CN104038875A - Loudspeaker - Google Patents
Loudspeaker Download PDFInfo
- Publication number
- CN104038875A CN104038875A CN201410309701.3A CN201410309701A CN104038875A CN 104038875 A CN104038875 A CN 104038875A CN 201410309701 A CN201410309701 A CN 201410309701A CN 104038875 A CN104038875 A CN 104038875A
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- voice coil
- loudspeaker
- iron
- positioning body
- circuit system
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- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The invention provides a loudspeaker which comprises a basin stand, a magnetic circuit system installed on the basin stand, a voice coil, a voice basin and a damper, wherein the voice coil is installed in a magnetic field of the magnetic circuit system, the voice basin is connected with the voice coil, and the damper is used for positioning the voice coil. The damper is arranged at the inner diameter position of the voice coil. According to the loudspeaker, the damper is arranged at the inner diameter position of the voice coil, when the inner diameter of the voice coil is increased, namely the power handling of the loudspeaker is increased, the elastic movement space of the damper is enlarged, so that the voice coil and the voice basin have good linear working characteristics, non-linear distortion of voice basin movement is reduced, and the loudspeaker has the working performance of high efficiency and high fidelity.
Description
Technical field
The present invention relates to stereo set technical field, relate in particular to a kind of loudspeaker.
Background technology
Loudspeaker are a kind of energy transducers that the signal of telecommunication are transformed into acoustical signal.When different electron energies reaches voice coil loudspeaker voice coil, voice coil loudspeaker voice coil produces the magnetic field interaction of a kind of energy and magnet, this interaction causes the vibration of sound basin, because electron energy changes at any time, the voice coil loudspeaker voice coil of loudspeaker can move forward or backward, therefore the sound basin of loudspeaker will and then move, and these actions make the density degree of air change and produce sound.
Existing loudspeaker, in order to allow sound basin produce front and back piston type motion, play ripple in the outside employing of voice coil loudspeaker voice coil and fix.The Main Function that plays ripple is that voice coil loudspeaker voice coil is in axial direction reciprocating motion of vibrational system when stressed in order to keep the tram of voice coil loudspeaker voice coil in magnetic gap.When small-bore loudspeaker, want to obtain larger while bearing power, voice coil diameter can increase, but brought when increasing, plays the problem that ripple reduces elasticity activity space, makes to play ripple elastic-restoring force poor, and endurance not has seriously limited the motion state of voice coil loudspeaker voice coil.Also exist, when the large dynamic operation of loudspeaker unit, owing to being subject to the limited bullet fluctuation state restraining function of area, paper cone for loudspeaker amplitude is limited, easily causes the nonlinear distortion of sound basin piston movement.
Summary of the invention
The object of the present invention is to provide a kind of loudspeaker, when increase loudspeaker bear power, the same elasticity activity space that plays ripple that increases, reduces the movement limit of voice coil loudspeaker voice coil, thereby reduces the nonlinear distortion that sound basin moves.
For achieving the above object, the invention provides a kind of loudspeaker, comprise basin frame, be installed on magnetic circuit system on basin frame, be installed on the voice coil loudspeaker voice coil in the magnetic field of magnetic circuit system, the sound basin being connected with voice coil loudspeaker voice coil and for locating the bullet ripple of voice coil loudspeaker voice coil, described bullet ripple is located at the inner radius of described voice coil loudspeaker voice coil.
Further, described loudspeaker also comprise a positioning body, and this positioning body connects respectively described bullet ripple and described magnetic circuit system.
Further, described positioning body is a telescoping tube.
Further, described telescoping tube is V-type bellows.
Further, described bullet ripple is a corrugated annulus, and its outward flange is connected to the inner radius of described voice coil loudspeaker voice coil, and inner edges or bottom surface connect described positioning body.
Further, described bullet ripple is a surface plate, and its outward flange is connected to the inner radius of described voice coil loudspeaker voice coil, and its bottom surface connects described positioning body.
Further, described voice coil loudspeaker voice coil comprises the skeleton of tubular and is wrapped on this skeleton and is positioned at the coil of skeleton lower end, and described bullet ripple is located at the inner radius of the skeleton of voice coil loudspeaker voice coil.
Further, described magnetic circuit system comprises T iron and is stacked and placed on successively magnet and the pad on T iron; Described positioning body is connected with the T iron of magnetic circuit system.
Further, described T iron comprises base plate and by base plate center, extended upward the iron prop forming, and ringwise, ringwise, described iron prop is successively through described magnet and described pad for described pad for described magnet, and described positioning body is connected with the iron prop of T iron.
Further, the inwall of described magnet is, form annular magnetic gap between the outer wall of the iron prop of the inwall of pad and T iron.
Beneficial effect of the present invention: loudspeaker of the present invention, bullet ripple is arranged to the inner radius of voice coil loudspeaker voice coil, when increase voice coil loudspeaker voice coil internal diameter increase loudspeaker bear power time, play the elasticity activity space of ripple also along with increase, make voice coil loudspeaker voice coil and sound basin there is good linear working characteristic, the nonlinear distortion that has reduced the motion of sound basin, makes loudspeaker have the service behaviour of high efficiency, high-fidelity.
Accompanying drawing explanation
Fig. 1 is the cross-sectional view of the preferred embodiment of loudspeaker of the present invention;
Fig. 2 is the cross-sectional view of another embodiment of loudspeaker of the present invention.
Embodiment
Below in conjunction with accompanying drawing, describe mechanism of the present invention and operation principle in detail.For better explanation the present embodiment, some parts of accompanying drawing have omission, zoom in or out, and do not represent the size of actual product; To those skilled in the art, in accompanying drawing some known configurations and explanation thereof may to omit be understandable.The corresponding same or analogous parts of same or analogous label.
Refer to shown in Fig. 1, the invention provides a kind of loudspeaker, comprise basin frame 1, be installed on the magnetic circuit system on basin frame 1, be installed on the voice coil loudspeaker voice coil 2 in the magnetic field of magnetic circuit system, the sound basin 3 being connected with voice coil loudspeaker voice coil 2, for locating the bullet ripple 4 of voice coil loudspeaker voice coil 2, this bullet ripple 4 is located at the inner radius of voice coil loudspeaker voice coil 2, thereby can in the situation that loudspeaker bore is constant, increase the internal diameter of voice coil loudspeaker voice coil 2, thereby increased the power that bears of loudspeaker, owing to playing ripple 4, be located at voice coil loudspeaker voice coil 2 inner radius, when increasing the internal diameter of voice coil loudspeaker voice coil 2, also increased the elasticity activity space that plays ripple 4, make to play ripple 4 and there is stronger elastic-restoring force, endurance, guarantee that voice coil loudspeaker voice coil 2 has good linear movement, especially voice coil loudspeaker voice coil 2 is limited less when large dynamic operation, sound basin 3 amplitudes limited also little, reduced the nonlinear distortion of sound basin 3 motions, make loudspeaker there is high-fidelity characteristic.
Further, described loudspeaker also comprise a positioning body 5, and this positioning body 5 connects respectively described bullet ripple 4 and described magnetic circuit system, make with play voice coil loudspeaker voice coil 2 that ripple 4 is connected and be positioned the magnetic field of magnetic circuit system in appropriate position.Described positioning body 5 can be column, square body or other arbitrary shape, can be fixed on magnetic circuit system playing ripple 4.
Described bullet ripple 4 is a corrugated annulus, and its outward flange is connected to the inner radius of described voice coil loudspeaker voice coil 2, and inner edges connects described positioning body 5.Described bullet ripple 4 can also be a flat board, and its outward flange is connected to the inner radius of described voice coil loudspeaker voice coil 2, and its bottom surface connects described positioning body 5.
Described magnetic circuit system forms gap magnetic field, to drive voice coil loudspeaker voice coil 2 motions, drives 3 vibrations of sound basin, thereby sound by voice coil loudspeaker voice coil 2.Described magnetic circuit system comprises T iron 6 and is stacked and placed on successively magnet 7 and the pad 8 on T iron 6.This T iron 6 comprises base plate 61 and by base plate 61 centers, is extended upward the iron prop 62 forming.Ringwise, ringwise, described iron prop 62 is successively through described magnet 7 and described pad 8 for described pad 8 for described magnet 7.Between the outer wall of the iron prop 62 of the inwall of the inwall of described magnet 7, pad 8 and T iron 6, form annular magnetic gap 786.Described positioning body 5 is connected with the T iron 6 of magnetic circuit system, and further, this positioning body 5 is connected with the iron prop 62 of T iron 6, and voice coil loudspeaker voice coil 2 is limited in to the interior motion of magnetic gap 786.
Described voice coil loudspeaker voice coil 2 comprises the skeleton 21 of tubular and is wrapped on this skeleton 21 and is positioned at the coil 22 of skeleton 21 lower ends.Described bullet ripple 4 is located at the inner radius of the skeleton 21 of voice coil loudspeaker voice coil 2, and further, this bullet ripple 4 is located at the inner radius of the upper end (away from coil 22 one end) of skeleton 21.Described voice coil loudspeaker voice coil 2 is sheathed on the iron prop 62 of described T iron 6, and the coil 22 of this voice coil loudspeaker voice coil 2 stretches in described magnetic gap 786, AC signal is provided to iron prop 62, will make voice coil loudspeaker voice coil 2 produce in the axial direction motive force, promotes 3 motions of sound basin and sounds.Described bullet ripple 4 has limited the position of voice coil loudspeaker voice coil 2 in magnetic gap 786, guarantee that voice coil loudspeaker voice coil 2 can vertical vibration in magnetic gap 786, i.e. lower motion in the axial direction, and limiting in the radial direction moving left and right of voice coil loudspeaker voice coil 2, voice coil loudspeaker voice coil 2 is not contacted with magnet 7, pad 8 and T iron 6, guarantee the stable of tonequality.
Described sound basin 3 is roughly infundibulate, and its edge of large mouthful is fixed on basin frame 1 by R limit, and the edge of its osculum is fixed on voice coil loudspeaker voice coil 2, is specifically fixed on the skeleton 21 of voice coil loudspeaker voice coil 2.
Further, described loudspeaker also comprise dust cap 9, and this dust cap 9 is located at the center of sound basin 3, and are positioned at the top of voice coil loudspeaker voice coil 2, prevent that dust from entering magnetic gap 786 on the one hand, on the other hand the high frequency response tool of loudspeaker are had certain effect.
In addition, the shape of described basin frame 1 can design as required, as peviform, the shape such as bowl-shape, stepped.Described basin frame 1 open side be also provided with a flanging 10, to limit the movement position of sound basin 3, guarantee that sound basin 3 moves up and down better.Described flanging 10 can adopt paper or plastic or other material to make.On described basin frame 1, be also provided with the lead terminal (not shown) of the coil 22 that is electrically connected voice coil loudspeaker voice coil 2, in order to connect power supply to coil 22 power supplies.This lead terminal is located at the outside of basin frame 1, is convenient to connect.
Refer to shown in Fig. 2, in another embodiment, described positioning body 5 is a telescoping tube 5 ', this telescoping tube 5 ' connects respectively described bullet ripple 4 and described magnetic circuit system, thereby the restriction to the linear movement of voice coil loudspeaker voice coil 2 is less, preferred, this telescoping tube 5 ' is V-type bellows, retractility is better, less on the linear movement impact of voice coil loudspeaker voice coil 2.
In sum, loudspeaker of the present invention, bullet ripple is arranged to the inner radius of voice coil loudspeaker voice coil, when increase voice coil loudspeaker voice coil internal diameter increase loudspeaker bear power time, play the elasticity activity space of ripple also along with increase, make voice coil loudspeaker voice coil and sound basin there is good linear working characteristic, reduced the nonlinear distortion of sound basin motion, make loudspeaker there is the service behaviour of high efficiency, high-fidelity.
Obviously, the above embodiment of the present invention is only for example of the present invention is clearly described, and is not the restriction to embodiments of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without also giving all execution modes.All any modifications of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in the protection range of the claims in the present invention.
Claims (10)
1. loudspeaker, comprise basin frame, are installed on magnetic circuit system on basin frame, are installed on the voice coil loudspeaker voice coil in the magnetic field of magnetic circuit system, the sound basin being connected with voice coil loudspeaker voice coil and for locating the bullet ripple of voice coil loudspeaker voice coil, it is characterized in that, described bullet ripple is located at the inner radius of described voice coil loudspeaker voice coil.
2. loudspeaker as claimed in claim 1, is characterized in that, described loudspeaker also comprise a positioning body, and this positioning body connects respectively described bullet ripple and described magnetic circuit system.
3. loudspeaker as claimed in claim 2, is characterized in that, described positioning body is a telescoping tube.
4. loudspeaker as claimed in claim 3, is characterized in that, described telescoping tube is V-type bellows.
5. loudspeaker as claimed in claim 2 or claim 3, is characterized in that, described bullet ripple is a corrugated annulus, and its outward flange is connected to the inner radius of described voice coil loudspeaker voice coil, and inner edges or bottom surface connect described positioning body.
6. loudspeaker as claimed in claim 2 or claim 3, is characterized in that, described bullet ripple is a surface plate, and its outward flange is connected to the inner radius of described voice coil loudspeaker voice coil, and its bottom surface connects described positioning body.
7. loudspeaker as claimed in claim 1, is characterized in that, described voice coil loudspeaker voice coil comprises the skeleton of tubular and be wrapped on this skeleton and be positioned at the coil of skeleton lower end, and described bullet ripple is located at the inner radius of the skeleton of voice coil loudspeaker voice coil.
8. loudspeaker as claimed in claim 2 or claim 3, is characterized in that, described magnetic circuit system comprises T iron and is stacked and placed on successively magnet and the pad on T iron; Described positioning body is connected with the T iron of magnetic circuit system.
9. loudspeaker as claimed in claim 8, is characterized in that, described T iron comprises base plate and by base plate center, extended upward the iron prop forming, described magnet ringwise, ringwise, described iron prop is successively through described magnet and described pad for described pad, and described positioning body is connected with the iron prop of T iron.
10. loudspeaker as claimed in claim 9, is characterized in that, between the outer wall of the iron prop of the inwall of described magnet, the inwall of pad and T iron, form annular magnetic gap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410309701.3A CN104038875A (en) | 2014-07-02 | 2014-07-02 | Loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410309701.3A CN104038875A (en) | 2014-07-02 | 2014-07-02 | Loudspeaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104038875A true CN104038875A (en) | 2014-09-10 |
Family
ID=51469439
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410309701.3A Pending CN104038875A (en) | 2014-07-02 | 2014-07-02 | Loudspeaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104038875A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109951774A (en) * | 2019-03-29 | 2019-06-28 | 广州迪雅圣发电器有限公司 | A kind of vehicle-mounted loudspeaker voice coil position adjustment structure |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0835040A1 (en) * | 1992-03-31 | 1998-04-08 | Kabushiki Kaisha Kenwood | Loudspeaker |
| CN201750540U (en) * | 2010-07-26 | 2011-02-16 | 天津中环真美音响科技有限公司 | Woofer |
| CN102238460A (en) * | 2010-04-30 | 2011-11-09 | 张志中 | Loudspeaker with built-in spider structure |
| CN203243516U (en) * | 2013-04-10 | 2013-10-16 | 梁成义 | Linear push-pull magnetic-circuit electronic loudspeaker |
| CN203912179U (en) * | 2014-07-02 | 2014-10-29 | 陈坚胜 | Loudspeaker |
-
2014
- 2014-07-02 CN CN201410309701.3A patent/CN104038875A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0835040A1 (en) * | 1992-03-31 | 1998-04-08 | Kabushiki Kaisha Kenwood | Loudspeaker |
| CN102238460A (en) * | 2010-04-30 | 2011-11-09 | 张志中 | Loudspeaker with built-in spider structure |
| CN201750540U (en) * | 2010-07-26 | 2011-02-16 | 天津中环真美音响科技有限公司 | Woofer |
| CN203243516U (en) * | 2013-04-10 | 2013-10-16 | 梁成义 | Linear push-pull magnetic-circuit electronic loudspeaker |
| CN203912179U (en) * | 2014-07-02 | 2014-10-29 | 陈坚胜 | Loudspeaker |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109951774A (en) * | 2019-03-29 | 2019-06-28 | 广州迪雅圣发电器有限公司 | A kind of vehicle-mounted loudspeaker voice coil position adjustment structure |
| CN109951774B (en) * | 2019-03-29 | 2024-03-29 | 广州迪雅圣发电器有限公司 | Voice coil position adjusting structure of vehicle-mounted loudspeaker |
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Application publication date: 20140910 |
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| RJ01 | Rejection of invention patent application after publication |