EP3614699B1 - Hearing aid with a coupling unit for vibration-damped mounting of a hearing aid - Google Patents

Hearing aid with a coupling unit for vibration-damped mounting of a hearing aid Download PDF

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Publication number
EP3614699B1
EP3614699B1 EP19185642.6A EP19185642A EP3614699B1 EP 3614699 B1 EP3614699 B1 EP 3614699B1 EP 19185642 A EP19185642 A EP 19185642A EP 3614699 B1 EP3614699 B1 EP 3614699B1
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EP
European Patent Office
Prior art keywords
receiver
coupling unit
hearing instrument
damping
hearing
Prior art date
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Active
Application number
EP19185642.6A
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German (de)
French (fr)
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EP3614699A1 (en
Inventor
Uwe Flaig
Hartmut Ritter
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Sivantos Pte Ltd
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Sivantos Pte Ltd
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Publication of EP3614699A1 publication Critical patent/EP3614699A1/en
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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
    • H04R25/60Mounting or interconnection of hearing aid parts, e.g. inside tips, housings or to ossicles
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
    • H04R25/45Prevention of acoustic reaction, i.e. acoustic oscillatory feedback
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
    • H04R25/45Prevention of acoustic reaction, i.e. acoustic oscillatory feedback
    • H04R25/456Prevention of acoustic reaction, i.e. acoustic oscillatory feedback mechanically
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
    • H04R25/60Mounting or interconnection of hearing aid parts, e.g. inside tips, housings or to ossicles
    • H04R25/604Mounting or interconnection of hearing aid parts, e.g. inside tips, housings or to ossicles of acoustic or vibrational transducers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2225/00Details of deaf aids covered by H04R25/00, not provided for in any of its subgroups
    • H04R2225/43Signal processing in hearing aids to enhance the speech intelligibility

Definitions

  • the invention relates to a hearing instrument according to the preamble of claim 1.
  • a “hearing instrument” is generally used to refer to devices that pick up ambient sound, modify the signal and emit a modified sound signal to the hearing of a person wearing the hearing instrument ("wearer").
  • a hearing instrument which is designed to supply a hearing-impaired wearer and which processes, in particular amplifies, acoustic ambient signals in such a way that the hearing impairment is fully or partially compensated for is referred to here and below as a “hearing aid”.
  • a hearing device usually includes an input converter, for example in the form of a microphone, a signal processing unit with an amplifier, and an output converter.
  • the output converter is usually implemented as a miniature loudspeaker and is also referred to as a "listener" (receiver).
  • hearing instruments that are designed to fit people with normal hearing, in order to protect the hearing of the respective wearer or to support noise perception (e.g. understanding speech in complex noise environments) for specific purposes.
  • Such hearing instruments are often constructed in a similar way to hearing aids and in particular also include the input converter, signal processing and output converter components mentioned above.
  • BTE hearing instruments Behind-The-Ear, also behind-the-ear, BTE for short
  • a housing equipped with the input converter, the signal processing and a battery is worn behind the ear.
  • the receiver can be arranged directly in the ear canal of the wearer (so-called ex-receiver hearing instruments or receiver-in-the-canal, RIC hearing instruments for short).
  • the handset is located within the housing itself.
  • a flexible sound tube also known as a "tube,” directs the receiver's acoustic output signals from the housing to the ear canal (tube hearing instruments).
  • ITE hearing instruments in-the-ear, also in-the-ear, ITE for short
  • CIC hearing instruments are similar to ITE hearing instruments, but are worn completely in the ear canal.
  • the receiver must be mounted securely and, in particular, vibration-dampened in the housing of the hearing instrument, in particular to prevent sound transmission (in the form of structure-borne noise or airborne noise) within the housing and the resulting acoustic feedback between the receiver and a microphone of the hearing instrument and vibrational movements of the entire housing.
  • the receiver of a hearing instrument is usually mounted with individually shaped bearings that are adapted to the respective receiver design and to the available space in the hearing instrument as well as to the performance of the hearing instrument and that are regularly attached to the housing of the hearing instrument support the hearing instrument.
  • the damping of a receiver by means of a rubber band or a rubber bag, which is wrapped around the rear part of the receiver, is common, so that bumping into the hard housing wall of the housing of the hearing instrument is avoided.
  • listeners are often enclosed in chambers made of plastic or metal in order to prevent airborne noise from being transmitted within the housing of the respective hearing instrument as far as possible.
  • a hearing instrument according to the preamble of claim 1 is made WO 00/69216 A2 known.
  • a hearing instrument with a damping element made of a dimensionally stable damping material is made of DE 10 2010 009 782 A1 known.
  • the damping element is inserted here between a housing and an electronics frame of the hearing instrument.
  • an ear microphone with an optional receiver is known.
  • the receiver is mounted on a receiving piece of the ear microphone via a receiver damper.
  • the object of the invention is to enable a receiver to be mounted securely and in a vibration-damped manner within a hearing instrument.
  • An elastic coupling is understood to be a mechanical coupling between the earphone and the at least one other component, which allows a relative movement of the earphone and the at least one other component, namely a deflection of the relative position from a rest position at least to a certain extent, but this deflection creates a restoring force opposes.
  • an elastic force transmission through the physical coupling unit is always associated with friction and thus with a loss of mechanical energy.
  • the invention is based on the consideration that directly or indirectly mounting the receiver on the housing wall of the hearing instrument is counterproductive for the intended effect of vibration and sound damping can be, since vibrations of the listener - to the extent that they are not intercepted by an optionally interposed damping - are coupled into the housing and thus unintentionally transmitted comparatively effectively.
  • the invention also takes into account the experience that other components of the hearing instrument, in particular the battery, can amplify the vibrations caused by the listener if such components are set in motion by these vibrations themselves. Under unfavorable circumstances, resonance effects or mechanical feedback of the vibrations of the receiver and the battery or another component of the hearing instrument can occur.
  • the induced vibration of internal components can also cause the housing of the hearing instrument to sway noticeably (and thus be uncomfortable for the wearer).
  • conventional hearing aids can only be operated with a comparatively low amplification, particularly in the high frequency ranges.
  • the at least one further component with which the receiver is elastically coupled via the coupling unit is a battery and/or an electronic frame of the hearing instrument—which is optionally present.
  • an electronics frame is understood to mean a mechanical support structure which is separate from the housing of the hearing instrument and on which at least one electronic component, in particular a signal processing unit, of the hearing instrument is held. All of the electronics of the hearing instrument or at least a large part of them is usually mounted on the electronics frame. In order to simplify the manufacturing process, the electronics frame allows the electronics of the hearing instrument to be completely or partially preassembled outside of the housing and, if necessary, to be tested and inserted into the housing in an already preassembled state.
  • the battery and the electronics frame that may be present and equipped are usually the heaviest components of the hearing instrument.
  • the elastic coupling of the earphone with at least one of these components is therefore particularly advantageous for vibration-damping anchoring of the earphone.
  • high vibration frequencies are particularly effectively damped by the high weight of the assembly formed from the receiver, the coupling unit and the battery and/or the electronics frame.
  • the coupling unit is designed with a damping body made of rubber or an elastomer material, which is connected on the one hand to the receiver and on the other hand to the at least one other component, i.e. in particular the Battery and / or the electronics frame is directly or indirectly coupled.
  • the coupling unit comprises, in addition to the damping body, an elastic damping element which acts directly on the receiver for supporting it, and a cage surrounding this damping element, to which the damping body is fixed.
  • This cage which is thus interposed in terms of force transmission between the (listener-side) damping element and the damping body (facing the further component), is in particular made of a harder material than the damping element and the damping body.
  • both the elastic damping element and the damping body have a lower hardness than the cage.
  • This sequence of - seen from the listener - soft material of the damping element, the hard material of the cage and the soft material of the damping body has turned out to be particularly suitable for a stable but at the same time effective vibration-damping mounting of the earphone in both high and low frequency ranges.
  • the elastic damping element has a lower hardness than the damping body.
  • the coupling unit has at least one fixing element for the non-positive fixing of the at least one further component.
  • the coupling unit includes two spaced opposite fixing elements that clamp the battery between them.
  • the non-positive fixing i.e. the fixing of the further component by exerting a transverse force by means of the fixing element, so that a relative movement of the further component in relation to this fixing element is only possible by overcoming a static friction force
  • the further component is advantageously held free of play, which means that even small vibration amplitudes are dampened and hard impacts between the other component and the coupling unit are avoided.
  • the coupling unit and in particular the or each fixing element are designed in terms of their shape (e.g. by a chamfer, lamellae, cavities or other surface structures) and the material properties (e.g. coefficient of friction, hardness, elasticity, memory effect, etc.) in such a way that the expected Manufacturing tolerances of the other components are compensated; that e.g. the batteries, which are partly larger and partly smaller within the scope of the manufacturing tolerances, are always kept sufficiently.
  • the or each fixing element is preferably designed in one piece with the damping body in the sense of a simple but effective design of the coupling unit.
  • this is also used to make electrical contact with the battery and/or an electronic component of the hearing aid.
  • corresponding electrical connections are made in the coupling unit, and here in particular in the optionally existing fixing element or at least one of the fixing elements that may be present is integrated.
  • a hearing instrument 2 in the form of a (BTE) hearing device to be worn behind the ear of a hearing-impaired wearer is shown in a roughly schematic manner.
  • the hearing instrument 2 comprises a housing 4, in which the main components are a receiver 6, two microphones 8, a signal processing unit 10 with a digital Signal processor and / or a microcontroller and a battery 12 are arranged.
  • the electronics frame 14 is a frame made separately from the housing 4, in particular made of plastic, on which the associated electrical and electronic components, in particular the signal processing unit 10 and the microphones 8, can be preassembled outside of the housing 4.
  • the receiver 6 , the battery 12 and the electronics frame 14 fitted with the signal processing unit 10 and the microphones 8 are in turn elastically coupled to one another via a coupling unit 16 .
  • the signal processing unit 10 is also electrically connected to the receiver 6 or the battery 12 by means of electrical lines 18 and 20 via the coupling unit 16 .
  • the sound generated by the receiver 6 is guided to an opening 24 at a tip of the housing 4 by means of a sound tube 22 . From there, the sound is conducted into the wearer's ear via an extension of the sound tube 22 (not shown explicitly).
  • the coupling unit 16 is in the Figures 2 to 5 shown in detail.
  • the internal structure of the receiver 6 and the battery 12 is shown in the sectional views according to FIG Figures 3 and 4 not shown explicitly for reasons of simplification.
  • the coupling unit 16 comprises a damping element 26 for mounting the receiver 6, a cage 28 surrounding it and a damping body 30 arranged between the cage 28 and the battery 12.
  • a cap 32 is placed on the cage 28 on the side of the cage 28 facing away from the battery 12 .
  • This cap 32 does not contribute directly to the elastic coupling between the earpiece 6, the battery 12 and the signal processing unit 14.
  • the cap 32 acts but in the manner described in more detail below with the damping element 26, the cage 28 and the damping body 30 to the Sound insulation of the handset 6 together. In this respect, it is also regarded as a functional component of the coupling unit 16 .
  • the recognizable cage 28 is formed by a tubular or tube-like base body 34 made of a dimensionally stable plastic, namely polyamide or polycarbonate, reinforced or unreinforced.
  • the base body 34 consists of a metal, for example sheet steel.
  • the base body 34 has an approximately quadrangular cross-section adapted to the earpiece 6 and completely encloses the side surfaces of the earpiece 6 .
  • a sound outlet 35 of the receiver 6 and a rear side of the receiver 6 opposite the sound outlet 35 are arranged on the open sides of the base body 34 .
  • the cage 28 is provided on all four side surfaces figure 5 provided with openings 36 (that is, openings that extend from the inner circumference of the base body 34 to its outer circumference).
  • the damping element 26 consists of a number of unconnected holding projections in the form of hollow conical knobs 38, the distal ends of which (i.e. facing away from the inner circumference of the base body 34) each form a contact surface 40 for the receiver 6.
  • the conical knobs 38 are formed from an elastic material (e.g. a fluoroelastomer and/or a fluorosilicone elastomer which is softer than the material of the cage 28 and has a Shore hardness (Shore A) of 20-25, in particular 23 having.
  • One of the knobs 38 is introduced, in particular injected, into each opening 36 of the cage 28 .
  • the cage 28 and the damping element 26 are preferably manufactured together in a two-component injection molding process.
  • the damping body 30 is also made of an elastic material (eg "Viton"). This material is preferably selected in such a way that the damping body 30 is harder than the nubs 38 of the damping element 26, but softer than the cage 28.
  • the material of the damping body 30 has a Shore hardness (Shore A) of 50-70, in particular 65.
  • the cap 32 is preferably made from a harder material than the damping body 30, e.g. from a dimensionally stable plastic. In an alternative embodiment, it is made from the same material as the damping body 30.
  • the damping body 30 and the cap 32 are sealingly fitted onto the cage 28 so that they form an airtight shell or box around an air space in which the handset 6 is mounted.
  • the cap 32 has a passage 41 through which the sound tube 22 connected to the sound outlet 35 of the receiver 6 is passed.
  • Two fixing elements in the form of clasps 42 are formed on an end of the damping body 30 facing the battery 12, which face one another at a distance and clamp the battery 12 between them.
  • the battery 12 is thus fixed to the damping body 30 in a non-positive manner (and therefore without play) by the clips 42 .
  • Electrical contacts 44 for contacting the battery 12 are integrated on the mutually facing inner surfaces of the clips 42, which in turn are connected to the 1 indicated line 20 are connected.
  • a further fixing element in the form of a pin 46 with a T-shaped cross section is integrally formed on the damping body 30 .
  • the pin 46 is used to hold the electronics frame 14 on the damping body 30 and for this purpose is pushed into a corresponding T-slot (not shown) of the electronics frame 14 .
  • the pin 46 is manufactured with a specified oversize relative to the T-slot of the electronics frame 14, so that the pin 46 acts on the walls of the T-slot and the electronics frame 14 is thus not only positively but also non-positively (and thus in turn free of play) on the damping body 30 fixed.
  • electrical Integrated contacts via which the in 1 indicated lines 18 and 20 are contacted with the signal processing unit 10 .
  • a small projection 47 made of a soft material is also formed on the rear wall of the damping body 30 facing the battery 12 and acts as a tolerance compensation in order to be able to securely accommodate batteries 12 with sizes that vary due to production.
  • the receiver 6 is elastically coupled to the battery 12 and the electronics frame 14 via the damping element 26 , the cage 28 and the damping body 30 .
  • a coherent assembly with a comparatively large mass is formed within the housing 4 .
  • the receiver 6, the battery 12 and the electronics frame 14 react much more robustly to vibrations, particularly in the higher frequency range, than if they were mounted individually on the housing 4. Due to the high overall weight of this assembly, the hearing instrument 2 also experiences effective vibration damping in the lower and middle frequency range. In particular, the vibration energy emitted by the earphone 6 is effectively dissipated by the elastic damping element 26 and the elastic damping body 30 .

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Neurosurgery (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Battery Mounting, Suspending (AREA)
  • Telephone Set Structure (AREA)

Description

Die Erfindung betrifft ein Hörinstrument nach dem Oberbegriff des Anspruchs 1. Als "Hörinstrument" werden allgemein Geräte bezeichnet, die einen Umgebungsschall aufnehmen, signaltechnisch modifizieren und ein modifiziertes Schallsignal an das Gehör einer das Hörinstrument tragenden Person ("Träger") abgeben.The invention relates to a hearing instrument according to the preamble of claim 1. A "hearing instrument" is generally used to refer to devices that pick up ambient sound, modify the signal and emit a modified sound signal to the hearing of a person wearing the hearing instrument ("wearer").

Ein Hörinstrument, das zur Versorgung eines hörgeschädigten Trägers ausgebildet ist und das akustische Umgebungssignale derart verarbeitet, insbesondere verstärkt, dass die Hörschädigung ganz oder teilweise kompensiert wird, wird hier und im Folgenden als "Hörgerät" bezeichnet. Ein Hörgerät umfasst hierzu üblicherweise einen Eingangswandler, beispielsweise in Form eines Mikrofons, eine Signalverarbeitungseinheit mit einem Verstärker, sowie einen Ausgangswandler. Der Ausgangswandler ist in der Regel als Miniaturlautsprecher realisiert und wird auch als "Hörer" (Receiver) bezeichnet.A hearing instrument which is designed to supply a hearing-impaired wearer and which processes, in particular amplifies, acoustic ambient signals in such a way that the hearing impairment is fully or partially compensated for is referred to here and below as a “hearing aid”. For this purpose, a hearing device usually includes an input converter, for example in the form of a microphone, a signal processing unit with an amplifier, and an output converter. The output converter is usually implemented as a miniature loudspeaker and is also referred to as a "listener" (receiver).

Zusätzlich zu Hörgeräten gibt es allerdings auch Hörinstrumente, die auf die Versorgung von Normalhörenden ausgerichtet sind, um das Gehör des jeweiligen Trägers zu schützen oder um die Geräuschwahrnehmung (z.B. das Sprachverständnis in komplexen Geräuschumgebungen) für bestimmte Zwecke zu unterstützen. Solche Hörinstrumente sind oft ähnlich aufgebaut wie Hörgeräte und umfassen insbesondere auch die oben genannten Komponenten Eingangswandler, Signalverarbeitung und Ausgangswandler.In addition to hearing aids, however, there are also hearing instruments that are designed to fit people with normal hearing, in order to protect the hearing of the respective wearer or to support noise perception (e.g. understanding speech in complex noise environments) for specific purposes. Such hearing instruments are often constructed in a similar way to hearing aids and in particular also include the input converter, signal processing and output converter components mentioned above.

Um den zahlreichen individuellen Bedürfnissen entgegenzukommen, werden unterschiedliche Bauformen von Hörinstrumenten angeboten. Bei sogenannten BTE-Hörinstrumenten (Behind-The-Ear, auch Hinter-dem-Ohr, kurz HdO) wird ein mit dem Eingangswandler, der Signalverarbeitung und einer Batterie bestücktes Gehäuse hinter dem Ohr getragen. Je nach Ausgestaltung kann der Hörer direkt im Gehörgang des Trägers (sogenannte Ex-Hörer-Hörinstrumente oder Hörer-in-the-Canal-, kurz RIC-Hörinstrumente) angeordnet sein. Alternativ ist der Hörer innerhalb des Gehäuses selbst angeordnet. In diesem Fall leitet ein flexibler, auch als "Tube" bezeichneter Schallschlauch die akustischen Ausgabesignale des Hörers vom Gehäuse zum Gehörgang (Schlauch-Hörinstrumente). Bei sogenannten ITE-Hörinstrumenten (In-the-Ear, auch In-dem-Ohr, kurz IdO) wird ein Gehäuse, welches sämtliche funktionale Komponenten einschließlich des Mikrofons und des Hörers enthält, zumindest teilweise im Gehörgang getragen. Sogenannte CIC-Hörinstrumente (Completely-in-Canal) sind den ITE-Hörinstrumenten ähnlich, werden jedoch vollständig im Gehörgang getragen.In order to meet the numerous individual needs, different designs of hearing instruments are offered. With so-called BTE hearing instruments (Behind-The-Ear, also behind-the-ear, BTE for short) a housing equipped with the input converter, the signal processing and a battery is worn behind the ear. Depending on the configuration, the receiver can be arranged directly in the ear canal of the wearer (so-called ex-receiver hearing instruments or receiver-in-the-canal, RIC hearing instruments for short). Alternatively, the handset is located within the housing itself. In this case, a flexible sound tube, also known as a "tube," directs the receiver's acoustic output signals from the housing to the ear canal (tube hearing instruments). With so-called ITE hearing instruments (in-the-ear, also in-the-ear, ITE for short), a housing that contains all the functional components, including the microphone and the receiver, is worn at least partially in the auditory canal. So-called CIC hearing instruments (Completely-in-Canal) are similar to ITE hearing instruments, but are worn completely in the ear canal.

Unabhängig von der Bauweise ist eine sichere und insbesondere schwingungs- bzw. vibrationsgedämpfte Lagerung des Hörers in dem Gehäuse des Hörinstrumentes notwendig, insbesondere um eine Schallübertragung (in Form von Körperschall oder Luftschall) innerhalb des Gehäuses und hierdurch verursachte akustische Rückkopplungen zwischen dem Hörer und einem Mikrofon des Hörinstruments und Schwingungsbewegungen des gesamten Gehäuses möglichst zu vermeiden.Regardless of the design, the receiver must be mounted securely and, in particular, vibration-dampened in the housing of the hearing instrument, in particular to prevent sound transmission (in the form of structure-borne noise or airborne noise) within the housing and the resulting acoustic feedback between the receiver and a microphone of the hearing instrument and vibrational movements of the entire housing.

Zur Erzielung einer effektiven Schwingungsdämpfung ist der Hörer eines Hörinstruments üblicherweise mit individuell geformten Lagerungen gelagert, die sowohl an die jeweilige Hörer-Bauform als auch an den verfügbaren Raum im Hörinstrument als auch an die Leistung des Hörinstruments angepasst sind und die sich regelmäßig an dem Gehäuse des Hörinstruments abstützen. Gängig ist die Dämpfung eines Hörers mittels eines Gummibandes oder einer Gummitasche, die um den hinteren Teil des Hörers gewickelt werden, so dass ein Anstoßen an die harte Gehäusewand des Gehäuses des Hörinstrumentes vermieden wird. Zusätzlich werden Hörer häufig in Kammern aus Kunststoff oder Metall eingeschlossen, um eine Übertragung von Luftschall innerhalb des Gehäuses des jeweiligen Hörinstruments möglichst zu vermeiden.In order to achieve effective vibration damping, the receiver of a hearing instrument is usually mounted with individually shaped bearings that are adapted to the respective receiver design and to the available space in the hearing instrument as well as to the performance of the hearing instrument and that are regularly attached to the housing of the hearing instrument support the hearing instrument. The damping of a receiver by means of a rubber band or a rubber bag, which is wrapped around the rear part of the receiver, is common, so that bumping into the hard housing wall of the housing of the hearing instrument is avoided. In addition, listeners are often enclosed in chambers made of plastic or metal in order to prevent airborne noise from being transmitted within the housing of the respective hearing instrument as far as possible.

Ein Hörinstrument nach dem Oberbegriff des Anspruchs 1 ist aus WO 00/69216 A2 bekannt. Ein Hörinstrument mit einem Dämpfungselement aus einem formstabilen Dämpfungsmaterial ist aus DE 10 2010 009 782 A1 bekannt. Das Dämpfungselement ist hier zwischen einem Gehäuse und einem Elektronikrahmen des Hörinstruments eingelegt. Aus EP 0 092 822 A2 ist ein Ohr-Mikrofon mit einem optionalen Hörer bekannt. Der Hörer ist über einen Hörerdämpfer an einem Aufnahmestück des Ohrmikrofons gelagert.A hearing instrument according to the preamble of claim 1 is made WO 00/69216 A2 known. A hearing instrument with a damping element made of a dimensionally stable damping material is made of DE 10 2010 009 782 A1 known. The damping element is inserted here between a housing and an electronics frame of the hearing instrument. Out of EP 0 092 822 A2 an ear microphone with an optional receiver is known. The receiver is mounted on a receiving piece of the ear microphone via a receiver damper.

Der Erfindung liegt die Aufgabe zugrunde, eine sichere und schwingungsgedämpfte Lagerung eines Hörers innerhalb eines Hörinstruments zu ermöglichen.The object of the invention is to enable a receiver to be mounted securely and in a vibration-damped manner within a hearing instrument.

Diese Aufgabe wird erfindungsgemäß gelöst durch die Merkmale des Anspruchs 1, nämlich durch ein Hörinstrument mit einem Gehäuse, einem Hörer, mit mindesten einer weiteren in dem Gehäuse gelagerten Komponente sowie mit einer Kopplungseinheit zur vibrationsreduzierten Lagerung des Hörers. Über die von dem Gehäuse losgelöste Kopplungseinheit ist der Hörer dabei (unabhängig von dem Gehäuse) elastisch mit der mindestens einen weiteren Komponente gekoppelt. Vorteilhafte Ausgestaltungen der Erfindung sind in den Unteransprüchen und der nachfolgenden Beschreibung dargelegt.This object is achieved according to the invention by the features of claim 1, namely by a hearing instrument with a housing, an earphone, with at least one other component mounted in the housing and with a coupling unit for vibration-reduced mounting of the earphone. The receiver is elastically coupled (independently of the housing) to the at least one further component via the coupling unit that is detached from the housing. Advantageous configurations of the invention are set out in the dependent claims and the following description.

Als elastische Kopplung wird eine mechanische Kopplung zwischen dem Hörer und der mindestens einen weiteren Komponente verstanden, die eine Relativbewegung des Hörers und der mindestens einen weiteren Komponente, nämlich eine Auslenkung der Relativposition aus einer Ruhelage zumindest in einem bestimmten Umfang zulässt, dieser Auslenkung aber eine Rückstellkraft entgegensetzt. In der Realität ist eine elastische Kraftübertragung durch die körperliche Kopplungseinheit dabei stets mit Reibung und somit mit einem Verlust an mechanischer Energie verbunden.An elastic coupling is understood to be a mechanical coupling between the earphone and the at least one other component, which allows a relative movement of the earphone and the at least one other component, namely a deflection of the relative position from a rest position at least to a certain extent, but this deflection creates a restoring force opposes. In reality, an elastic force transmission through the physical coupling unit is always associated with friction and thus with a loss of mechanical energy.

Die Erfindung geht einerseits von der Überlegung aus, dass eine unmittelbare oder mittelbare Lagerung des Hörers an der Gehäusewand des Hörinstruments für den beabsichtigten Effekt der Vibrations- und Schalldämpfung kontraproduktiv sein kann, da Vibrationen des Hörers - in dem Umfang, in dem sie nicht durch eine gegebenenfalls zwischengeschaltete Dämpfung abgefangen werden - in das Gehäuse eingekoppelt und damit unbeabsichtigt vergleichsweise effektiv übertragen werden. Andererseits berücksichtigt die Erfindung auch die Erfahrung, dass andere Komponenten des Hörinstruments, insbesondere die Batterie, die durch den Hörer verursachten Vibrationen verstärken können, wenn solche Komponenten durch diese Vibrationen selbst in Schwingung versetzt werden. Unter ungünstigen Umständen kann es hierbei insbesondere zu Resonanzeffekten oder zu einer mechanischen Rückkopplung der Schwingungen des Hörers und der Batterie oder einer weiteren Komponente des Hörinstruments kommen. Mitunter kann durch die induzierte Schwingung von internen Komponenten auch das Gehäuse des Hörinstruments in eine spürbare (und damit für den Träger unangenehme) Schlingerbewegung versetzt werden. Herkömmliche Hörgeräte können zur Vermeidung dieser Effekte insbesondere in den hohen Frequenzbereichen nur mit einer vergleichsweise geringen Verstärkung betrieben werden.On the one hand, the invention is based on the consideration that directly or indirectly mounting the receiver on the housing wall of the hearing instrument is counterproductive for the intended effect of vibration and sound damping can be, since vibrations of the listener - to the extent that they are not intercepted by an optionally interposed damping - are coupled into the housing and thus unintentionally transmitted comparatively effectively. On the other hand, the invention also takes into account the experience that other components of the hearing instrument, in particular the battery, can amplify the vibrations caused by the listener if such components are set in motion by these vibrations themselves. Under unfavorable circumstances, resonance effects or mechanical feedback of the vibrations of the receiver and the battery or another component of the hearing instrument can occur. Occasionally, the induced vibration of internal components can also cause the housing of the hearing instrument to sway noticeably (and thus be uncomfortable for the wearer). In order to avoid these effects, conventional hearing aids can only be operated with a comparatively low amplification, particularly in the high frequency ranges.

Auf der oben genannten Überlegung baut die erfindungsgemäße Schlussfolgerung auf, dass es sinnvoll sein kann, die mechanische Kopplung des Hörers mit dem Gehäuse zu reduzieren. Trotz der Erfahrung, dass auch eine Kopplung zwischen dem Hörer und mindestens einer weiteren Komponente des Hörinstruments schädlich für die gewünschte Vibrationsdämpfung sein, wird erfindungsgemäß eine solche Kopplung dennoch gezielt eingesetzt. Dies beruht auf der Erkenntnis, dass der Hörer und die mindestens eine weitere Komponente im Betrieb des Hörinstruments durch die gezielte Schaffung einer elastischen Kopplung bezüglich ihrer jeweiligen Bewegung gegeneinander arbeiten und die im Hörinstrument übertragene Vibration hierdurch insgesamt reduzieren können, wobei zudem durch die Kopplungseinheit infolge der oben genannten Reibungseffekte mechanische Energie effizient dissipiert (d.h. in Wärme umgewandelt und somit "vernichtet") wird.The conclusion according to the invention that it can be useful to reduce the mechanical coupling of the receiver to the housing builds on the above-mentioned consideration. Despite the experience that a coupling between the earpiece and at least one other component of the hearing instrument can also be detrimental to the desired vibration damping, such a coupling is used in a targeted manner according to the invention. This is based on the knowledge that the earphone and the at least one other component work against each other during operation of the hearing instrument through the targeted creation of an elastic coupling with regard to their respective movement and the vibration transmitted in the hearing instrument can thereby be reduced overall mechanical energy is efficiently dissipated (i.e. converted into heat and thus "destroyed") due to the friction effects mentioned above.

Bei der mindestens einen weiteren Komponente, mit der der Hörer über die Kopplungseinheit elastisch gekoppelt ist, handelt es sich um eine Batterie und/oder einen - optional vorhandenen - Elektronikrahmen des Hörinstruments. Als Elektronikrahmen wird eine von dem Gehäuse des Hörinstruments getrennte mechanische Stützkonstruktion verstanden, an der mindestens ein elektronisches Bauteil, insbesondere eine Signalverarbeitungseinheit, des Hörinstruments gehaltert ist. Meist ist die gesamte Elektronik des Hörinstruments oder zumindest ein Großteil davon an dem Elektronikrahmen montiert. Der Elektronikrahmen ermöglicht dabei, zur Vereinfachung des Herstellungsprozesses die Elektronik des Hörinstruments ganz oder teilweise außerhalb des Gehäuses vorzumontieren und gegebenenfalls zu testen und in bereits vormontiertem Zustand in das Gehäuse einzusetzen. Bei der Batterie und dem gegebenenfalls vorhandenen und bestückten Elektronikrahmen handelt es in der Regel um die schwersten Komponenten des Hörinstruments. Die elastische Kopplung des Hörers mit mindestens einer dieser Komponenten ist daher zur schwingungsdämpfenden Verankerung des Hörers besonders vorteilhaft. Insbesondere hohe Schwingungsfrequenzen werden durch das hohe Eigengewicht der aus dem Hörer, der Kopplungseinheit und der Batterie und/oder dem Elektronikrahmen gebildeten Baugruppe besonders effektiv gedämpft.The at least one further component with which the receiver is elastically coupled via the coupling unit is a battery and/or an electronic frame of the hearing instrument—which is optionally present. As an electronics frame is understood to mean a mechanical support structure which is separate from the housing of the hearing instrument and on which at least one electronic component, in particular a signal processing unit, of the hearing instrument is held. All of the electronics of the hearing instrument or at least a large part of them is usually mounted on the electronics frame. In order to simplify the manufacturing process, the electronics frame allows the electronics of the hearing instrument to be completely or partially preassembled outside of the housing and, if necessary, to be tested and inserted into the housing in an already preassembled state. The battery and the electronics frame that may be present and equipped are usually the heaviest components of the hearing instrument. The elastic coupling of the earphone with at least one of these components is therefore particularly advantageous for vibration-damping anchoring of the earphone. In particular, high vibration frequencies are particularly effectively damped by the high weight of the assembly formed from the receiver, the coupling unit and the battery and/or the electronics frame.

Eine unaufwändig realisierbare, aber gleichwohl in Hinblick auf die Dämpfungseigenschaften besonders günstige elastische Kopplung wird dadurch erreicht, dass die Kopplungseinheit mit einem Dämpfungskörper aus Gummi oder einem Elastomermaterial ausgebildet ist, der einerseits mit dem Hörer und andererseits mit der mindestens einen weiteren Komponente, insbesondere also der Batterie und/oder dem Elektronikrahmen, mittelbar oder unmittelbar gekoppelt ist. In einer besonders vorteilhaften Ausführung der Erfindung umfasst die Kopplungseinheit zusätzlich zu dem Dämpfungskörper ein elastisches Dämpfungselement, das zur Lagerung des Hörers unmittelbar an diesem angreift, und einen dieses Dämpfungselement umgebenden Käfig, an dem der Dämpfungskörper fixiert ist. Dieser Käfig, der dem (hörerseitigen) Dämpfungselement und dem (der weiteren Komponente zugewandten) Dämpfungskörper somit kraftübertragungstechnisch zwischengeschaltet ist, ist insbesondere aus einem härteren Material gefertigt als das Dämpfungselement und der Dämpfungskörper. Mit anderen Worten weisen also sowohl das elastische Dämpfungselement als auch der Dämpfungskörper eine geringere Härte als der Käfig auf. Diese Abfolge des - von dem Hörer aus gesehen - weichen Materials des Dämpfungselements, des harten Materials des Käfigs und des wiederum weichen Materials des Dämpfungskörpers hat sich als besonders geeignet für eine einerseits stabile aber gleichzeitig sowohl in hohen als tiefen Frequenzbereichen effektiv schwingungsdämpfende Lagerung des Hörers herausgestellt. In besonders geeigneter Ausführung weist das elastische Dämpfungselement eine geringere Härte auf als der Dämpfungskörper.An elastic coupling that can be implemented inexpensively but is nevertheless particularly favorable in terms of the damping properties is achieved in that the coupling unit is designed with a damping body made of rubber or an elastomer material, which is connected on the one hand to the receiver and on the other hand to the at least one other component, i.e. in particular the Battery and / or the electronics frame is directly or indirectly coupled. In a particularly advantageous embodiment of the invention, the coupling unit comprises, in addition to the damping body, an elastic damping element which acts directly on the receiver for supporting it, and a cage surrounding this damping element, to which the damping body is fixed. This cage, which is thus interposed in terms of force transmission between the (listener-side) damping element and the damping body (facing the further component), is in particular made of a harder material than the damping element and the damping body. In other words, both the elastic damping element and the damping body have a lower hardness than the cage. This sequence of - seen from the listener - soft material of the damping element, the hard material of the cage and the soft material of the damping body has turned out to be particularly suitable for a stable but at the same time effective vibration-damping mounting of the earphone in both high and low frequency ranges. In a particularly suitable embodiment, the elastic damping element has a lower hardness than the damping body.

Erfindungsgemäß weist die Kopplungseinheit mindestens ein Fixierelement zur kraftschlüssigen Fixierung der mindestens einen weiteren Komponente auf. Beispielsweise umfasst die Kopplungseinheit zwei einander mit Abstand gegenüberliegende Fixierelemente, die die Batterie zwischen sich einklemmen. Infolge der kraftschlüssigen Fixierung (d.h. der Fixierung der weiteren Komponente durch Ausübung einer Querkraft mittels des Fixierelements, so dass eine Relativbewegung der weiteren Komponente gegenüber diesem Fixierelement nur unter Überwindung einer Haftreibungskraft möglich ist) wird die weitere Komponente vorteilhafterweise spielfrei gehalten, wodurch auch bereits kleine Schwingungsamplituden gedämpft werden und harte Stöße zwischen der weiteren Komponente und der Kopplungseinheit vermieden werden.According to the invention, the coupling unit has at least one fixing element for the non-positive fixing of the at least one further component. For example, the coupling unit includes two spaced opposite fixing elements that clamp the battery between them. As a result of the non-positive fixing (i.e. the fixing of the further component by exerting a transverse force by means of the fixing element, so that a relative movement of the further component in relation to this fixing element is only possible by overcoming a static friction force), the further component is advantageously held free of play, which means that even small vibration amplitudes are dampened and hard impacts between the other component and the coupling unit are avoided.

Die Kopplungseinheit und insbesondere das oder jedes Fixierelement sind dabei hinsichtlich ihrer Formgebung (z.B. durch eine Fase, Lamellen, Kavitäten oder andere Oberflächenstrukturen) und der Materialeigenschaften (z.B. Reibungskoeffizienten, Härte, Elastizität, Memory-Effekt, etc.) derart gestaltet, dass zu erwartende Fertigungstoleranzen der weiteren Komponente kompensiert werden; dass also z.B. die im Rahmen der Fertigungstoleranzen teils größer und andernteils kleiner ausfallenden Batterien stets ausreichend gehalten werden. Das oder jedes Fixierelement ist dabei im Sinne einer einfachen aber effektiven Gestaltung der Kopplungseinheit vorzugweise einstückig mit dem Dämpfungskörper ausgebildet.The coupling unit and in particular the or each fixing element are designed in terms of their shape (e.g. by a chamfer, lamellae, cavities or other surface structures) and the material properties (e.g. coefficient of friction, hardness, elasticity, memory effect, etc.) in such a way that the expected Manufacturing tolerances of the other components are compensated; that e.g. the batteries, which are partly larger and partly smaller within the scope of the manufacturing tolerances, are always kept sufficiently. The or each fixing element is preferably designed in one piece with the damping body in the sense of a simple but effective design of the coupling unit.

In einer besonders synergetischen Ausführung der Kopplungseinheit dient dieses auch zur elektrischen Kontaktierung der Batterie und/oder eines elektronischen Bauteils des Hörgeräts. In dieser Ausführung sind entsprechende elektrische Anschlüsse in die Kopplungseinheit, und hier insbesondere in das gegebenenfalls vorhandene Fixierelement bzw. mindestens eines der gegebenenfalls vorhandenen Fixierelemente integriert.In a particularly synergetic design of the coupling unit, this is also used to make electrical contact with the battery and/or an electronic component of the hearing aid. In this embodiment, corresponding electrical connections are made in the coupling unit, and here in particular in the optionally existing fixing element or at least one of the fixing elements that may be present is integrated.

Nachfolgend wird ein Ausführungsbeispiel der Erfindung anhand einer Zeichnung näher erläutert. Dabei zeigen:

Fig. 1
in schematischer Darstellung ein Hörinstrument mit einem Gehäuse, einem Hörer, einer Batterie, einer Signalverarbeitungseinheit und einer Kopplungseinheit, die den Hörer elastisch mit der Batterie und der Signalverarbeitungseinheit koppelt,
Fig. 2
in perspektivischer Darstellung die Kopplungseinheit mit der daran fixierten Batterie,
Fig. 3
in teilweise geschnittener Seitenansicht die Kopplungseinheit und die Batterie,
Fig. 4
in einem Längsschnitt IV-IV gemäß Fig. 3 die Kopplungseinheit und die Batterie sowie dem in der Kopplungseinheit mittels eines elastischen Dämpfungselements und eines dieses umgebenden Käfigs gelagerten Hörer, und
Fig. 5
in perspektivischer Darstellung das elastische Dämpfungselement und den Käfig der Kopplungseinheit und den darin gelagerten Hörer.
An exemplary embodiment of the invention is explained in more detail below with reference to a drawing. show:
1
a schematic representation of a hearing instrument with a housing, a receiver, a battery, a signal processing unit and a coupling unit which elastically couples the receiver to the battery and the signal processing unit,
2
perspective view of the coupling unit with the battery attached to it,
3
in a partially sectioned side view the coupling unit and the battery,
4
in a longitudinal section IV-IV according to 3 the coupling unit and the battery as well as the receiver mounted in the coupling unit by means of an elastic damping element and a cage surrounding it, and
figure 5
a perspective view of the elastic damping element and the cage of the coupling unit and the receiver mounted therein.

Einander entsprechende Teile sind in allen Figuren stets mit gleichen Bezugszeichen versehen.Corresponding parts are always provided with the same reference symbols in all figures.

In Fig. 1 ist grob schematisch ein Hörinstrument 2 in Form eines hinter dem Ohr eines hörgeschädigten Trägers zu tragenden (BTE-)Hörgeräts dargestellt.In 1 a hearing instrument 2 in the form of a (BTE) hearing device to be worn behind the ear of a hearing-impaired wearer is shown in a roughly schematic manner.

Das Hörinstrument 2 umfasst ein Gehäuse 4, in welchem als Hauptkomponenten ein Hörer 6, zwei Mikrofone 8, eine Signalverarbeitungseinheit 10 mit einem digitalen Signalprozessor und/oder einem Mikrocontroller sowie eine Batterie 12 angeordnet sind.The hearing instrument 2 comprises a housing 4, in which the main components are a receiver 6, two microphones 8, a signal processing unit 10 with a digital Signal processor and / or a microcontroller and a battery 12 are arranged.

Ein Großteil der elektrischen und elektronischen Komponenten des Hörinstruments 2, insbesondere die Signalverarbeitungseinheit 10 und die Mikrofone 8, sind an einem Elektronikrahmen 14 montiert. Bei dem Elektronikrahmen 14 handelt es sich um ein separat von dem Gehäuse 4 gefertigtes Gerüst, insbesondere aus Kunststoff, an dem die zugeordneten elektrischen und elektronischen Komponenten, insbesondere also die Signalverarbeitungseinheit 10 und die Mikrofone 8, außerhalb des Gehäuses 4 vormontiert werden können.A large part of the electrical and electronic components of the hearing instrument 2, in particular the signal processing unit 10 and the microphones 8, are mounted on an electronics frame 14. The electronics frame 14 is a frame made separately from the housing 4, in particular made of plastic, on which the associated electrical and electronic components, in particular the signal processing unit 10 and the microphones 8, can be preassembled outside of the housing 4.

Der Hörer 6, die Batterie 12 und der mit der Signalverarbeitungseinheit 10 und den Mikrofonen 8 bestückte Elektronikrahmen 14 sind wiederum über eine Kopplungseinheit 16 elastisch miteinander gekoppelt. Über die Kopplungseinheit 16 ist die Signalverarbeitungseinheit 10 zudem auch mittels elektrischer Leitungen 18 und 20 mit dem Hörer 6 bzw. der Batterie 12 elektrisch kontaktiert. Der von dem Hörer 6 erzeugte Schall ist mittels eines Schallschlauchs 22 zu einer Öffnung 24 an einer Spitze des Gehäuses 4 geführt. Von dort wird der Schall über eine nicht explizit dargestellte Verlängerung des Schallschlauchs 22 in das Ohr des Trägers geleitet.The receiver 6 , the battery 12 and the electronics frame 14 fitted with the signal processing unit 10 and the microphones 8 are in turn elastically coupled to one another via a coupling unit 16 . The signal processing unit 10 is also electrically connected to the receiver 6 or the battery 12 by means of electrical lines 18 and 20 via the coupling unit 16 . The sound generated by the receiver 6 is guided to an opening 24 at a tip of the housing 4 by means of a sound tube 22 . From there, the sound is conducted into the wearer's ear via an extension of the sound tube 22 (not shown explicitly).

Die Kopplungseinheit 16 ist in den Fig. 2 bis 5 im Detail dargestellt. Der innere Aufbau des Hörers 6 und der Batterie 12 ist hierbei in den Schnittdarstellungen gemäß Fig. 3 und 4 aus Vereinfachungsgründen nicht explizit dargestellt. Aus den Fig. 2 bis 5, insbesondere der Schnittdarstellung gemäß Fig. 4 ist erkennbar, dass die Kopplungseinheit 16 ein Dämpfungselement 26 zur Lagerung des Hörers 6, einen dieses umgebenden Käfig 28 sowie einen zwischen dem Käfig 28 und der Batterie 12 angeordneten Dämpfungskörper 30 umfasst. Auf der von der Batterie 12 abgewandten Seite des Käfigs 28 ist weiterhin eine Kappe 32 auf den Käfig 28 aufgesetzt. Diese Kappe 32 trägt zwar nicht unmittelbar zu der elastischen Kopplung zwischen dem Hörer 6, der Batterie 12 und der Signalverarbeitungseinheit 14 bei. Die Kappe 32 wirkt aber in nachstehend näher beschriebener Weise mit dem Dämpfungselement 26, dem Käfig 28 und dem Dämpfungskörper 30 zu der Schalldämmung des Hörers 6 zusammen. Sie wird insofern auch als funktionaler Bestandteil der Kopplungseinheit 16 aufgefasst.The coupling unit 16 is in the Figures 2 to 5 shown in detail. The internal structure of the receiver 6 and the battery 12 is shown in the sectional views according to FIG Figures 3 and 4 not shown explicitly for reasons of simplification. From the Figures 2 to 5 , In particular according to the sectional view 4 it can be seen that the coupling unit 16 comprises a damping element 26 for mounting the receiver 6, a cage 28 surrounding it and a damping body 30 arranged between the cage 28 and the battery 12. Furthermore, a cap 32 is placed on the cage 28 on the side of the cage 28 facing away from the battery 12 . This cap 32 does not contribute directly to the elastic coupling between the earpiece 6, the battery 12 and the signal processing unit 14. The cap 32 acts but in the manner described in more detail below with the damping element 26, the cage 28 and the damping body 30 to the Sound insulation of the handset 6 together. In this respect, it is also regarded as a functional component of the coupling unit 16 .

Der insbesondere in den Fig. 4 und 5 erkennbare Käfig 28 ist durch einen schlauch- oder rohrartigen Grundkörper 34 aus einem formstabilen Kunststoff, nämlich Polyamid oder Polycarbonat, verstärkt oder unverstärkt, gebildet. In alternativer Ausführung besteht der Grundkörper 34 aus einem Metall, beispielsweise aus einem Stahlblech. Der Grundkörper 34 weist einen an den Hörer 6 angepassten, etwa viereckigen Querschnitt auf und umschließt die Seitenflächen des Hörers 6 vollumfänglich. Ein Schallauslass 35 des Hörers 6 und eine dem Schallauslass 35 gegenüberliegende Rückseite des Hörers 6 sind dagegen an den offenen Seiten des Grundkörpers 34 angeordnet. An allen vier Seitenflächen ist der Käfig 28 gemäß Fig. 5 mit Durchbrüchen 36 versehen (also Öffnungen, die sich von dem Innenumfang des Grundkörpers 34 bis zu dessen Außenumfang erstrecken).The particular in the 4 and 5 The recognizable cage 28 is formed by a tubular or tube-like base body 34 made of a dimensionally stable plastic, namely polyamide or polycarbonate, reinforced or unreinforced. In an alternative embodiment, the base body 34 consists of a metal, for example sheet steel. The base body 34 has an approximately quadrangular cross-section adapted to the earpiece 6 and completely encloses the side surfaces of the earpiece 6 . On the other hand, a sound outlet 35 of the receiver 6 and a rear side of the receiver 6 opposite the sound outlet 35 are arranged on the open sides of the base body 34 . The cage 28 is provided on all four side surfaces figure 5 provided with openings 36 (that is, openings that extend from the inner circumference of the base body 34 to its outer circumference).

Das Dämpfungselement 26 besteht in der dargestellten Ausführungsform aus einer Anzahl von unverbundenen Haltevorsprüngen in Form von hohlen konischen Noppen 38, deren distale (d.h. von dem Innenumfang des Grundkörpers 34 abgewandte) Enden jeweils eine Anlagefläche 40 für den Hörer 6 bilden. Die konischen Noppen 38 sind aus einem elastischen Material (beispielsweise einem FluorElastomer und/oder einem Fluor-Silikon-Elastomer gebildet, das weicher als das Material des Käfigs 28 ist und beispielsweise eine Shore-Härte (Shore A) von 20-25, insbesondere 23 aufweist.In the illustrated embodiment, the damping element 26 consists of a number of unconnected holding projections in the form of hollow conical knobs 38, the distal ends of which (i.e. facing away from the inner circumference of the base body 34) each form a contact surface 40 for the receiver 6. The conical knobs 38 are formed from an elastic material (e.g. a fluoroelastomer and/or a fluorosilicone elastomer which is softer than the material of the cage 28 and has a Shore hardness (Shore A) of 20-25, in particular 23 having.

In jeden Durchbruch 36 des Käfigs 28 ist dabei jeweils eine der Noppen 38 eingebracht, insbesondere eingespritzt. Vorzugsweise sind der Käfig 28 und das Dämpfungselement 26 gemeinsam in einem Zwei-Komponenten-Spritzguss-Prozess gefertigt.One of the knobs 38 is introduced, in particular injected, into each opening 36 of the cage 28 . The cage 28 and the damping element 26 are preferably manufactured together in a two-component injection molding process.

Der Dämpfungskörper 30 ist ebenfalls aus einem elastischen Material (z.B. "Viton") gefertigt. Dieses Material ist dabei derart vorzugsweise gewählt, dass der Dämpfungskörper 30 härter ist als die Noppen 38 des Dämpfungselements 26, aber weicher als der Käfig 28. Beispielsweise hat das Material des Dämpfungskörpers 30 eine Shore-Härte (Shore A) von 50-70, insbesondere 65.The damping body 30 is also made of an elastic material (eg "Viton"). This material is preferably selected in such a way that the damping body 30 is harder than the nubs 38 of the damping element 26, but softer than the cage 28. For example, the material of the damping body 30 has a Shore hardness (Shore A) of 50-70, in particular 65.

Die Kappe 32 ist vorzugsweise aus einem härten Material gefertigt als der Dämpfungskörper 30, z.B. aus einem formstabilen Kunststoff. In alternativer Ausführung ist sie aus dem gleichen Material gefertigt wie der Dämpfungskörper 30.The cap 32 is preferably made from a harder material than the damping body 30, e.g. from a dimensionally stable plastic. In an alternative embodiment, it is made from the same material as the damping body 30.

Der Dämpfungskörper 30 und die Kappe 32 sind dichtend auf den Käfig 28 aufgesetzt, so dass sie eine luftdicht abgeschlossene Schale oder Box um einen Luftraum bilden, in dem der Hörer 6 montiert ist. Die Kappe 32 weist dabei eine Durchführung 41 auf, durch die der mit dem Schallauslass 35 des Hörers 6 verbundene Schallschlauch 22 hindurchgeführt ist.The damping body 30 and the cap 32 are sealingly fitted onto the cage 28 so that they form an airtight shell or box around an air space in which the handset 6 is mounted. The cap 32 has a passage 41 through which the sound tube 22 connected to the sound outlet 35 of the receiver 6 is passed.

An ein der Batterie 12 zugewandtes Ende des Dämpfungskörpers 30 sind zwei Fixierelemente in Form von Spangen 42 (d.h. stegartigen Vorsprüngen) angeformt, die einander mit Abstand gegenüberstehen und die Batterie 12 zwischen sich einklemmen. Die Batterie 12 ist somit durch die Spangen 42 kraftschlüssig (und mithin spielfrei) an dem Dämpfungskörper 30 fixiert.Two fixing elements in the form of clasps 42 (i.e. web-like projections) are formed on an end of the damping body 30 facing the battery 12, which face one another at a distance and clamp the battery 12 between them. The battery 12 is thus fixed to the damping body 30 in a non-positive manner (and therefore without play) by the clips 42 .

An den einander zugewandten Innenflächen der Spangen 42 sind elektrische Kontakte 44 zur Kontaktierung der Batterie 12 integriert, die ihrerseits mit der in Fig. 1 angedeuteten Leitung 20 verbunden sind.Electrical contacts 44 for contacting the battery 12 are integrated on the mutually facing inner surfaces of the clips 42, which in turn are connected to the 1 indicated line 20 are connected.

Zusätzlich ist an den Dämpfungskörper 30 ein weiteres Fixierelement in Form eines im Querschnitt T-förmigen Zapfens 46 angeformt. Der Zapfen 46 dient zur Halterung des Elektronikrahmens 14 an dem Dämpfungskörper 30 und wird hierzu in eine korrespondierende T-Nut (nicht dargestellt) des Elektronikrahmens 14 eingeschoben. Der Zapfen 46 ist gegenüber der T-Nut des Elektronikrahmens 14 mit vorgegebenem Übermaß gefertigt, so dass der Zapfen 46 die Wände der T-Nut beaufschlagt und den Elektronikrahmen 14 somit nicht nur formschlüssig, sondern auch kraftschlüssig (und somit wiederum spielfrei) an dem Dämpfungskörper 30 fixiert. Optional sind in den Zapfen 46 und die korrespondierende T-Nut elektrische Kontakte integriert, über die die in Fig. 1 angedeuteten Leitungen 18 und 20 mit der Signalverarbeitungseinheit 10 kontaktiert sind.In addition, a further fixing element in the form of a pin 46 with a T-shaped cross section is integrally formed on the damping body 30 . The pin 46 is used to hold the electronics frame 14 on the damping body 30 and for this purpose is pushed into a corresponding T-slot (not shown) of the electronics frame 14 . The pin 46 is manufactured with a specified oversize relative to the T-slot of the electronics frame 14, so that the pin 46 acts on the walls of the T-slot and the electronics frame 14 is thus not only positively but also non-positively (and thus in turn free of play) on the damping body 30 fixed. Optionally, in the spigot 46 and the corresponding T-slot electrical Integrated contacts via which the in 1 indicated lines 18 and 20 are contacted with the signal processing unit 10 .

An der Batterie 12 zugewandten Rückwand des Dämpfungskörpers 30 ist ferner ein kleiner Vorsprung 47 aus einem weichen Material angeformt, der als Toleranzausgleich wirkt, um Batterien 12 mit herstellungsbedingt variierender Größe sicher aufnehmen zu können.A small projection 47 made of a soft material is also formed on the rear wall of the damping body 30 facing the battery 12 and acts as a tolerance compensation in order to be able to securely accommodate batteries 12 with sizes that vary due to production.

Über das Dämpfungselement 26, den Käfig 28 und den Dämpfungskörper 30 ist der Hörer 6 elastisch mit der Batterie 12 und dem Elektronikrahmen 14 gekoppelt. Durch diese Verbindung ist innerhalb des Gehäuses 4 eine zusammenhängende Baugruppe mit vergleichsweise großer Masse gebildet. In diesem Verbund reagieren der Hörer 6, die Batterie 12 und der Elektronikrahmen 14 deutlich robuster gegenüber Vibrationen, insbesondere im höheren Frequenzbereich, als wenn sie einzeln an dem Gehäuse 4 gelagert wären. Durch das hohe Gesamtgewicht dieser Baugruppe erfährt das Hörinstrument 2 zudem auch im unteren und mittleren Frequenzbereich eine effektive Vibrationsdämpfung. Insbesondere wird die von dem Hörer 6 abgegebene Schwingungsenergie durch das elastische Dämpfungselement 26 und den elastischen Dämpfungskörper 30 effektiv dissipiert.The receiver 6 is elastically coupled to the battery 12 and the electronics frame 14 via the damping element 26 , the cage 28 and the damping body 30 . Through this connection, a coherent assembly with a comparatively large mass is formed within the housing 4 . In this combination, the receiver 6, the battery 12 and the electronics frame 14 react much more robustly to vibrations, particularly in the higher frequency range, than if they were mounted individually on the housing 4. Due to the high overall weight of this assembly, the hearing instrument 2 also experiences effective vibration damping in the lower and middle frequency range. In particular, the vibration energy emitted by the earphone 6 is effectively dissipated by the elastic damping element 26 and the elastic damping body 30 .

Die Erfindung wird an den vorstehend beschriebenen Ausführungsbeispielen besonders deutlich, ist auf diese Ausführungsbeispiele gleichwohl aber nicht beschränkt. Vielmehr können weitere Ausführungsformen der Erfindung aus den Ansprüchen und der vorstehenden Beschreibung abgeleitet werden.The invention is particularly clear from the exemplary embodiments described above, but is nevertheless not restricted to these exemplary embodiments. Rather, further embodiments of the invention can be derived from the claims and the above description.

BezugszeichenlisteReference List

22
Hörinstrumenthearing instrument
44
GehäuseHousing
66
Hörerlistener
88th
Mikrofonmicrophone
1010
Signalverarbeitungseinheitsignal processing unit
1212
Batteriebattery
1414
Elektronikrahmenelectronics frame
1616
Kopplungseinheitcoupling unit
1818
LeitungManagement
2020
LeitungManagement
2222
Schallschlauchsound tube
2424
Öffnungopening
2626
Dämpfungselementdamping element
2828
KäfigCage
3030
Dämpfungskörperdamping body
3232
Kappecap
3434
Grundkörperbody
3535
Schallauslasssound outlet
3636
Durchbruchbreakthrough
3838
Noppenub
4040
Anlageflächecontact surface
4141
Durchführungexecution
4242
Spangeclip
4444
KontaktContact
4646
Zapfencones
4747
Vorsprunghead Start

Claims (7)

  1. Hearing instrument (2) with a housing (4), with a receiver (6), with at least one further component (12, 14) mounted in the housing (4), and with a coupling unit (16) for vibration-reduced mounting of the receiver (6), the receiver (6) being coupled to the at least one further component (12, 14) via the coupling unit (16),
    characterized in
    that the receiver (6) is coupled elastically to the at least one further component (12, 14) via the coupling unit (16), and that the coupling unit (16) comprises a damping body (30) made of rubber or an elastomer material, which is coupled, on the one hand, to the receiver (6) and, on the other hand, to the at least one further component (12, 14), the at least one further component, with which the receiver (6) is elastically coupled via the coupling unit (16), being a battery (12) and/or an electronics frame (16) for holding at least one electronic component (10), and the coupling unit (16) comprising at least one fixing element (42, 46) for non-positively fixing the at least one further component (12, 14).
  2. Hearing instrument (2) according to claim 1,
    the material of the damping body (30) having a Shore hardness (Shore A) of 50-70.
  3. Hearing instrument (2) according to claim 2,
    the coupling unit (16) comprising, in addition to the damping body (30), an elastic damping element (26) for mounting the receiver (6) and a cage (28) surrounding the latter, the damping body (30) being fixed to the cage (28).
  4. Hearing instrument (2) according to claim 3,
    both the elastic damping element (26) and the damping body (30) having a lower hardness than the cage (28).
  5. Hearing instrument (2) according to claim 3 or 4,
    the elastic damping element (26) having a lower hardness than the damping body (30).
  6. Hearing instrument (2) according to claim 2,
    the or each fixing element (42,46) being integrally formed with the damping body (30).
  7. Hearing instrument (2) according to one of the preceding claims,
    electrical contacts (44) for contacting the battery (12) and/or an electronic component (10) being integrated into the coupling unit (16).
EP19185642.6A 2018-08-24 2019-07-11 Hearing aid with a coupling unit for vibration-damped mounting of a hearing aid Active EP3614699B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102018214323.4A DE102018214323A1 (en) 2018-08-24 2018-08-24 Hearing instrument with a coupling unit for the vibration-damped mounting of a receiver

Publications (2)

Publication Number Publication Date
EP3614699A1 EP3614699A1 (en) 2020-02-26
EP3614699B1 true EP3614699B1 (en) 2022-08-31

Family

ID=67262086

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19185642.6A Active EP3614699B1 (en) 2018-08-24 2019-07-11 Hearing aid with a coupling unit for vibration-damped mounting of a hearing aid

Country Status (5)

Country Link
US (1) US11019435B2 (en)
EP (1) EP3614699B1 (en)
CN (1) CN110858949B (en)
DE (1) DE102018214323A1 (en)
DK (1) DK3614699T3 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3972288A1 (en) * 2020-09-17 2022-03-23 Sonova AG Hearing device

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3048668A (en) * 1961-04-17 1962-08-07 Beltone Hearing Aid Company Transducer suspension system
US4588867A (en) 1982-04-27 1986-05-13 Masao Konomi Ear microphone
DE8704315U1 (en) * 1987-03-23 1987-05-27 Siemens Ag, 1000 Berlin Und 8000 Muenchen, De
DK1175811T3 (en) * 1999-05-05 2005-11-28 Sarnoff Corp Modular disposable hearing aid
WO2000079835A1 (en) * 1999-06-16 2000-12-28 Phonak Ag Hearing-aid, worn behind the ear
DK1692914T3 (en) * 2003-12-05 2016-12-19 Oticon As COMMUNICATION DEVICE WITH RECEIVER SHELF
US9578429B2 (en) * 2006-11-09 2017-02-21 Sonova Ag Support mount for electronic components
DE102007037024A1 (en) 2007-08-06 2009-02-26 Siemens Medical Instruments Pte. Ltd. Hearing device with elastically mounted handset
US8379897B2 (en) 2008-09-17 2013-02-19 Daniel R. Schumaier Hearing assistance device having reduced mechanical feedback
CN102132587A (en) 2008-10-10 2011-07-20 唯听助听器公司 Resilient shell for receiver in concha
DE102010009782B4 (en) * 2010-03-01 2014-02-27 Audifon Gmbh & Co. Kg hearing Aid
EP2795923B1 (en) * 2011-12-23 2015-11-04 Sonova AG Tip-plate assembly, hearing device with a tip-plate assembly and method of manufacturing a hearing device with a tip-plate assembly
US20140333012A1 (en) * 2012-01-17 2014-11-13 Phonak Ag Method of manufacturing a hearing aid component
DE102012221233A1 (en) * 2012-09-12 2014-03-13 Siemens Medical Instruments Pte. Ltd. Coupling hearing device for a hearing device
DK3179742T3 (en) 2015-09-30 2020-01-20 Oticon As HEARING THAT INCLUDES A SHOCK AND VIBRATION DIMENSIVE RECEIVER UNIT

Also Published As

Publication number Publication date
CN110858949B (en) 2021-12-28
US11019435B2 (en) 2021-05-25
EP3614699A1 (en) 2020-02-26
CN110858949A (en) 2020-03-03
DE102018214323A1 (en) 2020-02-27
US20200068322A1 (en) 2020-02-27
DK3614699T3 (en) 2022-11-21

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