CN107276680B - Multichannel photoelectricity optical signal integrated circuit change-over panel - Google Patents
Multichannel photoelectricity optical signal integrated circuit change-over panel Download PDFInfo
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- CN107276680B CN107276680B CN201710578317.7A CN201710578317A CN107276680B CN 107276680 B CN107276680 B CN 107276680B CN 201710578317 A CN201710578317 A CN 201710578317A CN 107276680 B CN107276680 B CN 107276680B
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- 230000003287 optical effect Effects 0.000 title claims abstract description 68
- 230000005622 photoelectricity Effects 0.000 title claims abstract description 39
- 239000000835 fiber Substances 0.000 claims abstract description 44
- 239000013307 optical fiber Substances 0.000 claims abstract description 23
- 238000006243 chemical reaction Methods 0.000 claims abstract description 11
- 230000005611 electricity Effects 0.000 claims abstract description 8
- 230000009466 transformation Effects 0.000 claims abstract description 7
- 239000003990 capacitor Substances 0.000 claims description 23
- 230000000087 stabilizing effect Effects 0.000 claims description 15
- 238000009434 installation Methods 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 4
- 230000001360 synchronised effect Effects 0.000 abstract description 2
- 230000008054 signal transmission Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 3
- 210000001367 artery Anatomy 0.000 description 2
- 230000003137 locomotive effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 210000003462 vein Anatomy 0.000 description 2
- 241000271559 Dromaiidae Species 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/40—Transceivers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/25—Arrangements specific to fibre transmission
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Optical Couplings Of Light Guides (AREA)
Abstract
The present invention relates to electro-optical signal integrated circuit change-over panels, specially multichannel photoelectricity optical signal integrated circuit change-over panel, solve that current single channel optical drive signal circuit board optical fiber cable is difficult to plug, structure is too fat to move, optical fiber cable is easy wrong plug, installation maintenance is inconvenient, poor reliability, the problem of can not achieve multipath light signal while using distribution, scheme: the plate body including being equipped with multipair photoelectric signal transformation circuit, photoelectric signal transformation circuit includes input circuit and feed circuit；Input circuit includes power circuit and conversion circuit, and conversion circuit includes that the electric circuit of light turn and electricity turn optical circuit；The fiber optic receiver of input circuit is connect with control system, and fiber optic emitter is connect with driving plate；The fiber optic receiver of feed circuit is connect with driving plate, and fiber optic emitter is connect with control system.Advantage: simplified topology saves space；It solves the problems, such as synchronous electric signal when the application of multichannel IGBT parallel circuit while inputting；Solves the problems, such as inconvenient plug；Conversion circuit quantity can extend in pairs.
Description
Technical field
The present invention relates to electro-optical signal integrated circuit change-over panels, specially multichannel photoelectricity optical signal integrated circuit change-over panel.
Background technique
With the development of high-power electric locomotive and high-speed EMUs Semiconductor Converting Technology, power cell is as entire current transformer
Core component also just develops towards the direction of high frequency, miniaturization, intelligence, high reliability.Due to the limit of converter structure layout
System, the driving signal that locomotive, motor-car control unit issue are needed to get to power cell by the transmission of certain distance, be driven
The quality of cell input signal and feedback signal transmission by be related to power cell can normal reliable work.Traditional method
It is to be connected using single channel optical drive signal, carries out the transmission of signal.But it has the following deficiencies: that 1, optical fiber cable is difficult to plug；2,
Structure is very too fat to move；3, wire size is easy to fasten one person's story upon another person when plugging optical fiber；4, installation maintenance is inconvenient, poor reliability；5, it cannot achieve
Multipath light signal is simultaneously using distribution.Therefore, designing one kind can be realized multipath light signal while using distribution, and transmitting can
Leaning on, is small in size, facilitating installation maintenance, the multichannel photoelectricity optical signal integrated circuit change-over panel with Anti-misplug function is that extremely have must
It wants.
Summary of the invention
The present invention solves that current single channel optical drive signal circuit board optical fiber cable is difficult to plug, structure is too fat to move, optical fiber cable is easy
Wrong plug, installation maintenance inconvenience, poor reliability provide a kind of multichannel the problem of can not achieve multipath light signal while using distribution
Photoelectricity optical signal integrated circuit change-over panel.
The present invention is achieved by the following technical solutions: multichannel photoelectricity optical signal integrated circuit change-over panel, including plate body,
Multipair photoelectric signal transformation circuit is set side by side on the plate body, the photoelectric signal transformation circuit includes that photoelectricity optical signal is defeated
Enter circuit and photoelectricity optical signal feedback circuit in contrast；The photoelectricity optical signal input circuit includes power circuit and photoelectricity
Light conversion circuit, the smooth electro-optical conversion circuit include that optical signal turns electrical signal circuitry and electric signal turns optical signal circuit；It is described
It includes the fiber optic receiver that input terminal is connect with control system, the output end of the fiber optic receiver that optical signal, which turns electrical signal circuitry,
It is connect with one end of pull-up resistor, the other end of the pull-up resistor is connect with power circuit, the output of the fiber optic receiver
End is also connect with the input terminal of Schmidt trigger, and the output end of the Schmidt trigger is connected with electric signal and turns optical signal electricity
The voltage end on road, the fiber optic receiver is connect with external power supply, and the ground terminal of the fiber optic receiver is connected to ground, the light
First capacitor is also connected between the voltage end and ground terminal of fine receiver；It includes the first electricity that the electric signal, which turns optical signal circuit,
The output end of resistance, one end of the first resistor and Schmidt trigger connects, and the other end is grounded after the second capacitor, and described the
The other end of one resistance is also connect with the cathode of zener diode, the anode of the zener diode respectively with second resistance one
The input terminal at end, the cathode of first diode and the fiber optic emitter being connect by optical fiber cable with the pulse input end of driving plate
Connection, remaining each end of the other end of the second resistance, the anode of first diode and fiber optic emitter are connected to ground；Institute
Stating power circuit includes voltage stabilizing chip, and the input terminal of the voltage stabilizing chip connects with one end of external power supply and third capacitor respectively
It connects, the output end of the voltage stabilizing chip connects with one end of the other end of pull-up resistor, one end of the 4th capacitor, the 5th capacitor respectively
Connect, the other end of the third capacitor, the other end of the 4th capacitor, the other end of the 5th capacitor, voltage stabilizing chip ground terminal with
Ground connection；The photoelectricity optical signal feedback circuit is identical as photoelectricity optical signal input circuit structure, the photoelectricity optical signal feedback
The input terminal of the fiber optic receiver of circuit and the feedback end of driving plate are connected by optical fiber cable, the photoelectricity optical signal feedback circuit
The output end of fiber optic emitter connect with control system by optical fiber.The pulse incoming fiber optic receiver that control system issues,
Turn electrical signal circuitry by optical signal, turn optical signal circuit using electric signal and be converted to optical signal, then passes through optical fiber for arteries and veins
It rushes input signal and is transmitted to driving plate, guarantee reliably opening and turn off for IGBT.Driving plate feedback signal transmission and input pulse
The transmission of signal turns electrical signal circuitry by optical signal, using electricity on the contrary, by the input terminal of intelligent acess fiber optic receiver
Signal turns optical signal circuit and is converted to optical signal, and fiber optic emitter passes through optical fiber output to control system, with Guarantee control system
Real-time accurate monitoring to IGBT.Multichannel photoelectricity optical signal integrated circuit change-over panel uses differential signal transmission, inhibits common mode dry
It disturbs.The input terminal of power circuit is inputted certain DC voltage by external power supply, as the reference power source of pull-up resistor, is passed through simultaneously
Cross the DC voltage needed for voltage stabilizing chip is provided to fiber optic receiver.
The invention has the following advantages that 1, using multichannel photoelectricity optic integrated circuit change-over panel distribute signal, simplify route cloth
Office saves space；2, using multichannel photoelectricity optic integrated circuit change-over panel, electricity is synchronized when solving the application of multichannel IGBT parallel circuit
Signal inputs problem simultaneously；3, it using multichannel photoelectricity optic integrated circuit change-over panel, solves since compact overall structure, power are close
Degree is big, and caused power cell low voltage connector is inconvenient to plug problem；4, conversion circuit quantity can be pairs of according to system requirements
Extension.
Detailed description of the invention
Fig. 1 is multichannel photoelectricity optical signal integrated circuit change-over panel structural schematic diagram；
Fig. 2 is photoelectricity optical signal input circuit schematic diagram；
Fig. 3 is power circuit schematic diagram.
Specific embodiment
Multichannel photoelectricity optical signal integrated circuit change-over panel, including plate body are set side by side with multipair optical telecommunications on the plate body
Number conversion circuit, the photoelectric signal transformation circuit include that photoelectricity optical signal input circuit and photoelectricity optical signal in contrast are anti-
Current feed circuit；The photoelectricity optical signal input circuit includes power circuit and light electro-optical conversion circuit, the smooth electro-optical conversion circuit
Turn electrical signal circuitry including optical signal and electric signal turns optical signal circuit；The optical signal turn electrical signal circuitry include input terminal with
The fiber optic receiver of control system connection, the output end of the fiber optic receiver and one end of pull-up resistor connect, the pull-up
The other end of resistance is connect with power circuit, and the output end of the fiber optic receiver also connects with the input terminal of Schmidt trigger
Connect, the output end of the Schmidt trigger is connected with electric signal and turns optical signal circuit, the voltage end of the fiber optic receiver with
External power supply connection, the ground terminal of the fiber optic receiver is connected to ground, the voltage end and ground terminal of the fiber optic receiver it
Between be also connected with first capacitor；It includes first resistor that the electric signal, which turns optical signal circuit, one end of the first resistor with apply
The output end of schmitt trigger connects, and the other end is grounded after the second capacitor, the other end of the first resistor also with pressure stabilizing two
The cathode of pole pipe connects, the anode of the zener diode respectively with one end of second resistance, first diode cathode and
The input terminal for the fiber optic emitter being connect with the pulse input end of driving plate by optical fiber cable connects, the second resistance it is another
Remaining each end of end, the anode of first diode and fiber optic emitter is connected to ground；The power circuit includes voltage stabilizing chip,
The input terminal of the voltage stabilizing chip is connect with one end of external power supply and third capacitor respectively, the output end point of the voltage stabilizing chip
It is not connect with one end of the other end of pull-up resistor, one end of the 4th capacitor, the 5th capacitor, the other end of the third capacitor,
The other end, the other end of the 5th capacitor, the ground terminal of voltage stabilizing chip of 4th capacitor are connected to ground；The photoelectricity optical signal feedback
Circuit is identical as photoelectricity optical signal input circuit structure, the input terminal of the fiber optic receiver of the photoelectricity optical signal feedback circuit with
The feedback end of driving plate is connected by optical fiber cable, and the output end of the fiber optic emitter of the photoelectricity optical signal feedback circuit passes through light
Fibre is connect with control system.
When installing and using, the input terminal of the fiber optic receiver of photoelectricity optical signal input circuit and control system are passed through into optical fiber
Connection connects the fiber optic emitter of photoelectricity optical signal input circuit and the pulse input end of driving plate by optical fiber.And by light
The input terminal of the fiber optic receiver of electro-optical signal feed circuit and the feedback end of driving plate are connected by optical fiber, by photoelectricity optical signal
The fiber optic emitter of feed circuit is connect with control system by optical fiber.The pulse incoming fiber optic receiver that control system issues,
Turn electrical signal circuitry by optical signal, turn optical signal circuit using electric signal and be converted to optical signal, then passes through optical fiber for arteries and veins
It rushes input signal and is transmitted to driving plate, guarantee reliably opening and turn off for IGBT.Driving plate feedback signal transmission and input pulse
The transmission of signal turns electrical signal circuitry by optical signal, using electricity on the contrary, by the input terminal of intelligent acess fiber optic receiver
Signal turns optical signal circuit and is converted to optical signal, and fiber optic emitter passes through optical fiber output to control system, with Guarantee control system
Real-time accurate monitoring to IGBT.The input terminal of power circuit is inputted certain DC voltage by external power supply, as pull-up electricity
The reference power source of resistance, while required DC voltage is provided to optical signal transmission circuit by voltage stabilizing chip.
Claims (1)
1. a kind of multichannel photoelectricity optical signal integrated circuit change-over panel, including plate body, it is characterised in that: be set side by side on the plate body
There is a multipair photoelectric signal transformation circuit, the photoelectric signal transformation circuit includes photoelectricity optical signal input circuit and in contrast
Photoelectricity optical signal feedback circuit；The photoelectricity optical signal input circuit includes power circuit and light electro-optical conversion circuit, the light
Electro-optical conversion circuit includes that optical signal turns electrical signal circuitry and electric signal turns optical signal circuit；The optical signal turns electrical signal circuitry
Including the fiber optic receiver that input terminal is connect with control system, the output end of the fiber optic receiver and one end of pull-up resistor connect
Connect, the other end of the pull-up resistor is connect with power circuit, the output end of the fiber optic receiver also with Schmidt trigger
Input terminal connection, the output end of the Schmidt trigger is connected with electric signal and turns optical signal circuit, the fiber optic receiver
Voltage end connect with external power supply, the ground terminal of the fiber optic receiver is connected to ground, the voltage end of the fiber optic receiver
First capacitor is also connected between ground terminal；It includes first resistor that the electric signal, which turns optical signal circuit, the first resistor
One end and the output end of Schmidt trigger connect, the other end is grounded after the second capacitor, the other end of the first resistor
Also connect with the cathode of zener diode, the anode of the zener diode respectively with one end of second resistance, first diode
Cathode and the input terminal of the fiber optic emitter being connect with the pulse input end of driving plate by optical fiber cable connect, described second
Remaining each end of the other end of resistance, the anode of first diode and fiber optic emitter is connected to ground；The power circuit packet
Voltage stabilizing chip is included, the input terminal of the voltage stabilizing chip is connect with one end of external power supply and third capacitor respectively, the pressure stabilizing core
The output end of piece is connect with one end of the other end of pull-up resistor, one end of the 4th capacitor, the 5th capacitor respectively, the third electricity
The other end of appearance, the other end of the 4th capacitor, the other end of the 5th capacitor, the ground terminal of voltage stabilizing chip are connected to ground；The light
Electro-optical signal feed circuit is identical as photoelectricity optical signal input circuit structure, and the optical fiber of the photoelectricity optical signal feedback circuit receives
The input terminal of device and the feedback end of driving plate are connected by optical fiber cable, the fiber optic emitter of the photoelectricity optical signal feedback circuit
Output end is connect by optical fiber with control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710578317.7A CN107276680B (en) | 2017-07-16 | 2017-07-16 | Multichannel photoelectricity optical signal integrated circuit change-over panel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710578317.7A CN107276680B (en) | 2017-07-16 | 2017-07-16 | Multichannel photoelectricity optical signal integrated circuit change-over panel |
Publications (2)
| Publication Number | Publication Date |
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| CN107276680A CN107276680A (en) | 2017-10-20 |
| CN107276680B true CN107276680B (en) | 2019-10-08 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3546970A1 (en) * | 2018-03-29 | 2019-10-02 | Koninklijke Philips N.V. | A radio frequency (rf) antenna element with an optical back-end |
| CN112712689B (en) * | 2020-12-29 | 2022-06-14 | 中车永济电机有限公司 | Multifunctional photoelectric signal acquisition device |
| CN113438027A (en) * | 2021-05-25 | 2021-09-24 | 衢州元立金属制品有限公司 | Encoder pulse signal photoelectric conversion analog signal receiving and transmitting control circuit |
| CN114280447B (en) * | 2021-11-18 | 2023-12-19 | 中车永济电机有限公司 | Pulse signal testing device and method for rail transit power converter |
| CN117834019B (en) * | 2024-01-04 | 2025-01-03 | 苏州博众仪器科技有限公司 | High-voltage differential electrical isolation system for single-circuit bidirectional communication transmission |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101630910A (en) * | 2009-07-13 | 2010-01-20 | 永济新时速电机电器有限责任公司 | Driving circuit of high-voltage current transformer |
| EP2458726A1 (en) * | 2009-07-21 | 2012-05-30 | Hitachi, Ltd. | Power conversion device |
| CN103138538A (en) * | 2011-11-23 | 2013-06-05 | 永济新时速电机电器有限责任公司 | Photovoltaic conversion unit |
| CN204886677U (en) * | 2015-08-29 | 2015-12-16 | 永济新时速电机电器有限责任公司 | Be applicable to train high pressure IGBT drive arrangement |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110236030A1 (en) * | 2010-03-26 | 2011-09-29 | Ibiden Co., Ltd. | Optical interconnect and signal transmission method |
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2017
- 2017-07-16 CN CN201710578317.7A patent/CN107276680B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101630910A (en) * | 2009-07-13 | 2010-01-20 | 永济新时速电机电器有限责任公司 | Driving circuit of high-voltage current transformer |
| EP2458726A1 (en) * | 2009-07-21 | 2012-05-30 | Hitachi, Ltd. | Power conversion device |
| CN103138538A (en) * | 2011-11-23 | 2013-06-05 | 永济新时速电机电器有限责任公司 | Photovoltaic conversion unit |
| CN204886677U (en) * | 2015-08-29 | 2015-12-16 | 永济新时速电机电器有限责任公司 | Be applicable to train high pressure IGBT drive arrangement |
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| CN107276680A (en) | 2017-10-20 |
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