CN204302240U - Based on the split type channel ultrasonic check system of fibre optic data transmission - Google Patents
Based on the split type channel ultrasonic check system of fibre optic data transmission Download PDFInfo
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- CN204302240U CN204302240U CN201420858859.1U CN201420858859U CN204302240U CN 204302240 U CN204302240 U CN 204302240U CN 201420858859 U CN201420858859 U CN 201420858859U CN 204302240 U CN204302240 U CN 204302240U
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Abstract
This technology belongs to ultrasonic examination system field, is specifically related to a kind of split type channel ultrasonic check system based on fibre optic data transmission.Comprise probe, front root module, terminal module, collecting computer, front-end module comprises data acquisition module, optical module communication interface A, terminal module comprises optical module communication interface B, data processing module, wherein pop one's head in signal transmission to the data acquisition module in front root module, optical module communication interface A is passed to carry out data conversion in data acquisition module after, optical module communication interface A is by the optical module communication interface B in optical connection terminal module, pass to data processing module afterwards, data processing is carried out in data processing module, and terminal module is connected with collecting computer, signal finally passes to collecting computer, analyze in collecting computer.The utility model improves ultrasonic signal surplus sensitivity, reduces electromagnetic interference (EMI) simultaneously, improves signal to noise ratio (S/N ratio).
Description
Technical field
This technology belongs to ultrasonic examination system field, is specifically related to a kind of split type channel ultrasonic check system based on fibre optic data transmission.
Background technology
In nuclear industry Ultrasonic Nondestructive, such as reactor pressure vessel inspection, all needs multiple path ultrasonic flaw detector to detect inside workpiece whether defectiveness, if any then determining defect length, position and equivalent size.Multiple path ultrasonic flaw detector is wherein indispensable core, its Main Function, after carrying out data acquisition, A/D conversion, digital signal processing to each passage probe echoed signal, sends data to UT (Ultrasonic Testing) software carry out defect analysis by network.
In actual use, channel ultrasonic instrument, as an independently unit, is placed on somewhere work in nuclear island.When working long hours, the inlet and outlet of the radiator fan of Ultrasound Instrument can amass full dust, and owing to being operated in radioactive environment, be often mingled with radiomaterial in these dusts, some radiomaterial can enter instrument internal, causes personnel unexpected illuminated.Moreover, in reactor pressure vessel inspection item, the connection cable very long (about tens meters) of probe and Ultrasound Instrument, the easy like this cable winds that causes, in mechanical verification device, causes device damage, simultaneously, the longer impedance of cable is higher, result in the decay of ultrasonic signal, and long cable easily introduces outside electromagnetic interference, reduce signal to noise ratio (S/N ratio).
Summary of the invention
The purpose of this utility model is: provide a kind of split type channel ultrasonic check system based on fibre optic data transmission, solves Ultrasound Instrument in radioactive environment, uses institute's problems faced.
The technical solution of the utility model is as follows: a kind of split type channel ultrasonic check system based on fibre optic data transmission, comprise probe, front root module, terminal module, collecting computer, front-end module comprises data acquisition module, optical module communication interface A, terminal module comprises optical module communication interface B, data processing module, wherein pop one's head in signal transmission to the data acquisition module in front root module, optical module communication interface A is passed to carry out data conversion in data acquisition module after, optical module communication interface A is by the optical module communication interface B in optical connection terminal module, pass to data processing module afterwards, data processing is carried out in data processing module, and terminal module is connected with collecting computer, signal finally passes to collecting computer, analyze in collecting computer.
Data acquisition module comprises radiating circuit, receiving circuit, Signal-regulated kinase, A/D modular converter, optic fiber emission modules, power module circuitry A, power module circuitry A powers to each several part in data acquisition module, radiating circuit, receiving circuit, Signal-regulated kinase, A/D modular converter, optic fiber emission modules is connected successively, radiating circuit launches a signal to probe, a signal is fed back at once to receiving circuit after probe receives this signal, receiving circuit passes to Signal-regulated kinase after receiving again, after signal condition, pass to A/D modular converter carry out A/D conversion, pass to again after signal is converted to light signal by optic fiber emission modules and pass to optical module communication interface A, optical module communication interface A is by the optical module communication interface B in optical connection terminal module, light signal passes to data processing module.
Data processing module comprises optic fiber transceiver module, FPGA signal processing module, ARM, network bridging chip, RJ45 network, data-carrier store, power module circuitry B, power module circuitry B powers to each several part in data processing module, wherein optic fiber transceiver module, FPGA signal processing module, ARM, network bridging chip, RJ45 network is connected successively, light signal passes to optic fiber transceiver module, FPGA signal processing module is passed to after optic fiber transceiver module is converted to electric signal, after FPGA process, signal is stored among data-carrier store, and ARM can read signal from data-carrier store, again signal transmission to network bridging chip, its signal transmission is to RJ45 network, finally give collecting computer signal transmission.
Described probe has several.
Remarkable result of the present utility model is: reduce Ultrasound Instrument by the risk of radiocontamination, by split-type design and optical-fibre communications, only need an optical fiber cable cable tie to replace the ultrasonic cable of numerous complicated, improve ultrasonic signal surplus sensitivity, reduce electromagnetic interference (EMI) simultaneously, improve signal to noise ratio (S/N ratio).
Accompanying drawing explanation
Fig. 1 is a kind of split type channel ultrasonic check system schematic diagram based on fibre optic data transmission described in the utility model
Fig. 2 is a kind of split type channel ultrasonic check system data acquisition module schematic diagram based on fibre optic data transmission described in the utility model
Fig. 3 is a kind of split type channel ultrasonic check system data processing module schematic diagram based on fibre optic data transmission described in the utility model
Embodiment
Below in conjunction with drawings and the specific embodiments, the utility model is described in further detail.
As shown in Figure 1, based on the split type channel ultrasonic check system of fibre optic data transmission, comprise probe, front root module, terminal module, collecting computer, front-end module comprises data acquisition module, optical module communication interface A, terminal module comprises optical module communication interface B, data processing module, wherein pop one's head in signal transmission to the data acquisition module in front root module, optical module communication interface A is passed to carry out data conversion in data acquisition module after, optical module communication interface A is by the optical module communication interface B in optical connection terminal module, pass to data processing module afterwards, data processing is carried out in data processing module, and terminal module is connected with collecting computer, signal finally passes to collecting computer, analyze in collecting computer.
Data acquisition module comprises radiating circuit, receiving circuit, Signal-regulated kinase, A/D modular converter, optic fiber emission modules, power module circuitry A, power module circuitry A powers to each several part in data acquisition module, radiating circuit, receiving circuit, Signal-regulated kinase, A/D modular converter, optic fiber emission modules is connected successively, radiating circuit launches a signal to probe, a signal is fed back at once to accepting circuit after probe receives this signal, receiving circuit passes to Signal-regulated kinase after receiving again, after signal condition, pass to A/D modular converter carry out A/D conversion, pass to again after signal is converted to light signal by optic fiber emission modules and pass to optical module communication interface A, optical module communication interface A is by the optical module communication interface B in optical connection terminal module, light signal passes to data processing module.
Data processing module comprises optic fiber transceiver module, FPGA signal processing module, ARM, network bridging chip, RJ45 network, data-carrier store, power module circuitry B, power module circuitry B powers to each several part in data processing module, wherein optic fiber transceiver module, FPGA signal processing module, ARM, network bridging chip, RJ45 network is connected successively, light signal passes to optic fiber transceiver module, FPGA signal processing module is passed to after optic fiber transceiver module is converted to electric signal, after FPGA process, signal is stored among data-carrier store, and ARM can read signal from data-carrier store, again signal transmission to network bridging chip, its signal transmission is to RJ45 network, finally give collecting computer signal transmission.
Claims (4)
1. the split type channel ultrasonic check system based on fibre optic data transmission, it is characterized in that: comprise probe, front root module, terminal module, collecting computer, front-end module comprises data acquisition module, optical module communication interface A, terminal module comprises optical module communication interface B, data processing module, wherein pop one's head in signal transmission to the data acquisition module in front root module, optical module communication interface A is passed to carry out data conversion in data acquisition module after, optical module communication interface A is by the optical module communication interface B in optical connection terminal module, pass to data processing module afterwards, data processing is carried out in data processing module, and terminal module is connected with collecting computer, signal finally passes to collecting computer, analyze in collecting computer.
2. a kind of split type channel ultrasonic check system based on fibre optic data transmission according to claim 1, it is characterized in that: data acquisition module comprises radiating circuit, receiving circuit, Signal-regulated kinase, A/D modular converter, optic fiber emission modules, power module circuitry A, power module circuitry A powers to each several part in data acquisition module, radiating circuit, receiving circuit, Signal-regulated kinase, A/D modular converter, optic fiber emission modules is connected successively, radiating circuit launches a signal to probe, a signal is fed back at once to receiving circuit after probe receives this signal, receiving circuit passes to Signal-regulated kinase after receiving again, after signal condition, pass to A/D modular converter carry out A/D conversion, pass to again after signal is converted to light signal by optic fiber emission modules and pass to optical module communication interface A, optical module communication interface A is by the optical module communication interface B in optical connection terminal module, light signal passes to data processing module.
3. a kind of split type channel ultrasonic check system based on fibre optic data transmission according to claim 1, it is characterized in that: data processing module comprises optic fiber transceiver module, FPGA signal processing module, ARM, network bridging chip, RJ45 network, data-carrier store, power module circuitry B, power module circuitry B powers to each several part in data processing module, wherein optic fiber transceiver module, FPGA signal processing module, ARM, network bridging chip, RJ45 network is connected successively, light signal passes to optic fiber transceiver module, FPGA signal processing module is passed to after optic fiber transceiver module is converted to electric signal, after FPGA process, signal is stored among data-carrier store, and ARM can read signal from data-carrier store, again signal transmission to network bridging chip, its signal transmission is to RJ45 network, finally give collecting computer signal transmission.
4. a kind of split type channel ultrasonic check system based on fibre optic data transmission according to claim 1, is characterized in that: described probe has several.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420858859.1U CN204302240U (en) | 2014-12-30 | 2014-12-30 | Based on the split type channel ultrasonic check system of fibre optic data transmission |
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| CN201420858859.1U CN204302240U (en) | 2014-12-30 | 2014-12-30 | Based on the split type channel ultrasonic check system of fibre optic data transmission |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105806954A (en) * | 2014-12-30 | 2016-07-27 | 中核武汉核电运行技术股份有限公司 | Optic-fiber date transmission-based split-type multichannel ultrasonic detection system |
| CN111351849A (en) * | 2018-12-20 | 2020-06-30 | 核动力运行研究所 | Automatic ultrasonic signal acquisition and cooperative control system and method |
-
2014
- 2014-12-30 CN CN201420858859.1U patent/CN204302240U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105806954A (en) * | 2014-12-30 | 2016-07-27 | 中核武汉核电运行技术股份有限公司 | Optic-fiber date transmission-based split-type multichannel ultrasonic detection system |
| CN111351849A (en) * | 2018-12-20 | 2020-06-30 | 核动力运行研究所 | Automatic ultrasonic signal acquisition and cooperative control system and method |
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