DE102012111958A1 - Device for material testing with ultrasonic transducer element for testing sample, has housing formed as U-shaped with two brackets and base connected to brackets, where ultrasonic transducer elements are formed to inner sides of brackets - Google Patents
Device for material testing with ultrasonic transducer element for testing sample, has housing formed as U-shaped with two brackets and base connected to brackets, where ultrasonic transducer elements are formed to inner sides of brackets Download PDFInfo
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- DE102012111958A1 DE102012111958A1 DE201210111958 DE102012111958A DE102012111958A1 DE 102012111958 A1 DE102012111958 A1 DE 102012111958A1 DE 201210111958 DE201210111958 DE 201210111958 DE 102012111958 A DE102012111958 A DE 102012111958A DE 102012111958 A1 DE102012111958 A1 DE 102012111958A1
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- housing
- transducer elements
- ultrasonic transducer
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/04—Analysing solids
- G01N29/043—Analysing solids in the interior, e.g. by shear waves
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/08—Clinical applications
- A61B8/0875—Clinical applications for diagnosis of bone
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/12—Diagnosis using ultrasonic, sonic or infrasonic waves in body cavities or body tracts, e.g. by using catheters
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/44—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device
- A61B8/4444—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device related to the probe
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C19/00—Dental auxiliary appliances
- A61C19/04—Measuring instruments specially adapted for dentistry
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/22—Details, e.g. general constructional or apparatus details
- G01N29/223—Supports, positioning or alignment in fixed situation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/22—Details, e.g. general constructional or apparatus details
- G01N29/28—Details, e.g. general constructional or apparatus details providing acoustic coupling, e.g. water
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/42—Details of probe positioning or probe attachment to the patient
- A61B8/4272—Details of probe positioning or probe attachment to the patient involving the acoustic interface between the transducer and the tissue
- A61B8/4281—Details of probe positioning or probe attachment to the patient involving the acoustic interface between the transducer and the tissue characterised by sound-transmitting media or devices for coupling the transducer to the tissue
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/10—Number of transducers
- G01N2291/106—Number of transducers one or more transducer arrays
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
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- General Health & Medical Sciences (AREA)
- Pathology (AREA)
- Veterinary Medicine (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Biophysics (AREA)
- Animal Behavior & Ethology (AREA)
- Public Health (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Medical Informatics (AREA)
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- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Surgery (AREA)
- Molecular Biology (AREA)
- Heart & Thoracic Surgery (AREA)
- Radiology & Medical Imaging (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Rheumatology (AREA)
- Epidemiology (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Dentistry (AREA)
- Acoustics & Sound (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
Die Erfindung bezieht sich auf eine Vorrichtung zur Materialprüfung mit innerhalb des Gehäuses eines Schwingerkopfes angeordneten Ultraschallwandlerelementen zur Prüfung von Probekörpern. Um eine blasenfreie Überbrückung der Distanz zwischen dem Schwingerkopf und dem Probekörper durch ein Koppelgel zu erreichen, ist das Gehäuse (4) U-förmig mit zwei Schenkeln (5, 6) und einer diese verbindenden Basis (7) und auf den Innenseiten der Schenkel (5, 6) mit einer Mehrzahl von Ultraschallwandlerelementen und diesen zugeordnet einer Mehrzahl von Austrittsöffnungen (16) zur Zuführung eines Koppelgels in den Zwischenraum (14, 15) zwischen den Ultraschallwandlerelementen und einem in das Gehäuse (4) eingebrachten Probekörper (3) ausgebildet.The invention relates to a device for material testing with ultrasonic transducer elements arranged within the housing of a transducer head for testing specimens. In order to achieve a bubble-free bridging of the distance between the transducer head and the specimen using a coupling gel, the housing (4) is U-shaped with two legs (5, 6) and a connecting base (7) and on the inside of the legs ( 5, 6) with a plurality of ultrasonic transducer elements and a plurality of outlet openings (16) assigned to them for feeding a coupling gel into the space (14, 15) between the ultrasonic transducer elements and a sample body (3) introduced into the housing (4).
Description
Die Erfindung bezieht sich auf eine Vorrichtung zur Materialprüfung mit innerhalb des Gehäuses eines Schwingerkopfes angeordneten Ultraschallwandlerelementen zur Prüfung von in den Schwingerkopf eingebrachten Probekörpern.The invention relates to a device for material testing with arranged within the housing of a vibrator head ultrasonic transducer elements for testing introduced into the vibrator head specimens.
Die Erfindung findet insbesondere Anwendung als zahnmedizinisches Diagnosegerät, wobei aufgrund der verwendeten Ultraschallwandlerelemente das grundlegende Problem der Strahlenbelastung bei der zahnärztlichen Röntgendiagnostik vermieden ist. Es wird hierzu auf die
Die Erfindung findet ferner Anwendung bei der zerstörungsfreien Prüfung von erhabenen Strukturen der Probekörper mittels Ultraschallwandlerelementen, insbesondere von Schraub- oder Nietköpfen oder von lang gestreckten oder umlaufenden Bauelementen, wie z. B. Ketten, Riemen, Kabel, Schläuche, Seile, Drähte u. dgl.. The invention also finds application in the non-destructive testing of raised structures of specimens by means of ultrasonic transducer elements, in particular of screw or rivet heads or of elongate or circulating components, such. As chains, belts, cables, hoses, cables, wires u. etc. ..
Weitere bekannte Vorrichtungen zur Materialprüfung mittels Ultraschallwandlerelementen erlauben zwar die zerstörungsfreie und strahlungsfreie Materialanalyse mittels Ultraschallreflexions- und Ultraschalltransmissionsmessungen, erfordern aber eine blasenfreie Überbrückung der Distanz zwischen dem Prüfkopf der Vorrichtung und dem Probekörper durch ein Fluid oder ein Koppelgel. Diese Überbrückung wird mit den bisher bekannten, meist planaren Vorrichtungen zur Materialprüfung, insbesondere bei unregelmäßig geformten Probekörpern, nicht oder nur unvollkommen bzw. nur unzuverlässig erreicht.Although other known devices for material testing by means of ultrasonic transducer elements allow non-destructive and radiation-free material analysis by means of ultrasonic reflection and ultrasonic transmission measurements, but require a bubble-free bridging the distance between the probe of the device and the specimen by a fluid or a coupling gel. This bridging is achieved with the previously known, mostly planar devices for material testing, especially for irregularly shaped specimens, not or only imperfectly or only unreliably.
Der Erfindung liegt von daher die Aufgabe zugrunde, eine Vorrichtung der gattungsgemäßen Art zur Materialprüfung mittels Ultraschallwandlerelementen zu schaffen, bei der diese Nachteile vermieden sind.The invention is therefore an object of the invention to provide a device of the generic type for material testing by means of ultrasonic transducer elements, in which these disadvantages are avoided.
Zur Lösung dieser Aufgabe sieht die Erfindung vor, dass das Gehäuse des Schwingerkopfes U-förmig mit zwei Schenkeln und einer diese verbindenden Basis ausgebildet ist und dass auf den Innenseiten der beiden Schenkel eine Mehrzahl von Ultraschallwandlerelementen und diesen zugeordnet eine Mehrzahl von Austrittsöffnungen zur Zuführung eines Fluids, insbesondere eines Koppelgels, in den Innenraum des Gehäuses, insbesondere in den Zwischenraum zwischen den Ultraschallwandlerelementen und einem in das Gehäuse des Schwingerkopfes eingebrachten Probekörper ausgebildet ist.To achieve this object, the invention provides that the housing of the vibrator head is U-shaped with two legs and a base connecting them and that on the inner sides of the two legs a plurality of ultrasonic transducer elements and these associated with a plurality of outlet openings for supplying a fluid , In particular a coupling gel, is formed in the interior of the housing, in particular in the intermediate space between the ultrasonic transducer elements and a introduced into the housing of the vibrator head specimen.
Mit der erfindungsgemäßen Vorrichtung zur Materialprüfung von Probekörpern mittels Ultraschallwandlerelementen können Ultraschallprüfverfahren auch bei stark unregelmäßig geformten Probekörpern und stark den Ultraschall dämpfenden Prüfmaterialien angewandt werden, da durch die Kombination der besonderen Formgebung und Anordnung der Ultraschallwandlerelemente und den Austrittsöffnungen für das von außen zugeführte Koppelgel eine blasenfreie Überbrückung der Distanz zwischen Schwingerkopf und Probekörper erreicht wird. With the device according to the invention for material testing of specimens by means of ultrasonic transducer elements ultrasonic testing can be applied even with strongly irregularly shaped specimens and strong ultrasonic attenuating test materials, as by the combination of the special shape and arrangement of the ultrasonic transducer elements and the outlet openings for the externally supplied coupling gel bubble-free bridging the distance between the vibrator head and the specimen is achieved.
Mit der beidseitig gegenüberliegenden Anordnung der Ultraschallwandlerelemente bildet die erfindungsgemäße Vorrichtung eine Ultraschallwandlervorrichtung zur mehrseitigen Prüfung unregelmäßiger Materialstrukturen von Probekörpern mit aktiver Zuführung des Koppelgels. Durch die besondere Formgebung und durch eine permanente Zuführung des Fluids bzw. Koppelgels bedarf es keiner besonderen Präparation der Probekörper. Der Prüfkopf in Form des Schwingerkopfes kann i. d. R. direkt auf den gegebenenfalls eingebauten Prüf- bzw. Probekörper aufgebracht werden. With the arrangement of the ultrasonic transducer elements on both sides, the device according to the invention forms an ultrasonic transducer device for multi-sided testing of irregular material structures of test specimens with active feeding of the coupling gel. Due to the special shape and by a permanent supply of the fluid or coupling gel, there is no need for special preparation of the sample. The test head in the form of the vibrator head can i. d. R. be applied directly to the optionally installed test or specimen.
In weiterer Ausbildung der Erfindung ist auf der Unterseite der Basis des U-förmigen Gehäuses eine Mehrzahl weiterer Austrittsöffnungen für das Fluid bzw. Koppelgel angeordnet. In a further embodiment of the invention, a plurality of further outlet openings for the fluid or coupling gel is arranged on the underside of the base of the U-shaped housing.
In noch weiterer Ausbildung der Erfindung sind die Ultraschallwandlerelemente als piezoelektrische Wandlereleemte ausgebildet und als piezoelektische Arrays angeordnet. Die piezoelektrischen Wandlerelemente können in den Arrayanordnungen mechanisch sowohl horizontal als auch vertikal schwenkbar angeordnet sein.In yet another embodiment of the invention, the ultrasonic transducer elements are designed as piezoelectric Wandlereleemte and arranged as a piezoelectric arrays. The piezoelectric transducer elements can be arranged mechanically pivotable both horizontally and vertically in the array arrangements.
Besonders hervorzuheben ist die geometrische Anordnung der piezoelektrischen Wandlerelemente auf den aus den Ultraschallwandlerelementen gebildeten Wandlerflächen in Kombination mit der permanenten, von einer Druckpumpe getriebenen Zuführung des Koppelgels über die Austrittsöffnungen direkt in den Zwischenraum zwischen den Ultraschallwandlerelementen und dem mindestens einen Probekörper. Dadurch wird eine verbesserte Materialanalyse durch eine zuverlässige, blasenfreie Koppelgelfüllung zwischen den Ultraschallwandlerelementen und auch völlig irregulären Probekörpern sowie durch die Möglichkeit der Kombination von Reflexions- und Transmissionsmessungen ermöglicht. Particularly noteworthy is the geometric arrangement of the piezoelectric transducer elements on the transducer surfaces formed from the ultrasonic transducer elements in combination with the permanent, driven by a pressure pump feeding the coupling gel via the outlet openings directly into the space between the ultrasonic transducer elements and the at least one specimen. As a result, an improved material analysis by a reliable, bubble-free coupling gel filling between the ultrasonic transducer elements and completely irregular specimens and by the possibility of combining reflection and transmission measurements is possible.
In noch weiterer Ausbildung der Erfindung weist das Gehäuse des Schwingerkopfes eine Trägerstruktur auf und zur Zuführung des Fluids bzw. Koppelgels sind in der Trägerstruktur zu den Austrittsöffnungen geführte Schlauchverbindungen und eine mit diesen vebundene Druckpumpe mit einem Reservoir für das Fluid bzw. das Koppelgel angeordnet. Dabei sind das Reservoir und die Druckpumpe in der Basis des U-förmigen Gehäuses des Schwingerkopfes oder innerhalb eines der Basis des U-förmigen Gehäuses zugeordneten Handgriffes angeordnet. Der Schwingerkopf kann mit dem Handgriff über ein arretierbares Kugelgelenk verbunden sein.In yet another embodiment of the invention, the housing of the vibrator head on a support structure and for supplying the fluid or Coupling gels are arranged in the support structure to the outlet openings guided hose connections and a vebundene with these pressure pump with a reservoir for the fluid or the coupling gel. In this case, the reservoir and the pressure pump in the base of the U-shaped housing of the vibrator head or within a base of the U-shaped housing associated handle are arranged. The vibrator head can be connected to the handle via a lockable ball joint.
Die Erfindung ist nachfolgend anhand einer in den Zeichnungen näher dargestellten Vorrichtung zur Materialprüfung mittels Ultraschallwandlerelementen näher erläutert. The invention is explained in more detail below with reference to a device for material testing by means of ultrasonic transducer elements, which is illustrated in greater detail in the drawings.
Es zeigt:It shows:
Die
Das aus einer Trägerstruktur gebildete Gehäuse
Oberhalb und unterhalb der Arrays
Die Untersichten des Schwingerkopfes
Die Untersichten gemäß
Das über den Kanal
Die insbesondere in der
Bezugszeichenliste LIST OF REFERENCE NUMBERS
- 11
- Schwingerkopf Schwinger head
- 22
- Handgriff handle
- 33
- Probekörper specimens
- 44
- Gehäuse casing
- 55
- Schenkel leg
- 66
- Schenkel leg
- 77
- Basis Base
- 88th
- piezoelektrisches Wandlerelement piezoelectric transducer element
- 99
- piezoelektrisches Wandlerelement piezoelectric transducer element
- 1010
- Array array
- 1111
- Array array
- 1212
- elektrische Zuleitung Electrical supply
- 1313
- Kanal channel
- 1414
- Zwischenraum gap
- 1515
- Zwischenraum gap
- 1616
- Austrittsöffnung outlet opening
- 1717
- Austrittsöffnung outlet opening
- 1818
- Innenraum inner space
- 1919
- Kanal channel
ZITATE ENTHALTEN IN DER BESCHREIBUNG QUOTES INCLUDE IN THE DESCRIPTION
Diese Liste der vom Anmelder aufgeführten Dokumente wurde automatisiert erzeugt und ist ausschließlich zur besseren Information des Lesers aufgenommen. Die Liste ist nicht Bestandteil der deutschen Patent- bzw. Gebrauchsmusteranmeldung. Das DPMA übernimmt keinerlei Haftung für etwaige Fehler oder Auslassungen.This list of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.
Zitierte PatentliteraturCited patent literature
- DE 102010040832 B4 [0002] DE 102010040832 B4 [0002]
Claims (9)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE201210111958 DE102012111958A1 (en) | 2012-12-07 | 2012-12-07 | Device for material testing with ultrasonic transducer element for testing sample, has housing formed as U-shaped with two brackets and base connected to brackets, where ultrasonic transducer elements are formed to inner sides of brackets |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE201210111958 DE102012111958A1 (en) | 2012-12-07 | 2012-12-07 | Device for material testing with ultrasonic transducer element for testing sample, has housing formed as U-shaped with two brackets and base connected to brackets, where ultrasonic transducer elements are formed to inner sides of brackets |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE102012111958A1 true DE102012111958A1 (en) | 2014-06-12 |
Family
ID=50777876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE201210111958 Withdrawn DE102012111958A1 (en) | 2012-12-07 | 2012-12-07 | Device for material testing with ultrasonic transducer element for testing sample, has housing formed as U-shaped with two brackets and base connected to brackets, where ultrasonic transducer elements are formed to inner sides of brackets |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE102012111958A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102014102367A1 (en) * | 2014-02-24 | 2015-08-27 | Universität Rostock | Device and method for cavity detection |
| WO2019207126A1 (en) * | 2018-04-27 | 2019-10-31 | Dentacon Gmbh | Drive unit with oscillating element |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE964731C (en) * | 1949-06-03 | 1957-05-29 | Andreas Manetstoetter | Ultrasonic emitter with a device for introducing a coupling substance into the sound field |
| US4637256A (en) * | 1983-06-23 | 1987-01-20 | Matsushita Electric Industrial Co., Ltd. | Ultrasonic probe having dual-motion transducer |
| US6638219B1 (en) * | 2001-01-11 | 2003-10-28 | Asch-Klaassen Sonics, Inc. | Method of mapping internal 3-D structure of dental formations |
| DE202007008008U1 (en) * | 2006-06-06 | 2007-10-31 | Sirona Dental Systems Gmbh | Device for tomography for tissue examinations of body parts |
| DE102010040832B4 (en) | 2010-09-15 | 2012-09-13 | S&N Systemhaus für Netzwerk- und Datentechnik GmbH | Dental diagnostic device |
-
2012
- 2012-12-07 DE DE201210111958 patent/DE102012111958A1/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE964731C (en) * | 1949-06-03 | 1957-05-29 | Andreas Manetstoetter | Ultrasonic emitter with a device for introducing a coupling substance into the sound field |
| US4637256A (en) * | 1983-06-23 | 1987-01-20 | Matsushita Electric Industrial Co., Ltd. | Ultrasonic probe having dual-motion transducer |
| US6638219B1 (en) * | 2001-01-11 | 2003-10-28 | Asch-Klaassen Sonics, Inc. | Method of mapping internal 3-D structure of dental formations |
| DE202007008008U1 (en) * | 2006-06-06 | 2007-10-31 | Sirona Dental Systems Gmbh | Device for tomography for tissue examinations of body parts |
| DE102010040832B4 (en) | 2010-09-15 | 2012-09-13 | S&N Systemhaus für Netzwerk- und Datentechnik GmbH | Dental diagnostic device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102014102367A1 (en) * | 2014-02-24 | 2015-08-27 | Universität Rostock | Device and method for cavity detection |
| WO2019207126A1 (en) * | 2018-04-27 | 2019-10-31 | Dentacon Gmbh | Drive unit with oscillating element |
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| R086 | Non-binding declaration of licensing interest | ||
| R016 | Response to examination communication | ||
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