CN101855574A - Device and method for monitoring the radioactive contamination of a user - Google Patents
Device and method for monitoring the radioactive contamination of a user Download PDFInfo
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- CN101855574A CN101855574A CN200880115899A CN200880115899A CN101855574A CN 101855574 A CN101855574 A CN 101855574A CN 200880115899 A CN200880115899 A CN 200880115899A CN 200880115899 A CN200880115899 A CN 200880115899A CN 101855574 A CN101855574 A CN 101855574A
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- 238000011109 contamination Methods 0.000 title abstract description 13
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
- G01T1/16—Measuring radiation intensity
- G01T1/167—Measuring radioactive content of objects, e.g. contamination
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
- G01T1/16—Measuring radiation intensity
- G01T1/18—Measuring radiation intensity with counting-tube arrangements, e.g. with Geiger counters
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- Life Sciences & Earth Sciences (AREA)
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- Spectroscopy & Molecular Physics (AREA)
- Measurement Of Radiation (AREA)
Abstract
The invention relates to a device (1) and a method for monitoring the contamination of a user by a radioactive element emitting beta radiation, wherein said device includes a user-passage gantry (2) provided with at least two proportional-counter gas-circulation panels (12) capable of detecting the beta radiation emitted substantially over the height of the user oppositely positioned. The gas circuits of the panels are connected in series, each panel (12) of the proportional counter including a frame (21) in the form of a gas-retention parallelepiped tank defining a cathode, at least five parallel anodes (25) evenly arranged across said frame, a sheet (26) of a conducting polymer entirely attached by bonding means (28) on the entire upper edge of said tank, and a conduction metal protection grid (29) of said panel attached and electrically connected to the frame so as to sandwich said sheet. The gas supply circuit of both panels includes a gas supply valve (16) and a control means (18) for opening/shutting said valve and adapted so as to supply the panels with gas at a predetermined rate.
Description
Technical field
The present invention relates to the equipment that user that radioelement that a kind of monitoring discharges by the β radiation causes pollutes, it is in the contaminated district that is called as thermal region and be called as cool region, less contaminated and/or directly with between the zone that the public place is connected comprise a subscriber channel gate-type whole body pollution detection instrument.
It relates to a kind of contamination monitoring method of implementing this equipment equally.
The present invention is except the individual's that is applied in controlled area, nuclear facilities internal work pollution detection field, and the application of particular importance is that this detection can be monitored the radioelement that β and/or γ radiation discharge, and in the situation that exists of its whole body.
Background technology
Understood and be used for the individual is monitored to survey device or the equipment that its health and/or clothes are subjected to the pollution condition of the radioactive product that the β radiation discharges, it comprises a shell that is evident as rack or gate-type whole body pollution detection instrument form, and portion is placed with a plurality of panels that are exclusively used in the gas circulation proportional counter of surveying the radiation that obviously discharges on the aspectant individual height within it.
Be exposed in the radioactive contamination risk the people then respectively in front-end and back-end by continuous monitoring, the individual is apprised of an instruction so that turn round 180 degree after being performed in the monitoring of one side.
Yet such class machine has number of drawbacks.
First defective is from the use of gas proportional counter, and the gas circulation that it need keep continuing in counter is to guarantee the good reliability of these measurements.In order to reduce not allow to survey or be not created on the risk that causes the false alarm of extensive damage in user's work day by day, a lasting flow velocity in fact is essential.
Second defective of the gate-type whole body pollution detection instrument of knowing is the complicacy of relative attended operation.In fact maintenance operator should be interfered the counter that is positioned on the gate-type whole body pollution detection instrument inside face from being positioned at probably by the gate-type whole body pollution detection instrument of alpha-contamination thermal region by the uninterrupted supply equipment of design.
Under the inner contaminated situation of gate-type whole body pollution detection instrument, a kind of like this operation therefore may be very complicated, tediously long and be made these control device become indispensable when needs prepare doubling of facility.
Risk for fault restriction and bad detection, under the situation that part is damaged, the flat detector that the gate-type whole body pollution detection instrument of prior art is devoted to prepare sufficient amount is to remedy in the middle of their the operational failure of any, guarantee simultaneously the radioactive contamination position is surveyed more accurately, each proportional counter detector is associated with specific anode corresponding to a definite detection geographic area.
Yet a kind of like this device has the defective in increase shade (ombre) zone, it be linking zone between each counter panel and it structurally obviously ability do not detect radiation and discharge.
Also understand (DE 3222442A1) a kind of opertaing device that has been equipped with the gas circulation counter panel of inner covering lithium and series connection placement.The size of panel is calculated so that prevent statistically and lithium produces reaction, and obtains the dense ionization situation thus and than the difference of light current between situation.
Except this equipment relates to the counting of neutron but not this fact of β radiation, it needs a kind of lasting recirculation operation carrying out continual gas purification, and seems complicated and expensive, especially this fact of coating.It can not be surveyed and constitute it and seek but not the β radiation of the parasitism hidden.
Also understand the pollution detection equipment of (US 4,862,005) a kind of instrument, it comprises a level detection panel that is equipped with the uninterrupted supply of gas.Both do not had leakage problem, and do not had the problem of demand on consumption problem and/or relevant important vertical sounding surface processed yet.
Summary of the invention
The present invention is intended to remedy these defectives.It is intended to recommend to respond better than present known workaround a kind of solution of practice demand, especially be that it recommends the equipment and the method for a kind of very big restriction β radiation detector to the consumption of gas, it allows convenient maintenance, especially only can carry out from cool region, allow the accurate monitoring of radioactive contamination position simultaneously and greatly limit shade (ombre) zone, thus improved cost and reliability.
For this purpose; the present invention especially recommends a kind of supervisory user to be subjected to the equipment of the pollution of radioelement; comprise subscriber channel gate-type whole body pollution detection instrument; described gate-type whole body pollution detection instrument is equipped with the radioactive gas circulation proportional counter panel that obviously discharges at least two users' that can survey the opposite the height; what the gas return path of these panels was connected in series and the gas supply loop of two panels comprises gas supply valve and described valve drives/closes control device; it is characterized in that radioelement belongs to the radiator type of β radiation; described panel can be surveyed the β ray; the flute profile framework that each panel of described proportional counter comprises the parallelepipedon that constitutes negative electrode and keep gas be distributed in described framework regularly at least five parallel anodes; its feature is also that this equipment also comprises with bonder and is fixed on polymeric conductors sheet on the whole top of described groove; and by conductor metal protection grid, and be characterised in that it is the panel supply gas that described control device and described valve are arranged to the discontinuous rhythm that is used for according to determining with the described described panel of fixing and be electrically connected to described framework of being clipped in the middle.
According to definite rhythm, must generate the phase one and the noncontinuity supply of the subordinate phase of second duration of stop supplies fully that comprise with first definite duration of flow velocity supply in several liters hours.
Have benefited from therefore obtaining faint gas consumption by the be glued together combination of the sealing that obtains and noncontinuity supply flow velocity of the supply panel that will connect; Have benefited from because the limited quantity of the panel that numerous anode quantity of having of each panel cause, the risk that sealing lacks continues to be lowered.
Under favourable implementation pattern, obtain more solution in any one or several from following arrangement:
-gate-type whole body pollution detection instrument comprises 4 panels of arranging shoulder to shoulder that connect in twos, and the gas return path of panel is connected in series.
The restriction of four panels, this requires the panel height of 1 meter the order of magnitude, owing to the bonding excellent sealing that produces, here may exist; The precision that has benefited from a large amount of anode quantity detections of each panel is ensured.
By four panels for example placing with mosaic mode, shadow zone reduction is to minimum;
-bonder is made of double sticky tape.
A kind of so bonding simplification and the convenience of its enforcement need not to suppose the sealing that is obtained, use the ring joint traditional approach to realize.
-each panel comprises at least eight anodes, is connected respectively to the collection that is used for call alert monitoring and control central location that is exclusively used in each anode and disposes electronic circuit.
In the prior art, use for this reason, especially, do not have a kind of method to advise that each panel will have the anode of quantity like this for worry to the sealing of traditional gas circulation proportional counter;
-these panels are fixed in the support frame and are placed in the plane parallel with user's direction of passage in the side, and described support is installed on the horizontal slide rail that connects with gate-type whole body pollution detection instrument remainder and is arranged to be used to make whole of remainder of described gate-type whole body pollution detection instrument to extract out from only side of described gate-type whole body pollution detection instrument by simple slip.
Have benefited from the simplification according to sealing installation of the present invention, a kind of like this extraction that is set to whole on the slide rail can be expanded;
The gas return path of-panel is closed automatically that rapid-acting coupling is connected to each other and can be isolated mutually by sealing;
-this equipment also comprises at least one γ radiation detection scintillater plasticity piece;
-it comprises four parallel γ detecting modules that are placed on the beta detection panel back;
-it comprises also that this or these gamma detector is measured and the associated apparatus of this or these beta rediation detector between measuring, and when the alarm device when inconsistent between signal;
-it is included in the abnormal signal device under the situation that ground unrest increases.
Operation seems very effective to this supervising device owing to make a clear distinction between right and wrong continuously according to we;
-this equipment comprises according to following round-robin gas flow rate feeding controller:
With the gas supply of flow velocity between 4 liters/hour and 8 liters/hour 5 to 15 minutes, and preferably with the flow velocity supply of 6 liters/hour the order of magnitude 10 minutes,
Unavailability during 30 to 70 minutes, and preferably 50 minutes.
Coefficient 5 reductions are pressed in gas consumption, are 10 with respect to prior art even coefficient.
The present invention also recommends a kind of method of using the said equipment.
It also recommends a kind of supervisory user to be subjected to the method for the pollution of the radioelement that the β radiation discharges, comprise subscriber channel gate-type whole body pollution detection instrument, described gate-type whole body pollution detection instrument is equipped with the Beta-ray gas circulation proportional counter panel of obviously emitting at least two users' that can survey the opposite the height, it is characterized in that with the panel supply gas of discontinuous mode to series connection, each panel its constitute negative electrode reservation gas parallelepipedon the flute profile framework and be fixed on above the polymeric conductors sheet between fixing and sealing realize by the bonder on the whole top that is bonded in described groove
Advantageously, between four panels of connecting placement and connecting shoulder to shoulder in twos, make gas circulation.
Under a kind of favourable implementation pattern, realize sealing by a double sticky tape.
Also advantageously, described panel is fixed in the support frame and in being placed on the plane parallel with the current direction of user laterally, described support is installed on the horizontal slide rail that links to each other with gate-type whole body pollution detection instrument remainder, and be arranged to by extracting whole of gate-type whole body pollution detection instrument remainder out from the single side of described gate-type whole body pollution detection instrument, realize maintenance described panel with simple the slip.
Under the favourable implementation pattern of another kind, this equipment but also comprise at least one γ radiation detection scintillater plasticity piece, measure and this or these beta rediation detector is set up between measuring relatedly at this or these gamma detector, and starting warning horn under the inconsistent situation between signal.
Advantageously, under the situation that ground unrest increases, start an abnormal signal.
Ground unrest is the noise that is generated by the β of nature and γ radiation.Also advantageously, according to following cycle control gas flow rate supply:
During between the order of magnitude of 5 minutes the orders of magnitude and 15 minutes with the flow velocity supply gas between the order of magnitude of the order of magnitude of 4l/h and 8l/h, and preferably during 10 minutes the order of magnitude with the flow velocity supply gas of the order of magnitude of 6l/h,
Supply gas not during between the order of magnitude of 30 minutes the orders of magnitude and 70 minutes, and supply gas not during 50 minutes the order of magnitude preferably.
The order of magnitude represents to be greater than or less than 5%.
More particularly, according to following cycle control gas flow rate supply:
The flow velocity of 6 liters/hour order of magnitude supply 10 minutes, and 50 minutes air feed not.
Description of drawings
The present invention will more in depth be understood after reading as the description of the implementation pattern of non-limiting case.This description is with reference to institute's accompanying drawing, wherein:
Fig. 1 is the see-through view of seeing from thermal region according to a gate-type whole body pollution detection instrument of first kind of implementation pattern of the present invention.
Fig. 2 is Fig. 1 gate-type whole body pollution detection instrument of seeing from cool region, and part is opened, the rear portion see-through view.
Fig. 3 is from another angle, a rear portion see-through view of Fig. 2 gate-type whole body pollution detection instrument, it be shown as safeguard near and be drawn out of proportional counter panel under the state.
Fig. 4 is that basis is at a front of the implementation pattern of the present invention of this more special description, the synoptic diagram of four counter panels.
Fig. 5 is the decomposition diagram that a demonstration is installed according to the counter panel of a kind of implementation pattern of the present invention.
Fig. 6 has shown the main synoptic diagram according to the β of a kind of implementation pattern of equipment of the present invention and gamma detector device.
Embodiment
Fig. 1,2 and 3 has shown the gate-type whole body pollution detection instrument 1 that is made of a metal parallelepipedon railway carriage or compartment 2, and this railway carriage or compartment 2 comprises from accessible 3 of thermal region, has by inlet 45 sealings of a rotation guardrail, that enter for the user.This gate-type whole body pollution detection instrument comprises the opposing face 6 of a subscriber's outlet,, is unlocked in case control operation is performed this goalkeeper with effective and efficient manner by transparent slide 7 sealings in the cool region side.
Gate-type whole body pollution detection instrument self comprises the different opertaing device that other follow-up relevant the present invention more describe in detail in known manner.
Specifically, it for example comprises a meter electronics reading machine 8 that is placed on van-type support 2 outsides, and it allows the user to understand the equivalent of the dosage that he is born when thermal region.
It also comprises a leveling board 9, and it comprises that one is arranged to the gas circulation proportional counter of surveying foot's beta activity and polluting, equipment, hand, foot and the upper body part position sensor of a detection user (not shown) on the scene and the safe detector (not shown) of outlet portal 7.A computer display 10 allows to show the information that is detected on this chamber.
Gate-type whole body pollution detection instrument also comprises a slip plane 11, and it is made of 4 proportional counter panels 12.
Fig. 3 shows 4 panels 12, in the cool region side of gate-type whole body pollution detection instrument, links to each other with rectangular frame on being installed in slide rail 11 ', in the position of extracting from the back side.
The counter 9 that foot uses can be removed on one side from this equally, and is the same with the gamma counter of describing in detail subsequently.As shown in Figure 2, a whole set of electronics and electronic accessory and card touch at the back side equally thus when stopping and protect panel to be removed.
With reference to Fig. 4, these panels 12 are identical, rectangle and each other by a gas (argon+CO
2) supply network is cascaded.
This network 13 is at upstream and downstream, respectively, comprise a tachograph 14 and a tachograph 15, via the standard-sized sheet or the full cut-off of valve 16 and 17, by PCCU programmable center control unit 18 remote controls so that inject for example by 90% argon and 10%CO 19 in noncontinuity mode according to the present invention
2The gas that constitutes.
In order to make it separable, these panels are by rapid-acting coupling 20 ratchet structure, sealing, and for example this series products of being made by STAUBLI company is connected to network mutually.
With reference to Fig. 5, each panel 12 of for example 1 meter * 40 centimetres is made of the parallelepipedon metal frame 21 that constitutes negative electrode, and this metal frame constitutes the high 13 millimeters groove of wall and for example has been equipped with the new reinforcing member 22 that limits 10 identical surface elements in base of frame.
Gas is introduced into 24 according to the flow velocity of determining rhythm.
Under this implementation pattern of describing more emphatically, each side (lat é ral) ratio beta counter panel comprises that 10 parallel lines forms spread all over the anode 25 of whole frame width.
The negative electrode of the relative ground connection of these anodes for example has 1500V voltage.Their relative panels are laterally placed regularly.This panel also comprises a slice polymeric material conductor piece 26, the known materials of MYLAR brand for example, and it covers fully has its be adhesively fixed surface of framework of superincumbent top 27.
Be more accurately, under this implementation pattern of the present invention of describing more emphatically, this sheet by one for example with the leg of frame with wide double sticky tape 28, for example the double sticky tape made of 3M company is fixed.
Panel comprises that also one has the identical table area, constitutes honey comb like stainless steel protection grid 29 in a known way with framework.
This grid passes the top 27 that MYLAR mylar material is fixed on described framework with metal screw 30, to guarantee electric continuity.
Can survey the alpha-contamination β radiation counter of user's body in the side mode except four, also prepare known γ radiation plasticity scintillation counter, for example two or four detectors directly are placed on the back side of β radiation detector.
9 ', two of prepped side faceplate panels 12 ' and standby foot panels be gassy all, owing to connect with gate-type whole body pollution detection instrument gas circulation loop, they design for making the panel quick exchange and need not to carry out several hours gas circulation for purifying air.
Their quilts are with panel 12 parallel placements and in the behind of stereotype (not shown).
Be described in the electricity and the electrical schematic diagram (equally with reference to figure 2) of the detecting devices of this implementation pattern of describing more emphatically of the present invention referring now to Fig. 6.
These detectors link to each other with the microprocessor processes card 37 of measured signal by loop 36, so that, be connected to central control unit 39 or a microcomputer by a data bus 38, and exceed under the situation about fixing limit in detection, provide the loudspeaker 40 of instruction to start alarms by being used as the user equally.
This loop 31 also comprises a γ detection circuit 41, and it is equipped with 4 flicker pieces 42, and each piece links to each other with central location 43, and this central location self links to each other with UC 39, so that carry out association between β measurement and γ measurement.
In the mode of knowing, the transverter 44 of 24V power supply and repeater support that track 45 is designed in the back side, and cool region one side is so that after back protection panel (not shown) is opened, provide a maintenance channel.
The execution of equipment is described at this implementation pattern of the present invention that particularly focuses on reference to Fig. 1 to 3 basis.
The user who enters controlled area (thermal region) may be subjected to the pollution of the radioactive particle of β radiation and/or γ radiation release.
The pollution of these types generally is paired appearance.User's health and clothes all therefore should be monitored, comprise foot, hand and hair.
For this reason, before the user is positioned at the gate-type whole body pollution detection instrument guardrail of for example opening automatically 5.
He enters Control Room 2 inside subsequently, and before being positioned at panel 12, is closed towards the slide 7 of cool region.
For example be integrated into and have the existence of detector on the Control Room ceiling, provide instruction to this user and it is close on the panel and with pin and hand be placed on correct place to computing machine (central location) indication user.
The correct placement location (from the axis of panel 12 carrying steel plate outside surface 25mm) of the correct placement location of optical detector monitoring hand (from the axis of panel 12 carrying steel plate outside surface 25mm) and pin (from the axis of panel 12 carrying steel plate outside surface 20mm) and back and face.
Guardrail 5 cuts out once more and monitors at first and begins to follow by the back from face.After monitored computer display 10 where necessary in the user shows corresponding to this panel because the snowslide effect generates the panel zone of the pollution detection that additional ions causes at specific anode place according to gas proportional counter ionization chamber amplification principle.
Each panel is by the rhythm supply gas (argon+CO to determine
2), whether enter Control Room with the user and have nothing to do.
For this reason, open in the time of for example by valve connected in series in the panel 12 16 and 17 and and then close, 5 liters/hour flow velocity was injected in 10 minutes, kept not having supply with rear panel in 50 minutes.Use configuration of the present invention, therefore may have 1 liter/hour mean flow rate, reduce 5 to 10 times than conventional art.The beta detection of foot is equally can be with health radioactive contamination beta rediation detector panel connected in series or be installed separately.
Under the situation of gas leakage, central location be arranged to ionization detection quantity with the panel of natural radiation reaction in ANOMALOUS VARIATIONS, this starts an alarm so that safeguard.
In the beta activity pollution detection, gamma-emitting detection is realized by the plasticity scintillation detector of four known types.
Their searching surface covers whole health and is displaced downwardly to 95mm place down, support plate (plancher) surface.To notice that at last stereotype is placed on the back side of panel 12 to reduce ground unrest and to improve usefulness for this reason.
The combination of the measurements that the card 37 of β and gamma detector and 42 is carried out allows in central location 39 between these are measured under the situation of onrelevant related and start an alarm 40 with automated manner.Under the situation of pollution detection, the user leaves the thermal region place and removes computer Recognition and on screen and the radioactive contamination of the part by loudspeaker indication.
Under not by alpha-contamination situation, central location requires the user to leave gate-type whole body pollution detection instrument.
Automatically open with back door 7 identification is not left by alpha-contamination user.Otherwise door is not opened.
The back of in Fig. 2 and 3, having represented Control Room.
It from cool region give different counters and control module a direct complete arrival passage is provided.
Self-evident and as it carries out, the present invention is not limited to the implementation pattern of more describing in detail.On the contrary it comprise all situations of change especially gate-type whole body pollution detection instrument comprise the situation of other additional detector.
Claims (19)
1. a supervisory user is subjected to the equipment (1) of the pollution of radioelement; comprise subscriber channel gate-type whole body pollution detection instrument (2); described gate-type whole body pollution detection instrument (2) is equipped with the radioactive gas circulation proportional counter panel (12) that obviously discharges at least two users' that can survey the opposite the height; what the gas return path of these panels was connected in series and the gas supply loop of two panels comprises gas supply valve (16) and described valve drives/closes control device (18); it is characterized in that radioelement belongs to the radiator type of β radiation; described panel can be surveyed the β ray; the flute profile framework (21) that each proportional counter panel (12) comprises the parallelepipedon that constitutes negative electrode and keep gas be distributed in described framework regularly at least five parallel anodes (25); its feature is also that this equipment also comprises with bonder (28) and is completely fixed in polymeric conductors sheet (26) on the whole top (27) of described groove; and by conductor metal protection grid (29), and be characterised in that it is the panel supply gas that described control device and described valve are arranged to the discontinuous rhythm that is used for according to determining with the described described panel of fixing and be electrically connected to described framework of being clipped in the middle.
2. equipment according to claim 1 is characterized in that described gate-type whole body pollution detection instrument comprises four panels that link to each other, place shoulder to shoulder in twos, and the gas return path of described panel is connected in series.
3. each described equipment in requiring according to aforesaid right is characterized in that bonder (28) is made of a double sticky tape (28).
4. each described equipment in requiring according to aforesaid right, it is characterized in that each panel comprises at least eight anodes (25), described anode (25) is connected respectively to the collection that is used for call alert monitoring and control central location (39) that is exclusively used in each anode and disposes electronic circuit (37).
5. each described equipment in requiring according to aforesaid right, it is characterized in that these panels (12) are fixed in the support frame and be placed in the plane parallel that described support is installed in the horizontal slide rail (11 ') that connects with gate-type whole body pollution detection instrument remainder and goes up and be arranged to be used to make whole of remainder of described gate-type whole body pollution detection instrument to extract out from only side of described gate-type whole body pollution detection instrument by simple slip with user's direction of passage in the side.
6. each described equipment in requiring according to aforesaid right, the gas return path that it is characterized in that each panel is closed rapid-acting coupling (20) automatically and is interconnected and can isolate mutually by sealing.
7. each described equipment in requiring according to aforesaid right is characterized in that it also comprises a γ radiation detection scintillater plasticity piece (42) at least.
8. equipment according to claim 7 is characterized in that comprising that four parallel γ that are placed on the beta detection panel back survey piece (42).
9. according to each described equipment in claim 7 and 8, it is characterized in that also comprising that this or these gamma detector is measured and the associated apparatus (39) of this or these beta rediation detector between measuring, and when the alarm device when inconsistent between the signal.
10. each described equipment in requiring according to aforesaid right is characterized in that being included in the abnormal signal device (39,40) under the situation that ground unrest increases.
11., it is characterized in that comprising according to following round-robin gas flow rate feeding controller (18) according to each described equipment in the aforesaid right requirement:
During between the order of magnitude of 5 minutes the orders of magnitude and 15 minutes with the flow velocity supply gas between the order of magnitude of the order of magnitude of 4l/h and 8l/h, and preferably during 10 minutes the order of magnitude with the flow velocity supply gas of the order of magnitude of 6l/h,
Supply gas not during between the order of magnitude of 30 minutes the orders of magnitude and 70 minutes, and supply gas not during 50 minutes the order of magnitude preferably.
12. a supervisory user is subjected to the method for the pollution of the radioelement that the β radiation discharges, comprise subscriber channel gate-type whole body pollution detection instrument (2), described gate-type whole body pollution detection instrument is equipped with the Beta-ray gas circulation proportional counter panel (12) of obviously emitting at least two users' that can survey the opposite the height, it is characterized in that with panel (12) supply gas of discontinuous mode to series connection, each panel (12) its constitute negative electrode reservation gas parallelepipedon flute profile framework (21) and be fixed on fixing between the polymeric conductors sheet (26) of top and realize by the bonder on the whole top (27) that is bonded in described groove with sealing.
13. method for supervising according to claim 12 is characterized in that at the recyclegas between four panels placing and connect shoulder to shoulder in twos of connecting.
14., it is characterized in that realizing seal bond by the mode of double sticky tape (28) according to each described method in claim 12 and 13.
15. according to each described method in the claim 12 to 14, it is characterized in that described panel (12) is fixed in the support frame and in being placed on the plane parallel laterally with the current direction of user, described support is installed on the horizontal slide rail (11 ') that links to each other with gate-type whole body pollution detection instrument remainder, and be arranged to by extracting whole of gate-type whole body pollution detection instrument remainder out from the single side of described gate-type whole body pollution detection instrument, realize maintenance described panel with simple the slip.
16. according to each described method in the claim 12 to 15, it is characterized in that equipment (1) also comprises at least one γ radiation detection scintillater plasticity piece (42), measure and this or these beta rediation detector is set up between measuring relatedly at this or these gamma detector, and starting warning horn under the inconsistent situation between the signal.
17., it is characterized in that under the situation that ground unrest changes, starting abnormal signal according to each described method in the claim 12 to 16.
18., it is characterized in that according to the supply of following cycle control gas flow rate according to each described method in the claim 12 to 17:
Carry out 5 minutes to 15 minutes gas supply with the flow velocity between the 4l/h to 8l/h, supply gas not between 30 minutes and 70 minutes.
19. method according to claim 18 is characterized in that according to the supply of following cycle control gas flow rate:
Flow velocity with the order of magnitude of 6l/h carries out the gas supply of 10 minutes the order of magnitude, and during 50 minutes the order of magnitude supply gas not.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0706674 | 2007-09-24 | ||
| FR0706674A FR2921496B1 (en) | 2007-09-24 | 2007-09-24 | DEVICE AND METHOD FOR CONTROLLING RADIOACTIVE CONTAMINATION OF A USER |
| PCT/FR2008/001328 WO2009074740A2 (en) | 2007-09-24 | 2008-09-24 | Device and method for monitoring the radioactive contamination of a user |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101855574A true CN101855574A (en) | 2010-10-06 |
Family
ID=39462141
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200880115899A Pending CN101855574A (en) | 2007-09-24 | 2008-09-24 | Device and method for monitoring the radioactive contamination of a user |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP2201406A2 (en) |
| CN (1) | CN101855574A (en) |
| FR (1) | FR2921496B1 (en) |
| WO (1) | WO2009074740A2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104570037A (en) * | 2014-11-10 | 2015-04-29 | 绵阳市维博电子有限责任公司 | Whole-body beta-pollution monitoring instrument |
| CN107367752A (en) * | 2017-07-28 | 2017-11-21 | 成都理工大学 | Measure the horizontal device of ventilation filter frame radiative |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3024918B1 (en) * | 2014-08-13 | 2018-02-09 | Electricite De France | SENSOR PROTECTION DEVICE FOR A PORTIC OF A SAS OF A NUCLEAR POWER PLANT |
| FR3029001B1 (en) * | 2014-11-26 | 2016-12-23 | Electricite De France | PROBE PROTECTION DEVICE FOR A PORTIC OF A SAS OF A ZONE OR AN INFRASTRUCTURE OF STORAGE OR OPERATION OF RADIOACTIVE MATERIALS |
| CN108508472A (en) * | 2018-05-30 | 2018-09-07 | 绵阳市维博电子有限责任公司 | People's internal exposure measuring contamination method based on radionuclide effective position |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4447727A (en) * | 1981-06-30 | 1984-05-08 | Irt Corporation | Large area neutron proportional counter and portal monitor detector |
| DE3221081A1 (en) * | 1982-06-04 | 1983-12-08 | Herfurth Gmbh, 2000 Hamburg | Arrangement for reducing the counter gas consumption of large-area proportional counters |
| US4862005A (en) * | 1988-06-02 | 1989-08-29 | Westinghouse Electric Corp. | Apparatus for detecting radioactive contaminants on hand tools |
-
2007
- 2007-09-24 FR FR0706674A patent/FR2921496B1/en not_active Expired - Fee Related
-
2008
- 2008-09-24 CN CN200880115899A patent/CN101855574A/en active Pending
- 2008-09-24 EP EP08860437A patent/EP2201406A2/en not_active Withdrawn
- 2008-09-24 WO PCT/FR2008/001328 patent/WO2009074740A2/en active Application Filing
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104570037A (en) * | 2014-11-10 | 2015-04-29 | 绵阳市维博电子有限责任公司 | Whole-body beta-pollution monitoring instrument |
| CN107367752A (en) * | 2017-07-28 | 2017-11-21 | 成都理工大学 | Measure the horizontal device of ventilation filter frame radiative |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2921496A1 (en) | 2009-03-27 |
| WO2009074740A3 (en) | 2009-08-20 |
| FR2921496B1 (en) | 2010-02-26 |
| WO2009074740A2 (en) | 2009-06-18 |
| EP2201406A2 (en) | 2010-06-30 |
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