CN102983883A - PLC-based community bandwidth accessing method - Google Patents
PLC-based community bandwidth accessing method Download PDFInfo
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- CN102983883A CN102983883A CN2012105167030A CN201210516703A CN102983883A CN 102983883 A CN102983883 A CN 102983883A CN 2012105167030 A CN2012105167030 A CN 2012105167030A CN 201210516703 A CN201210516703 A CN 201210516703A CN 102983883 A CN102983883 A CN 102983883A
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- coupling inductance
- live wire
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Abstract
The invention relates to the field of power line carrier, and discloses a PLC (Programmable Logic Controller)-based community bandwidth accessing method which comprises coupling inductors for coupling network signals to a power line. The method concretely comprises following steps: ammeters of a community are divided into groups according to the distance; each group of the ammeters corresponds to a power network bridge; live wire output lines and zero line output lines of the ammeters are respectively connected with the coupling inductors; the coupling inductors connected with the live wire output lines are connected end to end in series through signal lines, so as to form a live wire coupling inductor string; the coupling inductors connected with the zero line output lines are connected end to end in series through signal lines, so as to form a zero line coupling inductor string; the live wire coupling inductor string and the zero line coupling inductor string are respectively connected with the power network bridge; and the coupling inductors at tail ends of the live wire coupling inductor string and the zero line coupling inductor string are mutually connected to form a loop. The method has the advantages that lossless accessing can be realized, the method is simple and reliable, accessing is convenient and rapid, the safety is high, and the method is applicable to various communities.
Description
Technical field
The present invention relates to the power carrier field, particularly a kind of bandwidth of cell cut-in method based on PLC.
Background technology
Power carrier communication is PLC, is the abbreviation of English Power line Communication.Power carrier is the distinctive communication mode of electric power system, and power carrier communication refers to utilize existing power line, the analog or digital signal is carried out the technology of high-speed transfer by carrier system.Maximum characteristics are not need again to set up network, as long as live wire just can carry out the data transmission.
Although prior art has realized by Homeplug (having another name called the electric power networks bridger) network signal being modulated on the power transmission line, but arrive the residential quarter and be coupled to this one-phase of ammeter at optical fiber or upper end broadband network, a preferably solution is not yet arranged, especially under the existing power circuit in residential quarter connects up comparatively complicated situation, existing bandwidth of cell access scheme efficient is not high, conflict and the counteracting of signal occur easily, can reduce signal strength signal intensity, cause the poor signal that arrives the user, affect range of application and the acceptable degree of PLC, hindered applying PLC.
Summary of the invention
The present invention is directed to prior art can't fine adaptation the powerline layout of existing residential quarter, cause easily the shortcoming of the poor signal that arrives the user, a kind of novel bandwidth of cell cut-in method based on PLC that can be adapted to various types of residential quarters is provided.
For achieving the above object, the present invention can take following technical proposals:
Based on the bandwidth of cell cut-in method of PLC, comprise for the coupling inductance that network signal is coupled to power line; Concrete grammar comprises: the residential quarter ammeter is divided into groups according to the distance distance; Every group of ammeter is corresponding with an electric network bridge; The live wire output line of described ammeter is connected with coupling inductance with the zero line output line is connected, the described coupling inductance that is connected with the live wire output line is connected from beginning to end with holding wire and is formed live wire coupling inductance string, the described coupling inductance that is connected with the zero line output line is connected from beginning to end with holding wire and is formed zero line coupling inductance string, described live wire coupling inductance string is connected coupling inductance and is connected respectively electric network bridge with zero line coupling inductance string head end, the coupling inductance of described live wire coupling inductance string and zero line coupling inductance string tail end is interconnected to form the loop;
Wherein, the mode that described coupling inductance is connected from beginning to end is specially: in described live wire coupling inductance string or the zero line coupling inductance string, coupling inductance after coupling inductance formerly is connected near the exit of ammeter is away from the exit of ammeter, perhaps is the exit of formerly the coupling inductance coupling inductance after being connected to away from the exit of ammeter near ammeter.
As preferably, the described coupling inductance that is connected with the live wire output line is connected from beginning to end with holding wire and is formed a plurality of live wire coupling inductance strings arranged side by side, will be connected with electric network bridge after described a plurality of live wire coupling inductance connection in series-parallel arranged side by side; The described coupling inductance that is connected with the zero line output line is connected from beginning to end with holding wire and is formed a plurality of zero line coupling inductance strings arranged side by side, will be connected with electric network bridge after described a plurality of zero line coupling inductance connection in series-parallel arranged side by side.
As preferably, described coupling inductance is annular magnetic loop coupling inductance, during connection described coupling inductance is fastened live wire or zero line to ammeter.
As preferably, when the residential quarter electroprobe is divided into groups, divide into groups according to cell unit.
As preferably, two coupling inductances of the coupling inductance group of described end use binding post or holding wire to be connected to form the loop.
As preferably, described electric network bridge is connected with broadband netting twine or the optic fiber converter of upper end.
The present invention has significant technique effect owing to adopted above technical scheme:
Connection between the coupling inductance is comparatively succinct, and is rationally distributed, succinct reliable, and the operating personnel that need not specialty can finish the bandwidth access.It is convenient that signal coupling enters power line, only needs the magnet ring coupling inductance fastened to the outlet of ammeter get final product, need not damaged power circuit, need not to worry to occur electrics shock and wait similar accident, can be to operating personnel's person generation threat, and safe.Cut-in method of the present invention has solved broadband signal access residential quarter well to signal transmission and the conversion of being coupled to this one-phase of electric supply meter, safe ready, good operability.
Description of drawings
Fig. 1 is coupling inductance connection diagram of the present invention.
Embodiment
The present invention is described in further detail below in conjunction with embodiment.
Embodiment 1
Based on the bandwidth of cell cut-in method of PLC, comprise for the coupling inductance that network signal is coupled to power line.
Concrete grammar comprises: as shown in Figure 1, when the residential quarter ammeter is divided into groups the residential quarter electroprobe divided into groups according to the distance distance, consider that the ammeter setting of a unit in the residential quarter is comparatively concentrated, can divide into groups according to cell unit.Every group of ammeter is corresponding with an electric network bridge, and described electric network bridge is connected with broadband netting twine or the optic fiber converter of upper end, and electric network bridge is modulated to network signal on the employed civilian low pressure 220V alternating current circuit, residential quarter.The live wire output line 1 of described ammeter is connected with the zero line output line is connected with coupling inductance respectively, by coupling inductance with above-mentioned signal coupling to power line, described coupling inductance is annular magnetic loop coupling inductance, during connection described coupling inductance is fastened to the live wire output line or zero line output line of ammeter, the described coupling inductance that is connected with live wire output line 1 is connected from beginning to end with holding wire and is formed live wire coupling inductance string, the described coupling inductance that is connected with zero line output line 2 is connected from beginning to end with holding wire and is formed zero line coupling inductance string, described live wire coupling inductance string is connected coupling inductance and is connected respectively electric network bridge with zero line coupling inductance string head end, the coupling inductance of described live wire coupling inductance string and zero line coupling inductance string tail end uses binding post or holding wire to be interconnected to form the loop;
Wherein, the mode that described coupling inductance is connected from beginning to end is specially: in described live wire coupling inductance string or the zero line coupling inductance string, coupling inductance after coupling inductance formerly is connected near the exit of ammeter is away from the exit of ammeter, perhaps is the exit of formerly the coupling inductance coupling inductance after being connected to away from the exit of ammeter near ammeter.Therefore, must be consistent with the sense of current from the holding wire that the electric network bridge same point picks out, namely the holding wire that picks out of same point must be with advancing the ammeter sense of current or with going out the ammeter sense of current.
Embodiment 2
Based on the bandwidth of cell cut-in method of PLC, comprise for the coupling inductance that network signal is coupled to power line.
Concrete grammar comprises: as shown in Figure 1, when the residential quarter ammeter is divided into groups the residential quarter electroprobe divided into groups according to the distance distance, consider that the ammeter setting of a unit in the residential quarter is comparatively concentrated, can divide into groups according to cell unit.Every group of ammeter is corresponding with an electric network bridge, and described electric network bridge is connected with broadband netting twine or the optic fiber converter of upper end, and electric network bridge is modulated to network signal on the employed civilian low pressure 220V alternating current circuit, residential quarter.The live wire output line 1 of described ammeter is connected with the zero line output line is connected with coupling inductance respectively, by coupling inductance with above-mentioned signal coupling to power line, described coupling inductance is annular magnetic loop coupling inductance, during connection described coupling inductance is fastened to the live wire output line or zero line output line of ammeter.The coupling inductance that will be connected with live wire output line 1 is connected from beginning to end with holding wire and is formed a plurality of live wire coupling inductance strings arranged side by side, will be connected with electric network bridge after described a plurality of live wire coupling inductance connection in series-parallel arranged side by side; The coupling inductance that will be connected with zero line output line 2 is connected from beginning to end with holding wire and is formed a plurality of zero line coupling inductance strings arranged side by side, will be connected with electric network bridge after described a plurality of zero line coupling inductance connection in series-parallel arranged side by side.Above-mentioned live wire coupling inductance string arranged side by side and the coupling inductance of the zero line coupling inductance string head end of being connected connect respectively electric network bridge, and the coupling inductance of described live wire coupling inductance string and zero line coupling inductance string tail end uses binding post or holding wire to be interconnected to form the loop;
Wherein, the mode that described coupling inductance is connected from beginning to end is specially: in described live wire coupling inductance string or the zero line coupling inductance string, coupling inductance after coupling inductance formerly is connected near the exit of ammeter is away from the exit of ammeter, perhaps is the exit of formerly the coupling inductance coupling inductance after being connected to away from the exit of ammeter near ammeter.Therefore, must be consistent with the sense of current from the holding wire that the electric network bridge same point picks out, namely the holding wire that picks out of same point must be with advancing the ammeter sense of current or with going out the ammeter sense of current.
In a word, the above only is preferred embodiment of the present invention, and all equalizations of doing according to the present patent application claim change and modify, and all should belong to the covering scope of patent of the present invention.
Claims (6)
1. the bandwidth of cell cut-in method based on PLC is characterized in that, comprises for the coupling inductance that network signal is coupled to power line; Concrete grammar comprises: the residential quarter ammeter is divided into groups according to the distance distance; Every group of ammeter is corresponding with an electric network bridge; The live wire output line of described ammeter is connected with coupling inductance with the zero line output line is connected, the described coupling inductance that is connected with the live wire output line is connected from beginning to end with holding wire and is formed live wire coupling inductance string, the described coupling inductance that is connected with the zero line output line is connected from beginning to end with holding wire and is formed zero line coupling inductance string, described live wire coupling inductance string is connected coupling inductance and is connected respectively electric network bridge with zero line coupling inductance string head end, the coupling inductance of described live wire coupling inductance string and zero line coupling inductance string tail end is interconnected to form the loop;
Wherein, the mode that described coupling inductance is connected from beginning to end is specially: in described live wire coupling inductance string or the zero line coupling inductance string, coupling inductance after coupling inductance formerly is connected near the exit of ammeter is away from the exit of ammeter, perhaps is the exit of formerly the coupling inductance coupling inductance after being connected to away from the exit of ammeter near ammeter.
2. the bandwidth of cell cut-in method based on PLC according to claim 1, it is characterized in that, the described coupling inductance that is connected with the live wire output line is connected from beginning to end with holding wire and is formed a plurality of live wire coupling inductance strings arranged side by side, will be connected with electric network bridge after described a plurality of live wire coupling inductance connection in series-parallel arranged side by side; The described coupling inductance that is connected with the zero line output line is connected from beginning to end with holding wire and is formed a plurality of zero line coupling inductance strings arranged side by side, will be connected with electric network bridge after described a plurality of zero line coupling inductance connection in series-parallel arranged side by side.
3. the bandwidth of cell cut-in method based on PLC according to claim 1 is characterized in that, described coupling inductance is annular magnetic loop coupling inductance, during connection described coupling inductance is fastened live wire or zero line to ammeter.
4. the bandwidth of cell cut-in method based on PLC according to claim 1 is characterized in that, when the residential quarter electroprobe is divided into groups, divides into groups according to cell unit.
5. the bandwidth of cell cut-in method based on PLC according to claim 1 is characterized in that, two coupling inductances of the coupling inductance group of described end use binding post or holding wire to be connected to form the loop.
6. the bandwidth of cell cut-in method based on PLC according to claim 1 is characterized in that, described electric network bridge is connected with broadband netting twine or the optic fiber converter of upper end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105167030A CN102983883A (en) | 2012-12-06 | 2012-12-06 | PLC-based community bandwidth accessing method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105167030A CN102983883A (en) | 2012-12-06 | 2012-12-06 | PLC-based community bandwidth accessing method |
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| CN102983883A true CN102983883A (en) | 2013-03-20 |
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| CN2012105167030A Pending CN102983883A (en) | 2012-12-06 | 2012-12-06 | PLC-based community bandwidth accessing method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107465431A (en) * | 2017-08-10 | 2017-12-12 | 广西电网有限责任公司 | A kind of wideband power is registered one's residence terminal system |
Citations (3)
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|---|---|---|---|---|
| CN2681459Y (en) * | 2004-01-16 | 2005-02-23 | 中国电力科学研究院 | Data communication system based on power line |
| CN1744450A (en) * | 2004-09-02 | 2006-03-08 | 安捷伦科技有限公司 | Serial signal injection using capacitive and transformer couplings for power line communications |
| WO2006078547A2 (en) * | 2005-01-21 | 2006-07-27 | Sony Corporation | Power line network bridge |
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2012
- 2012-12-06 CN CN2012105167030A patent/CN102983883A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2681459Y (en) * | 2004-01-16 | 2005-02-23 | 中国电力科学研究院 | Data communication system based on power line |
| CN1744450A (en) * | 2004-09-02 | 2006-03-08 | 安捷伦科技有限公司 | Serial signal injection using capacitive and transformer couplings for power line communications |
| WO2006078547A2 (en) * | 2005-01-21 | 2006-07-27 | Sony Corporation | Power line network bridge |
Non-Patent Citations (2)
| Title |
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| 无: "小区宽带接入方案", 《慧聪网论坛ZHANGJUANJUAN54.HC360.COM/？7542091》 * |
| 王奇、李友明、张强: "WLAN无线宽带入户：电力通信解决方案", 《飞象手机HTTP://MOBILE.CCTIME.COM》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107465431A (en) * | 2017-08-10 | 2017-12-12 | 广西电网有限责任公司 | A kind of wideband power is registered one's residence terminal system |
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Application publication date: 20130320 |