CN109525926B - Sound cavity loudspeaker assembly and sound box - Google Patents

Sound cavity loudspeaker assembly and sound box Download PDF

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Publication number
CN109525926B
CN109525926B CN201910017232.0A CN201910017232A CN109525926B CN 109525926 B CN109525926 B CN 109525926B CN 201910017232 A CN201910017232 A CN 201910017232A CN 109525926 B CN109525926 B CN 109525926B
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China
Prior art keywords
loudspeaker
sound cavity
assembly
magnetic core
horns
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CN201910017232.0A
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Chinese (zh)
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CN109525926A (en
Inventor
李憬然
黎鉴
张慧军
王洪豪
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Beijing Baidu Netcom Science and Technology Co Ltd
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Beijing Baidu Netcom Science and Technology Co Ltd
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Priority to CN201910017232.0A priority Critical patent/CN109525926B/en
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/06Loudspeakers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00Details of transducers, loudspeakers or microphones
    • H04R1/20Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/28Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
    • H04R1/2869Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself
    • H04R1/2873Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself for loudspeaker transducers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00Details of transducers, loudspeakers or microphones
    • H04R1/20Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/28Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
    • H04R1/2869Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself
    • H04R1/2892Mountings or supports for transducers
    • H04R1/2896Mountings or supports for transducers for loudspeaker transducers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02Details

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)

Abstract

The application provides a sound cavity loudspeaker assembly, which comprises a sound cavity structure, a loudspeaker and a damping piece, wherein a sound cavity is formed in the sound cavity structure; wherein, loudspeaker include magnetic core subassembly, and the setting of shock attenuation spare is in magnetic core subassembly bottom surface for absorb the vibrations that loudspeaker produced. The application also provides a sound box. The utility model provides a sound chamber loudspeaker subassembly sets up the shock attenuation piece in the magnetic core subassembly bottom surface of loudspeaker, can utilize the shock attenuation piece elasticity to make loudspeaker vibrations alleviate to alleviate the effect of sound chamber loudspeaker subassembly distortion that leads to owing to loudspeaker vibrations.

Description

Sound cavity loudspeaker assembly and sound box
Technical Field
The application belongs to the technical field of electronic product structural design, and particularly relates to a sound cavity loudspeaker assembly and a sound box.
Background
In electroacoustic products, the degree of distortion is always an important indicator for measuring the sounding quality. As the most common electroacoustic product at present, the distortion caused by the loud volume of the loudspeaker box can lead to high sound harshness, unclear middle sound and turbid low sound, and seriously affects the listening test effect. For this reason, developers want to control the distortion degree of a sound box to be smaller and better.
The sound box structure can comprise a sound cavity structure with a sound cavity formed inside, a loudspeaker arranged inside the sound cavity and other parts; the sound cavity structure after the loudspeaker is installed is called a sound cavity loudspeaker assembly. Many times, the distortion of the loudspeaker is not only caused by the distortion of a single component or part such as a loudspeaker or a sound cavity, for example, even if the distortion of the loudspeaker can be well controlled, after the loudspeaker is combined with the sound cavity, certain frequency point vibration still occurs, and such vibration can cause larger distortion of the loudspeaker component of the sound cavity, so that the loudspeaker is distorted, and the listening feeling and far-field pickup are greatly influenced.
Disclosure of Invention
In order to solve at least one of the above technical problems, the present application provides a sound cavity loudspeaker assembly and a sound box.
In a first aspect, the present application discloses a sound cavity horn assembly, comprising a sound cavity structure with a sound cavity formed therein, a horn disposed in the sound cavity, and a shock absorbing member; wherein the method comprises the steps of
The loudspeaker comprises a magnetic core assembly, and a damping piece is arranged on the bottom surface of the magnetic core assembly and used for absorbing vibration generated by the loudspeaker.
According to at least one embodiment of the present application, the acoustic cavity horn assembly further includes a first support member disposed within the acoustic cavity and disposed on the acoustic cavity structure, and the shock absorbing member is disposed on the bottom surface of the magnetic core assembly by the first support member.
According to at least one embodiment of the present application, the acoustic chamber includes at least one pair of horns, each pair of horns including two horns disposed in such a manner that the bottom surfaces of the two magnetic core assemblies are opposite to the bottom surfaces.
According to at least one embodiment of the present application, each pair of horns is centered, and the damper of the bottom surface of the core assembly of each horn is supported by a first support member.
According to at least one embodiment of the present application, the acoustic cavity horn assembly further comprises a second support member located between the two first support members of each pair of horns and connected to the two first support members, respectively.
According to at least one embodiment of the present application, the acoustic cavity structure includes a base plate and a plurality of side walls connected to the base plate, the base plate and the plurality of side walls enclosing an acoustic cavity; wherein the method comprises the steps of
The first support piece and the second support piece are arranged on the bottom plate.
According to at least one embodiment of the present application, each pair of horns is centered, and two shock absorbing members provided on the bottom surfaces of the magnetic core assemblies of the two horns are supported by the same first support member.
According to at least one embodiment of the present application, the damping member is disposed between the bottom surface of the magnetic core assembly of the loudspeaker and the sound cavity structure opposite to the bottom surface of the magnetic core assembly, one side of the damping member is connected to the bottom surface of the magnetic core assembly, and the other side is connected to the sound cavity structure.
According to at least one embodiment of the present application, the acoustic cavity includes at least one pair of horns, each pair of horns including two horns, the two horns being disposed opposite the bottom surface by two magnetic core assemblies; wherein the method comprises the steps of
The damping piece sets up between two horns, and one side of damping piece is connected with the magnetic core subassembly bottom surface of one of them loudspeaker, and the opposite side of damping piece is connected with the magnetic core subassembly bottom surface of another loudspeaker.
According to at least one embodiment of the present application, the damping member is fixedly connected to the bottom surface of the magnetic core assembly of the horn.
According to at least one embodiment of the present application, the shock absorbing member includes one of the following structures:
one spring or a spring assembly consisting of more than two springs;
one spring piece or a spring piece assembly formed by more than two spring pieces;
a silica gel pad or a pad assembly composed of more than two silica gel pads; and
one rubber gasket or a gasket assembly consisting of more than two rubber gaskets.
According to at least one embodiment of the present application, the horn is an external magnetic horn, which includes a frame and a magnetic core assembly disposed on the back of the frame.
In a second aspect, the application discloses a loudspeaker box, including sound cavity loudspeaker assembly, sound cavity loudspeaker assembly includes that inside takes shape the sound cavity structure and the loudspeaker of setting in sound cavity, and sound cavity loudspeaker assembly adopts the sound cavity loudspeaker assembly of any one of the above-mentioned claims.
The sound cavity loudspeaker assembly and the loudspeaker box with the same are provided with the damping piece on the bottom surface of the magnetic core assembly of the loudspeaker, and the loudspeaker can be vibrated and lightened by utilizing the elasticity of the damping piece, so that the distortion effect of the sound cavity loudspeaker assembly caused by vibration of the loudspeaker is reduced.
Drawings
FIG. 1 is a schematic diagram of one embodiment of a sound cavity horn assembly of the present application;
FIG. 2 is a schematic structural view of another embodiment of a sound cavity horn assembly of the present application;
FIG. 3 is a schematic structural view of the acoustic cavity structure of the embodiment of FIG. 2;
FIG. 4 is a schematic structural view of yet another embodiment of the acoustic chamber horn assembly of the present application;
fig. 5 is a schematic view of a connection structure between an external magnetic horn and a damper according to the above embodiment of the present application.
Wherein:
1-sound cavity structure, 11-sound cavity, 12-bottom plate, 13-side wall;
2-horn, 21-basin rack, 22-magnetic core assembly;
3-a shock absorbing member;
4-a first support;
5-a second support.
Detailed Description
In order to make the purposes, technical solutions and advantages of the implementation of the present application more clear, the technical solutions in the embodiments of the present application will be described in more detail below with reference to the accompanying drawings in the embodiments of the present application. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The described embodiments are some, but not all, of the embodiments of the present application. The embodiments described below by referring to the drawings are exemplary and intended for the purpose of explaining the present application and are not to be construed as limiting the present application. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application. Embodiments of the present application are described in detail below with reference to the accompanying drawings.
In the description of the present application, it should be understood that the terms "upper," "left," "right," "vertical," "bottom," "interior," and the like indicate an orientation or a positional relationship based on that shown in the drawings, and are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the devices or elements to be referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the scope of protection of the present application.
Referring to fig. 1-5, in a first aspect of the present application, a sound cavity horn assembly is disclosed. As shown particularly in fig. 3, the sound cavity horn assembly may include a sound cavity structure 1, and the interior of the sound cavity structure 1 may be formed with a sound cavity 11 (see the cavity portion indicated by the icon 11 in fig. 1-4). Further, the acoustic chamber horn assembly may also include at least one horn 2 disposed within the acoustic chamber 11.
The horn 2 may be selected from any of a variety of suitable horn configurations known to date, as desired. As shown in fig. 5, in some alternative embodiments, the horn 2 is an external magnetic horn, which may include a vibration assembly (not shown in the figures), a magnetic core assembly 22, and a support assembly (not shown in the figures); in particular, the vibration assembly may include a voice coil, a damper, and a diaphragm; the magnetic core assembly 22 may include U-iron (T-iron), magnets, washer, and antimagnetic cover; the support assembly may include a tub 21, a gasket, a dust cover, a terminal plate, and a lead. Wherein the frame 21 is horn-like, the vibration component is generally disposed inside the horn-like opening of the frame 21, and the magnetic core component 22 is generally disposed on the back of the horn-like opening of the frame 2.
Further, the sound cavity horn assembly may further comprise a damper 3 arranged in the sound cavity 11 of the sound cavity structure 1. Specifically, the damper 3 may be disposed on the bottom surface of the core assembly 22 of the horn 2 in various suitable manners, so that the vibration generated from the external magnetic horn 2 may be absorbed by the damper.
In the sound cavity loudspeaker assembly of the application, the damping piece 3 is arranged on the bottom surface of the magnetic core assembly 22 of the loudspeaker 2, and vibration generated by the loudspeaker 2 can be absorbed by utilizing the elasticity of the damping piece 3, so that the vibration of the loudspeaker 2 is relieved, and the distortion effect of the sound cavity loudspeaker assembly caused by the vibration of the loudspeaker 2 is relieved.
It should be noted that, in the sound cavity horn assembly of the present application, the number of horns 2 in the sound cavity 11 and the specific arrangement manner of the horns 2 may be appropriately selected according to the size of the sound cavity 11 or other requirements; for example, when the number of the external speakers 2 is more than two, after the adapting relation with the corresponding damper 3 is satisfied, all the speakers 2 may be arranged in the sound cavity 11 in various suitable manners, for example, in a row, a column, an opposite manner, or the like, and when the number is more than two, they may be arranged in a circumferential manner, and the specific arrangement manner will not be described herein.
Further, the shock absorbing member 3 may be selected as many suitable structures having an elastic shock absorbing function as known so far as necessary, and the shock absorbing member 3 may be a single-piece structure or an assembly structure composed of two or more single-piece structures. In some alternative embodiments, the shock absorbing member 3 may include one of the following structures: one spring or a spring assembly consisting of more than two springs; one spring piece or a spring piece assembly formed by more than two spring pieces; a silica gel pad or a pad assembly composed of more than two silica gel pads; and one rubber gasket or a gasket assembly composed of two or more rubber gaskets.
Further, the shock absorbing member 3 disposed on the bottom surface of the magnetic core assembly 22 of the horn 2 may be in a free state (i.e. an uncompressed state), or may be matched with an adaptive support member, and a certain compression amount is preset; in the free state of the shock absorbing member 3, when the loudspeaker 2 in the sound cavity loudspeaker assembly vibrates, the shock absorbing member 3 is compressed by pressure, so that the loudspeaker 2 vibration is relieved; when the damper 3 has a certain compression amount, the vibration of the horn 2 can be reduced by the elasticity generated by the compression amount. The thickness of the shock absorbing member 3 and the preset compression amount can be appropriately selected according to the requirement, and will not be described again.
In some alternative embodiments, to ensure the stability of the installation of the shock absorbing members 3, the bottom surface of the magnetic core assembly 22 of the horn 2 and the corresponding shock absorbing members 3 may be connected in a fixed connection manner; the specific fixing connection mode can be selected appropriately according to the different structures of the specific shock absorbing members 3, for example, when a silica gel gasket is adopted, bonding can be adopted; when the spring piece is adopted, the spring piece can be fixedly connected by welding.
In some alternative embodiments, the acoustic cavity structure 1 may include a base plate 12 and a plurality of side walls 13 connected to the base plate 12, and the acoustic cavity 11 is surrounded by the base plate 12 and the plurality of side walls 13. The shape of the bottom plate 12, the number of the side walls 13, and the like can be appropriately selected according to the shape of the acoustic cavity 11 to be obtained; for example, the bottom plate 12 may be approximately square, and the number of the side walls 13 is four, so that the side walls 13 and the bottom plate 12 enclose an approximately square sound cavity 11 as shown in fig. 1; for another example, the bottom plate 12 may be approximately rectangular, and the number of the side walls 13 is four, so that the side walls 13 and the bottom plate 12 enclose an approximately rectangular sound cavity 11 as shown in fig. 2 and 3.
Further, in the sound cavity horn assembly of the present application, the damper 3 may be disposed on the bottom surface of the magnetic core assembly 22 in a variety of suitable manners; for example, a supporting member may be further provided to support, or the sound cavity structure 1 opposite to the bottom surface of the magnetic core assembly 22 of the loudspeaker 2 may be supported, or the bottom surface of the magnetic core assembly 22 of another loudspeaker 2 may be supported, which is disposed oppositely, and other manners will not be described herein.
The three above-described supporting modes of the shock absorbing member 3 will be further described in detail below.
As shown in fig. 1, in an embodiment of the first aspect of the present application, the sound cavity horn assembly may further include a first support member 4, where the first support member 4 may be fixedly disposed on the sound cavity structure 1, and support the damper 3 on the bottom surface of the magnetic core assembly 22. More specifically, the first support 4 may be fixedly arranged on the bottom plate 12 of the specific sound cavity structure 1.
Further, the sound cavity horn assembly further comprises a second support 5 arranged in the sound cavity 11; the second supporting member 5 may be fixedly disposed on the sound cavity structure 1 and fixedly connected with the first supporting member 4, so that the stability of the first supporting member 4 is stronger. More specifically, the second support 5 may be fixedly provided on the bottom plate 12 of the specific sound cavity structure 1.
In some alternative embodiments, the number of speakers 2 in the sound cavity 11 is more than two; at least one pair of horns is included, each pair comprising two horns 2, the two horns 2 being disposed opposite the bottom surface of the core assembly 22 by the bottom surface of the core assembly 22 (180 ° back-to-back as shown in fig. 1).
Further, in each pair of horn pairs, the first support 4 between two horns 2 may have at least two options; first, the shock absorbing member 3 on the bottom surface of the magnetic core assembly 22 of each horn 2 is supported by one first supporting member 4, that is, two first supporting members 4 as shown in fig. 1 are provided between two horns 2; second, the two shock absorbing members 3 are supported by the same first support member 4, i.e. only one first support member 4 needs to be provided between the two horns 2.
Correspondingly, in the first case described above, the second support 5 may be located between the two first supports 4 and fixedly connected to the two first supports 4, respectively.
In some alternative embodiments, the first support 4 may have a straight plate shape and be vertically fixed to the bottom plate 12; wherein the shock absorbing member 3 may be fixedly provided on one of the plate surfaces of the first supporting member 4. Likewise, the second support 5 may have a straight plate shape and be vertically fixed to the bottom plate 12. Especially, when only one first supporting member 4 is disposed between the two external magnetic horns 2, the second supporting member 5 may be fixedly connected with one plate surface of the two first supporting members 4 opposite to the shock absorbing member 3, so that the supporting effect is better.
In some alternative embodiments, the first support 4 and the second support 5, the first support 4 and the sound cavity structure 1, the second support 5 and the sound cavity structure 1, and the first support 4, the second support 5 and the sound cavity structure 1 may be selected as integral forming components according to requirements; the detachable connection mode can also be selected according to the requirement, such as a bolt connection, a snap-in connection and the like.
In another embodiment of the first aspect of the present application, as shown in fig. 2 and 3, the damper 3 is supported by the sound cavity structure 1 facing the bottom surface of the magnetic core assembly 22 of the adapted horn 2.
Specifically, a damper 3 is provided between the bottom surface of the magnetic core assembly 22 of the horn 2 and the sound cavity structure 1 facing the bottom surface of the magnetic core assembly 22, one side (see left side in fig. 2) of the damper 3 is connected to the bottom surface of the magnetic core assembly 22, and the other side (see right side in fig. 2) is connected to the sound cavity structure 1. More specifically, the side of the damper 3 connected to the sound cavity structure 1 is connected to the side wall 13 of the sound cavity structure 1.
In yet another embodiment of the first aspect of the present application, as shown in fig. 4, when at least one pair of horn pairs is included in the sound chamber 11, the damper 3 is disposed between two horns 2 disposed 180 ° back-to-back, wherein one side of the damper 3 (see left side of the damper 3 shown in fig. 4) is connected to the bottom surface of the core assembly 22 of one horn 2 on the corresponding side, and the other side of the damper 3 (see right side of the damper 3 shown in fig. 4) is connected to the bottom surface of the core assembly 22 of the horn 2 on the corresponding side. That is, the two outer magnetic horns 2 share one damping member 3, no other supporting member is arranged, and the two outer magnetic horns 2 are mutually supported by the bottom surfaces of the two magnetic core assemblies 22.
In a second aspect of the present application, a sound box is disclosed; the sound box can comprise a sound cavity loudspeaker assembly, wherein the sound cavity loudspeaker assembly comprises a sound cavity structure 1 with a sound cavity 11 formed inside and a loudspeaker 2 arranged in the sound cavity 11; further, the sound cavity speaker assembly of the sound box in this embodiment may be any of the sound cavity speaker assemblies mentioned in the foregoing embodiments or implementations.
It should be noted that, other specific structures of the sound box of the present embodiment may refer to various suitable sound box structures known at present, for example, may include a top cover, a base, etc., and specific structures are not described herein.
In the loudspeaker box in this embodiment, the damping member 3 is disposed at the corresponding position in the loudspeaker assembly of the sound cavity, so that the vibration of the loudspeaker 2 can be relieved by using the elasticity of the damping member 3, thereby reducing the distortion effect of the loudspeaker assembly of the sound cavity caused by the vibration of the loudspeaker 2, and finally reducing the distortion of the loudspeaker box.
The foregoing is merely specific embodiments of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions easily conceivable by those skilled in the art within the technical scope of the present application should be covered in the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims (8)

1. The sound cavity loudspeaker assembly is characterized by comprising a sound cavity structure (1) with a sound cavity (11) formed inside, a loudspeaker (2) arranged in the sound cavity (11) and a shock absorbing piece (3); the loudspeaker (2) comprises a magnetic core assembly (22), and the damping piece (3) is arranged on the bottom surface of the magnetic core assembly (22) and used for absorbing vibration generated by the loudspeaker (2);
the sound cavity (11) comprises at least one pair of horns, each pair of horns comprises two horns (2), and the two horns (2) are arranged in a mode that the bottom surfaces of the two magnetic core assemblies (22) are opposite to the bottom surfaces; the vibration reduction piece (3) is arranged between the two horns (2), one side of the vibration reduction piece (3) is connected with the bottom surface of the magnetic core assembly (22) of one of the horns (2), and the other side of the vibration reduction piece (3) is connected with the bottom surface of the magnetic core assembly (22) of the other horn (2) so as to reduce the distortion effect of the sound cavity horn assembly caused by vibration of the horns (2); wherein the loudspeaker (2) is an external magnetic loudspeaker;
the shock absorbing member (3) includes one of the following structures: a spring or a spring assembly composed of more than two springs, a spring piece or a spring piece assembly composed of more than two spring pieces, a silica gel gasket or a gasket assembly composed of more than two silica gel gaskets, and a rubber gasket or a gasket assembly composed of more than two rubber gaskets;
the sound cavity loudspeaker assembly further comprises a first supporting piece (4) which is positioned in the sound cavity (11) and arranged on the sound cavity structure (1), and the damping piece (3) is supported and arranged on the bottom surface of the magnetic core assembly (22) through the first supporting piece (4);
the sound cavity loudspeaker assembly further comprises second supporting pieces (5), wherein the second supporting pieces (5) are located between the two first supporting pieces (4) of each loudspeaker pair, and are respectively connected with the two first supporting pieces (4).
2. The acoustic horn assembly of claim 1, characterized in that the acoustic chamber (11) comprises at least one pair of horns, each pair comprising two horns (2), the two horns (2) being arranged with the bottom surface of the two magnetic core assemblies (22) opposite the bottom surface.
3. The acoustic horn assembly of claim 2 wherein the shock absorbing member (3) of the bottom surface of the core assembly (22) of each horn (2) is supported by one of the first support members (4) in each pair of the horn pairs.
4. The sound cavity loudspeaker assembly according to claim 1, wherein the sound cavity structure (1) comprises a bottom plate (12) and a plurality of side walls (13) connected to the bottom plate (12), the bottom plate (12) and the plurality of side walls (13) enclosing the sound cavity (11); wherein the method comprises the steps of
The first support (4) and the second support (5) are both arranged on the base plate (12).
5. The acoustic horn assembly according to claim 2, characterized in that in each pair of said horn pairs, two of said shock absorbing members provided on the bottom surfaces of the core assemblies (22) of two of said horns (2) are supported by the same one of said first support members (4).
6. The sound cavity loudspeaker assembly according to claim 1, wherein the shock absorbing member (3) is disposed between the bottom surface of the magnetic core assembly (22) of the loudspeaker (2) and the sound cavity structure (1) opposite to the bottom surface of the magnetic core assembly (22), one side of the shock absorbing member (3) is connected with the bottom surface of the magnetic core assembly (22), and the other side is connected with the sound cavity structure (1).
7. The sound cavity loudspeaker assembly according to any one of claims 1-6, wherein the shock absorbing member (3) is fixedly connected to the bottom surface of the magnetic core assembly (22) of the loudspeaker (2).
8. A loudspeaker box comprising a sound cavity loudspeaker assembly comprising a sound cavity structure (1) with a sound cavity (11) formed therein and a loudspeaker (2) arranged in the sound cavity (11), characterized in that the sound cavity loudspeaker assembly adopts the sound cavity loudspeaker assembly according to any one of claims 1-7.
CN201910017232.0A 2019-01-08 2019-01-08 Sound cavity loudspeaker assembly and sound box Active CN109525926B (en)

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CN212125003U (en) * 2020-02-25 2020-12-11 瑞声科技(新加坡)有限公司 Automobile

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