阅读说明：本技术 一种高振动防音圈位移的扬声器及音圈定位结构 (High-vibration loudspeaker capable of preventing voice coil displacement and voice coil positioning structure ) 是由 钱志华 陈镇 任佳华 郁程飞 于 2021-09-23 设计创作，主要内容包括：本发明公开了一种高振动防音圈位移的扬声器及音圈定位结构,包括音圈、磁体、T形铁、盆架和音盆,音圈包括骨架和线圈,线圈缠绕在骨架的外侧,音圈的外侧设有音圈定位结构,音圈定位结构包括缓冲组件和定芯环件,本发明提出的本高振动防音圈位移的扬声器及音圈定位结构,呈空心圆柱状的骨架整体强度高,同时重量轻,骨架上开设有散热圆孔和散热凹槽,骨架与线圈的连接处粘贴有牛皮纸,这样避免在高震动情况下,线圈发生脱落,音圈定位结构用于给音圈进行定位和缓冲,具体的来说,缓冲组件用于给音圈带来缓冲,避免线圈发生脱落,定芯环件用于给音圈带来定位和散热,高效避免线圈的胶水受热后软化,即音圈定位结构的设置提高音圈的防位移效果。(The invention discloses a loudspeaker and a voice coil positioning structure for preventing displacement of a voice coil by high vibration, which comprises a voice coil, a magnet, a T-shaped iron, a basin frame and a voice basin, wherein the voice coil comprises a framework and a coil, the coil is wound on the outer side of the framework, the outer side of the voice coil is provided with the voice coil positioning structure, and the voice coil positioning structure comprises a buffer component and a fixed core ring piece. The glue of coil is softened after being heated to the high efficiency, and the setting of voice coil loudspeaker voice coil location structure improves the displacement effect of preventing of voice coil loudspeaker voice coil promptly.)

1. The utility model provides a voice coil loudspeaker voice coil location structure of voice coil loudspeaker voice coil displacement is prevented in high vibration, includes voice coil loudspeaker voice coil (1), buffering subassembly (6) and decides core ring spare (7), its characterized in that: the buffer assembly (6) is arranged below the voice coil (1), and the fixed core ring piece (7) is arranged on the outer side of the voice coil (1).

2. A high vibration voice coil positioning structure against coil displacement according to claim 1, wherein: buffer unit (6) are including assembly ring (61), overhanging ring (62), spring (63), backing ring (64) and show position ring (65), the screw thread has been seted up to the inner wall of assembly ring (61), the position ring (65) are shown in the bottom surface installation of assembly ring (61), overhanging ring (62) are installed to the top edge of assembly ring (61), the inboard of overhanging ring (62) is equipped with spring (63) and backing ring (64), backing ring (64) and assembly ring (61) are connected respectively to the upper and lower end of spring (63), backing ring (64) are connected with the inner wall contact of assembly ring (61).

3. A high vibration voice coil positioning structure against coil displacement according to claim 1, wherein: the inner wall and the outer wall of the fixed core ring piece (7) are respectively connected with the voice coil (1) and the fixed core ring piece (7) of the basin frame (4), the fixed core ring piece (7) comprises an annular groove (71) and a heat dissipation plate (72), and the heat dissipation plate (72) is uniformly distributed in the inner cavity of the annular groove (71).

4. A high vibration voice coil positioning structure against coil displacement according to claim 3, wherein: the heat dissipation plate (72) arranged in the inner cavity of the annular groove (71) is wavy.

5. A loudspeaker, characterized by: the high-vibration voice coil displacement-preventing positioning structure comprises a magnet (2), a T-shaped iron (3), a basin frame (4), a voice basin (5) and the high-vibration voice coil displacement-preventing voice coil positioning structure as claimed in any one of claims 1 to 4, and is characterized in that: the voice coil (1) is arranged on the inner side of the basin frame (4), the top end of the basin frame (4) is in contact connection with the sound basin (5), a dust cover (51) is arranged at the center of the cone (5), the cone (5) is also connected with the top end of the voice coil (1), the voice coil (1) comprises a framework (11) and a coil (12), the coil (12) is wound on the outer side of the framework (11), the framework (11) is positioned in the inner cavity of the magnet (2), the upper surface of the magnet (2) is connected with the basin frame (4), the lower surface of the magnet (2) is connected with the T-shaped iron (3), the T-shaped iron (3) extends into the inner side of the voice coil (1), the voice coil (1) is connected with the T-shaped iron (3) through the buffer component (6), wherein, an assembling ring (61) in the buffer component (6) is movably connected with the T-shaped iron (3) in a thread matching way, and the voice coil (1) is connected with the basin frame (4) through a fixed core ring piece (7).

6. A loudspeaker according to claim 5, wherein: the top of basin frame (4) is equipped with clamping ring (41), and the outer wall and the basin frame (4) top edge contact of clamping ring (41), the inward flange and the sound basin (5) of clamping ring (41) are connected.

7. A loudspeaker according to claim 5, wherein: skeleton (11) are hollow cylinder, have seted up heat dissipation round hole (111) on skeleton (11), have seted up evenly distributed vertical decurrent heat dissipation recess (112) simultaneously on the inner wall of skeleton (11), have seted up evenly distributed's wire winding flute on the outer wall of skeleton (11), and skeleton (11) are through this wire winding flute connecting coil (12), and the junction of skeleton (11) and coil (12) is pasted and is had the kraft paper, and the outer wall of skeleton (11) still contacts with annular groove (71).

8. A loudspeaker according to claim 5, wherein: the bottom edge of the position indicating ring (65) is in contact connection with the outer wall of the T-shaped iron (3), and scales are marked on the outer wall of the T-shaped iron (3).

Technical Field

The invention relates to the technical field of loudspeakers, in particular to a loudspeaker with high vibration and voice coil displacement prevention and a voice coil positioning structure.

Background

The voice coil is defined as a coil through which current flows in the speaker, and is an important component of a mechanical wave system of the electrodynamic speaker, namely, the heart of the speaker. The performance of the voice coil affects the sound intensity characteristics, sound intensity level, impedance curve, distortion, transient characteristics, speaker parameters, tone quality, etc. of the speaker, particularly with respect to the power rating and life of the speaker. Just like the fatal factor of heart disease, the damage of a loudspeaker usually starts from a voice coil, the voice coil generally adopts engineering plastics or paper and the like as a framework, the coil is wound by heat-resistant insulated enameled wires, and the coil and the framework are bonded together by glue. When the voice coil of the high-power loudspeaker works, due to the fact that power is high, coil mass is large, vibration stress is large, meanwhile, temperature rise of the coil is also high, glue of the coil is softened after being heated, and at the moment, the coil is prone to displacement or falling off, and the loudspeaker is damaged.

Patent publication No. CN2523162 discloses a voice coil capable of preventing a coil from being loose, which includes a cylindrical voice coil bobbin and a coil wound around a lower portion of the voice coil bobbin. The voice coil is characterized by further comprising a lining ring, a convex edge is arranged at the upper end of the lining ring, a convex edge is also arranged at the lower end of the lining ring, the lining ring is located between the voice coil framework and the coil, the convex edge at the upper end of the lining ring is attached to the upper end face of the coil, and the convex edge at the lower end of the lining ring is attached to the lower end face of the coil. The framework, the lining ring and the coil are bonded by glue. The above patent uses the liner ring to connect the coil into a whole, the liner ring and the frame are adhered in large area, and the combination is firm, so when the input power of the loudspeaker is large and the temperature rise is high, the loudspeaker can still work normally, the voice coil can not generate the fault of coil loosening or falling.

Disclosure of Invention

The invention aims to provide a high-vibration loudspeaker for preventing voice coil displacement and a voice coil positioning structure, and the loudspeaker has the advantages of good buffering and heat dissipation effects, improvement of the anti-displacement effect of the voice coil and prolongation of the service life of the loudspeaker, so as to solve the problems in the background art.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides a voice coil loudspeaker voice coil location structure of voice coil loudspeaker voice coil displacement is prevented in high vibration, includes voice coil loudspeaker voice coil, buffering subassembly and decides the core ring spare, buffering subassembly installation is in the below of voice coil loudspeaker voice coil, decides the core ring spare and installs the outside at the voice coil loudspeaker voice coil.

Furthermore, the buffering assembly comprises an assembling ring, an outward extending ring, a spring, a cushion ring and a position indicating ring, wherein threads are formed in the inner wall of the assembling ring, the position indicating ring is installed on the bottom surface of the assembling ring, the outward extending ring is installed on the top edge of the assembling ring, the spring and the cushion ring are arranged on the inner side of the outward extending ring, the upper end and the lower end of the spring are respectively connected with the cushion ring and the assembling ring, and the cushion ring is in contact connection with the inner wall of the assembling ring.

Furthermore, the inner wall and the outer wall of the fixed core ring piece are respectively connected with the voice coil and the basin frame fixed core ring piece and comprise an annular groove and a heat dissipation plate, and the heat dissipation plate is uniformly distributed in the inner cavity of the annular groove.

Furthermore, the heat dissipation plate arranged in the inner cavity of the annular groove is wavy.

The utility model provides a loudspeaker, includes magnet, T shape iron, basin frame and sound basin and high vibration and prevents the voice coil loudspeaker voice coil location structure of sound ring displacement, the voice coil loudspeaker voice coil is arranged in the inboard of basin frame, and the top and the sound basin contact of basin frame are connected, the center department of sound basin installs the dust cover, and the sound basin still is connected with the top of voice coil loudspeaker voice coil, the voice coil loudspeaker voice coil includes skeleton and coil, and the coil winding is in the outside of skeleton, and the skeleton is located the inner chamber of magnet, and the last surface connection basin frame of magnet, T shape iron are connected to the lower surface of magnet, and the inboard of voice coil loudspeaker voice coil is stretched into to T shape iron, and the voice coil loudspeaker voice coil passes through buffering subassembly and connects T shape iron swing joint, and the ring piece is through centering connection basin frame.

Further, the top of basin frame is equipped with the clamping ring, and the outer wall and the basin frame top edge contact of clamping ring, the inward flange and the sound basin of clamping ring are connected.

Further, the skeleton is hollow cylinder, has seted up the heat dissipation round hole on the skeleton, has seted up evenly distributed vertical decurrent heat dissipation recess simultaneously on the inner wall of skeleton, has seted up evenly distributed's wire winding flute on the outer wall of skeleton, and the skeleton is through this wire winding flute connecting coil, and the junction of skeleton and coil is pasted and is had the kraft paper, and the outer wall of skeleton still contacts with annular groove.

Furthermore, the bottom edge of the position indicating ring is in contact connection with the outer wall of the T-shaped iron, and scales are marked on the outer wall of the T-shaped iron.

Compared with the prior art, the invention has the beneficial effects that: according to the high-vibration loudspeaker capable of preventing voice coil displacement and the voice coil positioning structure, the voice coil is arranged on the inner side of the basin frame, the coil in the voice coil is wound on the outer side of the framework, the framework in a hollow cylindrical shape is high in overall strength and light in weight, the framework is provided with the heat dissipation round holes and the heat dissipation grooves, kraft paper is pasted at the joint of the framework and the coil, the coil is prevented from falling off under the condition of high vibration, the voice coil positioning structure is arranged on the outer side of the voice coil and used for positioning and buffering the voice coil, specifically, the buffering assembly is used for buffering the voice coil and preventing the coil from falling off, the fixed core ring piece is used for positioning and dissipating the voice coil, the glue of the coil is prevented from being softened after being heated, the anti-displacement effect of the voice coil is greatly improved due to the arrangement of the voice coil positioning structure, and the service life of the loudspeaker is prolonged.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic diagram of the installation position of the voice coil structure according to the present invention;

FIG. 3 is an enlarged view of the structure at A of the present invention;

FIG. 4 is a schematic view of a buffer assembly according to the present invention;

FIG. 5 is a schematic structural view of a stationary core ring of the present invention;

FIG. 6 is a schematic view of the annular groove configuration of the present invention;

FIG. 7 is a schematic top view of a stationary core ring of the present invention;

FIG. 8 is a schematic top view of the skeletal structure of the present invention;

fig. 9 is a schematic diagram of the framework structure of the present invention.

In the figure: 1. a voice coil; 11. a framework; 111. a heat dissipation circular hole; 112. a heat dissipation groove; 12. a coil; 2. a magnet; 3. t-shaped iron; 4. a basin stand; 41. pressing a ring; 5. a sound basin; 51. a dust cover; 6. a buffer assembly; 61. assembling a ring; 62. an overhanging ring; 63. a spring; 64. a backing ring; 65. a position indicating ring; 7. a stationary core ring member; 71. an annular groove; 72. a heat sink.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Please refer to fig. 1, a high-vibration voice coil positioning structure for preventing voice coil displacement, the voice coil positioning structure is used for positioning and buffering a voice coil 1, and preventing the voice coil 1 from being damaged under high vibration conditions, the voice coil positioning structure comprises a buffering component 6 and a core fixing ring component 7, the buffering component 6 is installed below the voice coil 1, the voice coil 1 is connected with a T-shaped iron 3 through the buffering component 6, the core fixing ring component 7 is installed at the outer side of the voice coil 1, the voice coil 1 is connected with a basin frame 4 through the core fixing ring component 7, specifically, the buffering component 6 in the voice coil positioning structure is used for buffering the voice coil 1, and the core fixing ring component 7 in the voice coil positioning structure is used for positioning and heat dissipation the voice coil 1.

Referring to fig. 2-4, the cushion assembly 6 includes an assembly ring 61, an outward extending ring 62, a spring 63, a cushion ring 64 and a position indicating ring 65, the inner wall of the assembly ring 61 is provided with threads, the assembly ring 61 is movably connected with the T-shaped iron 3 in a thread fit manner, so that the whole cushion assembly 6 can be easily installed at a tooling position, and is convenient to disassemble and assemble, the position indicating ring 65 is installed on the bottom surface of the assembly ring 61, the outward extending ring 62 is installed on the top edge of the assembly ring 61, the spring 63 and the cushion ring 64 are arranged on the inner side of the outward extending ring 62, the upper end and the lower end of the spring 63 are respectively connected with the cushion ring 64 and the assembly ring 61, the cushion ring 64 is in contact connection with the inner wall of the assembly ring 61, and the cushion ring 64 is also in contact connection with the bottom end of the framework 11; the bottom edge of the position indicating ring 65 is in contact connection with the outer wall of the T-shaped iron 3, scales are marked on the outer wall of the T-shaped iron 3, the position indicating ring 65 is used for displaying the installation height of the whole buffering assembly 6, so that the backing ring 64 can be accurately in contact connection with the bottom end of the framework 11, after the buffering assembly 6 is assembled, under the high-vibration condition, the buffering assembly 6 can buffer the voice coil 1, and the spring 63 serves as a buffering element.

Referring to fig. 5-7, the inner wall and the outer wall of the fixed core ring 7 are respectively connected with the voice coil 1 and the frame 4, the fixed core ring 7 includes an annular groove 71 and a heat dissipation plate 72, the heat dissipation plate 72 is uniformly distributed in the inner cavity of the annular groove 71, the outer wall and the bottom wall of the annular groove 71 are both in contact with the frame 4, the annular groove 71 is also connected with the outer wall of the framework 11, the fixed core ring 7 not only plays a role in positioning, but also plays a role in dissipating heat of the voice coil 1, when the current amount in the voice coil 1 is too large and the passing point time is too long, the temperature rise of the coil 12 is also high, and the fixed core ring 7 is efficient in avoiding the glue of the coil 12 from softening after being heated; the heat dissipation plate 72 installed in the inner cavity of the annular groove 71 is wavy, so that the heat dissipation area is increased, and the heat dissipation effect is improved.

Referring to fig. 1, a loudspeaker comprises a magnet 2, a T-shaped iron 3, a frame 4, a voice cone 5 and a high-vibration voice coil positioning structure for preventing voice coil displacement, wherein the voice coil 1 is arranged on the inner side of the frame 4, the top end of the frame 4 is in contact connection with the voice cone 5, the top end of the frame 4 is provided with a press ring 41, the outer wall of the press ring 41 is in contact with the upper edge of the frame 4, the inner edge of the press ring 41 is connected with the voice cone 5, the press ring 41 is installed to ensure the perfect matching of the frame 4 and the voice cone 5, when a signal current flows in the voice coil 1, the voice coil 1 is subjected to a magnetic force in a magnetic gap to drive the voice cone 5 to vibrate and sound, the center of the voice cone 5 is provided with a dust cover 51, the dust cover 51 has a dust-proof effect to prevent dust from depositing on the inner side of the voice coil 1, the voice cone 5 is also connected with the top end of the voice coil 1, the voice coil 1 comprises a framework 11 and a coil 12, the coil 12 is wound on the outer side of the framework 11, wherein skeleton 11 is as the support piece of coil 12, and skeleton 11 is hollow cylinder, and the skeleton 11 that is hollow cylinder is overall strength high, and light in weight simultaneously, skeleton 11 can also be fine hold coil 12.

Referring to fig. 8-9, a heat dissipation circular hole 111 is formed in the framework 11, a heat dissipation groove 112 which is uniformly distributed and vertically downward is formed in the inner wall of the framework 11, the heat dissipation circular hole 111 and the heat dissipation groove 112 are both used for dissipating heat, winding grooves which are uniformly distributed are formed in the outer wall of the framework 11, the framework 11 is connected with the coil 12 through the winding grooves, kraft paper is pasted at the joint of the framework 11 and the coil 12, so that the coil 12 is prevented from falling off under the high vibration condition, the framework 11 is located in the inner cavity of the magnet 2, the upper surface of the magnet 2 is connected with the basin frame 4, the lower surface of the magnet 2 is connected with the T-shaped iron 3, the T-shaped iron 3 extends into the inner side of the voice coil 1, and the voice coil 1 is provided with a positioning structure on the outer side.

The high-vibration loudspeaker and voice coil positioning structure for preventing voice coil displacement comprises a voice coil 1, a magnet 2, T-shaped iron 3, a basin frame 4 and a voice basin 5, wherein the voice coil 1 is arranged on the inner side of the basin frame 4, the top end of the basin frame 4 is in contact connection with the voice basin 5, and a pressing ring 41 is installed to ensure the perfect matching of the basin frame 4 and the voice basin 5, when the loudspeaker is powered on and works, when signal current flows in the voice coil 1, the voice coil 1 is under the action of magnetic force in a magnetic gap to drive the voice basin 5 to vibrate and sound, the voice basin 5 is also connected with the top end of the voice coil 1, the voice coil 1 comprises a framework 11 and a coil 12, the coil 12 is wound on the outer side of the framework 11, wherein the framework 11 is used as a support piece for the coil 12, the framework 11 is hollow cylindrical, the framework 11 is high in overall strength and light in weight, a heat dissipation round hole 111 and a heat dissipation groove 112 are formed in the framework 11, and the framework 11 is connected with the coil 12 through winding grooves, the kraft paper is pasted with the junction of coil 12 to skeleton 11, avoid like this under the high vibrations condition, coil 12 takes place to drop, the outside of voice coil loudspeaker voice coil 1 is equipped with voice coil loudspeaker voice coil location structure, voice coil loudspeaker voice coil location structure is used for fixing a position and buffering for voice coil loudspeaker voice coil 1, avoid voice coil loudspeaker voice coil 1 to take place to damage under the high vibrations condition, voice coil loudspeaker voice coil location structure includes buffer unit 6 and decides core ring spare 7, voice coil loudspeaker voice coil 1 connects T shape iron 3 through buffer unit 6, voice coil loudspeaker voice coil 1 connects basin frame 4 through deciding core ring spare 7, specifically speaking, buffer unit 6 among the voice coil loudspeaker voice coil location structure is used for bringing the buffering for voice coil loudspeaker voice coil 1, decide core ring spare 7 among the voice coil loudspeaker voice coil location structure and be used for bringing location and heat dissipation for voice coil loudspeaker voice coil 1. Wherein buffer assembly 6 includes assembly ring 61, overhanging ring 62, spring 63, backing ring 64 and position indicating ring 65, assembly ring 61 is through screw-thread fit's mode and T shape iron 3 swing joint, whole buffer assembly 6 can be easily installed the frock position like this, its dismouting is convenient simultaneously, position indicating ring 65 is installed to the bottom surface of assembly ring 61, the base of position indicating ring 65 contacts with the outer wall of T shape iron 3 and is connected, mark on the outer wall of T shape iron 3 has the scale, position indicating ring 65 is used for implementing the mounting height who shows whole buffer assembly 6, the bottom contact that makes backing ring 64 and skeleton 11 that can be accurate like this is connected, wherein buffer assembly 6 assembles the back, under the high shock condition, buffer assembly 6 can play the voice coil 1 and bring the buffering, spring 63 is as the buffer component. The inner wall and the outer wall of the fixed core ring piece 7 are respectively connected with the voice coil 1 and the basin frame 4, the fixed core ring piece 7 comprises an annular groove 71 and a heat dissipation plate 72, the heat dissipation plate 72 is uniformly distributed in the inner cavity of the annular groove 71, the fixed core ring piece 7 not only plays a role in positioning, but also plays a role in dissipating heat of the voice coil 1, wherein when the current amount in the voice coil 1 is too large and the passing point time is too long, the temperature rise of the coil 12 is also high, and the fixed core ring piece 7 effectively prevents glue of the coil 12 from softening after being heated; the heat dissipation plate 72 installed in the inner cavity of the annular groove 71 is wavy, so that the heat dissipation area is increased, and the heat dissipation effect is improved.

In summary, according to the loudspeaker and the voice coil positioning structure for preventing voice coil displacement with high vibration provided by the invention, the voice coil 1 is arranged at the inner side of the frame 4, the coil 12 in the voice coil 1 is wound at the outer side of the framework 11, the framework 11 in a hollow cylindrical shape has high overall strength and light weight, the framework 11 is provided with the heat dissipation round hole 111 and the heat dissipation groove 112, kraft paper is pasted at the joint of the framework 11 and the coil 12, so that the coil 12 is prevented from falling off under the condition of high vibration, the voice coil positioning structure is arranged at the outer side of the voice coil 1 and is used for positioning and buffering the voice coil 1, in particular, the buffering assembly 6 is used for buffering the voice coil 1 and preventing the coil 12 from falling off, the fixed core ring 7 is used for positioning and dissipating heat of the voice coil 1, the glue of the coil 12 is effectively prevented from softening after being heated, and the anti-displacement effect of the voice coil is greatly improved due to the arrangement of the voice coil positioning structure, and simultaneously, the service life of the loudspeaker is prolonged.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.