CN105163247A - Moving-coil loudspeaker - Google Patents
Moving-coil loudspeaker Download PDFInfo
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- CN105163247A CN105163247A CN201510612257.7A CN201510612257A CN105163247A CN 105163247 A CN105163247 A CN 105163247A CN 201510612257 A CN201510612257 A CN 201510612257A CN 105163247 A CN105163247 A CN 105163247A
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- cone
- connecting plate
- magnetic conductive
- voice coil
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Abstract
The invention discloses a moving-coil loudspeaker. The moving-coil loudspeaker comprises cone stands, a cone, a first concentrating flux plate, a second concentrating flux plate, a driving magnet and a voice coil assembly for driving the cone to vibrate. The moving-coil loudspeaker is characterized in that the voice coil assembly comprises a central guide sleeve, at least two magnetic conduction stems and voice coils; the driving magnet is provided with an accommodating groove; a guide post is fixed in the accommodating groove; the central guide sleeve is in sliding fit with the guide post; one end of the central guide sleeve is detachably connected with the other end of the cone through the first connecting plate; one end of each of the magnetic conduction stems is fixed together with the first connecting plate; magnetic conduction sleeves which are in sliding fit with the magnetic conduction stems provided with the voice coils are arranged in the accommodating groove; and one end of each of the magnetic conduction sleeves is fixed together with the first concentrating flux plate. According to the moving-coil loudspeaker provided by the invention, the radial deviations of the voice coils in vibration and sound production processes of the voice coils are small, so that good sounding quality is achieved, and a user can replace a damaged cone without discarding the whole loudspeaker.
Description
Technical field
The present invention relates to the technical field of electro-acoustic transducer device, specifically a kind of coil-moving speaker.
Background technology
Coil-moving speaker is also called dynamic speaker.Its operation principle is according to Faraday's law, and when current－carrying conductor is by magnetic field, can be subject to an electric power, its direction meets not carrys out bright left hand rule, and power and electric current, magnetic direction are orthogonal, and stressed size is directly proportional to electric current, conductor length, magnetic flux density.When voice coil loudspeaker voice coil input alternation tone currents, voice coil loudspeaker voice coil is subject to alternation motive force and produces alternate motion, drives cone vibration, repeatedly promotes air and sounding.And in voice coil vibrations process, reduce the important indicator that voice coil loudspeaker voice coil deviation is radially guarantee sounding tonequality.
And in the dynamic speaker of prior art, its voice coil loudspeaker voice coil is often directly placed in the centre bore of drive magnet, or voice coil loudspeaker voice coil is placed on outside the conducting magnet core of a column, and in order to reduce the frictional force between voice coil loudspeaker voice coil and magnet, therefore, larger glade plane space must be left between its voice coil loudspeaker voice coil and magnet.This just causes voice coil loudspeaker voice coil deviation radially in vibration sounding process comparatively large, thus causes the misalignment of sound.
In addition, because its cone in loud speaker is the parts directly under the outer boundary's environment that exposes outside, be therefore easier to be subject to external force breakage in user's use procedure, and along with the damage of cone, whole loud speaker also just can not normally use, and can only do and scrap process, therefore causes larger waste.Certainly, the loud speaker of prior art also can be able to be placed under repair by the maintenance personal of specialty when cone damages, but the cost of labor that repair procedures is not only keeped in repair is high, and maintenance process is comparatively complicated.The cost keeped in repair even is higher than the price of new loud speaker, and therefore in prior art, user is when running into problems, and adopt often and scrap process, this just causes a large amount of wastes.
Summary of the invention
Technical problem to be solved by this invention is: provide a kind of coil-moving speaker, in its voice coil vibrations voiced process, voice coil loudspeaker voice coil deviation is radially little, thus make sounding tonequality better, and when cone damages user can self-changeable cone without the need to scrapping whole loud speaker.
The technical solution used in the present invention is: provide a kind of coil-moving speaker, it comprises frame, cone, first magnetic conductive board, second magnetic conductive board, drive magnet and the Voice coil assemblies for driving cone to vibrate, described drive magnet is clamped between the first magnetic conductive board and the second magnetic conductive board, the osculum end of the second magnetic conductive board and frame is fixed, cone is set up in frame, and the outer rim of cone one end and the big opening end of frame are fixed, described Voice coil assemblies comprises centre pilot cover, at least Liang Ge magnetic conductive core column and the voice coil loudspeaker voice coil be wound on each magnetic conductive core column lateral wall, drive magnet is provided with the storage tank of accommodating Voice coil assemblies, axial location along storage tank in storage tank is fixed with a guide pillar, centre pilot cover is slidably fitted on guide pillar, and one end of centre pilot cover is connected with the other end of cone is removable by the first connecting plate, the circumference of whole magnetic conductive core columns centrally fairlead axis is uniformly distributed, one end and first connecting plate of magnetic conductive core column are fixed, the magnetic conduction sleeve be slidably matched with the magnetic conductive core column with voice coil loudspeaker voice coil is provided with in storage tank, one end and first magnetic conductive board of magnetic conduction sleeve are fixed.Be slidably matched by guide pillar and centre pilot cover and can play good guide effect, thus the frictional force greatly reduced between magnetic conductive core column and magnetic conduction sleeve, power simultaneously needed for loudspeaker vibration is divided equally by multiple magnetic conductive core column, the proportional reduction of frictional force between single magnetic conductive core column and magnetic conduction sleeve, it also avoid the attenuation of fricative heat for the magnetic property of magnetic conductive core column thus.That is, the heat that sliding friction produces mainly concentrates on guide pillar, and divides equally again between magnetic conductive core column and magnetic conduction sleeve, and the frictional force therefore between magnetic conductive core column and magnetic conduction sleeve is less.
One end of described centre pilot cover is referred to the other end of cone removable connection by the first connecting plate, and one end and first connecting plate of centre pilot cover are fixed, and the other end of cone is connected with the first connecting plate is removable.Be convenient to only change cone after cone damages, reduce maintenance cost.
Be provided with the second connecting plate between first connecting plate and the other end of cone, the other end and second connecting plate of cone are fixed, bonding between the first connecting plate and the second connecting plate.Be convenient to dismounting and change.
Described magnetic conductive core column is four.
Connected by ring between the osculum end of the first connecting plate and frame, and the opening of the osculum end of the first connecting plate and ring sealing frame.
After adopting above structure, a kind of coil-moving speaker of the present invention compared with prior art has the following advantages: first, being slidably matched by guide pillar and centre pilot cover to make voice coil loudspeaker voice coil drive the direction of motion perpendicularity of cone good, therefore tonequality is good, secondly, by the guide effect that guide pillar and centre pilot overlap, therefore the frictional force between magnetic conductive core column and magnetic conduction sleeve is made to reduce, therefore its fricative heat reduces, decrease the magnetic attenuation of frictional heat for magnetic conductive core column, the internal temperature simultaneously reduced avoids the magnetic attenuation for drive magnet too, extend the useful life of magnetic conductive core column and drive magnet.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of coil-moving speaker of the present invention.
Fig. 2 is the cross-sectional schematic in Fig. 1 after " A-A " direction removal frame.
Fig. 3 is the close-up schematic view in " B " region in Fig. 1.
Wherein, 1, frame, 1.1, osculum end, 1.2, big opening end, 2, cone, the 3, first magnetic conductive board, 4, the second magnetic conductive board, 5, drive magnet, 5.1, storage tank, 6, centre pilot cover, 7, magnetic conductive core column, 8, voice coil loudspeaker voice coil, 9, guide pillar, the 10, first connecting plate, 11, magnetic conduction sleeve, 12, the second connecting plate, 13, ring.
Embodiment
Below in conjunction with the drawings and specific embodiments, the invention will be further described.
The invention provides a kind of coil-moving speaker, it comprises frame 1, cone 2, first magnetic conductive board 3, second magnetic conductive board 4, drive magnet 5 and the Voice coil assemblies for driving cone 2 to vibrate, described drive magnet 5 is clamped between the first magnetic conductive board 3 and the second magnetic conductive board 4, second magnetic conductive board 4 is fixed with the osculum end 1.1 of frame 1, cone 2 is set up in frame 1, and the big opening end 1.2 of the outer rim of cone 2 one end and frame 1 is fixed, it is characterized in that: described Voice coil assemblies comprises centre pilot cover 6, at least Liang Ge magnetic conductive core column 7 and the voice coil loudspeaker voice coil 8 be wound on each magnetic conductive core column 7 lateral wall, drive magnet 5 is provided with the storage tank 5.1 of accommodating Voice coil assemblies, axial location along storage tank 5.1 in storage tank 5.1 is fixed with a guide pillar 9, centre pilot cover 6 is slidably fitted on guide pillar 9, and one end of centre pilot cover 6 is connected with the other end of cone 2 is removable by the first connecting plate 10, the circumference of whole magnetic conductive core columns 7 centrally fairlead 6 axis is uniformly distributed, one end and first connecting plate 10 of magnetic conductive core column 7 are fixed, the magnetic conduction sleeve 11 be slidably matched with the magnetic conductive core column 7 with voice coil loudspeaker voice coil 8 is provided with in storage tank 5.1, one end and first magnetic conductive board 3 of magnetic conduction sleeve 11 are fixed.
One end of described centre pilot cover 6 is referred to the other end of cone 2 removable connection by the first connecting plate 10, and one end and first connecting plate 10 of centre pilot cover 6 are fixed, and the other end of cone 2 is connected with the first connecting plate 10 is removable.
Be provided with the second connecting plate 12 between first connecting plate 10 and the other end of cone 2, the other end and second connecting plate 12 of cone 2 are fixed, bonding between the first connecting plate 10 and the second connecting plate 12.
Described magnetic conductive core column 7 is four.
Connected by ring 13 between first connecting plate 10 and the osculum end 1.1 of frame 1, and the first connecting plate 10 and ring 13 seal the opening of the osculum end 1.1 of frame 1.
Described frame is horn-like structure, and its osculum end is the upper end in accompanying drawing, and big opening end is the lower end in accompanying drawing.
Just preferred embodiment of the present invention is described above, but can not be interpreted as it is limitations on claims.The present invention is not only confined to above embodiment, and its concrete structure allows to change, and all various changes done in the protection range of demand for independence of the present invention are all in protection scope of the present invention.
Claims (5)
1. a coil-moving speaker, it comprises frame (1), cone (2), first magnetic conductive board (3), second magnetic conductive board (4), drive magnet (5) and the Voice coil assemblies for driving cone (2) to vibrate, described drive magnet (5) is clamped between the first magnetic conductive board (3) and the second magnetic conductive board (4), second magnetic conductive board (4) is fixed with the osculum end (1.1) of frame (1), cone (2) is set up in frame (1), and the big opening end (1.2) of the outer rim of cone (2) one end and frame (1) is fixed, it is characterized in that: described Voice coil assemblies comprises centre pilot cover (6), at least Liang Ge magnetic conductive core column (7) and the voice coil loudspeaker voice coil (8) that is wound on each magnetic conductive core column (7) lateral wall, drive magnet (5) is provided with the storage tank (5.1) of accommodating Voice coil assemblies, axial location along storage tank (5.1) in storage tank (5.1) is fixed with a guide pillar (9), centre pilot cover (6) is slidably fitted on guide pillar (9), and one end of centre pilot cover (6) is connected with the other end of cone (2) is removable by the first connecting plate (10), the circumference of whole magnetic conductive core columns (7) centrally fairlead (6) axis is uniformly distributed, one end of magnetic conductive core column (7) and the first connecting plate (10) are fixed, the magnetic conduction sleeve (11) be slidably matched with the magnetic conductive core column (7) with voice coil loudspeaker voice coil (8) is provided with in storage tank (5.1), one end of magnetic conduction sleeve (11) and the first magnetic conductive board (3) are fixed.
2. a kind of coil-moving speaker according to claim 1, it is characterized in that: one end of described centre pilot cover (6) by the first connecting plate (10) with refer to the other end removable connection of cone (2), one end of centre pilot cover (6) and the first connecting plate (10) are fixed, and the other end of cone (2) is connected with the first connecting plate (10) is removable.
3. a kind of coil-moving speaker according to claim 2, it is characterized in that: between the other end of the first connecting plate (10) and cone (2), be provided with the second connecting plate (12), the other end of cone (2) and the second connecting plate (12) are fixed, bonding between the first connecting plate (10) and the second connecting plate (12).
4. a kind of coil-moving speaker according to claim 1, is characterized in that: described magnetic conductive core column (7) is four.
5. a kind of coil-moving speaker according to claim 1, it is characterized in that: connected by ring (13) between the osculum end (1.1) of the first connecting plate (10) and frame (1), and the opening of the osculum end (1.1) of the first connecting plate (10) and ring (13) sealing frame (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510612257.7A CN105163247B (en) | 2015-09-23 | 2015-09-23 | A kind of coil-moving speaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510612257.7A CN105163247B (en) | 2015-09-23 | 2015-09-23 | A kind of coil-moving speaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105163247A true CN105163247A (en) | 2015-12-16 |
| CN105163247B CN105163247B (en) | 2018-06-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510612257.7A Active CN105163247B (en) | 2015-09-23 | 2015-09-23 | A kind of coil-moving speaker |
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| Country | Link |
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| CN (1) | CN105163247B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113055793A (en) * | 2021-03-04 | 2021-06-29 | 嵊州市锦声电子有限公司 | Intelligent loudspeaker box cone and preparation process thereof |
| CN113660585A (en) * | 2021-08-20 | 2021-11-16 | 潍坊歌尔丹拿电子科技有限公司 | Speaker and electronic apparatus |
| CN114125605A (en) * | 2021-11-23 | 2022-03-01 | 安徽杰夫多媒体有限公司 | Ultrahigh frequency loudspeaker for household television |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2266243Y (en) * | 1996-06-13 | 1997-10-29 | 陈正宗 | Coaxial double-field double-voice coil loudspeaker |
| CN1418449A (en) * | 2001-02-13 | 2003-05-14 | 松下电器产业株式会社 | Speaker |
| US20040037446A1 (en) * | 2001-07-19 | 2004-02-26 | Akinori Hasegawa | Speaker and method of manufacturing the speaker |
| US20060233416A1 (en) * | 2005-04-18 | 2006-10-19 | Howze Bruce W | Loudspeaker including a cone circumscribed by a stiffener |
| JP2009094626A (en) * | 2007-10-04 | 2009-04-30 | Pioneer Electronic Corp | Magnetic circuit for loudspeaker and loudspeaker |
| CN102547537A (en) * | 2012-01-29 | 2012-07-04 | 邱向康 | Radiation device for moving coil speaker |
-
2015
- 2015-09-23 CN CN201510612257.7A patent/CN105163247B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2266243Y (en) * | 1996-06-13 | 1997-10-29 | 陈正宗 | Coaxial double-field double-voice coil loudspeaker |
| CN1418449A (en) * | 2001-02-13 | 2003-05-14 | 松下电器产业株式会社 | Speaker |
| US20040037446A1 (en) * | 2001-07-19 | 2004-02-26 | Akinori Hasegawa | Speaker and method of manufacturing the speaker |
| US20060233416A1 (en) * | 2005-04-18 | 2006-10-19 | Howze Bruce W | Loudspeaker including a cone circumscribed by a stiffener |
| JP2009094626A (en) * | 2007-10-04 | 2009-04-30 | Pioneer Electronic Corp | Magnetic circuit for loudspeaker and loudspeaker |
| CN102547537A (en) * | 2012-01-29 | 2012-07-04 | 邱向康 | Radiation device for moving coil speaker |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113055793A (en) * | 2021-03-04 | 2021-06-29 | 嵊州市锦声电子有限公司 | Intelligent loudspeaker box cone and preparation process thereof |
| CN113660585A (en) * | 2021-08-20 | 2021-11-16 | 潍坊歌尔丹拿电子科技有限公司 | Speaker and electronic apparatus |
| CN113660585B (en) * | 2021-08-20 | 2024-04-30 | 潍坊歌尔丹拿电子科技有限公司 | Speaker and electronic device |
| CN114125605A (en) * | 2021-11-23 | 2022-03-01 | 安徽杰夫多媒体有限公司 | Ultrahigh frequency loudspeaker for household television |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105163247B (en) | 2018-06-05 |
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Inventor after: Yan Jun Inventor after: Zhang Yi Inventor before: Li Ziquan |
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| CB03 | Change of inventor or designer information |