CN103606730A - Satellite station feed source component - Google Patents
Satellite station feed source component Download PDFInfo
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- CN103606730A CN103606730A CN201310582959.6A CN201310582959A CN103606730A CN 103606730 A CN103606730 A CN 103606730A CN 201310582959 A CN201310582959 A CN 201310582959A CN 103606730 A CN103606730 A CN 103606730A
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- waveguide
- main body
- waveguide group
- body cavity
- feed hole
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Abstract
The invention relates to a satellite station feed source component comprising a main body cavity and a cover plate which is connected with the main body cavity. The main body cavity is provided with a public port, a waveguide group, an emission port, a coupling window and two feed holes. The two feed holes are connected via a waveguide transmission line. The cover plate is provided with a filter cavity. An emission channel of the satellite feed source component is formed by the public port, the waveguide group and the emission port. A receiving channel of the satellite feed source component is formed by the public port, the waveguide group, the coupling window, the filer cavity, the first feed hole, the waveguide transmission line and the second feed hole. According to the satellite station feed source component, the main body cavity is formed by integral processing and connected with the cover plate with the filter cavity in an abutting way, and receiving and emission high isolation transmission of microwave radio frequency signals is realized so that the whole feed source component is simplified in structure and compact in volume, and a waterproof function can be realized and thus product reliability is greatly enhanced.
Description
[technical field]
The present invention relates to a kind of satellite communication equipment, relate in particular to a kind of satellite station feed assembly.
[background technology]
In recent years, because the natural calamities such as earthquake take place frequently, the surging of the demands such as some Large-scale Mobile news interviews, traditional communication mode has been subject to increasing restriction, has complied with this trend, and satellite communication is a dark horse.
Because the Earth is a spheroid, and the downlink wave beam of satellite-signal is horizontal linear propagation, and this same polarized signal that just causes different orientations to receive is different.Thereby, from satellite reception to microwave radio signal generally comprise the polarized signal of two different frequency branch roads.In order to transmit and receive the branch road polarized signal of required frequency, conventionally with satellite station feed assembly, realize.
As shown in Fig. 1 a and Fig. 1 b, traditional satellite station feed assembly is formed by orthomode transducer, filter, three simple stack combinations of module of polarization rotating joint.Its advantage is that it has been realized the isolation transmission and the transmitting terminal that transmit and receive two-way polarized signal and possesses 360 degree polarized rotation functions, can propose concrete requirement to a certain module wherein simultaneously.Yet it is mostly that traditional satellite station feed assembly shows is shortcoming and defect, large such as overall volume, be unfavorable for the development trend of satellite station miniaturization; Each component combination of feed together after, overall performance severe exacerbation, particularly transmitting terminal standing wave worsen larger, are unfavorable for the use in high-power situation.
[summary of the invention]
The object of the invention is to overcome above-mentioned deficiency, a kind of satellite feed assembly is provided, adopting integral body to draw chamber realizes multi-functional integrated, adopt simple compact structure form to realize linear polarization signal coupling transmission respectively under high-isolation of two kinds of quadratures, whole processing, less demanding to structure precision, cost is lower, is beneficial to batch production.
For realizing this object, the present invention adopts following technical scheme:
A satellite station feed assembly, comprising: main body cavity and the cover plate being connected with described main body cavity, on described main body cavity, offer public port, the bottom of described public port is provided with waveguide group, and the bottom of described waveguide group is provided with emission port, between described public port, waveguide group and emission port, forms transmission channel, on described main body cavity, be also provided with coupling window, the first power feed hole and the second power feed hole, described coupling window is located at the region of public port bottom and waveguide group composition, between described two power feed hole, by waveguide transmission line, connect, described cover plate is provided with the filter cavity with the first link and the second link, described the first link and the second link respectively with described coupling window, the first power feed hole connects, described public port, waveguide group, coupling window, filter cavity, the first power feed hole, between waveguide transmission line and the second power feed hole, form the receive path of this satellite feed assembly.
Preferably, described waveguide group is step waveguide group, and described step waveguide group comprises at least one-level step waveguide.
Preferably, described step waveguide group comprises multi-stage stairs waveguide, and is not coaxial setting between described multi-stage stairs waveguide.
Preferably, described multi-stage stairs waveguide is along dwindling away from the direction of described public port.
Preferably, the axis of described coupling window and the axis of described emission port is vertical and intersects.
Filter cavity of the present invention also can be arranged on main body cavity, and for this reason, the present invention also provides another kind of satellite station feed assembly.It comprises: main body cavity and the cover plate being connected with described main body cavity, on described main body cavity, offer public port, the bottom of described public port is provided with waveguide group, and the bottom of described waveguide group is provided with emission port, between described public port, waveguide group and emission port, forms transmission channel, on described main body cavity, be also provided with coupling window, the first power feed hole, the second power feed hole and there is the first link and the filter cavity of the second link, described coupling window is located at the region of public port bottom and waveguide group composition, between described two power feed hole, by waveguide transmission line, connect, described the first link and the second link respectively with described coupling window, the first power feed hole connects, described public port, waveguide group, coupling window, filter cavity, the first power feed hole, between waveguide transmission line and the second power feed hole, form the receive path of this satellite feed assembly.
Compared with prior art, the present invention possesses following advantage:
1, the main body cavity of satellite station of the present invention feed assembly adopts integral body to be processed to form, dock with the cover plate with filter cavity the high isolation transmission of sending and receiving that realizes microwave radio signal, whole feed modular construction is simple, volume compact, can realize water-proof function, greatly improve product reliability energy.
2, owing to having adopted the step waveguide group of the size of relative set step waveguides at different levels, microwave radio signal is when being transferred to polarization rotating joint from public port through transmission channel, another branch road microwave radio signal different from required tributary signal frequency repeatedly ended transmission, thereby the polarized signal of a required branch road is separated.Satellite station of the present invention feed assembly does not need can realize good Signal Matching performance through debugging.
3, because described cover plate and described main body cavity are connected to form filter, another the branch road polarized signal different from a required branch road polarized signal frequency that passes through transmission channel and transmit from coupling window filtered out, therefore, satellite station of the present invention feed assembly can be realized good filtering performance without debugging.
4, in satellite station of the present invention feed assembly, microwave radio signal is in the described main body cavity public port of process, described step waveguide group, described coupling window, described filter cavity, the first power feed hole, waveguide transmission line and the second power feed hole, be transferred to LNB(Low Noise Block, tuner) time, due to the corresponding size size of each structure being set, the undesirable branch road polarized signal of frequency is ended to transmission, thereby isolate the polarized signal of required branch road.Therefore,, in above-mentioned microwave radio signals transmission, any step does not need the matching performance that can realize through debugging.
[accompanying drawing explanation]
Fig. 1 a is the structural representation of satellite station of the prior art feed assembly;
Fig. 1 b is the rearview of the satellite station feed assembly shown in Fig. 1 a;
Fig. 2 a is the end view of satellite station of the present invention feed assembly, for the ease of observing the relation of its each several part structure, cover plate is to parallel placement with main body cavity;
Fig. 2 b is the end view of another direction of satellite station of the present invention feed assembly;
Fig. 2 c is the vertical view of satellite station of the present invention feed assembly;
Fig. 2 d is the vertical view of another direction of satellite station of the present invention feed assembly;
Fig. 2 e is the upward view of satellite station of the present invention feed assembly;
Fig. 3 a is the stereogram of the main body cavity of satellite station of the present invention feed assembly;
Fig. 3 b is the cutaway view of the main body cavity of satellite station of the present invention feed assembly;
Fig. 4 is the structural representation of the cover plate of satellite station of the present invention feed assembly.
[embodiment]
Below in conjunction with accompanying drawing and exemplary embodiment, the present invention is further described, wherein in accompanying drawing, identical label all refers to identical parts.In addition, if the detailed description of known technology is unnecessary for feature of the present invention is shown, by its omission.
As shown in Fig. 2 a to Fig. 4, satellite station of the present invention feed assembly, comprises main body cavity 1 and the cover plate 2 being connected with main body cavity.On main body cavity, offer public port 3, the bottom 32(of described public port 3 is with reference to figure 3b) be provided with waveguide group 4, the bottom of described waveguide group 4 is provided with emission port 5, forms the transmission channel of this satellite station feed assembly between described public port 3, waveguide group 4 and emission port 5.The region that the bottom 32 of described public port 3 and waveguide group 4 form is provided with a coupling window 6(with reference to figure 3b), on described main body cavity, be also provided with the first power feed hole 71 and the second power feed hole 72, described the first power feed hole 71 is connected by waveguide transmission line (not shown) with the second power feed hole 72.
Described cover plate 2 is provided with filter cavity 8.Described filter cavity 8 has the first link 81 and the second link 82.Described the first link 81 is connected with described coupling window 6, and described the second link 82 is connected with described the first power feed hole 71.Described coupling window 6, filter cavity 8 and the common shaping filter of the first power feed hole 71.Between described public port 3, coupling window 6, filter cavity 8, the first power feed hole 71, waveguide transmission line (not shown) and the second power feed hole 72, form the receive path of this satellite station feed assembly.
With reference to figure 3b, described waveguide group 4 is step waveguide group 4, is located between public port 3 and emission port 5, for settling signal, mates.Described step waveguide group 4 comprises at least one-level step waveguide.Preferably, described step waveguide group 4 comprises multi-stage stairs waveguide, and is not coaxial setting between described multi-stage stairs waveguide, i.e. any two axis of described multi-stage stairs waveguide all do not overlap.Preferably, described multi-stage stairs waveguide is along dwindling away from the direction of public port.
Owing to having adopted step waveguide group 4, microwave radio signal is when being transferred to through transmission channel the polarization rotating joint (not shown) being connected with emission port 5 from public port 3, because waveguide group is step-like, and the size of relative set step waveguides at different levels, make the polarized signal of the undesirable branch road of frequency be cut off transmission, thereby isolate a branch road polarized signal of required frequency.Thereby this microwave radio signal does not need can realize good matching performance through debugging.
With reference to figure 3a and in conjunction with Fig. 3 b, the dead in line of the axis of described emission port 5 and described public port 3.In theory, the axis of described coupling window 6 should be vertical with the axis of described emission port 5 and crossing.But, owing to there is the impact of various unfavorable factors in mechanical processing process, often cannot realize described coupling window 6 strict vertical and crossing with described emission port.Therefore,, in practical engineering application, allow to exist certain Physical Processing deviation.
The microwave radio signal being received by described public port 3 passes through the receive path of waveguide group 4, coupling window 6, filter cavity 8, the first power feed hole 71, waveguide transmission line (not shown) and formed this satellite station feed assembly of the second power feed hole 72 successively, be transferred to the LNB(Low Noise Block being connected with the second power feed hole 72, tuner) in.Because waveguide group 4 is step-like setting, and the size of its step waveguides at different levels of relative set and emission port, this microwave radio signal is cut off in described step waveguide group 4 and the region of described emission port 5.Therefore, each link of this receive path all can realize reasonable matching performance.
The microwave radio signal being emitted by described emission port 5 is at described coupling window 6 places by cut-off transmission for the first time, and at described filter place, by cut-off transmission for the second time, ，Gai satellite station feed assembly can be realized good sending and receiving isolation performance thus.Preferably, in order to strengthen the laser propagation effect of cut-off for the first time of microwave radio signal, described coupling window 6 can be constrained to its narrow limit as far as possible little.
In satellite station of the present invention feed assembly, described main body cavity 1 and described cover plate 2 are integral body and draw chamber and be processed to form, both after being connected, can realize microwave radio signal transmitting, receive high degree of isolation transmission.The public port 3 of described main body cavity 1, described waveguide group 4, described emission port 5, described coupling window 6, described two power feed hole (71,72) filter cavity 8 and on described cover plate 2 is to be all processed to form through milling, and the size of aforementioned each structure can need to arrange according to the transmission of microwave radio signal.Thereby satellite station of the present invention feed assembly is except realizing preferably the linear polarization signal object that coupling is transmitted respectively under high-isolation of two kinds of quadratures, also has good water resistance.
In addition, filter cavity 8 of the present invention also can be arranged on described main body cavity 1, and two links 81,82 of described filter cavity are connected with coupling window 6, the first power feed hole 71 respectively.
Satellite station of the present invention feed assembly, in Ku wave band, produce product, and performance test is good, can meet market demand.
Although shown exemplary embodiments more of the present invention above, but it should be appreciated by those skilled in the art that, in the situation that not departing from principle of the present invention or spirit, can make a change these exemplary embodiments, scope of the present invention is limited by claim and equivalent thereof.
Claims (6)
1.Yi Zhong satellite station feed assembly, is characterized in that comprising: main body cavity and the cover plate being connected with described main body cavity, on described main body cavity, offer public port, the bottom of described public port is provided with waveguide group, and the bottom of described waveguide group is provided with emission port, between described public port, waveguide group and emission port, forms transmission channel, on described main body cavity, be also provided with coupling window, the first power feed hole and the second power feed hole, described coupling window is located at the region of public port bottom and waveguide group composition, between described two power feed hole, by waveguide transmission line, connect, described cover plate is provided with the filter cavity with the first link and the second link, described the first link and the second link respectively with described coupling window, the first power feed hole connects, described public port, waveguide group, coupling window, filter cavity, the first power feed hole, between waveguide transmission line and the second power feed hole, form the receive path of this satellite feed assembly.
2. satellite station according to claim 1 feed assembly, is characterized in that, described waveguide group is step waveguide group, and described step waveguide group comprises at least one-level step waveguide.
3. satellite station according to claim 2 feed assembly, is characterized in that, described step waveguide group comprises multi-stage stairs waveguide, and is not coaxial setting between described multi-stage stairs waveguide.
4. satellite station according to claim 3 feed assembly, is characterized in that, described multi-stage stairs waveguide is along dwindling away from the direction of described public port.
5. satellite station according to claim 1 feed assembly, is characterized in that, the axis of described coupling window is vertical with the axis of described emission port and crossing.
6.Yi Zhong satellite station feed assembly, is characterized in that comprising: main body cavity and the cover plate being connected with described main body cavity, on described main body cavity, offer public port, the bottom of described public port is provided with waveguide group, and the bottom of described waveguide group is provided with emission port, between described public port, waveguide group and emission port, forms transmission channel, on described main body cavity, be also provided with coupling window, the first power feed hole, the second power feed hole and there is the first link and the filter cavity of the second link, described coupling window is located at the region of public port bottom and waveguide group composition, between described two power feed hole, by waveguide transmission line, connect, described the first link and the second link respectively with described coupling window, the first power feed hole connects, described public port, waveguide group, coupling window, filter cavity, the first power feed hole, between waveguide transmission line and the second power feed hole, form the receive path of this satellite feed assembly.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310582959.6A CN103606730B (en) | 2013-11-18 | 2013-11-18 | A kind of satellite station feed assembly |
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| CN201310582959.6A CN103606730B (en) | 2013-11-18 | 2013-11-18 | A kind of satellite station feed assembly |
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| CN103606730A true CN103606730A (en) | 2014-02-26 |
| CN103606730B CN103606730B (en) | 2016-04-06 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101562280A (en) * | 2009-05-22 | 2009-10-21 | 摩比天线技术（深圳）有限公司 | Bipolar feed source device and antenna |
| CN102208716A (en) * | 2010-03-31 | 2011-10-05 | 赵铭 | Wide-angle irradiation feed source device with parasitic matched media and microwave antenna |
| US8149177B1 (en) * | 2008-05-09 | 2012-04-03 | The United States Of America As Represented By The Secretary Of The Air Force | Slotted waveguide antenna stiffened structure |
| US8482465B1 (en) * | 2010-01-10 | 2013-07-09 | Stc.Unm | Optically pumped reconfigurable antenna systems (OPRAS) |
-
2013
- 2013-11-18 CN CN201310582959.6A patent/CN103606730B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8149177B1 (en) * | 2008-05-09 | 2012-04-03 | The United States Of America As Represented By The Secretary Of The Air Force | Slotted waveguide antenna stiffened structure |
| CN101562280A (en) * | 2009-05-22 | 2009-10-21 | 摩比天线技术（深圳）有限公司 | Bipolar feed source device and antenna |
| US8482465B1 (en) * | 2010-01-10 | 2013-07-09 | Stc.Unm | Optically pumped reconfigurable antenna systems (OPRAS) |
| CN102208716A (en) * | 2010-03-31 | 2011-10-05 | 赵铭 | Wide-angle irradiation feed source device with parasitic matched media and microwave antenna |
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| CN103606730B (en) | 2016-04-06 |
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Effective date of registration: 20190107 Address after: 210000 Room 201, 2nd Floor, Building B, Building 3, Baixia High-tech Industrial Park, No. 8 Yongfeng Avenue, Qinhuai District, Nanjing, Jiangsu Province Patentee after: Nanjing Jingdi Communication Equipment Co., Ltd. Address before: 510663 No. 10 Shenzhou Road, Guangzhou Science City, Guangdong Province Patentee before: Comba Telecom System (China) Co., Ltd. |