CN207883331U - A kind of fuel for nuclear power plant cladding integrity detection sobs suction cabinet online - Google Patents
A kind of fuel for nuclear power plant cladding integrity detection sobs suction cabinet online Download PDFInfo
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- CN207883331U CN207883331U CN201721605040.4U CN201721605040U CN207883331U CN 207883331 U CN207883331 U CN 207883331U CN 201721605040 U CN201721605040 U CN 201721605040U CN 207883331 U CN207883331 U CN 207883331U
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- fuel
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- nuclear power
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Abstract
The utility model is related to a kind of fuel for nuclear power plant cladding integrity detections to sob suction cabinet online, and the interior of equipment cabinet shows that cabinet, γ Activity measuring systems, air-channel system, vitriol chamber shielding harness, outside are protected by casing in order to control successively from top to bottom；The control shows cabinet, is internally provided with ARM control systems, and outside is equipped with liquid crystal touch screen, data storage cell, acousto-optic warning unit, working station indicator, power supply indicator and power switch；The ARM control systems are connected with liquid crystal touch screen, power supply module, working station indicator, acousto-optic warning unit, data storage cell, gripping apparatus sensor and gas circuit sensor respectively；The utility model not only combines each system, reduce the inconvenience that traditional distributed work is brought, with the data recording fashion of traditional print record instrument, linear ratemeters and logarithmic ratemeter is replaced based on the Embedded touch LCD screens of ARM, data are made to show more convenient intuitive, more humane.
Description
Technical field
The utility model belongs to fuel for nuclear power plant cladding integrity detection field, and in particular to a kind of fuel for nuclear power plant
Cladding integrity detection sobs suction cabinet online.
Background technology
It is right there are fuel assembly clad failure under high temperature and intense radiation conditions when pressurized-water reactor nuclear power plant reactor operation
Reactor core constitutes the risk of significant threat.Therefore it during reactor cold-refueling, needs to be made whether that breakage is let out to fuel assembly
The inspection of leakage.
It is online sob inhale detection device be detected in reactor refuling fuel assembly whether damaged measuring system, with me
The rapid development of state's nuclear power station, each presurized water reactor are required for being equipped in loading and unloading Fuel Process.
Traditional online sob inhales device using paper recorder record data are beaten, and operation is cumbersome, be susceptible to paperboard, lack paper etc.
Problem, and linear ratemeters and logarithmic ratemeter must be equipped with, the mode of operation of these plug-in units cannot meet modern comfort and show
With the requirement of control；Traditional online sob inhales the measurement that device carries out power spectrum using single-channel analyzer, cumbersome, time-consuming
It is long, certain error is introduced to measurement process, affects the accuracy of measurement result；In debugging apparatus, need to use repeatedly
The gamma ray radiator of 10 microcuries, if exposed store outside, can jeopardize the person of commissioning staff when radioactive source temporarily to be taken out to storage
Safety, stores if being placed in small lead can, does not meet the safety requirements of the small article Anti-fall above reactor fuel pond；Shielding
The vitriol chamber weight of system is big, is not easy to install.
Utility model content
The purpose of this utility model is that：The technical issues of the utility model is solved is that traditional sob online is overcome to inhale inspection
The various deficiencies for surveying device provide a kind of fuel for nuclear power plant cladding integrity detection and sob suction cabinet online, its existing operation
Simply, flexibly, accuracy is high, and has data processing and display function, and has storage and the analytic function of data, has more human nature
The man machine operation interface of change.
The technical solution of the utility model is as follows：A kind of fuel for nuclear power plant cladding integrity detection sobs suction machine online
Cabinet, the interior of equipment cabinet show cabinet, γ Activity measuring systems, air-channel system, vitriol chamber shielding system in order to control successively from top to bottom
System, outside are protected by casing；
The control shows cabinet, is internally provided with ARM control systems, and outside is equipped with liquid crystal touch screen, data storage list
Member, acousto-optic warning unit, working station indicator, power supply indicator and power switch；The ARM control systems respectively with liquid
Brilliant touch screen, power supply module, working station indicator, acousto-optic warning unit, data storage cell, gripping apparatus sensor and gas circuit pass
Sensor is connected；
The γ Activity measuring systems put the γ activity of different-energy for being monitored to γ activity radioactivity
Penetrating property is converted into the voltage signal of respective magnitudes；Including detector, amplifier, single-channel analyzer and multichannel analyzer；Detector
Be connected with amplifier, amplifier is connected with single-channel analyzer and multichannel analyzer respectively, single-channel analyzer and multichannel analyzer into
One step is connected with ARM control systems respectively；
The vitriol chamber shielding harness, for excluding influence of the external environment gamma activity to measurement result；Vitriol chamber shields
System includes communicating up and down and two parts of dismantled and assembled connection, and upper part is small vitriol chamber shielding, and inside is equipped with detector；Lower part
It is big vitriol chamber shielding, inside is equipped with measuring tank；
The air-channel system, the gas for collecting fuel element periphery to be measured, the sample as γ Activity measuring systems
Product source gas；The air-channel system is connected with measuring tank, and sample source gas enters measuring tank by measuring tank entrance, from meter
Leave measuring tank in measuring tank outlet；
The ARM control systems, for receive the measuring signal of γ Activity measuring systems, the signal of gas circuit sensor and
The signal of gripping apparatus sensor, and touch LCD screen is sent to after handling signal, real-time display experiment curv；As measurement γ
When specific energy peak radioactive activity is more than set alarm threshold value, then pulse signal is sent out to acousto-optic warning unit, carry out acousto-optic report
It is alert；When receiving gripping apparatus that gripping apparatus sensor transmits signal in place, then start to automatically save data and data and curves.
The acousto-optic warning unit includes alarm lamp, audible alarm instruction, mute instruction switch；The work
Status indicator lamp includes being measured indicator light and measurement indicator light；
The detector carries out γ activity radioactivity surveys to the sample source gas in measuring tank, and radiated signal is passed through
It is sent to processing, analysis and display that ARM control systems carry out data after crossing amplifier, single track analysis or multi-channel analysis.
The measuring tank 19 is well type, can wrap up the scintillator of detector.
The measuring tank 19 measurement window opposite with detector 9 is the thin aluminum material of 1mm thickness.
Detector is made of NaI scintillation detectors and signal follower, and the gamma activity in measuring tank is converted into difference
The voltage signal of amplitude.
The signal that amplifier exports detector is amplified, and signal is made to reach the amplitude of needs.
Single-channel analyzer is to detector output and the signal through amplifier amplification carries out the count measurement of specific peak position；It is more
Channel analyzer is to detector output and the signal through amplifier amplification carries out energy spectrum analysis, determines the peak position at required energy peak.
Big vitriol chamber shielding is equipped with long drawer and assembles, and can be connected with γ measuring systems after promoting vitriol chamber, in commissioning device
It is used for testing γ Activity measuring systems by being placed on the γ standard sources that long drawer group is loaded onto.
Big vitriol chamber shielding is equipped with short drawer and assembles, and short drawer assembling is completely independent small space, in commissioning device
For temporarily storing the γ standard sources of adjusting instrument.
The remarkable result of the utility model is：The utility model proposes a kind of fuel for nuclear power plant cladding integrality
Detection sobs suction cabinet online, and not only each system combines, reduces what traditional distributed work was brought
Inconvenience replaces the number of traditional print record instrument, linear ratemeters and logarithmic ratemeter with based on the Embedded touch LCD screens of ARM
According to recording mode, data are made to show more convenient intuitive, more humane, meanwhile, it is continuous to work, while decreasing traditional approach
Present in error, can more accurate, objectively carry out the detection of fuel assembly breakage, greatly reduce operating space, raising
The measurement analysis ability and automatic capability of entire measuring system.
The unique design of measuring tank substantially increases the radioactivity prospecting efficiency of system, while the unique design of vitriol chamber is also big
It facilitates the installation of device greatly and has ensured the personal safety of equipment user of service.
Description of the drawings
Fig. 1 is the general structure schematic diagram of the utility model；
Fig. 2 is that the control of the utility model shows cabinet schematic diagram；
Fig. 3 is the γ Activity measuring systems and connection diagram of the utility model；
Fig. 4 is the vitriol chamber appearance diagram of the utility model；
Fig. 5 is the lead indoor detector schematic diagram of the utility model；
In figure, 1 control shows cabinet, 2 γ Activity measuring systems, 3 air-channel systems, 4 casings, 5 lead screen systems, 6 amplifications
Device, 7 single-channel analyzers, 8 touch LCD screens, 9 detectors, 10 multichannel analyzers, 11 power supply modules, 12 data storage cells, 13
Short drawer assembling, the outlet of 14 measuring tanks, 15 long drawer assemblings, 16 measuring tank entrances, 17 big vitriol chambers shieldings, 18 small vitriol chambers shieldings,
19 measuring tanks, 20 protecting LCD screen covers, 21 alarm lamps, 22 audible alarms instruction, 23 mute instruction switches, 24 are measured
Indicator light, 25 measure indicator light, 26 power supply indicators, 27 power switches.
Specific implementation mode
Below in conjunction with the accompanying drawings and specific embodiment is complete to a kind of fuel for nuclear power plant cladding described in the utility model
Property detection online sob inhale cabinet be described in further detail.
As shown in Figure 1, a kind of fuel for nuclear power plant cladding integrity detection sobs suction cabinet online, the interior of equipment cabinet from
Top to bottm shows cabinet 1, γ Activity measuring systems 2, air-channel system 3, vitriol chamber shielding harness 5 in order to control successively, and outside is by casing 4
Protection；
As shown in Fig. 2, the control shows that cabinet 1 is internally provided with ARM control systems, outside be equipped with liquid crystal touch screen 8,
Protecting LCD screen cover 20, data storage cell 12, acousto-optic warning unit, working station indicator, power supply indicator 26 and power supply
Switch 27；
The acousto-optic warning unit includes alarm lamp 21, audible alarm instruction 22, mute instruction switch 23；It is described
Working station indicator include be measured indicator light 24 and measure indicator light 25；
The γ Activity measuring systems 2 put the γ activity of different-energy for being monitored to γ activity radioactivity
Penetrating property is converted into the voltage signal of respective magnitudes；As shown in figure 3, γ Activity measuring systems 2 include detector 9, amplifier 6, list
Channel analyzer 7 and multichannel analyzer 10, detector 9 are located in vitriol chamber shielding harness 5 and are connected with external amplifier 6, amplifier 6
Be connected respectively with single-channel analyzer 7 and multichannel analyzer 10, single-channel analyzer 7 and multichannel analyzer 10 further respectively with ARM
Control system is connected；
The ARM control systems also respectively with liquid crystal touch screen 8, power supply module 11, working station indicator, acousto-optic report
Alert unit, data storage cell 12, gripping apparatus sensor are connected with gas circuit sensor；
The ARM control systems be used to receive the measuring signals of γ Activity measuring systems 2, gas circuit sensor signal,
The signal of gripping apparatus sensor, and touch LCD screen 24 is sent to after handling signal, real-time display experiment curv；Work as measurement
When the specific energy peak radioactive activities of γ are more than set alarm threshold value, then pulse signal are sent out to acousto-optic warning unit, carry out acousto-optic
Alarm；When receiving gripping apparatus signal in place, then start to the data of key area and automatically saving for data and curves；
The air-channel system 3 is used to collect the gas on detected fuel element periphery, as γ Activity measuring systems 2
Sample source gas；As shown in figure 5, sample source gas enters measuring tank 19 by measuring tank entrance 16, from the outlet of measuring tank 19 14
Leave measuring tank 19；
The air-channel system 3 is connected with measuring tank 19, and γ Activity measuring systems 2 are connected with measuring tank 19, detector 9
γ activity radioactivity surveys, 1 phase of γ Activity measuring systems 2 and ARM control systems are carried out to the sample source gas in measuring tank 19
Even, radiated signal is sent to ARM control systems 1 into line number after amplifier 6, single track analysis 7 or multi-channel analysis 10
According to processing, analysis and display.
As shown in figure 5, the vitriol chamber shielding harness 5, shields for gamma activity, external environment γ radiation can be excluded
Influence of the property to measurement result, ensure that the measuring environment of Low background, it is ensured that the reliability and measurement accuracy of data；Vitriol chamber screen
It covers 5 bosom of system and is equipped with measuring tank 19,19 top of measuring tank is equipped with detector 9, and 19 lower section of measuring tank is equipped with γ standard sources；
As shown in figure 4, since measuring tank 19 is much bigger relative to the volume of detector 9, therefore to measuring tank 19 using big
Vitriol chamber shielding 17 shields 18 to detector 9 using small vitriol chamber.It, will in order to facilitate the installation of equipment since the weight of vitriol chamber is very heavy
Big vitriol chamber shielding 17 and small vitriol chamber shielding 18 carry out hierarchical design, reduce the weight of single lead.
In order to improve the measurement efficiency of system：(1) measuring tank 19 is designed to that well type can wrap up the scintillator of detector,
Improve effectively detection sensitive volume；(2) measurement window is designed to that thickness is the thin aluminum material of 1mm, both reduces radioactivity
Decaying, and certain gas pressure can be sustained.
Detector 9 is made of NaI (TI) scintillation detectors and signal follower, and the gamma activity in measuring tank 19 is converted
At the voltage signal of different amplitudes.The signal that amplifier 6 exports detector 9 is amplified, and signal is made to reach the amplitude of needs.
Single-channel analyzer 7 is to the output of detector 9 and the signal through the amplification of amplifier 6 carries out the count measurement of specific peak position.Multiple tracks point
Parser 10 is to the output of detector 9 and the signal through the amplification of amplifier 6 carries out energy spectrum analysis, determines the peak position at required energy peak, i.e.,
The upper threshold value and lower threshold value at energy peak.
Big vitriol chamber shielding 17 is equipped with long drawer and assembles 15, can be connected with γ measuring systems 2 after promoting vitriol chamber, be set in debugging
It is used for testing γ Activity measuring systems 2 by the γ standard sources being placed in long drawer assembling 15 when standby.
Big vitriol chamber shielding 17 is equipped with short drawer and assembles 13, and short drawer assembling 13 is completely independent small space, is debugging
For temporarily storing the γ standard sources of adjusting instrument when equipment.
Claims (10)
1. a kind of fuel for nuclear power plant cladding integrity detection sobs suction cabinet online, it is characterised in that：The interior of equipment cabinet from
Top to bottm shows cabinet (1), γ Activity measuring systems (2), air-channel system (3), vitriol chamber shielding harness (5) in order to control successively, outside
It is protected by casing (4) in portion；
The control shows cabinet (1), is internally provided with ARM control systems, outside is equipped with liquid crystal touch screen (8), data store
Unit (12), acousto-optic warning unit, working station indicator, power supply indicator (26) and power switch (27)；The ARM controls
System processed is single with liquid crystal touch screen (8), power supply module (11), working station indicator, acousto-optic warning unit, data storage respectively
First (12), gripping apparatus sensor are connected with gas circuit sensor；
The γ Activity measuring systems (2) radiate the γ activity of different-energy for being monitored to γ activity radioactivity
Property is converted into the voltage signal of respective magnitudes；Including detector (9), amplifier (6), single-channel analyzer (7) and multichannel analyzer
(10)；Detector (9) is connected with amplifier (6), amplifier (6) respectively with single-channel analyzer (7) and multichannel analyzer (10) phase
Even, single-channel analyzer (7) and multichannel analyzer (10) are further connected with ARM control systems respectively；
The vitriol chamber shielding harness (5), for excluding influence of the external environment gamma activity to measurement result；Vitriol chamber shielding system
System (5) includes communicating up and down and two parts of dismantled and assembled connection, and upper part is small vitriol chamber shielding 18, and inside is equipped with detector (9)；
Lower part is big vitriol chamber shielding (17), and inside is equipped with measuring tank (19)；
The air-channel system (3), the gas for collecting fuel element periphery to be measured, as γ Activity measuring systems (2)
Sample source gas；The air-channel system (3) is connected with measuring tank (19), sample source gas by measuring tank entrance (16) into
Enter measuring tank (19), measuring tank (19) is left from measuring tank (19) outlet (14)；
The ARM control systems, for receive the measuring signal of γ Activity measuring systems (2), the signal of gas circuit sensor and
The signal of gripping apparatus sensor, and liquid crystal touch screen (8), real-time display experiment curv are sent to after handling signal；Work as survey
When measuring the specific energy peak radioactive activities of γ more than set alarm threshold value, then pulse signal, carry out sound are sent out to acousto-optic warning unit
Light is alarmed；When receiving gripping apparatus that gripping apparatus sensor transmits signal in place, then start to protect data and data and curves automatically
It deposits.
2. a kind of fuel for nuclear power plant cladding integrity detection as described in claim 1 sobs suction cabinet online, feature exists
In：The acousto-optic warning unit includes alarm lamp (21), audible alarm instruction (22), and mute instruction switchs (23)；Institute
The working station indicator stated includes being measured indicator light (24) and measurement indicator light (25).
3. a kind of fuel for nuclear power plant cladding integrity detection as described in claim 1 sobs suction cabinet online, feature exists
In：The detector (9) carries out γ activity radioactivity surveys to the sample source gas in measuring tank (19), by radiated signal
The place that ARM control systems carry out data is sent to after amplifier (6), single-channel analyzer (7) or multichannel analyzer (10)
Reason, analysis and display.
4. a kind of fuel for nuclear power plant cladding integrity detection as described in claim 1 sobs suction cabinet online, feature exists
In：The measuring tank (19) is well type, can wrap up the scintillator of detector.
5. a kind of fuel for nuclear power plant cladding integrity detection as described in claim 1 sobs suction cabinet online, feature exists
In：The measuring tank (19) and the thin aluminum material that the opposite measurement window of detector (9) is 1mm thickness.
6. a kind of fuel for nuclear power plant cladding integrity detection as described in claim 1 sobs suction cabinet online, feature exists
In：Detector (9) is made of NaI scintillation detectors and signal follower, and the gamma activity in measuring tank (19) is converted into not
With the voltage signal of amplitude.
7. a kind of fuel for nuclear power plant cladding integrity detection as described in claim 1 sobs suction cabinet online, feature exists
In：The signal that amplifier (6) exports detector (9) is amplified, and signal is made to reach the amplitude of needs.
8. a kind of fuel for nuclear power plant cladding integrity detection as described in claim 1 sobs suction cabinet online, feature exists
In：Single-channel analyzer (7) is to detector (9) output and the signal through amplifier (6) amplification carries out the counting survey of specific peak position
Amount；Multichannel analyzer (10) is exported to detector (9) and the signal progress energy spectrum analysis through amplifier (6) amplification, needed for determination
The peak position at energy peak.
9. a kind of fuel for nuclear power plant cladding integrity detection as described in claim 1 sobs suction cabinet online, feature exists
In：Big vitriol chamber shielding (17) is equipped with long drawer and assembles (15), can be connected with γ measuring systems 2 after promoting vitriol chamber, be set in debugging
It is used for testing γ Activity measuring systems (2) by the γ standard sources being placed on long drawer assembling (15) when standby.
10. a kind of fuel for nuclear power plant cladding integrity detection as described in claim 1 sobs suction cabinet online, feature exists
In：Big vitriol chamber shielding (17) is equipped with short drawer and assembles (13), and short drawer assembling (13) is completely independent small space, is debugging
For temporarily storing the γ standard sources of adjusting instrument when equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721605040.4U CN207883331U (en) | 2017-11-27 | 2017-11-27 | A kind of fuel for nuclear power plant cladding integrity detection sobs suction cabinet online |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721605040.4U CN207883331U (en) | 2017-11-27 | 2017-11-27 | A kind of fuel for nuclear power plant cladding integrity detection sobs suction cabinet online |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207883331U true CN207883331U (en) | 2018-09-18 |
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ID=63501159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721605040.4U Active CN207883331U (en) | 2017-11-27 | 2017-11-27 | A kind of fuel for nuclear power plant cladding integrity detection sobs suction cabinet online |
Country Status (1)
| Country | Link |
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| CN (1) | CN207883331U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111123346A (en) * | 2019-12-06 | 2020-05-08 | 岭澳核电有限公司 | Nuclear power station burn-in test platform |
| CN112735615A (en) * | 2020-12-15 | 2021-04-30 | 苏州热工研究院有限公司 | Checking device and checking method for on-line sipping test equipment |
-
2017
- 2017-11-27 CN CN201721605040.4U patent/CN207883331U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111123346A (en) * | 2019-12-06 | 2020-05-08 | 岭澳核电有限公司 | Nuclear power station burn-in test platform |
| CN112735615A (en) * | 2020-12-15 | 2021-04-30 | 苏州热工研究院有限公司 | Checking device and checking method for on-line sipping test equipment |
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