CN104902406A - Coaxial same-phase double moving coil unit loudspeaker - Google Patents
Coaxial same-phase double moving coil unit loudspeaker Download PDFInfo
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- CN104902406A CN104902406A CN201510229910.1A CN201510229910A CN104902406A CN 104902406 A CN104902406 A CN 104902406A CN 201510229910 A CN201510229910 A CN 201510229910A CN 104902406 A CN104902406 A CN 104902406A
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- voice coil
- loudspeaker
- loudspeaker voice
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- coil loudspeaker
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Abstract
The invention discloses a coaxial same-phase double moving coil unit loudspeaker, comprising a housing, a T iron, a magnet, a washer, a PCB (Printed Circuit Board), a coil and a vibrating diaphragm, wherein the coil comprises a low-frequency coil and a high-frequency coil which are on the same axis and are adhered to the same side of the vibrating diaphragm. According the loudspeaker, the low-frequency coil and the high-frequency coil are adhered to the same side of the same vibrating diaphragm, the vibration generated when the two groups of coils receive electrical signals is synchronous, and the phases are completely consistent, so that high and low sound signals can simultaneously arrive at ears, and the sound imaging degree is effectively improved; the low-frequency coil and the high-frequency coil are arranged coaxially, so the produced sound is closer to the effect of a point sound source; moreover, the overall size of the composite loudspeaker is obviously smaller that the size of two independent loudspeakers, so that the framework design when the loudspeaker is applied to an earphone is effectively simplified.
Description
Technical field
The present invention relates to a kind of horn structure, particularly relate to the two moving-coil unit loudspeaker of a kind of coaxial homophase, belong to technical field of communication equipment.
Background technology
Traditional two moving-coil unit horn structures, the usual form of expression is two independent monomer loudspeaker, by using same shell mutually, two different loudspeaker of size are combined, it needs two cover magnetic circuits, two voice coil loudspeaker voice coils, two vibrating diaphragms, to reach the object of Composite Double moving-coil unit, this class formation has a fatal place, when two loudspeaker all pass into AC signal, the sound that previous horn diaphragm back produces and the acoustical phase that a rear horn diaphragm front produces are contrary, therefore frequency superposition place (being exactly 1kHz to 3kHz scope usually) of two diaphragms there will be wave cancellation, the curve of this frequency is made to occur significantly roll-offing, greatly affect the Hz-KHz of whole loudspeaker, and two independently horn integral volume is often excessive, the simplification of Frame Design when being unfavorable for that horn structure is applied to earphone.
Summary of the invention
In order to overcome above-mentioned the deficiencies in the prior art, the invention provides the two moving-coil unit loudspeaker of a kind of coaxial homophase, make high and low tone signal can arrive ear, effectively improve the knot of sound as degree, sound, closer to the effect of point sound source, has volume minimization concurrently again simultaneously.
The technical solution adopted for the present invention to solve the technical problems is:
The two moving-coil unit loudspeaker of a kind of coaxial homophase, comprise shell, T iron, magnet, washer, pcb board, voice coil loudspeaker voice coil and vibrating membrane, described voice coil loudspeaker voice coil comprises and is in low frequency voice coil loudspeaker voice coil on same axis and high frequency voice coil loudspeaker voice coil, and described low frequency voice coil loudspeaker voice coil and high frequency voice coil loudspeaker voice coil are pasted on the same side of described vibrating membrane.
As the improvement of technique scheme, the diameter of described low frequency voice coil loudspeaker voice coil is less than the diameter of high frequency voice coil loudspeaker voice coil.
As the improvement of technique scheme, described shell comprises protecgulum and bonnet, is covered with the portion of stretching into after described, described in the portion of stretching into be between low frequency voice coil loudspeaker voice coil and high frequency voice coil loudspeaker voice coil.
As the improvement of technique scheme, described magnet comprises and is in internal magnetic ring on same axis and outer magnetic ring, and described low frequency voice coil loudspeaker voice coil and high frequency voice coil loudspeaker voice coil are between internal magnetic ring and outer magnetic ring.
As the improvement of technique scheme, described internal magnetic ring both sides end face is provided with washer, and described outer magnetic ring is fixed between bonnet and T iron.
Beneficial effect of the present invention has:
These loudspeaker are by pasting low frequency voice coil loudspeaker voice coil and high frequency voice coil loudspeaker voice coil in the same side of same vibrating membrane, and low frequency voice coil loudspeaker voice coil and high frequency voice coil loudspeaker voice coil are coaxially arranged, then magnetic circuit is used to carry out electroacoustic conversion to the magnetic force that voice coil loudspeaker voice coil produces, final energy synchronism output sound, because low frequency voice coil loudspeaker voice coil and high frequency voice coil loudspeaker voice coil are structured on one piece of vibrating membrane, the vibration that therefore two groups of voice coil loudspeaker voice coils produce when accepting the signal of telecommunication is synchronous, and phase place is on all four, high and low tone signal can arrive ear simultaneously, effectively promotes sound knot as degree; Because the voice coil loudspeaker voice coil of two on vibrating membrane builds on the same axis, therefore the sound sent is closer to the effect of point sound source, in addition, the horn integral volume ratio be combined with each other two independently loudspeaker obviously reduces, and effective these loudspeaker of simplification are applied to Frame Design during earphone.
Accompanying drawing explanation
Below in conjunction with drawings and the specific embodiments, the invention will be further described, wherein:
Fig. 1 is the exploded view of the embodiment of the present invention;
Fig. 2 is the cutaway view of the embodiment of the present invention;
When Fig. 3 is the work of embodiment of the present invention medium-high frequency voice coil loudspeaker voice coil, low frequency audible segment schematic diagram on vibrating membrane;
When Fig. 4 is the work of embodiment of the present invention medium-high frequency voice coil loudspeaker voice coil, high frequency audible segment schematic diagram on vibrating membrane;
When Fig. 5 is the work of embodiment of the present invention medium and low frequency voice coil loudspeaker voice coil, high frequency audible segment schematic diagram on vibrating membrane;
When Fig. 6 is the work of embodiment of the present invention medium and low frequency voice coil loudspeaker voice coil, low frequency audible segment schematic diagram on vibrating membrane.
Embodiment
See Fig. 1 and Fig. 2, the two moving-coil unit loudspeaker of the coaxial homophase of one of the present invention, comprise shell 1, T iron 2, magnet 3, washer 4, pcb board 5, voice coil loudspeaker voice coil 6 and vibrating membrane 7, magnet 3 comprises and is in internal magnetic ring 31 on same axis and outer magnetic ring 32, internal magnetic ring 31 both sides end face is provided with washer 4, outer magnetic ring 32 is fixed between bonnet 9 and T iron 2, voice coil loudspeaker voice coil 6 comprises low frequency voice coil loudspeaker voice coil 61 and high frequency voice coil loudspeaker voice coil 62, the diameter of low frequency voice coil loudspeaker voice coil 61 is less than the diameter of high frequency voice coil loudspeaker voice coil 62, low frequency voice coil loudspeaker voice coil 61 and high frequency voice coil loudspeaker voice coil 62 are on same axis, and low frequency voice coil loudspeaker voice coil 61 and high frequency voice coil loudspeaker voice coil 62 are all between internal magnetic ring 31 and outer magnetic ring 32.
Shell 1 comprises protecgulum 8 and bonnet 9, bonnet 9 is provided with the portion of stretching into 10, stretching into portion 10 is between low frequency voice coil loudspeaker voice coil 61 and high frequency voice coil loudspeaker voice coil 62, low frequency voice coil loudspeaker voice coil 61 and high frequency voice coil loudspeaker voice coil 62 are bonded by voice coil loudspeaker voice coil glue and vibrating membrane 7, and be all positioned at the same side of vibrating membrane 7, the signal input and output lead-in wire of low frequency voice coil loudspeaker voice coil 61 and high frequency voice coil loudspeaker voice coil 62 is all connected on pcb board 5, be connected with audio signal by pcb board 5 again, when audio signal inputs, voice coil loudspeaker voice coil 6 and magnetic circuit produce electromagnetic induction, drive voice coil loudspeaker voice coil 6 to seesaw, thus vibrating membrane 7 porpoise is sounded.
See Fig. 3 to Fig. 6, different with traditional moving-coil loudspeaker, these loudspeaker due to the diameter of two groups of voice coil loudspeaker voice coils 6 different, and be positioned on same vibrating membrane 7, two groups of voice coil loudspeaker voice coils 6 drive the vibration characteristics of vibrating membrane 7 to be different, main manifestations for: vibrating membrane 7 characteristic that low frequency voice coil loudspeaker voice coil 61 drives is that basso is roomy, and high pitch spherical portion is less, makes its low frequency behavior obtain obvious lifting; And vibrating membrane 7 characteristic that high frequency voice coil loudspeaker voice coil 62 drives is that high pitch spherical portion is strengthened, basso area reduces, thus the performance of its high frequency can be significantly improved.Again through the cooperation of frequency divider, effectively the signal of high and low sound can be loaded on high frequency voice coil loudspeaker voice coil 62 and low frequency voice coil loudspeaker voice coil 61 respectively, Hz-KHz is effectively promoted, thus optimize the performance of sound.
In addition, because low frequency voice coil loudspeaker voice coil 61 and high frequency voice coil loudspeaker voice coil 62 are structured on one piece of vibrating membrane 7, the vibration that therefore two groups of voice coil loudspeaker voice coils 6 produce when accepting the signal of telecommunication is synchronous, and phase place is on all four, high and low tone signal can arrive ear simultaneously, effectively promotes sound knot as degree; Again because the voice coil loudspeaker voice coil of two on vibrating membrane 76 builds on the same axis, therefore the sound sent is closer to the effect of point sound source, in addition, the volume of the horn integral volume ratio be combined with each other two independently loudspeaker obviously reduces, and effectively simplifies Frame Design when these loudspeaker are applied to earphone.
The above, just better embodiment of the present invention, but the present invention is not limited to above-described embodiment, as long as it reaches technique effect of the present invention with any same or similar means, all should belong to protection scope of the present invention.
Claims (5)
1. the two moving-coil unit loudspeaker of coaxial homophase, comprise shell (1), T iron (2), magnet (3), washer (4), pcb board (5), voice coil loudspeaker voice coil (6) and vibrating membrane (7), it is characterized in that: described voice coil loudspeaker voice coil (6) comprises and is in low frequency voice coil loudspeaker voice coil (61) on same axis and high frequency voice coil loudspeaker voice coil (62), and described low frequency voice coil loudspeaker voice coil (61) and high frequency voice coil loudspeaker voice coil (62) are pasted on the same side of described vibrating membrane (7).
2. the two moving-coil unit loudspeaker of the coaxial homophase of one according to claim 1, is characterized in that: it is characterized in that: the diameter of described low frequency voice coil loudspeaker voice coil (61) is less than the diameter of high frequency voice coil loudspeaker voice coil (62).
3. the two moving-coil unit loudspeaker of the coaxial homophase of one according to claim 1 and 2, it is characterized in that: described shell (1) comprises protecgulum (8) and bonnet (9), described bonnet (9) is provided with the portion of stretching into (10), described in stretch into portion (10) and be between low frequency voice coil loudspeaker voice coil (61) and high frequency voice coil loudspeaker voice coil (62).
4. the two moving-coil unit loudspeaker of the coaxial homophase of one according to claim 3, it is characterized in that: described magnet (3) comprises and is in internal magnetic ring (31) on same axis and outer magnetic ring (32), and described low frequency voice coil loudspeaker voice coil (61) and high frequency voice coil loudspeaker voice coil (62) are all between internal magnetic ring (31) and outer magnetic ring (32).
5. the two moving-coil unit loudspeaker of the coaxial homophase of one according to claim 4, is characterized in that: described internal magnetic ring (31) both sides end face is provided with washer (4), and described outer magnetic ring (32) is fixed between bonnet (9) and T iron (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510229910.1A CN104902406A (en) | 2015-05-07 | 2015-05-07 | Coaxial same-phase double moving coil unit loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510229910.1A CN104902406A (en) | 2015-05-07 | 2015-05-07 | Coaxial same-phase double moving coil unit loudspeaker |
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| Publication Number | Publication Date |
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| CN104902406A true CN104902406A (en) | 2015-09-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510229910.1A Pending CN104902406A (en) | 2015-05-07 | 2015-05-07 | Coaxial same-phase double moving coil unit loudspeaker |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105307088A (en) * | 2015-11-03 | 2016-02-03 | 毛国强 | Moving coil type earphone structure |
| CN106375915A (en) * | 2016-10-31 | 2017-02-01 | 深圳市冠旭电子股份有限公司 | Loudspeaker and headset |
| CN107147978A (en) * | 2017-05-25 | 2017-09-08 | 东莞合律美电子科技有限公司 | One kind frequency dividing loudspeaker |
| CN108513235A (en) * | 2018-03-22 | 2018-09-07 | 深圳市星纬声学科技有限公司 | Single magnetic gap double-drive coaxial loud speaker and its electronic equipment |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2671276Y (en) * | 2003-12-30 | 2005-01-12 | 侯门行股份有限公司 | Sounder with double voice coil |
| CN201657285U (en) * | 2010-01-11 | 2010-11-24 | 瑞声声学科技(深圳)有限公司 | Miniature double-magnetic-steel and double-voice-coil electromagnetic loudspeaker |
| CN102149036A (en) * | 2010-02-09 | 2011-08-10 | 美律实业股份有限公司 | Speaker with double voice coils |
| US9014413B2 (en) * | 2013-08-21 | 2015-04-21 | The Boeing Company | Dual coil loudspeaker system |
| CN204681583U (en) * | 2015-05-07 | 2015-09-30 | 珠海市源声电子有限公司 | The two moving-coil unit loudspeaker of a kind of coaxial homophase |
-
2015
- 2015-05-07 CN CN201510229910.1A patent/CN104902406A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2671276Y (en) * | 2003-12-30 | 2005-01-12 | 侯门行股份有限公司 | Sounder with double voice coil |
| CN201657285U (en) * | 2010-01-11 | 2010-11-24 | 瑞声声学科技(深圳)有限公司 | Miniature double-magnetic-steel and double-voice-coil electromagnetic loudspeaker |
| CN102149036A (en) * | 2010-02-09 | 2011-08-10 | 美律实业股份有限公司 | Speaker with double voice coils |
| US9014413B2 (en) * | 2013-08-21 | 2015-04-21 | The Boeing Company | Dual coil loudspeaker system |
| CN204681583U (en) * | 2015-05-07 | 2015-09-30 | 珠海市源声电子有限公司 | The two moving-coil unit loudspeaker of a kind of coaxial homophase |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105307088A (en) * | 2015-11-03 | 2016-02-03 | 毛国强 | Moving coil type earphone structure |
| CN106375915A (en) * | 2016-10-31 | 2017-02-01 | 深圳市冠旭电子股份有限公司 | Loudspeaker and headset |
| WO2018076606A1 (en) * | 2016-10-31 | 2018-05-03 | 深圳市冠旭电子股份有限公司 | Speaker and earphone |
| US10499140B2 (en) | 2016-10-31 | 2019-12-03 | Shenzhen Gradsun Electronic Co., Ltd. | Speaker and headphone |
| CN106375915B (en) * | 2016-10-31 | 2024-04-16 | 深圳市冠旭电子股份有限公司 | Speaker and earphone |
| CN107147978A (en) * | 2017-05-25 | 2017-09-08 | 东莞合律美电子科技有限公司 | One kind frequency dividing loudspeaker |
| CN108513235A (en) * | 2018-03-22 | 2018-09-07 | 深圳市星纬声学科技有限公司 | Single magnetic gap double-drive coaxial loud speaker and its electronic equipment |
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Application publication date: 20150909 |
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| RJ01 | Rejection of invention patent application after publication |