CN102882012A - Wall-hung or horizontally-laid flat satellite television antenna - Google Patents
Wall-hung or horizontally-laid flat satellite television antenna Download PDFInfo
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- CN102882012A CN102882012A CN2012103412803A CN201210341280A CN102882012A CN 102882012 A CN102882012 A CN 102882012A CN 2012103412803 A CN2012103412803 A CN 2012103412803A CN 201210341280 A CN201210341280 A CN 201210341280A CN 102882012 A CN102882012 A CN 102882012A
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- power divider
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Abstract
The invention relates to a satellite television antenna, in particular to a wall-hung or horizontally-laid flat satellite television antenna with low cost and profile. An external conductor at the connection end of an input coaxial cable is connected to a metal wall of the input side of a power distributor; an internal conductor at the connection end of the input coaxial cable penetrates an inner cavity of the power distributor to be connected to a metal wall of the output side of the power distributor; the signal input end of each antenna unit is connected with the internal conductor at the connection end of an output coaxial cable and penetrates the inner cavity of the power distributor to be connected to a metal wall of the input side of the power distributor; and the external conductor at the connection end of each output coaxial cable is hung in the air. According to the wall-hung or horizontally-laid flat satellite television antenna, the array of the satellite television antenna is planarized by using multiple layers of power distributor networks matched with one another; and the pattern beam of the antenna points to the direction of the satellite by the phase setting of the power distributor networks when the antenna array is wall-hung or horizontally laid. Furthermore, the design can change the direction of the working beam of the antenna array, is simple and flexible and can be applicable to various application occasions.
Description
Technical field
The present invention relates to a kind of satellite tv antenna, a kind of low cost is hanged down the wall built-up of section or is kept flat dull and stereotyped satellite tv antenna specifically.
Background technology
Wall built-up or to keep flat dull and stereotyped satellite tv antenna be a kind ofly by means of the printed circuit board mode, to manufacture aerial array and power divider, overlap to form cavity with multilayer circuit board, with the internal electromagnetic field distribution of cavity inside and extract the distribution technique of the microwave power of power at elect magnetic field.The antenna array scheme that this technology is low as a kind of loss, cost is low, section is low, simple in structure, can extensive use in various microwaves and antenna system.Satellite tv antenna generally realizes in the mode of reflection paraboloid, and its size is large, on pitching and two, orientation angle, higher installation accuracy requirement is arranged, and outdoor, is subject to the antenna impact such as wind and rain.The implementation of power divider generally can be divided into waveguide power divider, coaxial line power splitter and microstrip power divider, mainly by the circuit types of microwave power distributor, is classified.The waveguide power divider Insertion Loss is little, bandwidth, but cost is high and size is large; Coaxial power splitter isolation poor performance, in microwave circuit, application form is limited; The microstrip power divider Insertion Loss is large.
Existing satellite tv antenna is widely used, but along with the needs of technological progress and productive life, more and more higher to the dimensional requirement of the mounting means of satellite tv antenna and position, volume area, meets requirement very difficult of this two aspect simultaneously.
Summary of the invention
Technical problem to be solved by this invention is, overcomes the shortcoming of prior art, a kind of wall built-up is provided or keeps flat dull and stereotyped satellite tv antenna, simple installation, cost is low, and low section, solve with simple structure the deficiency that insertion loss is large, angle requirement in installation site is high and the volume area size is large.
The technical scheme that the present invention solves above technical problem is
Wall built-up or keep flat dull and stereotyped satellite tv antenna, comprise an input coaxial line, a power divider, N root output coaxial cable and the aerial array formed by N antenna element, N is more than or equal to 1 integer, input coaxial line and output coaxial cable all have inner wire and outer conductor, the input coaxial line all has the link that is connected power divider and the signal end that is connected external equipment with output coaxial cable, antenna element has signal input part, power divider has inner chamber, be positioned at the input side metallic walls of inner chamber one side and the outlet side metallic walls that be positioned at inner chamber opposite side relative with the input side metallic walls, be filled with medium in inner chamber, the link outer conductor of input coaxial line is connected to the input side metallic walls of power divider, and the link inner wire of input coaxial line connects the outlet side metallic walls of power divider through the power divider inner chamber, the signal input part of each antenna element connects the link inner wire of an output coaxial cable, and is connected to the input side metallic walls of power divider through the power divider inner chamber, and the link outer conductor of each output coaxial cable is unsettled.
Can use the stacked formation power divider of multilayer printed board circuit metallic cavity, the field distribution structure of power divider metallic cavity inside is mainly jointly to be determined by the operating frequency of the geometry mechanism of metallic cavity and microwave, by the different power divider metallic cavity geometry of design on definite operating frequency, can obtain the field distribution of definite inside cavity; Input coaxial line port is set on the peaked position of field distribution, the port of output coaxial cable is set at the correspondence position of other field distribution, can obtain corresponding power stage; With the setting of the length of the cavity of each branch road of power divider, the pair array output is that antenna element carries out phase configuration, can realize the control of the beam position of planar antenna array.
Like this, with the form of printed circuit board, realize that aerial array and power divide the multilayer laminated structure of device, realize low-cost, the dull and stereotyped satellite tv antenna of section; The control of beam position simultaneously can be placed in the mode of wall hanging or level dull and stereotyped satellite tv antenna.
The technical scheme that the present invention further limits is:
Aforesaid wall built-up or keep flat dull and stereotyped satellite tv antenna, the medium of filling in inner chamber is air.For the synthetic total reception signal of the satellite TV signal that aerial array is received, the filling air dielectric of power divider inner chamber is realized low loss characteristic.
Aforesaid wall built-up or keep flat dull and stereotyped satellite tv antenna, aerial array is by the circular polarized antenna cell formation of spiral form
.
Aforesaid wall built-up or keep flat dull and stereotyped satellite tv antenna, power divider is equipped with the cavity that forms different length by printed circuit board, and the port be connected with antenna element with diverse location.The manufacture of printed circuit board realizes low-cost characteristic.The length relativeness of each branch road cavity of power divider has determined can wall hanging or the characteristic of one-storey house.
Aforesaid wall built-up or keep flat dull and stereotyped satellite tv antenna, aerial array is assemblied to form by N antenna element, or with the integrated antenna array structure of printed circuit board technology processing.
Aforesaid wall built-up or keep flat dull and stereotyped satellite tv antenna, power divider forms layer structure by one deck cuboid power splitter at least, and the cavity cross-section that each cuboid power splitter has is rectangle, the inner air dielectric of filling of each cuboid cavity of power distributor.
Aforesaid wall built-up or keep flat dull and stereotyped satellite tv antenna, at least one deck cuboid power splitter that aerial array has as independent one deck and power divider is with the form multiple-layer overlapped of planar structure.With the form realization of multilayer laminated printed circuit board, for the reception of satellite TV signal, stacked version realizes the slab construction characteristic, realizes low section characteristic.
Aforesaid wall built-up or keep flat dull and stereotyped satellite tv antenna, aerial radiation beam position or normal direction beam position that the phase configuration of aerial array is pitching 45 degree.
The invention has the beneficial effects as follows:
The present invention does not use complex structure, and price is corresponding low with waveguide, and the micro-band of the corresponding use of loss is low, thereby has simplified the structure of power splitter, and takes full advantage of the characteristics of air microstrip circuit, thereby has greatly promoted performance and expanded application; Due to the phase configuration of the present invention by the length control antenna array element of each cavity of control power splitter, therefore change the beam position of control antenna array easily, simple and flexible, can adapt to various application occasions simultaneously;
The present invention adopts based on printed board manufacturing technology and technique, with multilayer laminated version, manufacture aerial array and power divider network, without adopting the relatively high waveguide of price, only adopt common printed circuit engineering, cost can control to very low, thus the application of extended antenna technology greatly;
The present invention adopts the multilayer laminated version of printed board system, manufacture aerial array and power divider network, cost can aerial array section height control to very lowly, can reduce the installing space of antenna and installing space and the physical dimension of physical dimension, be convenient to transportation and install.
The accompanying drawing explanation
Fig. 1 is antenna element schematic diagram of the present invention.
Fig. 2 is the structural representation of aerial array of the present invention.
Fig. 3 is the schematic diagram that the embodiment of the present invention 1 antenna element independently is spliced into aerial array.
Fig. 4 is the structural representation of the integrated antenna array of the embodiment of the present invention 2 printed circuit board technology processing.
Fig. 5 a is the structural representation that the embodiment of the present invention 1 power distributing network is realized the normal direction wave beam.
Fig. 5 b is the connection diagram that the embodiment of the present invention 1 power distributing network is realized the normal direction wave beam.
Fig. 6 a is the structural representation that the embodiment of the present invention 2 power distributing networks are realized pitching 45 degree wave beams.
Fig. 6 b is the connection diagram that the embodiment of the present invention 2 power distributing networks are realized pitching 45 degree wave beams.
Embodiment
Embodiment 1
The present embodiment is a kind of wall built-up or keeps flat dull and stereotyped satellite tv antenna, comprise an input coaxial line 11, a multilayer laminated structure the power divider network (1211,1212,1213 ... 1213N) and N antenna element (1311,1312 ... aerial array 131N) built, antenna array structure is as shown in Figure 2; Power divider forms layer structure by multilayer layer cuboid power splitter, the cavity cross-section that each cuboid power splitter has is rectangle, the inner air dielectric of filling of each cuboid cavity of power distributor, the multilayer laminated structure of power divider forms inner chamber, being positioned at internal chamber wall is all metallic walls, being positioned at inner chamber one side is the input side metallic walls, the be positioned at inner chamber opposite side relative with the input side metallic walls is the outlet side metallic walls, be filled with medium in inner chamber, aerial array is the form multiple-layer overlapped with planar structure as independent one deck and power division; Input coaxial line and output coaxial cable all have inner wire and outer conductor, and the input coaxial line all has the link that is connected power divider and the signal end that is connected external equipment with output coaxial cable, and antenna element has signal input part; The link inner wire of input coaxial line connects the outlet side metallic walls of power divider through the power divider inner chamber; The signal input part of each antenna element connects the link inner wire of an output coaxial cable, and is connected to the input side metallic walls of power divider through the power divider inner chamber, and the link outer conductor of each output coaxial cable is unsettled.
The antenna element of the present embodiment as shown in Figure 1, process separately by antenna element, and independent assembling, form aerial array, as shown in Figure 3; The power divider network ruton is crossed the equipped cavity that forms of printed circuit board, by printed board technique, carries out moulding, plating and equipped, crosses the equipped cavity that forms different length of printed circuit board, and the port be connected with antenna element with diverse location.
The dull and stereotyped satellite tv antenna of the low section of the low cost of the present embodiment, the phase place forming method of the antenna array unit that the interior cavity length of each branch road of power divider configures is to beam position, and as shown in Fig. 5 a and 5b, air dielectric is filled in cavity of power distributor inside.
The present embodiment is that the power divider network that utilizes multilayer to coordinate makes the satellite tv antenna array plane, and realize aerial array in the situation that wall hanging is placed or horizontal positioned by the phase place setting of power distributing network, the directional diagram wave beam of antenna is aimed at satellite direction, change the sensing variation that design can realize the work wave beam of aerial array, simple and flexible, can adapt to various application occasions.
Embodiment 2
The present embodiment is a kind of wall built-up or keeps flat dull and stereotyped satellite tv antenna, comprise an input coaxial line 11, a multilayer laminated structure the power divider network (1211,1212,1213 ... 1213N) and N antenna element (1311,1312 ... aerial array 131N) built, antenna array structure is as shown in Figure 2; Power divider forms layer structure by multilayer layer cuboid power splitter, the cavity cross-section that each cuboid power splitter has is rectangle, the inner air dielectric of filling of each cuboid cavity of power distributor, the multilayer laminated structure of power divider forms inner chamber, being positioned at internal chamber wall is all metallic walls, being positioned at inner chamber one side is the input side metallic walls, the be positioned at inner chamber opposite side relative with the input side metallic walls is the outlet side metallic walls, be filled with medium in inner chamber, aerial array is the form multiple-layer overlapped with planar structure as independent one deck and power division; Input coaxial line and output coaxial cable all have inner wire and outer conductor, and the input coaxial line all has the link that is connected power divider and the signal end that is connected external equipment with output coaxial cable, and antenna element has signal input part; The link inner wire of input coaxial line connects the outlet side metallic walls of power divider through the power divider inner chamber; The signal input part of each antenna element connects the link inner wire of an output coaxial cable, and is connected to the input side metallic walls of power divider through the power divider inner chamber, and the link outer conductor of each output coaxial cable is unsettled.
The whole printed board processing of the aerial array of the present embodiment, be connected in the mode of welding with the metal cylinder both sides with the output of power divider network during assembling, as shown in Figure 4; The power divider network ruton is crossed the equipped cavity that forms of printed circuit board, by printed board technique, carries out moulding, plating and equipped, crosses the equipped cavity that forms different length of printed circuit board, and the port be connected with antenna element with diverse location.
The dull and stereotyped satellite tv antenna of the low section of the low cost of the present embodiment, the phase place of the antenna array unit that the interior cavity length of each branch road of power divider configures forms the beam position of pitching 45 degree, as shown in Fig. 6 a and 6b, the inner air dielectric of filling of cavity of power distributor.
The present embodiment is that the power divider network that utilizes multilayer to coordinate makes the satellite tv antenna array plane, and realize aerial array in the situation that wall hanging is placed or horizontal positioned by the phase place setting of power distributing network, the directional diagram wave beam of antenna is aimed at satellite direction, change the sensing variation that design can realize the work wave beam of aerial array, simple and flexible, can adapt to various application occasions.
In addition to the implementation, the present invention can also have other execution modes.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection range of requirement of the present invention.
Claims (8)
1. wall built-up or keep flat dull and stereotyped satellite tv antenna, comprise an input coaxial line (11), a power divider, N root output coaxial cable and by N antenna element (1311, 1312, 1313 ... aerial array 131N) formed, described N is more than or equal to 1 integer, described input coaxial line and output coaxial cable all have inner wire and outer conductor, described input coaxial line all has the link that is connected power divider and the signal end that is connected external equipment with output coaxial cable, described antenna element (1311, 1312, 1313 ... 131N) there is signal input part, described power divider has inner chamber, be positioned at the input side metallic walls of inner chamber one side and the outlet side metallic walls that be positioned at inner chamber opposite side relative with the input side metallic walls, be filled with medium in described inner chamber, it is characterized in that: the link outer conductor of described input coaxial line is connected to the input side metallic walls of described power divider, and the link inner wire of described input coaxial line connects the outlet side metallic walls of described power divider through described power divider inner chamber, described each antenna element (1311,1312,1313 ... signal input part 131N) all connects the link inner wire of an output coaxial cable, and passing the input side metallic walls that described power divider inner chamber is connected to described power divider, the link outer conductor of described each output coaxial cable is unsettled.
2. wall built-up as claimed in claim 1 or keep flat dull and stereotyped satellite tv antenna, it is characterized in that: the medium of filling in described inner chamber is air.
3. wall built-up as claimed in claim 1 or keep flat dull and stereotyped satellite tv antenna, it is characterized in that: described aerial array is by the circular polarized antenna cell formation of spiral form
.
4. wall built-up as claimed in claim 1 or keep flat dull and stereotyped satellite tv antenna, it is characterized in that: described power divider is equipped with the cavity that forms different length by printed circuit board, and the port be connected with described antenna element with diverse location.
5. wall built-up as claimed in claim 1 or keep flat dull and stereotyped satellite tv antenna, it is characterized in that: described aerial array is assemblied to form by N antenna element, or with the integrated antenna array structure of printed circuit board technology processing.
6. as the described wall built-up of arbitrary claim in claim 1-5 or keep flat dull and stereotyped satellite tv antenna, it is characterized in that: described power divider forms layer structure by one deck cuboid power splitter at least, the cavity cross-section that each cuboid power splitter has is rectangle, the inner air dielectric of filling of described each cuboid cavity of power distributor.
7. wall built-up as claimed in claim 6 or keep flat dull and stereotyped satellite tv antenna is characterized in that: at least one deck cuboid power splitter that described aerial array has as independent one deck and described power divider is with the form multiple-layer overlapped of planar structure.
8. wall built-up as claimed in claim 7 or keep flat dull and stereotyped satellite tv antenna, is characterized in that: aerial radiation beam position or normal direction beam position that the phase configuration of described aerial array is pitching 45 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103412803A CN102882012A (en) | 2012-09-14 | 2012-09-14 | Wall-hung or horizontally-laid flat satellite television antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103412803A CN102882012A (en) | 2012-09-14 | 2012-09-14 | Wall-hung or horizontally-laid flat satellite television antenna |
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| Publication Number | Publication Date |
|---|---|
| CN102882012A true CN102882012A (en) | 2013-01-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012103412803A Pending CN102882012A (en) | 2012-09-14 | 2012-09-14 | Wall-hung or horizontally-laid flat satellite television antenna |
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| Country | Link |
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| CN (1) | CN102882012A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2227369A (en) * | 1989-01-18 | 1990-07-25 | Tdk Corp | A circular polarization antenna system |
| CN202797295U (en) * | 2012-09-14 | 2013-03-13 | 无锡创元电子科技有限公司 | Wall built-up or flatwise flat plate satellite television antenna |
-
2012
- 2012-09-14 CN CN2012103412803A patent/CN102882012A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2227369A (en) * | 1989-01-18 | 1990-07-25 | Tdk Corp | A circular polarization antenna system |
| CN202797295U (en) * | 2012-09-14 | 2013-03-13 | 无锡创元电子科技有限公司 | Wall built-up or flatwise flat plate satellite television antenna |
Non-Patent Citations (1)
| Title |
|---|
| X. Q. LI ET AL: "16-Element Single-Layer Rectangular Radial Line Helical Array Antenna for High-Power Applications", 《IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS》 * |
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Application publication date: 20130116 |