WO2004085985A1 - Lebensdauersensor - Google Patents
Lebensdauersensor Download PDFInfo
- Publication number
- WO2004085985A1 WO2004085985A1 PCT/DE2004/000606 DE2004000606W WO2004085985A1 WO 2004085985 A1 WO2004085985 A1 WO 2004085985A1 DE 2004000606 W DE2004000606 W DE 2004000606W WO 2004085985 A1 WO2004085985 A1 WO 2004085985A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- component
- sleeve
- sensor
- strains
- antenna
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M5/00—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings
- G01M5/0033—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings by determining damage, crack or wear
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/0004—Force transducers adapted for mounting in a bore of the force receiving structure
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/04—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring tension in flexible members, e.g. ropes, cables, wires, threads, belts or bands
- G01L5/10—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring tension in flexible members, e.g. ropes, cables, wires, threads, belts or bands using electrical means
- G01L5/102—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring tension in flexible members, e.g. ropes, cables, wires, threads, belts or bands using electrical means using sensors located at a non-interrupted part of the flexible member
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M5/00—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M5/00—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings
- G01M5/0041—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings by determining deflection or stress
Definitions
- the invention relates to a device for determining the service life of mechanical equipment, a so-called service life sensor.
- the service life of stressed parts is to be recorded and calculated using a sensor with an evaluation unit.
- the recorded values are transmitted to a readout unit via radio excitation.
- the object of the invention is to enable an integrated simple solution for absorbing the existing stresses in the operation of a mechanical device.
- the device according to the invention does not require any cabling, is easy to apply, enables “online” measurements and is not restricted to a specific application.
- the measured values are recorded directly on the component online.
- a complex, downstream measurement technology is no longer required, the recorded values of the component stress are already processed in the integrated microcontroller. Due to the small and compact design, the sensor can be easily attached anywhere. The recorded loads are already processed in the sensor.
- the new lifetime sensor with evaluation / readout station will be significantly cheaper than conventional methods.
- FIG. 1 schematic diagram of the life sensor
- FIG. 2 sensor sketch, cross section of variant A
- FIG. 4 Application of the life sensor on a round steel link chain.
- the principle of the device according to the invention as a life sensor 1 is composed of three units (FIG. 1).
- the lifespan sensor 1 consists of a coupling element in the form of an antenna 2, a processing unit 3 and a sensor 4 which can be attached to, in or on a mechanical component.
- the lifespan sensor 1 works together with a reader 5, which is also equipped with an antenna 6 and an associated application 7 in the form of a data processing system.
- the lifetime sensor 1 has direct contact with the component to be observed and registers the loads on the component.
- the lifetime sensor 1 can be applied to the component to be observed in two design variants.
- the general internal structure of the sleeve 8 is shown in Figures 2 and 3 and does not differ in the two variants.
- the embodiment A of the life sensor 1 is, as shown in Figure 2, constructed as follows: on the inner wall of the sleeve 8, a strain gauge (DMS) or Surface Acoustic Wave Sensor (SAW) 9 - English surface sensor - is attached.
- the sleeve 8 absorbs the stresses in the form of strains.
- the strains of the sleeve 8 are registered with the strain gauge or SAW 9 by means of a measurement pulse from a microcontroller which is applied to a multilayer ceramic module, a low temperature cofired ceramic 10 (LTCC).
- the recorded measured values are not saved individually as absolute values, but are assigned to them on the basis of a division of the nominal load range into classes. This division of the nominal load range is matched to the component connected to the sleeve 8.
- the measured values recorded with the DMS or SAW 9 are processed in the microcontroller by a suitable counting method and stored in its memory.
- the counting method is designed in such a way that, in contrast to other counting methods, medium load fluctuations are taken into account become.
- the component stresses are thus stored as a load spectrum of individual classes in a storage matrix.
- the memory content is read out by radio excitation at any time intervals via the antenna 11.
- the energy supply is ensured by a battery 12.
- the embodiment B of the life sensor 1 is shown in Figure 3.
- the DMS or SAW 9 is applied directly to the component to be observed outside the sleeve 8.
- the component stresses in the form of the component expansions are carried out directly on the component in the embodiment variant B and are not measured via the deformation of the sleeve 8.
- the data transmitted via antenna 11 are recorded and evaluated by a reading device 5.
- This monitoring unit registers possible overstressing and enables the component to be replaced in good time before longer downtimes occur.
- a web with a bore is embedded in the safety component 13 (measuring link) according to DE 100 36 014 A1 of the round steel link chain 14 as an example.
- the lifetime sensor 1 according to variant A is used in this bore.
- the safety components 13 are arranged at certain intervals in the round steel link chain 14.
- the round steel link chain 14 is subjected to tension during operation.
- the tensile forces acting on the chain lead to the web in the measuring element 13 being deformed or compressed.
- This deformation / compression is transmitted to the life sensor 1 and registered with the strain gauge or SAW 9 via the expansion of the sleeve 8.
- the safety component 13 When the safety component 13 is relieved, the web resumes its initial shape and thus deforms the sleeve 8 into its initial state.
- the recorded measured values are evaluated according to the matrix counting method and periodically transmitted to the reading device 5 with every complete chain circulation.
- the determined by the connected application 7 Data allow a statement about the previous component loads and the remaining component life.
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP04722796A EP1606603A1 (de) | 2003-03-27 | 2004-03-24 | Lebensdauersensor |
US11/177,018 US7281434B2 (en) | 2003-03-27 | 2005-07-08 | Service life sensor device |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10313726.2 | 2003-03-27 | ||
DE10313726 | 2003-03-27 | ||
DE10352959.4 | 2003-11-13 | ||
DE10352959A DE10352959A1 (de) | 2003-03-27 | 2003-11-13 | Lebensdauersensor |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/177,018 Continuation-In-Part US7281434B2 (en) | 2003-03-27 | 2005-07-08 | Service life sensor device |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004085985A1 true WO2004085985A1 (de) | 2004-10-07 |
Family
ID=33099292
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE2004/000606 WO2004085985A1 (de) | 2003-03-27 | 2004-03-24 | Lebensdauersensor |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP1606603A1 (de) |
WO (1) | WO2004085985A1 (de) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006070008A1 (de) * | 2004-12-28 | 2006-07-06 | Rieter Ingolstadt Spinnereimaschinenbau Ag | Verfahren zur bestimmung der längenbezogenen masse oder des querschnitts von textilem faserverbund sowie entsprechende vorrichtung |
GB2436220A (en) * | 2006-03-16 | 2007-09-19 | Ncode Internat Ltd | Damage monitoring tag |
FR2923293A1 (fr) * | 2007-11-05 | 2009-05-08 | Karver Soc Par Actions Simplif | Poulie a capteur d'effort integre. |
DE202011000794U1 (de) | 2011-04-04 | 2011-06-09 | RUD Ketten Rieger & Dietz GmbH u. Co. KG, 73432 | Lastaufnahmeteil mit berührungslos auslesbarem Datenträger |
DE102011001787A1 (de) | 2011-04-04 | 2012-10-04 | Rud Ketten Rieger & Dietz Gmbh U. Co. Kg | Lastaufnahmeteil mit berührungslos auslesbarem Datenträger |
DE102017130328A1 (de) | 2017-12-18 | 2019-06-19 | Thiele Gmbh & Co. Kg | Lastaufnahmebauteil für Ketten |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4336595A (en) * | 1977-08-22 | 1982-06-22 | Lockheed Corporation | Structural life computer |
DE3930314A1 (de) * | 1988-09-09 | 1990-03-22 | Nissan Motor | Piezoelektrischer sensor zur ueberwachung einer kinetischen bewegungsgroesse |
US5421204A (en) * | 1993-06-08 | 1995-06-06 | Svaty, Jr.; Karl J. | Structural monitoring system |
DE19504050A1 (de) * | 1995-02-08 | 1996-08-14 | Gutehoffnungshuette Man | Mobile Vorrichtung zum Zählen und Klassifizieren von Lastenzyklen für Tragkonstruktionen mit wechselnden Lastgrößen |
DE19645613A1 (de) * | 1996-03-14 | 1997-09-18 | Herion Werke Kg | Drucksensor und Verfahren zu seiner Herstellung |
DE10036014A1 (de) * | 2000-07-25 | 2002-02-21 | Thiele Gmbh & Co Kg | Sicherheitsbauteil aus Stahl für die Hebe-, Zurr-, Förder- und Gewinnungstechnik |
US6480792B1 (en) * | 1998-10-22 | 2002-11-12 | British Aerospace Public Limited Company | Fatigue monitoring systems and methods incorporating neural networks |
-
2004
- 2004-03-24 EP EP04722796A patent/EP1606603A1/de not_active Withdrawn
- 2004-03-24 WO PCT/DE2004/000606 patent/WO2004085985A1/de active Application Filing
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4336595A (en) * | 1977-08-22 | 1982-06-22 | Lockheed Corporation | Structural life computer |
DE3930314A1 (de) * | 1988-09-09 | 1990-03-22 | Nissan Motor | Piezoelektrischer sensor zur ueberwachung einer kinetischen bewegungsgroesse |
US5421204A (en) * | 1993-06-08 | 1995-06-06 | Svaty, Jr.; Karl J. | Structural monitoring system |
DE19504050A1 (de) * | 1995-02-08 | 1996-08-14 | Gutehoffnungshuette Man | Mobile Vorrichtung zum Zählen und Klassifizieren von Lastenzyklen für Tragkonstruktionen mit wechselnden Lastgrößen |
DE19645613A1 (de) * | 1996-03-14 | 1997-09-18 | Herion Werke Kg | Drucksensor und Verfahren zu seiner Herstellung |
US6480792B1 (en) * | 1998-10-22 | 2002-11-12 | British Aerospace Public Limited Company | Fatigue monitoring systems and methods incorporating neural networks |
DE10036014A1 (de) * | 2000-07-25 | 2002-02-21 | Thiele Gmbh & Co Kg | Sicherheitsbauteil aus Stahl für die Hebe-, Zurr-, Förder- und Gewinnungstechnik |
Non-Patent Citations (1)
Title |
---|
MICHEL J: "DEHNUNGSMESSUNG MIT FUNKABFRAGBAREN OFW-RESONATOREN", TECHNISCHES MESSEN TM, R.OLDENBOURG VERLAG. MUNCHEN, DE, vol. 62, no. 9, 1 September 1995 (1995-09-01), pages 342 - 345, XP000527993, ISSN: 0171-8096 * |
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006070008A1 (de) * | 2004-12-28 | 2006-07-06 | Rieter Ingolstadt Spinnereimaschinenbau Ag | Verfahren zur bestimmung der längenbezogenen masse oder des querschnitts von textilem faserverbund sowie entsprechende vorrichtung |
GB2436220A (en) * | 2006-03-16 | 2007-09-19 | Ncode Internat Ltd | Damage monitoring tag |
GB2436220B (en) * | 2006-03-16 | 2009-08-12 | Ncode Internat Ltd | Damage dosing monitoring system |
FR2923293A1 (fr) * | 2007-11-05 | 2009-05-08 | Karver Soc Par Actions Simplif | Poulie a capteur d'effort integre. |
DE202011000794U1 (de) | 2011-04-04 | 2011-06-09 | RUD Ketten Rieger & Dietz GmbH u. Co. KG, 73432 | Lastaufnahmeteil mit berührungslos auslesbarem Datenträger |
DE102011001787A1 (de) | 2011-04-04 | 2012-10-04 | Rud Ketten Rieger & Dietz Gmbh U. Co. Kg | Lastaufnahmeteil mit berührungslos auslesbarem Datenträger |
EP2508461A1 (de) | 2011-04-04 | 2012-10-10 | RUD Ketten Rieger & Dietz GmbH u. Co. KG | Lastaufnahmeteil mit berührungslos auslesbarem Datenträger |
CN102734387A (zh) * | 2011-04-04 | 2012-10-17 | 路德-李格和蒂茨链条有限公司 | 具有非接触式可读数据载体的负载处理部件 |
AU2012201799B2 (en) * | 2011-04-04 | 2016-09-22 | Rud Ketten Rieger & Dietz Gmbh U. Co. Kg | Load handling part with contactlessly readable data carrier |
DE102017130328A1 (de) | 2017-12-18 | 2019-06-19 | Thiele Gmbh & Co. Kg | Lastaufnahmebauteil für Ketten |
WO2019120359A1 (de) | 2017-12-18 | 2019-06-27 | Thiele Gmbh & Co. Kg | Lastaufnahmebauteil für ketten |
DE102017130328B4 (de) | 2017-12-18 | 2019-10-10 | Thiele Gmbh & Co. Kg | Lastaufnahmebauteil für Ketten |
Also Published As
Publication number | Publication date |
---|---|
EP1606603A1 (de) | 2005-12-21 |
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