CN203645665U - One-line-type signal transmission system - Google Patents
One-line-type signal transmission system Download PDFInfo
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- CN203645665U CN203645665U CN201320837720.4U CN201320837720U CN203645665U CN 203645665 U CN203645665 U CN 203645665U CN 201320837720 U CN201320837720 U CN 201320837720U CN 203645665 U CN203645665 U CN 203645665U
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- 230000008054 signal transmission Effects 0.000 title claims abstract description 20
- 238000004891 communication Methods 0.000 claims abstract description 62
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
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- 238000009434 installation Methods 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010295 mobile communication Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
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Abstract
The utility model discloses a one-line-type signal transmission system. The one-line-type signal transmission system comprises a first signal synthesizer, a second signal synthesizer and a coaxial cable. Two ends of the coaxial cable are respectively connected with the signal end of the first signal synthesizer and the signal end of the second signal synthesizer. The one-line-type signal transmission system employs a coaxial cable to transmit various signals and complex wiring in the system is omitted, and thus the reliability is guaranteed. Potential safety hazards caused by direct supply of an alternating current power supply for some devices are avoided. The one-line-type signal transmission system is advantaged by simple structure, convenient installation and low cost. Because the coaxial cable is employed to transmit mixed signals, the one-line-type signal transmission system has high anti-interference, and is suitable for a communication system transmitting three signals of a plurality of radio frequency, communication and power supply.
Description
Technical field
The utility model relates to a kind of signal transmission system, relates in particular to a kind of one-line signal transmission system.
Background technology
Along with social development and the progress of science, the mankind have entered digital Age, multiple can be (as car under motion state, ship, on the carriers such as aircraft) the real-time WiMAX that constantly receives, voice, data, the mobile communication system of the information such as dynamic image and fax produces thereupon, but the signal transmission system great majority in current this mobile communication system all adopt many general twisted-pair power cables, power cable, RF coaxial cable transmits the various signals of telecommunication, system complex, between multiple wiring, wiring easily makes mistakes, reliability is low, cost is high, poor anti jamming capability, and need to directly provide AC power to some device, system exists potential safety hazard.
Utility model content
The purpose of this utility model is just to provide in order to address the above problem a kind of one-line signal transmission system.
The utility model is achieved through the following technical solutions above-mentioned purpose:
A kind of one-line signal transmission system, comprise first signal synthesizer, secondary signal synthesizer and coaxial cable, the two ends of described coaxial cable are connected with the signal end of described first signal synthesizer and the signal end of described secondary signal synthesizer respectively, described first signal synthesizer comprises multiple RF filters, multiple the first frequency converters, the first mixer, the first radio-frequency (RF) coupler, the first communication power supply coupler, the first telefilter, the first power-supply filter, the first signal end of multiple described RF filters is connected with the signal end of multiple described the first frequency converters respectively, the secondary signal end of a described RF filter is connected with the RF of described the first mixer end, the RF end of multiple described the first frequency converters is a RF port, the radio-frequency head of described the first mixer is connected with the first signal end of described the first radio-frequency (RF) coupler, the secondary signal end of described the first radio-frequency (RF) coupler is connected with the radiofrequency signal end of described the first communication power supply coupler, the signal of communication end of described the first communication power supply coupler is connected with the first signal end of described the first telefilter, the secondary signal end of described the first telefilter is the first PORT COM, the power supply signal end of described the first communication power supply coupler is connected with the input of described the first power-supply filter, the output of described the first power-supply filter is the first power port, the mixed signal end of described the first communication power supply coupler is the signal end of described first signal synthesizer, described secondary signal synthesizer comprises multiple the 2nd RF filters, multiple the second frequency converters, the second mixer, the second radio-frequency (RF) coupler, second communication power coupler, second communication filter, second source filter, the mixed signal end of described second communication power coupler is the signal end of described secondary signal synthesizer, the power supply signal end of described second communication power coupler is connected with the output of described second source filter, the input of described second source filter is second source port, the signal of communication end of described second communication power coupler is connected with the first signal end of described second communication filter, the secondary signal end of described second communication filter is the second PORT COM, the radiofrequency signal end of described second communication power coupler is connected with the first signal end of described the second radio-frequency (RF) coupler, the secondary signal end of described the second radio-frequency (RF) coupler is connected with the radio-frequency head of described the second mixer, the RF end of described the second mixer is connected with the first signal end of multiple described the 2nd RF filters, the secondary signal end of multiple described the 2nd RF filters is connected with the signal end of multiple described the second frequency converters respectively, the RF end of multiple described the second frequency converters is the 2nd RF port.
Particularly, described coaxial cable is fine copper cable.
The beneficial effects of the utility model are:
The one-line signal transmission system of the utility model adopts the various signals of a coaxial cable transmission, remove the wiring of complexity in system, its reliability is guaranteed, the potential safety hazard of simultaneously having avoided directly providing AC power to some device and cause, the utility model is simple in structure, easy for installation, with low cost, because adopted coaxial cable transmission mixed signal, have stronger anti-interference simultaneously, be applicable to transmit the communication system of multiple radio frequency, communication and three kinds of signals of power supply.
Brief description of the drawings
Fig. 1 is the theory diagram of the one-line signal transmission system of the utility model;
Fig. 2 is the theory diagram of first signal synthesizer of the present utility model;
Fig. 3 is the theory diagram of secondary signal synthesizer of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail:
As shown in Figure 1, the one-line signal transmission system of the utility model, comprise first signal synthesizer, secondary signal synthesizer and coaxial cable, the two ends of coaxial cable are connected with the signal end of first signal synthesizer and the signal end of secondary signal synthesizer respectively, and coaxial cable is fine copper cable.
As shown in Figure 2, described first signal synthesizer comprises multiple RF filters, multiple the first frequency converters, the first mixer, the first radio-frequency (RF) coupler, the first communication power supply coupler, the first telefilter, the first power-supply filter, the first signal end of multiple described RF filters is connected with the signal end of multiple described the first frequency converters respectively, the secondary signal end of a described RF filter is connected with the RF of described the first mixer end, the RF end of multiple described the first frequency converters is a RF port, the radio-frequency head of described the first mixer is connected with the first signal end of described the first radio-frequency (RF) coupler, the secondary signal end of described the first radio-frequency (RF) coupler is connected with the radiofrequency signal end of described the first communication power supply coupler, the signal of communication end of described the first communication power supply coupler is connected with the first signal end of described the first telefilter, the secondary signal end of described the first telefilter is the first PORT COM, the power supply signal end of described the first communication power supply coupler is connected with the input of described the first power-supply filter, the output of described the first power-supply filter is the first power port, the mixed signal end of described the first communication power supply coupler is the signal end of described first signal synthesizer.
As shown in Figure 3, described secondary signal synthesizer comprises multiple the 2nd RF filters, multiple the second frequency converters, the second mixer, the second radio-frequency (RF) coupler, second communication power coupler, second communication filter, second source filter, the mixed signal end of described second communication power coupler is the signal end of described secondary signal synthesizer, the power supply signal end of described second communication power coupler is connected with the output of described second source filter, the input of described second source filter is second source port, the signal of communication end of described second communication power coupler is connected with the first signal end of described second communication filter, the secondary signal end of described second communication filter is the second PORT COM, the radiofrequency signal end of described second communication power coupler is connected with the first signal end of described the second radio-frequency (RF) coupler, the secondary signal end of described the second radio-frequency (RF) coupler is connected with the radio-frequency head of described the second mixer, the RF end of described the second mixer is connected with the first signal end of multiple described the 2nd RF filters, the secondary signal end of multiple described the 2nd RF filters is connected with the signal end of multiple described the second frequency converters respectively, the RF end of multiple described the second frequency converters is the 2nd RF port.
The operation principle of the one-line signal transmission system of the utility model is as follows:
The one RF filter and the 2nd RF filter can only be by the radiofrequency signals of characteristic frequency, and the radiofrequency signal that each RF filter or the 2nd RF filter pass through in same signal synthesizer is unique, a RF filter in first signal synthesizer and the 2nd RF filter in secondary signal synthesizer are one to one simultaneously, the first telefilter and second communication filter can only pass through signal of communication, the first power-supply filter and second source filter can only pass through power supply signal, the first radio-frequency (RF) coupler and the second radio-frequency (RF) coupler can only be passed through radiofrequency signal, the first frequency converter and the second frequency converter carry out down-conversion or up-conversion according to system frequency transmission signal and bandwidth selection to radiofrequency signal, the first mixer and the second mixer are by a synthetic multi-channel rf signal road radiofrequency signal, the first communication power supply coupler will be communicated by letter with second communication power coupler, three kinds of signal couplings of power supply and radio frequency become mixed signal.
If the frequency phase-difference between two-way radiofrequency signal is little arbitrarily in same signal synthesizer, the first corresponding frequency converter or the second frequency converter work change the frequency of this radiofrequency signal with it; If the frequency phase-difference between two-way radiofrequency signal is larger arbitrarily, the first frequency converter or second frequency converter of correspondence are not worked with it.
The first communication power supply coupler and second communication power coupler adopt with system and are formed by connecting with microstrip line, inductance and the electric capacity of impedance, wherein microstrip line can pass through radiofrequency signal, signal of communication, insulating power supply signal, inductance and electric capacity can be by signal of communication and power supply signals.
The first frequency converter synthesizes hybrid radio frequency signal by the first mixer again after transmitting radiofrequency signal by a RF port after the first RF filter is processed, the first telefilter transmits signal of communication by the first PORT COM, and the first power-supply filter provides power supply by the first power port for partial devices; The second frequency converter is by the 2nd RF port by radio signal transmission to the two RF filters, and second communication filter transmits signal of communication by the second PORT COM, and second source filter receives power supply signal by second source port.
The one-line signal transmission system of the utility model is suitable for but is not limited only to transmit the communication system of multiple radio frequency, communication and three kinds of signals of power supply.
Claims (2)
1. an one-line signal transmission system, it is characterized in that: comprise first signal synthesizer, secondary signal synthesizer and coaxial cable, the two ends of described coaxial cable are connected with the signal end of described first signal synthesizer and the signal end of described secondary signal synthesizer respectively, described first signal synthesizer comprises multiple RF filters, multiple the first frequency converters, the first mixer, the first radio-frequency (RF) coupler, the first communication power supply coupler, the first telefilter, the first power-supply filter, the first signal end of multiple described RF filters is connected with the signal end of multiple described the first frequency converters respectively, the secondary signal end of a described RF filter is connected with the RF of described the first mixer end, the RF end of multiple described the first frequency converters is a RF port, the radio-frequency head of described the first mixer is connected with the first signal end of described the first radio-frequency (RF) coupler, the secondary signal end of described the first radio-frequency (RF) coupler is connected with the radiofrequency signal end of described the first communication power supply coupler, the signal of communication end of described the first communication power supply coupler is connected with the first signal end of described the first telefilter, the secondary signal end of described the first telefilter is the first PORT COM, the power supply signal end of described the first communication power supply coupler is connected with the input of described the first power-supply filter, the output of described the first power-supply filter is the first power port, the mixed signal end of described the first communication power supply coupler is the signal end of described first signal synthesizer, described secondary signal synthesizer comprises multiple the 2nd RF filters, multiple the second frequency converters, the second mixer, the second radio-frequency (RF) coupler, second communication power coupler, second communication filter, second source filter, the mixed signal end of described second communication power coupler is the signal end of described secondary signal synthesizer, the power supply signal end of described second communication power coupler is connected with the output of described second source filter, the input of described second source filter is second source port, the signal of communication end of described second communication power coupler is connected with the first signal end of described second communication filter, the secondary signal end of described second communication filter is the second PORT COM, the radiofrequency signal end of described second communication power coupler is connected with the first signal end of described the second radio-frequency (RF) coupler, the secondary signal end of described the second radio-frequency (RF) coupler is connected with the radio-frequency head of described the second mixer, the RF end of described the second mixer is connected with the first signal end of multiple described the 2nd RF filters, the secondary signal end of multiple described the 2nd RF filters is connected with the signal end of multiple described the second frequency converters respectively, the RF end of multiple described the second frequency converters is the 2nd RF port.
2. the one-line signal transmission system of one according to claim 1, is characterized in that: described coaxial cable is fine copper cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320837720.4U CN203645665U (en) | 2013-12-18 | 2013-12-18 | One-line-type signal transmission system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320837720.4U CN203645665U (en) | 2013-12-18 | 2013-12-18 | One-line-type signal transmission system |
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| Publication Number | Publication Date |
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| CN203645665U true CN203645665U (en) | 2014-06-11 |
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| CN201320837720.4U Expired - Lifetime CN203645665U (en) | 2013-12-18 | 2013-12-18 | One-line-type signal transmission system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107769540A (en) * | 2017-11-27 | 2018-03-06 | 成都宇鑫洪科技有限公司 | Passive electrodeless strand core cable porcelain Jie's punching power-supply filter |
-
2013
- 2013-12-18 CN CN201320837720.4U patent/CN203645665U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107769540A (en) * | 2017-11-27 | 2018-03-06 | 成都宇鑫洪科技有限公司 | Passive electrodeless strand core cable porcelain Jie's punching power-supply filter |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140611 |
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| CX01 | Expiry of patent term |