CN204681383U - A kind of high-speed data acquistion system based on Networks of Fiber Communications - Google Patents
A kind of high-speed data acquistion system based on Networks of Fiber Communications Download PDFInfo
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- CN204681383U CN204681383U CN201520418202.8U CN201520418202U CN204681383U CN 204681383 U CN204681383 U CN 204681383U CN 201520418202 U CN201520418202 U CN 201520418202U CN 204681383 U CN204681383 U CN 204681383U
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Abstract
The utility model relates to technical field of optical fiber communication, especially a kind of high-speed data acquistion system based on Networks of Fiber Communications.It comprises signal input module, signal conditioning circuit, A/D convertor circuit, the first control chip, the second control chip and optical fiber transmission module; Signal is also inputed to signal conditioning circuit by signal input module Received signal strength, signal carries out nursing one's health and the signal after conditioning is inputed to A/D convertor circuit by signal conditioning circuit, signal is carried out AD conversion and the signal after conversion is inputed to the first control chip by A/D convertor circuit, first control chip signal is carried out arranging and by arrange after signal feedback to optical fiber transmission module, signal is inputed to the second control chip by Networks of Fiber Communications by signal by optical fiber transmission module, and the second control chip is by signals revivification and export.The utility model realizes the transfer of data of Networks of Fiber Communications by optical fiber transmission module, and its structure is simple, easy to operate, has very strong practicality.
Description
Technical field
The utility model relates to technical field of optical fiber communication, especially a kind of high-speed data acquistion system based on Networks of Fiber Communications.
Background technology
As everyone knows, in recent years, the critical role El benefit of data acquisition in modern industry production and scientific research is outstanding, to the speed of data acquisition and the I1l that has higher requirement of acquisition channel number.Along with the increase of sample frequency and sampling channel number, how fast and effeciently the transfer of data collected in a large number is become a severe problem to treatment facility.During distant particularly between treatment facility and data acquisition equipment, this problem seems particularly outstanding.
Traditional data acquisition board many employings Based PC I, usb bus interface, these Interface Expandings are poor, complex structure, transmission rate and transmission range are limited, make it be not suitable for using under said system.And optical fiber communication has transmission rate soon, the advantages such as long transmission distance, antijamming capability are strong, can solve the problem very well.
Utility model content
For above-mentioned the deficiencies in the prior art, the purpose of this utility model is to provide a kind of high-speed data acquistion system based on Networks of Fiber Communications.
To achieve these goals, the utility model adopts following technical scheme:
Based on a high-speed data acquistion system for Networks of Fiber Communications, it comprises signal input module, signal conditioning circuit, A/D convertor circuit, the first control chip, the second control chip and optical fiber transmission module;
Signal is also inputed to signal conditioning circuit by described signal input module Received signal strength, signal carries out nursing one's health and the signal after conditioning is inputed to A/D convertor circuit by described signal conditioning circuit, signal is carried out AD conversion and the signal after conversion is inputed to the first control chip by described A/D convertor circuit, described first control chip signal is carried out arranging and by arrange after signal feedback to optical fiber transmission module, signal is inputed to the second control chip by Networks of Fiber Communications by signal by described optical fiber transmission module, and described second control chip is by signals revivification and export;
Described optical fiber transmission module comprises some groups of transport modules, described transport module comprises a TLK1501 chip, optical fiber transmitting element, optical fiber receiving element and the 2nd TLK1501 chip, a described TLK1501 chip receives the signal of the first control chip feedback and inputs to optical fiber transmitting element after arranging, signal is inputed to optical fiber receiving element by Networks of Fiber Communications by described optical fiber transmitting element, signal is inputed to the 2nd TLK1501 chip by described optical fiber receiving element, signal carries out arranging and signal is inputed to the second control chip by described 2nd TLK1501 chip.
Preferably, described first control chip and the second control chip are fpga chip.
Preferably, described signal conditioning circuit comprises differential amplification chip, described differential amplification chip is AD8138 chip, 1 end pin of described differential amplification chip and 2 end pin are by the first resistance access power supply and respectively by the second resistance, 3rd grounding through resistance, 4 end pin of described differential amplification chip to be connected with the 3rd resistance by the 4th resistance and to pass through the 5th resistance of connecting successively and the first capacity earth, 8 end pin of described differential amplification chip are connected with A/D convertor circuit with the 3rd electric capacity by the 8th resistance of connecting successively, described 3rd electric capacity is by the 8th grounding through resistance, 8 end pin of described differential amplification chip are parallel with the 7th resistance and by the 6th resistance of connecting successively and the second capacity earth.
Preferably, described first control chip and the second control chip are all electrically connected with clock circuit.
Owing to have employed such scheme, the utility model realizes the transfer of data of Networks of Fiber Communications by optical fiber transmission module; Meanwhile, utilize some groups of transport modules to transmit respectively, avoid the mutual interference between data, improve transmission rate, its structure is simple, easy to operate, has very strong practicality.
Accompanying drawing explanation
Fig. 1 is the structural principle schematic diagram of the utility model embodiment;
Fig. 2 is the electrical block diagram of the signal conditioning circuit of the utility model embodiment.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail, but the multitude of different ways that the utility model can be defined by the claims and cover is implemented.
As shown in Figure 1 to Figure 2, a kind of high-speed data acquistion system based on Networks of Fiber Communications that the present embodiment provides, it comprises signal input module 1, signal conditioning circuit 2, A/D convertor circuit 3, first control chip 5, second control chip 8 and optical fiber transmission module 6;
Signal is also inputed to signal conditioning circuit 2 by signal input module 1 Received signal strength, signal carries out nursing one's health and the signal after conditioning is inputed to A/D convertor circuit 3 by signal conditioning circuit 2, signal is carried out AD conversion and the signal after conversion is inputed to the first control chip 5 by A/D convertor circuit 3, first control chip 5 signal is carried out arranging and by arrange after signal feedback to optical fiber transmission module 6, signal to be inputed to the second control chip 8, second control chip 8 by signals revivification by Networks of Fiber Communications and exports by signal by optical fiber transmission module 6;
Optical fiber transmission module 6 comprises some groups of transport modules 7, transport module 7 comprises a TLK1501 chip 101, optical fiber transmitting element 102, optical fiber receiving element 103 and the 2nd TLK1501 chip 104, one TLK1501 chip 101 receives the signal of the first control chip 5 feedback and inputs to optical fiber transmitting element 102 after arranging, signal is inputed to optical fiber receiving element 103 by Networks of Fiber Communications by optical fiber transmitting element 102, signal is inputed to the 2nd TLK1501 chip 104 by optical fiber receiving element 103, signal carries out arranging and signal is inputed to the second control chip 8 by the 2nd TLK1501 chip 104.
The present embodiment realizes the transfer of data of Networks of Fiber Communications by optical fiber transmission module 6; Meanwhile, utilize some groups of transport modules 6 to transmit respectively, avoid the mutual interference between data, data can efficiently be transmitted fast.Conversion and the reduction of data-signal is wherein realized by a TLK1501 chip 101 and the 2nd TLK1501 chip 104.
For optimization system, first control chip 5 of the present embodiment and the second control chip 8 all adopt fpga chip.Meanwhile, the first control chip 5 and the second control chip 8 are all electrically connected with clock circuit 4, and it utilizes clock circuit 4 respectively access time information, facilitate follow-uply check and operate.
The signal conditioning circuit 2 of the present embodiment can adopt circuit structure as shown in Figure 2, namely differential amplification chip U1 is comprised, differential amplification chip U1 is AD8138 chip, the 1 end pin of differential amplification chip U1 and 2 end pin are by the first resistance R1 access power supply and respectively by the second resistance R2, 3rd resistance R3 ground connection, the 4 end pin of differential amplification chip U1 to be connected with the 3rd resistance R3 by the 4th resistance R4 and to pass through the 5th resistance R5 that connects successively and the first electric capacity C1 ground connection, the 8 end pin of differential amplification chip U1 are connected with A/D convertor circuit 3 with the 3rd electric capacity C3 by the 8th resistance R8 connected successively, 3rd electric capacity C3 is by the 8th resistance R8 ground connection, the 8 end pin of differential amplification chip U1 are parallel with the 7th resistance R7 and by the 6th resistance R6 that connects successively and the second electric capacity C2 ground connection.
The foregoing is only preferred embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every utilize the utility model specification and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (4)
1. based on a high-speed data acquistion system for Networks of Fiber Communications, it is characterized in that: it comprises signal input module, signal conditioning circuit, A/D convertor circuit, the first control chip, the second control chip and optical fiber transmission module, signal is also inputed to signal conditioning circuit by described signal input module Received signal strength, signal carries out nursing one's health and the signal after conditioning is inputed to A/D convertor circuit by described signal conditioning circuit, signal is carried out AD conversion and the signal after conversion is inputed to the first control chip by described A/D convertor circuit, described first control chip signal is carried out arranging and by arrange after signal feedback to optical fiber transmission module, signal is inputed to the second control chip by Networks of Fiber Communications by signal by described optical fiber transmission module, and described second control chip is by signals revivification and export, described optical fiber transmission module comprises some groups of transport modules, described transport module comprises a TLK1501 chip, optical fiber transmitting element, optical fiber receiving element and the 2nd TLK1501 chip, a described TLK1501 chip receives the signal of the first control chip feedback and inputs to optical fiber transmitting element after arranging, signal is inputed to optical fiber receiving element by Networks of Fiber Communications by described optical fiber transmitting element, signal is inputed to the 2nd TLK1501 chip by described optical fiber receiving element, signal carries out arranging and signal is inputed to the second control chip by described 2nd TLK1501 chip.
2. a kind of high-speed data acquistion system based on Networks of Fiber Communications as claimed in claim 1, is characterized in that: described first control chip and the second control chip are fpga chip.
3. a kind of high-speed data acquistion system based on Networks of Fiber Communications as claimed in claim 1, it is characterized in that: described signal conditioning circuit comprises differential amplification chip, described differential amplification chip is AD8138 chip, 1 end pin of described differential amplification chip and 2 end pin are by the first resistance access power supply and respectively by the second resistance, 3rd grounding through resistance, 4 end pin of described differential amplification chip to be connected with the 3rd resistance by the 4th resistance and to pass through the 5th resistance of connecting successively and the first capacity earth, 8 end pin of described differential amplification chip are connected with A/D convertor circuit with the 3rd electric capacity by the 8th resistance of connecting successively, described 3rd electric capacity is by the 8th grounding through resistance, 8 end pin of described differential amplification chip are parallel with the 7th resistance and by the 6th resistance of connecting successively and the second capacity earth.
4. a kind of high-speed data acquistion system based on Networks of Fiber Communications as described in any one of claim 1-3, is characterized in that: described first control chip and the second control chip are all electrically connected with clock circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520418202.8U CN204681383U (en) | 2015-06-17 | 2015-06-17 | A kind of high-speed data acquistion system based on Networks of Fiber Communications |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520418202.8U CN204681383U (en) | 2015-06-17 | 2015-06-17 | A kind of high-speed data acquistion system based on Networks of Fiber Communications |
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| CN204681383U true CN204681383U (en) | 2015-09-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520418202.8U Expired - Fee Related CN204681383U (en) | 2015-06-17 | 2015-06-17 | A kind of high-speed data acquistion system based on Networks of Fiber Communications |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109766295A (en) * | 2018-12-30 | 2019-05-17 | 中孚信息股份有限公司 | A kind of high-speed data unidirectional transmission method and device |
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2015
- 2015-06-17 CN CN201520418202.8U patent/CN204681383U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109766295A (en) * | 2018-12-30 | 2019-05-17 | 中孚信息股份有限公司 | A kind of high-speed data unidirectional transmission method and device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150930 Termination date: 20160617 |
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| CF01 | Termination of patent right due to non-payment of annual fee |