CN205862149U - On-off signal signal acquiring board based on synchronous serial bus technology - Google Patents
On-off signal signal acquiring board based on synchronous serial bus technology Download PDFInfo
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- CN205862149U CN205862149U CN201620457882.9U CN201620457882U CN205862149U CN 205862149 U CN205862149 U CN 205862149U CN 201620457882 U CN201620457882 U CN 201620457882U CN 205862149 U CN205862149 U CN 205862149U
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- fpga
- acquiring board
- serial bus
- synchronous serial
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Abstract
A kind of On-off signal signal acquiring board based on synchronous serial bus technology, including photoelectrical coupler, FPGA, LVDS transceiver；The input of described photoelectrical coupler is connected to the terminal block of analog input card；The outfan of described photoelectrical coupler is connected with FPGA；Described FPGA is connected with master board by LVDS transceiver.On-off signal signal acquiring board can realize, for equipment, the On-off signal information that automation function provides stable as the collection of electric automatization facility switching amount input signal, can be as the plug type On-off signal signal acquiring board of electric automatization equipment.This utility model technology maturation, reliability are high.
Description
Technical field
This utility model belongs to a kind of power equipment plug-in unit, is mainly used in electric automatization facility switching amount input signal
Gather, commonly use board for electric automatization equipment, hot-pluggable and do not burn out equipment.
Background technology
Communication major part between traditional each board of electric automatization device uses the mode that signal directly transmits.Signal is straight
Connecing load mode is to use the having or without coming effectiveness and the ineffectivity of representation signal of signal.This mode has one significantly
Shortcoming: when signal path interrupted, the receiving terminal of signal will be unable to determine the state of signal.And use FPGA to conveniently realize
Wired real-time Data Transmission of high reliability.At transmitting terminal, after needing the data transmitted to first pass through coding module coding, by light
The cable networks such as fibre, cable send；At receiving terminal, the signal after front end receiver adjusts circuit sends into FPGA, by decoding electricity
Export after the decoding of road.Whether the data that output is the most also received by decoding circuit make mistakes, network connects the information such as whether interruption,
Thus ensure that the data of output are true and reliable.
The program has that real-time is good, controllability is high, tissue is flexible and the feature such as physical connection is few.Can effectively save
Pcb board space and cost.
For preferably compatible electric automatization equipment, use On-off signal signal based on synchronous serial bus technology
Collection plate, can well solve the dilatation demand of equipment.
Summary of the invention
The purpose of this utility model is to overcome the deficiency in prior art, proposes switch based on synchronous serial bus technology
Amount input signal collection plate, has filled up the blank of domestic and international correlative technology field.
The technical solution of the utility model is as follows:
A kind of On-off signal signal acquiring board based on synchronous serial bus technology, including photoelectrical coupler, FPGA,
LVDS transceiver；It is characterized by:
The input of described photoelectrical coupler is connected to the terminal block of collection plate；
The outfan of described photoelectrical coupler is connected with FPGA；
Described FPGA is connected with master board by LVDS transceiver.
This utility model still further comprises following preferred version:
Described On-off signal signal acquiring board built in light electric coupler, the on-off model of collection plate output has good
Good electrical isolation capabilities and capacity of resisting disturbance.
The described built-in FPGA of On-off signal signal acquiring board, can realize wired real-time Data Transmission of high reliability.
The level signal that FPGA exports is converted to differential signal by described LVDS transceiver, improves FPGA and master board
Transmission speed.
Described On-off signal signal acquiring board is hot-pluggable.
The operation principle of On-off signal signal acquiring board based on synchronous serial bus technology is: the switching value etc. of input
The signal of telecommunication drives the light emitting diode in photoelectrical coupler, is allowed to send the light of certain wavelength, is visited by the light in photoelectrical coupler
Survey device to receive and produce photoelectric current, then export after amplifying further.This completes the conversion of electric light electricity, thus rise
To the effect inputting, exporting, isolate.Owing to being mutually isolated between photo-coupler input and output, signal of telecommunication transmission has unipolarity etc.
Feature, thus there is good electrical isolation capabilities and capacity of resisting disturbance, the signal of photoelectrical coupler output is conciliate through FPGA coding
After Ma, by LDVS transceiver and master board communication, reach wired real-time Data Transmission of high reliability, thus realize switch
The collection of amount input signal.
Advantage of the present utility model is as follows:
1. On-off signal signal acquiring board based on synchronous serial bus technology uses network communication mode, can realize height
Wired real-time Data Transmission of reliability, has the advantages that real-time is good, controllability is high, tissue is flexible and physical connection is few.Can
Effective saving pcb board space and cost.
2. board uses plug-in structure, can plug in the energized state and not burn out main frame.
3. On-off signal signal acquiring board based on synchronous serial bus technology is for electric automatization place capacity
It is the most convenient to extend, and collection plate can be optionally plugged into expansion slot, it is only necessary to change mainboard program.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
Wherein B1-1 ..., B1-16 represent the photoelectrical coupler of 16 passages；B2-1 be FPGA, A3-1 be LVDS transmitting-receiving
Device.
Fig. 2 is data transfer model figure.
Fig. 3 is photoelectric coupling schematic diagram.
Detailed description of the invention
Below in conjunction with description such as figure, by specific embodiment, the technical solution of the utility model is made the most specifically
Bright.
The utility model proposes a kind of On-off signal signal acquiring board based on synchronous serial bus technology.Collection plate
Operation principle be: the signal of telecommunication such as the switching value of input drives the light emitting diode in photoelectrical coupler, is allowed to send a standing wave
Long light, is received by the photo-detector in photoelectrical coupler and produces photoelectric current, then exports after amplifying further.This is the completeest
Become the conversion of electric light electricity, thus play input, the effect exporting, isolating.Due to mutual between photo-coupler input and output
Isolation, signal of telecommunication transmission has the features such as unipolarity, thus has good electrical isolation capabilities and capacity of resisting disturbance, photoelectric coupling
The signal of device output is after FPGA coding and decoding, and by LDVS transceiver and master board communication, reach high reliability has
Line real-time Data Transmission, thus realize the collection of On-off signal signal.
Collection plate is made up of photoelectrical coupler, FPGA, LVDS transceiver, and all components and parts are welded on one piece of pcb board.
Collection plate principle is as it is shown in figure 1, photoelectrical coupler B1-1～B1-16, FPGAB2-1, LVDS transceiver B3-1.Defeated
The signals of telecommunication such as the switching value entered drive the light emitting diode in photoelectrical coupler, are allowed to send the light of certain wavelength, by light thermocouple
Photo-detector in clutch receives and produces photoelectric current, then exports after amplifying further.This completes electric light electricity
Conversion, thus play input, the effect exporting, isolating.Owing to being mutually isolated between photo-coupler input and output, the signal of telecommunication transmits
There is the features such as unipolarity, thus there is good electrical isolation capabilities and capacity of resisting disturbance, the signal warp of photoelectrical coupler output
After FPGA coding and decoding, communicated with master board B4-1 by LDVS transceiver, reach wired real time data of high reliability
Transmission, thus realize the collection of On-off signal signal.
Data transfer model is as in figure 2 it is shown, the on-off model processed by photoelectrical coupler 101 passes with " parallel data "
Defeated mode is connected with FPGA201, after FPGA coding and decoding, by LVDS transceiver 301 with " serial data " mode and master control
Making sheet 401 communicates, thus realizes wired real-time Data Transmission of high reliability.
Photoelectric coupling principle is as it is shown on figure 3, the signal of telecommunication such as switching value of input drives the light-emitting diodes in photoelectrical coupler
Pipe, is allowed to send the light of certain wavelength, is received by the photo-detector in photoelectrical coupler and produces photoelectric current, then through further
Export after amplification.This completes the conversion of electric light electricity, thus play input, the effect exporting, isolating.
Claims (5)
1. an On-off signal signal acquiring board based on synchronous serial bus technology, including photoelectrical coupler, FPGA, LVDS
Transceiver, is characterized by:
The input of described photoelectrical coupler is connected to the terminal block of collection plate；
The outfan of described photoelectrical coupler is connected with FPGA；
Described FPGA is connected with master board by LVDS transceiver.
On-off signal signal acquiring board based on synchronous serial bus technology the most according to claim 1, is characterized by:
Described On-off signal signal acquiring board built in light electric coupler, the on-off model of collection plate output has good
Electrical isolation capabilities and capacity of resisting disturbance.
On-off signal signal acquiring board based on synchronous serial bus technology the most according to claim 1, is characterized by:
The described built-in FPGA of On-off signal signal acquiring board, can realize wired real-time Data Transmission of high reliability.
On-off signal signal acquiring board based on synchronous serial bus technology the most according to claim 1, is characterized by:
The level signal that FPGA exports is converted to differential signal by described LVDS transceiver, improves the biography of FPGA and master board
Defeated speed.
On-off signal signal acquiring board based on synchronous serial bus technology the most according to claim 1, is characterized by:
Described On-off signal signal acquiring board is hot-pluggable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620457882.9U CN205862149U (en) | 2016-05-18 | 2016-05-18 | On-off signal signal acquiring board based on synchronous serial bus technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620457882.9U CN205862149U (en) | 2016-05-18 | 2016-05-18 | On-off signal signal acquiring board based on synchronous serial bus technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205862149U true CN205862149U (en) | 2017-01-04 |
Family
ID=57642800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620457882.9U Expired - Fee Related CN205862149U (en) | 2016-05-18 | 2016-05-18 | On-off signal signal acquiring board based on synchronous serial bus technology |
Country Status (1)
| Country | Link |
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| CN (1) | CN205862149U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107168172A (en) * | 2017-06-09 | 2017-09-15 | 北京丹华昊博电力科技有限公司 | Switch acquisition device based on CPLD |
| CN110471331A (en) * | 2019-07-19 | 2019-11-19 | 西安中车永电电气有限公司 | A kind of input and output board and control method |
-
2016
- 2016-05-18 CN CN201620457882.9U patent/CN205862149U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107168172A (en) * | 2017-06-09 | 2017-09-15 | 北京丹华昊博电力科技有限公司 | Switch acquisition device based on CPLD |
| CN107168172B (en) * | 2017-06-09 | 2020-06-30 | 北京丹华昊博电力科技有限公司 | Switching value acquisition device based on CPLD |
| CN110471331A (en) * | 2019-07-19 | 2019-11-19 | 西安中车永电电气有限公司 | A kind of input and output board and control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170630 Address after: 100085 Middle East Road, Beijing, No. 6, Central District, Haidian District Co-patentee after: NANJING DANHUAHAOBO ELECTRIC POWER TECHNOLOGY Co.,Ltd. Patentee after: BEIJING DANHUA HAOBO POWER SCIENCE AND TECHNOLOGY CO.,LTD. Address before: 211505 Jiangsu city of Nanjing province Nanjing city Liuhe District Longchi street Xiongzhou Road No. 399 building five unit 224 Hengli Park Room 202 Patentee before: NANJING DANHUAHAOBO ELECTRIC POWER TECHNOLOGY Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170104 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |