CN102547536B - Runway-shaped double-cone speaker - Google Patents

Runway-shaped double-cone speaker Download PDF

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Publication number
CN102547536B
CN102547536B CN201210006007.5A CN201210006007A CN102547536B CN 102547536 B CN102547536 B CN 102547536B CN 201210006007 A CN201210006007 A CN 201210006007A CN 102547536 B CN102547536 B CN 102547536B
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China
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basin
voice coil
main
centre bore
keynote
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CN201210006007.5A
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CN102547536A (en
Inventor
蒋加星
蒋正祥
叶卫华
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Wuxi Jiefu Electroacoustic Co Ltd
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Wuxi Jiefu Electroacoustic Co Ltd
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Abstract

The invention discloses a runway-shaped double-cone speaker, which comprises a cone frame, a magnetic circuit structure, a main cone and an auxiliary cone. The cone frame is provided with a main cone type cavity and an auxiliary cone type cavity, wherein the upper edge of the main cone type cavity is provided with a main edge, the bottom of the main cone type cavity is provided with a main platform, the center of the main platform is depressed downwards to form the auxiliary cone type cavity, the bottom of the auxiliary cone type cavity is provided with an auxiliary platform, and the center of the auxiliary platform is provided with a central hole; the magnetic circuit structure is tightly combined at the bottom of the cone frame, a voice coil in the magnetic circuit structure extends upwards from the central hole of the auxiliary platform into the cone frame, and the top part of the voice coil is provided with a dustproof cap; the outer edge of the main cone is supported on the main edge of the cone frame, and the inner edge of the central hole of the main cone is tightly combined with the outer wall of the voice coil; and the auxiliary cone is arranged just below the main cone, the outer edge of the auxiliary cone is supported on the main platform of the cone frame, and the inner edge of the central hole of the auxiliary cone is tightly combined with the outer wall of the voice coil. The speaker has the advantage that the structure is delicate, compact and reasonable, the low-frequency response properties can be improved effectively, the nonlinear distortion can be reduced, and the sound quality and reliability of the speaker can be improved.

Description

Runway-shaped double-cone speaker
Technical field
The invention belongs to electroacoustic techniques field, relate to a kind of loud speaker, specifically a kind of runway-shaped double-cone speaker with double-tone basin structure.
Background technology
In prior art, the loud speaker that is applied to the application on plate video equipment is generally to adopt infundibulate sound basin to coordinate the structure of locating branch slice, edge at infundibulate sound basin is provided with ring, Yin Pen center offers centre bore, the locating branch slice that offers equally centre bore is arranged on the below of sound basin, voice coil loudspeaker voice coil penetrates the centre bore of sound basin and locating branch slice, and the center bore inner wall of the outer wall of voice coil loudspeaker voice coil and sound basin and locating branch slice is combined closely, thereby forms the vibrational system of loud speaker.Because traditional locating branch slice generally adopts cotton, NOMEX(Fanglun 1313) or the material of cotton and NOMEX blending, it is wavy that section is, in the time of the larger voltage of input, the loud speaker of this kind of vibrational structure exists Oscillation Amplitude little, nonlinear distortion is large, the defects such as recovery capability is poor, and low frequency tonequality is bad.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, provide that a kind of structure is ingenious, the runway-shaped double-cone speaker of compact and reasonable, this loud speaker adopts and a kind ofly substitutes traditional locating branch slice with the similar parts of sound basin structure, be arranged on specially designed basin frame, form double-tone basin structure, can effectively improve LF-response characteristic, reduce nonlinear distortion, improve the tonequality Performance And Reliability of loud speaker.
According to technical scheme provided by the invention: runway-shaped double-cone speaker, comprise and there is the basin frame in basin shape chamber and the magnetic structure with voice coil loudspeaker voice coil, it is characterized in that: described loud speaker also includes keynote basin and secondary sound basin; Described basin has set up a main basin shape chamber and a secondary basin shape chamber, main basin shape chamber identical with secondary basin shape cavity configuration and coaxially arrange, main basin shape chamber upper edge is along being provided with outwards horizontally extending main edge, bottom, main basin shape chamber is main platform, the center of main platform is recessed to form described secondary basin shape chamber downwards, the bottom in secondary basin shape chamber is auxiliary platform, and auxiliary platform center is provided with centre bore; Described magnetic structure is combined closely in the auxiliary platform bottom of basin frame, and the voice coil loudspeaker voice coil in magnetic structure extends upwardly in engagement frame from the centre bore of auxiliary platform, and voice coil loudspeaker voice coil top is provided with dust cap; Described keynote basin center is provided with centre bore, and the outer of keynote basin is supported on the main edge of basin frame, and in the centre bore of keynote basin, combine closely with voice coil loudspeaker voice coil outer wall in edge; Described secondary sound basin is arranged under keynote basin, and Fu Yinpen center is provided with centre bore, and the outer of secondary sound basin is supported on the main platform of basin frame, and in the centre bore of secondary sound basin, combine closely with voice coil loudspeaker voice coil outer wall in edge.
As a further improvement on the present invention, described magnetic structure comprises train wheel bridge, toroidal magnet, T iron and voice coil loudspeaker voice coil, T iron and train wheel bridge are made by magnetic conductive metal material, and T iron center raises up and is formed with stem stem, and the center of train wheel bridge and toroidal magnet is equipped with centre bore; The top upper surface of train wheel bridge and the auxiliary platform of basin frame bottom lower surface are combined closely, toroidal magnet is arranged between train wheel bridge and T iron, toroidal magnet upper surface and train wheel bridge lower surface are combined closely, toroidal magnet lower surface and T iron upper surface are combined closely, and the stem stem at T iron center upwards runs through the centre bore of toroidal magnet and train wheel bridge; Described voice coil loudspeaker voice coil bottom is positioned at the centre bore of toroidal magnet and train wheel bridge and covers stem stem upper end, between voice-coil inwall and stem stem outer wall, leave certain interval, between voice coil loudspeaker voice coil outer wall and centre bore, the centre bore of train wheel bridge and the centre bore of toroidal magnet of basin frame bottom auxiliary platform, all leave certain interval.
As a further improvement on the present invention, described keynote basin comprises keynote basin body, keynote basin body is infundibulate, the centre bore of keynote basin is opened in the center of keynote basin body, the outer of keynote basin body stretches out, forming a circle cross section is the keynote basin ring of arch on circular arc, and the outer of keynote basin ring is supported on the main edge of basin frame; Described main basin shape top of chamber edge is provided with the vertical edge of the master who upwards vertically extends, and main vertical edge is blocked in the outer of described keynote basin ring, outside keynote basin ring, is provided with main flanging, and the master that keynote basin ring banding is fixed on basin frame by main flanging is vertical along upper; Described secondary sound basin comprises secondary sound basin body, secondary sound basin body is for falling infundibulate, the centre bore of secondary sound basin is opened in the center of secondary sound basin body, the outer of secondary sound basin body stretches out, forming a circle cross section is the secondary sound basin ring of arch on circular arc, the outer of secondary sound basin ring is supported on the main platform of basin frame, described secondary basin shape top of chamber edge is provided with the vertical edge of the pair of upwards vertically extending, secondary vertical edge is blocked in the outer of described secondary sound basin ring, outside secondary sound basin ring, be provided with secondary flanging, it is secondary vertical along upper that secondary sound basin ring banding is fixed on basin frame by secondary flanging.
As a further improvement on the present invention, on the main basin shape chamber of described basin frame, main vertical edge, secondary basin shape chamber, secondary vertical edge and auxiliary platform, the shape of centre bore is track type; Centre bore, the centre bore of secondary sound basin and the shape of voice coil loudspeaker voice coil of described keynote basin are track type.
As a further improvement on the present invention, the shape of the stem stem cross section of described T iron, the centre bore of toroidal magnet and the centre bore of train wheel bridge is track type.
As a further improvement on the present invention, the shape of described keynote basin ring, secondary sound basin ring is track type.
As a further improvement on the present invention, described basin frame adopts plastic material high temperature resistant, easy-formation to make.Preferably, described basin frame adopts HIPS high impact polystyrene material to make.
As a further improvement on the present invention, described keynote basin ring, secondary sound basin ring adopt the microcellular foam material of thin thickness, good springiness to make.Preferably, described keynote basin ring, secondary sound basin ring adopt On The Elastic Material of The Thermoplastec Polyurethane to make.
The present invention compared with prior art, advantage is: structure of the present invention is ingenious, compact and reasonable, novel substitute traditional locating branch slice with the similar secondary sound basin structure of sound basin structure by arranging, the outer of keynote basin ring and the master of basin frame are vertical along combining closely, the outer of secondary sound basin ring and the pair of basin frame are vertical along combining closely, can effectively increase the surface area of keynote basin ring and secondary sound basin ring, effectively improve LF-response characteristic, reduce nonlinear distortion, improve the tonequality Performance And Reliability of loud speaker.
Brief description of the drawings
Fig. 1 is the structural representation of the preferred embodiment of the present invention.
Fig. 2 is the stereochemical structure cutaway view of basin frame in Fig. 1.
Description of reference numerals: 1-basin frame, 1a-main edge, the vertical edge of 1b-master, 1c-main platform, the vertical edge of 1d-pair, 1e-auxiliary platform, 2-train wheel bridge, 3-toroidal magnet, 4-T iron, 4a-stem stem, 5-keynote basin, 5a-keynote basin body, 5b-keynote basin ring, 6-main flanging, 7-secondary sound basin, 7a-secondary sound basin body, 7b-secondary sound basin ring, 8-secondary flanging, 9-voice coil loudspeaker voice coil, 10-dust cap.
Embodiment
Below in conjunction with concrete drawings and Examples, the invention will be further described.
As shown in the figure: the runway-shaped double-cone speaker in embodiment is mainly made up of parts such as basin frame 1, train wheel bridge 2, toroidal magnet 3, T iron 4, keynote basin 5, main flanging 6, secondary sound basin 7, secondary flanging 8, voice coil loudspeaker voice coil 9 and dust caps 10.
As shown in Figure 1 and Figure 2, described basin frame 1 is provided with a main basin shape chamber and a secondary basin shape chamber, main basin shape chamber identical with secondary basin shape cavity configuration and coaxially arrange, main basin shape chamber upper edge is along being provided with outwards horizontally extending main edge 1a, bottom, main basin shape chamber is main platform 1c, main platform 1c center is recessed to form described secondary basin shape chamber downwards, and the bottom in secondary basin shape chamber is auxiliary platform 1e, and auxiliary platform 1e center is provided with centre bore; Voice coil loudspeaker voice coil 9 in described magnetic structure extends upwardly in engagement frame 1 from the centre bore of auxiliary platform 1e, is provided with dust cap 10 at voice coil loudspeaker voice coil 9 tops; Described keynote basin 5 centers are provided with centre bore, and the outer of keynote basin 5 is supported on the main edge 1a of basin frame 1, and in the centre bore of keynote basin 5, combine closely with voice coil loudspeaker voice coil 9 outer walls in edge; Described secondary sound basin 7 is arranged under keynote basin 5, and secondary sound basin 7 centers are provided with centre bore, and the outer of secondary sound basin 7 is supported on the main platform 1c of basin frame 1, and in the centre bore of secondary sound basin 7, combine closely with voice coil loudspeaker voice coil 9 outer walls in edge.
As shown in Figure 1, the auxiliary platform 1e bottom that magnetic structure in embodiment is combined closely at basin frame 1, magnetic structure is mainly made up of train wheel bridge 2, toroidal magnet 3, T iron 4 and voice coil loudspeaker voice coil 9, T iron 4 and train wheel bridge 2 are made by magnetic conductive metal material, T iron 4 centers raise up and are formed with stem stem 4a, and the center of train wheel bridge 2 and toroidal magnet 3 is equipped with centre bore; The top upper surface of train wheel bridge 2 and the auxiliary platform 1e of basin frame 1 bottom lower surface are combined closely, toroidal magnet 3 is arranged between train wheel bridge 2 and T iron 4, toroidal magnet 3 upper surfaces and train wheel bridge 2 lower surfaces are combined closely, toroidal magnet 3 lower surfaces and T iron 4 upper surfaces are combined closely, and the stem stem 4a at T iron 4 centers upwards runs through the centre bore of toroidal magnet 3 and train wheel bridge 2; Described voice coil loudspeaker voice coil 9 bottoms are positioned at the centre bore of toroidal magnet 3 and train wheel bridge 2 and cover stem stem 4a upper end, between voice coil loudspeaker voice coil 9 inwalls and stem stem 4a outer wall, leave certain interval, between voice coil loudspeaker voice coil 9 outer walls and centre bore, the centre bore of train wheel bridge 2 and the centre bore of toroidal magnet 3 of basin frame 1 bottom auxiliary platform 1e, all leave certain interval.
As shown in Figure 1, described keynote basin 5 is mainly made up of keynote basin body 5a and keynote basin ring 5b, keynote basin body 5a is infundibulate, the centre bore of keynote basin 5 is opened in keynote basin body 5a center, the outer of keynote basin body 5a stretches out, forming a circle cross section is the keynote basin ring 5b of arch on circular arc, and the outer of keynote basin ring 5b is supported on the main edge 1a of basin frame 1, it is vertical along 1b that described main basin shape top of chamber edge is provided with the master who upwards vertically extends, the main vertical thickness that is less than basin frame 1 along the thickness of 1b, the outer of described keynote basin ring 5b is blocked main vertical along 1b, outside keynote basin ring 5b, be provided with main flanging 6, the master that keynote basin ring 5b banding is fixed on basin frame 1 by main flanging 6 is vertical along on 1b, described secondary sound basin 7 is mainly made up of secondary sound basin body 7a and secondary sound basin ring 7b, secondary sound basin body 7a is for falling infundibulate, the centre bore of secondary sound basin 7 is opened in secondary sound basin body 7a center, the outer of secondary sound basin body 7a stretches out, forming a circle cross section is the secondary sound basin ring 7b of arch on circular arc, the outer of secondary sound basin ring 7b is supported on the main platform 1c of basin frame 1, it is vertical along 1d that described secondary basin shape top of chamber edge is provided with the pair of upwards vertically extending, the secondary vertical thickness that is also less than basin frame 1 along the thickness of 1d, the outer of described secondary sound basin ring 7b is blocked secondary vertical along 1d, outside secondary sound basin ring 7b, be provided with secondary flanging 8, it is secondary vertical along on 1d that secondary sound basin ring 7b banding is fixed on basin frame 1 by secondary flanging 8.
As shown in Figure 1 and Figure 2, the main basin shape chamber of described basin frame 1, main standing along 1b, secondary basin shape chamber, the secondary vertical shape along 1d and the upper centre bore of auxiliary platform 1e are track type.Correspondingly, the centre bore of the centre bore of described keynote basin 5, secondary sound basin 7 and the shape of voice coil loudspeaker voice coil 9 are track type.The shape of stem stem 4a cross section, the centre bore of toroidal magnet 3 and the centre bore of train wheel bridge 2 of described T iron 4 is track type.The shape of described keynote basin ring 5b, secondary sound basin ring 7b is track type.
In the present invention, that described basin frame 1 preferably adopts is high temperature resistant, the plastic material of easy-formation is made as HIPS high impact polystyrene material.The microcellular foam material that described keynote basin ring 5b, secondary sound basin ring 7b preferably adopt thin thickness, good springiness is made as On The Elastic Material of The Thermoplastec Polyurethane.

Claims (1)

1. runway-shaped double-cone speaker, comprises and has the basin frame (1) in basin shape chamber and the magnetic structure with voice coil loudspeaker voice coil (9), it is characterized in that: described loud speaker also includes keynote basin (5) and secondary sound basin (7); Described basin frame (1) is provided with a main basin shape chamber and a secondary basin shape chamber, main basin shape chamber identical with secondary basin shape cavity configuration and coaxially arrange, main basin shape chamber upper edge is along being provided with outwards horizontally extending main edge (1a), bottom, main basin shape chamber is main platform (1c), the center of main platform (1c) is recessed to form described secondary basin shape chamber downwards, the bottom in secondary basin shape chamber is auxiliary platform (1e), and auxiliary platform (1e) center is provided with centre bore; Described magnetic structure is combined closely in the auxiliary platform of basin frame (1) (1e) bottom, and the voice coil loudspeaker voice coil (9) in magnetic structure extends upwardly in engagement frame (1) from the centre bore of auxiliary platform (1e), is provided with dust cap (10) at voice coil loudspeaker voice coil (9) top; Described keynote basin (5) center is provided with centre bore, and the outer of keynote basin (5) is supported on the main edge (1a) of basin frame (1), and in the centre bore of keynote basin (5), combine closely with voice coil loudspeaker voice coil (9) outer wall in edge; Described secondary sound basin (7) is arranged under keynote basin (5), secondary sound basin (7) center is provided with centre bore, the outer of secondary sound basin (7) is supported on the main platform (1c) of basin frame (1), and in the centre bore of secondary sound basin (7), combine closely with voice coil loudspeaker voice coil (9) outer wall in edge;
Described magnetic structure comprises train wheel bridge (2), toroidal magnet (3), T iron (4) and voice coil loudspeaker voice coil (9), T iron (4) and train wheel bridge (2) are made by magnetic conductive metal material, T iron (4) center raises up and is formed with stem stem (4a), and the center of train wheel bridge (2) and toroidal magnet (3) is equipped with centre bore; Auxiliary platform (1e) the bottom lower surface of the top upper surface of train wheel bridge (2) and basin frame (1) is combined closely, toroidal magnet (3) is arranged between train wheel bridge (2) and T iron (4), toroidal magnet (3) upper surface and train wheel bridge (2) lower surface are combined closely, toroidal magnet (3) lower surface and T iron (4) upper surface are combined closely, and the stem stem (4a) at T iron (4) center upwards runs through the centre bore of toroidal magnet (3) and train wheel bridge (2); Described voice coil loudspeaker voice coil (9) bottom is positioned at the centre bore of toroidal magnet (3) and train wheel bridge (2) and covers stem stem (4a) upper end, between voice coil loudspeaker voice coil (9) inwall and stem stem (4a) outer wall, leave certain interval, between voice coil loudspeaker voice coil (9) outer wall and centre bore, the centre bore of train wheel bridge (2) and the centre bore of toroidal magnet (3) of basin frame (1) bottom auxiliary platform (1e), all leave certain interval;
Described keynote basin (5) comprises keynote basin body (5a), keynote basin body (5a) is infundibulate, the centre bore of keynote basin (5) is opened in the center of keynote basin body (5a), the outer of keynote basin body (5a) stretches out, forming a circle cross section is the keynote basin ring (5b) of arch on circular arc, and the outer of keynote basin ring (5b) is supported on the main edge (1a) of basin frame (1), it is vertical along (1b) that described main basin shape top of chamber edge is provided with the master who upwards vertically extends, the outer of described keynote basin ring (5b) is blocked main vertical along (1b), outside keynote basin ring (5b), be provided with main flanging (6), the master that keynote basin ring (5b) banding is fixed on basin frame (1) by main flanging (6) is vertical along on (1b), described secondary sound basin (7) comprises secondary sound basin body (7a), secondary sound basin body (7a) is for falling infundibulate, the centre bore of secondary sound basin (7) is opened in the center of secondary sound basin body (7a), the outer of secondary sound basin body (7a) stretches out, forming a circle cross section is the secondary sound basin ring (7b) of arch on circular arc, the outer of secondary sound basin ring (7b) is supported on the main platform (1c) of basin frame (1), it is vertical along (1d) that described secondary basin shape top of chamber edge is provided with the pair of upwards vertically extending, the outer of described secondary sound basin ring (7b) is blocked secondary vertical along (1d), outside secondary sound basin ring (7b), be provided with secondary flanging (8), it is secondary vertical along on (1d) that secondary sound basin ring (7b) banding is fixed on basin frame (1) by secondary flanging (8),
The shape of main basin shape chamber, the vertical edge of master (1b), secondary basin shape chamber, secondary vertical edge (1d) and the upper centre bore of auxiliary platform (1e) of described basin frame (1) is track type; The shape of the centre bore of described keynote basin (5), the centre bore of secondary sound basin (7) and voice coil loudspeaker voice coil (9) is track type;
The shape of stem stem (4a) cross section, the centre bore of toroidal magnet (3) and the centre bore of train wheel bridge (2) of described T iron (4) is track type;
The shape of described keynote basin ring (5b), secondary sound basin ring (7b) is track type;
Described basin frame (1) adopts plastic material high temperature resistant, easy-formation to make;
Described basin frame (1) adopts HIPS high impact polystyrene material to make;
Described keynote basin ring (5b), secondary sound basin ring (7b) adopt the microcellular foam material of thin thickness, good springiness to make;
Described keynote basin ring (5b), secondary sound basin ring (7b) adopt On The Elastic Material of The Thermoplastec Polyurethane to make.
CN201210006007.5A 2012-01-10 2012-01-10 Runway-shaped double-cone speaker Active CN102547536B (en)

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CN102547536B true CN102547536B (en) 2014-08-13

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104497464B (en) * 2014-12-24 2017-11-17 成都金发科技新材料有限公司 A kind of high rigidity high fluidity polyphenylacetylene combination and its preparation method and application
CN110636416B (en) * 2019-10-12 2023-10-31 安克创新科技股份有限公司 Vibrating diaphragm ring

Citations (2)

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Publication number Priority date Publication date Assignee Title
CN1638530A (en) * 2003-12-24 2005-07-13 日本先锋公司 Speaker apparatus
CN101902676A (en) * 2010-08-31 2010-12-01 无锡杰夫电声有限公司 Dual-sound basin thin speaker

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008236717A (en) * 2007-03-20 2008-10-02 Estec Corp Speaker
JP5311053B2 (en) * 2009-11-26 2013-10-09 オンキヨー株式会社 Electrodynamic speaker

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1638530A (en) * 2003-12-24 2005-07-13 日本先锋公司 Speaker apparatus
CN101902676A (en) * 2010-08-31 2010-12-01 无锡杰夫电声有限公司 Dual-sound basin thin speaker

Non-Patent Citations (2)

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Title
JP特开2011-114523A 2011.06.09
说明书第1页10-26行、附图1.

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Address after: 214192 Xishan, Jiangsu, Beizhen Tin Tin Tin Road, No. eight, No. 228

Patentee after: WUXI JIEFU ELECTROACOUSTIC CO., LTD.

Address before: 214192 eight Wuxi, Beizhen, Xishan District, Jiangsu

Patentee before: Jiefu Electroacoustic Co., Ltd., Wuxi