EP2557816B1 - Assembly of a signal processing component in a housing of a hearing aid - Google Patents

Assembly of a signal processing component in a housing of a hearing aid Download PDF

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Publication number
EP2557816B1
EP2557816B1 EP12175401.4A EP12175401A EP2557816B1 EP 2557816 B1 EP2557816 B1 EP 2557816B1 EP 12175401 A EP12175401 A EP 12175401A EP 2557816 B1 EP2557816 B1 EP 2557816B1
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EP
European Patent Office
Prior art keywords
housing
frame
opening
signal processing
end position
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
EP12175401.4A
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German (de)
French (fr)
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EP2557816A2 (en
EP2557816A3 (en
Inventor
Sebastian Lackert
Marco Lederer
Hartmut Ritter
Friedrich Zenk
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Sivantos Pte Ltd
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Sivantos Pte Ltd
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Publication of EP2557816A2 publication Critical patent/EP2557816A2/en
Publication of EP2557816A3 publication Critical patent/EP2557816A3/en
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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
    • H04R25/60—Mounting or interconnection of hearing aid parts, e.g. inside tips, housings or to ossicles
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
    • H04R25/45—Prevention of acoustic reaction, i.e. acoustic oscillatory feedback
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
    • H04R25/45—Prevention of acoustic reaction, i.e. acoustic oscillatory feedback
    • H04R25/456—Prevention of acoustic reaction, i.e. acoustic oscillatory feedback mechanically
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/08—Mouthpieces; Microphones; Attachments therefor
    • H04R1/083—Special constructions of mouthpieces
    • H04R1/086—Protective screens, e.g. all weather or wind screens
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
    • H04R25/40—Arrangements for obtaining a desired directivity characteristic
    • H04R25/405—Arrangements for obtaining a desired directivity characteristic by combining a plurality of transducers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
    • H04R25/60—Mounting or interconnection of hearing aid parts, e.g. inside tips, housings or to ossicles
    • H04R25/607—Mounting or interconnection of hearing aid parts, e.g. inside tips, housings or to ossicles of earhooks

Definitions

  • the present invention relates to a hearing device comprising a housing having a first opening and a second opening and a frame in or on which a signal processing component is mounted and which is insertable into the first opening of the housing to an end position. Moreover, the present invention relates to a method for mounting a frame with a signal processing component in a housing of a hearing device, which has a first opening and a second opening by the frame is pushed into the first opening of the housing to an end position.
  • a hearing device here means any device which can be worn in or on the ear and triggers a stimulus, in particular a hearing device, a headset, headphones and the like. Hearing aids are portable hearing aids that are used to care for the hearing impaired.
  • hearing aids such as behind-the-ear hearing aids (BTE), hearing aid with external handset (RIC: receiver in the canal) and in-the-ear hearing aids (IDO), for example Concha hearing aids or canal hearing aids (ITE, CIC).
  • BTE behind-the-ear hearing aids
  • RIC hearing aid with external handset
  • IDO in-the-ear hearing aids
  • ITE Canal hearing aids
  • the hearing aids listed by way of example are worn on the outer ear or in the ear canal.
  • bone conduction hearing aids, implantable or vibrotactile hearing aids are also available on the market.
  • the stimulation of the damaged hearing takes place either mechanically or electrically.
  • Hearing aids have in principle as essential components an input transducer, an amplifier and an output transducer.
  • the input transducer is usually a sound receiver, z.
  • the output transducer is usually as an electroacoustic transducer, z. As miniature speaker, or as an electromechanical transducer, z. B. bone conduction, realized.
  • the amplifier is usually integrated in a signal processing unit.
  • FIG. 1 This basic structure is in FIG. 1 shown using the example of a behind-the-ear hearing aid.
  • a signal processing unit 3 which is also integrated in the hearing aid housing 1, processes the microphone signals and amplifies them.
  • the output signal of the signal processing unit 3 is transmitted to a loudspeaker or earpiece 4, which outputs an acoustic signal.
  • the sound is optionally transmitted via a sound tube, which is fixed with an earmold in the ear canal, to the eardrum of the device carrier.
  • the power supply of the hearing device and in particular the signal processing unit 3 is effected by a likewise integrated into the hearing aid housing 1 battery. 5
  • From the DE 11 2005 003 189 T5 is to take a behind-the-ear hearing aid, which has a housing into which a frame is inserted, which carries essential components of the hearing aid.
  • a solar powered hearing aid which has a waterproof housing with a transparent window and an underlying solar cell.
  • Rechargeable batteries are attached to a printed circuit board by gluing.
  • the printed circuit board with the batteries is stretched against a housing wall.
  • the circuit board is raised at the end by means of a ramp, so that the batteries are pressed against the housing wall.
  • Hearing aids are sensitive to dust and water, which can penetrate into microphone openings. Therefore, the microphone inputs are often protected with membranes. These Membranes are usually welded to the housing shell of the hearing aid.
  • Housing shells often have the shape of a bottle.
  • a frame In such a bottle-shaped housing, a frame is inserted, which carries a variety of signal processing components such as microphones, amplifiers and listeners.
  • signal processing components such as microphones, amplifiers and listeners.
  • it is not easy to create a soundproof connection between the frame and the housing shell in the area of the microphones. Specifically, it should be avoided that, for example, sound from the listener passes through the interior of the housing to the microphone or microphones. A small gap between the frame and the housing would most likely lead to feedback or, for example, affect the directionality of a microphone system.
  • From the EP 2 219 392 A2 is to take a hearing aid, in which a prefabricated microphone module is inserted into a housing.
  • the microphones of the microphone module are stored inside elastic pockets of the microphone module.
  • the microphone module has a module housing with a lid.
  • the object of the present invention is therefore to propose a hearing device in which a signal processing component attached to a frame can be mounted in a suitable manner on an opening of a housing.
  • a hearing device having a housing, which has a first opening and a second opening, and a frame, in or on which a signal processing component is fastened, and which can be pushed into the first opening of the housing up to an end position, wherein in the housing a ramp is arranged, which cooperates with the frame so that the frame when inserted into the housing along a direction of insertion only in a section to the end position, the smaller than 30% of the insertion distance from the first opening to the end position is also moved perpendicular to the insertion direction to the second opening, the signal processing component is mounted in the end position soundproof to the interior of the housing at the second opening, for this purpose on the Frame a sealing element is arranged, which presses in the end position of the frame at the second opening against the housing.
  • a method of mounting a frame having a signal processing component in a housing of a hearing device having a first opening and a second opening by inserting the frame into the first opening of the housing to an end position, the frame being inserted into the housing along a direction of insertion through a ramp in the housing only in a section up to the end position which is smaller than 30% of the insertion distance from the first opening to the end position, also being moved perpendicular to the insertion direction towards the second opening, wherein the signal processing component is mounted in the end position soundproof with respect to the interior of the housing at the second opening, for this purpose on the frame a sealing element is arranged, which presses in the end position of the frame at the second opening against the housing.
  • a ramp is arranged in the housing, which deflects an insertion movement of the frame so that the insertion movement at the end of the insertion process receives a component of movement which is perpendicular to the initial insertion direction.
  • the soundproofing is achieved in that a sealing element is arranged on the frame, which is pressed in the end position of the frame at the second opening by the movement component perpendicular to the insertion direction of the housing.
  • a sealing element is arranged on the frame, which is pressed in the end position of the frame at the second opening by the movement component perpendicular to the insertion direction of the housing.
  • the effect of the ramp is based on the fact that over a pitch angle not only a movement along an insertion direction in a movement in the direction perpendicular to the insertion direction is "translated", but also a force along a direction of insertion into a force in the direction perpendicular to the insertion direction. Due to the lever law, the resulting normal force can be adjusted by the ratio of the two distances - insertion distance or normal movement to it - depending on a insertion force.
  • the portion or the ramp is shorter than 10% of the insertion distance.
  • the ramp is realized by means of an insertable into the housing wedge.
  • the ramp is designed in one piece with the housing. Such a construction is particularly stable and can thus absorb greater forces.
  • the signal processing component may be a microphone. Then it is possible to place the microphone by the additional component of movement perpendicular to the insertion direction as close as possible to the second opening (sound inlet opening). Otherwise, if the signal processing component is, for example, a switch, this can be pressed by the movement perpendicular to the insertion direction in an opening whose opening edge spans a plane substantially parallel to the insertion direction.
  • the signal processing component may also be incorporated in a pocket. This isolates the signal processing component from the frame.
  • a microphone as a signal processing component can be acoustically isolated from the frame.
  • the bag may be formed integrally with the sealing element. In this way, the installation of the hearing aid can be simplified because no two separate components must be mounted.
  • the sealing element is formed of a rubbery or foam-like material. As a result, a sound-proof connection can usually be reliably established. Although such a material has a high coefficient of friction and would represent a high resistance when inserting the frame to the housing, but in that the pressing of the frame with the sealing element until the last phase of the insertion takes place, created by the sealing element during insertion virtually no resistance.
  • At the second opening may also be arranged a membrane.
  • a membrane keeps dirt and water from the signal processing component underlying the second opening.
  • the signal processing components attached to the frame can be mounted in a particularly suitable manner on an opening of the housing, wherein the signal processing components are mounted in the end position soundproof with respect to the interior of the housing at the second opening. In this way, acoustic feedbacks on the interior of the housing and contamination of the interior of the housing are avoided.
  • FIG. 2 shown hearing aid has a housing 10 which has a bottle-shaped shape.
  • Under bottle shape is understood here also a cup shape or the like.
  • the bottle-shaped housing 10 has an opening 11 into which a frame 12 is inserted.
  • the frame 12 serves as a carrier for numerous signal processing components of the hearing aid.
  • signal processing components are microphones 13 and 14, an amplifier electronics 15 and a receiver 16.
  • the frame 12 may also carry other components.
  • switch, battery, sound channels and the like By way of example may be mentioned here: switch, battery, sound channels and the like.
  • the first opening 11 of the bottle-shaped housing 10 is closed by a battery lid 17 here.
  • a battery 18 is mounted in the battery cover 17, a battery 18 is mounted. Connection elements 19 for the battery 18 are also integrated in the frame 12.
  • the carrying hook 20 has a sound channel 21 into which sound is coupled in via a receiver 22 by the receiver 16.
  • the frame 12 When mounting the hearing aid, the frame 12 is first equipped with the signal processing components 13, 14, 15, 16, etc. Then the assembled frame 12 is inserted into the bottle-shaped housing 10. Finally, the battery 18 is inserted and the battery lid 17 is closed.
  • An essential aspect of the satisfactory functionality of the hearing aid is that, among other things, there are as few feedbacks as possible from the earphone 16 within the housing 10 to the microphones 13, 14. However, this means that the outputs of the microphones 13, 14 must be sealed as sound-proof as possible relative to the interior of the housing 10.
  • each of the microphones 13, 14 is surrounded by a pocket 25, 26 of a rubber-like material. These pockets 25, 26 have the function of keeping the microphones 13, 14 acoustically damped in the frame 12.
  • the pockets 25, 26, as in the enlarged view of FIG. 3 becomes clear, a circular sealing lip as a sealing member 27 which projects beyond the surface of the frame 12 and is pressed by a corresponding frame shoulder 28 to a housing portion 29 which surrounds the openings 23, 24.
  • the frame 12 is provided by a ramp 30 located inside the housing 10 at its bottom opposite the opening 11, at the end of the insertion movement towards the opening 23 (second opening) for the signal processing component or the microphone 13 is moved.
  • the ramp 30 is formed integrally with the housing 10.
  • This ramp 30 has here for example a surface 32, which is approximately at an angle of 30 ° opposite the inner wall 33 of the housing 10 extends.
  • the frame 12 has a corresponding chamfer 34 so that the insertion movement is here at least partially deflected upward to the opening 23.
  • the insertion movement is replaced by the ramp 30, a component 35 perpendicular to the insertion direction 31.
  • the frame 12 including the sealing lip 27 is pressed against the ramp 30 opposite inner wall of the housing 10 in the region of the opening 23.
  • the angle of the surface 32 of the ramp 30 with respect to the housing inner wall 33 and the length of the ramp 30 in the insertion direction 31 at least define the contact pressure of the frame 12 with respect to the housing inner wall.
  • the contact pressure determines the quality of the soundproofness of the microphone 13 with respect to the interior of the housing.
  • the soundproofness in turn determines the acoustic stability and / or the quality of the directional characteristic of the microphone system.
  • the frame 12 transverse to the insertion direction 31 has a smaller dimension than the interior of the housing 10. This rubs the sealing member 27 and the sealing lip during insertion is not on the housing inner wall, so that it is not moved or damaged and the insertion force can remain low.
  • the ramp 30 is formed by a wedge introduced into the housing 10.
  • the ramp 30 formed by the wedge is in the Fig. 3 indicated by a dashed line.
  • a particular advantage of such a "retrofittable and replaceable" wedge is the possibility of a choice of material and the shape and dimensions of the wedge. This allows relevant mechanical Properties of the ramp 30 and the wedge are easily determined.
  • this allows the desired contact pressure of the frame 12 to be adjusted to the housing inner wall 33.
  • the material of the wedge - elastic or rigid - the inclination of the ramp formed by the wedge 30 - flat or steep - and the size of the wedge thereby determine the contact pressure of the frame 12 to the housing 10, so that an optimal soundproof connection between the frame 12th and the housing inner wall 33 in the region of the microphones 13, 14 can be reached.
  • this can be firmly fixed in a preferred embodiment, for example, glued, welded or the like.
  • the wedge may be loosely inserted into the housing.
  • both the wedge 30 forming the ramp 30 and the frame 12 can be held firmly in position.
  • Such a wedge can be easily replaced or replaced.
  • this frame 12 can be influenced by targeted choice of its wall thickness in its mechanical properties.
  • the ramp 30 or the wedge is designed to be elastic. This can be done either by suitable choice of the material of the wedge and / or by its realization as a frame - see. above - to be reached. This not only allows you to set the desired contact pressure, but at the same time the material of the hearing are optimally protected.
  • the example presented above relates to a behind-the-ear hearing aid.
  • the inventive concept can also be used for example for in-the-ear hearing aids or other hearing devices.
  • a higher acoustic stability and a higher gain can be achieved especially in directional microphones, especially when devices are built with a bottle-shaped housing and inserted frame.
  • the users of these hearing devices thereby benefit in particular with regard to speech intelligibility and sound impression.

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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)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
  • Headphones And Earphones (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Description

Die vorliegende Erfindung betrifft eine Hörvorrichtung mit einem Gehäuse, das eine erste Öffnung und eine zweite Öffnung aufweist, und einem Rahmen, in oder an dem eine Signalverarbeitungskomponente befestigt ist und der in die erste Öffnung des Gehäuses bis zu einer Endposition einschiebbar ist. Darüber hinaus betrifft die vorliegende Erfindung ein Verfahren zum Montieren eines Rahmens mit einer Signalverarbeitungskomponente in einem Gehäuse einer Hörvorrichtung, das eine erste Öffnung und eine zweite Öffnung aufweist, indem der Rahmen in die erste Öffnung des Gehäuses bis zu einer Endposition geschoben wird. Unter einer Hörvorrichtung wird hier jedes im oder am Ohr tragbare, einen Hörreiz auslösende Gerät, insbesondere ein Hörgerät, ein Headset, Kopfhörer und dergleichen, verstanden.
Hörgeräte sind tragbare Hörvorrichtungen, die zur Versorgung von Schwerhörenden dienen. Um den zahlreichen individuellen Bedürfnissen entgegenzukommen, werden unterschiedliche Bauformen von Hörgeräten wie Hinter-dem-Ohr-Hörgeräte (HdO), Hörgerät mit externem Hörer (RIC: receiver in the canal) und In-dem-Ohr-Hörgeräte (IdO), z.B. auch Concha-Hörgeräte oder Kanal-Hörgeräte (ITE, CIC), bereitgestellt. Die beispielhaft aufgeführten Hörgeräte werden am Außenohr oder im Gehörgang getragen. Darüber hinaus stehen auf dem Markt aber auch Knochenleitungshörhilfen, implantierbare oder vibrotaktile Hörhilfen zur Verfügung. Dabei erfolgt die Stimulation des geschädigten Gehörs entweder mechanisch oder elektrisch.
Hörgeräte besitzen prinzipiell als wesentliche Komponenten einen Eingangswandler, einen Verstärker und einen Ausgangswandler. Der Eingangswandler ist in der Regel ein Schallempfänger, z. B. ein Mikrofon, und/oder ein elektromagnetischer Empfänger, z. B. eine Induktionsspule. Der Ausgangswandler ist meist als elektroakustischer Wandler, z. B. Miniaturlautsprecher, oder als elektromechanischer Wandler, z. B. Knochenleitungshörer, realisiert. Der Verstärker ist üblicherweise in eine Signalverarbeitungseinheit integriert. Dieser prinzipielle Aufbau ist in FIG 1 am Beispiel eines Hinter-dem-Ohr-Hörgeräts dargestellt. In ein Hörgerätegehäuse 1 zum Tragen hinter dem Ohr sind ein oder mehrere Mikrofone 2 zur Aufnahme des Schalls aus der Umgebung eingebaut. Eine Signalverarbeitungseinheit 3, die ebenfalls in das Hörgerätegehäuse 1 integriert ist, verarbeitet die Mikrofonsignale und verstärkt sie. Das Ausgangssignal der Signalverarbeitungseinheit 3 wird an einen Lautsprecher bzw. Hörer 4 übertragen, der ein akustisches Signal ausgibt. Der Schall wird gegebenenfalls über einen Schallschlauch, der mit einer Otoplastik im Gehörgang fixiert ist, zum Trommelfell des Geräteträgers übertragen. Die Energieversorgung des Hörgeräts und insbesondere die der Signalverarbeitungseinheit 3 erfolgt durch eine ebenfalls ins Hörgerätegehäuse 1 integrierte Batterie 5.The present invention relates to a hearing device comprising a housing having a first opening and a second opening and a frame in or on which a signal processing component is mounted and which is insertable into the first opening of the housing to an end position. Moreover, the present invention relates to a method for mounting a frame with a signal processing component in a housing of a hearing device, which has a first opening and a second opening by the frame is pushed into the first opening of the housing to an end position. A hearing device here means any device which can be worn in or on the ear and triggers a stimulus, in particular a hearing device, a headset, headphones and the like.
Hearing aids are portable hearing aids that are used to care for the hearing impaired. To meet the numerous individual needs, different types of hearing aids such as behind-the-ear hearing aids (BTE), hearing aid with external handset (RIC: receiver in the canal) and in-the-ear hearing aids (IDO), for example Concha hearing aids or canal hearing aids (ITE, CIC). The hearing aids listed by way of example are worn on the outer ear or in the ear canal. In addition, bone conduction hearing aids, implantable or vibrotactile hearing aids are also available on the market. The stimulation of the damaged hearing takes place either mechanically or electrically.
Hearing aids have in principle as essential components an input transducer, an amplifier and an output transducer. The input transducer is usually a sound receiver, z. As a microphone, and / or an electromagnetic receiver, for. B. an induction coil. The output transducer is usually as an electroacoustic transducer, z. As miniature speaker, or as an electromechanical transducer, z. B. bone conduction, realized. The amplifier is usually integrated in a signal processing unit. This basic structure is in FIG. 1 shown using the example of a behind-the-ear hearing aid. In a hearing aid housing 1 for carrying behind the ear, one or more microphones 2 for receiving the sound from the environment are installed. A signal processing unit 3, which is also integrated in the hearing aid housing 1, processes the microphone signals and amplifies them. The output signal of the signal processing unit 3 is transmitted to a loudspeaker or earpiece 4, which outputs an acoustic signal. The sound is optionally transmitted via a sound tube, which is fixed with an earmold in the ear canal, to the eardrum of the device carrier. The power supply of the hearing device and in particular the signal processing unit 3 is effected by a likewise integrated into the hearing aid housing 1 battery. 5

Aus der DE 11 2005 003 189 T5 ist ein Hinter-dem-Ohr-Hörgerät zu entnehmen, welches ein Gehäuse aufweist, in das ein Rahmen eingeschoben ist, welcher wesentliche Komponenten des Hörgeräts trägt.From the DE 11 2005 003 189 T5 is to take a behind-the-ear hearing aid, which has a housing into which a frame is inserted, which carries essential components of the hearing aid.

Aus der US 5 818 946 A ist ein solarbetriebenes Hörgerät dargestellt, welches ein wasserdichtes Gehäuse mit einem transparenten Fenster und einer darunter liegenden Solarzelle aufweist. Aufladbare Batterien sind auf einer Leiterplatte durch Kleben befestigt. Um das Hörgerät Schock resistent auszubilden wird die Leiterplatte mit den Batterien gegen eine Gehäusewand gespannt. Hierzu wird die Leiterplatte endseitig mit Hilfe einer Rampe angehoben, so dass die Batterien gegen die Gehäusewand gepresst werden.From the US 5 818 946 A a solar powered hearing aid is shown, which has a waterproof housing with a transparent window and an underlying solar cell. Rechargeable batteries are attached to a printed circuit board by gluing. In order to make the hearing aid resistant to shock, the printed circuit board with the batteries is stretched against a housing wall. For this purpose, the circuit board is raised at the end by means of a ramp, so that the batteries are pressed against the housing wall.

Hörgeräte sind empfindlich gegenüber Staub und Wasser, welche in Mikrofonöffnungen eindringen können. Daher werden die Mikrofoneingänge vielfach mit Membranen geschützt. Diese Membranen werden in der Regel auf die Gehäuseschale des Hörgeräts geschweißt.Hearing aids are sensitive to dust and water, which can penetrate into microphone openings. Therefore, the microphone inputs are often protected with membranes. These Membranes are usually welded to the housing shell of the hearing aid.

Gehäuseschalen haben oftmals die Form einer Flasche. In ein derartiges flaschenförmiges Gehäuse wird ein Rahmen eingeschoben, der eine Vielzahl an Signalverarbeitungskomponenten wie Mikrofone, Verstärker und Hörer trägt. Bei diesem Konzept des Einschiebens eines Rahmens in ein flaschenförmiges Gehäuse ist es nicht einfach, eine schalldichte Verbindung zwischen dem Rahmen und der Gehäuseschale im Bereich der Mikrofone zu schaffen. Speziell soll vermieden werden, dass beispielsweise Schall vom Hörer über den Innenraum des Gehäuses zu dem oder den Mikrofonen gelangt. Eine kleine Lücke zwischen Rahmen und Gehäuse würde mit hoher Wahrscheinlichkeit zu Rückkopplungen führen oder beispielsweise die Direktionalität eines Mikrofonsystems beeinträchtigen.Housing shells often have the shape of a bottle. In such a bottle-shaped housing, a frame is inserted, which carries a variety of signal processing components such as microphones, amplifiers and listeners. In this concept of inserting a frame into a bottle-shaped housing, it is not easy to create a soundproof connection between the frame and the housing shell in the area of the microphones. Specifically, it should be avoided that, for example, sound from the listener passes through the interior of the housing to the microphone or microphones. A small gap between the frame and the housing would most likely lead to feedback or, for example, affect the directionality of a microphone system.

Aus der EP 2 219 392 A2 ist ein Hörgerät zu entnehmen, bei dem ein vorgefertigtes Mikrofonmodul in ein Gehäuse eingesetzt wird. Die Mikrofone des Mikrofonmoduls sind dabei innerhalb von elastischen Taschen des Mikrofonmoduls gelagert. Das Mikrofonmodul weist ein Modulgehäuse mit einem Deckel auf.From the EP 2 219 392 A2 is to take a hearing aid, in which a prefabricated microphone module is inserted into a housing. The microphones of the microphone module are stored inside elastic pockets of the microphone module. The microphone module has a module housing with a lid.

Die Aufgabe der vorliegenden Erfindung besteht somit darin, eine Hörvorrichtung vorzuschlagen, bei der eine an einem Rahmen befestigte Signalverarbeitungskomponente in geeigneter Weise an einer Öffnung eines Gehäuses montiert werden kann.The object of the present invention is therefore to propose a hearing device in which a signal processing component attached to a frame can be mounted in a suitable manner on an opening of a housing.

Erfindungsgemäß wird diese Aufgabe gelöst durch eine Hörvorrichtung mit einem Gehäuse, das eine erste Öffnung und eine zweite Öffnung aufweist, und einem Rahmen, in oder an dem eine Signalverarbeitungskomponente befestigt ist, und der in die erste Öffnung des Gehäuses bis zu einer Endposition einschiebbar ist, wobei in dem Gehäuse eine Rampe angeordnet ist, die mit dem Rahmen so zusammenwirkt, dass der Rahmen beim Einschieben in das Gehäuse entlang einer Einschubrichtung nur in einem Abschnitt bis zur Endposition, der kleiner als 30% der Einschubstrecke von der ersten Öffnung bis zur Endposition ist, auch senkrecht zu der Einschubrichtung zu der zweiten Öffnung hin bewegt wird, wobei die Signalverarbeitungskomponente in der Endposition schalldicht gegenüber dem Innenraum des Gehäuses an der zweiten Öffnung angebracht ist, wobei hierzu an dem Rahmen ein Dichtungselement angeordnet ist, das in der Endposition des Rahmens an der zweiten Öffnung gegen das Gehäuse drückt. Darüber hinaus wird erfindungsgemäß bereitgestellt ein Verfahren zum Montieren eines Rahmens mit einer Signalverarbeitungskomponente in einem Gehäuse einer Hörvorrichtung, das eine erste Öffnung und eine zweite Öffnung aufweist, durch Einschieben des Rahmens in die erste Öffnung des Gehäuses bis zu einer Endposition, wobei der Rahmen beim Einschieben in das Gehäuse entlang einer Einschubrichtung durch eine Rampe in dem Gehäuse nur in einem Abschnitt bis zur Endposition, der kleiner ist als 30% der Einschubstrecke von der ersten Öffnung bis zur Endposition ist, auch senkrecht zu der Einschubrichtung zu der zweiten Öffnung hin bewegt wird, wobei die Signalverarbeitungskomponente in der Endposition schalldicht gegenüber dem Innenraum des Gehäuses an der zweiten Öffnung angebracht ist, wobei hierzu an dem Rahmen ein Dichtungselement angeordnet ist, das in der Endposition des Rahmens an der zweiten Öffnung gegen das Gehäuse drückt. Somit ist also in dem Gehäuse eine Rampe angeordnet, die eine Einschubbewegung des Rahmens so umlenkt, dass die Einschubbewegung am Ende des Einschubvorgangs eine Bewegungskomponente erhält, die senkrecht zu der anfänglichen Einschubrichtung steht. Dadurch lassen sich insbesondere bei flaschenförmigen Gehäusen Komponenten an Stellen in einer Art und Weise platzieren, die durch eine reine lineare Einschubbewegung nicht möglich wäre.According to the invention, this object is achieved by a hearing device having a housing, which has a first opening and a second opening, and a frame, in or on which a signal processing component is fastened, and which can be pushed into the first opening of the housing up to an end position, wherein in the housing a ramp is arranged, which cooperates with the frame so that the frame when inserted into the housing along a direction of insertion only in a section to the end position, the smaller than 30% of the insertion distance from the first opening to the end position is also moved perpendicular to the insertion direction to the second opening, the signal processing component is mounted in the end position soundproof to the interior of the housing at the second opening, for this purpose on the Frame a sealing element is arranged, which presses in the end position of the frame at the second opening against the housing. In addition, according to the invention, there is provided a method of mounting a frame having a signal processing component in a housing of a hearing device having a first opening and a second opening by inserting the frame into the first opening of the housing to an end position, the frame being inserted into the housing along a direction of insertion through a ramp in the housing only in a section up to the end position which is smaller than 30% of the insertion distance from the first opening to the end position, also being moved perpendicular to the insertion direction towards the second opening, wherein the signal processing component is mounted in the end position soundproof with respect to the interior of the housing at the second opening, for this purpose on the frame a sealing element is arranged, which presses in the end position of the frame at the second opening against the housing. Thus, a ramp is arranged in the housing, which deflects an insertion movement of the frame so that the insertion movement at the end of the insertion process receives a component of movement which is perpendicular to the initial insertion direction. As a result, in particular in the case of bottle-shaped housings, components can be placed in places in a manner which would not be possible by means of a purely linear insertion movement.

Die Schalldichtigkeit wird dabei dadurch erreicht, dass an dem Rahmen ein Dichtungselement angeordnet ist, das in der Endposition des Rahmens an der zweiten Öffnung durch die Bewegungskomponente senkrecht zu der Einschubrichtung an das Gehäuse gedrückt wird. Auf diese Weise können akustische Rückkopplungen über den Innenraum des Gehäuses vermieden werden.
Die Wirkung der Rampe beruht darauf, dass über einen Steigungswinkel nicht nur eine Bewegung entlang einer Einschubrichtung in eine Bewegung in senkrechter Richtung zu der Einschubrichtung "übersetzt" wird, sondern auch eine Kraftwirkung entlang einer Einschubrichtung in eine Kraftwirkung in senkrechter Richtung zu der Einschubrichtung. Aufgrund des Hebelgesetzes kann die entstehende Normalkraft um das Verhältnis der beiden Strecken - Einschubstrecke bzw. Normalbewegung dazu - in Abhängigkeit einer Einschubkraft eingestellt werden. D. h. je kleiner der Steigungswinkel bzw. je flacher die Rampe, desto stärker die Kraftwirkung bzw. hier der ausgeübte Anpressdruck des in das Gehäuse eingebrachten Rahmens auf eine Innenwand des den Rahmen aufnehmenden Gehäuses. Vorzugsweise ist der Abschnitt bzw. die Rampe kürzer als 10% der Einschubstrecke. Dies hat den Vorteil, dass das Umlenken der Einschubbewegung erst kurz vor der Endposition des Rahmens stattfindet.
Bei einer vorteilhaften Ausführungsform ist die Rampe mittels eines in das Gehäuse einfügbaren Keils realisiert. Eine solche Lösung lässt einen einfachen Austausch des Keils bzw. der Rampe zu. Dadurch kann ein Ermüden des Materials der Rampe beim Gebrauch oder im Wartungsfall der Hörvorrichtung kompensiert werden.The soundproofing is achieved in that a sealing element is arranged on the frame, which is pressed in the end position of the frame at the second opening by the movement component perpendicular to the insertion direction of the housing. In this way, acoustic feedback can be avoided over the interior of the housing.
The effect of the ramp is based on the fact that over a pitch angle not only a movement along an insertion direction in a movement in the direction perpendicular to the insertion direction is "translated", but also a force along a direction of insertion into a force in the direction perpendicular to the insertion direction. Due to the lever law, the resulting normal force can be adjusted by the ratio of the two distances - insertion distance or normal movement to it - depending on a insertion force. Ie. the smaller the pitch angle or the flatter the ramp, the stronger the force action or in this case the applied contact pressure of the frame introduced into the housing onto an inner wall of the housing receiving the frame. Preferably, the portion or the ramp is shorter than 10% of the insertion distance. This has the advantage that the deflection of the insertion movement takes place just before the end position of the frame.
In an advantageous embodiment, the ramp is realized by means of an insertable into the housing wedge. Such a solution allows easy replacement of the wedge or the Ramp to. As a result, fatigue of the material of the ramp during use or in the case of maintenance of the hearing device can be compensated.

Bei einer weiteren besonders vorteilhaften Ausführungsform ist die Rampe einteilig mit dem Gehäuse ausgeführt. Eine solche Konstruktion ist besonders stabil und kann dadurch größere Kräfte aufnehmen.In a further particularly advantageous embodiment, the ramp is designed in one piece with the housing. Such a construction is particularly stable and can thus absorb greater forces.

Die Signalverarbeitungskomponente kann ein Mikrofon sein. Dann ist es möglich, das Mikrofon durch die zusätzliche Bewegungskomponente senkrecht zur Einschubrichtung möglichst nahe an der zweiten Öffnung (Schalleintrittsöffnung) zu platzieren. Andernfalls, wenn die Signalverarbeitungskomponente beispielsweise ein Schalter ist, lässt sich dieser durch die Bewegung senkrecht zur Einschubrichtung in eine Öffnung drücken, deren Öffnungsrand eine im Wesentlichen zur Einschubrichtung parallele Ebene aufspannt.The signal processing component may be a microphone. Then it is possible to place the microphone by the additional component of movement perpendicular to the insertion direction as close as possible to the second opening (sound inlet opening). Otherwise, if the signal processing component is, for example, a switch, this can be pressed by the movement perpendicular to the insertion direction in an opening whose opening edge spans a plane substantially parallel to the insertion direction.

Die Signalverarbeitungskomponente kann außerdem in eine Tasche eingebracht sein. Diese isoliert die Signalverarbeitungskomponente gegenüber dem Rahmen. Insbesondere kann so ein Mikrofon als Signalverarbeitungskomponente akustisch gegenüber dem Rahmen isoliert werden.The signal processing component may also be incorporated in a pocket. This isolates the signal processing component from the frame. In particular, such a microphone as a signal processing component can be acoustically isolated from the frame.

Speziell kann die Tasche mit dem Dichtungselement einteilig gebildet sein. Auf diese Weise lässt sich die Montage der Hörvorrichtung vereinfachen, da keine zwei separaten Komponenten montiert werden müssen.Specifically, the bag may be formed integrally with the sealing element. In this way, the installation of the hearing aid can be simplified because no two separate components must be mounted.

Darüber hinaus ist es ein Vorteil, wenn das Dichtungselement aus einem gummiartigen oder schaumstoffartigen Material gebildet ist. Dadurch lässt sich in der Regel zuverlässig eine schalldichte Verbindung herstellen. Ein derartiges Material hat zwar einen hohen Reibungskoeffizienten und würde beim Einschieben des Rahmens an dem Gehäuse einen hohen Widerstand darstellen, aber dadurch, dass das Andrücken des Rahmens mit dem Dichtungselement erst in der letzten Phase des Einschubs erfolgt, entsteht durch das Dichtungselement beim Einschieben praktisch kein Widerstand.Moreover, it is an advantage if the sealing element is formed of a rubbery or foam-like material. As a result, a sound-proof connection can usually be reliably established. Although such a material has a high coefficient of friction and would represent a high resistance when inserting the frame to the housing, but in that the pressing of the frame with the sealing element until the last phase of the insertion takes place, created by the sealing element during insertion virtually no resistance.

An der zweiten Öffnung kann außerdem eine Membran angeordnet sein. Eine derartige Membran hält Schmutz und Wasser von der unter der zweiten Öffnung liegenden Signalverarbeitungskomponente ab.At the second opening may also be arranged a membrane. Such a membrane keeps dirt and water from the signal processing component underlying the second opening.

So lassen sich die an dem Rahmen befestigten Signalverarbeitungskomponenten in einer besonders geeigneten Weise an einer Öffnung des Gehäuses montieren, wobei die Signalverarbeitungskomponenten in der Endposition schalldicht gegenüber dem Innenraum des Gehäuses an der zweiten Öffnung angebracht werden. Auf diese Weise werden akustische Rückkopplungen über den Innenraum des Gehäuses sowie eine Verunreinigung des Innenraums des Gehäuses vermieden.Thus, the signal processing components attached to the frame can be mounted in a particularly suitable manner on an opening of the housing, wherein the signal processing components are mounted in the end position soundproof with respect to the interior of the housing at the second opening. In this way, acoustic feedbacks on the interior of the housing and contamination of the interior of the housing are avoided.

Die vorliegende Erfindung wird nun anhand der beigefügten Zeichnungen näher erläutert, in denen zeigen:

FIG 1
eine prinzipielle Darstellung eins Hörgeräts gemäß dem Stand der Technik;
FIG 2
einen Längsschnitt durch ein erfindungsgemäßes Hörgerät; und
FIG 3
einen vergrößerten Ausschnitt des Bilds von FIG 2.
The present invention will now be explained in more detail with reference to the accompanying drawings, in which:
FIG. 1
a schematic representation of a hearing aid according to the prior art;
FIG. 2
a longitudinal section through a hearing aid according to the invention; and
FIG. 3
an enlarged section of the image of FIG. 2 ,

Die nachfolgend näher geschilderten Ausführungsbeispiele stellen bevorzugte Ausführungsformen der vorliegenden Erfindung dar. Gleich wirkende Bauteile sind mit gleichen Bezugszeichen versehen.The embodiments described in more detail below represent preferred embodiments of the present invention. Like-acting components are provided with the same reference numerals.

Das in FIG 2 dargestellte Hörgerät besitzt ein Gehäuse 10, das flaschenförmige Gestalt besitzt. Unter Flaschenform wird hier auch eine Becherform oder dergleichen verstanden.This in FIG. 2 shown hearing aid has a housing 10 which has a bottle-shaped shape. Under bottle shape is understood here also a cup shape or the like.

Das flaschenförmige Gehäuse 10 besitzt eine Öffnung 11, in die ein Rahmen 12 eingeschoben ist. Der Rahmen 12 dient als Träger für zahlreiche Signalverarbeitungskomponenten des Hörgeräts. Im vorliegenden Beispiel sind derartige Signalverarbeitungskomponenten Mikrofone 13 und 14, eine Verstärkerelektronik 15 und ein Hörer 16. Der Rahmen 12 kann darüber hinaus auch andere Komponenten tragen. Beispielhaft seien hier erwähnt: Schalter, Batterie, Schallkanäle und dergleichen.The bottle-shaped housing 10 has an opening 11 into which a frame 12 is inserted. The frame 12 serves as a carrier for numerous signal processing components of the hearing aid. In the present example, such signal processing components are microphones 13 and 14, an amplifier electronics 15 and a receiver 16. The frame 12 may also carry other components. By way of example may be mentioned here: switch, battery, sound channels and the like.

Die erste Öffnung 11 des flaschenförmigen Gehäuses 10 ist hier durch einen Batteriedeckel 17 verschlossen. In dem Batteriedeckel 17 ist eine Batterie 18 gelagert. Anschlusselemente 19 für die Batterie 18 sind ebenfalls in den Rahmen 12 integriert.The first opening 11 of the bottle-shaped housing 10 is closed by a battery lid 17 here. In the battery cover 17, a battery 18 is mounted. Connection elements 19 for the battery 18 are also integrated in the frame 12.

An der dem Batteriedeckel 17 gegenüberliegenden Seite des flaschenförmigen Gehäuses 10 ist ein Tragehaken 20 angebracht. Der Tragehaken 20 besitzt einen Schallkanal 21, in den über einen Hörerstutzen 22 vom Hörer 16 Schall eingekoppelt wird.At the battery cover 17 opposite side of the bottle-shaped housing 10, a carrying hook 20 is attached. The carrying hook 20 has a sound channel 21 into which sound is coupled in via a receiver 22 by the receiver 16.

Bei der Montage des Hörgeräts wird zunächst der Rahmen 12 mit den Signalverarbeitungskomponenten 13, 14, 15, 16 etc. bestückt. Daraufhin wird der bestückte Rahmen 12 in das flaschenförmige Gehäuse 10 eingeschoben. Schließlich wird die Batterie 18 eingesetzt und der Batteriedeckel 17 geschlossen.When mounting the hearing aid, the frame 12 is first equipped with the signal processing components 13, 14, 15, 16, etc. Then the assembled frame 12 is inserted into the bottle-shaped housing 10. Finally, the battery 18 is inserted and the battery lid 17 is closed.

Ein wesentlicher Aspekt für die zufriedenstellende Funktionalität des Hörgeräts ist, dass es unter anderem möglichst wenige Rückkopplungen von dem Hörer 16 innerhalb des Gehäuses 10 zu den Mikrofonen 13, 14 gibt. Dies aber bedeutet, dass die Ausgänge der Mikrofone 13, 14 möglichst schalldicht gegenüber dem Innenraum des Gehäuses 10 abgedichtet sein müssen.An essential aspect of the satisfactory functionality of the hearing aid is that, among other things, there are as few feedbacks as possible from the earphone 16 within the housing 10 to the microphones 13, 14. However, this means that the outputs of the microphones 13, 14 must be sealed as sound-proof as possible relative to the interior of the housing 10.

Ähnliche Dichtigkeitsprobleme bezüglich Verschmutzungen und Wasser treten auf, wenn an dem Hörgerät Bedien- oder Anzeigeelemente angeordnet sein sollen, die vorab an dem Rahmen 12 befestigt werden. Zum Abdichten ist es nämlich notwendig, dass ein Dichtungselement an der entsprechenden Gehäuseöffnung vorgesehen ist.
Im vorliegenden Beispiel ist jedes der Mikrofone 13, 14 von einer Tasche 25, 26 aus einem gummiartigen Material umgeben. Diese Taschen 25, 26 haben die Funktion, die Mikrofone 13, 14 akustisch gedämpft in dem Rahmen 12 zu halten. Im vorliegenden Fall weisen die Taschen 25, 26, wie in der vergrößerten Ansicht von FIG 3 deutlich wird, eine kreisförmige Dichtlippe als Dichtungselement 27 auf, die über die Oberfläche des Rahmens 12 hinausragt und von einer entsprechenden Rahmenschulter 28 an einen Gehäuseabschnitt 29 gedrückt wird, der die Öffnungen 23, 24 umgibt. Wenn nun der Rahmen 12 in das flaschenförmige Gehäuse 10 eingeschoben wird und der Rahmen 12 dabei eng an der Innenwand des Gehäuses 10 entlang geschoben wird, würde die gummiartige Dichtlippe beim Einschieben verschoben oder beschädigt werden. Daher ist erfindungsgemäß vorgesehen, dass der Rahmen 12 durch eine Rampe 30, die im Inneren des Gehäuses 10 an dessen Boden, der der Öffnung 11 gegenüberliegt, angeordnet ist, am Ende der Einschubbewegung in Richtung zu der Öffnung 23 (zweite Öffnung) für die Signalverarbeitungskomponente bzw. das Mikrofon 13 bewegt wird. Im vorliegenden Beispiel ist die Rampe 30 einteilig mit dem Gehäuse 10 ausgebildet.
Das Einschieben des Rahmens 12 in das flaschenförmige Gehäuse 10 erfolgt zunächst über die wesentliche Einschubstrecke entlang einer Einschubrichtung 31, die im Wesentlichen parallel zu einer Mittellinie des Gehäuseinnenraums verläuft. Im vorliegenden Beispiel verläuft etwas mehr als 90% der Einschubstrecke zunächst entlang dieser Einschubrichtung 31. Erst am Ende des Einschiebens trifft der Rahmen 12 auf die Rampe 30. Diese Rampe 30 besitzt hier beispielhaft eine Oberfläche 32, die in etwa in einem Winkel von 30° gegenüber der Innenwand 33 des Gehäuses 10 verläuft. Der Rahmen 12 besitzt eine korrespondierende Fase 34, sodass die Einschubbewegung hier nach oben zur Öffnung 23 zumindest teilweise umgelenkt wird. Die Einschubbewegung erhält durch die Rampe 30 eine Komponente 35 senkrecht zu der Einschubrichtung 31. Dadurch wird der Rahmen 12 einschließlich der Dichtungslippe 27 an die der Rampe 30 gegenüberliegende innere Wand des Gehäuses 10 im Bereich der Öffnung 23 gedrückt.Similar leakage problems with respect to soiling and water occur when on the hearing aid operating or display elements should be arranged, which are fixed in advance on the frame 12. For sealing, it is namely necessary that a sealing element is provided at the corresponding housing opening.
In the present example, each of the microphones 13, 14 is surrounded by a pocket 25, 26 of a rubber-like material. These pockets 25, 26 have the function of keeping the microphones 13, 14 acoustically damped in the frame 12. In the present case, the pockets 25, 26, as in the enlarged view of FIG. 3 becomes clear, a circular sealing lip as a sealing member 27 which projects beyond the surface of the frame 12 and is pressed by a corresponding frame shoulder 28 to a housing portion 29 which surrounds the openings 23, 24. Now, if the frame 12 is inserted into the bottle-shaped housing 10 and the frame 12 is thereby pushed along tightly against the inner wall of the housing 10, the rubber-like sealing lip would be displaced or damaged during insertion. Therefore, according to the invention, the frame 12 is provided by a ramp 30 located inside the housing 10 at its bottom opposite the opening 11, at the end of the insertion movement towards the opening 23 (second opening) for the signal processing component or the microphone 13 is moved. In the present example, the ramp 30 is formed integrally with the housing 10.
The insertion of the frame 12 into the bottle-shaped housing 10 initially takes place via the essential insertion path along an insertion direction 31, which runs essentially parallel to a center line of the housing interior. In the present example, slightly more than 90% of the insertion path initially along this insertion direction 31. Only at the end of insertion of the frame 12 meets the ramp 30. This ramp 30 has here for example a surface 32, which is approximately at an angle of 30 ° opposite the inner wall 33 of the housing 10 extends. The frame 12 has a corresponding chamfer 34 so that the insertion movement is here at least partially deflected upward to the opening 23. The insertion movement is replaced by the ramp 30, a component 35 perpendicular to the insertion direction 31. Thus, the frame 12 including the sealing lip 27 is pressed against the ramp 30 opposite inner wall of the housing 10 in the region of the opening 23.

Der Winkel der Oberfläche 32 der Rampe 30 gegenüber der Gehäuseinnenwand 33 und die Länge der Rampe 30 in Einschubrichtung 31 definieren den Anpressdruck des Rahmens 12 gegenüber der Gehäuseinnenwand zumindest mit. Durch den Winkel und die Länge ist somit der gewünschte Anpressdruck einstellbar. Der Anpressdruck entscheidet über die Qualität der Schalldichtigkeit des Mikrofons 13 gegenüber dem Innenraum des Gehäuses. Die Schalldichtigkeit wiederum bestimmt die akustische Stabilität und/oder die Qualität der Richtcharakteristik des Mikrofonsystems. Darüber hinaus wird durch die Rampe 30 der beim Einschieben vordere Abschnitt des Rahmens 12 in der Endposition, in der der Rahmen 12 komplett in das Gehäuse eingeschoben ist, arretiert, was zu höherer mechanischer Stabilität führt.The angle of the surface 32 of the ramp 30 with respect to the housing inner wall 33 and the length of the ramp 30 in the insertion direction 31 at least define the contact pressure of the frame 12 with respect to the housing inner wall. By the angle and the length of the desired contact pressure is thus adjustable. The contact pressure determines the quality of the soundproofness of the microphone 13 with respect to the interior of the housing. The soundproofness in turn determines the acoustic stability and / or the quality of the directional characteristic of the microphone system. In addition, is locked by the ramp 30 of the front portion of the frame 12 during insertion in the end position in which the frame 12 is completely inserted into the housing, resulting in higher mechanical stability.

Für das Einschieben ist es günstig, wenn der Rahmen 12 quer zur Einschubrichtung 31 eine geringere Abmessung besitzt als der Innenraum des Gehäuses 10. Dadurch reibt das Dichtelement 27 bzw. die Dichtlippe beim Einschieben nicht an der Gehäuseinnenwand, sodass diese nicht verschoben oder beschädigt wird und die Einschubkraft gering bleiben kann.For insertion, it is advantageous if the frame 12 transverse to the insertion direction 31 has a smaller dimension than the interior of the housing 10. This rubs the sealing member 27 and the sealing lip during insertion is not on the housing inner wall, so that it is not moved or damaged and the insertion force can remain low.

In einer weiteren vorteilhaften Ausführungsform wird die Rampe 30 von einem in das Gehäuse 10 eingebrachten Keil gebildet. Die durch den Keil gebildete Rampe 30 ist in der Fig. 3 durch eine gestrichelte Linie angedeutet. Ein besonderer Vorteil eines solchen "nachrüstbaren und auswechselbaren" Keils liegt in der Möglichkeit einer Materialwahl sowie der Form und Dimensionierung des Keils. Damit können relevante mechanische Eigenschaften der Rampe 30 bzw. des Keils einfach bestimmt werden.In a further advantageous embodiment, the ramp 30 is formed by a wedge introduced into the housing 10. The ramp 30 formed by the wedge is in the Fig. 3 indicated by a dashed line. A particular advantage of such a "retrofittable and replaceable" wedge is the possibility of a choice of material and the shape and dimensions of the wedge. This allows relevant mechanical Properties of the ramp 30 and the wedge are easily determined.

Je nach Bedarf lässt sich dadurch der gewünschte Anpressdruck des Rahmens 12 an die Gehäuseinnenwand 33 einstellen. Das Material des Keils - elastisch oder starr - die Neigung der von dem Keil gebildeten Rampe 30 - flach oder steil - sowie die Größe des Keils bestimmen dabei den Anpressdruck des Rahmens 12 an das Gehäuse 10, so dass eine optimale schalldichte Verbindung zwischen dem Rahmen 12 und der Gehäuseinnenwand 33 im Bereich der Mikrofone 13, 14 erreichbar ist.Depending on requirements, this allows the desired contact pressure of the frame 12 to be adjusted to the housing inner wall 33. The material of the wedge - elastic or rigid - the inclination of the ramp formed by the wedge 30 - flat or steep - and the size of the wedge thereby determine the contact pressure of the frame 12 to the housing 10, so that an optimal soundproof connection between the frame 12th and the housing inner wall 33 in the region of the microphones 13, 14 can be reached.

Je nachdem, ob ein fixer oder beweglicher Keil erwünscht ist, kann dieser in einer bevorzugten Ausführungsform fest fixiert werden, beispielsweise eingeklebt, eingeschweißt oder dergleichen.Depending on whether a fixed or movable wedge is desired, this can be firmly fixed in a preferred embodiment, for example, glued, welded or the like.

In einer alternativen Ausführungsform kann der Keil lose in das Gehäuse eingebracht werden. Indem sich der vordere Abschnitt des Rahmens 12 mit dem in dem Gehäuse 10 befindlichen Keil 30 selbsthemmend "verkeilt", kann sowohl der die Rampe 30 bildende Keil als auch der Rahmen 12 fest in Position gehalten werden. Ein solcher Keil kann leicht ersetzt oder ausgewechselt werden.
Es kann zweckmäßig sein den Keil gemäß einer weiteren Ausführungsform als Rahmen - hier nicht gezeigt - herzustellen, zumal dadurch Material eingespart und das Gewicht der Hörvorrichtung reduziert werden. Dementsprechend kann der Tragekomfort der Hörvorrichtung verbessert werden. Darüber hinaus lässt sich dieser Rahmen 12 auch durch gezielte Wahl seiner Wanddicken in seinen mechanischen Eigenschaften beeinflussen.In an alternative embodiment, the wedge may be loosely inserted into the housing. By self-locking the front portion of the frame 12 with the wedge 30 located in the housing 10, both the wedge 30 forming the ramp 30 and the frame 12 can be held firmly in position. Such a wedge can be easily replaced or replaced.
It may be expedient to manufacture the wedge according to a further embodiment as a frame - not shown here - especially since this saves material and reduces the weight of the hearing device. Accordingly, the wearing comfort of the hearing device can be improved. In addition, this frame 12 can be influenced by targeted choice of its wall thickness in its mechanical properties.

In einer weiteren einfachen Ausführungsform ist die Rampe 30 bzw. der Keil elastisch ausgebildet. Dies kann entweder durch geeignete Wahl des Materials des Keils und/oder durch dessen Realisierung als Rahmen - vgl. oben - erreicht werden. Damit kann nicht nur der gewünschte Anpressdruck eingestellt werden, sondern gleichzeitig auch das Material der Hörvorrichtung optimal geschont werden.In a further simple embodiment, the ramp 30 or the wedge is designed to be elastic. This can be done either by suitable choice of the material of the wedge and / or by its realization as a frame - see. above - to be reached. This not only allows you to set the desired contact pressure, but at the same time the material of the hearing are optimally protected.

Das oben vorgestellte Beispiel bezieht sich auf ein Hinter-dem-Ohr-Hörgerät. Das erfindungsgemäße Konzept kann aber auch beispielsweise für In-dem-Ohr-Hörgeräte oder andere Hörvorrichtungen verwendet werden.The example presented above relates to a behind-the-ear hearing aid. However, the inventive concept can also be used for example for in-the-ear hearing aids or other hearing devices.

In vorteilhafter Weise kann durch das erfindungsgemäße Konzept eine höhere akustische Stabilität und eine höhere Verstärkung speziell bei Richtmikrofonen erreicht werden, insbesondere wenn Geräte mit einem flaschenförmigen Gehäuse und eingeschobenen Rahmen gebaut werden. Die Nutzer dieser Hörvorrichtungen profitieren dadurch insbesondere im Hinblick auf Sprachverständlichkeit und Schalleindruck.Advantageously, by the inventive concept, a higher acoustic stability and a higher gain can be achieved especially in directional microphones, especially when devices are built with a bottle-shaped housing and inserted frame. The users of these hearing devices thereby benefit in particular with regard to speech intelligibility and sound impression.

Claims (11)

  1. Hearing apparatus, comprising
    - a housing (10) having a first opening (11) and a second opening (23, 24), and
    - a frame (12), in or on which a signal processing component (13, 14, 15, 16) is secured and which is insertable into the first opening of the housing as far as an end position,
    characterized in that
    - a ramp (30) is disposed in the housing and interacts with the frame such that the frame, upon insertion into the housing along a direction of insertion (31), is also moved perpendicularly (35) with respect to the direction of insertion to the second opening, only in a section as far as the end position that is less than 30% of the insertion path from the first opening to the end position, wherein the signal processing component is mounted in the end position in a soundproof manner with respect to the interior of the housing (10) at the second opening (23, 24), wherein a sealing element (27) is disposed for this purpose on the frame (12) and, in the end position of the frame, presses against the housing at the second opening (23, 24).
  2. Hearing apparatus according to Claim 1, wherein the section as far as the end position is less than 10% of the insertion path.
  3. Hearing apparatus according to Claim 1 or 2, wherein the ramp (30) is embodied by a wedge that is insertable into the housing (10).
  4. Hearing apparatus according to Claim 1 or 2, wherein the ramp (30) is configured in one piece with the housing (10).
  5. Hearing apparatus according to Claim 3 or 4, wherein the ramp (30) is configured to be elastic.
  6. Hearing apparatus according to one of the preceding claims, wherein the signal processing component is a microphone (13, 14).
  7. Hearing apparatus according to one of the preceding claims, wherein the signal processing component is introduced into a pouch (25, 26).
  8. Hearing apparatus according to Claim 7, wherein the pouch (25, 26) is formed in one piece with the sealing element (27).
  9. Hearing apparatus according to Claim 7 or 8, wherein the pouch (25, 26) is produced from a rubber material.
  10. Hearing apparatus according to one of the preceding claims, wherein a membrane is arranged at the second opening (23, 24).
  11. Method for installing a frame (12) with a signal processing component (13, 14, 15, 16) in a housing (10) of a hearing apparatus, the housing having a first opening (11) and a second opening (23, 24), by
    - inserting the frame into the first opening of the housing as far as an end position,
    characterized in that
    - the frame, upon insertion into the housing along a direction of insertion (31), is also moved perpendicularly (35), by a ramp (30) in the housing, with respect to the direction of insertion to the second opening, only in a section as far as the end position that is less than 30% of the insertion path from the first opening to the end position, wherein the signal processing component is mounted in the end position in a soundproof manner with respect to the interior of the housing (10) at the second opening (23, 24), wherein a sealing element (27) is disposed for this purpose on the frame (12) and, in the end position of the frame, presses against the housing at the second opening (23, 24).
EP12175401.4A 2011-08-08 2012-07-06 Assembly of a signal processing component in a housing of a hearing aid Active EP2557816B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102011080609.1A DE102011080609B4 (en) 2011-08-08 2011-08-08 Mounting a signal processing component in a housing of a hearing device

Publications (3)

Publication Number Publication Date
EP2557816A2 EP2557816A2 (en) 2013-02-13
EP2557816A3 EP2557816A3 (en) 2016-06-29
EP2557816B1 true EP2557816B1 (en) 2018-04-25

Family

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Application Number Title Priority Date Filing Date
EP12175401.4A Active EP2557816B1 (en) 2011-08-08 2012-07-06 Assembly of a signal processing component in a housing of a hearing aid

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US (1) US8644541B2 (en)
EP (1) EP2557816B1 (en)
DE (1) DE102011080609B4 (en)
DK (1) DK2557816T3 (en)

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RU228985U1 (en) * 2024-07-03 2024-09-18 Открытое акционерное общество "ИСТОК-АУДИО ИНТЕРНЭШНЛ" HEARING AID HOUSING WITH HORN

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US9179228B2 (en) * 2011-12-09 2015-11-03 Sophono, Inc. Systems devices, components and methods for providing acoustic isolation between microphones and transducers in bone conduction magnetic hearing aids
CN104349256B (en) * 2013-07-30 2018-12-07 西万拓私人有限公司 Transmitter module brake apparatus for hearing device
DE102015208845B3 (en) * 2015-05-13 2016-08-11 Sivantos Pte. Ltd. hearing Aid
CN106358131A (en) * 2016-08-29 2017-01-25 苏州倍声声学技术有限公司 Bone conduction hearing aids
WO2021123048A1 (en) * 2019-12-19 2021-06-24 Gn Hearing A/S Sealing sleeve for protection of components in a hearing device
WO2021140380A1 (en) * 2020-01-07 2021-07-15 Cochlear Limited Acoustic port cover

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US6041128A (en) * 1994-01-31 2000-03-21 Rion Kabushiki Kaisha Battery receiving chamber and hearing aid
US5818946A (en) * 1996-03-22 1998-10-06 Walter; Dieter Waldemar Ruggedized solar charged hearing aid
DE202004019744U1 (en) * 2004-12-22 2005-03-03 Türk + Türk Electronic GmbH Behind the ear hearing aid has housing with electronic components on chassis that fits through battery compartment opening and is retained by pivoted cover
DE102007047335A1 (en) * 2007-10-04 2009-04-09 Siemens Medical Instruments Pte. Ltd. hearing Aid
DK2219392T3 (en) * 2009-02-17 2018-08-27 Sivantos Pte Ltd MICROPHONE MODULE FOR A HEARING DEVICE
DK2416595T3 (en) 2010-08-03 2016-12-19 Sivantos Pte Ltd A hearing instrument with a one-piece molded housing

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RU228985U1 (en) * 2024-07-03 2024-09-18 Открытое акционерное общество "ИСТОК-АУДИО ИНТЕРНЭШНЛ" HEARING AID HOUSING WITH HORN

Also Published As

Publication number Publication date
EP2557816A2 (en) 2013-02-13
EP2557816A3 (en) 2016-06-29
DK2557816T3 (en) 2018-08-06
US8644541B2 (en) 2014-02-04
DE102011080609A1 (en) 2013-02-14
DE102011080609B4 (en) 2016-10-27
US20130202139A1 (en) 2013-08-08

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