CN103731276A - Poc power supply module and system - Google Patents
Poc power supply module and system Download PDFInfo
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- CN103731276A CN103731276A CN201310731299.3A CN201310731299A CN103731276A CN 103731276 A CN103731276 A CN 103731276A CN 201310731299 A CN201310731299 A CN 201310731299A CN 103731276 A CN103731276 A CN 103731276A
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Abstract
The invention relates to a POC power supply module and system. The POC power supply module comprises a signal input end, a first impedance line, a capacitor C1, a second impedance line, a power output end, an inductor L1 and a power source input end. The signal input end is connected with the power output end through the first impedance line, the capacitor C1 and the second impedance line sequentially, and the power input end is connected with the second impedance line through the inductor L1. The POC power supply module and system supply power through a (/b) (b) feeder line, a net arrangement scheme is greatly simplified, the cost for net arrangement is lowered, and net arrangement is made not to be limited by power supply. (/b).
Description
Technical field
The present invention relates to POC(POWER ON CABLE) power supply technique.
Background technology
At present, radio communication comprises: mobile phone mobile communication: the 5th generation mobile phone mobile communication (5G) that second generation mobile phone mobile communication (2G), third generation mobile phone mobile communication (3G), the 4th generation mobile phone mobile communication (4G) being are even are being researched and developed; Broadband wifi communication: the operating frequency that 802.11b/g/n/ac, television broadcasting system CATV etc. is used is more and more higher, and bandwidth is more and more wider, and speed is more and more faster, and customer experience is become better and better.But along with the raising of operating frequency, its signal carrier wavelength is more and more less, and then cause effect through walls and the equal severe exacerbation of diffracting power of signal, make the signal in building cover very difficult.At present operator, for example, move, the means such as the operation level manufacturer such as UNICOM, telecommunications increases Signal Booster in the more weak place of signal, use the smaller feeder cable of Insertion Loss, use directional antenna; And for example wireless coverage is laid at present a lot of civilian level engineering place as large-scale in hotel, market, conference hall etc., is all also to adopt indoor distributed arranging net.Finding out that thus Signal Booster is the active equipment in indoor distributed arranging net, is that the indoor distributed necessary equipment of arranging net is also the equipment that uses more complicated.The Signal Booster using at present includes a signal input part (RF-IN), a power input (DC-IN) and a power take-off (RF-OUT).When using this equipment, need to lay a signal cable and two supply lines (power and ground), connection scheme as shown in Figure 1.Power supply unit provides power supply for Signal Booster, and source device, at RF-OUT port output wireless signal, when having two Signal Booster cascades, needs two power supply units, as Fig. 2 institute.The like, when having multiple Signal Booster, will need multiple power supply units.The deficiency that such scheme of arranging net is brought is as can be seen here:
1) arranging net can be very complicated;
2) ever-increasing power supply unit and the power line cost that can make to arrange net improves greatly;
3) in the place of some inconvenient power takings, cannot power supply to the device, the serious difficulty of construction of arranging net that increases.
Summary of the invention
The object of the invention is to propose a kind of POC supply module and system, it can solve the complexity of arranging net, problem that cost is high.
In order to achieve the above object, the technical solution adopted in the present invention is as follows:
POC supply module, it comprises a signal input part, one first impedance line, a capacitor C 1, one second impedance line, a power take-off, an inductance L 1 and a power input, signal input part is connected with power take-off by the first impedance line, capacitor C 1, the second impedance line successively, and power input is connected with the second impedance line by inductance L 1.
Preferably, in order to reduce Interference from current, described POC supply module also comprises capacitor C 2, capacitor C 3 and capacitor C 4; One end of capacitor C 2 is connected between inductance L 1 and power input, other end ground connection; One end of capacitor C 3 is connected between inductance L 1 and power input, other end ground connection; One end of capacitor C 4 is connected between inductance L 1 and power input, other end ground connection.
The invention allows for a kind of POC electric power system, it comprises two POC supply modules as described in the present invention, one power supply unit, one source device and a Signal Booster, two POC supply modules are designated as elementary POC supply module, secondary POC supply module, the power output end of described power supply unit is connected with the power input of elementary POC supply module, the signal output part of described source device is connected with the signal input part of elementary POC supply module, the power take-off of elementary POC supply module is connected with the power take-off of secondary POC supply module by POC feeder line, the power input of secondary POC supply module is connected with the power input of described Signal Booster, the signal input part of secondary POC supply module is connected with the signal input part of Signal Booster, the signal output part of described Signal Booster is for being connected with the signal input part of the supply module of POC as described in the present invention of a next stage, the power input of described secondary POC supply module is also for being connected with the power input of the supply module of POC as described in the present invention of described next stage.
The present invention has following beneficial effect:
1, can make feeder line not only there is function of supplying power but also there is signal transmission function;
2, can be cost-saving;
3, can not be subject to the restriction of power taking, select the position of reasonable line arrangement, optimize distributed routing network;
4, reduce the difficulty of construction in actual cloth network process.
Accompanying drawing explanation
Fig. 1 is the power supply wiring diagram of a Signal Booster of prior art;
Fig. 2 is the power supply wiring diagram of two Signal Boosters of prior art;
Fig. 3 is the structural representation of the POC supply module of the embodiment of the present invention one;
Fig. 4 is the structural representation of the POC electric power system of the embodiment of the present invention one;
Fig. 5 is the structural representation of the POC electric power system of the embodiment of the present invention two.
Embodiment
Below, by reference to the accompanying drawings and embodiment, the present invention is described further.
Embodiment mono-
As shown in Figure 3, a kind of POC supply module, it comprises a signal input part (RF-IN), one first impedance line, a capacitor C 1, one second impedance line, a power take-off (DC-RF-OUT), an inductance L 1, a capacitor C 2, a capacitor C 3, a capacitor C 4 and a power input (DC-IN), signal input part is connected with power take-off by the first impedance line, capacitor C 1, the second impedance line successively, and power input is connected with the second impedance line by inductance L 1.One end of capacitor C 2 is connected between inductance L 1 and power input, other end ground connection; One end of capacitor C 3 is connected between inductance L 1 and power input, other end ground connection; One end of capacitor C 4 is connected between inductance L 1 and power input, other end ground connection.
As shown in Figure 4, a kind of POC electric power system, it comprises a POC supply module 1, one POC supply module 2, one power supply unit, one source device and a Signal Booster, the power output end of described power supply unit is connected with the power input of POC supply module 1, the signal output part of described source device is connected with the signal input part of POC supply module 1, the power take-off of POC supply module 1 is connected with the power take-off of POC supply module 2 by POC feeder line, the power input of POC supply module 2 is connected with the power input of described Signal Booster, the signal input part of POC supply module 2 is connected with the signal input part of Signal Booster.
The signal input part of POC supply module 1 receives the signal that source device goes out, through the first impedance line and capacitor C 1, be transferred to the second impedance line, owing to there being the existence of inductance L 1, can hinder AC signal and be transferred to its power input, therefore can not make signal produce large loss.Due to, there are capacitor C 2, capacitor C 3, capacitor C 4, even if the small-signal that has leakage to come can not affect power supply unit yet.
The direct voltage that the power input of POC supply module 1 receives power supply unit output is DC voltage, can be any DC voltage value, as 54 volts, 48 volts, 24 volts that commonly use in the market and 12 volts etc. can also be according to required self-definings; Through capacitor C 4, capacitor C 3, capacitor C 2, be transferred to inductance L 1 and then output to the second impedance line, with signal, jointly converge in power take-off (DC-RF-OUT).Due to, there is the existence of capacitor C 1, can not make direct current flow on the first impedance line, just can not affect source device yet.
Embodiment bis-
As shown in Figure 5, the present embodiment is only that from the difference of embodiment mono-quantity of POC module is different with the quantity that signal strengthens.
A kind of POC electric power system, it comprises a POC supply module 1, a POC supply module 2, a POC supply module 4, a POC supply module 5, a power supply unit, a source device, a Signal Booster 6 and a Signal Booster 7.
The power output end of described power supply unit is connected with the power input of POC supply module 1, the signal output part of described source device is connected with the signal input part of POC supply module 1, the power take-off of POC supply module 1 is connected with the power take-off of POC supply module 2 by POC feeder line, the power input of POC supply module 2 is connected with the power input of described Signal Booster 6, and the signal input part of POC supply module 2 is connected with the signal input part of Signal Booster 6.The signal output part of Signal Booster 6 is connected with the signal input part of POC supply module 4, the power input of POC supply module 2 can be connected with the power input of POC supply module 4 by one-to-two power connection 3, the power take-off of POC supply module 4 is connected with the power take-off of POC supply module 5 by POC feeder line, the power input of POC supply module 5 is connected with the power input of Signal Booster 7, and the signal input part of POC supply module 5 is connected with the signal input part of Signal Booster 7.
As can be seen here, when having multiple Signal Boosters to need cascade, only need to increase multipair POC supply module, not need the restriction of power taking completely.
The present invention powers by feeder line, greatly simplifies the scheme of arranging net, and reduces the cost of arranging net, and makes to arrange net not to be subject to the restriction of powering.
For a person skilled in the art, can be according to technical scheme described above and design, make other various corresponding changes and distortion, and these all changes and distortion all should belong to the protection range of the claims in the present invention within.
Claims (3)
1.POC supply module, it is characterized in that, comprise a signal input part, one first impedance line, a capacitor C 1, one second impedance line, a power take-off, an inductance L 1 and a power input, signal input part is connected with power take-off by the first impedance line, capacitor C 1, the second impedance line successively, and power input is connected with the second impedance line by inductance L 1.
2. POC supply module as claimed in claim 1, is characterized in that, described POC supply module also comprises capacitor C 2, capacitor C 3 and capacitor C 4; One end of capacitor C 2 is connected between inductance L 1 and power input, other end ground connection; One end of capacitor C 3 is connected between inductance L 1 and power input, other end ground connection; One end of capacitor C 4 is connected between inductance L 1 and power input, other end ground connection.
3.POC electric power system, it is characterized in that, comprise two POC supply modules as claimed in claim 1 or 2, one power supply unit, one source device and a Signal Booster, two POC supply modules are designated as elementary POC supply module, secondary POC supply module, the power output end of described power supply unit is connected with the power input of elementary POC supply module, the signal output part of described source device is connected with the signal input part of elementary POC supply module, the power take-off of elementary POC supply module is connected with the power take-off of secondary POC supply module by POC feeder line, the power input of secondary POC supply module is connected with the power input of described Signal Booster, the signal input part of secondary POC supply module is connected with the signal input part of Signal Booster, the signal output part of described Signal Booster is for being connected with the signal input part of the POC supply module as claimed in claim 1 or 2 of a next stage, the power input of described secondary POC supply module is also for being connected with the power input of the POC supply module as claimed in claim 1 or 2 of described next stage.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310731299.3A CN103731276A (en) | 2013-12-26 | 2013-12-26 | Poc power supply module and system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310731299.3A CN103731276A (en) | 2013-12-26 | 2013-12-26 | Poc power supply module and system |
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| CN103731276A true CN103731276A (en) | 2014-04-16 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1943132A (en) * | 2004-05-31 | 2007-04-04 | 中兴通讯股份有限公司 | Calibration apparatus and method of array communication system receiving chain |
| CN201266935Y (en) * | 2008-09-08 | 2009-07-01 | 星辰先创通信系统(厦门)有限公司 | Cable feeding type ground digital signal directly-amplifying device |
| CN101789762A (en) * | 2010-01-15 | 2010-07-28 | 电子科技大学中山学院 | Configurable current cell in tower top amplifier |
| CN202153722U (en) * | 2011-08-16 | 2012-02-29 | 武汉凡谷电子技术股份有限公司 | Frequency multiplication circuit |
| CN103023435A (en) * | 2011-09-26 | 2013-04-03 | 夏普株式会社 | Low noise converter of satellite broadcasting receiver |
| CN203618010U (en) * | 2013-12-26 | 2014-05-28 | 朱向伟 | Poc power supply module and system |
-
2013
- 2013-12-26 CN CN201310731299.3A patent/CN103731276A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1943132A (en) * | 2004-05-31 | 2007-04-04 | 中兴通讯股份有限公司 | Calibration apparatus and method of array communication system receiving chain |
| CN201266935Y (en) * | 2008-09-08 | 2009-07-01 | 星辰先创通信系统(厦门)有限公司 | Cable feeding type ground digital signal directly-amplifying device |
| CN101789762A (en) * | 2010-01-15 | 2010-07-28 | 电子科技大学中山学院 | Configurable current cell in tower top amplifier |
| CN202153722U (en) * | 2011-08-16 | 2012-02-29 | 武汉凡谷电子技术股份有限公司 | Frequency multiplication circuit |
| CN103023435A (en) * | 2011-09-26 | 2013-04-03 | 夏普株式会社 | Low noise converter of satellite broadcasting receiver |
| CN203618010U (en) * | 2013-12-26 | 2014-05-28 | 朱向伟 | Poc power supply module and system |
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Application publication date: 20140416 |
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