6. KU-BAND satellite low noise blocks according to claim 1 or 2 or 3, it is characterised in that：The electromagnetic horn feed
Side be provided with depression.
7. KU-BAND satellite low noise blocks according to claim 1 or 2 or 3, it is characterised in that：The electromagnetic horn feed
Made using plastics dielectric material.
8. KU-BAND satellite low noise blocks according to claim 1, it is characterised in that：It is described to set against contact connection side by side
Put waveguide global formation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310576784.8A CN103595462B (en) | 2013-11-19 | 2013-11-19 | KU BAND satellite low noise blocks |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310576784.8A CN103595462B (en) | 2013-11-19 | 2013-11-19 | KU BAND satellite low noise blocks |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103595462A CN103595462A (en) | 2014-02-19 |
| CN103595462B true CN103595462B (en) | 2017-03-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310576784.8A Active CN103595462B (en) | 2013-11-19 | 2013-11-19 | KU BAND satellite low noise blocks |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108281751A (en) * | 2018-03-22 | 2018-07-13 | 陕西维萨特科技股份有限公司 | A kind of high performance microwave splash plate feed source antenna |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4963878A (en) * | 1986-06-03 | 1990-10-16 | Kildal Per Simon | Reflector antenna with a self-supported feed |
| CN201365249Y (en) * | 2009-02-18 | 2009-12-16 | 深圳翔成电子科技有限公司 | KU band binary multi-output satellite low noise block |
| CN201365248Y (en) * | 2009-02-18 | 2009-12-16 | 深圳翔成电子科技有限公司 | Double output circular polarization satellite low noise block |
| CN202282441U (en) * | 2010-10-14 | 2012-06-20 | 佛山市健博通电讯实业有限公司 | Dual-polarized parabolic antenna feed source |
| CN203554440U (en) * | 2013-11-19 | 2014-04-16 | 郴州希典科技有限公司 | Ku-band satellite LNB |
-
2013
- 2013-11-19 CN CN201310576784.8A patent/CN103595462B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4963878A (en) * | 1986-06-03 | 1990-10-16 | Kildal Per Simon | Reflector antenna with a self-supported feed |
| CN201365249Y (en) * | 2009-02-18 | 2009-12-16 | 深圳翔成电子科技有限公司 | KU band binary multi-output satellite low noise block |
| CN201365248Y (en) * | 2009-02-18 | 2009-12-16 | 深圳翔成电子科技有限公司 | Double output circular polarization satellite low noise block |
| CN202282441U (en) * | 2010-10-14 | 2012-06-20 | 佛山市健博通电讯实业有限公司 | Dual-polarized parabolic antenna feed source |
| CN203554440U (en) * | 2013-11-19 | 2014-04-16 | 郴州希典科技有限公司 | Ku-band satellite LNB |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103595462A (en) | 2014-02-19 |
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Effective date of registration: 20180815 Address after: 423038 Gauss, Baer Industrial Park, Guan Shan cave street, Suxian District, Chenzhou, Hunan Patentee after: GOSPELL DIGITAL TECHNOLOGY Co.,Ltd. Address before: 423000 Gauss Baer Industrial Park, Bailu Tang, Suxian District, Chenzhou, Hunan Patentee before: CHENZHOU XIDIAN TECHNOLOGY Co.,Ltd. |
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Effective date of registration: 20230508 Address after: 201, 301, Building 6, Changchong Innovation and Entrepreneurship Park, No. 1609, the Nanling Mountain Avenue, Chenzhou City, Hunan Province, 423000 Patentee after: Chenzhou Shitong Technology Co.,Ltd. Address before: 423038 Gauss, Baer Industrial Park, Guan Shan cave street, Suxian District, Chenzhou, Hunan Patentee before: GOSPELL DIGITAL TECHNOLOGY Co.,Ltd. |
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