CN112880810A - Nuclear power plant flow-induced vibration test data acquisition device - Google Patents
Nuclear power plant flow-induced vibration test data acquisition device Download PDFInfo
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- CN112880810A CN112880810A CN202110046215.7A CN202110046215A CN112880810A CN 112880810 A CN112880810 A CN 112880810A CN 202110046215 A CN202110046215 A CN 202110046215A CN 112880810 A CN112880810 A CN 112880810A
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- 238000012360 testing method Methods 0.000 title claims abstract description 29
- 238000007405 data analysis Methods 0.000 claims abstract description 64
- 238000013480 data collection Methods 0.000 claims description 13
- 230000001133 acceleration Effects 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 230000035485 pulse pressure Effects 0.000 claims description 2
- 230000001360 synchronised effect Effects 0.000 abstract description 5
- 238000013461 design Methods 0.000 abstract description 4
- 238000005259 measurement Methods 0.000 abstract description 4
- 238000004458 analytical method Methods 0.000 description 24
- 230000003750 conditioning effect Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 5
- 230000003287 optical effect Effects 0.000 description 5
- 238000012545 processing Methods 0.000 description 5
- 230000001143 conditioned effect Effects 0.000 description 4
- 230000008054 signal transmission Effects 0.000 description 3
- 230000003595 spectral effect Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000010606 normalization Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
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- 238000000034 method Methods 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H17/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves, not provided for in the preceding groups
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Abstract
The invention discloses a nuclear power plant flow induced vibration test data acquisition device, which comprises a first cabinet, a second cabinet and a remote workstation, wherein the first cabinet is connected with the second cabinet through a pipeline; the first cabinet comprises a first cabinet body, a data acquisition host, a master clock and a plurality of signal conditioners; the second cabinet comprises a second cabinet body, a data analysis host, a switch, a first photoelectric interface converter and a power supply; the output ends of the signal conditioners are connected to the data acquisition host and the data analysis host; the data acquisition host and the data analysis host are synchronous through a master clock, and the data acquisition host and the data analysis host are connected to a remote workstation; the power supply is connected with the data analysis host, the switch, the master clock and the data acquisition host. The invention can improve the reliability and authenticity of test data, improve the capacity of channel measurement quantity by the integrated design architecture of the device, reduce the difficulty of device management and reduce the risk of delaying the progress of engineering.
Description
Technical Field
The invention relates to the field of nuclear power stations, in particular to a nuclear power plant flow induced vibration test data acquisition device.
Background
In the operation process of a nuclear power plant reactor, the flow of coolant can cause the vibration of the structure of the reactor internals, and the flow-induced vibration can cause the fatigue damage of the structure or the loosening or abrasion damage of the connecting piece, so that accidents can be caused as a result, the nuclear power plant is forced to stop and overhaul, and huge economic loss is caused. Therefore, the first reactor of the nuclear power plant needs to perform in-reactor component flow-induced vibration field actual measurement during the thermal state function test, so as to evaluate the structural characteristics of the in-reactor component of the reactor, verify the structural integrity of the in-reactor component of the reactor, determine the safety margin related to the steady state and the expected transient state working condition during normal operation, and confirm the vibration analysis result.
The nuclear power plant flow induced vibration test needs time domain signal acquisition, frequency signal analysis, amplitude and frequency determination of vibration signals, and then amplitude analysis, power spectral density analysis, strain gauge calibration analysis and deviation analysis.
The prior art is configured to disperse and condition signals acquired by different sensors, store the conditioned signals in a recorder, and transmit the conditioned signals to a special analysis device for data analysis. It has the following disadvantages:
(1) the device has poor fault tolerance, all measured data are easy to lose once the tape recorder equipment fails or operates by mistake, and the risk of human factor and equipment failure is high;
(2) the reliability of the data result is low, the data can only be analyzed by using a special device, and the reliability of data processing of a multi-platform data analysis system can not be compared and verified;
(3) the synchronous data acquisition capacity is small, and the redundant acquisition channel is difficult to increase;
(4) the measurement system is distributed, signals of different types need to be distributed and conditioned, the occupied test space is large, and the cable path arrangement is easy to be disordered.
Disclosure of Invention
The invention aims to solve the problems and the defects, and provides the nuclear power plant flow-induced vibration test data acquisition device which can improve the reliability and the authenticity of test data, improve the capacity of channel measurement quantity by the integrated design framework of the device, reduce the difficulty of device management and reduce the risk of delaying the progress of engineering.
The embodiment of the invention provides a nuclear power plant flow induced vibration test data acquisition device, which comprises a first cabinet, a second cabinet and a remote workstation, wherein the first cabinet is connected with the second cabinet; the first cabinet comprises a first cabinet body, a data acquisition host and a plurality of signal conditioners, wherein the data acquisition host and the signal conditioners are arranged on the first cabinet body; the second cabinet comprises a second cabinet body, and a data analysis host, a switch, a first photoelectric interface converter and a power supply which are arranged in the second cabinet body; the output ends of the signal conditioners are connected to the data acquisition host and the data analysis host; the data acquisition host and the data analysis host are also connected to the remote workstation through the switch and the first photoelectric interface converter; the power supply is connected with the data analysis host, the switch, the master clock and the data acquisition host.
Preferably, the signal conditioner adopts a DEWE-30-16 type case.
Preferably, the data acquisition host comprises a case and a first data acquisition card arranged in the case and used for realizing data A/D conversion; the first data acquisition card is connected to the case in a modular structure, and the case is designed in a plug-in mode and is placed on the first cabinet in a pluggable mode.
Preferably, the data analysis host is designed in a plug-in mode to be placed on the second cabinet in a pluggable mode, and the data analysis host is provided with a second data acquisition card.
Preferably, the signal conditioner is connected to the second data acquisition card through a BNC interface and is connected to the first data acquisition card through a D-sub interface.
Preferably, the signal conditioner model is DAQP-STG; wherein, part of the signal conditioners are connected with MSI-BR-CHA-S1 interface modules for connecting acceleration sensors and pulse pressure sensors.
Preferably, still be provided with display screen and keyboard on the second cabinet body, the data acquisition host computer passes through the video line and is connected to the display screen, the keyboard with the data acquisition host computer is connected.
Preferably, the second cabinet body is further provided with a printer, and the printer is electrically connected with the data analysis host through a switch.
Preferably, the remote workstation comprises a second optical-to-electrical interface converter and a data analysis platform; the data analysis platform is connected with the first photoelectric interface converter in the second cabinet through the photoelectric interface converter.
Preferably, the data analysis system further comprises a master clock, wherein the master clock is connected to the data acquisition host through a synchronization module and is connected to the data analysis host through a switch so as to realize synchronization of the data acquisition host and the data analysis host.
Preferably, the power supply is a UPS uninterruptible power supply.
Compared with the prior art, the embodiment has the following advantages:
(1) the distributed acquisition of signals of different types and positions can be realized, and the centralized management of the data acquisition device can be realized;
(2) the normalization of physical quantity into standard signals can be realized, and the comparison and function operation of different signals can be conveniently realized;
(3) the independence of signal transmission and conditioning of each channel can be realized, signals are not interfered with each other, the stability of acquisition is improved, and the risk of simultaneous failure of all channels is reduced;
(4) the redundancy of the data analysis platform improves the reality and reliability of data, and reduces the high risk of manpower and material resource waste and equipment failure caused by repeated execution of tests;
(5) the synchronous remote acquisition and analysis of the two hosts can be realized through the remote workstation; the data analysis host and the data acquisition host of the embodiment can realize data acquisition and analysis, the data analysis host has stronger data analysis function, the data acquisition host is matched with a signal conditioner, the conditioning function is stronger, and the data analysis function is weaker than that of the data analysis host. Two sets of main machines are configured to fully utilize respective advantages, namely, data conditioning and analysis are enhanced, in addition, the data analysis main machine can be prevented from being failed and data loss is prevented, during test, the two main machines carry out data acquisition, and the data acquisition main machine is used as a standby of the analysis main machine;
(6) the signal conditioner and the host machine are in modular structure, and the design of case plug-in type is adopted, so that the interchangeability of the same functional modules can be realized.
Drawings
Fig. 1 is an overall structural diagram of a nuclear power plant flow induced vibration test data acquisition device according to an embodiment of the present invention.
Fig. 2 is a schematic diagram of a remote workstation.
Fig. 3 is a flow chart of a signal conditioning function provided by an embodiment of the invention.
Fig. 4 is a specific connection diagram of a nuclear power plant flow induced vibration test data acquisition device according to an embodiment of the present invention.
Fig. 5 is a signal transmission diagram of a nuclear power plant flow induced vibration test data acquisition device according to an embodiment of the present invention.
Fig. 6 is a schematic diagram of the data acquisition host and the data analysis host synchronized by a master clock.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 and fig. 2, an embodiment of the invention provides a nuclear power plant flow induced vibration test data acquisition apparatus, including a first cabinet 100, a second cabinet 200, and a remote workstation 300; the first cabinet 100 includes a first cabinet 110, and a data acquisition host 120 and a plurality of signal conditioners 130 disposed on the first cabinet 110; the second cabinet 200 includes a second cabinet 210, and a data analysis host 220, a switch 230, a first optical-electrical interface converter 280, and a power supply 240 disposed in the second cabinet 210; wherein, the output ends of the signal conditioners 130 are all connected to the data acquisition host 120 and the data analysis host 220; the data collection host 120 and the data analysis host 220 are connected to the remote workstation 300 through the switch 230; the power supply 240 is connected to the data analysis host 220, the switch 230, and the data collection host 120.
In this embodiment, the signal conditioner 130 employs a DEWE-30-16 series cabinet, which is suitable for all Devywin signal conditioners.
In the present embodiment, the signal conditioner 130 is mainly used to normalize the physical quantity to a standard voltage signal, for example, normalize and condition the electrical signal input by the acceleration sensor, the strain gauge, the pulsating pressure sensor, and the like to a voltage signal in the same range, such as a standard signal of ± 5V or ± 10V. And simultaneously, according to the requirement of a signal analysis frequency band, carrying out hardware filtering processing on noise signals, useless high-frequency signals and the like.
In this embodiment, the signal conditioning function flow is shown in fig. 3. The adapters such as the charge sensitive adapter and the bridge adapter and the conditioning module can be inserted into the first cabinet body 110, so that interchangeability of the functional modules of the same kind can be realized. In addition, the conditioned signal can realize two modes of single-channel independent output and multi-channel integrated output.
In this embodiment, the signal conditioner 130 may be, in particular, a model of DAQP-STG; wherein, a bridge adapter (such as the MSI-BR-CHA-S1 interface module 131 in FIG. 4) for connecting the acceleration sensor and the pulsating pressure sensing is connected to part of the signal conditioner 130 to receive the signal of a specific sensor.
In the present embodiment, the signal conditioner 130 is connected to the data analysis host 220 through a BNC interface 133, and is connected to the data collection host 120 through a D-sub interface 132.
Specifically, as shown in fig. 5, the first data acquisition card 121 of the data acquisition host 120 receives the signal from the signal conditioner 130, and the multi-channel integrated output signal is received, so as to implement the a/D conversion of the data. The first data acquisition card 121 adopts a modular structure, and the case is designed in a plug-in manner, so that interchangeability of similar functional modules can be realized. The system is connected with a computer and is provided with matched software, so that data processing, frequency signal analysis and vibration signal amplitude and frequency determination can be realized, and further, analysis functions such as amplitude analysis and power spectral density analysis can be realized. The type of the first data acquisition card 121 may be an ORION-1624A/D acquisition card.
In this embodiment, the data analysis host 220 is designed to be pluggable to the second cabinet 210, and the data analysis host 220 is provided with a second data acquisition card 221. The signal conditioner 130 is connected to the second data acquisition card 221 through a BNC interface 133. Wherein, the second data acquisition card 121 can be 3050-A-060.
The data analysis host 220 implements data processing, frequency signal analysis, and amplitude and frequency determination of the vibration signal by using a B & K system, thereby implementing analysis functions such as amplitude analysis and power spectral density analysis.
In this embodiment, as shown in fig. 6, in particular, the system further includes a master clock 140, where the master clock 140 is connected to the data collection host 120 through a synchronization module, and is connected to the data analysis host 220 through a switch, so as to implement time synchronization between the data collection host 120 and the data analysis host 220.
In this embodiment, the power supply 240 is a UPS uninterruptible power supply.
In this embodiment, in particular, the second cabinet 210 is further provided with a display screen 250 and a keyboard 260, and the data collection host 120 is connected to the display screen 250 through a video cable and is connected to the keyboard 260.
In consideration of the requirement of the data acquisition host 120 to perform parameter setting on the signal conditioner 130, a display 250 for displaying and a keyboard 260 for inputting parameters are provided. The data analysis host 220 uses a PC for setup, acquisition and analysis, and typically does not require an additional display.
In this embodiment, in particular, a printer 270 is further disposed on the second cabinet 210, and the printer 270 and the data analysis host 220 are electrically connected through a switch.
In this manner, printing of the acquired signal by the printer 270 may be accomplished.
In this embodiment, as shown in fig. 3, the remote workstation 300 includes a second optical-to-electrical interface converter 310 and a data analysis platform 320; the data analysis platform 320 is connected to the first optical-to-electrical interface converter 280 through the second optical-to-electrical interface converter 310.
The operation of the present embodiment is described in detail below.
Referring to fig. 4 and 5, in the present embodiment, the signals collected by each sensor are transmitted to the signal conditioner 130 (wherein, part of the signals of the sensors can be directly transmitted to the signal conditioner 130, and part of the sensors need to pass through the MSI-BR-CHA-S1 interface module 131), the signal conditioner 130 normalizes the collected signals into standard voltage signals and divides the standard voltage signals into standard voltage signals to be transmitted to the data collection host 120 and the data analysis host 220, after the data collection host 120 and the data analysis host 220 obtain the standard voltage signal, after data processing and frequency signal analysis are performed on the optical signals, the optical signals are transmitted to the switch 230 through a network cable, the optical signals are converted into optical signals by the switch 230 through the first optical-to-electrical interface converter 280 and then transmitted to an optical fiber for transmission, and then the optical signals are converted back to electrical signals by the second optical-to-electrical interface converter 310 and transmitted to the data analysis platform 320. In addition, based on the same transmission path, the data analysis platform 320 may also send a remote control signal to the first cabinet 100 and the second cabinet 200, so as to implement remote control.
Compared with the prior art, the embodiment has the following advantages:
(1) the distributed acquisition of signals of different types and positions can be realized, and the centralized management of the data acquisition device can be realized;
(2) the normalization of physical quantity into standard signals can be realized, and the comparison and function operation of different signals can be conveniently realized;
(3) the independence of signal transmission and conditioning of each channel can be realized, signals are not interfered with each other, the stability of acquisition is improved, and the risk of simultaneous failure of all channels is reduced;
(4) the redundancy of the data analysis platform 320 improves the reality and reliability of data, and reduces the high risk of manpower and material resource waste and equipment failure caused by repeated execution of tests;
(5) the synchronous remote acquisition and analysis of the two sets of hosts can be realized through the remote workstation 300; the data analysis host 220 and the data collection host 120 of the embodiment can both realize data collection and analysis, the data analysis host 220 has a stronger data analysis function, the data collection host 120 is matched with a signal conditioner, the conditioning function is stronger, and the data analysis function is weaker than that of the data analysis host 220. Two sets of hosts are configured to fully utilize respective advantages, namely, data conditioning and analysis are enhanced, in addition, the data analysis host can be prevented from being failed and lost, during test, the two hosts carry out data acquisition, and the data acquisition host 120 is used as a spare of the data analysis host 220;
(6) the signal conditioner 130 and the host are in a modular structure, and the design of a case plug-in type is adopted, so that the interchangeability of the same functional modules can be realized.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (11)
1. A nuclear power plant flow induced vibration test data acquisition device is characterized by comprising a first cabinet, a second cabinet and a remote workstation; the first cabinet comprises a first cabinet body, a data acquisition host and a plurality of signal conditioners, wherein the data acquisition host and the signal conditioners are arranged on the first cabinet body; the second cabinet comprises a second cabinet body, and a data analysis host, a switch, a first photoelectric interface converter and a power supply which are arranged in the second cabinet body; the output ends of the signal conditioners are connected to the data acquisition host and the data analysis host; the data acquisition host and the data analysis host are connected to the remote workstation through the switch and the first photoelectric interface converter; the power supply is connected with the data analysis host, the switch, the master clock and the data acquisition host.
2. The device for collecting data of flow induced vibration test in nuclear power plant according to claim 1, wherein the signal conditioner is a DEWE-30-16 type case.
3. The nuclear power plant flow induced vibration test data acquisition device of claim 1, wherein the data acquisition host comprises a case and a first data acquisition card arranged in the case and used for realizing data A/D conversion; the first data acquisition card is connected to the case in a modular structure, and the case is designed in a plug-in mode and is placed on the first cabinet in a pluggable mode.
4. The nuclear power plant flow induced vibration test data acquisition device as claimed in claim 3, wherein the data analysis host is designed in a plug-in manner to be pluggable to the second cabinet, and is provided with a second data acquisition card.
5. The device of claim 4, wherein the signal conditioner is connected to the second data acquisition card through a BNC interface and connected to the first data acquisition card through a D-sub interface.
6. The nuclear power plant flow induced vibration test data collection device of claim 1, wherein the signal conditioner model is DAQP-STG; wherein, part of the signal conditioners are connected with MSI-BR-CHA-S1 interface modules for connecting acceleration sensors and pulse pressure sensors.
7. The nuclear power plant flow-induced vibration test data acquisition device of claim 1, wherein the second cabinet body is further provided with a display screen and a keyboard, the data acquisition host is connected to the display screen through a video cable, and the keyboard is connected with the data acquisition host.
8. The nuclear power plant flow-induced vibration test data acquisition device of claim 1, wherein a printer is further arranged on the second cabinet body, and the printer is electrically connected with the data analysis host through a switch.
9. The nuclear power plant flow induced vibration test data collection device of claim 1, wherein the remote workstation comprises a second optical-to-electrical interface converter and a data analysis platform; the data analysis platform is connected with the first optical-electrical interface converter in the second cabinet through the second optical-electrical interface converter.
10. The nuclear power plant flow induced vibration test data acquisition device according to claim 1, further comprising a master clock, wherein the master clock is connected to the data acquisition host through a synchronization module and is connected to the data analysis host through a switch so as to realize synchronization of the data acquisition host and the data analysis host.
11. The device for collecting data of flow induced vibration test in nuclear power plant according to any one of claims 1 to 10, wherein the power supply is a UPS uninterruptible power supply.
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| CN202110046215.7A CN112880810A (en) | 2021-01-14 | 2021-01-14 | Nuclear power plant flow-induced vibration test data acquisition device |
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| CN202110046215.7A CN112880810A (en) | 2021-01-14 | 2021-01-14 | Nuclear power plant flow-induced vibration test data acquisition device |
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| CN206208556U (en) * | 2016-10-13 | 2017-05-31 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | A kind of electric propulsion system Test Data Collecting work station |
| CN109855804A (en) * | 2019-03-08 | 2019-06-07 | 江苏核电有限公司 | A kind of containment bulge test parameter acquisition devices and its acquisition method |
| CN111368426A (en) * | 2020-03-03 | 2020-07-03 | 中国航空综合技术研究所 | Board-level electronic product reliability acceleration test device |
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2021
- 2021-01-14 CN CN202110046215.7A patent/CN112880810A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080221825A1 (en) * | 2006-04-24 | 2008-09-11 | Northrop Grumman Corporation | Noise resistant light-powered sensor |
| CN206208556U (en) * | 2016-10-13 | 2017-05-31 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | A kind of electric propulsion system Test Data Collecting work station |
| CN109855804A (en) * | 2019-03-08 | 2019-06-07 | 江苏核电有限公司 | A kind of containment bulge test parameter acquisition devices and its acquisition method |
| CN111368426A (en) * | 2020-03-03 | 2020-07-03 | 中国航空综合技术研究所 | Board-level electronic product reliability acceleration test device |
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