CN102761171A - Optical signal expander of digitized transformer substation protection device - Google Patents
Optical signal expander of digitized transformer substation protection device Download PDFInfo
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- CN102761171A CN102761171A CN2011101106654A CN201110110665A CN102761171A CN 102761171 A CN102761171 A CN 102761171A CN 2011101106654 A CN2011101106654 A CN 2011101106654A CN 201110110665 A CN201110110665 A CN 201110110665A CN 102761171 A CN102761171 A CN 102761171A
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Abstract
The invention discloses an optical signal expander of a digitized transformer substation protection device. The optical signal expander comprises an optical signal receiving unit, an expanding unit and a plurality of optical signal sending units, wherein the optical signal receiving unit is used for receiving input optical signals, converting the optical signals into electric signals and outputting the electric signals; the expanding unit comprises an input terminal which is used for receiving the electric signals output by the optical signal receiving unit and a plurality of output terminals, the input terminal is connected with the plurality of output terminals through a one-to-more connecting line, and each connecting line between adjacent output terminals is provided with an on-off device; and each optical signal sending unit is connected with an output terminal and used for receiving the electric signals expanded by the output terminals, converting the electric signals into optical signals and outputting the optical signals. The optical signal expander of the digitized transformer substation protection device not only can be used for realizing a one-in and more-out optical signal expanding function, but also has the advantages of no time delay, no signal loss and high reliability.
Description
Technical field
The present invention relates to a kind of light signal expander of digital transforming plant protecting device, particularly, relate to a kind of light signal expander that is used for the digital transforming plant protecting device of digital transformer substation.
Background technology
Be in the digital transformer substation of transmission medium with optical fiber, voltage or the current signal that different protective devices or protective device and metering device all need be taken from same interval occurring through regular meeting.For example: in the 35kV digital transformer substation, often more than one of 10kV outlet, supposing has 4 10kV outlets in this station, and then the protective device of these 4 10kV outlets all need be from the voltage signal of 10kV voltage transformer.And the fiber-optic signal of electronic type voltage transformer output is unique often on this bus.Just there is the problem that how one fiber-optic signal is applied to simultaneously a plurality of places in this.
The light signal expander of digital transforming plant protecting device of the prior art is generally expanded light signal through software, and this possibly cause signal to produce time delay and loss.
Summary of the invention
The objective of the invention is to solve the aforementioned problems in the prior, a kind of light signal expander of digital transforming plant protecting device is provided.
The light signal expander of digital transforming plant protecting device of the present invention comprises the light signal receiving element, is used to receive the light signal of input, and converts this light signal into signal of telecommunication output; Expanding element; This expanding element comprises an input terminal, and said input terminal is used for the signal of telecommunication of receiving optical signals receiving element output, and this expanding element also comprises a plurality of lead-out terminals; Said lead-out terminal is used to export the signal of telecommunication after the expansion; Said input terminal links to each other with a plurality of lead-out terminals through the connecting line more than a minute, and, have on-off system on the connecting line between the adjacent lead-out terminal; A plurality of light signal transmitting elements, each light signal transmitting element links to each other with a lead-out terminal, is used to receive the signal of telecommunication after the expansion of lead-out terminal output, and is converted into light signal output.
In one embodiment, said on-off system is for jumping piece or switch.
In another embodiment; Said expanding element comprises a plurality of input terminals and a plurality of lead-out terminal; Wherein, the quantity of input terminal is less than or equal to the quantity of lead-out terminal, and said input terminal links to each other with each lead-out terminal through the many connecting lines of many branches; And, have on-off system on the connecting line between the adjacent lead-out terminal.
The light signal expander of digital transforming plant protecting device of the present invention, implementation method is simple, stable performance, application mode is flexible, various, can satisfy different occasion needs.Use under the situation about changing at the scene, need not more exchange device, the operational mode that only need reset device gets final product, and is simple to operate optional.In addition, the light signal expander of digital transforming plant protecting device of the present invention is realized by hardware fully, the no signal time delay and the loss of signal, and reliability is high.
Description of drawings
Fig. 1 is the structural representation of the light signal expander of digital transforming plant protecting device of the present invention;
Fig. 2 is the structural representation of an embodiment of expanding element of the light signal expander of digital transforming plant protecting device of the present invention;
Fig. 3 is the structural representation of another embodiment of expanding element of the light signal expander of digital transforming plant protecting device of the present invention;
Fig. 4 is the sketch map of realization multichannel expansion that utilizes the light signal expander of a plurality of digital transforming plant protecting devices of the present invention.
Embodiment
The light signal expander of digital transforming plant protecting device of the present invention converts light signal to the signal of telecommunication, the signal of telecommunication is expanded again, and the multi-channel electric signal with expansion converts light signal output respectively at last, finally accomplishes the expansion of input optical signal.Specify the light signal expander of digital transforming plant protecting device of the present invention below in conjunction with accompanying drawing.
As shown in Figure 1; Fig. 1 is the structural representation of the light signal expander of digital transforming plant protecting device of the present invention; As shown in Figure 1, the light signal expander of digital transforming plant protecting device of the present invention comprises: light signal receiving element 1, expanding element 2 and a plurality of light signal transmitting element 3.Wherein, light signal receiving element 1 is used to receive the light signal of input, and converts this light signal into the signal of telecommunication and export to expanding element 2; Expanding element 2 is used for the signal of telecommunication that is received is extended to multichannel, and multi-channel electric signal is exported to light signal transmitting element 3; Each light signal transmitting element is used to receive the signal of telecommunication after the expansion, and is converted into light signal output.
Fig. 2 is the structural representation of an embodiment of expanding element 2 of the light signal expander of digital transforming plant protecting device of the present invention; The expanded function of expanding element 2 realizes through following hardware configuration in this embodiment: expanding element 2 comprises an input terminal I and a plurality of lead-out terminal O1, O2, O3, O4, O5, O6; Input terminal links to each other with a plurality of lead-out terminals through the connecting line more than a minute; And; Have on-off system on the connecting line between the adjacent lead-out terminal, said input terminal is used for the signal of telecommunication of receiving optical signals receiving element output, and said lead-out terminal is used to export the signal of telecommunication after the expansion.On-off system S1, S2, S3, S4, S5 realize the break-make of the connecting line between the adjacent lead-out terminal, and on-off system can be that pluggable jumping piece, switch or any other have the element of on-off function.
Fig. 3 is the structural representation of another embodiment of expanding element 2 of the light signal expander of digital transforming plant protecting device of the present invention; In this embodiment; Expanding element 2 comprises a plurality of input terminals and a plurality of lead-out terminal; Wherein, the quantity of input terminal is less than or equal to the quantity of lead-out terminal.In Fig. 3; Fig. 3 shows 6 input terminal I1, I2, I3, I4, I5, I6 and 6 lead-out terminal O1, O2, O3, O4, O5, O6; Input terminal links to each other with each lead-out terminal through the many connecting lines of many branches, and, have on-off system on the connecting line between the adjacent lead-out terminal.Can realize the break-make of the connecting line between the adjacent lead-out terminal through on-off system S1, S2, S3, S4, S5, on-off system can be that pluggable jumping piece, switch or any other have the element of on-off function.A plurality of input terminals can be realized the expansion of unlike signal, and the light signal expander of such digital transforming plant protecting device just can be accomplished the expansion of a plurality of signals.
With Fig. 3 is example; The application form of the light signal expander of digital transforming plant protecting device of the present invention is various; Can realize that one-in-and-two-out, advances three to go out, one advances four to go out, one advances five to go out, one advances six and go out multiple application form, the concrete implementation method of various application modes is following:
One-in-and-two-out: be input as I1, I3, I5; Short circuit S1, S3, S5; Be output as O1...O6;
One advances three goes out: be input as I1, I4; Short circuit S 1, S2, S4, S5; Be output as O1...O6;
One advances four goes out: be input as I1; Short circuit S1, S2, S3; Be output as O1...O4;
One advances five goes out: be input as I1; Short circuit S1, S2, S3, S4; Be output as O1...O5;
One advances six goes out: be input as I1; Short circuit S1, S2, S3, S4, S5; Be output as O1...O6.
Although 6 input terminals and 6 lead-out terminals have been shown in Fig. 3, the expanding element of the light signal expander of digital transforming plant protecting device of the present invention can be selected the quantity of input and output terminal according to actual conditions, as 2,4,12 etc.
Use the light signal expander of a plurality of digital transforming plant protecting devices of the present invention; Can realize the function of multichannel expansion, as shown in Figure 3, N representes the quantity of input optical signal among the figure; N is an integer; Its value confirms according to practical situations, in digital transformer substation system, is worth desirable 1,2,4,6,8,12 etc.X, Y all represent the quantity of input optical fibre signal demand expansion, and for example, application form is into four when going out, and expansion quantity is 4.X, Y can get identical numerical value, also can get different numerical value, and its value is determined by field demand.Because the restriction of cabinet volume, all light signal output summations are 24 to the maximum.
The light signal expander implementation method of digital transforming plant protecting device of the present invention is simple, stable performance, and application mode is flexible, various, can satisfy different occasion needs.Use under the situation about changing at the scene, need not more exchange device, the operational mode that only need reset device gets final product, and is simple to operate optional.In addition, the light signal expander of digital transforming plant protecting device of the present invention is realized by hardware fully, compare with the light signal expander of realizing by software, and the no signal time delay and the loss of signal, reliability is high.
Need to prove that at last the above is merely preferred embodiments of the present invention, rather than to the qualification of technical scheme of the present invention, anyly be equal to replacement or corresponding improvement, still within protection scope of the present invention what technical characterictic of the present invention was done.
Claims (3)
1. the light signal expander of a digital transforming plant protecting device is characterized in that, comprising:
The light signal receiving element is used to receive the light signal of input, and converts this light signal into signal of telecommunication output;
Expanding element; This expanding element comprises an input terminal, and said input terminal is used for the signal of telecommunication of receiving optical signals receiving element output, and this expanding element also comprises a plurality of lead-out terminals; Said lead-out terminal is used to export the signal of telecommunication after the expansion; Said input terminal links to each other with a plurality of lead-out terminals through the connecting line more than a minute, and, have on-off system on the connecting line between the adjacent lead-out terminal;
A plurality of light signal transmitting elements, each light signal transmitting element links to each other with a lead-out terminal, is used to receive the signal of telecommunication after the expansion of lead-out terminal output, and is converted into light signal output.
2. the light signal expander of digital transforming plant protecting device as claimed in claim 1 is characterized in that, said on-off system is for jumping piece or switch.
3. the light signal expander of digital transforming plant protecting device as claimed in claim 1; It is characterized in that said expanding element comprises a plurality of input terminals and a plurality of lead-out terminal, wherein; The quantity of input terminal is less than or equal to the quantity of lead-out terminal; Said input terminal links to each other with each lead-out terminal through the many connecting lines of many branches, and, have on-off system on the connecting line between the adjacent lead-out terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2011101106654A CN102761171A (en) | 2011-04-29 | 2011-04-29 | Optical signal expander of digitized transformer substation protection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101106654A CN102761171A (en) | 2011-04-29 | 2011-04-29 | Optical signal expander of digitized transformer substation protection device |
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| CN102761171A true CN102761171A (en) | 2012-10-31 |
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| CN2011101106654A Pending CN102761171A (en) | 2011-04-29 | 2011-04-29 | Optical signal expander of digitized transformer substation protection device |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1343046A (en) * | 2000-09-05 | 2002-04-03 | 株式会社日立制作所 | Optical multiplex transmission method, optical network and optical transmission device |
| US6532089B1 (en) * | 1998-08-20 | 2003-03-11 | Nec Corporation | Optical cross-connect, method of switching over optical path, optical ADM, and optical cross-connect network system |
| CN101742528A (en) * | 2008-11-19 | 2010-06-16 | 北京东方信联科技有限公司 | System for realizing indoor coverage in CDMA network |
| CN202009270U (en) * | 2011-04-29 | 2011-10-12 | 田立志 | Photosignal spreader for digitalized transformer substation protectors |
-
2011
- 2011-04-29 CN CN2011101106654A patent/CN102761171A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6532089B1 (en) * | 1998-08-20 | 2003-03-11 | Nec Corporation | Optical cross-connect, method of switching over optical path, optical ADM, and optical cross-connect network system |
| CN1343046A (en) * | 2000-09-05 | 2002-04-03 | 株式会社日立制作所 | Optical multiplex transmission method, optical network and optical transmission device |
| CN101742528A (en) * | 2008-11-19 | 2010-06-16 | 北京东方信联科技有限公司 | System for realizing indoor coverage in CDMA network |
| CN202009270U (en) * | 2011-04-29 | 2011-10-12 | 田立志 | Photosignal spreader for digitalized transformer substation protectors |
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Application publication date: 20121031 |