CN101969341A - Optical path switching interface mechanism for fiber channel test of relay protection device - Google Patents
Optical path switching interface mechanism for fiber channel test of relay protection device Download PDFInfo
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Abstract
The invention relates to an optical path switching interface mechanism for a fiber channel test of a relay protection device. The power end of a control module is connected with a control power supply; the input end of the control module is connected with a button switching switch, and the output end is connected with a drive module; an optical path switching module comprises at least two photomagnetic switches and more than four optical fiber transmitting interfaces and optical fiber receiving interfaces; the output end of the drive module is respectively connected with the control ends of two photomagnetic switches; two input ends of the first photomagnetic switch K1 are respectively connected with the first optical fiber transmitting interface TX1 and the third optical fiber transmitting interface TX3, and two output ends are respectively connected with the second optical fiber transmitting interface TX2 and the fourth optical fiber transmitting interface TX4; two input ends of the second photomagnetic switch K2 are respectively connected with the second optical fiber receiving interface RX2 and the third optical fiber receiving interface RX3, and two output ends are respectively connected with the first optical fiber receiving interface RX1 and the fourth optical fiber receiving interface RX4. The invention is convenient to complete the protection test and the optical fiber channel test work through the optical path switching of multiple interfaces.
Description
Technical field
The switching-over light path interface agency is used in the optical-fibre channel test that the present invention relates to a kind of protective relaying device, belongs to the protective relaying device technical field.
Background technology
Secondary device in the electric power system is used for the work of primary equipment is monitored, controls, regulates, protected and for operation, attendant provide operating condition or produce the required low voltage electrical equipment of command signal, and relaying protection mechanism is important secondary loop in power system equipment.Along with the progressively popularization of intelligent substation and intelligent grid, its traditional cable communication mode is replaced by the optical fiber and digital communication mode.When the protection of 220kV and above optical-fibre channel reaches measuring light power in protection verification test; need frequently fiber cable joint to be mounted and dismounted from protective relaying device; therefore be easy to cause the wearing and tearing of optical cable interface and optical fiber interface contact-making surface attenuation to increase; thereby influence the accuracy of protective relaying device verification; even, bring hidden danger for the safe and reliable operation of power circuit main protection because the optical cable interface damages.
And present optical fiber protecting equipment both domestic and external does not have standard and perfect checking process as yet for the verification of protective device verification, the especially optical-fibre channel of scene operation.
Summary of the invention
It is a kind of under the optical fiber interface situation without the dismounting protective relaying device that purpose of the present invention provides; light path by many interfaces is switched, and can finish the optical-fibre channel test switching-over light path interface agency of the protective relaying device of protection test and optical-fibre channel test job.
The present invention is that the technical scheme that achieves the above object is: the optical-fibre channel test switching-over light path interface agency of planting protective relaying device; it is characterized in that: comprise hood and be installed in the interior control module of hood; driver module and light path handover module; described control module is a complicated programmable logic device; the power end of control module is connected with the control power supply; the input of control module be installed in the hood panel on running status and the knob diverter switch of test mode be connected; the output of control module is connected with driver module; driver module is made of Darlington transistor; described light path handover module comprises at least two optomagnetic switches; transmission optical fiber interface more than four and the reception optical fiber interface more than four; the output of driver module is connected with the control end of two optomagnetic switches of light path handover module respectively; two inputs of the first optomagnetic K switch 1 connect first respectively and send optical fiber interface TX1 and the 3rd transmission optical fiber interface TX3; two outputs of the first optomagnetic K switch 1 connect second respectively and send optical fiber interface TX2 and the 4th transmission optical fiber interface TX4; two inputs of the second optomagnetic K switch 2 connect second respectively and receive optical fiber interface RX2 and the 3rd reception optical fiber interface RX3, and two outputs of the second optomagnetic K switch 2 connect first respectively and receive optical fiber interface RX1 and the 4th reception optical fiber interface RX3.
Switching-over light path interface agency of the present invention comprises control module, driver module and light path handover module, and control module is CPLD, and is cheap, powerful, and the customization arbitrarily as requested of control logic cocoa.Light path handover module of the present invention adopts magneto-optic shutter to be connected with transmission optical fiber interface and reception optical fiber interface, the realization passive light is switched, the high speed that helps light path is switched, and magneto-optic shutter have time response fast, switching time is short, loss is little, light path character changes little and the control characteristic of simple, provide the control signal of the light path handover module of corresponding conducting by control module, drive the light path that the light path handover module carries out many interfaces by driver module again and switch.The present invention is owing to the fiber cable joint that need not on the dismounting protective relaying device; can be connected with protective relaying device, light power meter or Optical attenuator by changeable light path interface agency; switch through light path; can enter normal running status and enter protection test and the test mode of optical-fibre channel test; the problem that loose contact problem that has solved optical fiber splice frequent dismounting on the protective relaying device and caused and optical fiber interface damage has important function for improving scene protection verification and maintenance levels.
Description of drawings
Below in conjunction with accompanying drawing embodiments of the invention are done further in detail carefully to state.
Fig. 1 is a structural representation of the present invention.
Fig. 2 is a theory diagram of the present invention.
Fig. 3 electrical schematic diagram that to be light path handover module of the present invention be connected with tested protection with the protection of this side.
Wherein: the 1-hood, 2-optical fiber interface indicator light group, 3-knob diverter switch, the 4-status indicator lamp, 5-controls power supply, 6-control module, 7-driver module, 8-driving power, 9-light path handover module.
Embodiment
See shown in Fig. 1～3; the optical-fibre channel test switching-over light path interface agency of protective relaying device of the present invention; comprise hood 1 and the control module 6 that is installed in the hood 1; driver module 7 and light path handover module 9; control module 6 of the present invention is a complicated programmable logic device; this complicated programmable logic device adopts altera corp to make; by the switching signal of control module 6 with light path handover module 9 input that corresponding conducting is provided; the power end of control module 6 is connected with control power supply 5; this control power supply 5 is taked DC24V; its power consumption is the smaller the better; the input of control module 6 with hood 1 panel is installed on running status and the knob diverter switch 3 of test mode be connected; this knob diverter switch 3 is to press at each; between " normal condition " and " test mode ", switch; gather the input signal of the knob diverter switch 3 on the panel by control module 6; through after the logical transition; conducting by two magneto-optic shutters of driver module 7 control or close is to reach the purpose that light path is switched.See shown in Figure 2, the output of control module 6 of the present invention is connected with driver module 7, driver module 7 is made of Darlington transistor, can adopt conventional one-level NPN Darlington triode, make the base stage of Darlington triode connect the output of control module 6, collector and emitter is connected with the input of two optomagnetic switches of light path handover module 9 respectively, and control module 6 drives the action of two magneto-optic shutters, driver module 7 external independent driving powers 8 of the present invention by driver module 7.See Fig. 2; shown in 3; light path handover module 9 of the present invention comprises at least two optomagnetic switches; transmission optical fiber interface more than four and the reception optical fiber interface more than four; this control module 6; driver module 7 and two optomagnetic switches all are welded on the circuit board; circuit board is installed in the hood 1 by insulation board or insulating barrier; the optical fiber interface that respectively sends of the present invention can adopt a PC/FC optical fiber splice with the reception optical fiber interface; and be separately fixed at the both sides of hood 1; have the optical fiber of joint by two ends and be connected, reach the purpose of protection test and optical-fibre channel test job with optical fiber interface on protective relaying device and light power meter or the Optical attenuator.See shown in Figure 2, the top of hood 1 of the present invention is respectively equipped with power interface, serial communication interface and locking interface etc., the output of driver module 7 is connected with the control end of two optomagnetic switches of light path handover module 9 respectively, to control the action of each optomagnetic switch respectively, optomagnetic switch can be selected 2 * 2A/D magneto-optic shutter for use, two inputs of the first optomagnetic K switch 1 connect first respectively and send optical fiber interface TX1 and the 3rd transmission optical fiber interface TX3, and two outputs of the first optomagnetic K switch 1 connect second respectively and send optical fiber interface TX2 and the 4th transmission optical fiber interface TX4; Two inputs of the second optomagnetic K switch 2 connect second respectively and receive optical fiber interface RX2 and the 3rd reception optical fiber interface RX3; two outputs of the second optomagnetic K switch 2 connect first respectively and receive optical fiber interface RX1 and the 3rd reception optical fiber interface RX3; during use; the first transmission optical fiber interface TX1 and first is received optical fiber interface RX1 be connected with reception anode RXa with the transmission anode TXa that this side of protective relaying device is protected, the second reception optical fiber interface RX2 and the second transmission optical fiber interface TX2 are connected with reception negative terminal RXb with the transmission negative terminal TXb of offside protection.
See shown in Figure 1, the present invention is positioned at hood 1 panel and respectively sends optical fiber interface and each and receive optical fiber interface place each optical fiber interface indicator light is installed respectively, and the output of control module 6 is connected with each optical fiber interface indicator light group 2, when finishing the light path switching, the corresponding optical fiber interface indicator light of control module 6 controls shows.On same hood 1 panel status indicator lamp 4 of running status and the status indicator lamp 4 of test mode are installed also, the output of same control module 6 is connected with each status indicator lamp 4, pressing when switching between " normal condition " and " test mode ", showing the state of input signal by status indicator lamp 4.
See shown in Figure 3; when the present invention works; when pressing knob diverter switch 3 and enter running status; signal is through the transmission anode TXa of this side of protective relaying device protection; first sends optical fiber interface TX1; the second input IN2 of the first optomagnetic K switch 1 and the first output OUT1; behind the second transmission optical fiber interface TX2; insert the reception negative terminal RXb of protective relaying device offside protection; transmission negative terminal TXb through the offside protection; second receives optical fiber interface RX2; enter the second input IN2 of the second optomagnetic K switch 2; the first output OUT1; receive optical fiber interface RX1 by first and enter the reception anode RXa that this side is protected, this moment, protective relaying device entered normal operation.
See shown in Figure 3; when the present invention works; when pressing knob diverter switch 3 and enter test mode; the switching-over light path passage; by external short fiber the 4th transmission optical fiber interface TX4 and the 3rd being received optical fiber interface RX3 is connected; the transmission anode TXa that this moment, signal was protected through this side of protective relaying device; first sends optical fiber interface TX1; the second input IN2 of the first optomagnetic K switch 1; the second output OUT2; the 4th sends optical fiber interface TX4; the 3rd receives optical fiber interface RX3; enter the first input end IN1 of the second optomagnetic K switch 2; again through the first output OUT1; receive optical fiber interface RX1 by first and enter the reception anode RXa that this side is protected a side, carry out the protection of this side from ring.
See shown in Figure 3; when the present invention works; when pressing knob diverter switch 3 and enter test mode; the switching-over light path passage; its the 4th transmission optical fiber interface TX4 connects light power meter; this moment, signal protected the transmission anode TXa, first of a side to send the second input IN2 of optical fiber interface TX1, the first optomagnetic K switch 1 through this side of protective relaying device, sent optical fiber interface TX4 and light power meter through the second output OUT2, the 4th again, can carry out the test of this side protection luminous power.
See shown in Figure 3; when the present invention works; when pressing knob diverter switch 3 and enter test mode; the switching-over light path passage; the 4th receives optical fiber interface RX4 connects light power meter; signal received the second input IN2 of optical fiber interface RX2, the second optomagnetic K switch 2, received optical fiber interface RX4 and light power meter through the second output OUT2, the 4th again through the transmission negative terminal TXb, second of protective relaying device offside protection this moment, carried out the test of offside protection luminous power.
See shown in Figure 3; when the present invention works; when pressing knob diverter switch 3 and enter test mode; the switching-over light path passage; Optical attenuator is connected on the 4th and receives between optical fiber interface RX4 and the 3rd reception optical fiber interface RX3; this moment, signal was protected the transmission negative terminal TXb of a side through the offside of protective relaying device; second receives optical fiber interface RX2; the second input IN2 of the second optomagnetic K switch 2; again through the second output OUT2; the 4th receives optical fiber interface RX4; Optical attenuator; the 3rd receives optical fiber interface RX3; first input end IN1 through the second optomagnetic K switch 2; the first output OUT1; after first receive the reception anode RXa that optical fiber interface RX1 enters the protection of this side, carry out the test of passage surplus.
Claims (4)
1. the optical-fibre channel of a protective relaying device is tested and is used the switching-over light path interface agency; it is characterized in that: comprise hood and be installed in the interior control module of hood; driver module and light path handover module; described control module is a complicated programmable logic device; the power end of control module is connected with the control power supply; the input of control module be installed in the hood panel on running status and the knob diverter switch of test mode be connected; the output of control module is connected with driver module; driver module is made of Darlington transistor; described light path handover module comprises at least two optomagnetic switches; transmission optical fiber interface more than four and the reception optical fiber interface more than four; the output of driver module is connected with the control end of two optomagnetic switches of light path handover module respectively; two inputs of the first optomagnetic K switch 1 connect first respectively and send optical fiber interface TX1 and the 3rd transmission optical fiber interface TX3; two outputs of the first optomagnetic K switch 1 connect second respectively and send optical fiber interface TX2 and the 4th transmission optical fiber interface TX4; two inputs of the second optomagnetic K switch 2 connect second respectively and receive optical fiber interface RX2 and the 3rd reception optical fiber interface RX3, and two outputs of the second optomagnetic K switch 2 connect first respectively and receive optical fiber interface RX1 and the 4th reception optical fiber interface RX3.
2. the switching-over light path interface agency is used in the test of the optical-fibre channel of protective relaying device according to claim 1, it is characterized in that: the external independent driving power of described driver module.
3. the optical-fibre channel of protective relaying device according to claim 1 is tested and is used the switching-over light path interface agency; it is characterized in that: described hood faceplate sends optical fiber interface and with each reception optical fiber interface place optical fiber interface indicator light group is installed respectively in each, and the output of control module is connected with optical fiber interface indicator light group.
4. the optical-fibre channel of protective relaying device according to claim 1 is tested and is used the switching-over light path interface agency; it is characterized in that: the status indicator lamp of running status and the status indicator lamp of test mode also are installed on the described hood panel, and the output of control module is connected with status indicator lamp.
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410132503.4A CN103929245B (en) | 2010-09-29 | 2010-09-29 | The test method of work of switching-over light path interface agency of protective relaying device |
| CN201410132044.XA CN103929239B (en) | 2010-09-29 | 2010-09-29 | The Channel Test of the protective relaying device method of work of switching-over light path interface agency |
| CN201410132485.XA CN103929244B (en) | 2010-09-29 | 2010-09-29 | The method of work of the switching-over light path interface agency of protective relaying device |
| CN201410132150.8A CN103929241B (en) | 2010-09-29 | 2010-09-29 | A kind of method of work of optical path switching interface mechanism for fiber channel test |
| CN201410132154.6A CN104243017B (en) | 2010-09-29 | 2010-09-29 | A kind of optical path switching interface mechanism for fiber channel test being applied to protective relaying device |
| CN201010502186.2A CN101969341B (en) | 2010-09-29 | 2010-09-29 | Optical path switching interface mechanism for fiber channel test of relay protection device |
| CN201410132045.4A CN103929240B (en) | 2010-09-29 | 2010-09-29 | A kind of method of work of the switching-over light path interface agency of protective relaying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010502186.2A CN101969341B (en) | 2010-09-29 | 2010-09-29 | Optical path switching interface mechanism for fiber channel test of relay protection device |
Related Child Applications (12)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410132024.2A Division CN103929235B (en) | 2010-09-29 | 2010-09-29 | A kind of optical path switching interface mechanism for fiber channel test of protective relaying device |
| CN201410132503.4A Division CN103929245B (en) | 2010-09-29 | 2010-09-29 | The test method of work of switching-over light path interface agency of protective relaying device |
| CN201410132427.7A Division CN103929243B (en) | 2010-09-29 | 2010-09-29 | Optical path switching interface mechanism for fiber channel test |
| CN201410132360.7A Division CN103888186B (en) | 2010-09-29 | 2010-09-29 | It is applied to the optical path switching interface mechanism for fiber channel test of protective relaying device |
| CN201410132485.XA Division CN103929244B (en) | 2010-09-29 | 2010-09-29 | The method of work of the switching-over light path interface agency of protective relaying device |
| CN201410132045.4A Division CN103929240B (en) | 2010-09-29 | 2010-09-29 | A kind of method of work of the switching-over light path interface agency of protective relaying device |
| CN201410131156.3A Division CN103929238B (en) | 2010-09-29 | 2010-09-29 | A kind of method of work of the test switching-over light path interface agency of protective relaying device |
| CN201410132359.4A Division CN103929242B (en) | 2010-09-29 | 2010-09-29 | The method of work of optical path switching interface mechanism for fiber channel test |
| CN201410132154.6A Division CN104243017B (en) | 2010-09-29 | 2010-09-29 | A kind of optical path switching interface mechanism for fiber channel test being applied to protective relaying device |
| CN201410132505.3A Division CN103929246B (en) | 2010-09-29 | 2010-09-29 | The method of work of switching-over light path interface agency for the optical-fibre channel of protective relaying device |
| CN201410132044.XA Division CN103929239B (en) | 2010-09-29 | 2010-09-29 | The Channel Test of the protective relaying device method of work of switching-over light path interface agency |
| CN201410132150.8A Division CN103929241B (en) | 2010-09-29 | 2010-09-29 | A kind of method of work of optical path switching interface mechanism for fiber channel test |
Publications (2)
| Publication Number | Publication Date |
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| CN101969341A true CN101969341A (en) | 2011-02-09 |
| CN101969341B CN101969341B (en) | 2014-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010502186.2A Active CN101969341B (en) | 2010-09-29 | 2010-09-29 | Optical path switching interface mechanism for fiber channel test of relay protection device |
| CN201410132485.XA Active CN103929244B (en) | 2010-09-29 | 2010-09-29 | The method of work of the switching-over light path interface agency of protective relaying device |
| CN201410132044.XA Active CN103929239B (en) | 2010-09-29 | 2010-09-29 | The Channel Test of the protective relaying device method of work of switching-over light path interface agency |
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| CN201410132485.XA Active CN103929244B (en) | 2010-09-29 | 2010-09-29 | The method of work of the switching-over light path interface agency of protective relaying device |
| CN201410132044.XA Active CN103929239B (en) | 2010-09-29 | 2010-09-29 | The Channel Test of the protective relaying device method of work of switching-over light path interface agency |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113391098A (en) * | 2021-06-15 | 2021-09-14 | 贵州电网有限责任公司 | Optical difference protection coaxial cable channel control device and control method thereof |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107528571B (en) * | 2017-09-07 | 2021-01-26 | 成都航天通信设备有限责任公司 | FPGA simulator switching device and method |
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- 2010-09-29 CN CN201010502186.2A patent/CN101969341B/en active Active
- 2010-09-29 CN CN201410132485.XA patent/CN103929244B/en active Active
- 2010-09-29 CN CN201410132044.XA patent/CN103929239B/en active Active
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| CN1595764A (en) * | 2004-06-22 | 2005-03-16 | 北京四方继保自动化股份有限公司 | Swap-free optical fiber multiplexing apparatus for relaying protection |
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| CN113391098A (en) * | 2021-06-15 | 2021-09-14 | 贵州电网有限责任公司 | Optical difference protection coaxial cable channel control device and control method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103929244A (en) | 2014-07-16 |
| CN103929239A (en) | 2014-07-16 |
| CN103929239B (en) | 2016-06-22 |
| CN101969341B (en) | 2014-04-16 |
| CN103929244B (en) | 2016-06-22 |
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