CN107276680A - 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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- CN107276680A CN107276680A CN201710578317.7A CN201710578317A CN107276680A CN 107276680 A CN107276680 A CN 107276680A CN 201710578317 A CN201710578317 A CN 201710578317A CN 107276680 A CN107276680 A CN 107276680A
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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
- 230000005611 electricity Effects 0.000 claims abstract description 8
- 230000009466 transformation Effects 0.000 claims abstract description 7
- 230000000087 stabilizing effect Effects 0.000 claims description 15
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 230000008054 signal transmission Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 3
- 210000001367 artery Anatomy 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000003137 locomotive effect Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 210000003462 vein Anatomy 0.000 description 2
- 239000008358 core component Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 230000001360 synchronised effect Effects 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 panel, 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, the easy wrong plug of optical fiber cable, install and safeguard inconvenience, poor reliability, multipath light signal can not be realized while the problem of using distribution, scheme：Including the plate body provided with multipair photoelectric signal transformation circuit, photoelectric signal transformation circuit includes input circuit and feedback circuit；Input circuit includes power circuit and change-over circuit, and change-over circuit includes the electric circuit of light turn and electricity turns optical circuit；The fiber optic receiver of input circuit is connected with control system, and fiber optic emitter is connected with driving plate；The fiber optic receiver of feedback circuit is connected with driving plate, and fiber optic emitter is connected with control system.Advantage：Simplified topology, saves space；Synchronization electric signal is while input problem when solution multichannel IGBT parallel circuits are applied；Solve the problems, such as inconvenient plug；Change-over circuit quantity can extend in pairs.
Description
Technical field
The present invention relates to electro-optical signal integrated circuit change-over panel, specially multichannel photoelectricity optical signal integrated circuit change-over panel.
Background technology
With the development of high-power electric locomotive and EMU Semiconductor Converting Technology, power cell is used as whole current transformer
Core component, also the direction just towards high frequency, miniaturization, intellectuality, high reliability develop.The limit being laid out due to converter structure
System, the drive signal that locomotive, motor-car control unit are sent needs to get to power cell by the transmission of certain distance, drives
The quality of cell input signal and feedback signal transmission by be related to power cell can normal reliable work.Traditional method
It is, using the connection of single channel optical drive signal, to carry out the transmission of signal.But there is following defect in it：1st, optical fiber cable is difficult to plug；2、
Structure is very too fat to move；Wire size is easily fastened one person's story upon another person when the 3rd, plugging optical fiber；4th, install and safeguard inconvenience, poor reliability；5th, it can not realize
Multipath light signal is simultaneously using distribution.Therefore, design one kind can realize multipath light signal while using distribution, and transmission can
Lean on, small volume, it is convenient install safeguard, the multichannel photoelectricity optical signal integrated circuit change-over panel with Anti-misplug function is that extremely have must
Want.
The content 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
Inconvenience, poor reliability are safeguarded in wrong plug, installation, it is impossible to realize multipath light signal while using there is provided a kind of multichannel the problem of 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 with the plate body, it is defeated that the photoelectric signal transformation circuit includes photoelectricity optical signal
Enter circuit and photoelectricity optical signal feedback circuit in contrast；The photoelectricity optical signal input circuit includes power circuit and photoelectricity
Light change-over circuit, the smooth electro-optical conversion circuit turns electrical signal circuitry including optical signal and electric signal turns optical signal circuit；It is described
Optical signal, which turns electrical signal circuitry, includes the fiber optic receiver that input is connected with control system, the output end of the fiber optic receiver
It is connected with one end of pull-up resistor, the other end of the pull-up resistor is connected with power circuit, the output of the fiber optic receiver
End is also connected with the input of Schmidt trigger, and the output end of the Schmidt trigger is connected with electric signal and turns optical signal electricity
Road, the voltage end of the fiber optic receiver is connected with external power source, and the earth terminal of the fiber optic receiver is connected to ground, the light
The first electric capacity is also associated between the voltage end and earth terminal of fine receiver；The electric signal, which turns optical signal circuit, includes the first electricity
The output end of resistance, one end of the first resistor and Schmidt trigger is connected, and the other end is grounded after the second electric capacity, and described the
The other end of one resistance is also connected with the negative electrode of voltage-regulator diode, the anode of the voltage-regulator diode respectively with second resistance one
The input at end, the negative electrode of the first diode and the fiber optic emitter being connected with the pulse input end of driving plate by optical fiber cable
Connection, remaining each end of the other end of the second resistance, the anode of the first diode and fiber optic emitter is connected to ground；Institute
Power circuit is stated including voltage stabilizing chip, the one end of the input of the voltage stabilizing chip respectively with external power source and the 3rd electric capacity connects
Connect, the output end of the voltage stabilizing chip other end respectively with pull-up resistor, one end of the 4th electric capacity, one end of the 5th electric capacity connect
Connect, the other end of the 3rd electric capacity, the other end of the 4th electric capacity, the other end of the 5th electric capacity, the earth terminal of voltage stabilizing chip with
Ground is connected；The photoelectricity optical signal feedback circuit is identical with photoelectricity optical signal input circuit structure, the photoelectricity optical signal feedback
The input 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 be connected by optical fiber with control system.The pulse incoming fiber optic receiver that control system is sent,
Turn electrical signal circuitry by optical signal, then turn optical signal circuit by electric signal to be converted to optical signal, then by optical fiber by arteries and veins
Rush input signal to transmit to driving plate, it is ensured that the reliable of IGBT opens and turned off.Driving plate feedback signal transmission and input pulse
The transmission of signal is on the contrary, by the input of intelligent acess fiber optic receiver, electrical signal circuitry is turned by optical signal, then by electricity
Signal turns optical signal circuit and is converted to optical signal, and fiber optic emitter is by 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, and suppression common mode is done
Disturb.The input of power circuit is inputted certain DC voltage by external power source, as the reference power source of pull-up resistor, while through
The DC voltage crossed needed for voltage stabilizing chip is provided to fiber optic receiver.
The present invention has advantages below：1st, signal is distributed using multichannel photoelectricity optic integrated circuit change-over panel, simplifies circuit cloth
Office, saves space；2nd, using multichannel photoelectricity optic integrated circuit change-over panel, synchronous electricity when multichannel IGBT parallel circuits are applied is solved
Signal inputs problem simultaneously；3rd, using multichannel photoelectricity optic integrated circuit change-over panel, solve because compact overall structure, power are close
Degree is big, the inconvenient plug problem of caused power cell low voltage connector；4th, change-over circuit quantity can be paired according to system requirements
Extension.
Brief description of the drawings
Fig. 1 is that multichannel photoelectricity optical signal integrated circuit changes plate structure schematic diagram；
Fig. 2 is photoelectricity optical signal input circuit schematic diagram；
Fig. 3 is power circuit schematic diagram.
Embodiment
Multipair optical telecommunications are set side by side with multichannel photoelectricity optical signal integrated circuit change-over panel, including plate body, the plate body
Number change-over circuit, the photoelectric signal transformation circuit includes photoelectricity optical signal input circuit and photoelectricity optical signal in contrast is 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 including input with
The fiber optic receiver of control system connection, the output end of the fiber optic receiver and one end of pull-up resistor are connected, the pull-up
The other end of resistance is connected with power circuit, and the output end of the fiber optic receiver also connects with the input 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 source is connected, and the earth terminal of the fiber optic receiver is connected to ground, the voltage end and earth terminal of the fiber optic receiver it
Between be also associated with the first electric capacity；The electric signal, which turns optical signal circuit, includes first resistor, and one end of the first resistor is with applying
The output end connection of schmitt trigger, the other end is grounded after the second electric capacity, the other end of the first resistor also with voltage stabilizing two
The negative electrode connection of pole pipe, the anode of voltage-regulator diode one end respectively with second resistance, the negative electrode of the first diode and
The fiber optic emitter being connected with the pulse input end of driving plate by optical fiber cable input connection, the second resistance it is another
Remaining each end of end, the anode of the first diode and fiber optic emitter is connected to ground；The power circuit includes voltage stabilizing chip,
The one end of the input of the voltage stabilizing chip respectively with external power source and the 3rd electric capacity is connected, the output end point of the voltage stabilizing chip
The other end, one end of the 4th electric capacity not with pull-up resistor, one end of the 5th electric capacity are connected, the other end of the 3rd electric capacity,
The other end, the other end of the 5th electric capacity, the earth terminal of voltage stabilizing chip of 4th electric capacity are connected to ground；The photoelectricity optical signal feedback
Circuit is identical with photoelectricity optical signal input circuit structure, the input 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 connected with control system.
When installing and using, the input of the fiber optic receiver of photoelectricity optical signal input circuit and control system are passed through into optical fiber
Connection, the pulse input end of the fiber optic emitter of photoelectricity optical signal input circuit and driving plate is connected by optical fiber.And by light
The input of the fiber optic receiver of electro-optical signal feedback circuit and the feedback end of driving plate are connected by optical fiber, by photoelectricity optical signal
The fiber optic emitter of feedback circuit is connected with control system by optical fiber.The pulse incoming fiber optic receiver that control system is sent,
Turn electrical signal circuitry by optical signal, then turn optical signal circuit by electric signal to be converted to optical signal, then by optical fiber by arteries and veins
Rush input signal to transmit to driving plate, it is ensured that the reliable of IGBT opens and turned off.Driving plate feedback signal transmission and input pulse
The transmission of signal is on the contrary, by the input of intelligent acess fiber optic receiver, electrical signal circuitry is turned by optical signal, then by electricity
Signal turns optical signal circuit and is converted to optical signal, and fiber optic emitter is by optical fiber output to control system, with Guarantee control system
Real-time accurate monitoring to IGBT.The input of power circuit is inputted certain DC voltage by external power source, is used as pull-up electricity
The reference power source of resistance, while the DC voltage needed for being provided by voltage stabilizing chip to optical signal transmission circuit.
Claims (1)
1. a kind of multichannel photoelectricity optical signal integrated circuit change-over panel, including plate body, it is characterised in that：It is set up in parallel 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 turns electrical signal circuitry including optical signal and electric signal turns optical signal circuit；The optical signal turns electrical signal circuitry
The fiber optic receiver being connected including input 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 connected with power circuit, the output end of the fiber optic receiver also with Schmidt trigger
Input connection, the output end of the Schmidt trigger is connected with electric signal and turns optical signal circuit, the fiber optic receiver
Voltage end be connected with external power source, the earth terminal of the fiber optic receiver is connected to ground, the voltage end of the fiber optic receiver
The first electric capacity is also associated between earth terminal；The electric signal, which turns optical signal circuit, includes first resistor, the first resistor
One end and the output end of Schmidt trigger connect, the other end is grounded after the second electric capacity, the other end of the first resistor
Also it is connected with the negative electrode of voltage-regulator diode, the anode of voltage-regulator diode one end respectively with second resistance, the first diode
Negative electrode and the fiber optic emitter being connected with the pulse input end of driving plate by optical fiber cable input connection, described second
Remaining each end of the other end of resistance, the anode of the first diode and fiber optic emitter is connected to ground；The power circuit bag
Include voltage stabilizing chip, the one end of the input of the voltage stabilizing chip respectively with external power source and the 3rd electric capacity is connected, the voltage stabilizing core
The output end of the piece other end respectively with pull-up resistor, one end of the 4th electric capacity, one end of the 5th electric capacity are connected, the 3rd electricity
The other end of appearance, the other end of the 4th electric capacity, the other end of the 5th electric capacity, the earth terminal of voltage stabilizing chip are connected to ground；The light
Electro-optical signal feedback circuit is identical with photoelectricity optical signal input circuit structure, and the optical fiber of the photoelectricity optical signal feedback circuit is received
The input 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 connected 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 |
|---|---|
| CN107276680A true CN107276680A (en) | 2017-10-20 |
| CN107276680B CN107276680B (en) | 2019-10-08 |
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| CN201710578317.7A Active CN107276680B (en) | 2017-07-16 | 2017-07-16 | Multichannel photoelectricity optical signal integrated circuit change-over panel |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112204410A (en) * | 2018-03-29 | 2021-01-08 | 皇家飞利浦有限公司 | Radio Frequency (RF) antenna element with optical back end |
| CN112712689A (en) * | 2020-12-29 | 2021-04-27 | 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 |
| CN114280447A (en) * | 2021-11-18 | 2022-04-05 | 中车永济电机有限公司 | Pulse signal testing device and method for rail transit power converter |
| CN117834019A (en) * | 2024-01-04 | 2024-04-05 | 苏州博众仪器科技有限公司 | High-voltage differential electrical isolation system for single-circuit bidirectional communication transmission |
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| 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 |
| US20110236030A1 (en) * | 2010-03-26 | 2011-09-29 | Ibiden Co., Ltd. | Optical interconnect and signal transmission method |
| 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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2017
- 2017-07-16 CN CN201710578317.7A patent/CN107276680B/en active Active
Patent Citations (5)
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|---|---|---|---|---|
| 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 |
| US20110236030A1 (en) * | 2010-03-26 | 2011-09-29 | Ibiden Co., Ltd. | Optical interconnect and signal transmission method |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112204410A (en) * | 2018-03-29 | 2021-01-08 | 皇家飞利浦有限公司 | Radio Frequency (RF) antenna element with optical back end |
| CN112712689A (en) * | 2020-12-29 | 2021-04-27 | 中车永济电机有限公司 | Multifunctional photoelectric signal acquisition device |
| 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 |
| CN114280447A (en) * | 2021-11-18 | 2022-04-05 | 中车永济电机有限公司 | Pulse signal testing device and method for rail transit power converter |
| 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 |
| CN117834019A (en) * | 2024-01-04 | 2024-04-05 | 苏州博众仪器科技有限公司 | High-voltage differential electrical isolation system for single-circuit bidirectional communication transmission |
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| Publication number | Publication date |
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| CN107276680B (en) | 2019-10-08 |
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