CN107277713B - Loudspeaker with acoustic cavity - Google Patents
Loudspeaker with acoustic cavity Download PDFInfo
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- CN107277713B CN107277713B CN201710547987.2A CN201710547987A CN107277713B CN 107277713 B CN107277713 B CN 107277713B CN 201710547987 A CN201710547987 A CN 201710547987A CN 107277713 B CN107277713 B CN 107277713B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/06—Loudspeakers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2400/00—Loudspeakers
- H04R2400/11—Aspects regarding the frame of loudspeaker transducers
Abstract
The invention discloses a loudspeaker with an acoustic cavity, which relates to the technical field of electronic products and solves the problems that a first cavity 180 DEG and a second cavity 180 DEG form a 360 DEG space through a unique cavity structural design, the space extends outwards from a central point to infinitely generate 360 DEG space sound effect, a 3D space is really achieved, the directions of all phases of a music source are clear, thick and definite, and noise and reflection sound generated by a second vibrating diaphragm are eliminated through unique materials and structures of two vibration reduction films, so that the noise reduction effect is achieved. The main technical scheme of the invention is as follows: the shell comprises a first cavity, a second cavity and a third cavity, and the first cavity, the second cavity and the third cavity are sequentially connected; the vibrating diaphragm assembly comprises a first vibrating diaphragm arranged in the first cavity, a second vibrating diaphragm arranged in the second cavity and a third vibrating diaphragm arranged in the third cavity; the magnetic circuit driving assembly is arranged in the second cavity and comprises a magnetic conduction plate, a magnet and T iron. The invention is mainly used for electronic products.
Description
Technical Field
The invention relates to the technical field of electronic products, in particular to a loudspeaker with an acoustic cavity.
Background
At present, headphones are often used for MP3 walkman, mobile phone, personal Digital Assistant (PDA) or notebook computer, etc. to be used for individual listening, so that the headphones have become one of the important accessories of the current electronic products. Along with the continuous improvement of the sound quality requirements of people, the sound quality effect of the earphone is more and more valued by people. In the prior art, the earphone is generally provided with only one loudspeaker in the shell, and one or two vibrating diaphragms which emit sound are arranged in the loudspeaker, so that the earphone cannot play a role in noise reduction and vibration reduction, and when a user plugs the earphone into an ear or pulls out the ear, the earphone can hear the noise emitted by the loudspeaker sound film of a snap; in addition, the sound of the common loudspeaker in the market is produced from 180 degrees from outside to inside until the sound is condensed into a point, the quality of sound quality is evaluated by the quality of the condensed effect, and the thickness and the phase of music cannot be distinguished. The stereo 3D effect cannot be achieved, so that the loudspeaker in the prior art cannot meet the demands of people. Because the acoustic cavity of the earmuff (i.e. the cavity in which the horn is placed) in the market is designed to be variable, the cavity is rarely designed according to the acoustic principle, so that good sound quality is not achieved.
Disclosure of Invention
In view of this, the embodiment of the invention provides a loudspeaker with an acoustic cavity, which is designed according to the acoustic principle, and is not changed by the change of the earmuff, the change of the earmuff structure can not affect the change of the sound quality, through the unique cavity structure design, the first cavity 180 degrees and the second cavity 180 degrees form 360 degrees of space, and extend outwards and infinitely from a central point, so as to generate 360 degrees of space sound effect, really achieve 3D space, make the directions of each phase of a music source clear, thick and definite, and through the unique materials and structures of the two vibration damping films, eliminate the noise and reflected sound generated by the second vibration diaphragm, and achieve the noise reduction effect.
In order to achieve the above purpose, the present invention mainly provides the following technical solutions:
the embodiment of the invention provides a loudspeaker with an acoustic cavity, which comprises the following components:
the shell comprises a first cavity, a second cavity and a third cavity, wherein the first cavity, the second cavity and the third cavity are sequentially connected, the first cavity and the third cavity are of hemispherical structures, the inner surfaces of the first cavity and the third cavity are of 180-degree arc structures, and a sound outlet is formed in the top end of the hemispherical structure of the first cavity;
the vibrating diaphragm assembly comprises a first vibrating diaphragm arranged in the first cavity, a second vibrating diaphragm arranged in the second cavity and a third vibrating diaphragm arranged in the third cavity, and the second vibrating diaphragm is used for emitting sound;
the magnetic circuit driving assembly is arranged in the second cavity and comprises a magnetic conduction plate, a magnet and T-shaped iron, the second vibrating diaphragm is arranged between the magnetic conduction plate and the first vibrating diaphragm, the magnetic conduction plate is arranged between the magnet and the second vibrating diaphragm, the magnet is arranged between the T-shaped iron and the magnetic conduction plate, the protruding part of the T-shaped iron is positioned in the magnet and the magnetic conduction plate, and the head part of the T-shaped iron is positioned between the third vibrating diaphragm and the magnet;
the second vibrating diaphragm emits sound to be emitted to the inner surface of the first cavity to generate reflection to form first reflection sound, the first reflection sound forms a first focusing point, the first focusing point is pushed out of a sound outlet by the pushing force of the second vibrating diaphragm, and the first vibrating diaphragm is used for absorbing the first reflection sound which is not focused to reduce the noise of the first reflection sound;
the second vibrating diaphragm emits sound to be emitted to the inner surface of the third cavity to generate reflection to form second reflection sound, the second reflection sound forms a second focusing point, the second focusing point collides with air between the third vibrating diaphragm and T iron to generate resonance, the second focusing point after resonance is pushed out of a sound outlet by the driving force of the second vibrating diaphragm, and the third vibrating diaphragm is used for absorbing the second reflection sound without focusing to reduce the noise of the second reflection sound.
As mentioned above, the first diaphragm includes a first through hole disposed in the center of the first diaphragm and a first support frame fixed on the edge of the first diaphragm, and sound emitted by the second diaphragm passes through the first through hole and is emitted to the inner surface of the first cavity to generate reflection, so as to form a first reflection sound, and the first support frame is used for supporting the first diaphragm, so that the first diaphragm vibrates uniformly.
The third vibrating diaphragm is including setting up the second through-hole at third vibrating diaphragm center and fix the second support frame on the third vibrating diaphragm edge, the sound that the second vibrating diaphragm sent passes the second through-hole is to the internal surface of third cavity production reflection, forms the second reflection sound, first support frame is used for supporting the third vibrating diaphragm makes the third vibrating diaphragm vibration is even.
As mentioned before, form the sound insulation gasbag between the first vibrating diaphragm with the second vibrating diaphragm, when taking the acoustical cavity loudspeaker from on the earphone, first vibrating diaphragm is to getting into the interior air pressure of first cavity from the sound outlet and damping and can not make sound, makes the second vibrating diaphragm can not receive air pressure to strike and can not make sound.
As mentioned above, a third through hole is provided in the center of the T-iron, an interlayer space is formed between the T-iron and the third diaphragm, and the second focusing point collides with air in the interlayer space to generate resonance, so as to form a bass effect.
As mentioned above, the materials of the first diaphragm and the third diaphragm are soft silica gel.
As described above, the first support frame and the second support frame are both made of copper rings.
As described above, the magnet is a hollow ring magnet.
As mentioned above, the second diaphragm is provided with a pattern and a coil.
By means of the technical scheme, the loudspeaker with the acoustic cavity has the following advantages:
1. according to the loudspeaker with the acoustic cavity, the first cavity and the third cavity are designed to be of a hemispheroidal structure, the inner surfaces of the first cavity and the third cavity are of an arc-shaped structure of 180 degrees, after the first cavity, the second cavity and the third cavity are sequentially connected, a first cavity hemisphere and a third cavity hemisphere with the inner surfaces of 180 degrees form a 360-degree circle, the loudspeaker with the acoustic cavity is changed from 180 degrees +180 degrees to 360 degrees to omnidirectionally reflect sound emitted by the second diaphragm, and after a focusing point is formed, the sound is emitted by the driving force of the second diaphragm. The invention generates 360-degree space sound effect sense, truly achieves 3D space effect, and according to the acoustic principle, the loudspeaker with the acoustic cavity is not changed by the change of the structure of the eardrum, so that the sound effect style designed by the loudspeaker is not changed consistently, and the sound is extended from the middle point to 360-degree space infinitely by the design of the structure, so that the directions of each phase of a music source are clear, thick and definite, the second vibrating diaphragm only generates sound and musical instrument sound, the bass effect is generated by the resonance of the third vibrating diaphragm, and the different vibrating diaphragms work separately, thereby achieving the three-dimensional 3D effect.
2. According to the loudspeaker with the acoustic cavity, through selecting three diaphragms with different functions and structural materials, noise and reflected sound generated by sound emitted by the second diaphragm of the loudspeaker are eliminated, and a noise reduction effect is achieved, particularly, the adoption of the first diaphragm and the third diaphragm can absorb redundant reflected sound of the second diaphragm, so that the reflected sound is not reflected any more, the first diaphragm can also absorb air pressure entering the first cavity from a sound outlet and cannot emit sound, so that the second diaphragm cannot emit a snap noise under the impact of the air pressure, and the problem that 90% of sound emitted by the loudspeaker sound films of snaps can be heard when the in-ear earphone is plugged into an ear or the ear plug is pulled out in the market is solved.
The foregoing description is only an overview of the present invention, and is intended to provide a better understanding of the present invention, as it is embodied in the following description, with reference to the preferred embodiments of the present invention and the accompanying drawings.
Drawings
FIG. 1 is an exploded view of a loudspeaker structure with an acoustic chamber provided by an embodiment of the present invention;
FIG. 2 is a schematic diagram of a housing structure with an acoustic cavity horn according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a loudspeaker structure with an acoustic chamber according to an embodiment of the present invention.
In the above figures:
1. a housing; 11. a first cavity; 12. a second cavity; 13. a third cavity; 111. a sound outlet; 2. a diaphragm assembly; 21. a first diaphragm; 22. a second diaphragm; 23. a third diaphragm; 3. a magnetic circuit driving assembly; 31. a magnetic conductive plate; 32. a magnet; 33. t iron.
Detailed Description
In order to further describe the technical means and effects adopted for achieving the preset aim of the invention, the following detailed description refers to the specific implementation, structure, characteristics and effects according to the application of the invention with reference to the accompanying drawings and preferred embodiments. In the following description, different "an embodiment" or "an embodiment" do not necessarily refer to the same embodiment. Furthermore, the particular features, structures, or characteristics of one or more embodiments may be combined in any suitable manner.
As shown in fig. 1, 2 and 3, one embodiment of the present invention provides a self-contained acoustic cavity horn, which includes: a housing 1, a diaphragm assembly 2 and a magnetic circuit driving assembly 3, wherein
The shell 1 comprises a first cavity 11, a second cavity 12 and a third cavity 13, wherein the first cavity 11, the second cavity 12 and the third cavity 13 are sequentially connected, the first cavity 11 and the third cavity 13 are of hemispherical structures, the inner surfaces of the first cavity 11 and the inner surface of the third cavity 13 are of 180-degree arc structures, and an audio outlet 111 is formed in the top end of the hemispherical structure of the first cavity 11;
a diaphragm assembly 2 including a first diaphragm 21 disposed in the first chamber 11, a second diaphragm 22 disposed in the second chamber 12, and a third diaphragm 23 disposed in the third chamber 13, the second diaphragm 22 being for emitting sound;
the magnetic circuit driving assembly 3 is arranged in the second cavity 12 and comprises a magnetic conduction plate 31, a magnet 32 and a T-shaped iron 33, the second vibrating diaphragm 22 is arranged between the magnetic conduction plate 31 and the first vibrating diaphragm 21, the magnetic conduction plate 31 is arranged between the magnet 32 and the second vibrating diaphragm 22, the magnet 32 is arranged between the T-shaped iron 33 and the magnetic conduction plate 31, a protruding part of the T-shaped iron 33 is positioned in the magnet 32 and the magnetic conduction plate 31, and the head part of the T-shaped iron 33 is positioned between the third vibrating diaphragm 23 and the magnet 32;
the second diaphragm 22 emits sound to the inner surface of the first cavity 11 to generate reflection, so as to form a first reflection sound, the first reflection sound forms a first focusing point, the first focusing point is pushed out of the sound outlet 111 by the pushing force of the second diaphragm 22, and the first diaphragm 21 is used for absorbing the first reflection sound without focusing, so that noise reduction of the first reflection sound is realized;
the second diaphragm 22 emits sound to be emitted to the inner surface of the third cavity 13 to generate reflection to form second reflection sound, the second reflection sound forms a second focusing point, the second focusing point collides with air between the third diaphragm 23 and the T iron 33 to generate resonance, the second focusing point after resonance is pushed out of the sound outlet 111 by the pushing force of the second diaphragm 22, and the third diaphragm 23 is used for absorbing the second reflection sound without focusing to realize noise reduction of the second reflection sound.
Specifically, the first cavity 11 is in a hemispherical structure, the inner surface of the first cavity is in a 180-degree arc structure, sound emitted by the second diaphragm 22 is reflected back on the 180-degree inner surface of the first cavity 11 to form first reflection sound, in the reflection process, the reflection surface is 180 degrees, the first reflection sound reflected back from the 180-degree inner surface forms a first focusing point, the first focusing point is directly pushed out of a sound outlet due to the pushing force of the second diaphragm, and meanwhile, the first diaphragm 21 absorbs the first reflection sound, so that the first reflection sound is not reflected any more, and the noise reduction effect is achieved; the third cavity 13 has the same function as the first cavity 11, the third cavity 13 is in a hemispherical structure, the inner surface of the third cavity 13 is in a 180-degree arc structure, sound emitted by the second vibrating diaphragm 22 is reflected back on the 180-degree inner surface of the third cavity 13 to form second reflection sound, in the reflection process, the reflection surface is 180 degrees, the second reflection sound reflected back from the 180-degree inner surface forms a second focusing point, the second focusing point collides with air between the third vibrating diaphragm 23 and the T iron 33 to generate resonance to form a bass effect, the bass effect is pushed out of the sound outlet 111 by the pushing force of the second vibrating diaphragm 22, and meanwhile, the third vibrating diaphragm 23 absorbs the second reflection sound to ensure that the second reflection sound is not reflected any more, so that the noise reduction effect is achieved; the sound emitted after the sound is reflected by the third cavity 13 is called as the front brain sound, the sound emitted after the sound is reflected by the first cavity 11 is called as the back brain sound because the front and back 180 degrees are combined together at the back brain part, the 360-degree space sound can be emitted, the omnibearing three-dimensional surrounding sound quality effect is achieved, according to the principle, the sound quality effects of different styles of the front brain sound effect or the back brain sound effect can be respectively designed, and the 360-degree surrounding three-dimensional effect is formed by combining the front brain sound effect and the back brain sound effect.
According to the loudspeaker with the acoustic cavity, the first cavity and the third cavity are designed to be of a hemispheroidal structure, the inner surfaces of the first cavity and the third cavity are of an arc-shaped structure of 180 degrees, after the first cavity, the second cavity and the third cavity are sequentially connected, a first cavity hemisphere and a third cavity hemisphere with the inner surfaces of 180 degrees form a 360-degree circle, the loudspeaker with the acoustic cavity is changed from 180 degrees +180 degrees to 360 degrees to omnidirectionally reflect sound emitted by the second diaphragm, and after a focusing point is formed, the sound is emitted by the driving force of the second diaphragm. The invention generates 360-degree space sound effect sense, truly achieves 3D space effect, and according to the acoustic principle, the loudspeaker with the acoustic cavity is not changed by the change of the structure of the eardrum, so that the sound effect style designed by the loudspeaker is not changed consistently, and the sound is extended from the middle point to 360-degree space infinitely by the design of the structure, so that the directions of each phase of a music source are clear, thick and definite, the second vibrating diaphragm only generates sound and musical instrument sound, the bass effect is generated by the resonance of the third vibrating diaphragm, and the different vibrating diaphragms work separately, thereby achieving the three-dimensional 3D effect.
Further, the first diaphragm 21 includes a first through hole (not shown) disposed in the center of the first diaphragm 21 and a first support frame (not shown) fixed on the edge of the first diaphragm 21 and made of a copper ring, and sound emitted by the second diaphragm 22 passes through the first through hole and is emitted to the inner surface of the first cavity 11 to generate reflection, so as to form a first reflection sound, the first reflection sound forms a first focusing point, the first focusing point is pushed out of the sound outlet 111 by the pushing force of the second diaphragm 22, and the first support frame is used for supporting the first diaphragm 21, so that the first diaphragm 21 vibrates uniformly.
The third diaphragm 23 includes a second through hole (not shown in the figure) disposed at the center of the third diaphragm 23 and a second support frame (not shown in the figure) fixed on the edge of the third diaphragm 23 and made of copper ring, the sound emitted by the second diaphragm 22 passes through the second through hole and is reflected to the inner surface of the third cavity 13 to form a second reflection sound, the second reflection sound forms a second focusing point, the second focusing point collides with air between the third diaphragm 23 and T iron to generate resonance, the second focusing point after resonance is pushed out of the sound outlet 111 by the pushing force of the second diaphragm 22, and the first support frame is used for supporting the third diaphragm 23 to make the third diaphragm 23 vibrate uniformly.
Further, a sound insulation air bag (not shown in the figure) is formed between the first diaphragm 21 and the second diaphragm 22, the first diaphragm 22 dampens the air pressure entering the first cavity 11 from the sound outlet 111 without emitting sound, so that the second diaphragm 22 is not impacted by the air pressure without emitting sound, specifically, when the loudspeaker with the acoustic cavity is used on the earphone, the main function of the first diaphragm 21 is to subtract the pressure of the air when the earphone is inserted into the ear, so that the second diaphragm 22 does not emit sound, because the air pressure is firstly pressed on the first diaphragm 21, the first diaphragm 21 is made of soft silica gel material, the first diaphragm 21 itself is not emitted by the air impact, so that when the air pressure is blocked by the first diaphragm 21, the second diaphragm 22 is not impacted by the air, and the second diaphragm 22 does not emit sound, thereby playing the function of noise reduction.
Further, a third through hole (not shown) is formed in the center of the T-iron 33, an interlayer space is formed between the T-iron 33 and the third diaphragm 23, and the second focusing point collides with air in the interlayer space to generate resonance, so that a bass effect is formed.
Further, the magnet 32 is a hollow ring magnet or other shaped magnet, and the specific embodiment of the present invention is not limited thereto, as long as it can provide a magnetic field, which falls within the scope of the embodiments of the present invention.
Further, in order to make the diaphragms have the most excellent vibration reduction and sound absorption functions, the materials of the first diaphragm 21 and the third diaphragm 23 are soft silica gel, and the first diaphragm and the third diaphragm are made of liquid silicon films through injection molding.
Further, the second diaphragm 22 is a sound-producing diaphragm, which is also a diaphragm commonly used in the market for producing sound, and is provided with a pattern (not shown) and a coil (not shown) thereon as long as the signal air is impacted.
The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. A self-contained acoustic cavity horn, comprising:
the shell (1) comprises a first cavity (11), a second cavity (12) and a third cavity (13), wherein the first cavity (11), the second cavity (12) and the third cavity (13) are sequentially connected, the first cavity (11) and the third cavity (13) are of hemispherical structures, the inner surface of the first cavity (11) and the inner surface of the third cavity (13) are of 180-degree arc structures, and a sound outlet (111) is formed in the top end of the hemispherical structure of the first cavity (11);
a diaphragm assembly (2) comprising a first diaphragm (21) arranged in the first cavity (11), a second diaphragm (22) arranged in the second cavity (12) and a third diaphragm (23) arranged in the third cavity (13), the second diaphragm (22) being adapted to emit sound;
a magnetic circuit driving assembly (3) arranged in the second cavity (12) and comprising a magnetic conduction plate (31), a magnet (32) and a T-shaped iron (33), wherein the second vibrating diaphragm (22) is arranged between the magnetic conduction plate (31) and the first vibrating diaphragm (21), the magnetic conduction plate (31) is arranged between the magnet (32) and the second vibrating diaphragm (22), the magnet (32) is arranged between the T-shaped iron (33) and the magnetic conduction plate (31), a protruding part of the T-shaped iron (33) is positioned in the magnet (32) and the magnetic conduction plate (31), and the head part of the T-shaped iron (33) is positioned between the third vibrating diaphragm (23) and the magnet (32);
the second vibrating diaphragm (22) emits sound to be emitted to the inner surface of the first cavity (11) to generate reflection to form first reflection sound, the first reflection sound forms a first focusing point, the first focusing point is pushed out of a sound outlet (111) by the pushing force of the second vibrating diaphragm (22), and the first vibrating diaphragm (21) is used for absorbing the first reflection sound which is not focused to realize noise reduction of the first reflection sound;
the second vibrating diaphragm (22) emits sound to be shot on the inner surface of the third cavity (13) to generate reflection to form second reflection sound, the second reflection sound forms a second focusing point, the second focusing point collides with air between the third vibrating diaphragm (23) and the T iron to generate resonance, the second focusing point after resonance is pushed out of a sound outlet (111) by the pushing force of the second vibrating diaphragm (22), and the third vibrating diaphragm (23) is used for absorbing the second reflection sound without focusing to realize noise reduction of the second reflection sound;
after the first cavity, the second cavity and the third cavity are sequentially connected, the first cavity hemisphere and the third cavity hemisphere with the inner surfaces of 180 degrees form a 360-degree circle, so that the sound emitted by the second vibrating diaphragm is changed from 180 degrees+180 degrees with the acoustic cavity loudspeaker to 360 degrees for omnibearing reflection, and after a focusing point is formed, the sound outlet is pushed by the second vibrating diaphragm, 360-degree space sound effect sense is generated, and the 3D space effect is really achieved.
2. A self-contained acoustic cavity horn as in claim 1, wherein,
the first vibrating diaphragm (21) comprises a first through hole arranged in the center of the first vibrating diaphragm (21) and a first support frame fixed on the edge of the first vibrating diaphragm (21), sound emitted by the second vibrating diaphragm (22) penetrates through the first through hole and is emitted to the inner surface of the first cavity (11) to generate reflection, so that first reflection sound is formed, and the first support frame is used for supporting the first vibrating diaphragm (21) to enable the first vibrating diaphragm (21) to vibrate uniformly;
the third vibrating diaphragm (23) comprises a second through hole arranged in the center of the third vibrating diaphragm (23) and a second supporting frame fixed on the edge of the third vibrating diaphragm (23), sound emitted by the second vibrating diaphragm (22) passes through the second through hole and is reflected to the inner surface of the third cavity (13) to form second reflected sound, and the second supporting frame is used for supporting the third vibrating diaphragm (23) to enable the third vibrating diaphragm (23) to vibrate uniformly.
3. A self-contained acoustic cavity horn as in claim 2, wherein,
a sound insulation air bag is formed between the first vibrating diaphragm (21) and the second vibrating diaphragm (22), when the loudspeaker with the acoustic cavity is used on the earphone, the first vibrating diaphragm (21) dampens air pressure entering the first cavity (11) from the sound outlet (111) without emitting sound, so that the second vibrating diaphragm (22) cannot be impacted by the air pressure without emitting sound.
4. A self-contained acoustic cavity horn as in claim 2, wherein,
the center of T iron (33) is equipped with a third through-hole, form an intermediate layer space between T iron (33) and third vibrating diaphragm (23), the second focus collides with the air in the intermediate layer space and produces resonance, forms the bass effect.
5. A self-contained acoustic cavity horn as in claim 2, wherein,
the first vibrating diaphragm (21) and the third vibrating diaphragm (23) are made of soft silica gel.
6. A self-contained acoustic cavity horn as in claim 2, wherein,
the first support frame and the second support frame are made of copper rings.
7. A self-contained acoustic cavity horn as in claim 1, wherein,
the magnet (32) is a hollow ring-shaped magnet.
8. A self-contained acoustic cavity horn as in claim 1, wherein,
the second vibrating diaphragm (22) is provided with patterns and coils.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710547987.2A CN107277713B (en) | 2017-07-06 | 2017-07-06 | Loudspeaker with acoustic cavity |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710547987.2A CN107277713B (en) | 2017-07-06 | 2017-07-06 | Loudspeaker with acoustic cavity |
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| CN107277713A CN107277713A (en) | 2017-10-20 |
| CN107277713B true CN107277713B (en) | 2023-06-23 |
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| CN201710547987.2A Active CN107277713B (en) | 2017-07-06 | 2017-07-06 | Loudspeaker with acoustic cavity |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2020227956A1 (en) * | 2019-05-10 | 2020-11-19 | 瑞声声学科技(深圳)有限公司 | Magnetic circuit system and a loudspeaker using same |
| CN111131976B (en) * | 2020-03-05 | 2021-02-26 | 瑞声科技(新加坡)有限公司 | Loudspeaker |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006094453A (en) * | 2004-09-27 | 2006-04-06 | Serika Creations:Kk | Speaker system |
| US7783069B1 (en) * | 2007-05-09 | 2010-08-24 | William John Miller | Ergonomic performance chamber |
| CN203301728U (en) * | 2013-05-18 | 2013-11-20 | 歌尔声学股份有限公司 | Dual-diaphragm loudspeaker module |
| CN205356657U (en) * | 2015-11-26 | 2016-06-29 | 北京百乐图科技有限公司 | 360 all -round vocal bass, middle pitch, high pitch combination loudspeaker |
| CN207720401U (en) * | 2017-07-06 | 2018-08-10 | 深圳市金宏翔电子科技有限公司 | Included acoustics cavity loudspeaker |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8068618B2 (en) * | 2006-01-09 | 2011-11-29 | Vollmer Edward G | Spherical loudspeaker for omnipresent sound reproduction |
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- 2017-07-06 CN CN201710547987.2A patent/CN107277713B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006094453A (en) * | 2004-09-27 | 2006-04-06 | Serika Creations:Kk | Speaker system |
| US7783069B1 (en) * | 2007-05-09 | 2010-08-24 | William John Miller | Ergonomic performance chamber |
| CN203301728U (en) * | 2013-05-18 | 2013-11-20 | 歌尔声学股份有限公司 | Dual-diaphragm loudspeaker module |
| CN205356657U (en) * | 2015-11-26 | 2016-06-29 | 北京百乐图科技有限公司 | 360 all -round vocal bass, middle pitch, high pitch combination loudspeaker |
| CN207720401U (en) * | 2017-07-06 | 2018-08-10 | 深圳市金宏翔电子科技有限公司 | Included acoustics cavity loudspeaker |
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| CN107277713A (en) | 2017-10-20 |
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