CN105226389A - Satellite antenna signals coupling/uncoupling locking device - Google Patents
Satellite antenna signals coupling/uncoupling locking device Download PDFInfo
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- CN105226389A CN105226389A CN201510633725.9A CN201510633725A CN105226389A CN 105226389 A CN105226389 A CN 105226389A CN 201510633725 A CN201510633725 A CN 201510633725A CN 105226389 A CN105226389 A CN 105226389A
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- satellite antenna
- antenna signals
- coupling device
- electric capacity
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Abstract
The invention discloses a kind of satellite antenna signals coupling/uncoupling locking device, relate to satellite antenna technical field, described satellite antenna signals coupling device comprises: DC supply input, L-band signal input part and coupled output, be provided with the first inductance between described DC supply input and coupled output, between described L-band signal input part and coupled output, be provided with the first electric capacity.Described DC power supply and L-band signal are coupled by the present invention, thus can reduce the cable between the antenna controller of satellite antenna and outdoor unit, facilitate the installation of satellite antenna, remove the multichannel slip ring on antenna equipment, thus reduce holistic cost.
Description
Technical field
The present invention relates to satellite antenna technical field, particularly a kind of satellite antenna signals coupling/uncoupling locking device.
Background technology
With a large amount of cable between the antenna control unit (ACU) of satellite antenna and antenna outdoor unit (ODU), comprise power line (48V direct current), L-band Signal reception line, the transmission of L-band signal line, communication control line.This mode is with following deficiency: one is that cable is more comparatively thick, and the headspace causing needs pre-buried is large; Two is that cost is higher, and in some cases, such as ship antenna cable may reach 200m, causes cable costly; Three is ship-borne equipments is ensure that orientation continuous rotation needs slip ring (for transmitting direct current signal and digital controlled signal) and rotary joint (for sending and receiving L-band radiofrequency signal, because L-band belongs to high-frequency signal, reduce decay as far as possible, need special processing, transmit with rotary joint; Direct current signal and digital controlled signal belong to low frequency signal, and directly transmit with slip ring, cost is low), and transmission cable circuit can cause using multichannel slip ring and increasing cost.
Summary of the invention
For in view of the above problems, propose the present invention to provide a kind of overcoming the problems referred to above or a kind of satellite antenna signals coupling device solved the problem at least in part, a kind of satellite antenna signals decoupling device and a kind of satellite antenna signals transmission system.
According to one aspect of the present invention, provide a kind of satellite antenna signals coupling device, described satellite antenna signals coupling device comprises: DC supply input, L-band signal input part and coupled output, be provided with the first inductance between described DC supply input and coupled output, between described L-band signal input part and coupled output, be provided with the first electric capacity.
Wherein, described satellite antenna signals coupling device also comprises: wifi signal input part, is connected between described wifi signal input part and described coupled output by described first electric capacity.
Wherein, the first radio-frequency power attenuator is provided with between described wifi signal input part and described first electric capacity.
Wherein, a RC filter is provided with between described DC supply input and earth terminal.
According to another aspect of the present invention, provide a kind of satellite antenna signals decoupling device, described satellite antenna signals decoupling device comprises: DC power output end, L-band signal output part and couple input, be provided with the second inductance between described DC power output end and couple input, between described L-band signal output part and couple input, be provided with the second electric capacity.
Wherein, described satellite antenna signals decoupling device comprises: wifi signal output part, is connected between described wifi signal output part and described couple input by described second electric capacity.
Wherein, the second radio-frequency power attenuator is provided with between described wifi signal input part and described second electric capacity.
Wherein, the 2nd RC filter is provided with between described DC power output end and earth terminal.
According to another aspect of the present invention, provide a kind of satellite antenna signals transmission system, described satellite antenna signals transmission system comprises: described satellite antenna signals coupling device and described satellite antenna signals decoupling device, and the coupled output of described satellite antenna signals coupling device is connected with the couple input of described satellite antenna signals decoupling device.
Wherein, the coupled output of described satellite antenna signals coupling device is connected by high frequency cable with between the couple input of described satellite antenna signals decoupling device.
Described DC power supply and L-band signal are coupled by the present invention, thus can reduce the cable between the antenna controller of satellite antenna and outdoor unit, facilitate the installation of satellite antenna, remove the multichannel slip ring on antenna equipment, thus reduce holistic cost.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of the satellite antenna signals coupling device of one embodiment of the present invention;
Fig. 2 is the structured flowchart of the satellite antenna signals transmission system of one embodiment of the present invention.
Embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.Following examples for illustration of the present invention, but are not used for limiting the scope of the invention.
Fig. 1 is the structured flowchart of the satellite antenna signals coupling device of one embodiment of the present invention; With reference to Fig. 1, described satellite antenna signals coupling device comprises: DC supply input DC, L-band signal input part RF_IN and coupled output RF_OUT, be provided with the first inductance L 1 between described DC supply input DC and coupled output RF_OUT, between described L-band signal input part RF_IN and coupled output RF_OUT, be provided with the first electric capacity C2.
Certainly, in order to protect described satellite antenna signals coupling device, increasing the service life, a mechanical cover also can be set, each parts are all arranged in described mechanical cover.
Described DC power supply and L-band signal are coupled by present embodiment, thus can reduce the cable between the antenna controller of satellite antenna and outdoor unit, facilitate the installation of satellite antenna, remove the multichannel slip ring on antenna equipment, thus reduce holistic cost.
For ease of wireless wifi signal is passed through wire transmission, and this wifi signal is coupled with one or more in power supply signal, L-band signal, alternatively, described satellite antenna signals coupling device also comprises: wifi signal input part WIFI, is connected between described wifi signal input part WIFI and described coupled output RF_OUT by described first electric capacity C2.
Under normal circumstances, the wave band of wifi signal is: 2400 ~ 2483.5MHz, the wave band of L-band signal is: 950 ~ 1700MHz, so after adopting the coupling device of present embodiment described wifi signal, L-band signal and DC power supply to be coupled, can make not produce interference between each signal, separablely out normally to use.
Signal due to L-band is main communication signal, so need the decay reduced communication signal as far as possible, and the signal strength signal intensity of wifi signal is too high, for avoiding impacting communication signal, affect normal communication, alternatively, be provided with the first radio-frequency power attenuator between described wifi signal input part WIFI and described first electric capacity C2 (to be made up of resistance R1, R2, R3 in figure, the magnitude of decay is-10dB, and certainly, the magnitude of decay also can be set to other value).
For avoiding the high-frequency signal from power end to cause interference to communication signal, alternatively, a RC filter (being made up of the electric capacity C1 in figure and resistance R4) is provided with between described DC supply input DC and earth terminal GND.
The invention also discloses a kind of satellite antenna signals decoupling device, satellite antenna signals coupling mechanism structure shown in itself and Fig. 1 is basically identical, but difference is, using the input of described satellite antenna signals coupling device as output, and using output as input, with reference to Fig. 1, described satellite antenna signals decoupling device comprises: DC power output end DC, L-band signal output part RF_IN and couple input RF_OUT, the second inductance L 1 is provided with between described DC power output end DC and couple input RF_OUT, the second electric capacity C2 is provided with between described L-band signal output part and couple input.
Alternatively, described satellite antenna signals decoupling device comprises: wifi signal output part, is connected between described wifi signal output part WIFI and described couple input RF_OUT by described second electric capacity C2.
Because wifi signal and L-band signal are AC signal, in the ordinary course of things, usually needing, band pass filter is set filtering is carried out to wifi signal and L-band signal, thus solution coupling is carried out to wifi signal and L-band signal, but find in practice process, because wifi signal and L-band signal belong to different wave bands respectively, the coupled signal of wifi signal and L-band signal being transferred to corresponding modulation /demodulation equipment (such as: when this coupled signal being transferred to the modulation /demodulation equipment of wifi, the modulation /demodulation equipment of this wifi can Directly solution recall wifi signal) time, directly can realize demodulation, do not affect normal work, for cost-saving, so the satellite antenna signals decoupling device in present embodiment is without the need to arranging band pass filter.
Alternatively, be provided with the second radio-frequency power attenuator between described wifi signal input part WIFI and described second electric capacity C2 (to be made up of resistance R1, R2, R3 in figure, the magnitude of decay is-10dBm, and certainly, the magnitude of decay also can be set to other value).
Alternatively, the 2nd RC filter (being made up of the electric capacity C1 in figure and resistance R4) is provided with between described DC power output end DC and earth terminal GND.
Fig. 2 is the structured flowchart of the satellite antenna signals transmission system of one embodiment of the present invention; With reference to Fig. 2, described satellite antenna signals transmission system comprises: described satellite antenna signals coupling device and described satellite antenna signals decoupling device, and the coupled output of described satellite antenna signals coupling device is connected with the couple input of described satellite antenna signals decoupling device.
Alternatively, the coupled output of described satellite antenna signals coupling device is connected by high frequency cable with between the couple input of described satellite antenna signals decoupling device.
Above execution mode is only for illustration of the present invention; and be not limitation of the present invention; the those of ordinary skill of relevant technical field; without departing from the spirit and scope of the present invention; can also make a variety of changes and modification; therefore all equivalent technical schemes also belong to category of the present invention, and scope of patent protection of the present invention should be defined by the claims.
Claims (10)
1. a satellite antenna signals coupling device, it is characterized in that, described satellite antenna signals coupling device comprises: DC supply input, L-band signal input part and coupled output, be provided with the first inductance between described DC supply input and coupled output, between described L-band signal input part and coupled output, be provided with the first electric capacity.
2. satellite antenna signals coupling device as claimed in claim 1, it is characterized in that, described satellite antenna signals coupling device also comprises: wifi signal input part, is connected between described wifi signal input part and described coupled output by described first electric capacity.
3. satellite antenna signals coupling device as claimed in claim 2, is characterized in that, be provided with the first radio-frequency power attenuator between described wifi signal input part and described first electric capacity.
4. the satellite antenna signals coupling device according to any one of claims 1 to 3, is characterized in that, is provided with a RC filter between described DC supply input and earth terminal.
5. a satellite antenna signals decoupling device, it is characterized in that, described satellite antenna signals decoupling device comprises: DC power output end, L-band signal output part and couple input, be provided with the second inductance between described DC power output end and couple input, between described L-band signal output part and couple input, be provided with the second electric capacity.
6. satellite antenna signals decoupling device as claimed in claim 5, it is characterized in that, described satellite antenna signals decoupling device comprises: wifi signal output part, is connected between described wifi signal output part and described couple input by described second electric capacity.
7. satellite antenna signals decoupling device as claimed in claim 6, is characterized in that, be provided with the second radio-frequency power attenuator between described wifi signal input part and described second electric capacity.
8. the satellite antenna signals decoupling device according to any one of claim 5 ~ 7, is characterized in that, is provided with the 2nd RC filter between described DC power output end and earth terminal.
9. a satellite antenna signals transmission system, it is characterized in that, described satellite antenna signals transmission system comprises: the satellite antenna signals coupling device according to any one of Claims 1 to 4 and the satellite antenna signals decoupling device according to any one of claim 5 ~ 8, and the coupled output of described satellite antenna signals coupling device is connected with the couple input of described satellite antenna signals decoupling device.
10. satellite antenna signals transmission system as claimed in claim 9, it is characterized in that, the coupled output of described satellite antenna signals coupling device is connected by high frequency cable with between the couple input of described satellite antenna signals decoupling device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510633725.9A CN105226389B (en) | 2015-09-29 | 2015-09-29 | Satellite antenna signals coupling/uncoupling, which attaches together, to be set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510633725.9A CN105226389B (en) | 2015-09-29 | 2015-09-29 | Satellite antenna signals coupling/uncoupling, which attaches together, to be set |
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| Publication Number | Publication Date |
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| CN105226389A true CN105226389A (en) | 2016-01-06 |
| CN105226389B CN105226389B (en) | 2018-07-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510633725.9A Active CN105226389B (en) | 2015-09-29 | 2015-09-29 | Satellite antenna signals coupling/uncoupling, which attaches together, to be set |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2380616A (en) * | 2001-05-31 | 2003-04-09 | Nokia Corp | A signal combining device |
| KR20090071926A (en) * | 2007-12-28 | 2009-07-02 | 주식회사 피플웍스 | Coupler for surge current |
| CN202817154U (en) * | 2012-08-31 | 2013-03-20 | 上海贝电实业（集团）股份有限公司 | Coupler with coupling terminal input with direct current signal, intermediate frequency signal and mobile-communication full frequency range signal |
| CN203466789U (en) * | 2013-09-13 | 2014-03-05 | 广东阿尔创通信技术股份有限公司 | Through-flow coupler |
-
2015
- 2015-09-29 CN CN201510633725.9A patent/CN105226389B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2380616A (en) * | 2001-05-31 | 2003-04-09 | Nokia Corp | A signal combining device |
| KR20090071926A (en) * | 2007-12-28 | 2009-07-02 | 주식회사 피플웍스 | Coupler for surge current |
| CN202817154U (en) * | 2012-08-31 | 2013-03-20 | 上海贝电实业（集团）股份有限公司 | Coupler with coupling terminal input with direct current signal, intermediate frequency signal and mobile-communication full frequency range signal |
| CN203466789U (en) * | 2013-09-13 | 2014-03-05 | 广东阿尔创通信技术股份有限公司 | Through-flow coupler |
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|---|---|
| CN105226389B (en) | 2018-07-27 |
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