WO2016078843A1 - Pièce mécanique comportant un capteur de force - Google Patents
Pièce mécanique comportant un capteur de force Download PDFInfo
- Publication number
- WO2016078843A1 WO2016078843A1 PCT/EP2015/074083 EP2015074083W WO2016078843A1 WO 2016078843 A1 WO2016078843 A1 WO 2016078843A1 EP 2015074083 W EP2015074083 W EP 2015074083W WO 2016078843 A1 WO2016078843 A1 WO 2016078843A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- force sensor
- intermediate element
- component
- mechanical component
- component according
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/26—Auxiliary measures taken, or devices used, in connection with the measurement of force, e.g. for preventing influence of transverse components of force, for preventing overload
-
- 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
Definitions
- the invention relates to a mechanical component for a vehicle, comprising a measuring range having a surface and at least one force sensor assigned to the measuring range for detecting a force which stresses the component.
- Mechanical component in a preferred embodiment as a pendulum support and the force sensor is designed as a flexurally elastic deformation element, which is positively connected within a measuring range with the pendulum support.
- the deformation element acts as an amplifier of a mechanical
- the mechanical change of the deformation element which is made of a magnetic material, is accompanied by a change in the magnetic field, which can be measured and converted into electrical signals.
- the deformation of the deformation element is detected by a suitable sensor, preferably by performing a magnetic field measurement.
- the force sensor by means of a
- the arranged in the measuring range of the component intermediate element has two main functions, namely, first, a carrier function by acting as a support for the force sensor or the sensitive element of the force sensor is used, and secondly a
- Transfer function by acting as a transmission element and transmits the occurring on the surface of the component due to loads deformations on the sensitive element of the force sensor.
- the intermediate element is thus coupled in the force flow direction with the component, d. H. Deformations which occur in the surface of the component are transmitted directly to the intermediate element and from there to the sensitive element.
- the advantage here is that the force sensor or the sensitive element can be prefabricated as a unit with the intermediate element and then connected to the component.
- the intermediate element is non-positively or materially connected to the component.
- the advantage here is that the surface of the component does not need to be additionally processed, causing its functionality or strength
- the intermediate element preferably at its ends, by means of clamping or clamping elements,
- a riveted joint between the component and intermediate element is also conceivable.
- An alternative cohesive attachment can be done by gluing.
- the force sensor is mounted on the intermediate element, preferably in a positive, positive or cohesive manner.
- the force sensor can, depending on the design, for example, by a suitable
- Adhesive methods are applied to the intermediate element, this being
- the Force sensor can be connected by means of a welded connection or by positive elements with the intermediate element.
- the force sensor is arranged within a housing which is fastened to the intermediate element.
- the force sensor is encapsulated, d. H. protected from the outside and shielded, so that its functionality can not be affected by external influences.
- the housing with the intermediate element can also be manufactured as a separate prefabricated unit and connected to the component.
- the force sensor is as
- the force sensor comprises a sensitive element, also called a sensor element, of carbon nanotubes (CNT), which are applied to the surface of the intermediate element as a layer, preferably in the form of a lacquer bonding the CNT.
- CNT carbon nanotubes
- the force sensor is as
- the piezoresistive layer is applied to the intermediate element.
- the piezoresistive layer is applied to a metal plate, which can be fixed via a welded connection on the intermediate element.
- the sole FIGURE shows a module 1 of a force sensor 4, called sensor module 1 for short, which is represented by a dashed rectangular frame
- the sensor module 1 is mounted on a mechanical component 2, which may be rod-shaped or cylindrical.
- the sensor element 1 comprises an intermediate element 3, a sensitive element 4 of a force sensor, also called force sensor 4 for short, and a housing 5, which is fastened on the intermediate element 3 and encapsulates the sensitive element 4 to the outside.
- the sensitive element 4, which can be arranged on a plate, not shown, is positively over two
- the intermediate element 3 is clamped by two clamping bands 7, 8 with the surface 2 a of the component 2.
- clamping bands 7, 8, between which lies the measuring range, between the intermediate element 3 and the surface 2a of the component 2 a frictional connection is made, which is a slip-free transmission of expansions of the component 2 on the
- the sensor module 1, comprising the intermediate element 3, the force sensor 4 and the housing 5, can be manufactured as a prefabricated structural unit and subsequently assembled with the component 2.
- z. B. strain gauges in question.
- carbon nanotubes as a sensitive element, as in the same time application filed by the applicant with the internal file reference ZF 006408.
- the measurement via the sensitive element 4 can be made inductively, resistively, optically, magnetostrictively, capacitively, piezoelectrically or magnetoresistively.
- a preferred embodiment of a mechanical component is a
- Pendulum support which is rod-shaped and part of a roll stabilization system of a vehicle. With the sensor module, which is mounted according to the invention on the pendulum support, the support force can be measured.
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
L'invention concerne une pièce (2) mécanique pour un véhicule, laquelle comprend une zone de mesure présentant une surface et un capteur de force (4) associé à ladite zone de mesure pour détecter une force sollicitant ladite pièce (2), le capteur de force (4) étant fixé sur la surface (2a) de la pièce (2) au moyen d'un élément intermédiaire (3).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102014223656.8A DE102014223656A1 (de) | 2014-11-20 | 2014-11-20 | Mechanisches Bauteil mit Kraftsensor |
DE102014223656.8 | 2014-11-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2016078843A1 true WO2016078843A1 (fr) | 2016-05-26 |
Family
ID=54329535
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2015/074083 WO2016078843A1 (fr) | 2014-11-20 | 2015-10-19 | Pièce mécanique comportant un capteur de force |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE102014223656A1 (fr) |
WO (1) | WO2016078843A1 (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102023201902A1 (de) | 2023-03-02 | 2024-09-05 | Zf Friedrichshafen Ag | Fahrwerkbauteil mit einem Kraftübertragungskörper |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4227586A1 (de) * | 1992-08-20 | 1994-02-24 | Werner Wolfrum | Ergometer |
WO1999041565A1 (fr) * | 1998-02-16 | 1999-08-19 | Multidyn - Newtech | Capteur d'extensiometrie destine a mesurer des deformations a calage mecanique de premiere pose et calibrage automatique en fonction de ce calage |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56111269A (en) * | 1980-02-08 | 1981-09-02 | Hitachi Ltd | Joining method for semiconductor strain detector to strain-generating metal |
DE19653427A1 (de) * | 1996-12-20 | 1998-07-02 | Siemens Ag | Kraftsensor |
WO2012038720A1 (fr) * | 2010-09-20 | 2012-03-29 | Bae Systems Plc | Surveillance d'un état structurel au moyen de formulations de peinture pulvérisable |
JP5924725B2 (ja) * | 2011-11-14 | 2016-05-25 | ヤマハ株式会社 | 歪みセンサ及び歪みセンサの製造方法 |
DE102013213672A1 (de) * | 2013-07-12 | 2015-01-15 | Lemförder Electronic GmbH | Mechanisches Bauteil und Verfahren zum Bestimmen einer auf ein mechanisches Bauteil einwirkenden Beanspruchungskraft |
-
2014
- 2014-11-20 DE DE102014223656.8A patent/DE102014223656A1/de not_active Withdrawn
-
2015
- 2015-10-19 WO PCT/EP2015/074083 patent/WO2016078843A1/fr active Application Filing
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4227586A1 (de) * | 1992-08-20 | 1994-02-24 | Werner Wolfrum | Ergometer |
WO1999041565A1 (fr) * | 1998-02-16 | 1999-08-19 | Multidyn - Newtech | Capteur d'extensiometrie destine a mesurer des deformations a calage mecanique de premiere pose et calibrage automatique en fonction de ce calage |
Also Published As
Publication number | Publication date |
---|---|
DE102014223656A1 (de) | 2016-05-25 |
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