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CN107346031A - A kind of calibrating installation for being used to solve in wire mounting gamma detector - Google Patents

A kind of calibrating installation for being used to solve in wire mounting gamma detector Download PDF

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Publication number
CN107346031A
CN107346031A CN201710467273.0A CN201710467273A CN107346031A CN 107346031 A CN107346031 A CN 107346031A CN 201710467273 A CN201710467273 A CN 201710467273A CN 107346031 A CN107346031 A CN 107346031A
Authority
CN
China
Prior art keywords
calibrating installation
mandrel
front casing
casing
device front
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710467273.0A
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Chinese (zh)
Inventor
宋云
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Guangdong Long Source (chengdu) Technology Co Ltd
China General Nuclear Power Corp
Original Assignee
China Guangdong Long Source (chengdu) Technology Co Ltd
China General Nuclear Power Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China Guangdong Long Source (chengdu) Technology Co Ltd, China General Nuclear Power Corp filed Critical China Guangdong Long Source (chengdu) Technology Co Ltd
Priority to CN201710467273.0A priority Critical patent/CN107346031A/en
Publication of CN107346031A publication Critical patent/CN107346031A/en
Pending legal-status Critical Current

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Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01TMEASUREMENT OF NUCLEAR OR X-RADIATION
    • G01T7/00Details of radiation-measuring instruments
    • G01T7/005Details of radiation-measuring instruments calibration techniques

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  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Molecular Biology (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Measurement Of Radiation (AREA)

Abstract

A kind of calibrating installation for being used to solve in wire mounting gamma detector,It is made up of dismountable calibrating installation and lifting support,Calibrating installation includes the device front casing and device rear casing linked by hinge,Device rear casing side is provided with driving lever,Installation settings has locating module and calibration source body respectively in device front casing and device rear casing,And calibration source body by metal plate integrally closed in device rear casing,Locating module includes indicator lamp,Button switch,Digital display tube,Cross locator,Dry cell and range-measuring circuit,Indicator lamp is arranged on the top of device front casing,Button switch and digital display tube are arranged on the side of device front casing,Cross locator is arranged on the centre position of ray emission,Range-measuring circuit uses ultrasonic ranging,Calibration source body includes mandrel,Rotary sleeve,Collimater diaphragm and plug,Mandrel is used stepped and fixed on the cover board,Lead is poured in the inside of mandrel,Radioactive source is arranged on mandrel,Collimater diaphragm exit is provided with plug.

Description

A kind of calibrating installation for being used to solve in wire mounting gamma detector
Technical field
The invention belongs to nuclear radiation monitoring and protection technique field, and in particular to be used to solve in wire mounting γ to one kind The calibrating installation of detector.
Background technology
Nuclear power plant's factory building radiation monitoring system is used to ensure that the design of nuclear power plant and running status meet personnel and environment spoke Safe requirement is penetrated, in order to ensure that the normal reliable of radiation monitoring system is run, it is necessary to by current check and routine test Mode is safeguarded to system.And most important inspection project is tested for nuclear physics in routine test:I.e. using containing radioactive source Truing tool check the accuracy of each detector measurement, to ensure that the measurement accuracy of each monitoring channel detector disclosure satisfy that Expected requirement, therefore easy to use, operating personnel are become of crucial importance by the small truing tool of irradiation risk.
And the reliability of online radiation detector real-time measuring data is directly connected to the reliability of whole system and next Action decision, especially crucial moment measurement error are excessive causes false alarm to bring serious consequence for step.For such spy Device and instrument are surveyed,《People's Republic of China's measurement instrument catalogue》Clear stipulaties will will be examined and determine by national measurement mechanism every year (calibration, scale) once, in view of the importance of these online equipments, it is proposed that usually also should periodically be calibrated or scale, to protect Demonstrate,prove the reliability of data.The technical program is in order to solve, in the calibration of wire mounting gamma detector, to can be applied to military nuclear installation Radiation on-line monitoring system, civilian nuclear facilities (nuclear power yard inner and outer rings border monitoring net, state of Chinese Ministry of Environmental Protection control monitoring network etc.) are determined Phase calibrating, emergent field calibration and day-to-day supervision calibration etc..
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of calibration cartridge for being used to solve in wire mounting gamma detector Put, which solves the in-line calibration in wire mounting gamma detector or calibration, simple in construction, easy to use, operating personnel The features such as risk of exposure is small.
In order to solve the above-mentioned technical problem, the present invention is accomplished by the following way:
A kind of calibrating installation for being used to solve in wire mounting gamma detector, by dismountable calibrating installation and lifting support Composition, the calibrating installation include device front casing, device rear casing and hinge, and device front casing passes through conjunction with device rear casing Page is linked, and device front casing and device rear casing are closed with key lock, and the side of device rear casing is provided with Installation settings has locating module and calibration source body, and school respectively in driving lever, described device front casing and described device rear casing For quasi- source body by metal plate integrally closed in device rear casing, the locating module includes indicator lamp, button switch, digital-scroll technique Pipe, cross locator, dry cell and range-measuring circuit, indicator lamp are arranged on the top of device front casing, and button switch and number show Show that pipe is arranged on the side of device front casing, cross locator is arranged on the centre position of ray emission, and the range-measuring circuit is adopted With ultrasonic ranging, the calibration source body includes mandrel, rotary sleeve, collimater diaphragm and plug, mandrel using it is stepped simultaneously Fix on the cover board, lead is poured in the inside of mandrel, and radioactive source is arranged on mandrel, and the exit of collimater diaphragm is provided with plug.
The angle of emergence of the collimater diaphragm of the present invention is 15 °, and removes diffusing structure using multi-disc;It is simultaneously heavy in order to mitigate its Amount, collimater diaphragm of the invention use tungsten alloy material.
Lifting support as the present invention uses the transmission mechanism of trapezoidal thread.
Compared with prior art, the device have the advantages that:
The structure of this calibrating installation is simple, easy to use, and calibration source device is by two parts of calibrating installation and lifting support Can conveniently it dismantle, two parts can be placed in draw-bar box in transportation, be convenient for carrying;Solve in wire mounting The calibrating or calibration of gamma detector, the risk of the portable calibration source device of artificial dismounting is reduced, ensure the safety of radioactive source.Simultaneously During device open and close, reduce operating personnel by irradiation dose, in running, increase plant running warning.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention;
Fig. 2 is the structural representation of the locating module in the present invention;
The structural representation of calibration source body in the present invention of Fig. 3 positions.
Each mark is respectively in figure:1st, calibrating installation, 2, lifting support, 3, device rear casing, 4, device front casing, 5, Locating module, 6, calibration source body, 51, indicator lamp, 52, button switch, 53, digital display tube, 54, cross locator, 55, dry Battery, 61, mandrel, 62, rotary sleeve, 63, collimater diaphragm, 64, plug.
Embodiment
The embodiment of the present invention is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
As shown in figure 1, a kind of calibrating installation for being used to solve in wire mounting gamma detector, by dismountable calibrating installation 1 and lifting support 2 form, the calibrating installation includes device front casing 4, device rear casing 3 and hinge, device front casing and dress Shell is postponed to be linked by hinge, and device front casing and device rear casing are closed with key lock, it is outer after device The side of shell is provided with driving lever, in described device front casing and described device rear casing respectively installation settings have locating module 5 with Calibration source body 6, and calibration source body by metal plate integrally closed in device rear casing,
As shown in Fig. 2 locating module 5 include indicator lamp 51, button switch 52, digital display tube 53, cross locator 54, Dry cell 55 and range-measuring circuit, indicator lamp are arranged on the top of device front casing, and button switch and digital display tube are arranged on dress The side of front casing is put, cross locator is arranged on the centre position of ray emission, for the positioning function of device, the ranging Circuit uses ultrasonic ranging, and ultrasonic ranging is small by external environment influence, and designs measurement distance scope 0.1m~4m, meets Calibration source device ranging requirement.
As shown in figure 3, calibration source body includes mandrel 61, rotary sleeve 62, collimater diaphragm 63 and plug 64, mandrel uses On the cover board, lead is poured in the inside of mandrel, and in order to prevent ray straight line from passing, radioactive source is arranged on mandrel for stepped and fixation On, the exit of collimater diaphragm is provided with plug.Rotary sleeve is laterally fixed by big small end cover, rotate mainly by end face and end cap it Between ball carry out, the rotation of rotary sleeve controls by handle, there is locating slot on the lower house of handle side, has on locating slot correspondingly Station indicates that when going to station, profit is screwed user.
According to design requirement, the angle of emergence of collimater diaphragm is 15 °, and diaphragm removes diffusing structure using multi-disc;In order to mitigate Weight, diaphragm use tungsten alloy material.
The lifting support in itself there is spiral to move up and down effect using trapezoidal thread as transmission mechanism, trapezoidal thread, The pressure angle of itself can prevent from producing sliding phenomenon in moving process.The minimum constructive height of support is 1400mm, and maximum height is 1900mm, when band device lifts, bracket stable, nothing is rocked, and is lifted light.
The concrete operations flow of the calibrating installation of the invention is:First ensure that the forward and backward shell of device of calibrating installation is used Lock is fixed, and piece calibration device is placed on lifting support, opens the switch under operation module, and run indicator is lighted, carried Showing device works, and says that support is elevated to specified location, and after determining good position using range-measuring circuit and locating module, opens dress Front casing is put, plug of the plug in collimater diaphragm is removed with hand;Then manual unlocking driving lever, it is operated calibrating installation; After the completion of plant running to be calibrated, driving lever is moved on to the position of closing, then plug beyond the Great Wall, device front casing is shut, turns off out Close indicator lamp to extinguish, prompt personnel's device to have been switched off, then lifting support, removes calibrating installation.The startup optimization of the device And closing flow path can at utmost reduce time of the personnel by dosage.
Described above is only embodiments of the present invention, is stated again, is come for those skilled in the art Say, under the premise without departing from the principles of the invention, some improvement can also be carried out to the present invention, these improvement are also included in the present invention In scope of the claims.

Claims (4)

  1. A kind of 1. calibrating installation for being used to solve in wire mounting gamma detector, it is characterised in that:By dismountable calibrating installation Formed with lifting support, the calibrating installation includes device front casing, device rear casing and hinge, after device front casing and device Shell is linked by hinge, and device front casing and device rear casing are closed with key lock, device rear casing Side is provided with driving lever, and installation settings has locating module and calibration source respectively in described device front casing and described device rear casing Body, and calibration source body by metal plate integrally closed in device rear casing, the locating module includes indicator lamp, button and opened Pass, digital display tube, cross locator, dry cell and range-measuring circuit, indicator lamp are arranged on the top of device front casing, and button is opened Close and digital display tube is installed in the side of device front casing, cross locator is arranged on the centre position of ray emission, described Range-measuring circuit uses ultrasonic ranging, and the calibration source body includes mandrel, rotary sleeve, collimater diaphragm and plug, mandrel and adopted With stepped and fixation on the cover board, lead is poured in the inside of mandrel, and radioactive source is arranged on mandrel, the exit of collimater diaphragm Provided with plug.
  2. A kind of 2. calibrating installation for being used to solve in wire mounting gamma detector according to claim 1, it is characterised in that: The angle of emergence of the collimater diaphragm is 15 °, and removes diffusing structure using multi-disc.
  3. A kind of 3. calibrating installation for being used to solve in wire mounting gamma detector according to claim 1, it is characterised in that: The collimater diaphragm uses tungsten alloy material.
  4. A kind of 4. calibrating installation for being used to solve in wire mounting gamma detector according to claim 1, it is characterised in that: The lifting support uses the transmission mechanism of trapezoidal thread.
CN201710467273.0A 2017-06-19 2017-06-19 A kind of calibrating installation for being used to solve in wire mounting gamma detector Pending CN107346031A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710467273.0A CN107346031A (en) 2017-06-19 2017-06-19 A kind of calibrating installation for being used to solve in wire mounting gamma detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710467273.0A CN107346031A (en) 2017-06-19 2017-06-19 A kind of calibrating installation for being used to solve in wire mounting gamma detector

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CN107346031A true CN107346031A (en) 2017-11-14

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112032488A (en) * 2020-08-25 2020-12-04 南宁学院 Photoelectric detection equipment fault diagnosis device based on PSO (particle swarm optimization) optimization neural network
CN114442140A (en) * 2022-01-04 2022-05-06 成都理工大学 Variable radiation field multipurpose irradiation calibration device and use method

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101447241A (en) * 2008-12-25 2009-06-03 西北核技术研究所 Gamma ray intense source irradiator
CN203473056U (en) * 2013-09-02 2014-03-12 内蒙古科技大学 Automatic landing gear of an electric vehicle
CN204873470U (en) * 2015-06-04 2015-12-16 中国石油化工股份有限公司胜利油田分公司孤岛采油厂 Pipeline construction lifting device
CN106376165A (en) * 2016-09-22 2017-02-01 中国原子能科学研究院 A portable X-ray irradiation device for on-site calibration

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101447241A (en) * 2008-12-25 2009-06-03 西北核技术研究所 Gamma ray intense source irradiator
CN203473056U (en) * 2013-09-02 2014-03-12 内蒙古科技大学 Automatic landing gear of an electric vehicle
CN204873470U (en) * 2015-06-04 2015-12-16 中国石油化工股份有限公司胜利油田分公司孤岛采油厂 Pipeline construction lifting device
CN106376165A (en) * 2016-09-22 2017-02-01 中国原子能科学研究院 A portable X-ray irradiation device for on-site calibration

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112032488A (en) * 2020-08-25 2020-12-04 南宁学院 Photoelectric detection equipment fault diagnosis device based on PSO (particle swarm optimization) optimization neural network
CN114442140A (en) * 2022-01-04 2022-05-06 成都理工大学 Variable radiation field multipurpose irradiation calibration device and use method
CN114442140B (en) * 2022-01-04 2022-10-14 成都理工大学 Variable irradiation field multipurpose irradiation calibration device and using method

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Application publication date: 20171114

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