CN103037283B - Thin double-cone phase inversion type loudspeaker box - Google Patents
Thin double-cone phase inversion type loudspeaker box Download PDFInfo
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- CN103037283B CN103037283B CN201210499659.7A CN201210499659A CN103037283B CN 103037283 B CN103037283 B CN 103037283B CN 201210499659 A CN201210499659 A CN 201210499659A CN 103037283 B CN103037283 B CN 103037283B
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- lower casing
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 85
- 229910052742 iron Inorganic materials 0.000 claims description 38
- 230000002787 reinforcement Effects 0.000 claims description 19
- 238000001228 spectrum Methods 0.000 claims description 15
- 239000000428 dust Substances 0.000 claims description 7
- 238000011010 flushing procedure Methods 0.000 claims description 6
- 230000013011 mating Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only
- H04R1/26—Spatial arrangements of separate transducers responsive to two or more frequency ranges
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only
- H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
- H04R1/2807—Enclosures comprising vibrating or resonating arrangements
- H04R1/2815—Enclosures comprising vibrating or resonating arrangements of the bass reflex type
- H04R1/2819—Enclosures comprising vibrating or resonating arrangements of the bass reflex type for loudspeaker transducers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/06—Loudspeakers
- H04R9/063—Loudspeakers using a plurality of acoustic drivers
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- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
Abstract
The present invention relates to thin double-cone phase inversion type loudspeaker box.Casing is primarily of lower casing and upper casing composition; Voice unit installing hole, bass unit installing hole and lower casing paraphase hole is provided with in lower casing, voice unit installing hole and bass unit installing hole distribute along long axis direction and are positioned at the left-half of lower casing, voice unit installing hole is near lower casing left end, lower casing paraphase hole distributes along long axis direction and is positioned at the right half part of lower casing, and the opening of lower casing paraphase hole is positioned at lower casing right-hand member; Voice unit location notch, bass unit location notch and upper casing paraphase hole is provided with in upper casing, lower casing and upper casing form casing, high pitch loudspeaker unit is placed in voice unit installing hole and voice unit location notch, subwoofer unit is placed in bass unit installing hole and bass unit location notch, and lower casing paraphase hole and upper casing paraphase hole correspondence are combined into phase-reversing tube.Structure of the present invention is rationally ingenious, is ensureing that the thin type structure of loudspeaker acoustic enclosure is issued to good low frequency tonequality.
Description
Technical field
The invention belongs to electroacoustic techniques field, relate to a kind of loudspeaker acoustic enclosure, specifically the thin double-cone phase inversion type loudspeaker box of a kind of employing double-tone basin medium and low spectrum loudspeaker unit and a high pitch loudspeaker unit composition.
Background technology
In prior art, the product thickness being applied to the loudspeaker acoustic enclosure of LED television requires within 10mm.Traditional loudspeaker acoustic enclosure is based on the design of high tone quality, general employing two loudspeaker units (high pitch, a medium and low spectrum loudspeaker unit) composition, but because the structure of woofer unit limit, whole speaker box structure must be caused partially thick, be not suitable for slim LED electrical acoustic equipment and use.Therefore, seek a kind of at thickness thinner (within 10mm), and the better low frequency tonequality of tool, the thin speaker audio amplifier of applicable LED television is a problem of electroacoustic techniques field face.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of thin double-cone phase inversion type loudspeaker box is provided, its structure is rationally ingenious, adopt upper casing and lower casing composition casing, built-in reinforcement, and extend to form phase-reversing tube by reinforcement, ensureing that the thin type structure of loudspeaker acoustic enclosure is issued to good low frequency tonequality, can realize well mating with LED television.
According to technical scheme provided by the invention: thin double-cone phase inversion type loudspeaker box, comprise casing, medium and low spectrum loudspeaker unit and high pitch loudspeaker unit, it is characterized in that: described casing is primarily of lower casing and upper casing composition; Voice unit installing hole, bass unit installing hole and lower casing paraphase hole is provided with in described lower casing, described voice unit installing hole and bass unit installing hole distribute along long axis direction and are positioned at the left-half of lower casing, voice unit installing hole is near lower casing left end, described lower casing paraphase hole distributes along long axis direction and is positioned at the right half part of lower casing, and the opening of lower casing paraphase hole is positioned at lower casing right-hand member; Voice unit location notch, bass unit location notch and upper casing paraphase hole is provided with in described upper casing, described voice unit location notch and bass unit location notch distribute along long axis direction and are positioned at the left-half of upper casing, voice unit location notch is near upper casing left end, described upper casing paraphase hole distributes along long axis direction and is positioned at the right half part of upper casing, and the opening of upper casing paraphase hole is positioned at lower casing right-hand member; Described lower casing and upper casing are combined closely composition casing, described high pitch loudspeaker unit is placed in voice unit installing hole and voice unit location notch, described subwoofer unit is placed in bass unit installing hole and bass unit location notch, described lower casing paraphase hole and upper casing paraphase hole correspondence are combined into phase-reversing tube, end opening and medium and low spectrum loudspeaker cell conduction in described phase-reversing tube, phase-reversing tube outer end opening to be positioned on casing right side and with casing turned on outside.
Described high pitch loudspeaker unit comprises high pitch frame, high pitch U iron, high pitch magnet, high pitch magnetic pole core, high pitch voice coil loudspeaker voice coil and sound film, described high pitch frame is arranged in voice unit location notch, bottom high pitch frame, high pitch U iron is set in mesopore, described high pitch U iron upper base surface is combined closely high pitch magnet, described high pitch magnet upper surface is combined closely high pitch magnetic pole core, has certain magnetic gap between the outer wall of described high pitch magnet and high pitch magnetic pole core and the inwall of high pitch U iron; Described high pitch voice coil loudspeaker voice coil is looped around around high pitch magnet and high pitch magnetic pole core, and the inwall of high pitch voice coil loudspeaker voice coil and the outer wall of high pitch magnet and high pitch magnetic pole core leave gap, and the outer wall of high pitch voice coil loudspeaker voice coil is same with the inwall of high pitch U iron leaves space; Described sound film is arranged on above high pitch magnetic pole core, and sound film edge lower surface is combined with high pitch frame upper surface, high pitch voice coil loudspeaker voice coil tight.
As a further improvement on the present invention, the described bottom lower surface of high pitch U iron keeps flushing with the bottom lower surface of lower casing.
As a further improvement on the present invention, described medium and low spectrum loudspeaker unit comprises bass frame, bass U iron, bass magnet, bass magnetic pole core, bass voice coil loudspeaker voice coil, locating support, secondary sound basin, keynote basin and dust cap, described bass frame is arranged in bass unit location notch, and bass frame bottom is positioned at bass unit installing hole; Bottom described bass frame, in mesopore, bass U iron is set, described bass U iron upper base surface is combined closely bass magnet, described bass magnet upper surface is combined closely bass magnetic pole core, has certain magnetic gap between the outer wall of bass magnet and bass magnetic pole core and the inwall of bass U iron; Described bass voice coil loudspeaker voice coil is looped around around bass magnet and bass magnetic pole core, and the inwall of bass voice coil loudspeaker voice coil and the outer wall of bass magnet and bass magnetic pole core leave gap, and the outer wall of bass voice coil loudspeaker voice coil is same with the inwall of bass U iron leaves space; Described locating support is placed in bass frame, arranges secondary sound basin above locating support, and locating support top and secondary sound basin rim under surface are combined closely; Arrange keynote basin above described secondary sound basin, described keynote basin rim under surface and bass frame upper surface are combined closely; Described bass voice coil loudspeaker voice coil runs through keynote basin mesopore and secondary sound basin mesopore simultaneously, combines closely in the interior edge of the outer wall of bass voice coil loudspeaker voice coil and keynote basin mesopore and secondary sound basin mesopore; Described bass voice coil loudspeaker voice coil top is provided with dust cap.
As a further improvement on the present invention, the bottom lower surface of the lower surface of described bass frame, the bottom lower surface of bass U iron and lower casing keeps flushing.
As a further improvement on the present invention, described lower casing interior surface is provided with lower casing reinforcement, and described lower casing paraphase hole is extended to form by lower casing reinforcement; Described upper casing interior surface is provided with upper casing reinforcement, and described upper casing phase-reversing tube is extended to form by upper casing reinforcement.
As a further improvement on the present invention, described phase-reversing tube is arranged on the center of casing along long axis direction, and the length of phase-reversing tube is less than 1/2 of casing major axis total length.
As a further improvement on the present invention, the shape of described phase-reversing tube outer end opening is circular arc.
compared with prior art, advantage is in the present invention:structure of the present invention is rationally ingenious, and the medium and low spectrum loudspeaker unit that it adopts is the double-tone basin structure with keynote basin and secondary sound basin, effectively can increase the low frequency tonequality of whole loudspeaker acoustic enclosure; The casing of audio amplifier is made up of upper casing and lower casing, arranges reinforcement in upper casing, lower casing, can efficiently avoid the acoustical flaw such as loud speaker " acoustic short circuit " and casing resonance interference; And phase-reversing tube is directly extended to form by reinforcement after being through acoustic design, without the need to increasing additional components, by double-tone basin medium and low spectrum loudspeaker unit anti-phase acoustic radiation export to casing outside, obvious reinforcement low frequency tonequality, ensureing that the thin type structure of loudspeaker acoustic enclosure is issued to better sound quality, can realize well mating with LED television, for user provides good ratio of performance to price product.
Accompanying drawing explanation
Fig. 1 is the stereo decomposing structure chart of the embodiment of the present invention.
Fig. 2 is the section of structure of the embodiment of the present invention.
Fig. 3 is the three-dimensional structure diagram of upper casing of the present invention, lower casing.
Description of reference numerals: 1-upper casing, 1a-bass location notch, 1b-high pitch location notch, 1c-upper casing phase-reversing tube, 1d-upper casing reinforcement, 2-lower casing, 2a-bass installing hole, 2b-high pitch installing hole, 2c-lower casing paraphase hole, 2d-lower casing reinforcement, 3a-bass frame, 3b-high pitch frame, 4a-bass U iron, 4b-high pitch U iron, 5a-bass magnet, 5b-high pitch magnet, 6a-bass magnetic pole core, 6b-high pitch magnetic pole core, 7a-bass voice coil loudspeaker voice coil, 7b-high pitch voice coil loudspeaker voice coil, 8a-locating support, 9a-secondary sound basin, 10a-keynote basin, 10b-sound film, 11a-dust cap.
Embodiment
Below in conjunction with concrete drawings and Examples, the invention will be further described.
As shown in the figure: the thin double-cone phase inversion type loudspeaker box in embodiment is primarily of casing, medium and low spectrum loudspeaker unit and high pitch loudspeaker unit composition, and described casing forms primarily of lower casing 2 and upper casing 1; Voice unit installing hole 2b, bass unit installing hole 2a and lower casing paraphase hole 2c is provided with in described lower casing 2, described voice unit installing hole 2b and bass unit installing hole 2a distributes along long axis direction and is positioned at the left-half of lower casing 2, voice unit installing hole 2b is near lower casing 2 left end, described lower casing paraphase hole 2c distributes along long axis direction and is positioned at the right half part of lower casing 2, and the opening of lower casing paraphase hole 2c is positioned at lower casing 2 right-hand member; Voice unit location notch 1b, bass unit location notch 1a and upper casing paraphase hole 1c is provided with in described upper casing 1, described voice unit location notch 1b and bass unit location notch 1a distributes along long axis direction and is positioned at the left-half of upper casing 1, voice unit location notch 1b is near upper casing 1 left end, described upper casing paraphase hole 1c distributes along long axis direction and is positioned at the right half part of upper casing 1, and the opening of upper casing paraphase hole 1c is positioned at lower casing 2 right-hand member; Described lower casing 2 and upper casing 1 are combined closely composition casing, described high pitch loudspeaker unit is placed in voice unit installing hole 2b and voice unit location notch 1b, described subwoofer unit is placed in bass unit installing hole 2a and bass unit location notch 1a, described lower casing paraphase hole 2c and upper casing paraphase hole 1c correspondence are combined into phase-reversing tube, end opening and medium and low spectrum loudspeaker cell conduction in described phase-reversing tube, phase-reversing tube outer end opening to be positioned on casing right side and with casing turned on outside.
The structure of described high pitch loudspeaker unit is as Fig. 1, shown in Fig. 2, it is primarily of high pitch frame 3b, high pitch U iron 4b, high pitch magnet 5b, high pitch magnetic pole core 6b, high pitch voice coil loudspeaker voice coil 7b and sound film 10b forms, described high pitch frame 3b is arranged in voice unit location notch 1b, high pitch U iron 4b is set in mesopore bottom high pitch frame 3b, described high pitch U iron 4b upper base surface is combined closely high pitch magnet 5b, described high pitch magnet 5b upper surface is combined closely high pitch magnetic pole core 6b, certain magnetic gap is had between the outer wall of described high pitch magnet 5b and high pitch magnetic pole core 6b and the inwall of high pitch U iron 4b, described high pitch voice coil loudspeaker voice coil 7b is looped around around high pitch magnet 5b and high pitch magnetic pole core 6b, and the inwall of high pitch voice coil loudspeaker voice coil 7b and the outer wall of high pitch magnet 5b and high pitch magnetic pole core 6b leave gap, and the outer wall of high pitch voice coil loudspeaker voice coil 7b is same with the inwall of high pitch U iron 4b leaves space, described sound film 10b is arranged on above high pitch magnetic pole core 6b, and sound film 10b rim under surface is combined with high pitch frame 3b upper surface, high pitch voice coil loudspeaker voice coil 7b tight.
In described high pitch loudspeaker unit, bottom lower surface and the bottom lower surface of lower casing 2 of described high pitch U iron 4b are preferably set to the version keeping flushing.
The structure of described medium and low spectrum loudspeaker unit as shown in Figure 1 and Figure 2, it forms primarily of bass frame 3a, bass U iron 4a, bass magnet 5a, bass magnetic pole core 6a, bass voice coil loudspeaker voice coil 7a, locating support 8a, secondary sound basin 9a, keynote basin 10a and dust cap 11a, described bass frame 3a is arranged in bass unit location notch 1a, and bass frame 3a bottom is positioned at bass unit installing hole 2a; Bottom described bass frame 3a, bass U iron 4a is set in mesopore, described bass U iron 4a upper base surface is combined closely bass magnet 5a, described bass magnet 5a upper surface is combined closely bass magnetic pole core 6a, has certain magnetic gap between the outer wall of bass magnet 5a and bass magnetic pole core 6a and the inwall of bass U iron 4a; Described bass voice coil loudspeaker voice coil 7a is looped around around bass magnet 5a and bass magnetic pole core 6a, and the inwall of bass voice coil loudspeaker voice coil 7a and the outer wall of bass magnet 5a and bass magnetic pole core 6a leave gap, and the outer wall of bass voice coil loudspeaker voice coil 7a is same with the inwall of bass U iron 4a leaves space; Described locating support 8a is placed in bass frame 3a, arranges secondary sound basin 9a above locating support 8a, and locating support 8a top and secondary sound basin 9a rim under surface are combined closely; Arrange keynote basin 10a above described secondary sound basin 9a, described keynote basin 10a rim under surface and bass frame 3a upper surface are combined closely; Described bass voice coil loudspeaker voice coil 7a runs through keynote basin 10a mesopore and secondary sound basin 9a mesopore simultaneously, combines closely in the interior edge of the outer wall of bass voice coil loudspeaker voice coil 7a and keynote basin 10a mesopore and secondary sound basin 9a mesopore; Described bass voice coil loudspeaker voice coil 7a top is provided with dust cap 11a.
In described medium and low spectrum loudspeaker unit, the lower surface of described bass frame 3a, the bottom lower surface of bass U iron 4a and the bottom lower surface of lower casing 2 are preferably arranged to the version keeping flushing.
As shown in Fig. 1 ~ Fig. 3, in the present invention, described lower casing 2 interior surface is provided with lower casing reinforcement 2d, and described lower casing paraphase hole 2c is extended to form by lower casing reinforcement 2d; Described upper casing 1 interior surface is provided with upper casing reinforcement 1d, and described upper casing 1 phase-reversing tube is extended to form by upper casing reinforcement 1d.Described phase-reversing tube is arranged on the center of casing along long axis direction, and the length of phase-reversing tube is less than 1/2 of casing major axis total length.The shape of described phase-reversing tube outer end opening is circular arc.
Claims (7)
1. thin double-cone phase inversion type loudspeaker box, comprises casing, medium and low spectrum loudspeaker unit and high pitch loudspeaker unit, it is characterized in that: described casing is primarily of lower casing (2) and upper casing (1) composition; Voice unit installing hole (2b), bass unit installing hole (2a) and lower casing paraphase hole (2c) is provided with in described lower casing (2), described voice unit installing hole (2b) and bass unit installing hole (2a) distribute along long axis direction and are positioned at the left-half of lower casing (2), voice unit installing hole (2b) is near lower casing (2) left end, described lower casing paraphase hole (2c) distributes along long axis direction and is positioned at the right half part of lower casing (2), and the opening of lower casing paraphase hole (2c) is positioned at lower casing (2) right-hand member; Voice unit location notch (1b), bass unit location notch (1a) and upper casing paraphase hole (1c) is provided with in described upper casing (1), described voice unit location notch (1b) and bass unit location notch (1a) distribute along long axis direction and are positioned at the left-half of upper casing (1), voice unit location notch (1b) is near upper casing (1) left end, described upper casing paraphase hole (1c) distributes along long axis direction and is positioned at the right half part of upper casing (1), and the opening of upper casing paraphase hole (1c) is positioned at upper casing (1) right-hand member; Described lower casing (2) and upper casing (1) are combined closely composition casing, described high pitch loudspeaker unit is placed in voice unit installing hole (2b) and voice unit location notch (1b), described medium and low spectrum loudspeaker unit is placed in bass unit installing hole (2a) and bass unit location notch (1a), described lower casing paraphase hole (2c) and upper casing paraphase hole (1c) correspondence are combined into phase-reversing tube, end opening and medium and low spectrum loudspeaker cell conduction in described phase-reversing tube, phase-reversing tube outer end opening to be positioned on casing right side and with casing turned on outside;
Described lower casing (2) interior surface is provided with lower casing reinforcement (2d), and described lower casing paraphase hole (2c) is extended to form by lower casing reinforcement (2d); Described upper casing (1) interior surface is provided with upper casing reinforcement (1d), and described upper casing paraphase hole (1c) is extended to form by upper casing reinforcement (1d).
2. thin double-cone phase inversion type loudspeaker box as claimed in claim 1, it is characterized in that: described high pitch loudspeaker unit comprises high pitch frame (3b), high pitch U iron (4b), high pitch magnet (5b), high pitch magnetic pole core (6b), high pitch voice coil loudspeaker voice coil (7b) and sound film (10b), described high pitch frame (3b) is arranged in voice unit location notch (1b), in the mesopore of high pitch frame (3b) bottom, high pitch U iron (4b) is set, described high pitch U iron (4b) upper base surface is combined closely high pitch magnet (5b), described high pitch magnet (5b) upper surface is combined closely high pitch magnetic pole core (6b), certain magnetic gap is had between the outer wall of described high pitch magnet (5b) and high pitch magnetic pole core (6b) and the inwall of high pitch U iron (4b), described high pitch voice coil loudspeaker voice coil (7b) is looped around high pitch magnet (5b) and high pitch magnetic pole core (6b) around, the inwall of high pitch voice coil loudspeaker voice coil (7b) and the outer wall of high pitch magnet (5b) and high pitch magnetic pole core (6b) leave gap, and the outer wall of high pitch voice coil loudspeaker voice coil (7b) is same with the inwall of high pitch U iron (4b) leaves space, described sound film (10b) is arranged on high pitch magnetic pole core (6b) top, and sound film (10b) rim under surface is combined with high pitch frame (3b) upper surface, high pitch voice coil loudspeaker voice coil (7b) tight.
3. thin double-cone phase inversion type loudspeaker box as claimed in claim 2, is characterized in that: the bottom lower surface of described high pitch U iron (4b) keeps flushing with the bottom lower surface of lower casing (2).
4. thin double-cone phase inversion type loudspeaker box as claimed in claim 1, it is characterized in that: described medium and low spectrum loudspeaker unit comprises bass frame (3a), bass U iron (4a), bass magnet (5a), bass magnetic pole core (6a), bass voice coil loudspeaker voice coil (7a), locating support (8a), secondary sound basin (9a), keynote basin (10a) and dust cap (11a), described bass frame (3a) is arranged in bass unit location notch (1a), and bass frame (3a) bottom is positioned at bass unit installing hole (2a); In the mesopore of described bass frame (3a) bottom, bass U iron (4a) is set, described bass U iron (4a) upper base surface is combined closely bass magnet (5a), described bass magnet (5a) upper surface is combined closely bass magnetic pole core (6a), has certain magnetic gap between the outer wall of bass magnet (5a) and bass magnetic pole core (6a) and the inwall of bass U iron (4a); Described bass voice coil loudspeaker voice coil (7a) is looped around bass magnet (5a) and bass magnetic pole core (6a) around, the inwall of bass voice coil loudspeaker voice coil (7a) and the outer wall of bass magnet (5a) and bass magnetic pole core (6a) leave gap, and the outer wall of bass voice coil loudspeaker voice coil (7a) is same with the inwall of bass U iron (4a) leaves space; Described locating support (8a) is placed in bass frame (3a), and locating support (8a) top arranges secondary sound basin (9a), and locating support (8a) top and secondary sound basin (9a) rim under surface are combined closely; Described secondary sound basin (9a) top arranges keynote basin (10a), and described keynote basin (10a) rim under surface and bass frame (3a) upper surface are combined closely; Described bass voice coil loudspeaker voice coil (7a) runs through keynote basin (10a) mesopore and secondary sound basin (9a) mesopore simultaneously, combines closely in the outer wall of bass voice coil loudspeaker voice coil (7a) and the interior edge of keynote basin (10a) mesopore and secondary sound basin (9a) mesopore; Described bass voice coil loudspeaker voice coil (7a) top is provided with dust cap (11a).
5. thin double-cone phase inversion type loudspeaker box as claimed in claim 4, is characterized in that: the bottom lower surface of the lower surface of described bass frame (3a), the bottom lower surface of bass U iron (4a) and lower casing (2) keeps flushing.
6. thin double-cone phase inversion type loudspeaker box as claimed in claim 1, it is characterized in that: described phase-reversing tube is arranged on the center of casing along long axis direction, the length of phase-reversing tube is less than 1/2 of casing major axis total length.
7. thin double-cone phase inversion type loudspeaker box as claimed in claim 1, is characterized in that: the shape of described phase-reversing tube outer end opening is circular arc.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210499659.7A CN103037283B (en) | 2012-11-29 | 2012-11-29 | Thin double-cone phase inversion type loudspeaker box |
| PCT/CN2013/001120 WO2014082368A1 (en) | 2012-11-29 | 2013-09-22 | Thin double-cone phase-inverted loudspeaker enclosure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210499659.7A CN103037283B (en) | 2012-11-29 | 2012-11-29 | Thin double-cone phase inversion type loudspeaker box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103037283A CN103037283A (en) | 2013-04-10 |
| CN103037283B true CN103037283B (en) | 2015-09-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210499659.7A Active CN103037283B (en) | 2012-11-29 | 2012-11-29 | Thin double-cone phase inversion type loudspeaker box |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103037283B (en) |
| WO (1) | WO2014082368A1 (en) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103037283B (en) * | 2012-11-29 | 2015-09-02 | 无锡杰夫电声有限公司 | Thin double-cone phase inversion type loudspeaker box |
| CN103269468B (en) * | 2013-06-06 | 2015-11-18 | 无锡杰夫电声有限公司 | Horn-type multipoint excitation speaker box |
| CN104168525A (en) * | 2014-07-25 | 2014-11-26 | 无锡杰夫电声有限公司 | Inverted phase type multipoint excitation loudspeaker case |
| CN105142065A (en) * | 2015-08-18 | 2015-12-09 | 无锡杰夫电声有限公司 | Sound box based on oppositely buckled passive radiator |
| CN105072520B (en) * | 2015-08-18 | 2018-10-16 | 无锡杰夫电声有限公司 | Cambered surface screen high-fidelity combination sound box |
| CN106303863B (en) * | 2016-11-04 | 2020-03-10 | 捷开通讯(深圳)有限公司 | Loudspeaker sound outlet structure for mobile terminal and mobile terminal |
| CN107087244A (en) * | 2017-06-14 | 2017-08-22 | 无锡杰夫电声股份有限公司 | A kind of thin speaker audio amplifier |
| CN111432312A (en) * | 2019-01-09 | 2020-07-17 | 台湾立讯精密有限公司 | Thin speaker device |
| CN212936188U (en) * | 2020-09-02 | 2021-04-09 | 苏州上声电子股份有限公司 | Loudspeaker with double sound cones |
| CN112073880A (en) * | 2020-09-02 | 2020-12-11 | 苏州上声电子股份有限公司 | Small loudspeaker with multiple sound cones |
| CN112235666A (en) | 2020-09-28 | 2021-01-15 | 北京小米移动软件有限公司 | Sound box assembly, display device, audio output method and device |
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| CN101931849A (en) * | 2010-09-30 | 2010-12-29 | 无锡杰夫电声有限公司 | Thin speaker with taper location support chip |
| CN102291651A (en) * | 2011-06-16 | 2011-12-21 | 无锡杰夫电声有限公司 | Dual-cone thin loudspeaker with step structure |
| CN202957958U (en) * | 2012-11-29 | 2013-05-29 | 无锡杰夫电声有限公司 | Dual-cone phase inversion type thin speaker box |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2912177Y (en) * | 2006-06-20 | 2007-06-13 | 无锡杰夫电声有限公司 | Integrated loudspeaker system |
| CN202183845U (en) * | 2011-07-07 | 2012-04-04 | 马春彪 | Portable ultra-thin stereo set |
| CN103037283B (en) * | 2012-11-29 | 2015-09-02 | 无锡杰夫电声有限公司 | Thin double-cone phase inversion type loudspeaker box |
-
2012
- 2012-11-29 CN CN201210499659.7A patent/CN103037283B/en active Active
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2013
- 2013-09-22 WO PCT/CN2013/001120 patent/WO2014082368A1/en active Application Filing
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000308744A (en) * | 1999-04-27 | 2000-11-07 | Sanyo Product Co Ltd | Attaching structure of cone-shaped speaker unit for game machine |
| CN101854573A (en) * | 2009-03-30 | 2010-10-06 | 富准精密工业(深圳)有限公司 | Sound structure and electronic device using same |
| CN101931849A (en) * | 2010-09-30 | 2010-12-29 | 无锡杰夫电声有限公司 | Thin speaker with taper location support chip |
| CN102291651A (en) * | 2011-06-16 | 2011-12-21 | 无锡杰夫电声有限公司 | Dual-cone thin loudspeaker with step structure |
| CN202957958U (en) * | 2012-11-29 | 2013-05-29 | 无锡杰夫电声有限公司 | Dual-cone phase inversion type thin speaker box |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103037283A (en) | 2013-04-10 |
| WO2014082368A1 (en) | 2014-06-05 |
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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 |