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WO2014080355A1 - Système de réception et de traitement de données provenant d'un test de contamination par frottis - Google Patents

Système de réception et de traitement de données provenant d'un test de contamination par frottis Download PDF

Info

Publication number
WO2014080355A1
WO2014080355A1 PCT/IB2013/060298 IB2013060298W WO2014080355A1 WO 2014080355 A1 WO2014080355 A1 WO 2014080355A1 IB 2013060298 W IB2013060298 W IB 2013060298W WO 2014080355 A1 WO2014080355 A1 WO 2014080355A1
Authority
WO
WIPO (PCT)
Prior art keywords
labels
binary
data
nfc
wiper
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.)
Ceased
Application number
PCT/IB2013/060298
Other languages
German (de)
English (en)
Inventor
Niklaus Keel
Henning Schlüter
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.)
TB-SAFETY GmbH
TB SAFETY GmbH
Original Assignee
TB-SAFETY GmbH
TB SAFETY GmbH
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 TB-SAFETY GmbH, TB SAFETY GmbH filed Critical TB-SAFETY GmbH
Priority to EP13820944.0A priority Critical patent/EP2923221A1/fr
Publication of WO2014080355A1 publication Critical patent/WO2014080355A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
    • G21F9/00—Treating radioactively contaminated material; Decontamination arrangements therefor
    • G21F9/001—Decontamination of contaminated objects, apparatus, clothes, food; Preventing contamination thereof
    • G21F9/002—Decontamination of the surface of objects with chemical or electrochemical processes
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
    • G01T7/00—Details of radiation-measuring instruments

Definitions

  • This invention relates to wipe tests used in industrial plants and laboratories for detecting and measuring contaminants on surfaces, and more particularly to a system for receiving and processing such data.
  • the invention also relates to a wiper element for carrying out a wipe test and to a method for carrying out a wipe test.
  • Prior Art Wipe tests also called screening or wipe tests, are used to control the cleanliness of surfaces in laboratories and industrial facilities and to detect radioactive and other harmful health and environmental contaminants. They are used, for example, in chemical and pharmaceutical research and manufacturing facilities as well as in nuclear facilities.
  • wipe tests pieces of fabric or other wiping elements having a purposefully pretreated surface are wiped by a practitioner over surfaces to be tested, with contaminants adhering to the pretreated surface of the fabric pieces.
  • the specialist keeps written information about the place and time of the wipe test.
  • the fabric pieces of the wipe tests are then metrologically examined for contamination in a laboratory. Such wipe tests are regularly performed on thousands of objects.
  • DE4419503 discloses a method for recording and displaying nuclear measurement data, in which photographs of a nuclear facility are created and stored on CDs. The stored photos are then linked to a table, to which measurement point identifiers and associated measurement data are assigned. Wipe tests are then from Experts at individual measuring points carried out, whereby the measuring point marks at measuring points as well as the measuring data are noted by the experts handwritten in the table with photos. The handwritten supplement table with photos is finally stored on a mobile hard drive. After each decontamination procedure, the wipe test measurements and their handwritten listing and storage on the hard disk are repeated.
  • a system for recording measurement data from wipe tests from a nuclear facility comprises a plurality of wiping elements for wipe tests each having a surface adapted to receive contaminants and on which a binary, uniquely identifiable label is arranged.
  • the system also comprises a plurality of binary labels which can each be mounted on an object surface of the nuclear installation to be tested.
  • the system comprises a data acquisition device, which is designed for electronically recording the binary labels and assigning the labels of wiping elements to labels of object surfaces.
  • the system includes a measuring station designed to detect and quantify radioactive contamination on the wiping elements, and means to transfer data from the data acquisition device to the measuring station.
  • each wiping element and each object surface of the nuclear installation to be checked for contamination has a passive transponder, such as a smart tag or a near-field communication-capable label. Called Field Communication Label or NFC Label.
  • the data acquisition device has an antenna for transmitting a electromagnetic field to the NFC-enabled labels on the surfaces to be inspected, as well as the wipers, allowing the NFC-enabled labels to emit data contained in the NFC-enabled labels due to the electromagnetic field.
  • an NFC transceiver IC control loop is integrated in the measuring station, which is designed to receive data from the NFC-compatible labels and to associate the data of each wiping element with the data of a tested object surface.
  • each wiping element as well as each object surface of the nuclear installation to be inspected for contamination has a visible binary label such as a bar code or a quick response or QR code.
  • the data acquisition device is accordingly equipped with a reader that can recognize a binary code due to contrast lines and convert them into electronic signals, such as a bar code or bar code reader or QR code reader.
  • the NFC-enabled labels include one or more data types including identification codes, location, time, object, and / or personal data.
  • An inventive wiper element for wiping tests in a nuclear facility has a piece of cotton and a binary, uniquely identifiable label containing an identification code.
  • the wiper element consists of a woven piece of cotton which is attached to a paper backing by means of an adhesive.
  • the label may be an NFC-enabled label or smart tag or an optically detectable one-dimensional bar code or a two-dimensional QR code.
  • a binary identification of a wiper element for a wipe test as well as a binary identification of a test to be tested
  • Object surface of the system by a binary label on the wiper element and a binary label is detected on the object surface to be tested, whereupon the wiping element is wiped over the object surface and the identification data from the labels of the wiping element and the object surface are assigned to each other electronically.
  • These steps are repeated as often as desired with further wiping elements and other object surfaces.
  • the mutually associated labels are then transmitted electronically to a measuring station, and the wiping elements are metrologically evaluated in the measuring station for radioactive contamination, wherein the measurement data of the wiping elements determined there are assigned to the respectively associated tested object surfaces electronically.
  • the labels of the wiping elements and the object surfaces are detected by radio-frequency identification of labels of a smart-tag or near-field communication-capable labels, wherein an electric field in the near-field communication by means of the data acquisition device capable labels are generated and the labels transmitted to the data acquisition device, recorded and assigned to each other.
  • the labels stored in the data acquisition device are then transmitted to a measurement station for measuring radioactive contaminants and for evaluating the associated labels. These can be transmitted either over shielded wire connections or wirelessly via Bluetooth, near field communication, a wireless local area network or a local area network.
  • the data can be transmitted over an arbitrary distance to a measuring station with Geiger counter or other measuring device for the determination of a radioactivity and a data evaluation system.
  • the labels are detected by optical mapping of visible, binary labels or codes and assigned to each other electronically. After transmission of the associated labels to the measuring station, the labels of the wiping elements in the measuring station are again optically detected and assigned the measured values of the radioactivity of the respective wiping elements due to the transmitted mapping data to the object surfaces.
  • the inventive system for data acquisition from wipe tests and the method according to the invention is based on a clear binary identification of wipe test elements and of tested object surfaces as well as their electronic assignment and the transmission of the assigned identification data to a measurement and data evaluation system.
  • the identification can be carried out via radio frequency by means of NFC labels and Radio Frequency Identification RFID or via visual identification by means of visible code.
  • the transmission of the assigned labels to a measuring station takes place electronically via fixed wire connections or by wireless signal transmission, and the identification of the wipe test elements in the measuring station is again effected by means of an optical reading device or via NFC labels.
  • the invention enables a fast, efficient and secure association of wipe test data with the positions of the surfaces on which the wipe tests are performed. Elaborate, handwritten steps in the procedure are avoided.
  • the inventive Wischtest- and data recording and their assignment, transmission and evaluation can be carried out as a routine work and ensures a strong reduction of the error rate. Since such wipe tests are carried out regularly and often and on a large number of object surfaces in a system, a large number of measurement and location data is thereby generated. The risk of human error in recording and assigning the data is minimized by the system according to the invention. This is of great importance in the regular control of radioactivity of nuclear installations in operation, in the control of transport containers for radioactive waste and in the control of dismantling equipment.
  • the invention also provides options for the efficient creation of data statistics. Further advantages and features of the invention will become apparent from the following description in which the invention with reference to an embodiment shown in the schematic drawing is explained in more detail.
  • FIG. 1 shows a schematic of the system according to the invention for recording data from wipe tests.
  • FIG. 1 shows a system according to the invention with NFC labels for data acquisition as well as a reading device for data acquisition and transmission and a measuring station for data evaluation.
  • the system here shows only a wiping element 1 and only one object surface 5 to be tested and the associated devices for data acquisition and transmission.
  • the system shown can be used for a plurality of wiping elements 1 and a plurality of surfaces 5 to be tested. In typical applications in nuclear installations and transport containers of nuclear waste, several hundreds or thousands of surfaces must be regularly checked for contamination.
  • a wiper element 1 consists of a woven cotton piece 2, which is slightly grooved on its surface. For wipe tests in the nuclear area, ie in the areas within the secondary circuit of a nuclear power plant or research facility, these pieces of fabric are manufactured according to the appropriate standardization with regard to the type of fabric, the type of fabric and its size.
  • the fabric piece 2 On the back of its surface, the fabric piece 2 is provided with an adhesive, with which it is fixed on a paper backing 3.
  • the fabric piece 2 has an NFC-capable label 4, which is an individual code wherein the NFC-enabled label 4 of each wipe test piece 1 includes an individual and unique code.
  • the surface 5 of an object for example a work table, measuring device, or a bottom surface, likewise has an NFC label 6 or smart tag arranged on a support surface 7, which likewise contains an individual code.
  • Each object surface to be checked for contamination is thereby uniquely identifiable and distinguishable by its individual code.
  • a wiping element 1 is wiped by a specialist over a surface 5 of an object to be tested.
  • a data acquisition device is then placed in the immediate vicinity of the NFC label 6 of the object surface 5 and the NFC label 4 of the wiper element 1, so that they are within the range of the antenna 8, typically up to 4 cm.
  • an electromagnetic field is effected in the two NFC labels 4 and 6, whereupon identification data or codes included in the NFC labels 4 and 6 are transmitted and received by an NFC-enabled data acquisition device as indicated by the double arrows 8 '.
  • This may be, for example, a smartphone 9 or tablet personal computer 9.
  • a smartphone and a smartphone can be used, which has all the features of a smartphone, but in which the phone function is disabled or not installed. This solution is particularly suitable for a nuclear installation in which telephony is not permitted for security reasons.
  • the NFC-capable data acquisition device 9 is thereby positioned within its ranges of typically up to 10 cm from the NFC-capable labels 4 and 6.
  • the data of the wiper element 1 are assigned to the data of the inspected object surface 5 by the data acquisition device 9.
  • an NFC-compatible label 4 of a wiper element 1 and the NFC-capable label 6 of an object surface 5 each contain only one identification code or label. You can, however any other codes or data that would be beneficial to a more detailed data analysis.
  • instructions may also be stored on the label asking a skilled person to perform a measurement task or other laboratory function, such as an instruction to perform a dose rate measurement.
  • the person skilled in the art can transmit further data such as time, place, person or other data during the data transmission from the NFC-capable labels 4 and 6 to the data acquisition device 9 and assign them to the identification codes. The time can also be automatically added to the data set with each data transmission by the data acquisition device 9.
  • the object surface is wiped off with the wiping element.
  • the associated data of the wiping element and the surface are then transmitted from the data acquisition device to the measuring station. For this the data acquisition device is brought to the measuring station.
  • the data is then transmitted via Bluetooth transmission standard or in turn via NFC on to a measuring station 10 with NFC-enabled IC as indicated by the arrow 8 ".
  • the data can also be transmitted to the measuring station via conventional fixed wire connections. This may be beneficial if wireless transmission would interfere with other functions in the nuclear facility.
  • the wiping elements 1 themselves are brought by the skilled person to the measuring station 10 and introduced, for example on one or more sample drawers with counting dish or Planchet 1 1 in the measuring station 10, where the wiping elements 1 then measured by means of a Geiger counter or similar suitable device for radioactive contamination become.
  • each wiper element 1 is identified by means of its NFC-capable label 4 by an integrated NFC transceiver IC in the measuring station 10, wherein, for example, for each of several simultaneously introduced into the measuring station Planchet 1 1, an NFC transceiver IC is present.
  • the measured values of the Radioactivity or other contamination of each piece of cotton 2 are then properly assigned and stored on the basis of the NFC-enabled data acquisition device or tablet PC 9 transmitted data of the inspected object surface 5.
  • a specialist transfers the wipe test fabric pieces with the labels to the measuring station, whereby the measured values from the fabric pieces can be assigned to the respective locations of the wipe test as well as to the time of execution of the wipe test and the executing specialist by means of the NFC labels and the data evaluation station.
  • the wiping element is provided with a visible, binary code, for example a QR code, instead of an NFC label
  • the data acquisition device is accordingly equipped with an optical detection.
  • the measuring station is equipped with a corresponding reader to identify the labels on the wiping elements 1 in the drawer 1 1.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Food Science & Technology (AREA)
  • Electrochemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Molecular Biology (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Measurement Of Radiation (AREA)

Abstract

L'invention concerne un système de réception de données provenant d'un test de contamination par frottis, dans le domaine nucléaire, comprenant une pluralité de tests de contamination par frottis (1) présentant une étiquette à lecture NFC (4), une pluralité d'étiquettes à lecture NFC (6) qui peuvent être fixées sur des surfaces (5), et un smartphone à lecture NFC ou une tablette PC à lecture NFC. Le procédé selon l'invention, pour la réception de données provenant d'un test de contamination par frottis, est caractérisé en ce que les éléments de frottis (1) et les surfaces examinées pour les contaminations (5) sont identifiés par identification par radio-fréquence, et les données des éléments de frottis et des surfaces objets sont transmises à un smartphone ou à une tablette PC, par communication en champ proche. L'invention permet d'obtenir une affectation et une évaluation des données d'identification et de mesure efficaces et offrant une protection contre les erreurs. Un élément de frottis à étiquette NFC est également revendiqué.
PCT/IB2013/060298 2012-11-26 2013-11-21 Système de réception et de traitement de données provenant d'un test de contamination par frottis Ceased WO2014080355A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP13820944.0A EP2923221A1 (fr) 2012-11-26 2013-11-21 Système de réception et de traitement de données provenant d'un test de contamination par frottis

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH25352012A CH707239A2 (de) 2012-11-26 2012-11-26 System zur Aufnahme von Daten aus Wischtests aus einer kerntechnischen Anlage.
CH02535 2012-11-26

Publications (1)

Publication Number Publication Date
WO2014080355A1 true WO2014080355A1 (fr) 2014-05-30

Family

ID=49955432

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2013/060298 Ceased WO2014080355A1 (fr) 2012-11-26 2013-11-21 Système de réception et de traitement de données provenant d'un test de contamination par frottis

Country Status (3)

Country Link
EP (1) EP2923221A1 (fr)
CH (1) CH707239A2 (fr)
WO (1) WO2014080355A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5468968A (en) * 1991-12-13 1995-11-21 Nuclear Fuel Services, Inc. Air quality monitoring system and process
DE4419503A1 (de) 1994-06-03 1995-12-07 Josef Baumann Gmbh Verfahren und zugehörige Einrichtung zum Aufzeichnen und Anzeigen von kerntechnischen Meßdaten
JPH1138146A (ja) * 1997-07-15 1999-02-12 Fuji Electric Co Ltd スミヤ濾紙ホルダ
US20070285249A1 (en) * 2006-06-06 2007-12-13 Rf Surgical Systems, Inc. Method, apparatus and article for detection of transponder tagged objects, for example during surgery

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5468968A (en) * 1991-12-13 1995-11-21 Nuclear Fuel Services, Inc. Air quality monitoring system and process
DE4419503A1 (de) 1994-06-03 1995-12-07 Josef Baumann Gmbh Verfahren und zugehörige Einrichtung zum Aufzeichnen und Anzeigen von kerntechnischen Meßdaten
JPH1138146A (ja) * 1997-07-15 1999-02-12 Fuji Electric Co Ltd スミヤ濾紙ホルダ
US20070285249A1 (en) * 2006-06-06 2007-12-13 Rf Surgical Systems, Inc. Method, apparatus and article for detection of transponder tagged objects, for example during surgery

Also Published As

Publication number Publication date
EP2923221A1 (fr) 2015-09-30
CH707239A2 (de) 2014-05-30

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