WO2007134891A1 - Dispositif pour convertir l'énergie mécanique en énergie utile électrique à l'aide d'un élement piézoélectrique - Google Patents

Dispositif pour convertir l'énergie mécanique en énergie utile électrique à l'aide d'un élement piézoélectrique Download PDF

Info

Publication number
WO2007134891A1
WO2007134891A1 PCT/EP2007/052433 EP2007052433W WO2007134891A1 WO 2007134891 A1 WO2007134891 A1 WO 2007134891A1 EP 2007052433 W EP2007052433 W EP 2007052433W WO 2007134891 A1 WO2007134891 A1 WO 2007134891A1
Authority
WO
WIPO (PCT)
Prior art keywords
longitudinal side
fixed
counter
mass
piezo
Prior art date
Application number
PCT/EP2007/052433
Other languages
German (de)
English (en)
Inventor
Thomas Haas
Franz Hillenmayer
Original Assignee
Siemens Aktiengesellschaft
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 Siemens Aktiengesellschaft filed Critical Siemens Aktiengesellschaft
Publication of WO2007134891A1 publication Critical patent/WO2007134891A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
    • H02N2/00—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
    • H02N2/18—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing electrical output from mechanical input, e.g. generators
    • H02N2/186—Vibration harvesters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C23/00—Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
    • B60C23/02—Signalling devices actuated by tyre pressure
    • B60C23/04—Signalling devices actuated by tyre pressure mounted on the wheel or tyre
    • B60C23/0408—Signalling devices actuated by tyre pressure mounted on the wheel or tyre transmitting the signals by non-mechanical means from the wheel or tyre to a vehicle body mounted receiver
    • B60C23/041—Means for supplying power to the signal- transmitting means on the wheel
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N30/00—Piezoelectric or electrostrictive devices
    • H10N30/30—Piezoelectric or electrostrictive devices with mechanical input and electrical output, e.g. functioning as generators or sensors
    • H10N30/304—Beam type
    • H10N30/306—Cantilevers

Definitions

  • the invention relates to a device for converting mechanical energy into useful electrical energy by means of egg ⁇ nes piezoelectric element according to the features of the preamble of claim 1.
  • a device for converting mechanical energy into electrical energy with a piezoelectric transducer is known.
  • the piezoelectric transducer is arranged with a geometric end in an oscillatable mass-spring system in a holder such that the other geometric
  • the disadvantage here is that the bias leads to losses in the conversion of mechanical energy into electrical energy, since due to the bias no longer the material-related complete deflection is used for conversion.
  • Devices have no bias will carry the disadvantage that small displacements of the order of 10 .mu.m-500 .mu.m a mechanical drive is no longer on the piezo element on ⁇ , since the tolerance is already greater at the interface Actuators piezo.
  • the present invention therefore has for its object to realize a device for the mechanical-electrical energy conversion, the optimized use of the maxima len mechanical displacement of a piezoelectric transducer provides slightest ⁇ tet.
  • This object is achieved by a device with the features of claim 1.
  • Advantageous embodiments and developments, which can be used individually or in combination with each other, are the subject of the dependent claims.
  • An angled sheet metal part comprises two longitudinal sides wherein the first longitudinal side of the sheet metal part is fixed by means of a mechanical coupling element to the fixed construction ⁇ part and on the second longitudinal side of the piezoelectric element is fixed and connected by a connected to the free end of the second longitudinal side counter element with a permanently mounted mechanical damping element is connected.
  • the end piece of the second longitudinal side is connected via a rod or a similarly rigid connection element or directly to the mass element acting Ge ⁇ genelements.
  • the solid component is designed as a wheel unit of a tire pressure measuring system, as a printed circuit board, as a housing, as an antenna or the like.
  • the first longitudinal side comprises a compensation system which compensates for tolerances.
  • the compensation system comprises a mechanical Koppele ⁇ ment, which is designed as a slip clutch.
  • the first longitudinal side of the sheet metal part near the angle or in the angular range on a taper in width.
  • the damping element comprises at least one element which constitutes a pendulum arm.
  • the damping element (8) comprises at least one element which represents a course of a trajectory ⁇ or realizes a relative movement between the mass (7) and the fixed element (12).
  • the damping element comprises a leaf spring or an element which reflects a trajectory or a pendulum.
  • the device for energy conversion comprises a spring arrangement via which the coupling strength between the first longitudinal side of the sheet and the fixed component is adjustable.
  • Fig. 2 shows another device for mechanical electrical energy conversion.
  • Fig. 1 shows an apparatus for mechanical-electrical e- nergieumwandlung.
  • the device has an approximately angled-angled sheet metal 3 with two longitudinal sides 1, 2, wherein the first longitudinal side 1 of the sheet by means of a slip clutch 4 is fixed to a stationary component 5 and on the second longitudinal side 2, a piezoelectric element 6 is fixed.
  • the tail of the second longitudinal side 2 is with a mass. 7 connected to a fixedly mounted mechanical damping element 8, which is mounted on a fixed element 12.
  • the tail of the second longitudinal side 2 may be connected via a rod 9 or directly to the mass 7.
  • the damping element 8 is formed as a leaf spring. Due to the rigid connection of the piezoelectric element 6 with the mass 7, the deflection of the mass 7 is transmitted via the leaf spring to the piezoelectric element. A large force acting on the piezo element 6 is limited by the slip clutch 4.
  • Fig. 2 shows another device for mechanical-electrical energy conversion.
  • the device also has an approximately angled angled sheet metal 3 with two longitudinal sides 1, 2, wherein the first longitudinal side 1 of the sheet is fixed by a slip clutch 4 to a fixed component 5 and on the second longitudinal side 2, a piezoelectric element 6 is fixed.
  • the tail of the second longitudinal side 2 is connected to a mass 7.
  • the second longitudinal side 2 has an angle near the angle or a taper 10 in the
  • the device has ei ⁇ ne spring assembly 11, with the coupling strength or the coefficient of friction between the first longitudinal side 1 of the sheet and the solid component 5 is set.
  • the taper 10 causes a possible large deflection of the Piezoele ⁇ ment is cushioned by the reduction in the flexural rigidity at the tapering point 10 and tolerances in the direction of a biasing force by the spring assembly 11 are almost compensated. In addition, this results in an optimum introduction of force into the piezo element, similar to a cantilevered cantilever.
  • the present invention is particularly suitable for the Ener ⁇ giemers for tire pressure systems for motor vehicles.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)

Abstract

L'invention concerne un dispositif pour convertir l'énergie mécanique en énergie utile électrique, utilisant un élément piézoélectrique (6) disposé entre un composant fixe (5) et un élément conjugué (7) et fixé sur un élément de support. L'élément de support, en forme de partie de tôle coudée (3), comprend deux côtés longitudinaux (1, 2), le premier côté longitudinal (1) de la partie de tôle étant fixé au moyen d'un élément d'accouplement mécanique (4) au composant fixe (5) et l'élément piézoélectrique (6) étant fixé sur le deuxième côté longitudinal (2). A l'extrémité libre du deuxième côté longitudinal (2) est connecté un élément conjugué (7) qui est accouplé à un élément d'amortissement mécanique (8) monté fixement. La présente invention est particulièrement appropriée pour l'alimentation en énergie de systèmes de pression de pneumatiques pour véhicules automobiles.
PCT/EP2007/052433 2006-05-22 2007-03-15 Dispositif pour convertir l'énergie mécanique en énergie utile électrique à l'aide d'un élement piézoélectrique WO2007134891A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006024003A DE102006024003A1 (de) 2006-05-22 2006-05-22 Vorrichtung zur Umwandlung von mechanischer Energie in elektrische Nutzenergie mit Hilfe eines Piezo-Elements
DE102006024003.0 2006-05-22

Publications (1)

Publication Number Publication Date
WO2007134891A1 true WO2007134891A1 (fr) 2007-11-29

Family

ID=38169488

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2007/052433 WO2007134891A1 (fr) 2006-05-22 2007-03-15 Dispositif pour convertir l'énergie mécanique en énergie utile électrique à l'aide d'un élement piézoélectrique

Country Status (2)

Country Link
DE (1) DE102006024003A1 (fr)
WO (1) WO2007134891A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150135869A1 (en) * 2012-05-25 2015-05-21 Cambridge Enterprise Limited Energy-harvesting apparatus and method

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008013782A1 (de) * 2008-03-12 2009-06-25 Robert Bosch Gmbh Piezoelektrischer Biegewandler
DE102008029374A1 (de) * 2008-06-20 2010-01-07 Siemens Aktiengesellschaft Vorrichtung zur Erzeugung elektrischer Energie aus mechanischen Vibrationen verschiedenster Amplituden und Frequenzen mittels Piezoaktoren
FR2951594B1 (fr) * 2009-10-15 2011-10-28 Inst Nat Sciences Appliq Dispositif de conversion d'energie mecanique vibratoire en energie electrique
DE202010016546U1 (de) * 2010-12-14 2012-03-16 P3 Digital Services Gmbh Mobiler Frachtbehälter mit zuverlässiger Energieversorgung

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09211151A (ja) * 1996-01-30 1997-08-15 Seiko Epson Corp 発電装置、携帯型機器および圧電体の製造方法
DE10226627A1 (de) * 2001-06-15 2002-12-19 Legrand Limoges Verwendung eines piezoaktiven Organs sowie eine Vorrichtung und ein System, die dieses aufweisen
JP2005057982A (ja) * 2003-08-07 2005-03-03 Akimasa Shinoyama 振り子式圧電素子発電装置
WO2005036728A2 (fr) * 2003-07-30 2005-04-21 The Boeing Company Appareil de navette a energie de deformation et procede de recueil d'energie de vibration
WO2006046938A1 (fr) * 2004-10-21 2006-05-04 Societe De Technologie Michelin Collecteur piezoelectrique miniaturise d’energie de vibrations

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4510484A (en) * 1983-03-28 1985-04-09 Imperial Clevite Inc. Piezoelectric reed power supply for use in abnormal tire condition warning systems
DE29924572U1 (de) * 1999-05-07 2003-12-11 Herwig, Fitz Piezoelektrisch betriebene LED
DE10204539A1 (de) * 2002-01-30 2003-08-07 Maerklin & Cie Gmbh Geb Spielzeugmodell

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09211151A (ja) * 1996-01-30 1997-08-15 Seiko Epson Corp 発電装置、携帯型機器および圧電体の製造方法
DE10226627A1 (de) * 2001-06-15 2002-12-19 Legrand Limoges Verwendung eines piezoaktiven Organs sowie eine Vorrichtung und ein System, die dieses aufweisen
WO2005036728A2 (fr) * 2003-07-30 2005-04-21 The Boeing Company Appareil de navette a energie de deformation et procede de recueil d'energie de vibration
JP2005057982A (ja) * 2003-08-07 2005-03-03 Akimasa Shinoyama 振り子式圧電素子発電装置
WO2006046938A1 (fr) * 2004-10-21 2006-05-04 Societe De Technologie Michelin Collecteur piezoelectrique miniaturise d’energie de vibrations

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150135869A1 (en) * 2012-05-25 2015-05-21 Cambridge Enterprise Limited Energy-harvesting apparatus and method
JP2015517791A (ja) * 2012-05-25 2015-06-22 ケンブリッジ エンタープライズ リミテッド 環境発電装置および方法
JP2017195767A (ja) * 2012-05-25 2017-10-26 ケンブリッジ エンタープライズ リミテッド 環境発電装置および方法
US9871472B2 (en) * 2012-05-25 2018-01-16 Cambridge Enterprise Limited Energy-harvesting apparatus with plural mechanical amplifiers

Also Published As

Publication number Publication date
DE102006024003A1 (de) 2007-11-29

Similar Documents

Publication Publication Date Title
EP2361443B1 (fr) Convertisseur d'énergie électromécanique destiné à produire de l'énergie électrique à partir de mouvements mécaniques
EP1504519B1 (fr) Dispositif pour transformer une energie mecanique en energie electrique
EP2140168B1 (fr) Dispositif d'amortissement de vibrations
DE3407254A1 (de) Reifenzustand-erfassungseinrichtung und dafuer geeignete stromversorgungseinrichtung
WO2007134891A1 (fr) Dispositif pour convertir l'énergie mécanique en énergie utile électrique à l'aide d'un élement piézoélectrique
EP2801799B1 (fr) Commutateur de niveau à vibration
WO2007073820A1 (fr) Générateur de force
WO2014180571A1 (fr) Dispositif de production d'énergie électrique
EP1977127A1 (fr) Unite d'entrainement electrique, notamment moteur electrique avec boite de vitesses
WO1997006026A1 (fr) Pantographe de captage de courant
WO2008125549A1 (fr) Module de pneumatique comportant un convertisseur piézoélectrique
EP2289118B1 (fr) Dispositif pour produire de l énergie électrique à partir de vibrations mécaniques d amplitudes et fréquences différentes au moyen d actionneurs piézoélectriques
DE102008053646A1 (de) Linearantrieb mit Schockkompensation
DE102011006581A1 (de) Zustandsüberwachung einer Pipettenspitze mit von innen angekoppelten piezoelektrischen Elementen
EP3397423A1 (fr) Amortissement de vibrations dans une machine
DE102004030935B3 (de) Vorrichtung zur Schwingungsdämpfung in einem Kraftfahrzeug
DE102007052494A1 (de) Piezoelektrische Antriebsvorrichtung
WO2004056615A1 (fr) Capteur d'impact
DE102016103768B4 (de) Touchpadlagerung mit verbesserten Blattfederelementen
DE102006024006A1 (de) Vorrichtung zur Umwandlung von mechanischer Energie in elektrische Energie
EP3065968A2 (fr) Dispositif pour la surveillance de l'usure sur les caténaires
DE102006044563B4 (de) Radelektronikanordnung mit Energiegenerator
EP3295553B1 (fr) Système d'entraînement rotatif piézoélectrique comprenant un moyen de tension sous la forme d'un ressort à lame
DE102007042003A1 (de) Schwingungstilger für eine Kraftfahrzeugkomponente
EP2316158B1 (fr) Résonateur mécanique

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 07726924

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 07726924

Country of ref document: EP

Kind code of ref document: A1