WO2019205320A1 - Balanced armature module and in-canal receiver - Google Patents

Abstract

Disclosed in the present invention is a balanced armature module and an in-canal receiver, relating to the technical field of balanced armature unit design, the balanced armature module comprising: a shell body, the shell body comprising an upper cover and a lower shell, the upper cover and the lower shell forming an accommodating cavity; a receiver, housed in the accommodating cavity; a sound outlet part, provided on one side of the shell body and used to output the sound produced by the receiver to the user; a connecting part, provided on the side of the shell body opposite the sound outlet part; an L-shaped diaphragm, the L-shaped diaphragm being housed in the accommodating cavity, the L-shaped diaphragm and the upper cover being matched to form an upper accommodating cavity, the L-shaped diaphragm and the lower shell being matched to form a lower accommodating cavity; and a guide tube, connected to the connecting part. The present invention is thus able to reduce the size of the in-canal receiver and provide improved sound quality.

Description

Moving iron module and ear canal receiver Technical field

The embodiments of the present application relate to the field of dynamic iron unit design, and in particular, to a moving iron module and an ear canal receiver.

Background technique

Receiver in the canal (RIC), compared with the conventional hearing aid, because the receiver is separated from the fuselage, the volume is greatly reduced, the appearance is more compact and concealed, and the ear plug effect can be improved and worn comfortably. The sound quality is natural and realistic, and it is deeply loved by users.

The ear canal receiver in the prior art generally consists of a box of metal single-piece receivers and two plastic parts before and after bonding with glue, and the back shell is then fixed with a nylon tube through the metal wire to make the receiver work as close as possible to the eardrum. , to achieve hearing aid amplification. However, the front and rear plastic shells of the prior art only serve to fix and connect the receiver and the nylon conduit, and the front and rear plastic shells cause the ear canal receiver to be bulky and cannot be smaller and deeper into the ear canal. Can't provide better sound quality.

In the process of implementing the present application, the applicant found that the related art has at least the following problems: the prior art ear canal receiver is bulky and cannot provide a better sound quality effect.

Application content

The purpose of the embodiments of the present application is to provide a moving iron module and an ear canal receiver, which solves the technical problem that the ear canal receiver of the prior art is large in size and cannot provide a better sound quality effect.

In order to solve the above technical problem, the present application provides the following technical solutions:

In a first aspect, an embodiment of the present application provides a moving iron module, including:

a housing comprising an upper cover and a lower case, the upper cover and the lower case forming a receiving cavity;

a receiver received in the receiving cavity;

a sounding member disposed on one side of the casing for outputting the sound generated by the receiver to the user;

a connecting member disposed on a side of the housing relative to the sound emitting member;

An L-shaped diaphragm, the L-shaped diaphragm is received in the receiving cavity, the L-shaped diaphragm and the upper cover cooperate to form an upper receiving cavity, and the L-shaped diaphragm and the lower shell cooperate to form a lower receiving Cavity

a conduit connecting the connectors.

In some embodiments, the L-shaped diaphragm is coupled to the receiver for supporting the receiver, the L-shaped diaphragm being fixed to the lower case;

The L-shaped diaphragm includes a first connecting portion and a second connecting portion;

The first connecting portion abuts a side of the receiver for fixing the receiver to the receiving cavity;

The second connecting portion is connected to one side of the receiver for supporting the receiver.

In some embodiments, the sound emitting member is provided with a sound hole, a sounding portion and a first abutting portion, the sound emitting portion is a hollow cylindrical structure, and the sound emitting portion and the first abutting portion The sound hole is synthesized and the sound hole communicates with the receiving cavity.

In some embodiments, the connector is provided with a connection aperture and a second abutment that matches the size of the conduit for connecting the catheter.

In some embodiments, the upper and lower shells are joined to form a first joint, the first abutment being mated with the first joint.

In some embodiments, the upper and lower shells are joined to form a second joint, the second abutment being mated with the second joint.

In some embodiments, the sound emitting member and the connecting member are both made of plastic material.

In some embodiments, the receiver includes a U-shaped armature, a coil, a permanent magnet, the coil is wound around one end of the U-shaped armature, and the permanent magnet is disposed at the other end of the U-shaped armature.

In some embodiments, the connector and the catheter are integrally formed.

In a second aspect, an embodiment of the present application provides an ear canal receiver, including the moving iron module described above.

The utility model has the beneficial effects that the dynamic iron module is included in the embodiment of the present application. The movable iron module includes: a casing, and the casing includes an upper cover and a lower casing. The upper cover and the lower case form a receiving cavity; the receiver is received in the receiving cavity; the sound emitting member is disposed on one side of the housing for outputting the sound generated by the receiver to the user; Provided on a side of the housing relative to the sound emitting member; an L-shaped diaphragm, the L-shaped diaphragm is received in the receiving cavity, and the L-shaped diaphragm and the upper cover are cooperatively formed A receiving cavity, the L-shaped diaphragm and the lower casing cooperate to form a lower receiving cavity; and a conduit connecting the connecting member. In the above manner, the present application can reduce the volume of the ear canal receiver and provide a better sound quality effect.

DRAWINGS

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings to be used in the embodiments will be briefly described below. Obviously, the drawings in the following description are only some of the present application. For the embodiments, other drawings may be obtained from those skilled in the art without any inventive labor.

1 is a schematic exploded view of a moving iron module according to an embodiment of the present application;

2 is a schematic structural diagram of a sound emitting component provided by an embodiment of the present application;

3 is a schematic structural view of an upper cover and a lower case provided by an embodiment of the present application;

4 is a schematic front view of an L-shaped diaphragm provided by an embodiment of the present application;

5 is a schematic rear view of an L-shaped diaphragm provided by an embodiment of the present application;

6 is a schematic structural diagram of a receiver provided by an embodiment of the present application;

7 is another schematic structural diagram of a receiver provided by an embodiment of the present application;

8 is a schematic structural view of a connector provided by an embodiment of the present application;

FIG. 9 is a schematic diagram of a moving iron module according to an embodiment of the present application.

1 to 9, 100, moving iron module; 10, sounding member; 11, sound hole; 12, sounding portion; 13, first abutting portion; 20, upper cover; 22; second joint portion; 30, L-shaped diaphragm; 31, first connecting portion; 32, second connecting portion; 321, circular through hole; 322, reinforcing rib; 40, receiver; Armature; 42, coil; 43, permanent magnet; 44, transmission rod; 45, conductive rod; 50, lower shell; 60, connecting member; 61, second abutting portion; 62, connecting hole;

detailed description

In order to facilitate the understanding of the present application, the present application will be described in more detail below with reference to the accompanying drawings and specific embodiments. It is to be noted that when an element is described as being "fixed" to another element, it can be directly on the other element, or one or more central elements can be present. When an element is referred to as "connected" to another element, it can be a <RTI ID=0.0> </ RTI> </ RTI> <RTIgt; The terms "vertical," "horizontal," "left," "right," and the like, as used in this specification, are for the purpose of illustration.

Unless otherwise defined, all technical and scientific terms used in the specification are the same meaning The terms used in the specification of the present application are for the purpose of describing the specific embodiments, and are not intended to limit the application. The term "and/or" used in this specification includes any and all combinations of one or more of the associated listed items.

Please refer to FIG. 1. FIG. 1 is a schematic exploded view of a moving iron module according to an embodiment of the present application; as shown in FIG. 1 , the moving iron module 100 includes: a sounding member 10, an upper cover 20, and an L-shaped film. The sheet 30, the receiver 40, the lower case 50, the connector 60, and the catheter 70. The upper cover and the lower case are connected to form a housing, wherein a receiving cavity is formed between the upper cover 20 and the lower case 50, the receiver 40 is received in the receiving cavity, and the L-shaped diaphragm 30 is disposed on Below the receiver 40, the L-shaped diaphragm 30 is used to fix the receiver 40, and the sound-emitting member 10 is disposed on one side of the housing for outputting the sound generated by the receiver 40 to The connecting member 60 is disposed on a side of the housing relative to the sound emitting member 10. The connecting member 60 is configured to connect the conduit 70, and the L-shaped diaphragm 30 is received in the receiving portion. a cavity, the L-shaped diaphragm 30 and the upper cover 20 cooperate to form an upper receiving cavity, and the L-shaped diaphragm 30 and the lower casing 50 cooperate to form a lower receiving cavity, and the upper receiving cavity and the lower receiving cavity are both In a sealed state, the components in the upper receiving chamber and the lower receiving chamber do not interfere with each other, so that the receiving chamber can transmit a good sound signal. The sound emitting member 10 and the connecting member are both made of plastic material

Referring to FIG. 2, FIG. 2 is a schematic structural diagram of a sound emitting component according to an embodiment of the present application; as shown in FIG. 2, the sound emitting component 10 includes: a sound hole 11, a sound emitting part 12, and a first abutment. The sound emitting portion 12 is a hollow cylindrical structure, and the sound emitting portion 12 and the first abutting portion 13 surround the sound emitting hole 11, and the sound emitting hole 11 communicates with the sound emitting portion 11 The sound emitting hole 11 is configured to transmit the sound generated by the receiver 40 to the user, and the sound emitting portion 12 can be in contact with the user, and the sound emitting portion 12 can penetrate the ear canal of the user to satisfy the user. The sound quality experience. The first abutting portion 13 is matched with the first joint portion 21 formed by the upper and lower shells, and the first abutting portion 13 is for seamlessly connecting the sound emitting member 10 and the outer casing. Connect to reduce the volume of the moving iron module.

Please refer to FIG. 3. FIG. 3 is a schematic structural diagram of an upper cover and a lower cover according to an embodiment of the present application; as shown in FIG. 3, the upper cover 20 is an inverted U-shaped structure, and the lower cover 50 is a flat type. The upper cover 20 and the lower case 50 cooperate with each other to form a casing. The upper cover 20 and the lower casing 50 can be disposed according to the volume of the receiver 40, so that the receiver 40 can be accommodated in the casing, and thus Reduce the volume of the moving iron module. The upper cover 20 and the lower case 50 are connected to form a first joint portion 21 and a second joint portion 22, and the first joint portion 21 and the second joint portion 22 are respectively located at two sides of the casing, A joint portion 21 has a circular structure, and the second joint portion 22 has a square structure, wherein the first joint portion 21 and the first abutment portion 13 cooperate, and the second joint portion 22 and the second joint portion 22 The connecting portion 61 is matched, the first abutting portion abuts the first joint portion 21, and the sound emitting member 10 is seamlessly connected to the outer casing, and the second abutting portion 61 abuts the first portion The joint portion 22 realizes that the connecting member 60 is seamlessly connected to the outer casing.

4 and FIG. 5, FIG. 4 is a schematic front view of an L-shaped diaphragm provided by an embodiment of the present application; FIG. 5 is a schematic rear view of an L-shaped diaphragm provided by an embodiment of the present application;

As shown in FIG. 4, the L-shaped diaphragm 30 includes a first connecting portion 31, a second connecting portion 32, and a diaphragm 33, wherein the first connecting portion 31 and the second connecting portion 32 are 90 degrees. The first connecting portion 31 and the second connecting portion 32 are L-shaped, and the first connecting portion 31 and the second connecting portion 32 are connected to form an L-shaped diaphragm holder for supporting the diaphragm. 33. It can be understood that the first connecting portion 31 and the second connecting portion 32 can be integrally formed. The first connecting portion 31 is in contact with one side of the receiver 40, and the first connecting portion 31 is for fixing the receiver 40.

As shown in FIG. 5, the second connecting portion 32 is provided with a groove, the size of the groove is matched with the size of the diaphragm 33, and the diaphragm 33 can be accommodated in the groove, wherein The diaphragm 33 includes a circular through hole 331 and a reinforcing rib 332. The circular through hole 321 is disposed at a position where the transmission rod 44 of the receiver 40 is located, the circular through hole 321 is used for positioning the receiver 40, and the reinforcing rib 322 is disposed at the second connection. On one side of the portion 32, the reinforcing ribs 322 serve to reinforce the rigidity of the L-shaped diaphragm 30.

Referring to FIG. 6 and FIG. 7 , FIG. 6 is a schematic structural diagram of a receiver according to an embodiment of the present disclosure; FIG. 7 is another schematic structural diagram of a receiver provided by an embodiment of the present application;

As shown in FIG. 6, the receiver 40 includes a U-shaped armature 41, a coil 42, a permanent magnet 43, a transmission rod 44, and a conductive rod 45. The coil 42 is wound around one end of the U-shaped armature 41, and the U-shaped armature passes through the coil 42, and the permanent magnet 43 is disposed at the other end of the U-shaped armature.

As shown in FIG. 7, the conductive bar 45 is disposed on one side of the coil 42. Preferably, the conductive bar 45 is two, and the two conductive bars 45 are disposed on one side of the coil 42. And the two conductive bars 45 are oppositely disposed. When the conductive bar 45 inputs a change audio signal, the coil 42 will generate a magnetic field, and the transmission rod 44 is driven to vibrate up and down by the permanent magnet 43 to drive the diaphragm 33 to vibrate, thereby generating an acoustic signal, and passing through the sound output member 10 The sound is transmitted to the user's ear.

Please refer to FIG. 8 . FIG. 8 is a schematic structural diagram of a connector according to an embodiment of the present disclosure. As shown in FIG. 8 , the connector 60 includes a second abutting portion 61 and a connecting hole 62 . The second abutting portion 61 is configured to abut the second joint portion 22 formed by the connection of the upper cover 20 and the lower casing 50, thereby achieving seamless connection between the connecting member 60 and the casing, and reducing the moving iron module. volume. Wherein the size of the connecting hole 62 is matched with the size of the duct 70, the duct 70 may be fixed to the connecting hole 62 for connecting the duct 70. In some embodiments, the connector 60 and the conduit 70 are integrally injection molded. Wherein, the connecting member 60 and the duct 70 are both made of plastic material.

Please refer to FIG. 9. FIG. 9 is a schematic diagram of a moving iron module according to an embodiment of the present application; as shown in FIG. 9, by sealingly connecting the upper cover 20 and the lower case 50, a receiving cavity is formed. The receiver 40 is received in the accommodating cavity, and the receiver 40 is fixed to the L-shaped diaphragm 30 and is received in the accommodating cavity. The L-shaped diaphragm 30 separates the accommodating cavity into an upper receiving chamber. The cavity and the lower receiving cavity are assembled by the assembly of the sound emitting member 10 and the connecting member 60, and finally the catheter 70 is connected to the connecting member 60.

As still another aspect of the embodiment of the present application, the embodiment of the present application further provides an ear canal receiver, which comprises the moving iron module of the above embodiment.

In the embodiment of the present application, a moving iron module and an ear canal receiver are disclosed, wherein the moving iron module includes: a casing, the casing includes an upper cover and a lower casing, and the upper cover and The lower case forms a receiving cavity; the receiver is received in the receiving cavity; the sound emitting member is disposed on one side of the housing for outputting the sound generated by the receiver to the user; the connecting member is disposed on the a side of the housing relative to the sound emitting member; an L-shaped diaphragm, the L-shaped diaphragm is received in the receiving cavity, and the L-shaped diaphragm and the upper cover cooperate to form an upper receiving cavity, The L-shaped diaphragm and the lower casing cooperate to form a lower receiving cavity; a conduit connecting the connecting member. In the above manner, the present application can reduce the volume of the ear canal receiver and provide a better sound quality effect.

It should be noted that the preferred embodiments of the present application are given in the specification and the drawings of the present application, but the present application can be implemented in many different forms, and is not limited to the embodiments described in the present specification. These embodiments are not intended to be limiting of the scope of the present application, and the embodiments are provided to make the understanding of the disclosure of the present application more comprehensive. Further, each of the above technical features is further combined with each other to form various embodiments that are not listed above, and are considered to be within the scope of the specification of the present application; further, those skilled in the art can improve or change according to the above description. All such improvements and modifications are intended to fall within the scope of the appended claims.

Claims (10)

A moving iron module characterized by comprising: a housing comprising an upper cover and a lower case, the upper cover and the lower case forming a receiving cavity; a receiver received in the receiving cavity; a sounding member disposed on one side of the casing for outputting the sound generated by the receiver to the user; a connecting member disposed on a side of the housing relative to the sound emitting member; An L-shaped diaphragm, the L-shaped diaphragm is received in the receiving cavity, the L-shaped diaphragm and the upper cover cooperate to form an upper receiving cavity, and the L-shaped diaphragm and the lower shell cooperate to form a lower receiving Cavity a conduit connecting the connectors. The moving iron module according to claim 1, wherein the L-shaped diaphragm is connected to the receiver, and the L-shaped diaphragm is fixed to the lower casing; The L-shaped diaphragm includes a first connecting portion and a second connecting portion; The first connecting portion abuts a side of the receiver for fixing the receiver to the receiving cavity; The second connecting portion is connected to one side of the receiver for supporting the receiver. The moving iron module according to claim 1, wherein the sound emitting member is provided with a sound hole, a sound emitting portion and a first abutting portion, and the sound emitting portion is a hollow cylindrical structure, The sound emitting portion and the first abutting portion surround the sound emitting hole, and the sound emitting hole communicates with the receiving cavity. The moving iron module according to claim 1, wherein the connecting member is provided with a connecting hole and a second abutting portion, and the connecting hole is matched with a size of the duct, and the connecting hole is used for Connect the catheter. The moving iron module according to claim 3, wherein the upper cover and the lower case are connected to form a first joint portion, and the first abutment portion is matched with the first joint portion. The moving iron module according to claim 4, wherein the upper cover and the lower case are connected to form a second joint portion, and the second abutment portion is matched with the second joint portion. The moving iron module according to claim 1, wherein the sound emitting member and the connecting member are both made of plastic material. The moving iron module according to claim 1, wherein the receiver comprises a U-shaped armature, a coil, and a permanent magnet, and the coil is wound around one end of the U-shaped armature, and the permanent magnet is disposed at The other end of the U-shaped armature. The moving iron module according to claim 1, wherein the connecting member and the duct are integrally formed. An ear canal receiver comprising the moving iron module according to any one of claims 1-9.

Images