CN102509983B - Wiring structure for shielding layers of generating set - Google Patents
Wiring structure for shielding layers of generating set Download PDFInfo
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- CN102509983B CN102509983B CN201110338223.5A CN201110338223A CN102509983B CN 102509983 B CN102509983 B CN 102509983B CN 201110338223 A CN201110338223 A CN 201110338223A CN 102509983 B CN102509983 B CN 102509983B
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- signal cable
- screen
- signal
- transfer box
- cable
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Abstract
The invention provides a wiring structure for shielding layers of a generating set. The generating set comprises a primary machine room, a control cabinet and a transfer box, wherein the control cabinet is connected to the primary machine room through a plurality of signal cables; and the transfer box is arranged between the primary machine room and the control cabinet. The signal cables comprise a plurality of first signal cables and a plurality of second signal cables. The primary machine room is connected with the transfer box through the first signal cables. The transfer box is connected with the control cabinet through the second signal cables. The plurality of first signal cables are connected with the plurality of second signal cables through the transfer box in a one-to-one correspondence way. A shielding layer of each first signal cable is connected with a shielding layer of a corresponding signal cable through the transfer box. The shielding layer of each second signal cable is grounded. By the wiring structure for the shielding layers of the generating set, the shielding layers of the signal cables of the same signal are consecutive, so that the effects of avoiding interference among signals and reducing difficulty in troubleshooting can be achieved.
Description
Technical field
The present invention relates to aerogenerator field, especially, relate to a kind of wiring construction of screen of Gas Turbine Generating Units.
Background technology
Many barss that the main equipment room of QDR20 Gas Turbine Generating Units produces mainly utilize many barss cable to carry one to one signal to integrated control cabinet.Between main equipment room and integrated control cabinet, be provided with transfer box.Therefore, signal cable is cut off by transfer box, thereby forms first signal cable and secondary signal cable.
The two ends of first signal cable connect respectively the transducer of main equipment room and the binding post of transfer box.The two ends of secondary signal cable connect respectively binding post and the integrated control cabinet that transfer box is corresponding.The shielding layer grounding that connects many first signal cables of transfer box, the screen of many secondary signal cables of connection integrated control cabinet is ground connection also.
As known from the above, the screen of first signal cable and secondary signal cable is incoherent, and many screen weave in ground connection easily makes the mutual interference of signal phase, simultaneously, due to screen weave in, when breaking down, be difficult to accurately locate fault point, strengthened the difficulty that fault is got rid of.
Summary of the invention
The object of the invention is to provide a kind of wiring construction of screen of generating set, to solve Gas Turbine Generating Units connection main equipment room, do not link up with the screen that is connected the first cable of transfer box and integrated control cabinet with the first cable of transfer box, and many screens of weave in make the mutual interference of signal phase, strengthened the technical problem of fault eliminating difficulty simultaneously.
For achieving the above object, according to an aspect of the present invention, a kind of wiring construction of screen of generating set is provided, generating set comprises main equipment room and through many barss cable, is connected in the control cubicle of main equipment room, generating set also comprises the transfer box being arranged between main equipment room and control cubicle, signal cable comprises many first signal cables and many secondary signal cables, between main equipment room and transfer box, by first signal cable, be connected, between transfer box and control cubicle, by secondary signal cable, be connected, and many first signal cable is connected through transfer box correspondingly with many secondary signal cables, the screen of each first signal cable connects through transfer box with the screen of corresponding secondary signal cable, the shielding layer grounding of secondary signal cable.
Further, transfer box comprises a plurality of signal converting terminals, and each first signal cable connects with corresponding secondary signal cable through a signal converting terminal.
Further, transfer box also comprises a plurality of screen conversion terminals that arrange with signal converting terminal intervals, and the screen of first signal cable is the screen connection with corresponding secondary signal cable through screen conversion terminal.
Further, control cubicle includes signal receiving end a plurality of and the corresponding connection of secondary signal cable, corresponding signal receiving end that connects of secondary signal cable.
Further, control cubicle also comprises and the spaced a plurality of shielding layer grounding terminals of signal receiving end, and the screen of secondary signal cable is through corresponding shielding layer grounding terminal ground connection.
The present invention has following beneficial effect:
Adopt the wiring construction of the screen of generating set of the present invention, can be so that the screen between the signal cable of same signal link up, and then can reach signal and be difficult for phase mutual interference, and reduce the effect that fault is got rid of difficulty.
Except object described above, feature and advantage, the present invention also has other object, feature and advantage.Below with reference to figure, the present invention is further detailed explanation.
Accompanying drawing explanation
The accompanying drawing that forms the application's a part is used to provide a further understanding of the present invention, and schematic description and description of the present invention is used for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the structural representation of wiring construction of screen of the generating set of the preferred embodiment of the present invention, wherein, and the screen that dotted ellipse is signal cable.
Embodiment
Below in conjunction with accompanying drawing, embodiments of the invention are elaborated, but the multitude of different ways that the present invention can be defined by the claims and cover is implemented.
Referring to Fig. 1, (particularly QDR20 Gas Turbine Generating Units comprises main equipment room 1 to Gas Turbine Generating Units, main equipment room 1 includes a plurality of transducers for detection of signal, as temperature sensor 11, pressure sensor 13, speed probe 15, control of valve position transducer 17 and feedback transducer 19, be respectively used to detect temperature signal, pressure signal, tach signal, control of valve position signal and the feedback signal of main equipment room 1.The signal that transducer detects need be monitored to control cubicle 7 through many barss cable transmission.
Preferably, temperature sensor 11, pressure sensor 13, speed probe 15, control of valve position transducer 17 and feedback transducer 19 are connected to control cubicle 7 through temperature signal cable, pressure signal cable, tach signal cable, control of valve position signal cable and feedback signal cable respectively.
Between main equipment room 1 and control cubicle 7, be provided with transfer box 5.Signal cable is cut off between main equipment room 1 and control cubicle 7, thereby forms first signal cable and secondary signal cable.First signal cable is connected with secondary signal cable through the signal converting terminal of transfer box 5.Particularly, temperature signal cable is cut off rear formation the first temperature signal cable and the second temperature signal cable.The first temperature signal cable is connected in the first signal conversion terminal 51 of transfer box 5, the second temperature signal cable is also connected in first signal conversion terminal 51, like this, the first temperature signal cable and the second temperature signal cable can be connected, and then can realize the transmission of temperature signal.In like manner, pressure signal cable is cut off the first pressure signal cable and the second pressure signal cable of rear formation and is connected through the secondary signal conversion terminal 53 of transfer box 5, and then can realize the transmission of pressure signal.In like manner, tach signal cable is cut off the first tach signal cable and the second tach signal cable of rear formation and is connected through the 3rd signal converting terminal 55 of transfer box 5, and then can realize the transmission of tach signal.In like manner, control of valve position signal cable is cut off the first control of valve position signal cable and the second valve position control signal cable of rear formation and is connected through the 4th signal converting terminal 57 of transfer box 5, and then can realize the transmission of control of valve position signal.In like manner, feedback signal cable is cut off the first feedback signal cable and the second feedback signal cable of rear formation and is connected through the 5th signal converting terminal 59 of transfer box 5, and then can realize the transmission of feedback signal.
Preferably, transfer box 5 also comprises a plurality of screen conversion terminals that arrange with signal converting terminal intervals.Particularly, the screen of the first temperature signal cable, the first pressure signal cable, the first tach signal cable, the first control of valve position signal cable and the first feedback signal cable is connected to the first screen conversion terminal 52, secondary shielding layer conversion terminal 54, the 3rd screen conversion terminal 56, the 4th screen conversion terminal 58 and the 5th screen conversion terminal 50 of transfer box 5.
Preferably, secondary signal cable is connected in signal receiving end of control cubicle 7.Particularly, the second temperature signal cable, the second pressure signal cable, the second tach signal cable, the second valve position control signal cable and the second feedback signal cable are connected in first signal reception terminal 71, secondary signal reception terminal 73, the 3rd signal receiving end 75, the 4th signal receiving end the 77 and the 5th signal receiving end 79 of control cubicle 7 accordingly.For anti-stop signal disturbs mutually, preferably, control cubicle 7 is also provided with and the spaced shielding layer grounding terminal of signal receiving end.Particularly, the screen of first end of the second temperature signal cable, the second pressure signal cable, the second tach signal cable, the second valve position control signal cable and the second feedback signal cable that is connected in control cubicle 7 is respectively through the first shielding layer grounding terminal 72, secondary shielding layer earth terminal 74, the 3rd shielding layer grounding terminal 76, the 4th shielding layer grounding terminal 78 and the 5th shielding layer grounding terminal 70 ground connection.
In order to make to transmit the screen of the signal cable of same signal, remain perforation, the screen of the second end that is connected in the second temperature signal cable, the second pressure signal cable, the second tach signal cable, the second valve position control signal cable and the second feedback signal cable of transfer box 5 is connected in respectively the first screen conversion terminal 52, secondary shielding layer conversion terminal 54, the 3rd screen conversion terminal 56, the 4th screen conversion terminal 58 and the 5th screen conversion terminal 50 accordingly.Like this, the screen of the first temperature signal cable, the first pressure signal cable, the first tach signal cable, the first control of valve position signal cable and the first feedback signal cable is connected with the screen of corresponding the second temperature signal cable, the second pressure signal cable, the second tach signal cable, the second valve position control signal cable and the second feedback signal cable through the first screen conversion terminal 52, secondary shielding layer conversion terminal 54, the 3rd screen conversion terminal 56, the 4th screen conversion terminal 58 and the 5th screen conversion terminal 50 respectively.So, can be so that the screen of the signal cable of same signal remains perforation.
As known from the above, adopt the wiring construction of the screen of above-mentioned generating set, can be so that the screen between the signal cable of same signal link up, and then can reach signal and be difficult for phase mutual interference, and reduce the effect that fault is got rid of difficulty.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (5)
1. the wiring construction of the screen of a generating set, described generating set comprises main equipment room (1) and through many barss cable, is connected in the control cubicle (7) of described main equipment room (1), described generating set also comprises the transfer box (5) being arranged between described main equipment room (1) and described control cubicle (7), it is characterized in that, described signal cable comprises many first signal cables and many secondary signal cables, between described main equipment room (1) and described transfer box (5), by described first signal cable, be connected, between described transfer box (5) and described control cubicle (7), by described secondary signal cable, be connected, and described many first signal cables are connected through described transfer box (5) correspondingly with described many secondary signal cables, described in each, the screen of first signal cable connects through described transfer box (5) with the screen of corresponding described secondary signal cable, the shielding layer grounding of described secondary signal cable.
2. the wiring construction of the screen of generating set according to claim 1, it is characterized in that, described transfer box (5) comprises a plurality of signal converting terminals, and described in each, first signal cable connects with corresponding described secondary signal cable through signal converting terminal described in.
3. the wiring construction of the screen of generating set according to claim 2, it is characterized in that, described transfer box (5) also comprises a plurality of screen conversion terminals that arrange with described signal converting terminal intervals, and the screen of described first signal cable is the screen connection with corresponding described secondary signal cable through described screen conversion terminal.
4. according to the wiring construction of the screen of the generating set described in claim 2 or 3, it is characterized in that, described control cubicle (7) includes signal receiving end of the corresponding connection of a plurality of and described secondary signal cable, described signal receiving end of the corresponding connection of described secondary signal cable.
5. the wiring construction of the screen of generating set according to claim 4, it is characterized in that, described control cubicle (7) also comprises and the spaced a plurality of shielding layer grounding terminals of described signal receiving end, and the screen of described secondary signal cable is through the described shielding layer grounding terminal ground connection of correspondence.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110338223.5A CN102509983B (en) | 2011-10-31 | 2011-10-31 | Wiring structure for shielding layers of generating set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110338223.5A CN102509983B (en) | 2011-10-31 | 2011-10-31 | Wiring structure for shielding layers of generating set |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102509983A CN102509983A (en) | 2012-06-20 |
| CN102509983B true CN102509983B (en) | 2014-02-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110338223.5A Expired - Fee Related CN102509983B (en) | 2011-10-31 | 2011-10-31 | Wiring structure for shielding layers of generating set |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5391095A (en) * | 1993-08-31 | 1995-02-21 | At&T Corp. | Enhancement of 10 base T networks |
| US6675254B1 (en) * | 2000-09-29 | 2004-01-06 | Intel Corporation | System and method for mid-plane interconnect using switched technology |
| CN201904509U (en) * | 2010-10-21 | 2011-07-20 | 中广核工程有限公司 | Grounding structure of shielding layer of control cable of nuclear power plant |
| CN201946821U (en) * | 2010-11-18 | 2011-08-24 | 株洲南方燃气轮机成套制造安装有限公司 | Transfer box of generator set of container type gas turbine |
| CN202352967U (en) * | 2011-10-31 | 2012-07-25 | 株洲南方燃气轮机成套制造安装有限公司 | Wiring structure for shielding layer for generator set |
-
2011
- 2011-10-31 CN CN201110338223.5A patent/CN102509983B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5391095A (en) * | 1993-08-31 | 1995-02-21 | At&T Corp. | Enhancement of 10 base T networks |
| US6675254B1 (en) * | 2000-09-29 | 2004-01-06 | Intel Corporation | System and method for mid-plane interconnect using switched technology |
| CN201904509U (en) * | 2010-10-21 | 2011-07-20 | 中广核工程有限公司 | Grounding structure of shielding layer of control cable of nuclear power plant |
| CN201946821U (en) * | 2010-11-18 | 2011-08-24 | 株洲南方燃气轮机成套制造安装有限公司 | Transfer box of generator set of container type gas turbine |
| CN202352967U (en) * | 2011-10-31 | 2012-07-25 | 株洲南方燃气轮机成套制造安装有限公司 | Wiring structure for shielding layer for generator set |
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| Publication number | Publication date |
|---|---|
| CN102509983A (en) | 2012-06-20 |
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