CN217011183U - Double magnetic loudspeaker unit - Google Patents
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- CN217011183U CN217011183U CN202220901916.4U CN202220901916U CN217011183U CN 217011183 U CN217011183 U CN 217011183U CN 202220901916 U CN202220901916 U CN 202220901916U CN 217011183 U CN217011183 U CN 217011183U
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Abstract
The utility model discloses a dual-magnetic loudspeaker unit, which comprises a structure main body, wherein the structure main body comprises a support, and a third generation T-shaped sound cavity, a dual-magnet structure and a dual-magnetic-pole plate structure are arranged in the support; the double-magnet structure comprises a group of outer magnets symmetrically arranged in the support and an inner magnet arranged on one side of the outer magnets, and a voice coil central sound cavity is arranged between the inner magnets and the outer magnets; the double-pole-plate structure comprises outer magnetic pole plates symmetrically arranged on the upper end face of the outer magnetic stone and inner magnetic pole plates arranged on the upper end face of the inner magnetic stone, yoke-type magnetic conduction plates are connected to the bottom faces of the inner magnetic stone and the outer magnetic stone, grooves are formed in the inner magnetic pole plates and the outer magnetic pole plates, voice coils are installed in the grooves, vibrating diaphragm edge sound cavities are connected to the upper end faces of the inner magnetic pole plates and the upper end faces of the outer magnetic pole plates, ball top sound cavities are arranged in the middle of the tops of the vibrating diaphragm edge sound cavities, and vibrating sound films are arranged on two sides of the ball top sound cavities.
Description
Technical Field
The utility model relates to the technical field of loudspeakers, in particular to a dual-magnetic loudspeaker unit.
Background
The loudspeaker is a transducer for converting an electric signal into an acoustic signal, and the quality of the loudspeaker has great influence on the sound quality. The loudspeaker is the weakest component in the audio equipment, and is the most important component for the audio effect. Loudspeakers are of a wide variety and vary widely in price. The audio frequency electric energy makes the paper cone or the diaphragm vibrate and generate resonance (resonance) with the surrounding air through electromagnetic, piezoelectric or electrostatic effect to make sound. The internal magnetic circuit system of the existing loudspeaker unit is relatively thin, and the loudspeaker unit is difficult to acquire the ultra-high fidelity tone quality level due to the distortion phenomenon generated when an audio signal is used.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model provides a dual-magnetic loudspeaker unit which can effectively solve the problems in the background art.
The technical scheme adopted by the utility model for solving the technical problems is as follows:
the double-magnetic loudspeaker unit comprises a structure main body, wherein the structure main body comprises a support, a third-generation T-shaped sound cavity, a double-magnet structure arranged above the third-generation T-shaped sound cavity and a double-magnetic-pole plate structure arranged above the double-magnet structure are arranged in the support;
the double-magnet structure comprises a group of outer magnets symmetrically arranged in the support and an inner magnet arranged on one side of the outer magnets, a voice coil central sound cavity is arranged between the inner magnets and the outer magnets, the bottom surfaces of the inner magnets and the outer magnets are both connected with yoke type magnetic conduction plates, and first sound conduction holes are formed between adjacent yoke type magnetic conduction plates;
the double-pole magnetic plate structure comprises outer magnetic plates symmetrically arranged on the upper end face of the outer magnetic stone and inner magnetic plates arranged on the upper end face of the inner magnetic stone, grooves are formed in the inner magnetic plates and the outer magnetic plates, voice coils surrounded by the outer magnets and the inner magnetic stones are installed in the grooves, vibrating diaphragm edge sound cavities are connected to the upper end faces of the inner magnetic plates and the outer magnetic plates, a ball top sound cavity is arranged in the middle of the top of the vibrating diaphragm edge sound cavity, and vibrating sound films are arranged on two sides of the ball top sound cavity.
As a further explanation, one end of the yoke type magnetic conduction plate is connected with the outer magnet and the inner magnet, and the other end of the yoke type magnetic conduction plate is connected with the third generation T-shaped sound cavity.
As a further explanation, the two outer magnetic pole plates and the two inner magnetic pole plates are symmetrically arranged in the support, and a second sound guide hole is arranged between the two adjacent inner magnetic pole plates.
As a further explanation, the vibrating sound films are symmetrically arranged on two sides of the top of the sound cavity at the edge of the vibrating diaphragm, and the cross sections of the vibrating sound films and the cross section of the sound cavity at the top of the dome are both arc-shaped.
As a further description, the number of the yoke type magnetic conduction plates is the sum of the numbers of the outer magnets and the inner magnets, and the cross section of the yoke type magnetic conduction plate is rectangular.
As further elaboration, an air damping adjusting net is arranged in the middle of the bottom of the support.
Compared with the prior art, the utility model has the beneficial effects that:
the double-magnetic loudspeaker unit provided by the embodiment simplifies the internal magnetic circuit technology and concentrates magnetic flux; the double-magnetic loudspeaker unit has a brand-new third-generation T-shaped sound cavity, an internal structure and a vibration suppression regulator, and a sound field loop in the brand-new third-generation T-shaped sound cavity can efficiently suppress bad segmentation movement generated when the sound film generates sound and vibrates, so that the distortion phenomenon generated when the sound film reproduces audio signals caused by the segmentation movement is solved and improved, and the ultra-high fidelity sound quality level is obtained; the brand new internal structure can quickly and efficiently transmit the magnetic energy in the magnetic gap to the voice coil, so that the voice coil diaphragm system can more easily capture each fine dynamic moment from the audio signal, the voice coil diaphragm system can respond more sensitively and quickly, the high sensitivity of the loudspeaker for reproducing the audio signal response is ensured, and the high accuracy of reproducing the transient change of the audio signal is ensured; and the arrangement position of the vibration suppression regulator in the third generation T-shaped sound cavity is moved, so that the density of air damping in the sound cavity is changed, the vibration sound film is more balanced and stable in the sound production vibration process, and the occurrence of poor resonance frequency is improved and suppressed.
Drawings
FIG. 1 is a schematic structural diagram of a first preferred embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a second preferred embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a third preferred embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a fourth preferred embodiment of the present invention;
fig. 5 is a schematic structural diagram of a fifth preferred embodiment of the utility model.
Reference numbers in the figures:
1-a support; 2-third generation T-shaped sound cavity; 3-double magnet structure; 4-double magnetic pole plate structure; 5-yoke magnetic conductive plate structure; 6-vibration suppressing regulator structure; 7-external magnet; 8-internal magnet; 9-voice coil central sound cavity; 10-an outer pole plate; 11-an inner pole plate; 12-yoke flux guide plates; 13-a first sound guide hole; 14-a second sound guide hole; 15-a third sound guide hole; 16-a vibration damping conditioner; 17-a voice coil; 18-diaphragm edge sound cavity; 19-dome sound cavity; 20-a vibrating sound membrane; 21-air damping adjusting net.
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.
Referring to fig. 1, a specific structure of a first preferred embodiment of the present invention is shown;
the double-magnetic loudspeaker unit comprises a structure main body, wherein the structure main body comprises a support 1, a third-generation T-shaped sound cavity 2, a double-magnet structure 3 arranged above the third-generation T-shaped sound cavity 2 and a double-magnetic-pole-plate structure 4 arranged above the double-magnet structure 3 are arranged in the support 1;
the double-magnet structure 3 comprises a group of outer magnets 7 symmetrically arranged in the support 1 and an inner magnet 8 arranged on one side of the outer magnets 7, a voice coil central sound cavity 9 is arranged between the inner magnets 8 and the outer magnets 7, the bottom surfaces of the inner magnets 8 and the outer magnets 7 are both connected with yoke type magnetic conduction plates 12, and first sound conduction holes 13 are arranged between the adjacent yoke type magnetic conduction plates 12;
the double-pole-plate structure 4 comprises outer magnetic pole plates 10 symmetrically arranged on the upper end face of an outer magnet 7 and inner magnetic pole plates 11 symmetrically arranged on the upper end face of an inner magnet 8, grooves are formed in the inner magnetic pole plates 11 and the outer magnetic pole plates 10, voice coils 17 surrounded by the outer magnet 7 and the inner magnet 8 are installed in the grooves, vibrating diaphragm edge sound cavities 18 are connected to the upper end faces of the inner magnetic pole plates 11 and the outer magnetic pole plates 10, a ball top sound cavity 19 is arranged in the middle of the top of each vibrating diaphragm edge sound cavity 18, and vibrating sound films 20 are arranged on two sides of each ball top sound cavity 19.
One end of the yoke type magnetic conduction plate 12 is connected with the outer magnet 7 and the inner magnet 8, and the other end of the yoke type magnetic conduction plate 12 is connected with the third generation T-shaped sound cavity 2.
The two outer magnetic pole plates 10 and the two inner magnetic pole plates 11 are symmetrically arranged in the support 1, and a second sound guide hole 14 is arranged between the two adjacent inner magnetic pole plates 11.
The vibrating sound film 20 is symmetrically arranged on two sides of the top of the sound cavity 18 at the edge of the vibrating film, and the cross sections of the vibrating sound film 20 and the cross sections of the sound cavity 19 at the top of the ball are arc-shaped.
The number of the yoke type magnetic conduction plates 12 is the sum of the number of the outer magnets 7 and the number of the inner magnets 8, and the cross section of each yoke type magnetic conduction plate 12 is rectangular.
An air damping adjusting net 21 is arranged at the middle position of the bottom of the support 1.
The dual-magnetic speaker unit provided in this embodiment adopts a completely new third generation T-shaped sound cavity 2 design, which is an independent sound cavity formed between the support 1 and the yoke-type magnetic conduction plate 12, and can make the air pressures in the dome sound cavity 19 and the diaphragm edge sound cavity 18 circularly intercommunicate and complement through the sound conduction hole, so as to generate a new sound field loop; in sound quality reproduction, a brand-new sound field loop in the third generation T-shaped sound cavity 2 can effectively inhibit bad segmentation motion generated when a sound film generates sound and vibrates, so that the distortion phenomenon generated when the sound film reproduces audio signals and caused by the segmentation motion is solved and improved, and the ultra-high fidelity sound quality level is obtained;
the design of a double-magnetic pole structure is adopted, the voice coil 17 is positioned in the grooves of the inner magnetic pole plate 11 and the outer magnetic pole plate 10, the voice coil 17 obtains magnetic field power required by magnetic energy driving of the loudspeaker through the magnetic pole plates and the yoke type magnetic conduction plate 12, and the vibration radian of the vibration sound film 20 is more natural and full in the process of converting the magnetic energy into the sound energy of the voice coil 17 and the vibration sound film 20;
the structure design of adopting two magnets, voice coil 17 is encircleed by the inboard magnet that reaches the voice coil 17 outside of voice coil 17, in the magnetic gap space of the inside and outside both sides of voice coil 17, forms a stable intensive magnetic force line of force magnetic field of embracing, lets voice coil 17 provide the required magnetic energy of vibration sound diaphragm 20 more sufficient steady to make vibration sound diaphragm 20 more thorough when doing the vocal vibration, obtain the signal of sound at ultralow frequency channel and high frequency channel and reappear.
FIG. 2 shows a detailed structure of a second preferred embodiment of the present invention;
the double-magnetic loudspeaker unit comprises a structure main body, wherein the structure main body comprises a support 1, a third-generation T-shaped sound cavity 2, a yoke type magnetic conduction plate 12 structure 5 arranged above the third T-shaped sound cavity and a double-magnet structure 3 arranged above the yoke type magnetic conduction plate 12 structure 5 are arranged in the support 1;
the double-magnet structure 3 comprises a group of outer magnets 7 symmetrically arranged in the support 1 and an inner magnet 8 arranged on one side of the outer magnets 7, and a voice coil central sound cavity 9 is arranged between the inner magnets 8 and the outer magnets 7;
the yoke type magnetic conduction plate 12 structure 5 comprises a yoke type magnetic conduction plate 12 arranged on the bottom surfaces of an outer magnet 7 and an inner magnet 8, and an outer magnetic pole plate 10 and an inner magnetic pole plate 11 arranged on the top surfaces of the outer magnet 7 and the inner magnet 8, wherein grooves are formed in the inner magnetic pole plate 11 and the outer magnetic pole plate 10, voice coils 17 surrounded by the outer magnet 7 and the inner magnet 8 are installed in the grooves, the upper end surfaces of the inner magnetic pole plate 11 and the outer magnetic pole plate 10 are connected with a vibration diaphragm edge sound cavity 18, a ball top sound cavity 19 is arranged in the middle of the top of the vibration diaphragm edge sound cavity 18, and vibration sound diaphragms 20 are arranged on two sides of the ball top sound cavity 19.
One end of each yoke type magnetic conduction plate 12 is connected with the outer magnet 7 and the inner magnet 8, the other end of each yoke type magnetic conduction plate 12 is connected with the third generation T-shaped sound cavity 2, and a first sound conduction hole 13 is formed between every two adjacent yoke type magnetic conduction plates 12.
The two outer magnetic pole plates 10 and the two inner magnetic pole plates 11 are symmetrically arranged in the support 1, and a second sound guide hole 14 is arranged between the two adjacent inner magnetic pole plates 11.
The vibrating sound film 20 is symmetrically arranged on two sides of the top of the sound cavity 18 at the edge of the vibrating film, and the cross sections of the vibrating sound film 20 and the cross section of the sound cavity 19 at the top of the dome are both arc-shaped.
The number of the yoke type magnetic conduction plates 12 is the sum of the number of the outer magnets 7 and the number of the inner magnets 8, the cross section of the yoke type magnetic conduction plate 12 located on the bottom surface of the outer magnets 7 is in a shape like a Chinese character '7', and the cross section of the yoke type magnetic conduction plate 12 located on the bottom surface of the inner magnets 8 is rectangular.
An air damping adjusting net 21 is arranged at the middle position of the bottom of the support 1.
The double-magnet loudspeaker unit provided by the embodiment adopts the design of the double-magnet structure 3, the outer magnet 7 and the inner magnet 8 are respectively arranged at the outer side and the inner side of the voice coil 17, the voice coil 17 is surrounded by the outer magnet 7 and the inner magnet 8, and the outer magnetic pole plate 10 and the inner magnetic pole plate enable the voice coil 17 to obtain the most original and most direct strong power which is more than the magnetic energy drive of a common loudspeaker in a double mode. The vibration radian of the vibration sound film 20 can be more natural and full in the process of converting the magnetic energy into the sound energy by the voice coil 17 and the vibration sound film 20;
by adopting a brand-new yoke type magnetic conduction plate 12 structure 5 design, the magnetic energy in a magnetic gap is quickly and efficiently transmitted to the voice coil 17, so that a vibrating diaphragm system of the voice coil 17 can more easily capture each fine dynamic moment from an audio signal, the vibrating diaphragm system of the voice coil 17 can respond more sensitively and quickly, the high sensitivity of the loudspeaker in response to the reproduced audio signal is ensured, and the high accuracy of transient change of the reproduced audio signal is ensured;
a brand-new third-generation T-shaped sound cavity 2 design is adopted, and an independent sound cavity is formed between the support 1 and the yoke type magnetic conduction plate 12; through the sound guide holes, the air pressures in the ball top sound cavity 19, the sound cavity 18 at the edge of the diaphragm and the sound cavity 9 at the center of the coil can be circularly communicated and complemented, and a new sound field loop is generated. In sound quality reproduction, a sound field loop in the third generation T-shaped sound cavity 2 can effectively inhibit poor segmentation motion generated when a sound film generates sound and vibrates, so that the distortion phenomenon generated when the sound film reproduces an audio signal caused by the segmentation motion is solved and improved, and the ultra-high fidelity sound quality level is obtained.
FIG. 3 shows a detailed structure of a third preferred embodiment of the present invention;
the double-magnetic loudspeaker unit comprises a structural main body, wherein the structural main body comprises a support 1, a third-generation T-shaped sound cavity 2, vibration suppression regulator structures 6 arranged on two sides of the third T-shaped sound cavity and a double-magnet structure 3 arranged above the vibration suppression regulator structures 6 are arranged in the support 1;
the double-magnet structure 3 comprises a group of outer magnets 7 symmetrically arranged in the support 1 and an inner magnet 8 arranged on one side of the outer magnets 7, and a voice coil central sound cavity 9 is arranged between the inner magnets 8 and the outer magnets 7;
the vibration suppression regulator structure 6 comprises vibration suppression regulators 16 symmetrically arranged at two sides of a third generation T-shaped sound cavity 2, the vibration adjuster 16 can change the space of the sound cavity by moving the placing position in the third strip T-shaped sound cavity 2, yoke type magnetic conduction plates 12 are arranged above the vibration suppression regulator 16 and above the inner magnet 8, a first sound conduction hole 13 is arranged between the adjacent yoke type magnetic conduction plates 12, outer magnetic pole plates 10 and inner magnetic pole plates 11 on the top surfaces of the outer magnets 7 and the inner magnets 8, grooves are formed in the inner magnetic pole plates 11 and the outer magnetic pole plates 10, a voice coil 17 surrounded by the outer magnet 7 and the inner magnet 8 is arranged in the groove, the upper end surfaces of the inner magnetic pole plate 11 and the outer magnetic pole plate 10 are connected with a vibrating diaphragm edge sound cavity 18, a ball top sound cavity 19 is arranged in the middle of the top of the sound cavity 18 at the edge of the vibrating diaphragm, and vibrating sound films 20 are arranged on two sides of the ball top sound cavity 19.
One end of the yoke type magnetic conduction plate 12 is connected with the outer magnet 7 and the inner magnet 8, and the other end of the yoke type magnetic conduction plate 12 is connected with the vibration suppression regulator 16 and the third generation T-shaped sound cavity 2.
The two outer magnetic pole plates 10 and the two inner magnetic pole plates 11 are symmetrically arranged in the support 1, and a second sound guide hole 14 is arranged between the two adjacent inner magnetic pole plates 11.
The vibrating sound film 20 is symmetrically arranged on two sides of the top of the sound cavity 18 at the edge of the vibrating film, and the cross sections of the vibrating sound film 20 and the cross sections of the sound cavity 19 at the top of the ball are arc-shaped.
The number of the yoke type magnetic conduction plates 12 is the sum of the number of the outer magnets 7 and the number of the inner magnets 8, and the cross section of each yoke type magnetic conduction plate 12 is rectangular.
An air damping adjusting net 21 is arranged at the middle position of the bottom of the support 1.
The double-magnet loudspeaker unit provided by the embodiment adopts the design of a double-magnet structure 3, the outer magnet 7 and the inner magnet 8 are respectively arranged in the outer side of the voice coil 17 and the inner magnetic conductive plate cavity of the inner side of the voice coil 17, the voice coil 17 is surrounded by the outer magnet 7 and the inner magnet 8, and the voice coil 17 obtains the most original and direct powerful power which is multiple times of the magnetic energy driving of a common loudspeaker through the outer magnetic conductive plate 10 and the inner magnetic conductive plate. The vibration radian of the vibration sound film 20 is more natural and full in the process of converting the magnetic energy into the sound energy of the voice coil 17 and the vibration sound film 20;
the brand-new design of the vibration suppression regulator structure 6 is adopted, and the arrangement position of the vibration suppression regulator 16 in the third generation T-shaped sound cavity 2 is moved, so that the density of air damping in the sound cavity is changed, the vibration sound film 20 is more balanced and stable in the sound production and vibration process, and the occurrence of poor resonance frequency suppression is improved;
a brand-new third-generation T-shaped sound cavity 2 design is adopted, and an independent sound cavity is formed among the support 1, the vibration suppression regulator 16 and the yoke type magnetic conduction plate 12. Through the sound guide holes, the air pressures in the ball top sound cavity 19, the sound cavity 18 at the edge of the diaphragm and the sound cavity 9 at the center of the coil can be circularly communicated and complemented, and a new sound field loop is generated. In sound quality reproduction, a sound field loop in the third generation T-shaped sound cavity 2 can effectively inhibit poor segmentation motion generated when a sound film generates sound and vibrates, so that the distortion phenomenon generated when the sound film reproduces audio signals and caused by the segmentation motion is solved and improved, and the ultra-high fidelity sound quality level is obtained.
Referring to FIG. 4, a detailed structure of a fourth preferred embodiment of the utility model is shown;
the double-magnetic loudspeaker unit comprises a structure main body, wherein the structure main body comprises a support 1, a third-generation T-shaped sound cavity 2, a yoke type magnetic conduction plate 12 structure 5 arranged above the third T-shaped sound cavity and a double-magnet structure 3 arranged above the yoke type magnetic conduction plate 12 structure 5 are arranged in the support 1;
the double-magnet structure 3 comprises a group of outer magnets 7 symmetrically arranged in the support 1 and an inner magnet 8 arranged on one side of the outer magnets 7, and a voice coil central sound cavity 9 is arranged between the inner magnets 8 and the outer magnets 7;
the yoke type magnetic conduction plate 12 structure 5 comprises a yoke type magnetic conduction plate 12 arranged on the bottom surfaces of an outer magnet 7 and an inner magnet 8, an outer magnetic pole plate 10 and an inner magnetic pole plate 11 arranged on the top surfaces of the outer magnet 7 and the inner magnet 8, grooves are formed in the inner magnetic pole plate 11 and the outer magnetic pole plate 10, voice coils 17 surrounded by the outer magnet 7 and the inner magnet 8 are installed in the grooves, the upper end surfaces of the inner magnetic pole plate 11 and the outer magnetic pole plate 10 are connected with a vibrating diaphragm edge sound cavity 18, a ball top sound cavity 19 is arranged in the middle of the top of the vibrating diaphragm edge sound cavity 18, and vibrating sound films 20 are arranged on two sides of the ball top sound cavity 19.
One end of the yoke type magnetic conduction plate 12 is connected with the outer magnet 7 and the inner magnet 8, and the other end of the yoke type magnetic conduction plate 12 is connected with the third generation T-shaped sound cavity 2.
First sound guide holes 13 are formed between the adjacent yoke type magnetic conduction plates 12, and the first sound guide holes 13 located above the third T-shaped sound cavity extend into the third T-shaped sound cavity.
The two outer magnetic pole plates 10 and the two inner magnetic pole plates 11 are symmetrically arranged in the support 1, and a second sound guide hole 14 is arranged between the two adjacent inner magnetic pole plates 11.
The vibrating sound film 20 is symmetrically arranged on two sides of the top of the sound cavity 18 at the edge of the vibrating film, and the cross sections of the vibrating sound film 20 and the cross section of the sound cavity 19 at the top of the dome are both arc-shaped.
The number of the yoke type magnetic conduction plates 12 is the sum of the number of the outer magnets 7 and the number of the inner magnets 8, the cross section of the yoke type magnetic conduction plate 12 located on the bottom surface of the outer magnets 7 is rectangular, the cross section of the yoke type magnetic conduction plate 12 located on the bottom surface of the inner magnets 8 is 7-shaped, and in addition, the bottom surface of the yoke type magnetic conduction plate 12 is provided with a third sound conduction hole 15.
An air damping adjusting net 21 is arranged at the middle position of the bottom of the support 1.
The double-magnet loudspeaker unit provided by the embodiment adopts the design of the double-magnet structure 3, the outer magnet 7 and the inner magnet 8 are respectively arranged at the outer side and the inner side of the voice coil 17, the voice coil 17 is surrounded by the outer magnet 7 and the inner magnet 8, the voice coil 17 obtains the most original and most direct powerful power which is more than the magnetic energy drive of a common loudspeaker by doubling through the outer magnetic pole plate 10 and the inner magnetic pole plate, and the vibration radian of the vibration sound film 20 is more natural and full in the process of converting the magnetic energy into the sound energy by the voice coil 17 and the vibration sound film 20;
by adopting a brand-new yoke type magnetic conduction plate 12 structure 5 design, the magnetic energy in a magnetic gap is quickly and efficiently transmitted to the voice coil 17, so that a vibrating diaphragm system of the voice coil 17 can more easily capture each fine dynamic moment from an audio signal, the vibrating diaphragm system of the voice coil 17 can respond more sensitively and quickly, the high sensitivity of the loudspeaker in response to the reproduced audio signal is ensured, and the high accuracy of transient change of the reproduced audio signal is ensured;
a brand-new third-generation T-shaped sound cavity 2 design is adopted, and an independent sound cavity is formed between the support 1 and the yoke type magnetic conduction plate 12. Through the sound guide hole, the air pressures in the ball top sound cavity 19, the sound cavity 18 at the edge of the diaphragm and the sound cavity 9 in the center of the voice coil can be circularly communicated and complemented, and a new sound field loop is generated. In sound quality reproduction, a sound field loop in the third generation T-shaped sound cavity 2 can effectively inhibit poor segmentation motion generated when a sound film generates sound and vibrates, so that the distortion phenomenon generated when the sound film reproduces an audio signal caused by the segmentation motion is solved and improved, and the ultra-high fidelity sound quality level is obtained.
Referring to FIG. 5, a specific structure of a fifth preferred embodiment of the present invention is shown;
the double-magnetic loudspeaker unit comprises a structural main body, wherein the structural main body comprises a support 1, a third-generation T-shaped sound cavity 2, a vibration suppression regulator structure 6 arranged in the third-generation T-shaped sound cavity and a double-magnet structure 3 arranged above the vibration suppression regulator structure 6 are arranged in the support 1;
the double-magnet structure 3 comprises a group of outer magnets 7 and an inner magnet 8, the outer magnets 7 are symmetrically arranged inside the support 1, the inner magnet 8 is arranged on one side of the outer magnets 7, a voice coil central sound cavity 9 is arranged between the inner magnets 8 and the outer magnets 7, yoke type magnetic conduction plates 12 are arranged on the bottom surfaces of the outer magnets 7 and the inner magnets 8, outer magnetic pole plates 10 and inner magnetic pole plates 11 are arranged on the top surfaces of the outer magnets 7 and the inner magnets 8, grooves are formed in the inner magnetic pole plates 11 and the outer magnetic pole plates 10, voice coils 17 surrounded by the outer magnets 7 and the inner magnets 8 are installed in the grooves, vibrating diaphragm edge sound cavities 18 are connected to the upper end surfaces of the inner magnetic pole plates 11 and the outer magnetic pole plates 10, a ball top sound cavity 19 is arranged in the middle of the top of the vibrating diaphragm edge sound cavities 18, and vibrating sound films 20 are arranged on two sides of the ball top sound cavities 19.
The vibration suppression regulator structure 6 comprises vibration suppression regulators 16 symmetrically arranged in a third generation T-shaped sound cavity 2, the vibration suppression regulators 16 can change the space of the sound cavity by moving the placing position in the third generation T-shaped sound cavity 2, and third sound guide holes 15 are formed in the upper portion of the vibration suppression regulators 16.
One end of the yoke type magnetic conduction plate 12 is connected with the outer magnet 7 and the inner magnet 8, and the other end of the yoke type magnetic conduction plate 12 is connected with the third generation T-shaped sound cavity 2.
The two outer magnetic pole plates 10 and the two inner magnetic pole plates 11 are symmetrically arranged in the support 1, and a second sound guide hole 14 is arranged between the two adjacent inner magnetic pole plates 11.
The vibrating sound film 20 is symmetrically arranged on two sides of the top of the sound cavity 18 at the edge of the vibrating film, and the cross sections of the vibrating sound film 20 and the cross section of the sound cavity 19 at the top of the dome are both arc-shaped.
The number of the yoke type magnetic conduction plates 12 is the sum of the number of the outer magnets 7 and the number of the inner magnets 8, and the cross section of each yoke type magnetic conduction plate 12 is rectangular.
An air damping adjusting net 21 is arranged at the middle position of the bottom of the support 1.
The double-magnet loudspeaker unit provided by the embodiment adopts the design of a double-magnet structure 3, the outer magnet 7 and the inner magnet 8 are respectively arranged in the outer side of the voice coil 17 and the inner magnetic conductive plate cavity of the inner side of the voice coil 17, the voice coil 17 is surrounded by the outer magnet 7 and the inner magnet 8, and the voice coil 17 obtains the most original and direct powerful power which is multiple times of the magnetic energy driving of a common loudspeaker through the outer magnetic conductive plate 10 and the inner magnetic conductive plate. The vibration radian of the vibration sound film 20 is more natural and full in the process of converting the magnetic energy into the sound energy of the voice coil 17 and the vibration sound film 20;
the brand-new design of the vibration suppression regulator structure 6 is adopted, and the arrangement position of the vibration suppression regulator 16 in the third generation T-shaped sound cavity 2 is moved, so that the density of air damping in the sound cavity is changed, the vibration sound film 20 is more balanced and stable in the sound production and vibration process, and the occurrence of poor resonance frequency suppression is improved;
a brand new third generation T-shaped sound cavity 2 design is adopted, and an independent sound cavity is formed among the support 1, the vibration suppression regulator 16 and the yoke type magnetic conduction plate 12. Through the sound guide holes, the air pressures in the ball top sound cavity 19, the sound cavity 18 at the edge of the diaphragm and the sound cavity 9 at the center of the coil can be circularly communicated and complemented, and a new sound field loop is generated. In sound quality reproduction, a sound field loop in the third generation T-shaped sound cavity 2 can effectively inhibit poor segmentation motion generated when a sound film generates sound and vibrates, so that the distortion phenomenon generated when the sound film reproduces an audio signal caused by the segmentation motion is solved and improved, and the ultra-high fidelity sound quality level is obtained.
In summary, the dual-magnetic speaker unit provided in this embodiment simplifies the internal magnetic circuit technology, and concentrates the magnetic flux; the double-magnetic loudspeaker unit has a brand-new third-generation T-shaped sound cavity 2, an internal structure and a vibration suppression regulator 16, and a sound field loop in the brand-new third-generation T-shaped sound cavity 2 can efficiently suppress bad segmentation movement generated when a sound film generates sound and vibrates, so that the distortion phenomenon generated when the sound film reproduces audio signals caused by the segmentation movement is solved and improved, and the ultra-high fidelity sound quality level is obtained; the brand new internal structure can quickly and efficiently transmit the magnetic energy in the magnetic gap to the voice coil 17, so that each fine dynamic moment from an audio signal can be captured more easily by the voice coil 17 diaphragm system, the voice coil 17 diaphragm system is sensitive and quick in response, the high sensitivity of the loudspeaker for reproducing the audio signal response is ensured, and the high accuracy of reproducing the transient change of the audio signal is ensured; and the placement position of the vibration suppression regulator 16 in the third generation T-shaped sound cavity 2 is moved, so that the density of air damping in the sound cavity is changed, the vibration sound film 20 is more balanced and stable in the sound production and vibration process, and the occurrence of poor resonance frequency suppression is improved.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. A dual magnetic speaker unit, characterized in that: the structure comprises a structure main body, wherein the structure main body comprises a support, a third-generation T-shaped sound cavity, a double-magnet structure arranged above the third-generation T-shaped sound cavity and a double-magnetic-pole plate structure arranged above the double-magnet structure are arranged in the support;
the double-magnet structure comprises a group of outer magnets symmetrically arranged in the support and an inner magnet arranged on one side of the outer magnets, and a voice coil central sound cavity is arranged between the inner magnets and the outer magnets;
the double-pole magnetic plate structure comprises outer magnetic plates symmetrically arranged on the upper end face of the outer magnetic stone and inner magnetic plates symmetrically arranged on the upper end face of the inner magnetic stone, yoke magnetic conductive plates are connected to the bottom faces of the inner magnetic stone and the outer magnetic stone, first sound guide holes are formed between every two adjacent yoke magnetic conductive plates, grooves are formed in the inner magnetic plate and the outer magnetic plate, voice coils surrounded by the outer magnetic stone and the inner magnetic stone are installed in the grooves, the upper end faces of the inner magnetic plate and the outer magnetic plate are connected with vibrating diaphragm edge sound cavities, ball top sound cavities are arranged in the middle of the tops of the vibrating diaphragm edge sound cavities, and vibrating sound films are arranged on two sides of the ball top sound cavities.
2. The dual magnetic speaker unit as recited in claim 1, wherein: one end of the yoke type magnetic conduction plate is connected with the outer magnet and the inner magnet, and the other end of the yoke type magnetic conduction plate is connected with the third generation T-shaped sound cavity.
3. The dual magnetic speaker unit as recited in claim 1, wherein: the two outer magnetic pole plates and the two inner magnetic pole plates are symmetrically arranged in the support, and a second sound guide hole is formed between every two adjacent inner magnetic pole plates.
4. The dual magnetic speaker unit as recited in claim 1, wherein: the vibration sound film is symmetrically arranged on two sides of the top of the sound cavity at the edge of the vibration film, and the cross sections of the vibration sound film and the cross section of the sound cavity at the top of the ball are arc-shaped.
5. The dual magnetic speaker unit as recited in claim 1, wherein: the number of the yoke type magnetic conduction plates is the sum of the number of the outer magnets and the number of the inner magnets, and the cross section of each yoke type magnetic conduction plate is rectangular.
6. The dual magnetic speaker unit as recited in claim 1, wherein: and an air damping adjusting net is arranged in the middle of the bottom of the support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220901916.4U CN217011183U (en) | 2022-04-19 | 2022-04-19 | Double magnetic loudspeaker unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220901916.4U CN217011183U (en) | 2022-04-19 | 2022-04-19 | Double magnetic loudspeaker unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217011183U true CN217011183U (en) | 2022-07-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220901916.4U Active CN217011183U (en) | 2022-04-19 | 2022-04-19 | Double magnetic loudspeaker unit |
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| Country | Link |
|---|---|
| CN (1) | CN217011183U (en) |
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2022
- 2022-04-19 CN CN202220901916.4U patent/CN217011183U/en active Active
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